diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 5267b02..2e0c95a 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -181,6 +181,8 @@
     chmod 0666 /sys/kernel/tracing/events/clk/clk_enable/enable
     chmod 0666 /sys/kernel/debug/tracing/events/clk/clk_set_rate/enable
     chmod 0666 /sys/kernel/tracing/events/clk/clk_set_rate/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/printk/console/enable
+    chmod 0666 /sys/kernel/tracing/events/printk/console/enable
 
     # disk
     chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_get_data_block/enable
@@ -298,6 +300,12 @@
     chmod 0666 /sys/kernel/debug/tracing/events/kmem/rss_stat/trigger
     chmod 0666 /sys/kernel/tracing/events/kmem/rss_stat/trigger
 
+on late-init && property:ro.boot.fastboot.boottrace=enabled
+    setprop debug.atrace.tags.enableflags 802922
+    setprop persist.traced.enable 0
+    write /sys/kernel/debug/tracing/tracing_on 1
+    write /sys/kernel/tracing/tracing_on 1
+
 # Only create the tracing instance if persist.mm_events.enabled
 # Attempting to remove the tracing instance after it has been created
 # will likely fail with EBUSY as it would be in use by traced_probes.
@@ -393,3 +401,10 @@
 service boottrace /system/bin/atrace --async_start -f /data/misc/boottrace/categories
     disabled
     oneshot
+
+on property:sys.boot_completed=1 && property:ro.boot.fastboot.boottrace=enabled
+    setprop debug.atrace.tags.enableflags 0
+    setprop persist.traced.enable 1
+    write /sys/kernel/debug/tracing/tracing_on 0
+    write /sys/kernel/tracing/tracing_on 0
+
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 6e9747f..60c2077 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -234,6 +234,7 @@
 // task and the log title of the duration report.
 static const std::string DUMP_TRACES_TASK = "DUMP TRACES";
 static const std::string DUMP_INCIDENT_REPORT_TASK = "INCIDENT REPORT";
+static const std::string DUMP_NETSTATS_PROTO_TASK = "DUMP NETSTATS PROTO";
 static const std::string DUMP_HALS_TASK = "DUMP HALS";
 static const std::string DUMP_BOARD_TASK = "dumpstate_board()";
 static const std::string DUMP_CHECKINS_TASK = "DUMP CHECKINS";
@@ -1041,6 +1042,26 @@
     }
 }
 
+static void DumpNetstatsProto() {
+    const std::string path = ds.bugreport_internal_dir_ + "/tmp_netstats_proto";
+    auto fd = android::base::unique_fd(TEMP_FAILURE_RETRY(open(path.c_str(),
+                O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW,
+                S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)));
+    if (fd < 0) {
+        MYLOGE("Could not open %s to dump netstats proto.\n", path.c_str());
+        return;
+    }
+    RunCommandToFd(fd, "", {"dumpsys", "netstats", "--proto"},
+            CommandOptions::WithTimeout(5).Build());
+    bool empty = 0 == lseek(fd, 0, SEEK_END);
+    if (!empty) {
+        ds.EnqueueAddZipEntryAndCleanupIfNeeded(kProtoPath + "netstats" + kProtoExt,
+                path);
+    } else {
+        unlink(path.c_str());
+    }
+}
+
 static void MaybeAddSystemTraceToZip() {
     // This function copies into the .zip the system trace that was snapshotted
     // by the early call to MaybeSnapshotSystemTrace(), if any background
@@ -1576,7 +1597,8 @@
     DurationReporter duration_reporter("DUMPSTATE");
 
     // Enqueue slow functions into the thread pool, if the parallel run is enabled.
-    std::future<std::string> dump_hals, dump_incident_report, dump_board, dump_checkins;
+    std::future<std::string> dump_hals, dump_incident_report, dump_board, dump_checkins,
+            dump_netstats_report;
     if (ds.dump_pool_) {
         // Pool was shutdown in DumpstateDefaultAfterCritical method in order to
         // drop root user. Restarts it with two threads for the parallel run.
@@ -1585,6 +1607,8 @@
         dump_hals = ds.dump_pool_->enqueueTaskWithFd(DUMP_HALS_TASK, &DumpHals, _1);
         dump_incident_report = ds.dump_pool_->enqueueTask(
             DUMP_INCIDENT_REPORT_TASK, &DumpIncidentReport);
+        dump_netstats_report = ds.dump_pool_->enqueueTask(
+            DUMP_NETSTATS_PROTO_TASK, &DumpNetstatsProto);
         dump_board = ds.dump_pool_->enqueueTaskWithFd(
             DUMP_BOARD_TASK, &Dumpstate::DumpstateBoard, &ds, _1);
         dump_checkins = ds.dump_pool_->enqueueTaskWithFd(DUMP_CHECKINS_TASK, &DumpCheckins, _1);
@@ -1783,6 +1807,13 @@
     dump_frozen_cgroupfs();
 
     if (ds.dump_pool_) {
+        WAIT_TASK_WITH_CONSENT_CHECK(std::move(dump_netstats_report));
+    } else {
+        RUN_SLOW_FUNCTION_WITH_CONSENT_CHECK_AND_LOG(DUMP_NETSTATS_PROTO_TASK,
+                DumpNetstatsProto);
+    }
+
+    if (ds.dump_pool_) {
         WAIT_TASK_WITH_CONSENT_CHECK(std::move(dump_incident_report));
     } else {
         RUN_SLOW_FUNCTION_WITH_CONSENT_CHECK_AND_LOG(DUMP_INCIDENT_REPORT_TASK,
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index faf67fd..b1283eb 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -99,6 +99,8 @@
 
 static constexpr const char* kDataMirrorCePath = "/data_mirror/data_ce";
 static constexpr const char* kDataMirrorDePath = "/data_mirror/data_de";
+static constexpr const char* kMiscMirrorCePath = "/data_mirror/misc_ce";
+static constexpr const char* kMiscMirrorDePath = "/data_mirror/misc_de";
 
 static constexpr const int MIN_RESTRICTED_HOME_SDK_VERSION = 24; // > M
 
@@ -3558,16 +3560,28 @@
 
     std::string mirrorVolCePath(StringPrintf("%s/%s", kDataMirrorCePath, uuid_));
     if (fs_prepare_dir(mirrorVolCePath.c_str(), 0711, AID_SYSTEM, AID_SYSTEM) != 0) {
-        return error("Failed to create CE mirror");
+        return error("Failed to create CE data mirror");
     }
 
     std::string mirrorVolDePath(StringPrintf("%s/%s", kDataMirrorDePath, uuid_));
     if (fs_prepare_dir(mirrorVolDePath.c_str(), 0711, AID_SYSTEM, AID_SYSTEM) != 0) {
-        return error("Failed to create DE mirror");
+        return error("Failed to create DE data mirror");
+    }
+
+    std::string mirrorVolMiscCePath(StringPrintf("%s/%s", kMiscMirrorCePath, uuid_));
+    if (fs_prepare_dir(mirrorVolMiscCePath.c_str(), 0711, AID_SYSTEM, AID_SYSTEM) != 0) {
+        return error("Failed to create CE misc mirror");
+    }
+
+    std::string mirrorVolMiscDePath(StringPrintf("%s/%s", kMiscMirrorDePath, uuid_));
+    if (fs_prepare_dir(mirrorVolMiscDePath.c_str(), 0711, AID_SYSTEM, AID_SYSTEM) != 0) {
+        return error("Failed to create DE misc mirror");
     }
 
     auto cePath = StringPrintf("%s/user", create_data_path(uuid_).c_str());
     auto dePath = StringPrintf("%s/user_de", create_data_path(uuid_).c_str());
+    auto miscCePath = StringPrintf("%s/misc_ce", create_data_path(uuid_).c_str());
+    auto miscDePath = StringPrintf("%s/misc_de", create_data_path(uuid_).c_str());
 
     if (access(cePath.c_str(), F_OK) != 0) {
         return error("Cannot access CE path: " + cePath);
@@ -3575,6 +3589,12 @@
     if (access(dePath.c_str(), F_OK) != 0) {
         return error("Cannot access DE path: " + dePath);
     }
+    if (access(miscCePath.c_str(), F_OK) != 0) {
+        return error("Cannot access misc CE path: " + cePath);
+    }
+    if (access(miscDePath.c_str(), F_OK) != 0) {
+        return error("Cannot access misc DE path: " + dePath);
+    }
 
     struct stat ceStat, mirrorCeStat;
     if (stat(cePath.c_str(), &ceStat) != 0) {
@@ -3602,6 +3622,21 @@
             MS_NOSUID | MS_NODEV | MS_NOATIME | MS_BIND | MS_NOEXEC, nullptr)) == -1) {
         return error("Failed to mount " + mirrorVolDePath);
     }
+
+    // Mount misc CE mirror
+    if (TEMP_FAILURE_RETRY(mount(miscCePath.c_str(), mirrorVolMiscCePath.c_str(), NULL,
+                                 MS_NOSUID | MS_NODEV | MS_NOATIME | MS_BIND | MS_NOEXEC,
+                                 nullptr)) == -1) {
+        return error("Failed to mount " + mirrorVolMiscCePath);
+    }
+
+    // Mount misc DE mirror
+    if (TEMP_FAILURE_RETRY(mount(miscDePath.c_str(), mirrorVolMiscDePath.c_str(), NULL,
+                                 MS_NOSUID | MS_NODEV | MS_NOATIME | MS_BIND | MS_NOEXEC,
+                                 nullptr)) == -1) {
+        return error("Failed to mount " + mirrorVolMiscDePath);
+    }
+
     return ok();
 }
 
@@ -3624,6 +3659,8 @@
 
     std::string mirrorCeVolPath(StringPrintf("%s/%s", kDataMirrorCePath, uuid_));
     std::string mirrorDeVolPath(StringPrintf("%s/%s", kDataMirrorDePath, uuid_));
+    std::string mirrorMiscCeVolPath(StringPrintf("%s/%s", kMiscMirrorCePath, uuid_));
+    std::string mirrorMiscDeVolPath(StringPrintf("%s/%s", kMiscMirrorDePath, uuid_));
 
     std::lock_guard<std::recursive_mutex> lock(mMountsLock);
 
@@ -3648,6 +3685,29 @@
     if (delete_dir_contents_and_dir(mirrorDeVolPath, true) != 0) {
         res = error("Failed to delete " + mirrorDeVolPath);
     }
+
+    // Unmount misc CE storage
+    if (TEMP_FAILURE_RETRY(umount(mirrorMiscCeVolPath.c_str())) != 0) {
+        if (errno != ENOENT) {
+            res = error(StringPrintf("Failed to umount %s %s", mirrorMiscCeVolPath.c_str(),
+                                     strerror(errno)));
+        }
+    }
+    if (delete_dir_contents_and_dir(mirrorMiscCeVolPath, true) != 0) {
+        res = error("Failed to delete " + mirrorMiscCeVolPath);
+    }
+
+    // Unmount misc DE storage
+    if (TEMP_FAILURE_RETRY(umount(mirrorMiscDeVolPath.c_str())) != 0) {
+        if (errno != ENOENT) {
+            res = error(StringPrintf("Failed to umount %s %s", mirrorMiscDeVolPath.c_str(),
+                                     strerror(errno)));
+        }
+    }
+    if (delete_dir_contents_and_dir(mirrorMiscDeVolPath, true) != 0) {
+        res = error("Failed to delete " + mirrorMiscDeVolPath);
+    }
+
     return res;
 }
 
diff --git a/cmds/surfacereplayer/replayer/Replayer.cpp b/cmds/surfacereplayer/replayer/Replayer.cpp
index 3f7c7d6..44235cc 100644
--- a/cmds/surfacereplayer/replayer/Replayer.cpp
+++ b/cmds/surfacereplayer/replayer/Replayer.cpp
@@ -464,7 +464,6 @@
 void Replayer::setSize(SurfaceComposerClient::Transaction& t,
         layer_id id, const SizeChange& sc) {
     ALOGV("Layer %d: Setting Size -- w=%u, h=%u", id, sc.w(), sc.h());
-    t.setSize(mLayers[id], sc.w(), sc.h());
 }
 
 void Replayer::setLayer(SurfaceComposerClient::Transaction& t,
diff --git a/data/etc/android.hardware.type.automotive.xml b/data/etc/android.hardware.type.automotive.xml
index 113945b..a9b4b05 100644
--- a/data/etc/android.hardware.type.automotive.xml
+++ b/data/etc/android.hardware.type.automotive.xml
@@ -17,6 +17,4 @@
 <!-- These features determine that the device running android is a car. -->
 <permissions>
     <feature name="android.hardware.type.automotive" />
-    <!-- TODO: Revert this after enabling work profiles refer b/170332519 -->
-    <unavailable-feature name="android.software.managed_users"/>
 </permissions>
diff --git a/data/etc/android.software.credentials.xml b/data/etc/android.software.credentials.xml
new file mode 100644
index 0000000..234d144
--- /dev/null
+++ b/data/etc/android.software.credentials.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2022 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <feature name="android.software.credentials" />
+</permissions>
diff --git a/data/etc/handheld_core_hardware.xml b/data/etc/handheld_core_hardware.xml
index 8fdd8d0..0833012 100644
--- a/data/etc/handheld_core_hardware.xml
+++ b/data/etc/handheld_core_hardware.xml
@@ -52,6 +52,7 @@
     <feature name="android.software.print" />
     <feature name="android.software.companion_device_setup" />
     <feature name="android.software.autofill" />
+    <feature name="android.software.credentials" />
     <feature name="android.software.cant_save_state" />
     <feature name="android.software.secure_lock_screen" />
     <feature name="android.software.window_magnification" />
diff --git a/data/etc/tablet_core_hardware.xml b/data/etc/tablet_core_hardware.xml
index 59d5b10..6af4d91 100644
--- a/data/etc/tablet_core_hardware.xml
+++ b/data/etc/tablet_core_hardware.xml
@@ -52,6 +52,7 @@
     <feature name="android.software.print" />
     <feature name="android.software.companion_device_setup" />
     <feature name="android.software.autofill" />
+    <feature name="android.software.credentials" />
     <feature name="android.software.cant_save_state" />
     <feature name="android.software.secure_lock_screen" />
     <feature name="android.software.window_magnification" />
diff --git a/include/android/input.h b/include/android/input.h
index 38b27bc..7080386 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -54,7 +54,14 @@
 #include <stdint.h>
 #include <sys/types.h>
 #include <android/keycodes.h>
+
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
+
 #include <jni.h>
 
 #if !defined(__INTRODUCED_IN)
@@ -833,6 +840,12 @@
      * This classification type should be used to accelerate the long press behaviour.
      */
     AMOTION_EVENT_CLASSIFICATION_DEEP_PRESS = 2,
+    /**
+     * Classification constant: touchpad two-finger swipe.
+     *
+     * The current event stream represents the user swiping with two fingers on a touchpad.
+     */
+    AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE = 3,
 };
 
 /**
diff --git a/include/android/keycodes.h b/include/android/keycodes.h
index 214559d..e5b5db2 100644
--- a/include/android/keycodes.h
+++ b/include/android/keycodes.h
@@ -776,7 +776,59 @@
     AKEYCODE_THUMBS_DOWN = 287,
     /** Used to switch current account that is consuming content.
      * May be consumed by system to switch current viewer profile. */
-    AKEYCODE_PROFILE_SWITCH = 288
+    AKEYCODE_PROFILE_SWITCH = 288,
+    /** Video Application key #1. */
+    AKEYCODE_VIDEO_APP_1 = 289,
+    /** Video Application key #2. */
+    AKEYCODE_VIDEO_APP_2 = 290,
+    /** Video Application key #3. */
+    AKEYCODE_VIDEO_APP_3 = 291,
+    /** Video Application key #4. */
+    AKEYCODE_VIDEO_APP_4 = 292,
+    /** Video Application key #5. */
+    AKEYCODE_VIDEO_APP_5 = 293,
+    /** Video Application key #6. */
+    AKEYCODE_VIDEO_APP_6 = 294,
+    /** Video Application key #7. */
+    AKEYCODE_VIDEO_APP_7 = 295,
+    /** Video Application key #8. */
+    AKEYCODE_VIDEO_APP_8 = 296,
+    /** Featured Application key #1. */
+    AKEYCODE_FEATURED_APP_1 = 297,
+    /** Featured Application key #2. */
+    AKEYCODE_FEATURED_APP_2 = 298,
+    /** Featured Application key #3. */
+    AKEYCODE_FEATURED_APP_3 = 299,
+    /** Featured Application key #4. */
+    AKEYCODE_FEATURED_APP_4 = 300,
+    /** Demo Application key #1. */
+    AKEYCODE_DEMO_APP_1 = 301,
+    /** Demo Application key #2. */
+    AKEYCODE_DEMO_APP_2 = 302,
+    /** Demo Application key #3. */
+    AKEYCODE_DEMO_APP_3 = 303,
+    /** Demo Application key #4. */
+    AKEYCODE_DEMO_APP_4 = 304,
+    /** Keyboard backlight Down key.
+     * Adjusts the keyboard backlight brightness down. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_DOWN = 305,
+    /** Keyboard backlight Up key.
+     * Adjusts the keyboard backlight brightness up. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_UP = 306,
+    /** Keyboard backlight Toggle key.
+     * Toggles the keyboard backlight on/off. */
+    AKEYCODE_KEYBOARD_BACKLIGHT_TOGGLE = 307,
+    /** The primary button on the barrel of a stylus.
+     * This is usually the button closest to the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_PRIMARY = 308,
+    /** The secondary button on the barrel of a stylus.
+     * This is usually the second button from the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_SECONDARY = 309,
+    /** The tertiary button on the barrel of a stylus.
+     * This is usually the third button from the tip of the stylus. */
+    AKEYCODE_STYLUS_BUTTON_TERTIARY = 310,
+    /** A button on the tail end of a stylus. */
+    AKEYCODE_STYLUS_BUTTON_TAIL = 311,
 
     // NOTE: If you add a new keycode here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
diff --git a/include/android/looper.h b/include/android/looper.h
index 718f703..4fe142a 100644
--- a/include/android/looper.h
+++ b/include/android/looper.h
@@ -201,8 +201,11 @@
  * Like ALooper_pollOnce(), but performs all pending callbacks until all
  * data has been consumed or a file descriptor is available with no callback.
  * This function will never return ALOOPER_POLL_CALLBACK.
+ *
+ * Removed in API 34 as ALooper_pollAll can swallow ALooper_wake calls.
+ * Use ALooper_pollOnce instead.
  */
-int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData);
+int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData) __REMOVED_IN(1);
 
 /**
  * Wakes the poll asynchronously.
diff --git a/include/android/sensor.h b/include/android/sensor.h
index eef69f4..105f952 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -45,6 +45,11 @@
  *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
  */
 
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
 
 #include <stdbool.h>
diff --git a/include/android/surface_control.h b/include/android/surface_control.h
index 6223ef7..f76e73d 100644
--- a/include/android/surface_control.h
+++ b/include/android/surface_control.h
@@ -545,6 +545,8 @@
  * You can register for changes in the refresh rate using
  * \a AChoreographer_registerRefreshRateCallback.
  *
+ * See ASurfaceTransaction_clearFrameRate().
+ *
  * \param frameRate is the intended frame rate of this surface, in frames per second. 0 is a special
  * value that indicates the app will accept the system's choice for the display frame rate, which is
  * the default behavior if this function isn't called. The frameRate param does <em>not</em> need to
@@ -568,6 +570,31 @@
                                       __INTRODUCED_IN(31);
 
 /**
+ * Clears the frame rate which is set for \a surface_control.
+ *
+ * This is equivalent to calling
+ * ASurfaceTransaction_setFrameRateWithChangeStrategy(
+ * transaction, 0, compatibility, changeFrameRateStrategy).
+ *
+ * Usage of this API won't directly affect the application's frame production pipeline. However,
+ * because the system may change the display refresh rate, calls to this function may result in
+ * changes to Choreographer callback timings, and changes to the time interval at which the system
+ * releases buffers back to the application.
+ *
+ * See ASurfaceTransaction_setFrameRateWithChangeStrategy()
+ *
+ * You can register for changes in the refresh rate using
+ * \a AChoreographer_registerRefreshRateCallback.
+ *
+ * See ASurfaceTransaction_setFrameRateWithChangeStrategy().
+ *
+ * Available since API level 34.
+ */
+void ASurfaceTransaction_clearFrameRate(ASurfaceTransaction* transaction,
+                                        ASurfaceControl* surface_control)
+                                        __INTRODUCED_IN(__ANDROID_API_U__);
+
+/**
  * Indicate whether to enable backpressure for buffer submission to a given SurfaceControl.
  *
  * By default backpressure is disabled, which means submitting a buffer prior to receiving
diff --git a/include/android/surface_control_jni.h b/include/android/surface_control_jni.h
new file mode 100644
index 0000000..67e3a9f
--- /dev/null
+++ b/include/android/surface_control_jni.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NativeActivity Native Activity
+ * @{
+ */
+
+/**
+ * @file surface_control_jni.h
+ */
+
+#ifndef ANDROID_SURFACE_CONTROL_JNI_H
+#define ANDROID_SURFACE_CONTROL_JNI_H
+
+#include <jni.h>
+#include <sys/cdefs.h>
+
+#include <android/surface_control.h>
+
+__BEGIN_DECLS
+
+/**
+ * Return the ASurfaceControl wrapped by a Java SurfaceControl object.
+ *
+ * This method does not acquire any additional reference to the ASurfaceControl
+ * that is returned. To keep the ASurfaceControl alive after the Java
+ * SurfaceControl object is closed, explicitly or by the garbage collector, be
+ * sure to use ASurfaceControl_acquire() to acquire an additional reference.
+ *
+ * Available since API level 34.
+ */
+ASurfaceControl* _Nullable ASurfaceControl_fromSurfaceControl(JNIEnv* _Nonnull env,
+        jobject _Nonnull surfaceControlObj) __INTRODUCED_IN(__ANDROID_API_U__);
+
+/**
+ * Return the ASurfaceTransaction wrapped by a Java Transaction object.
+ *
+ * The returned ASurfaceTransaction is still owned by the Java Transaction object is only
+ * valid while the Java Transaction object is alive. In particular, the returned transaction
+ * must NOT be deleted with ASurfaceTransaction_delete.
+ * May return nullptr on error.
+ *
+ * Available since API level 34.
+ */
+ASurfaceTransaction* _Nullable ASurfaceTransaction_fromTransaction(JNIEnv* _Nonnull env,
+        jobject _Nonnull transactionObj) __INTRODUCED_IN(__ANDROID_API_U__);
+
+__END_DECLS
+
+#endif // ANDROID_SURFACE_CONTROL_JNI_H
+/** @} */
diff --git a/include/audiomanager/AudioManager.h b/include/audiomanager/AudioManager.h
index 4aa2f60..6794fbf 100644
--- a/include/audiomanager/AudioManager.h
+++ b/include/audiomanager/AudioManager.h
@@ -38,8 +38,52 @@
     PLAYER_STATE_PAUSED   = 3,
     PLAYER_STATE_STOPPED  = 4,
     PLAYER_UPDATE_DEVICE_ID = 5,
+    PLAYER_UPDATE_PORT_ID = 6,
+    PLAYER_UPDATE_MUTED = 7,
 } player_state_t;
 
+static constexpr char
+    kExtraPlayerEventMuteKey[] = "android.media.extra.PLAYER_EVENT_MUTE";
+enum {
+    PLAYER_MUTE_MASTER = (1 << 0),
+    PLAYER_MUTE_STREAM_VOLUME = (1 << 1),
+    PLAYER_MUTE_STREAM_MUTED = (1 << 2),
+    PLAYER_MUTE_PLAYBACK_RESTRICTED = (1 << 3),
+    PLAYER_MUTE_CLIENT_VOLUME = (1 << 4),
+    PLAYER_MUTE_VOLUME_SHAPER = (1 << 5),
+};
+
+struct mute_state_t {
+    /** Flag used when the master volume is causing the mute state. */
+    bool muteFromMasterMute = false;
+    /** Flag used when the stream volume is causing the mute state. */
+    bool muteFromStreamVolume = false;
+    /** Flag used when the stream muted is causing the mute state. */
+    bool muteFromStreamMuted = false;
+    /** Flag used when playback is restricted by AppOps manager with OP_PLAY_AUDIO. */
+    bool muteFromPlaybackRestricted = false;
+    /** Flag used when audio track was muted by client volume. */
+    bool muteFromClientVolume = false;
+     /** Flag used when volume is muted by volume shaper. */
+    bool muteFromVolumeShaper = false;
+
+    explicit operator int() const
+    {
+        int result = muteFromMasterMute * PLAYER_MUTE_MASTER;
+        result |= muteFromStreamVolume * PLAYER_MUTE_STREAM_VOLUME;
+        result |= muteFromStreamMuted * PLAYER_MUTE_STREAM_MUTED;
+        result |= muteFromPlaybackRestricted * PLAYER_MUTE_PLAYBACK_RESTRICTED;
+        result |= muteFromClientVolume * PLAYER_MUTE_CLIENT_VOLUME;
+        result |= muteFromVolumeShaper * PLAYER_MUTE_VOLUME_SHAPER;
+        return result;
+    }
+
+    bool operator==(const mute_state_t& other) const
+    {
+        return static_cast<int>(*this) == static_cast<int>(other);
+    }
+};
+
 // must be kept in sync with definitions in AudioManager.java
 #define RECORD_RIID_INVALID -1
 
diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index 426e10c..769670e 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -17,8 +17,10 @@
 #ifndef ANDROID_IAUDIOMANAGER_H
 #define ANDROID_IAUDIOMANAGER_H
 
+#include <audiomanager/AudioManager.h>
 #include <utils/Errors.h>
 #include <binder/IInterface.h>
+#include <binder/PersistableBundle.h>
 #include <hardware/power.h>
 #include <system/audio.h>
 
@@ -40,6 +42,7 @@
         RECORDER_EVENT                        = IBinder::FIRST_CALL_TRANSACTION + 5,
         RELEASE_RECORDER                      = IBinder::FIRST_CALL_TRANSACTION + 6,
         PLAYER_SESSION_ID                     = IBinder::FIRST_CALL_TRANSACTION + 7,
+        PORT_EVENT                            = IBinder::FIRST_CALL_TRANSACTION + 8,
     };
 
     DECLARE_META_INTERFACE(AudioManager)
@@ -52,12 +55,14 @@
     /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, audio_usage_t usage,
                 audio_content_type_t content)= 0;
     /*oneway*/ virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event,
-                audio_port_handle_t deviceId) = 0;
+                audio_port_handle_t eventId) = 0;
     /*oneway*/ virtual status_t releasePlayer(audio_unique_id_t piid) = 0;
     virtual audio_unique_id_t trackRecorder(const sp<IBinder>& recorder) = 0;
     /*oneway*/ virtual status_t recorderEvent(audio_unique_id_t riid, recorder_state_t event) = 0;
     /*oneway*/ virtual status_t releaseRecorder(audio_unique_id_t riid) = 0;
     /*oneway*/ virtual status_t playerSessionId(audio_unique_id_t piid, audio_session_t sessionId) = 0;
+    /*oneway*/ virtual status_t portEvent(audio_port_handle_t portId, player_state_t event,
+                const std::unique_ptr<os::PersistableBundle>& extras) = 0;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/ftl/algorithm.h b/include/ftl/algorithm.h
new file mode 100644
index 0000000..c5ff03b
--- /dev/null
+++ b/include/ftl/algorithm.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <algorithm>
+#include <functional>
+#include <utility>
+
+#include <ftl/optional.h>
+
+namespace android::ftl {
+
+// Adapter for std::find_if that converts the return value from iterator to optional.
+//
+//   const ftl::StaticVector vector = {"upside"sv, "down"sv, "cake"sv};
+//   assert(ftl::find_if(vector, [](const auto& str) { return str.front() == 'c'; }) == "cake"sv);
+//
+template <typename Container, typename Predicate, typename V = typename Container::value_type>
+constexpr auto find_if(const Container& container, Predicate&& predicate)
+    -> Optional<std::reference_wrapper<const V>> {
+  const auto it = std::find_if(std::cbegin(container), std::cend(container),
+                               std::forward<Predicate>(predicate));
+  if (it == std::cend(container)) return {};
+  return std::cref(*it);
+}
+
+// Transformers for ftl::find_if on a map-like `Container` that contains key-value pairs.
+//
+//   const ftl::SmallMap map = ftl::init::map<int, ftl::StaticVector<std::string_view, 3>>(
+//       12, "snow"sv, "cone"sv)(13, "tiramisu"sv)(14, "upside"sv, "down"sv, "cake"sv);
+//
+//   using Map = decltype(map);
+//
+//   assert(14 == ftl::find_if(map, [](const auto& pair) {
+//                  return pair.second.size() == 3;
+//                }).transform(ftl::to_key<Map>));
+//
+//   const auto opt = ftl::find_if(map, [](const auto& pair) {
+//                      return pair.second.size() == 1;
+//                    }).transform(ftl::to_mapped_ref<Map>);
+//
+//   assert(opt);
+//   assert(opt->get() == ftl::StaticVector("tiramisu"sv));
+//
+template <typename Map, typename Pair = typename Map::value_type,
+          typename Key = typename Map::key_type>
+constexpr auto to_key(const Pair& pair) -> Key {
+  return pair.first;
+}
+
+template <typename Map, typename Pair = typename Map::value_type,
+          typename Mapped = typename Map::mapped_type>
+constexpr auto to_mapped_ref(const Pair& pair) -> std::reference_wrapper<const Mapped> {
+  return std::cref(pair.second);
+}
+
+}  // namespace android::ftl
diff --git a/include/ftl/details/match.h b/include/ftl/details/match.h
new file mode 100644
index 0000000..51b99d2
--- /dev/null
+++ b/include/ftl/details/match.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <type_traits>
+#include <variant>
+
+namespace android::ftl::details {
+
+template <typename... Ms>
+struct Matcher : Ms... {
+  using Ms::operator()...;
+};
+
+// Deduction guide.
+template <typename... Ms>
+Matcher(Ms...) -> Matcher<Ms...>;
+
+template <typename Matcher, typename... Ts>
+constexpr bool is_exhaustive_match_v = (std::is_invocable_v<Matcher, Ts> && ...);
+
+template <typename...>
+struct Match;
+
+template <typename T, typename U, typename... Ts>
+struct Match<T, U, Ts...> {
+  template <typename Variant, typename Matcher>
+  static decltype(auto) match(Variant& variant, const Matcher& matcher) {
+    if (auto* const ptr = std::get_if<T>(&variant)) {
+      return matcher(*ptr);
+    } else {
+      return Match<U, Ts...>::match(variant, matcher);
+    }
+  }
+};
+
+template <typename T>
+struct Match<T> {
+  template <typename Variant, typename Matcher>
+  static decltype(auto) match(Variant& variant, const Matcher& matcher) {
+    return matcher(std::get<T>(variant));
+  }
+};
+
+}  // namespace android::ftl::details
diff --git a/include/ftl/details/optional.h b/include/ftl/details/optional.h
new file mode 100644
index 0000000..bff7c1e
--- /dev/null
+++ b/include/ftl/details/optional.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <optional>
+
+#include <ftl/details/type_traits.h>
+
+namespace android::ftl {
+
+template <typename>
+struct Optional;
+
+namespace details {
+
+template <typename>
+struct is_optional : std::false_type {};
+
+template <typename T>
+struct is_optional<std::optional<T>> : std::true_type {};
+
+template <typename T>
+struct is_optional<Optional<T>> : std::true_type {};
+
+template <typename F, typename T>
+struct transform_result {
+  using type = Optional<std::remove_cv_t<std::invoke_result_t<F, T>>>;
+};
+
+template <typename F, typename T>
+using transform_result_t = typename transform_result<F, T>::type;
+
+template <typename F, typename T>
+struct and_then_result {
+  using type = remove_cvref_t<std::invoke_result_t<F, T>>;
+  static_assert(is_optional<type>{}, "and_then function must return an optional");
+};
+
+template <typename F, typename T>
+using and_then_result_t = typename and_then_result<F, T>::type;
+
+}  // namespace details
+}  // namespace android::ftl
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/include/ftl/details/type_traits.h
similarity index 63%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to include/ftl/details/type_traits.h
index 6929a6c..7092ec5 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/include/ftl/details/type_traits.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,14 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+#pragma once
 
-import android.content.pm.PackageChangeEvent;
+#include <type_traits>
 
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
-}
+namespace android::ftl::details {
+
+// TODO: Replace with std::remove_cvref_t in C++20.
+template <typename U>
+using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
+
+}  // namespace android::ftl::details
diff --git a/include/ftl/match.h b/include/ftl/match.h
new file mode 100644
index 0000000..7318c45
--- /dev/null
+++ b/include/ftl/match.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utility>
+#include <variant>
+
+#include <ftl/details/match.h>
+
+namespace android::ftl {
+
+// Concise alternative to std::visit that compiles to branches rather than a dispatch table. For
+// std::variant<T0, ..., TN> where N is small, this is slightly faster since the branches can be
+// inlined unlike the function pointers.
+//
+//   using namespace std::chrono;
+//   std::variant<seconds, minutes, hours> duration = 119min;
+//
+//   // Mutable match.
+//   ftl::match(duration, [](auto& d) { ++d; });
+//
+//   // Immutable match. Exhaustive due to minutes being convertible to seconds.
+//   assert("2 hours"s ==
+//          ftl::match(duration,
+//                     [](const seconds& s) {
+//                       const auto h = duration_cast<hours>(s);
+//                       return std::to_string(h.count()) + " hours"s;
+//                     },
+//                     [](const hours& h) { return std::to_string(h.count() / 24) + " days"s; }));
+//
+template <typename... Ts, typename... Ms>
+decltype(auto) match(std::variant<Ts...>& variant, Ms&&... matchers) {
+  const auto matcher = details::Matcher{std::forward<Ms>(matchers)...};
+  static_assert(details::is_exhaustive_match_v<decltype(matcher), Ts&...>, "Non-exhaustive match");
+
+  return details::Match<Ts...>::match(variant, matcher);
+}
+
+template <typename... Ts, typename... Ms>
+decltype(auto) match(const std::variant<Ts...>& variant, Ms&&... matchers) {
+  const auto matcher = details::Matcher{std::forward<Ms>(matchers)...};
+  static_assert(details::is_exhaustive_match_v<decltype(matcher), const Ts&...>,
+                "Non-exhaustive match");
+
+  return details::Match<Ts...>::match(variant, matcher);
+}
+
+}  // namespace android::ftl
diff --git a/include/ftl/optional.h b/include/ftl/optional.h
new file mode 100644
index 0000000..626507f
--- /dev/null
+++ b/include/ftl/optional.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <optional>
+#include <utility>
+
+#include <ftl/details/optional.h>
+
+namespace android::ftl {
+
+// Superset of std::optional<T> with monadic operations, as proposed in https://wg21.link/P0798R8.
+//
+// TODO: Remove in C++23.
+//
+template <typename T>
+struct Optional final : std::optional<T> {
+  using std::optional<T>::optional;
+
+  // Implicit downcast.
+  Optional(std::optional<T> other) : std::optional<T>(std::move(other)) {}
+
+  using std::optional<T>::has_value;
+  using std::optional<T>::value;
+
+  // Returns Optional<U> where F is a function that maps T to U.
+  template <typename F>
+  constexpr auto transform(F&& f) const& {
+    using R = details::transform_result_t<F, decltype(value())>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) & {
+    using R = details::transform_result_t<F, decltype(value())>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) const&& {
+    using R = details::transform_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), std::move(value())));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto transform(F&& f) && {
+    using R = details::transform_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return R(std::invoke(std::forward<F>(f), std::move(value())));
+    return R();
+  }
+
+  // Returns Optional<U> where F is a function that maps T to Optional<U>.
+  template <typename F>
+  constexpr auto and_then(F&& f) const& {
+    using R = details::and_then_result_t<F, decltype(value())>;
+    if (has_value()) return std::invoke(std::forward<F>(f), value());
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) & {
+    using R = details::and_then_result_t<F, decltype(value())>;
+    if (has_value()) return std::invoke(std::forward<F>(f), value());
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) const&& {
+    using R = details::and_then_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return std::invoke(std::forward<F>(f), std::move(value()));
+    return R();
+  }
+
+  template <typename F>
+  constexpr auto and_then(F&& f) && {
+    using R = details::and_then_result_t<F, decltype(std::move(value()))>;
+    if (has_value()) return std::invoke(std::forward<F>(f), std::move(value()));
+    return R();
+  }
+};
+
+// Deduction guides.
+template <typename T>
+Optional(T) -> Optional<T>;
+
+template <typename T>
+Optional(std::optional<T>) -> Optional<T>;
+
+}  // namespace android::ftl
diff --git a/include/ftl/small_map.h b/include/ftl/small_map.h
index 5217e76..49cde7f 100644
--- a/include/ftl/small_map.h
+++ b/include/ftl/small_map.h
@@ -17,11 +17,11 @@
 #pragma once
 
 #include <ftl/initializer_list.h>
+#include <ftl/optional.h>
 #include <ftl/small_vector.h>
 
 #include <algorithm>
 #include <functional>
-#include <optional>
 #include <type_traits>
 #include <utility>
 
@@ -47,7 +47,7 @@
 //   assert(!map.dynamic());
 //
 //   assert(map.contains(123));
-//   assert(map.get(42, [](const std::string& s) { return s.size(); }) == 3u);
+//   assert(map.get(42).transform([](const std::string& s) { return s.size(); }) == 3u);
 //
 //   const auto opt = map.get(-1);
 //   assert(opt);
@@ -59,7 +59,7 @@
 //   map.emplace_or_replace(0, "vanilla", 2u, 3u);
 //   assert(map.dynamic());
 //
-//   assert(map == SmallMap(ftl::init::map(-1, "xyz")(0, "nil")(42, "???")(123, "abc")));
+//   assert(map == SmallMap(ftl::init::map(-1, "xyz"sv)(0, "nil"sv)(42, "???"sv)(123, "abc"sv)));
 //
 template <typename K, typename V, std::size_t N, typename KeyEqual = std::equal_to<K>>
 class SmallMap final {
@@ -123,9 +123,7 @@
   const_iterator cend() const { return map_.cend(); }
 
   // Returns whether a mapping exists for the given key.
-  bool contains(const key_type& key) const {
-    return get(key, [](const mapped_type&) {});
-  }
+  bool contains(const key_type& key) const { return get(key).has_value(); }
 
   // Returns a reference to the value for the given key, or std::nullopt if the key was not found.
   //
@@ -139,44 +137,22 @@
   //   ref.get() = 'D';
   //   assert(d == 'D');
   //
-  auto get(const key_type& key) const -> std::optional<std::reference_wrapper<const mapped_type>> {
-    return get(key, [](const mapped_type& v) { return std::cref(v); });
-  }
-
-  auto get(const key_type& key) -> std::optional<std::reference_wrapper<mapped_type>> {
-    return get(key, [](mapped_type& v) { return std::ref(v); });
-  }
-
-  // Returns the result R of a unary operation F on (a constant or mutable reference to) the value
-  // for the given key, or std::nullopt if the key was not found. If F has a return type of void,
-  // then the Boolean result indicates whether the key was found.
-  //
-  //   ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-  //
-  //   assert(map.get('c', [](char c) { return std::toupper(c); }) == 'Z');
-  //   assert(map.get('c', [](char& c) { c = std::toupper(c); }));
-  //
-  template <typename F, typename R = std::invoke_result_t<F, const mapped_type&>>
-  auto get(const key_type& key, F f) const
-      -> std::conditional_t<std::is_void_v<R>, bool, std::optional<R>> {
-    for (auto& [k, v] : *this) {
+  auto get(const key_type& key) const -> Optional<std::reference_wrapper<const mapped_type>> {
+    for (const auto& [k, v] : *this) {
       if (KeyEqual{}(k, key)) {
-        if constexpr (std::is_void_v<R>) {
-          f(v);
-          return true;
-        } else {
-          return f(v);
-        }
+        return std::cref(v);
       }
     }
-
     return {};
   }
 
-  template <typename F>
-  auto get(const key_type& key, F f) {
-    return std::as_const(*this).get(
-        key, [&f](const mapped_type& v) { return f(const_cast<mapped_type&>(v)); });
+  auto get(const key_type& key) -> Optional<std::reference_wrapper<mapped_type>> {
+    for (auto& [k, v] : *this) {
+      if (KeyEqual{}(k, key)) {
+        return std::ref(v);
+      }
+    }
+    return {};
   }
 
   // Returns an iterator to an existing mapping for the given key, or the end() iterator otherwise.
@@ -286,7 +262,7 @@
 
   for (const auto& [k, v] : lhs) {
     const auto& lv = v;
-    if (!rhs.get(k, [&lv](const auto& rv) { return lv == rv; }).value_or(false)) {
+    if (!rhs.get(k).transform([&lv](const W& rv) { return lv == rv; }).value_or(false)) {
       return false;
     }
   }
diff --git a/include/ftl/small_vector.h b/include/ftl/small_vector.h
index 339726e..11294c3 100644
--- a/include/ftl/small_vector.h
+++ b/include/ftl/small_vector.h
@@ -21,11 +21,12 @@
 
 #include <algorithm>
 #include <iterator>
-#include <type_traits>
 #include <utility>
 #include <variant>
 #include <vector>
 
+#include <ftl/details/type_traits.h>
+
 namespace android::ftl {
 
 template <typename>
@@ -80,10 +81,6 @@
   using Static = StaticVector<T, N>;
   using Dynamic = SmallVector<T, 0>;
 
-  // TODO: Replace with std::remove_cvref_t in C++20.
-  template <typename U>
-  using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
-
  public:
   FTL_ARRAY_TRAIT(T, value_type);
   FTL_ARRAY_TRAIT(T, size_type);
@@ -104,7 +101,7 @@
 
   // Constructs at most N elements. See StaticVector for underlying constructors.
   template <typename Arg, typename... Args,
-            typename = std::enable_if_t<!is_small_vector<remove_cvref_t<Arg>>{}>>
+            typename = std::enable_if_t<!is_small_vector<details::remove_cvref_t<Arg>>{}>>
   SmallVector(Arg&& arg, Args&&... args)
       : vector_(std::in_place_type<Static>, std::forward<Arg>(arg), std::forward<Args>(args)...) {}
 
diff --git a/include/ftl/unit.h b/include/ftl/unit.h
new file mode 100644
index 0000000..e38230b
--- /dev/null
+++ b/include/ftl/unit.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+// The unit type, and its only value.
+constexpr struct Unit {
+} unit;
+
+constexpr bool operator==(Unit, Unit) {
+  return true;
+}
+
+constexpr bool operator!=(Unit, Unit) {
+  return false;
+}
+
+// Adapts a function object F to return Unit. The return value of F is ignored.
+//
+// As a practical use, the function passed to ftl::Optional<T>::transform is not allowed to return
+// void (cf. https://wg21.link/P0798R8#mapping-functions-returning-void), but may return Unit if
+// only its side effects are meaningful:
+//
+//   ftl::Optional opt = "food"s;
+//   opt.transform(ftl::unit_fn([](std::string& str) { str.pop_back(); }));
+//   assert(opt == "foo"s);
+//
+template <typename F>
+struct UnitFn {
+  F f;
+
+  template <typename... Args>
+  Unit operator()(Args&&... args) {
+    return f(std::forward<Args>(args)...), unit;
+  }
+};
+
+template <typename F>
+constexpr auto unit_fn(F&& f) -> UnitFn<std::decay_t<F>> {
+  return {std::forward<F>(f)};
+}
+
+}  // namespace android::ftl
diff --git a/include/input/DisplayViewport.h b/include/input/DisplayViewport.h
index 9148fee..98a18c9 100644
--- a/include/input/DisplayViewport.h
+++ b/include/input/DisplayViewport.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_DISPLAY_VIEWPORT_H
-#define _LIBINPUT_DISPLAY_VIEWPORT_H
+#pragma once
 
 #include <android-base/stringprintf.h>
 #include <ftl/enum.h>
@@ -144,5 +143,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_DISPLAY_VIEWPORT_H
diff --git a/include/input/Input.h b/include/input/Input.h
index 7ea2970..172e5b4 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_H
-#define _LIBINPUT_INPUT_H
+#pragma once
 
 #pragma GCC system_header
 
@@ -290,6 +289,10 @@
      * The current gesture likely represents a user intentionally exerting force on the touchscreen.
      */
     DEEP_PRESS = AMOTION_EVENT_CLASSIFICATION_DEEP_PRESS,
+    /**
+     * The current gesture represents the user swiping with two fingers on a touchpad.
+     */
+    TWO_FINGER_SWIPE = AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE,
 };
 
 /**
@@ -1061,6 +1064,46 @@
     uint32_t seq;
 };
 
-} // namespace android
+/* Pointer icon styles.
+ * Must match the definition in android.view.PointerIcon.
+ *
+ * Due to backwards compatibility and public api constraints, this is a duplicate (but type safe)
+ * definition of PointerIcon.java.
+ *
+ * TODO(b/235023317) move this definition to an aidl and statically assign to the below java public
+ * api values.
+ *
+ * WARNING: Keep these definitions in sync with
+ * frameworks/base/core/java/android/view/PointerIcon.java
+ */
+enum class PointerIconStyle : int32_t {
+    TYPE_CUSTOM = -1,
+    TYPE_NULL = 0,
+    TYPE_ARROW = 1000,
+    TYPE_CONTEXT_MENU = 1001,
+    TYPE_HAND = 1002,
+    TYPE_HELP = 1003,
+    TYPE_WAIT = 1004,
+    TYPE_CELL = 1006,
+    TYPE_CROSSHAIR = 1007,
+    TYPE_TEXT = 1008,
+    TYPE_VERTICAL_TEXT = 1009,
+    TYPE_ALIAS = 1010,
+    TYPE_COPY = 1011,
+    TYPE_NO_DROP = 1012,
+    TYPE_ALL_SCROLL = 1013,
+    TYPE_HORIZONTAL_DOUBLE_ARROW = 1014,
+    TYPE_VERTICAL_DOUBLE_ARROW = 1015,
+    TYPE_TOP_RIGHT_DOUBLE_ARROW = 1016,
+    TYPE_TOP_LEFT_DOUBLE_ARROW = 1017,
+    TYPE_ZOOM_IN = 1018,
+    TYPE_ZOOM_OUT = 1019,
+    TYPE_GRAB = 1020,
+    TYPE_GRABBING = 1021,
 
-#endif // _LIBINPUT_INPUT_H
+    TYPE_SPOT_HOVER = 2000,
+    TYPE_SPOT_TOUCH = 2001,
+    TYPE_SPOT_ANCHOR = 2002,
+};
+
+} // namespace android
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 3585392..0026e82 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -14,15 +14,17 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_DEVICE_H
-#define _LIBINPUT_INPUT_DEVICE_H
+#pragma once
 
 #include <android/sensor.h>
+#include <ftl/flags.h>
 #include <input/Input.h>
 #include <input/KeyCharacterMap.h>
 #include <unordered_map>
 #include <vector>
 
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
 namespace android {
 
 /*
@@ -104,12 +106,18 @@
 };
 
 enum class InputDeviceLightType : int32_t {
-    MONO = 0,
+    INPUT = 0,
     PLAYER_ID = 1,
-    RGB = 2,
-    MULTI_COLOR = 3,
+    KEYBOARD_BACKLIGHT = 2,
 
-    ftl_last = MULTI_COLOR
+    ftl_last = KEYBOARD_BACKLIGHT
+};
+
+enum class InputDeviceLightCapability : uint32_t {
+    /** Capability to change brightness of the light */
+    BRIGHTNESS = 0x00000001,
+    /** Capability to change color of the light */
+    RGB = 0x00000002,
 };
 
 struct InputDeviceSensorInfo {
@@ -170,14 +178,17 @@
 
 struct InputDeviceLightInfo {
     explicit InputDeviceLightInfo(std::string name, int32_t id, InputDeviceLightType type,
+                                  ftl::Flags<InputDeviceLightCapability> capabilityFlags,
                                   int32_t ordinal)
-          : name(name), id(id), type(type), ordinal(ordinal) {}
+          : name(name), id(id), type(type), capabilityFlags(capabilityFlags), ordinal(ordinal) {}
     // Name string of the light.
     std::string name;
     // Light id
     int32_t id;
     // Type of the light.
     InputDeviceLightType type;
+    // Light capabilities.
+    ftl::Flags<InputDeviceLightCapability> capabilityFlags;
     // Ordinal of the light
     int32_t ordinal;
 };
@@ -210,8 +221,10 @@
     };
 
     void initialize(int32_t id, int32_t generation, int32_t controllerNumber,
-            const InputDeviceIdentifier& identifier, const std::string& alias, bool isExternal,
-            bool hasMic);
+                    const InputDeviceIdentifier& identifier, const std::string& alias,
+                    bool isExternal, bool hasMic,
+                    hardware::input::InputDeviceCountryCode countryCode =
+                            hardware::input::InputDeviceCountryCode::INVALID);
 
     inline int32_t getId() const { return mId; }
     inline int32_t getControllerNumber() const { return mControllerNumber; }
@@ -223,6 +236,7 @@
     }
     inline bool isExternal() const { return mIsExternal; }
     inline bool hasMic() const { return mHasMic; }
+    inline hardware::input::InputDeviceCountryCode getCountryCode() const { return mCountryCode; }
     inline uint32_t getSources() const { return mSources; }
 
     const MotionRange* getMotionRange(int32_t axis, uint32_t source) const;
@@ -274,9 +288,11 @@
     std::string mAlias;
     bool mIsExternal;
     bool mHasMic;
+    hardware::input::InputDeviceCountryCode mCountryCode;
     uint32_t mSources;
     int32_t mKeyboardType;
     std::shared_ptr<KeyCharacterMap> mKeyCharacterMap;
+
     bool mHasVibrator;
     bool mHasBattery;
     bool mHasButtonUnderPad;
@@ -334,5 +350,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_INPUT_DEVICE_H
diff --git a/include/input/InputEventLabels.h b/include/input/InputEventLabels.h
index 2a742f9..b4374ac 100644
--- a/include/input/InputEventLabels.h
+++ b/include/input/InputEventLabels.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_EVENT_LABELS_H
-#define _LIBINPUT_INPUT_EVENT_LABELS_H
+#pragma once
 
 #include <input/Input.h>
 #include <android/keycodes.h>
@@ -68,4 +67,3 @@
 };
 
 } // namespace android
-#endif // _LIBINPUT_INPUT_EVENT_LABELS_H
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index 5f9a37d..1c52792 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_INPUT_TRANSPORT_H
-#define _LIBINPUT_INPUT_TRANSPORT_H
+#pragma once
 
 #pragma GCC system_header
 
@@ -452,8 +451,11 @@
  */
 class InputConsumer {
 public:
-    /* Creates a consumer associated with an input channel. */
+    /* Create a consumer associated with an input channel. */
     explicit InputConsumer(const std::shared_ptr<InputChannel>& channel);
+    /* Create a consumer associated with an input channel, override resampling system property */
+    explicit InputConsumer(const std::shared_ptr<InputChannel>& channel,
+                           bool enableTouchResampling);
 
     /* Destroys the consumer and releases its input channel. */
     ~InputConsumer();
@@ -671,5 +673,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_INPUT_TRANSPORT_H
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index f6f8939..dc928b8 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEY_CHARACTER_MAP_H
-#define _LIBINPUT_KEY_CHARACTER_MAP_H
+#pragma once
 
 #include <stdint.h>
+#include <list>
 
 #ifdef __linux__
 #include <binder/IBinder.h>
@@ -152,29 +152,22 @@
 
 private:
     struct Behavior {
-        Behavior();
-        Behavior(const Behavior& other);
-
-        /* The next behavior in the list, or NULL if none. */
-        Behavior* next;
-
         /* The meta key modifiers for this behavior. */
-        int32_t metaState;
+        int32_t metaState = 0;
 
         /* The character to insert. */
-        char16_t character;
+        char16_t character = 0;
 
         /* The fallback keycode if the key is not handled. */
-        int32_t fallbackKeyCode;
+        int32_t fallbackKeyCode = 0;
 
         /* The replacement keycode if the key has to be replaced outright. */
-        int32_t replacementKeyCode;
+        int32_t replacementKeyCode = 0;
     };
 
     struct Key {
         Key();
         Key(const Key& other);
-        ~Key();
 
         /* The single character label printed on the key, or 0 if none. */
         char16_t label;
@@ -184,7 +177,7 @@
 
         /* The list of key behaviors sorted from most specific to least specific
          * meta key binding. */
-        Behavior* firstBehavior;
+        std::list<Behavior> behaviors;
     };
 
     class Parser {
@@ -240,8 +233,7 @@
     KeyCharacterMap(const std::string& filename);
 
     bool getKey(int32_t keyCode, const Key** outKey) const;
-    bool getKeyBehavior(int32_t keyCode, int32_t metaState,
-            const Key** outKey, const Behavior** outBehavior) const;
+    const Behavior* getKeyBehavior(int32_t keyCode, int32_t metaState) const;
     static bool matchesMetaState(int32_t eventMetaState, int32_t behaviorMetaState);
 
     bool findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMetaState) const;
@@ -277,5 +269,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_CHARACTER_MAP_H
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index 1da78aa..e203d19 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEY_LAYOUT_MAP_H
-#define _LIBINPUT_KEY_LAYOUT_MAP_H
+#pragma once
 
 #include <android-base/result.h>
 #include <stdint.h>
@@ -78,7 +77,7 @@
     std::optional<AxisInfo> mapAxis(int32_t scanCode) const;
     const std::string getLoadFileName() const;
     // Return pair of sensor type and sensor data index, for the input device abs code
-    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode);
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode) const;
 
     virtual ~KeyLayoutMap();
 
@@ -131,5 +130,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_LAYOUT_MAP_H
diff --git a/include/input/Keyboard.h b/include/input/Keyboard.h
index 9a3e15f..f7f960f 100644
--- a/include/input/Keyboard.h
+++ b/include/input/Keyboard.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_KEYBOARD_H
-#define _LIBINPUT_KEYBOARD_H
+#pragma once
 
 #include <input/Input.h>
 #include <input/InputDevice.h>
@@ -88,5 +87,3 @@
 extern bool isMetaKey(int32_t keyCode);
 
 } // namespace android
-
-#endif // _LIBINPUT_KEYBOARD_H
diff --git a/include/input/PropertyMap.h b/include/input/PropertyMap.h
index 451918b..28e4816 100644
--- a/include/input/PropertyMap.h
+++ b/include/input/PropertyMap.h
@@ -14,14 +14,11 @@
  * limitations under the License.
  */
 
-#ifndef _UTILS_PROPERTY_MAP_H
-#define _UTILS_PROPERTY_MAP_H
+#pragma once
 
 #include <android-base/result.h>
-#include <utils/Errors.h>
-#include <utils/KeyedVector.h>
-#include <utils/String8.h>
 #include <utils/Tokenizer.h>
+#include <unordered_map>
 
 namespace android {
 
@@ -58,30 +55,27 @@
     /* Adds a property.
      * Replaces the property with the same key if it is already present.
      */
-    void addProperty(const String8& key, const String8& value);
-
-    /* Returns true if the property map contains the specified key. */
-    bool hasProperty(const String8& key) const;
+    void addProperty(const std::string& key, const std::string& value);
 
     /* Gets the value of a property and parses it.
      * Returns true and sets outValue if the key was found and its value was parsed successfully.
      * Otherwise returns false and does not modify outValue.  (Also logs a warning.)
      */
-    bool tryGetProperty(const String8& key, String8& outValue) const;
-    bool tryGetProperty(const String8& key, bool& outValue) const;
-    bool tryGetProperty(const String8& key, int32_t& outValue) const;
-    bool tryGetProperty(const String8& key, float& outValue) const;
+    bool tryGetProperty(const std::string& key, std::string& outValue) const;
+    bool tryGetProperty(const std::string& key, bool& outValue) const;
+    bool tryGetProperty(const std::string& key, int32_t& outValue) const;
+    bool tryGetProperty(const std::string& key, float& outValue) const;
 
     /* Adds all values from the specified property map. */
     void addAll(const PropertyMap* map);
 
-    /* Gets the underlying property map. */
-    inline const KeyedVector<String8, String8>& getProperties() const { return mProperties; }
-
     /* Loads a property map from a file. */
     static android::base::Result<std::unique_ptr<PropertyMap>> load(const char* filename);
 
 private:
+    /* Returns true if the property map contains the specified key. */
+    bool hasProperty(const std::string& key) const;
+
     class Parser {
         PropertyMap* mMap;
         Tokenizer* mTokenizer;
@@ -95,13 +89,11 @@
         status_t parseType();
         status_t parseKey();
         status_t parseKeyProperty();
-        status_t parseModifier(const String8& token, int32_t* outMetaState);
+        status_t parseModifier(const std::string& token, int32_t* outMetaState);
         status_t parseCharacterLiteral(char16_t* outCharacter);
     };
 
-    KeyedVector<String8, String8> mProperties;
+    std::unordered_map<std::string, std::string> mProperties;
 };
 
 } // namespace android
-
-#endif // _UTILS_PROPERTY_MAP_H
diff --git a/include/input/TouchVideoFrame.h b/include/input/TouchVideoFrame.h
index eda628e..a616a95 100644
--- a/include/input/TouchVideoFrame.h
+++ b/include/input/TouchVideoFrame.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_TOUCHVIDEOFRAME_H
-#define _LIBINPUT_TOUCHVIDEOFRAME_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/time.h>
@@ -75,5 +74,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_TOUCHVIDEOFRAME_H
diff --git a/include/input/VelocityControl.h b/include/input/VelocityControl.h
index 1acc2ae..f72a1bd 100644
--- a/include/input/VelocityControl.h
+++ b/include/input/VelocityControl.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VELOCITY_CONTROL_H
-#define _LIBINPUT_VELOCITY_CONTROL_H
+#pragma once
 
 #include <input/Input.h>
 #include <input/VelocityTracker.h>
@@ -98,10 +97,8 @@
     VelocityControlParameters mParameters;
 
     nsecs_t mLastMovementTime;
-    VelocityTracker::Position mRawPosition;
+    float mRawPositionX, mRawPositionY;
     VelocityTracker mVelocityTracker;
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_VELOCITY_CONTROL_H
diff --git a/include/input/VelocityTracker.h b/include/input/VelocityTracker.h
index 886f1f7..294879e 100644
--- a/include/input/VelocityTracker.h
+++ b/include/input/VelocityTracker.h
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VELOCITY_TRACKER_H
-#define _LIBINPUT_VELOCITY_TRACKER_H
+#pragma once
 
 #include <input/Input.h>
 #include <utils/BitSet.h>
 #include <utils/Timers.h>
+#include <map>
+#include <set>
 
 namespace android {
 
@@ -46,18 +47,14 @@
         MAX = LEGACY,
     };
 
-    struct Position {
-        float x, y;
-    };
-
     struct Estimator {
         static const size_t MAX_DEGREE = 4;
 
         // Estimator time base.
         nsecs_t time;
 
-        // Polynomial coefficients describing motion in X and Y.
-        float xCoeff[MAX_DEGREE + 1], yCoeff[MAX_DEGREE + 1];
+        // Polynomial coefficients describing motion.
+        float coeff[MAX_DEGREE + 1];
 
         // Polynomial degree (number of coefficients), or zero if no information is
         // available.
@@ -71,14 +68,40 @@
             degree = 0;
             confidence = 0;
             for (size_t i = 0; i <= MAX_DEGREE; i++) {
-                xCoeff[i] = 0;
-                yCoeff[i] = 0;
+                coeff[i] = 0;
             }
         }
     };
 
-    // Creates a velocity tracker using the specified strategy.
+    /*
+     * Contains all available velocity data from a VelocityTracker.
+     */
+    struct ComputedVelocity {
+        inline std::optional<float> getVelocity(int32_t axis, uint32_t id) const {
+            const auto& axisVelocities = mVelocities.find(axis);
+            if (axisVelocities == mVelocities.end()) {
+                return {};
+            }
+
+            const auto& axisIdVelocity = axisVelocities->second.find(id);
+            if (axisIdVelocity == axisVelocities->second.end()) {
+                return {};
+            }
+
+            return axisIdVelocity->second;
+        }
+
+        inline void addVelocity(int32_t axis, uint32_t id, float velocity) {
+            mVelocities[axis][id] = velocity;
+        }
+
+    private:
+        std::map<int32_t /*axis*/, std::map<int32_t /*pointerId*/, float /*velocity*/>> mVelocities;
+    };
+
+    // Creates a velocity tracker using the specified strategy for each supported axis.
     // If strategy is not provided, uses the default strategy for the platform.
+    // TODO(b/32830165): support axis-specific strategies.
     VelocityTracker(const Strategy strategy = Strategy::DEFAULT);
 
     ~VelocityTracker();
@@ -92,47 +115,57 @@
     void clearPointers(BitSet32 idBits);
 
     // Adds movement information for a set of pointers.
-    // The idBits bitfield specifies the pointer ids of the pointers whose positions
+    // The idBits bitfield specifies the pointer ids of the pointers whose data points
     // are included in the movement.
-    // The positions array contains position information for each pointer in order by
-    // increasing id.  Its size should be equal to the number of one bits in idBits.
-    void addMovement(nsecs_t eventTime, BitSet32 idBits, const std::vector<Position>& positions);
+    // The positions map contains a mapping of an axis to positions array.
+    // The positions arrays contain information for each pointer in order by increasing id.
+    // Each array's size should be equal to the number of one bits in idBits.
+    void addMovement(nsecs_t eventTime, BitSet32 idBits,
+                     const std::map<int32_t, std::vector<float>>& positions);
 
     // Adds movement information for all pointers in a MotionEvent, including historical samples.
     void addMovement(const MotionEvent* event);
 
-    // Gets the velocity of the specified pointer id in position units per second.
-    // Returns false and sets the velocity components to zero if there is
-    // insufficient movement information for the pointer.
-    bool getVelocity(uint32_t id, float* outVx, float* outVy) const;
+    // Returns the velocity of the specified pointer id and axis in position units per second.
+    // Returns empty optional if there is insufficient movement information for the pointer, or if
+    // the given axis is not supported for velocity tracking.
+    std::optional<float> getVelocity(int32_t axis, uint32_t id) const;
 
-    // Gets an estimator for the recent movements of the specified pointer id.
+    // Returns a ComputedVelocity instance with all available velocity data, using the given units
+    // (reference: units == 1 means "per millisecond"), and clamping each velocity between
+    // [-maxVelocity, maxVelocity], inclusive.
+    ComputedVelocity getComputedVelocity(int32_t units, float maxVelocity);
+
+    // Gets an estimator for the recent movements of the specified pointer id for the given axis.
     // Returns false and clears the estimator if there is no information available
     // about the pointer.
-    bool getEstimator(uint32_t id, Estimator* outEstimator) const;
+    bool getEstimator(int32_t axis, uint32_t id, Estimator* outEstimator) const;
 
     // Gets the active pointer id, or -1 if none.
     inline int32_t getActivePointerId() const { return mActivePointerId; }
 
-    // Gets a bitset containing all pointer ids from the most recent movement.
-    inline BitSet32 getCurrentPointerIdBits() const { return mCurrentPointerIdBits; }
-
 private:
-    // The default velocity tracker strategy.
-    // Although other strategies are available for testing and comparison purposes,
-    // this is the strategy that applications will actually use.  Be very careful
-    // when adjusting the default strategy because it can dramatically affect
-    // (often in a bad way) the user experience.
-    static const Strategy DEFAULT_STRATEGY = Strategy::LSQ2;
-
     nsecs_t mLastEventTime;
     BitSet32 mCurrentPointerIdBits;
     int32_t mActivePointerId;
-    std::unique_ptr<VelocityTrackerStrategy> mStrategy;
 
-    bool configureStrategy(const Strategy strategy);
+    // An override strategy passed in the constructor to be used for all axes.
+    // This strategy will apply to all axes, unless the default strategy is specified here.
+    // When default strategy is specified, then each axis will use a potentially different strategy
+    // based on a hardcoded mapping.
+    const Strategy mOverrideStrategy;
+    // Maps axes to their respective VelocityTrackerStrategy instances.
+    // Note that, only axes that have had MotionEvents (and not all supported axes) will be here.
+    std::map<int32_t /*axis*/, std::unique_ptr<VelocityTrackerStrategy>> mConfiguredStrategies;
 
-    static std::unique_ptr<VelocityTrackerStrategy> createStrategy(const Strategy strategy);
+    void configureStrategy(int32_t axis);
+
+    // Generates a VelocityTrackerStrategy instance for the given Strategy type.
+    // The `deltaValues` parameter indicates whether or not the created strategy should treat motion
+    // values as deltas (and not as absolute values). This the parameter is applicable only for
+    // strategies that support differential axes.
+    static std::unique_ptr<VelocityTrackerStrategy> createStrategy(const Strategy strategy,
+                                                                   bool deltaValues);
 };
 
 
@@ -146,10 +179,9 @@
 public:
     virtual ~VelocityTrackerStrategy() { }
 
-    virtual void clear() = 0;
     virtual void clearPointers(BitSet32 idBits) = 0;
     virtual void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                             const std::vector<VelocityTracker::Position>& positions) = 0;
+                             const std::vector<float>& positions) = 0;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const = 0;
 };
 
@@ -178,10 +210,9 @@
     LeastSquaresVelocityTrackerStrategy(uint32_t degree, Weighting weighting = WEIGHTING_NONE);
     virtual ~LeastSquaresVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -196,11 +227,9 @@
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
     float chooseWeight(uint32_t index) const;
@@ -221,10 +250,9 @@
     IntegratingVelocityTrackerStrategy(uint32_t degree);
     ~IntegratingVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -233,16 +261,15 @@
         nsecs_t updateTime;
         uint32_t degree;
 
-        float xpos, xvel, xaccel;
-        float ypos, yvel, yaccel;
+        float pos, vel, accel;
     };
 
     const uint32_t mDegree;
     BitSet32 mPointerIdBits;
     State mPointerState[MAX_POINTER_ID + 1];
 
-    void initState(State& state, nsecs_t eventTime, float xpos, float ypos) const;
-    void updateState(State& state, nsecs_t eventTime, float xpos, float ypos) const;
+    void initState(State& state, nsecs_t eventTime, float pos) const;
+    void updateState(State& state, nsecs_t eventTime, float pos) const;
     void populateEstimator(const State& state, VelocityTracker::Estimator* outEstimator) const;
 };
 
@@ -255,10 +282,9 @@
     LegacyVelocityTrackerStrategy();
     virtual ~LegacyVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -274,11 +300,9 @@
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
     uint32_t mIndex;
@@ -287,13 +311,12 @@
 
 class ImpulseVelocityTrackerStrategy : public VelocityTrackerStrategy {
 public:
-    ImpulseVelocityTrackerStrategy();
+    ImpulseVelocityTrackerStrategy(bool deltaValues);
     virtual ~ImpulseVelocityTrackerStrategy();
 
-    virtual void clear();
     virtual void clearPointers(BitSet32 idBits);
     void addMovement(nsecs_t eventTime, BitSet32 idBits,
-                     const std::vector<VelocityTracker::Position>& positions) override;
+                     const std::vector<float>& positions) override;
     virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
 
 private:
@@ -308,17 +331,18 @@
     struct Movement {
         nsecs_t eventTime;
         BitSet32 idBits;
-        VelocityTracker::Position positions[MAX_POINTERS];
+        float positions[MAX_POINTERS];
 
-        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
-            return positions[idBits.getIndexOfBit(id)];
-        }
+        inline float getPosition(uint32_t id) const { return positions[idBits.getIndexOfBit(id)]; }
     };
 
+    // Whether or not the input movement values for the strategy come in the form of delta values.
+    // If the input values are not deltas, the strategy needs to calculate deltas as part of its
+    // velocity calculation.
+    const bool mDeltaValues;
+
     size_t mIndex;
     Movement mMovements[HISTORY_SIZE];
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_VELOCITY_TRACKER_H
diff --git a/include/input/VirtualKeyMap.h b/include/input/VirtualKeyMap.h
index 6e8e2c9..a4381ea 100644
--- a/include/input/VirtualKeyMap.h
+++ b/include/input/VirtualKeyMap.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBINPUT_VIRTUAL_KEY_MAP_H
-#define _LIBINPUT_VIRTUAL_KEY_MAP_H
+#pragma once
 
 #include <stdint.h>
 
@@ -77,5 +76,3 @@
 };
 
 } // namespace android
-
-#endif // _LIBINPUT_KEY_CHARACTER_MAP_H
diff --git a/libs/arect/include/android/rect.h b/libs/arect/include/android/rect.h
index b36728e..d52861a 100644
--- a/libs/arect/include/android/rect.h
+++ b/libs/arect/include/android/rect.h
@@ -57,7 +57,7 @@
 } ARect;
 
 #ifdef __cplusplus
-};
+}
 #endif
 
 #endif // ANDROID_RECT_H
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index df965ab..c4bb6d0 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -321,10 +321,6 @@
     },
 
     afdo: true,
-
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 cc_library_static {
@@ -463,9 +459,7 @@
     local_include_dir: "aidl",
     host_supported: true,
     srcs: [
-        "aidl/android/content/pm/IPackageChangeObserver.aidl",
         "aidl/android/content/pm/IPackageManagerNative.aidl",
-        "aidl/android/content/pm/PackageChangeEvent.aidl",
         "aidl/android/content/pm/IStagedApexObserver.aidl",
         "aidl/android/content/pm/ApexStagedEvent.aidl",
         "aidl/android/content/pm/StagedApexInfo.aidl",
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index 7c99f76..f8a8843 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -17,7 +17,6 @@
 
 package android.content.pm;
 
-import android.content.pm.IPackageChangeObserver;
 import android.content.pm.IStagedApexObserver;
 import android.content.pm.StagedApexInfo;
 
@@ -92,18 +91,6 @@
      */
     @utf8InCpp String getModuleMetadataPackageName();
 
-    /* Returns the names of all packages. */
-    @utf8InCpp String[] getAllPackages();
-
-    /** Register an extra package change observer to receive the multi-cast. */
-    void registerPackageChangeObserver(in IPackageChangeObserver observer);
-
-    /**
-     * Unregister an existing package change observer.
-     * This does nothing if this observer was not already registered.
-     */
-    void unregisterPackageChangeObserver(in IPackageChangeObserver observer);
-
     /**
      * Returns true if the package has the SHA 256 version of the signing certificate.
      * @see PackageManager#hasSigningCertificate(String, byte[], int), where type
diff --git a/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl b/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl
deleted file mode 100644
index e30e907..0000000
--- a/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.content.pm;
-
-/**
- * This event is designed for notification to native code listener about
- * any changes on a package including update, deletion and etc.
- *
- * @hide
- */
-parcelable PackageChangeEvent {
-  @utf8InCpp String packageName;
-  long version;
-  long lastUpdateTimeMillis;
-  boolean newInstalled;
-  boolean dataRemoved;
-  boolean isDeleted;
-}
diff --git a/libs/binder/include/binder/IInterface.h b/libs/binder/include/binder/IInterface.h
index 9f7e2c8..dc572ac 100644
--- a/libs/binder/include/binder/IInterface.h
+++ b/libs/binder/include/binder/IInterface.h
@@ -219,80 +219,79 @@
 
 namespace internal {
 constexpr const char* const kManualInterfaces[] = {
-  "android.app.IActivityManager",
-  "android.app.IUidObserver",
-  "android.drm.IDrm",
-  "android.dvr.IVsyncCallback",
-  "android.dvr.IVsyncService",
-  "android.gfx.tests.ICallback",
-  "android.gfx.tests.IIPCTest",
-  "android.gfx.tests.ISafeInterfaceTest",
-  "android.graphicsenv.IGpuService",
-  "android.gui.IConsumerListener",
-  "android.gui.IGraphicBufferConsumer",
-  "android.gui.ITransactionComposerListener",
-  "android.gui.SensorEventConnection",
-  "android.gui.SensorServer",
-  "android.hardware.ICamera",
-  "android.hardware.ICameraClient",
-  "android.hardware.ICameraRecordingProxy",
-  "android.hardware.ICameraRecordingProxyListener",
-  "android.hardware.ICrypto",
-  "android.hardware.IOMXObserver",
-  "android.hardware.IStreamListener",
-  "android.hardware.IStreamSource",
-  "android.media.IAudioService",
-  "android.media.IDataSource",
-  "android.media.IDrmClient",
-  "android.media.IMediaCodecList",
-  "android.media.IMediaDrmService",
-  "android.media.IMediaExtractor",
-  "android.media.IMediaExtractorService",
-  "android.media.IMediaHTTPConnection",
-  "android.media.IMediaHTTPService",
-  "android.media.IMediaLogService",
-  "android.media.IMediaMetadataRetriever",
-  "android.media.IMediaMetricsService",
-  "android.media.IMediaPlayer",
-  "android.media.IMediaPlayerClient",
-  "android.media.IMediaPlayerService",
-  "android.media.IMediaRecorder",
-  "android.media.IMediaRecorderClient",
-  "android.media.IMediaResourceMonitor",
-  "android.media.IMediaSource",
-  "android.media.IRemoteDisplay",
-  "android.media.IRemoteDisplayClient",
-  "android.media.IResourceManagerClient",
-  "android.media.IResourceManagerService",
-  "android.os.IComplexTypeInterface",
-  "android.os.IPermissionController",
-  "android.os.IPingResponder",
-  "android.os.IProcessInfoService",
-  "android.os.ISchedulingPolicyService",
-  "android.os.IStringConstants",
-  "android.os.storage.IObbActionListener",
-  "android.os.storage.IStorageEventListener",
-  "android.os.storage.IStorageManager",
-  "android.os.storage.IStorageShutdownObserver",
-  "android.service.vr.IPersistentVrStateCallbacks",
-  "android.service.vr.IVrManager",
-  "android.service.vr.IVrStateCallbacks",
-  "android.ui.ISurfaceComposer",
-  "android.ui.ISurfaceComposerClient",
-  "android.utils.IMemory",
-  "android.utils.IMemoryHeap",
-  "com.android.car.procfsinspector.IProcfsInspector",
-  "com.android.internal.app.IAppOpsCallback",
-  "com.android.internal.app.IAppOpsService",
-  "com.android.internal.app.IBatteryStats",
-  "com.android.internal.os.IResultReceiver",
-  "com.android.internal.os.IShellCallback",
-  "drm.IDrmManagerService",
-  "drm.IDrmServiceListener",
-  "IAAudioClient",
-  "IAAudioService",
-  "VtsFuzzer",
-  nullptr,
+        "android.app.IActivityManager",
+        "android.app.IUidObserver",
+        "android.drm.IDrm",
+        "android.dvr.IVsyncCallback",
+        "android.dvr.IVsyncService",
+        "android.gfx.tests.ICallback",
+        "android.gfx.tests.IIPCTest",
+        "android.gfx.tests.ISafeInterfaceTest",
+        "android.graphicsenv.IGpuService",
+        "android.gui.IConsumerListener",
+        "android.gui.IGraphicBufferConsumer",
+        "android.gui.ITransactionComposerListener",
+        "android.gui.SensorEventConnection",
+        "android.gui.SensorServer",
+        "android.hardware.ICamera",
+        "android.hardware.ICameraClient",
+        "android.hardware.ICameraRecordingProxy",
+        "android.hardware.ICameraRecordingProxyListener",
+        "android.hardware.ICrypto",
+        "android.hardware.IOMXObserver",
+        "android.hardware.IStreamListener",
+        "android.hardware.IStreamSource",
+        "android.media.IAudioService",
+        "android.media.IDataSource",
+        "android.media.IDrmClient",
+        "android.media.IMediaCodecList",
+        "android.media.IMediaDrmService",
+        "android.media.IMediaExtractor",
+        "android.media.IMediaExtractorService",
+        "android.media.IMediaHTTPConnection",
+        "android.media.IMediaHTTPService",
+        "android.media.IMediaLogService",
+        "android.media.IMediaMetadataRetriever",
+        "android.media.IMediaMetricsService",
+        "android.media.IMediaPlayer",
+        "android.media.IMediaPlayerClient",
+        "android.media.IMediaPlayerService",
+        "android.media.IMediaRecorder",
+        "android.media.IMediaRecorderClient",
+        "android.media.IMediaResourceMonitor",
+        "android.media.IMediaSource",
+        "android.media.IRemoteDisplay",
+        "android.media.IRemoteDisplayClient",
+        "android.media.IResourceManagerClient",
+        "android.media.IResourceManagerService",
+        "android.os.IComplexTypeInterface",
+        "android.os.IPermissionController",
+        "android.os.IPingResponder",
+        "android.os.IProcessInfoService",
+        "android.os.ISchedulingPolicyService",
+        "android.os.IStringConstants",
+        "android.os.storage.IObbActionListener",
+        "android.os.storage.IStorageEventListener",
+        "android.os.storage.IStorageManager",
+        "android.os.storage.IStorageShutdownObserver",
+        "android.service.vr.IPersistentVrStateCallbacks",
+        "android.service.vr.IVrManager",
+        "android.service.vr.IVrStateCallbacks",
+        "android.ui.ISurfaceComposer",
+        "android.utils.IMemory",
+        "android.utils.IMemoryHeap",
+        "com.android.car.procfsinspector.IProcfsInspector",
+        "com.android.internal.app.IAppOpsCallback",
+        "com.android.internal.app.IAppOpsService",
+        "com.android.internal.app.IBatteryStats",
+        "com.android.internal.os.IResultReceiver",
+        "com.android.internal.os.IShellCallback",
+        "drm.IDrmManagerService",
+        "drm.IDrmServiceListener",
+        "IAAudioClient",
+        "IAAudioService",
+        "VtsFuzzer",
+        nullptr,
 };
 
 constexpr const char* const kDownstreamManualInterfaces[] = {
diff --git a/libs/bufferqueueconverter/Android.bp b/libs/bufferqueueconverter/Android.bp
index c5d3a32..5f145a1 100644
--- a/libs/bufferqueueconverter/Android.bp
+++ b/libs/bufferqueueconverter/Android.bp
@@ -22,6 +22,7 @@
     double_loadable: true,
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "BufferQueueConverter.cpp",
     ],
 
diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index c010a2e..c1945fd 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -14,12 +14,15 @@
         address: true,
     },
     srcs: [
+        "algorithm_test.cpp",
         "cast_test.cpp",
         "concat_test.cpp",
         "enum_test.cpp",
         "fake_guard_test.cpp",
         "flags_test.cpp",
         "future_test.cpp",
+        "match_test.cpp",
+        "optional_test.cpp",
         "small_map_test.cpp",
         "small_vector_test.cpp",
         "static_vector_test.cpp",
diff --git a/libs/ftl/algorithm_test.cpp b/libs/ftl/algorithm_test.cpp
new file mode 100644
index 0000000..8052caf
--- /dev/null
+++ b/libs/ftl/algorithm_test.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/algorithm.h>
+#include <ftl/small_map.h>
+#include <ftl/static_vector.h>
+#include <gtest/gtest.h>
+
+#include <string_view>
+
+namespace android::test {
+
+// Keep in sync with example usage in header file.
+TEST(Algorithm, FindIf) {
+  using namespace std::string_view_literals;
+
+  const ftl::StaticVector vector = {"upside"sv, "down"sv, "cake"sv};
+  EXPECT_EQ(ftl::find_if(vector, [](const auto& str) { return str.front() == 'c'; }), "cake"sv);
+
+  const ftl::SmallMap map = ftl::init::map<int, ftl::StaticVector<std::string_view, 3>>(
+      12, "snow"sv, "cone"sv)(13, "tiramisu"sv)(14, "upside"sv, "down"sv, "cake"sv);
+
+  using Map = decltype(map);
+
+  EXPECT_EQ(14, ftl::find_if(map, [](const auto& pair) {
+                  return pair.second.size() == 3;
+                }).transform(ftl::to_key<Map>));
+
+  const auto opt = ftl::find_if(map, [](const auto& pair) {
+                     return pair.second.size() == 1;
+                   }).transform(ftl::to_mapped_ref<Map>);
+
+  ASSERT_TRUE(opt);
+  EXPECT_EQ(opt->get(), ftl::StaticVector("tiramisu"sv));
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/match_test.cpp b/libs/ftl/match_test.cpp
new file mode 100644
index 0000000..a6cff2e
--- /dev/null
+++ b/libs/ftl/match_test.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/match.h>
+#include <gtest/gtest.h>
+
+#include <chrono>
+#include <string>
+#include <variant>
+
+namespace android::test {
+
+// Keep in sync with example usage in header file.
+TEST(Match, Example) {
+  using namespace std::chrono;
+  using namespace std::chrono_literals;
+  using namespace std::string_literals;
+
+  std::variant<seconds, minutes, hours> duration = 119min;
+
+  // Mutable match.
+  ftl::match(duration, [](auto& d) { ++d; });
+
+  // Immutable match. Exhaustive due to minutes being convertible to seconds.
+  EXPECT_EQ("2 hours"s,
+            ftl::match(
+                duration,
+                [](const seconds& s) {
+                  const auto h = duration_cast<hours>(s);
+                  return std::to_string(h.count()) + " hours"s;
+                },
+                [](const hours& h) { return std::to_string(h.count() / 24) + " days"s; }));
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/optional_test.cpp b/libs/ftl/optional_test.cpp
new file mode 100644
index 0000000..f7410c2
--- /dev/null
+++ b/libs/ftl/optional_test.cpp
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ftl/optional.h>
+#include <ftl/static_vector.h>
+#include <ftl/string.h>
+#include <ftl/unit.h>
+#include <gtest/gtest.h>
+
+#include <cstdlib>
+#include <functional>
+#include <numeric>
+#include <utility>
+
+using namespace std::placeholders;
+using namespace std::string_literals;
+
+namespace android::test {
+
+using ftl::Optional;
+using ftl::StaticVector;
+
+TEST(Optional, Construct) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>());
+  EXPECT_EQ(std::nullopt, Optional<std::string>(std::nullopt));
+
+  // Value.
+  EXPECT_EQ('?', Optional('?'));
+  EXPECT_EQ(""s, Optional(std::string()));
+
+  // In place.
+  EXPECT_EQ("???"s, Optional<std::string>(std::in_place, 3u, '?'));
+  EXPECT_EQ("abc"s, Optional<std::string>(std::in_place, {'a', 'b', 'c'}));
+
+  // Implicit downcast.
+  {
+    Optional opt = std::optional("test"s);
+    static_assert(std::is_same_v<decltype(opt), Optional<std::string>>);
+
+    ASSERT_TRUE(opt);
+    EXPECT_EQ(opt.value(), "test"s);
+  }
+}
+
+TEST(Optional, Transform) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>().transform([](int) { return 0; }));
+
+  // By value.
+  EXPECT_EQ(0, Optional(0).transform([](int x) { return x; }));
+  EXPECT_EQ(100, Optional(99).transform([](int x) { return x + 1; }));
+  EXPECT_EQ("0b100"s, Optional(4).transform(std::bind(ftl::to_string<int>, _1, ftl::Radix::kBin)));
+
+  // By reference.
+  {
+    Optional opt = 'x';
+    EXPECT_EQ('z', opt.transform([](char& c) {
+      c = 'y';
+      return 'z';
+    }));
+
+    EXPECT_EQ('y', opt);
+  }
+
+  // By rvalue reference.
+  {
+    std::string out;
+    EXPECT_EQ("xyz"s, Optional("abc"s).transform([&out](std::string&& str) {
+      out = std::move(str);
+      return "xyz"s;
+    }));
+
+    EXPECT_EQ(out, "abc"s);
+  }
+
+  // No return value.
+  {
+    Optional opt = "food"s;
+    EXPECT_EQ(ftl::unit, opt.transform(ftl::unit_fn([](std::string& str) { str.pop_back(); })));
+    EXPECT_EQ(opt, "foo"s);
+  }
+
+  // Chaining.
+  EXPECT_EQ(14u, Optional(StaticVector{"upside"s, "down"s})
+                     .transform([](StaticVector<std::string, 3>&& v) {
+                       v.push_back("cake"s);
+                       return v;
+                     })
+                     .transform([](const StaticVector<std::string, 3>& v) {
+                       return std::accumulate(v.begin(), v.end(), std::string());
+                     })
+                     .transform([](const std::string& s) { return s.length(); }));
+}
+
+namespace {
+
+Optional<int> parse_int(const std::string& str) {
+  if (const int i = std::atoi(str.c_str())) return i;
+  return std::nullopt;
+}
+
+}  // namespace
+
+TEST(Optional, AndThen) {
+  // Empty.
+  EXPECT_EQ(std::nullopt, Optional<int>().and_then([](int) -> Optional<int> { return 0; }));
+  EXPECT_EQ(std::nullopt, Optional<int>().and_then([](int) { return Optional<int>(); }));
+
+  // By value.
+  EXPECT_EQ(0, Optional(0).and_then([](int x) { return Optional(x); }));
+  EXPECT_EQ(123, Optional("123").and_then(parse_int));
+  EXPECT_EQ(std::nullopt, Optional("abc").and_then(parse_int));
+
+  // By reference.
+  {
+    Optional opt = 'x';
+    EXPECT_EQ('z', opt.and_then([](char& c) {
+      c = 'y';
+      return Optional('z');
+    }));
+
+    EXPECT_EQ('y', opt);
+  }
+
+  // By rvalue reference.
+  {
+    std::string out;
+    EXPECT_EQ("xyz"s, Optional("abc"s).and_then([&out](std::string&& str) {
+      out = std::move(str);
+      return Optional("xyz"s);
+    }));
+
+    EXPECT_EQ(out, "abc"s);
+  }
+
+  // Chaining.
+  using StringVector = StaticVector<std::string, 3>;
+  EXPECT_EQ(14u, Optional(StaticVector{"-"s, "1"s})
+                     .and_then([](StringVector&& v) -> Optional<StringVector> {
+                       if (v.push_back("4"s)) return v;
+                       return {};
+                     })
+                     .and_then([](const StringVector& v) -> Optional<std::string> {
+                       if (v.full()) return std::accumulate(v.begin(), v.end(), std::string());
+                       return {};
+                     })
+                     .and_then(parse_int)
+                     .and_then([](int i) {
+                       return i > 0 ? std::nullopt : std::make_optional(static_cast<unsigned>(-i));
+                     }));
+}
+
+}  // namespace android::test
diff --git a/libs/ftl/small_map_test.cpp b/libs/ftl/small_map_test.cpp
index 1740a2b..634877f 100644
--- a/libs/ftl/small_map_test.cpp
+++ b/libs/ftl/small_map_test.cpp
@@ -15,12 +15,15 @@
  */
 
 #include <ftl/small_map.h>
+#include <ftl/unit.h>
 #include <gtest/gtest.h>
 
 #include <cctype>
 #include <string>
+#include <string_view>
 
 using namespace std::string_literals;
+using namespace std::string_view_literals;
 
 namespace android::test {
 
@@ -38,7 +41,7 @@
 
   EXPECT_TRUE(map.contains(123));
 
-  EXPECT_EQ(map.get(42, [](const std::string& s) { return s.size(); }), 3u);
+  EXPECT_EQ(map.get(42).transform([](const std::string& s) { return s.size(); }), 3u);
 
   const auto opt = map.get(-1);
   ASSERT_TRUE(opt);
@@ -50,7 +53,7 @@
   map.emplace_or_replace(0, "vanilla", 2u, 3u);
   EXPECT_TRUE(map.dynamic());
 
-  EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz")(0, "nil")(42, "???")(123, "abc")));
+  EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz"sv)(0, "nil"sv)(42, "???"sv)(123, "abc"sv)));
 }
 
 TEST(SmallMap, Construct) {
@@ -70,7 +73,7 @@
     EXPECT_EQ(map.max_size(), 5u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc")(456, "def")(789, "ghi")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc"sv)(456, "def"sv)(789, "ghi"sv)));
   }
   {
     // In-place constructor with different types.
@@ -81,7 +84,7 @@
     EXPECT_EQ(map.max_size(), 5u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???")(123, "abc")(-1, "\0\0\0")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???"sv)(123, "abc"sv)(-1, ""sv)));
   }
   {
     // In-place constructor with implicit size.
@@ -92,7 +95,7 @@
     EXPECT_EQ(map.max_size(), 3u);
     EXPECT_FALSE(map.dynamic());
 
-    EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "\0\0\0")(42, "???")(123, "abc")));
+    EXPECT_EQ(map, SmallMap(ftl::init::map(-1, ""sv)(42, "???"sv)(123, "abc"sv)));
   }
 }
 
@@ -108,7 +111,7 @@
   {
     // Convertible types; same capacity.
     SmallMap map1 = ftl::init::map<char, std::string>('M', "mega")('G', "giga");
-    const SmallMap map2 = ftl::init::map('T', "tera")('P', "peta");
+    const SmallMap map2 = ftl::init::map('T', "tera"sv)('P', "peta"sv);
 
     map1 = map2;
     EXPECT_EQ(map1, map2);
@@ -147,7 +150,7 @@
   }
 }
 
-TEST(SmallMap, Find) {
+TEST(SmallMap, Get) {
   {
     // Constant reference.
     const SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
@@ -172,14 +175,15 @@
     EXPECT_EQ(d, 'D');
   }
   {
-    // Constant unary operation.
+    // Immutable transform operation.
     const SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-    EXPECT_EQ(map.get('c', [](char c) { return std::toupper(c); }), 'Z');
+    EXPECT_EQ(map.get('c').transform([](char c) { return std::toupper(c); }), 'Z');
   }
   {
-    // Mutable unary operation.
+    // Mutable transform operation.
     SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
-    EXPECT_TRUE(map.get('c', [](char& c) { c = std::toupper(c); }));
+    EXPECT_EQ(map.get('c').transform(ftl::unit_fn([](char& c) { c = std::toupper(c); })),
+              ftl::unit);
 
     EXPECT_EQ(map, SmallMap(ftl::init::map('c', 'Z')('b', 'y')('a', 'x')));
   }
@@ -247,7 +251,7 @@
   }
   {
     // Replacement arguments can refer to the replaced mapping.
-    const auto ref = map.get(2, [](const auto& s) { return s.str[0]; });
+    const auto ref = map.get(2).transform([](const String& s) { return s.str[0]; });
     ASSERT_TRUE(ref);
 
     // Construct std::string from one character.
@@ -292,7 +296,7 @@
   }
   {
     // Replacement arguments can refer to the replaced mapping.
-    const auto ref = map.get(2, [](const auto& s) { return s.str[0]; });
+    const auto ref = map.get(2).transform([](const String& s) { return s.str[0]; });
     ASSERT_TRUE(ref);
 
     // Construct std::string from one character.
diff --git a/libs/gralloc/types/Android.bp b/libs/gralloc/types/Android.bp
index bd21fba..3d81c32 100644
--- a/libs/gralloc/types/Android.bp
+++ b/libs/gralloc/types/Android.bp
@@ -23,6 +23,7 @@
 
 cc_library {
     name: "libgralloctypes",
+    defaults: ["android.hardware.graphics.common-ndk_shared"],
     cflags: [
         "-Wall",
         "-Werror",
@@ -51,7 +52,6 @@
     ],
 
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
         "android.hardware.graphics.mapper@4.0",
         "libhidlbase",
         "liblog",
diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index 7f0cac5..4a0a839 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -364,26 +364,61 @@
     return (mUseAngle == YES) ? true : false;
 }
 
+bool GraphicsEnv::angleIsSystemDriver() {
+    // Make sure we are init'ed
+    if (mAngleAppName.empty()) {
+        ALOGV("App name is empty. setAngleInfo() has not been called to enable ANGLE.");
+        return false;
+    }
+
+    return (mAngleIsSystemDriver == YES) ? true : false;
+}
+
+bool GraphicsEnv::shouldForceLegacyDriver() {
+    // Make sure we are init'ed
+    if (mAngleAppName.empty()) {
+        ALOGV("App name is empty. setAngleInfo() has not been called to enable ANGLE.");
+        return false;
+    }
+
+    return (mAngleIsSystemDriver == YES && mUseAngle == NO) ? true : false;
+}
+
+std::string GraphicsEnv::getLegacySuffix() {
+    return mLegacyDriverSuffix;
+}
+
 void GraphicsEnv::updateUseAngle() {
     mUseAngle = NO;
 
     const char* ANGLE_PREFER_ANGLE = "angle";
+    const char* ANGLE_PREFER_LEGACY = "legacy";
+    // The following is a deprecated version of "legacy"
     const char* ANGLE_PREFER_NATIVE = "native";
 
     mUseAngle = NO;
     if (mAngleDeveloperOptIn == ANGLE_PREFER_ANGLE) {
-        ALOGV("User set \"Developer Options\" to force the use of ANGLE");
+        ALOGI("Using ANGLE, the %s GLES driver for package '%s'",
+              mAngleIsSystemDriver == YES ? "system" : "optional", mAngleAppName.c_str());
         mUseAngle = YES;
-    } else if (mAngleDeveloperOptIn == ANGLE_PREFER_NATIVE) {
-        ALOGV("User set \"Developer Options\" to force the use of Native");
+    } else if (mAngleDeveloperOptIn == ANGLE_PREFER_LEGACY ||
+               mAngleDeveloperOptIn == ANGLE_PREFER_NATIVE) {
+        ALOGI("Using the (%s) Legacy GLES driver for package '%s'",
+              mAngleIsSystemDriver == YES ? "optional" : "system", mAngleAppName.c_str());
     } else {
         ALOGV("User set invalid \"Developer Options\": '%s'", mAngleDeveloperOptIn.c_str());
     }
 }
 
 void GraphicsEnv::setAngleInfo(const std::string path, const std::string appName,
-                               const std::string developerOptIn,
+                               const bool angleIsSystemDriver, const std::string developerOptIn,
                                const std::vector<std::string> eglFeatures) {
+    // Set whether ANGLE is the system driver:
+    mAngleIsSystemDriver = angleIsSystemDriver ? YES : NO;
+
+    // Note: Given the current logic and lack of the old rules file processing,
+    // there seems to be little chance that mUseAngle != UNKNOWN.  Leave this
+    // for now, even though it seems outdated.
     if (mUseAngle != UNKNOWN) {
         // We've already figured out an answer for this app, so just return.
         ALOGV("Already evaluated the rules file for '%s': use ANGLE = %s", appName.c_str(),
@@ -404,6 +439,25 @@
     updateUseAngle();
 }
 
+void GraphicsEnv::setLegacyDriverInfo(const std::string appName, const bool angleIsSystemDriver,
+                                      const std::string legacyDriverName) {
+    ALOGV("setting legacy app name to '%s'", appName.c_str());
+    mAngleAppName = appName;
+
+    // Force the use of the legacy driver instead of ANGLE
+    const char* ANGLE_PREFER_LEGACY = "legacy";
+    mAngleDeveloperOptIn = ANGLE_PREFER_LEGACY;
+    ALOGV("setting ANGLE application opt-in to 'legacy'");
+
+    // Set whether ANGLE is the system driver:
+    mAngleIsSystemDriver = angleIsSystemDriver ? YES : NO;
+
+    mLegacyDriverSuffix = legacyDriverName;
+
+    // Update the current status of whether we should use ANGLE or not
+    updateUseAngle();
+}
+
 void GraphicsEnv::setLayerPaths(NativeLoaderNamespace* appNamespace, const std::string layerPaths) {
     if (mLayerPaths.empty()) {
         mLayerPaths = layerPaths;
diff --git a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
index 56d1139..82a6b6c 100644
--- a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
+++ b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
@@ -91,17 +91,28 @@
     bool shouldUseAngle(std::string appName);
     // Check if this app process should use ANGLE.
     bool shouldUseAngle();
+    // If ANGLE is the system GLES driver
+    bool angleIsSystemDriver();
+    // If should use legacy driver instead of a system ANGLE driver
+    bool shouldForceLegacyDriver();
     // Set a search path for loading ANGLE libraries. The path is a list of
     // directories separated by ':'. A directory can be contained in a zip file
     // (libraries must be stored uncompressed and page aligned); such elements
     // in the search path must have a '!' after the zip filename, e.g.
     //     /system/app/ANGLEPrebuilt/ANGLEPrebuilt.apk!/lib/arm64-v8a
-    void setAngleInfo(const std::string path, const std::string appName, std::string devOptIn,
+    void setAngleInfo(const std::string path, const std::string appName,
+                      const bool angleIsSystemDriver, std::string devOptIn,
                       const std::vector<std::string> eglFeatures);
+    // Set the state so that the legacy driver will be used, and in case ANGLE
+    // is the system driver, provide the name of the legacy driver.
+    void setLegacyDriverInfo(const std::string appName, const bool angleIsSystemDriver,
+                             const std::string legacyDriverName);
     // Get the ANGLE driver namespace.
     android_namespace_t* getAngleNamespace();
     // Get the app name for ANGLE debug message.
     std::string& getAngleAppName();
+    // Get the legacy driver's suffix name.
+    std::string getLegacySuffix();
 
     const std::vector<std::string>& getAngleEglFeatures();
 
@@ -156,6 +167,10 @@
     std::string mAngleDeveloperOptIn;
     // ANGLE EGL features;
     std::vector<std::string> mAngleEglFeatures;
+    // ANGLE is System Driver flag.
+    UseAngle mAngleIsSystemDriver = UNKNOWN;
+    // Legacy driver name to use when ANGLE is the system driver.
+    std::string mLegacyDriverSuffix;
     // Use ANGLE flag.
     UseAngle mUseAngle = UNKNOWN;
     // Vulkan debug layers libs.
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index 56b17ae..d3144bb 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -120,6 +120,12 @@
     path: "aidl/",
 }
 
+filegroup {
+    name: "libgui_frame_event_aidl",
+    srcs: ["aidl/android/gui/FrameEvent.aidl"],
+    path: "aidl/",
+}
+
 cc_library_static {
     name: "libgui_aidl_static",
     vendor_available: true,
@@ -136,16 +142,24 @@
         "include",
     ],
 
+    include_dirs: [
+        "frameworks/native/include",
+    ],
+
     export_shared_lib_headers: [
         "libbinder",
     ],
 
     static_libs: [
         "libui-types",
+        "libgui_window_info_static",
     ],
 
     aidl: {
         export_aidl_headers: true,
+        include_dirs: [
+            "frameworks/native/libs/gui",
+        ],
     },
 }
 
@@ -180,19 +194,18 @@
         "BufferHubConsumer.cpp",
         "BufferHubProducer.cpp",
         "BufferItemConsumer.cpp",
+        "CompositorTiming.cpp",
         "ConsumerBase.cpp",
         "CpuConsumer.cpp",
         "DebugEGLImageTracker.cpp",
         "DisplayEventDispatcher.cpp",
         "DisplayEventReceiver.cpp",
-        "FrameTimelineInfo.cpp",
         "GLConsumer.cpp",
         "IConsumerListener.cpp",
         "IGraphicBufferConsumer.cpp",
         "IGraphicBufferProducer.cpp",
         "IProducerListener.cpp",
         "ISurfaceComposer.cpp",
-        "ISurfaceComposerClient.cpp",
         "ITransactionCompletedListener.cpp",
         "LayerDebugInfo.cpp",
         "LayerMetadata.cpp",
@@ -283,10 +296,16 @@
     defaults: ["libgui_bufferqueue-defaults"],
 
     srcs: [
+        ":libgui_frame_event_aidl",
         ":inputconstants_aidl",
         ":libgui_bufferqueue_sources",
-        ":libgui_aidl",
     ],
+
+    aidl: {
+        include_dirs: [
+            "frameworks/native/libs/gui",
+        ],
+    },
 }
 
 filegroup {
@@ -317,6 +336,8 @@
 cc_defaults {
     name: "libgui_bufferqueue-defaults",
 
+    defaults: ["android.hardware.graphics.common-ndk_shared"],
+
     cflags: [
         "-Wall",
         "-Werror",
@@ -345,7 +366,6 @@
         "android.hardware.graphics.bufferqueue@2.0",
         "android.hardware.graphics.common@1.1",
         "android.hardware.graphics.common@1.2",
-        "android.hardware.graphics.common-V3-ndk",
         "android.hidl.token@1.0-utils",
         "libbase",
         "libcutils",
@@ -405,6 +425,7 @@
     ],
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "mock/GraphicBufferConsumer.cpp",
         "mock/GraphicBufferProducer.cpp",
     ],
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index a51bbb1..8b9a878 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -33,6 +33,7 @@
 #include <utils/Trace.h>
 
 #include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 
 #include <chrono>
 
@@ -158,9 +159,8 @@
     id++;
     mBufferItemConsumer->setName(String8(consumerName.c_str()));
     mBufferItemConsumer->setFrameAvailableListener(this);
-    mBufferItemConsumer->setBufferFreedListener(this);
 
-    ComposerService::getComposerService()->getMaxAcquiredBufferCount(&mMaxAcquiredBuffers);
+    ComposerServiceAIDL::getComposerService()->getMaxAcquiredBufferCount(&mMaxAcquiredBuffers);
     mBufferItemConsumer->setMaxAcquiredBufferCount(mMaxAcquiredBuffers);
     mCurrentMaxAcquiredBufferCount = mMaxAcquiredBuffers;
     mNumAcquired = 0;
@@ -590,7 +590,7 @@
         if (dequeueTime != mDequeueTimestamps.end()) {
             Parcel p;
             p.writeInt64(dequeueTime->second);
-            t->setMetadata(mSurfaceControl, METADATA_DEQUEUE_TIME, p);
+            t->setMetadata(mSurfaceControl, gui::METADATA_DEQUEUE_TIME, p);
             mDequeueTimestamps.erase(dequeueTime);
         }
     }
@@ -623,6 +623,7 @@
 }
 
 void BLASTBufferQueue::acquireAndReleaseBuffer() {
+    BBQ_TRACE();
     BufferItem bufferItem;
     status_t status =
             mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
@@ -636,6 +637,7 @@
 }
 
 void BLASTBufferQueue::flushAndWaitForFreeBuffer(std::unique_lock<std::mutex>& lock) {
+    BBQ_TRACE();
     if (!mSyncedFrameNumbers.empty() && mNumFrameAvailable > 0) {
         // We are waiting on a previous sync's transaction callback so allow another sync
         // transaction to proceed.
@@ -666,8 +668,8 @@
     bool waitForTransactionCallback = !mSyncedFrameNumbers.empty();
 
     {
-        BBQ_TRACE();
         std::unique_lock _lock{mMutex};
+        BBQ_TRACE();
         const bool syncTransactionSet = mTransactionReadyCallback != nullptr;
         BQA_LOGV("onFrameAvailable-start syncTransactionSet=%s", boolToString(syncTransactionSet));
 
@@ -1105,51 +1107,6 @@
     return mLastAcquiredFrameNumber;
 }
 
-void BLASTBufferQueue::abandon() {
-    std::unique_lock _lock{mMutex};
-    // flush out the shadow queue
-    while (mNumFrameAvailable > 0) {
-        acquireAndReleaseBuffer();
-    }
-
-    // Clear submitted buffer states
-    mNumAcquired = 0;
-    mSubmitted.clear();
-    mPendingRelease.clear();
-
-    if (!mPendingTransactions.empty()) {
-        BQA_LOGD("Applying pending transactions on abandon %d",
-                 static_cast<uint32_t>(mPendingTransactions.size()));
-        SurfaceComposerClient::Transaction t;
-        mergePendingTransactions(&t, std::numeric_limits<uint64_t>::max() /* frameNumber */);
-        // All transactions on our apply token are one-way. See comment on mAppliedLastTransaction
-        t.setApplyToken(mApplyToken).apply(false, true);
-    }
-
-    // Clear sync states
-    if (!mSyncedFrameNumbers.empty()) {
-        BQA_LOGD("mSyncedFrameNumbers cleared");
-        mSyncedFrameNumbers.clear();
-    }
-
-    if (mSyncTransaction != nullptr) {
-        BQA_LOGD("mSyncTransaction cleared mAcquireSingleBuffer=%s",
-                 mAcquireSingleBuffer ? "true" : "false");
-        mSyncTransaction = nullptr;
-        mAcquireSingleBuffer = false;
-    }
-
-    // abandon buffer queue
-    if (mBufferItemConsumer != nullptr) {
-        mBufferItemConsumer->abandon();
-        mBufferItemConsumer->setFrameAvailableListener(nullptr);
-        mBufferItemConsumer->setBufferFreedListener(nullptr);
-    }
-    mBufferItemConsumer = nullptr;
-    mConsumer = nullptr;
-    mProducer = nullptr;
-}
-
 bool BLASTBufferQueue::isSameSurfaceControl(const sp<SurfaceControl>& surfaceControl) const {
     std::unique_lock _lock{mMutex};
     return SurfaceControl::isSameSurface(mSurfaceControl, surfaceControl);
diff --git a/libs/gui/CompositorTiming.cpp b/libs/gui/CompositorTiming.cpp
new file mode 100644
index 0000000..50f7b25
--- /dev/null
+++ b/libs/gui/CompositorTiming.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "CompositorTiming"
+
+#include <cutils/compiler.h>
+#include <gui/CompositorTiming.h>
+#include <log/log.h>
+
+namespace android::gui {
+
+CompositorTiming::CompositorTiming(nsecs_t vsyncDeadline, nsecs_t vsyncPeriod, nsecs_t vsyncPhase,
+                                   nsecs_t presentLatency) {
+    if (CC_UNLIKELY(vsyncPeriod <= 0)) {
+        ALOGE("Invalid VSYNC period");
+        return;
+    }
+
+    const nsecs_t idealLatency = [=] {
+        // Modulo rounds toward 0 not INT64_MIN, so treat signs separately.
+        if (vsyncPhase < 0) return -vsyncPhase % vsyncPeriod;
+
+        const nsecs_t latency = (vsyncPeriod - vsyncPhase) % vsyncPeriod;
+        return latency > 0 ? latency : vsyncPeriod;
+    }();
+
+    // Snap the latency to a value that removes scheduling jitter from the composite and present
+    // times, which often have >1ms of jitter. Reducing jitter is important if an app attempts to
+    // extrapolate something like user input to an accurate present time. Snapping also allows an
+    // app to precisely calculate vsyncPhase with (presentLatency % interval).
+    const nsecs_t bias = vsyncPeriod / 2;
+    const nsecs_t extraVsyncs = (presentLatency - idealLatency + bias) / vsyncPeriod;
+    const nsecs_t snappedLatency =
+            extraVsyncs > 0 ? idealLatency + extraVsyncs * vsyncPeriod : idealLatency;
+
+    this->deadline = vsyncDeadline - idealLatency;
+    this->interval = vsyncPeriod;
+    this->presentLatency = snappedLatency;
+}
+
+} // namespace android::gui
diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index dfdce20..501e69a 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -35,11 +35,14 @@
 
 static constexpr nsecs_t WAITING_FOR_VSYNC_TIMEOUT = ms2ns(300);
 
-DisplayEventDispatcher::DisplayEventDispatcher(
-        const sp<Looper>& looper, ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration)
-      : mLooper(looper), mReceiver(vsyncSource, eventRegistration), mWaitingForVsync(false),
-        mLastVsyncCount(0), mLastScheduleVsyncTime(0) {
+DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
+                                               gui::ISurfaceComposer::VsyncSource vsyncSource,
+                                               EventRegistrationFlags eventRegistration)
+      : mLooper(looper),
+        mReceiver(vsyncSource, eventRegistration),
+        mWaitingForVsync(false),
+        mLastVsyncCount(0),
+        mLastScheduleVsyncTime(0) {
     ALOGV("dispatcher %p ~ Initializing display event dispatcher.", this);
 }
 
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index bfb7769..c52fb6b 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -19,10 +19,9 @@
 #include <utils/Errors.h>
 
 #include <gui/DisplayEventReceiver.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/VsyncEventData.h>
 
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 
 #include <private/gui/BitTube.h>
 
@@ -32,15 +31,20 @@
 
 // ---------------------------------------------------------------------------
 
-DisplayEventReceiver::DisplayEventReceiver(
-        ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+DisplayEventReceiver::DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource,
+                                           EventRegistrationFlags eventRegistration) {
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr) {
-        mEventConnection = sf->createDisplayEventConnection(vsyncSource, eventRegistration);
+        mEventConnection = nullptr;
+        binder::Status status =
+                sf->createDisplayEventConnection(vsyncSource,
+                                                 static_cast<
+                                                         gui::ISurfaceComposer::EventRegistration>(
+                                                         eventRegistration.get()),
+                                                 &mEventConnection);
         if (mEventConnection != nullptr) {
             mDataChannel = std::make_unique<gui::BitTube>();
-            const auto status = mEventConnection->stealReceiveChannel(mDataChannel.get());
+            status = mEventConnection->stealReceiveChannel(mDataChannel.get());
             if (!status.isOk()) {
                 ALOGE("stealReceiveChannel failed: %s", status.toString8().c_str());
                 mInitError = std::make_optional<status_t>(status.transactionError());
diff --git a/libs/gui/FrameTimelineInfo.cpp b/libs/gui/FrameTimelineInfo.cpp
deleted file mode 100644
index 3800b88..0000000
--- a/libs/gui/FrameTimelineInfo.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "FrameTimelineInfo"
-
-#include <inttypes.h>
-
-#include <android/os/IInputConstants.h>
-#include <gui/FrameTimelineInfo.h>
-#include <gui/LayerState.h>
-#include <private/gui/ParcelUtils.h>
-#include <utils/Errors.h>
-
-#include <cmath>
-
-using android::os::IInputConstants;
-
-namespace android {
-
-status_t FrameTimelineInfo::write(Parcel& output) const {
-    SAFE_PARCEL(output.writeInt64, vsyncId);
-    SAFE_PARCEL(output.writeInt32, inputEventId);
-    SAFE_PARCEL(output.writeInt64, startTimeNanos);
-    return NO_ERROR;
-}
-
-status_t FrameTimelineInfo::read(const Parcel& input) {
-    SAFE_PARCEL(input.readInt64, &vsyncId);
-    SAFE_PARCEL(input.readInt32, &inputEventId);
-    SAFE_PARCEL(input.readInt64, &startTimeNanos);
-    return NO_ERROR;
-}
-
-void FrameTimelineInfo::merge(const FrameTimelineInfo& other) {
-    // When merging vsync Ids we take the oldest valid one
-    if (vsyncId != INVALID_VSYNC_ID && other.vsyncId != INVALID_VSYNC_ID) {
-        if (other.vsyncId > vsyncId) {
-            vsyncId = other.vsyncId;
-            inputEventId = other.inputEventId;
-            startTimeNanos = other.startTimeNanos;
-        }
-    } else if (vsyncId == INVALID_VSYNC_ID) {
-        vsyncId = other.vsyncId;
-        inputEventId = other.inputEventId;
-        startTimeNanos = other.startTimeNanos;
-    }
-}
-
-void FrameTimelineInfo::clear() {
-    vsyncId = INVALID_VSYNC_ID;
-    inputEventId = IInputConstants::INVALID_INPUT_EVENT_ID;
-    startTimeNanos = 0;
-}
-
-}; // namespace android
diff --git a/libs/gui/GLConsumerUtils.cpp b/libs/gui/GLConsumerUtils.cpp
index 7a06c3d..a1c69e7 100644
--- a/libs/gui/GLConsumerUtils.cpp
+++ b/libs/gui/GLConsumerUtils.cpp
@@ -27,6 +27,13 @@
 void GLConsumer::computeTransformMatrix(float outTransform[16],
         const sp<GraphicBuffer>& buf, const Rect& cropRect, uint32_t transform,
         bool filtering) {
+    computeTransformMatrix(outTransform, buf->getWidth(), buf->getHeight(), buf->getPixelFormat(),
+                           cropRect, transform, filtering);
+}
+
+void GLConsumer::computeTransformMatrix(float outTransform[16], float bufferWidth,
+                                        float bufferHeight, PixelFormat pixelFormat,
+                                        const Rect& cropRect, uint32_t transform, bool filtering) {
     // Transform matrices
     static const mat4 mtxFlipH(
         -1, 0, 0, 0,
@@ -60,8 +67,6 @@
 
     if (!cropRect.isEmpty()) {
         float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
-        float bufferWidth = buf->getWidth();
-        float bufferHeight = buf->getHeight();
         float shrinkAmount = 0.0f;
         if (filtering) {
             // In order to prevent bilinear sampling beyond the edge of the
@@ -70,7 +75,7 @@
             // off each end, but because the chroma channels of YUV420 images
             // are subsampled we may need to shrink the crop region by a whole
             // texel on each side.
-            switch (buf->getPixelFormat()) {
+            switch (pixelFormat) {
                 case PIXEL_FORMAT_RGBA_8888:
                 case PIXEL_FORMAT_RGBX_8888:
                 case PIXEL_FORMAT_RGBA_FP16:
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 24d39fe..af64b3b 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -25,8 +25,6 @@
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
-#include <gui/LayerDebugInfo.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <stdint.h>
@@ -37,7 +35,6 @@
 #include <ui/DisplayState.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <ui/HdrCapabilities.h>
-#include <ui/StaticDisplayInfo.h>
 #include <utils/Log.h>
 
 // ---------------------------------------------------------------------------
@@ -63,14 +60,6 @@
 
     virtual ~BpSurfaceComposer();
 
-    virtual sp<ISurfaceComposerClient> createConnection()
-    {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
-        return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
-    }
-
     status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
                                  const Vector<ComposerState>& state,
                                  const Vector<DisplayState>& displays, uint32_t flags,
@@ -82,7 +71,7 @@
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
 
-        SAFE_PARCEL(frameTimelineInfo.write, data);
+        frameTimelineInfo.writeToParcel(&data);
 
         SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(state.size()));
         for (const auto& s : state) {
@@ -119,905 +108,6 @@
                     data, &reply);
         }
     }
-
-    void bootFinished() override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
-    }
-
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& bufferProducer) const override {
-        Parcel data, reply;
-        int err = NO_ERROR;
-        err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
-                    "interface descriptor: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        err = data.writeStrongBinder(IInterface::asBinder(bufferProducer));
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
-                    "strong binder to parcel: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
-                &reply);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
-                    "performing transaction: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
-                    "retrieving result: %s (%d)", strerror(-err), -err);
-            return false;
-        }
-        return result != 0;
-    }
-
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override {
-        if (!outSupported) {
-            return UNEXPECTED_NULL;
-        }
-        outSupported->clear();
-
-        Parcel data, reply;
-
-        status_t err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        err = remote()->transact(
-                BnSurfaceComposer::GET_SUPPORTED_FRAME_TIMESTAMPS,
-                data, &reply);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            return err;
-        }
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        std::vector<int32_t> supported;
-        err = reply.readInt32Vector(&supported);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        outSupported->reserve(supported.size());
-        for (int32_t s : supported) {
-            outSupported->push_back(static_cast<FrameEvent>(s));
-        }
-        return NO_ERROR;
-    }
-
-    sp<IDisplayEventConnection> createDisplayEventConnection(
-            VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) override {
-        Parcel data, reply;
-        sp<IDisplayEventConnection> result;
-        int err = data.writeInterfaceToken(
-                ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return result;
-        }
-        data.writeInt32(static_cast<int32_t>(vsyncSource));
-        data.writeUint32(eventRegistration.get());
-        err = remote()->transact(
-                BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION,
-                data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing "
-                    "transaction: %s (%d)", strerror(-err), -err);
-            return result;
-        }
-        result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder());
-        return result;
-    }
-
-    status_t getStaticDisplayInfo(const sp<IBinder>& display,
-                                  ui::StaticDisplayInfo* info) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        remote()->transact(BnSurfaceComposer::GET_STATIC_DISPLAY_INFO, data, &reply);
-        const status_t result = reply.readInt32();
-        if (result != NO_ERROR) return result;
-        return reply.read(*info);
-    }
-
-    status_t getDynamicDisplayInfo(const sp<IBinder>& display,
-                                   ui::DynamicDisplayInfo* info) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        remote()->transact(BnSurfaceComposer::GET_DYNAMIC_DISPLAY_INFO, data, &reply);
-        const status_t result = reply.readInt32();
-        if (result != NO_ERROR) return result;
-        return reply.read(*info);
-    }
-
-    status_t getDisplayNativePrimaries(const sp<IBinder>& display,
-                                       ui::DisplayPrimaries& primaries) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::GET_DISPLAY_NATIVE_PRIMARIES, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("getDisplayNativePrimaries failed to transact: %d", result);
-            return result;
-        }
-        result = reply.readInt32();
-        if (result == NO_ERROR) {
-            memcpy(&primaries, reply.readInplace(sizeof(ui::DisplayPrimaries)),
-                    sizeof(ui::DisplayPrimaries));
-        }
-        return result;
-    }
-
-    status_t setActiveColorMode(const sp<IBinder>& display, ColorMode colorMode) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = data.writeInt32(static_cast<int32_t>(colorMode));
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to writeInt32: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::SET_ACTIVE_COLOR_MODE, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setActiveColorMode failed to transact: %d", result);
-            return result;
-        }
-        return static_cast<status_t>(reply.readInt32());
-    }
-
-    status_t setBootDisplayMode(const sp<IBinder>& display,
-                                ui::DisplayModeId displayModeId) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(display);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = data.writeInt32(displayModeId);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to writeIint32: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::SET_BOOT_DISPLAY_MODE, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setBootDisplayMode failed to transact: %d", result);
-        }
-        return result;
-    }
-
-    status_t clearAnimationFrameStats() override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("clearAnimationFrameStats failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("clearAnimationFrameStats failed to transact: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getAnimationFrameStats(FrameStats* outStats) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::GET_ANIMATION_FRAME_STATS, data, &reply);
-        reply.read(*outStats);
-        return reply.readInt32();
-    }
-
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, display);
-
-        std::vector<int32_t> hdrTypesVector;
-        for (ui::Hdr i : hdrTypes) {
-            hdrTypesVector.push_back(static_cast<int32_t>(i));
-        }
-        SAFE_PARCEL(data.writeInt32Vector, hdrTypesVector);
-
-        status_t result = remote()->transact(BnSurfaceComposer::OVERRIDE_HDR_TYPES, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("overrideHdrTypes failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeInt32, atomId);
-
-        status_t err = remote()->transact(BnSurfaceComposer::ON_PULL_ATOM, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("onPullAtom failed to transact: %d", err);
-            return err;
-        }
-
-        int32_t size = 0;
-        SAFE_PARCEL(reply.readInt32, &size);
-        const void* dataPtr = reply.readInplace(size);
-        if (dataPtr == nullptr) {
-            return UNEXPECTED_NULL;
-        }
-        pulledData->assign((const char*)dataPtr, size);
-        SAFE_PARCEL(reply.readBool, success);
-        return NO_ERROR;
-    }
-
-    status_t enableVSyncInjections(bool enable) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeBool(enable);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeBool: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t injectVSync(nsecs_t when) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeInt64(when);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInt64: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::INJECT_VSYNC, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override {
-        if (!outLayers) {
-            return UNEXPECTED_NULL;
-        }
-
-        Parcel data, reply;
-
-        status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        err = remote()->transact(BnSurfaceComposer::GET_LAYER_DEBUG_INFO, data, &reply);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            return err;
-        }
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        outLayers->clear();
-        return reply.readParcelableVector(outLayers);
-    }
-
-    status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                      ui::PixelFormat* defaultPixelFormat,
-                                      ui::Dataspace* wideColorGamutDataspace,
-                                      ui::PixelFormat* wideColorGamutPixelFormat) const override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::GET_COMPOSITION_PREFERENCE, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = static_cast<status_t>(reply.readInt32());
-        if (error == NO_ERROR) {
-            *defaultDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *defaultPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-            *wideColorGamutDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-        }
-        return error;
-    }
-
-    status_t getColorManagement(bool* outGetColorManagement) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::GET_COLOR_MANAGEMENT, data, &reply);
-        bool result;
-        status_t err = reply.readBool(&result);
-        if (err == NO_ERROR) {
-            *outGetColorManagement = result;
-        }
-        return err;
-    }
-
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                   ui::PixelFormat* outFormat,
-                                                   ui::Dataspace* outDataspace,
-                                                   uint8_t* outComponentMask) const override {
-        if (!outFormat || !outDataspace || !outComponentMask) return BAD_VALUE;
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-                                   data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-
-        uint32_t value = 0;
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outFormat = static_cast<ui::PixelFormat>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outDataspace = static_cast<ui::Dataspace>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outComponentMask = static_cast<uint8_t>(value);
-        return error;
-    }
-
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                              uint8_t componentMask, uint64_t maxFrames) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        data.writeBool(enable);
-        data.writeByte(static_cast<int8_t>(componentMask));
-        data.writeUint64(maxFrames);
-        status_t result =
-                remote()->transact(BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED, data,
-                                   &reply);
-        return result;
-    }
-
-    status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
-                                       uint64_t timestamp,
-                                       DisplayedFrameStats* outStats) const override {
-        if (!outStats) return BAD_VALUE;
-
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        data.writeUint64(maxFrames);
-        data.writeUint64(timestamp);
-
-        status_t result =
-                remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLE, data, &reply);
-
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        result = reply.readUint64(&outStats->numFrames);
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        result = reply.readUint64Vector(&outStats->component_0_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_1_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_2_sample);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readUint64Vector(&outStats->component_3_sample);
-        return result;
-    }
-
-    status_t getProtectedContentSupport(bool* outSupported) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_PROTECTED_CONTENT_SUPPORT, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = reply.readBool(outSupported);
-        return error;
-    }
-
-    status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
-                                       const sp<IRegionSamplingListener>& listener) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write interface token");
-            return error;
-        }
-        error = data.write(samplingArea);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write sampling area");
-            return error;
-        }
-        error = data.writeStrongBinder(stopLayerHandle);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write stop layer handle");
-            return error;
-        }
-        error = data.writeStrongBinder(IInterface::asBinder(listener));
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to write listener");
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::ADD_REGION_SAMPLING_LISTENER, data, &reply);
-        if (error != NO_ERROR) {
-            ALOGE("addRegionSamplingListener: Failed to transact");
-        }
-        return error;
-    }
-
-    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to write interface token");
-            return error;
-        }
-        error = data.writeStrongBinder(IInterface::asBinder(listener));
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to write listener");
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::REMOVE_REGION_SAMPLING_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("removeRegionSamplingListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeInt32, taskId);
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::ADD_FPS_LISTENER, data, &reply);
-        if (error != OK) {
-            ALOGE("addFpsListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t removeFpsListener(const sp<gui::IFpsListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::REMOVE_FPS_LISTENER, data, &reply);
-        if (error != OK) {
-            ALOGE("removeFpsListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::ADD_TUNNEL_MODE_ENABLED_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("addTunnelModeEnabledListener: Failed to transact");
-        }
-        return error;
-    }
-
-    virtual status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        const status_t error =
-                remote()->transact(BnSurfaceComposer::REMOVE_TUNNEL_MODE_ENABLED_LISTENER, data,
-                                   &reply);
-        if (error != NO_ERROR) {
-            ALOGE("removeTunnelModeEnabledListener: Failed to transact");
-        }
-        return error;
-    }
-
-    status_t setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId defaultMode, bool allowGroupSwitching,
-                                        float primaryRefreshRateMin, float primaryRefreshRateMax,
-                                        float appRequestRefreshRateMin,
-                                        float appRequestRefreshRateMax) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs: failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs: failed to write display token: %d", result);
-            return result;
-        }
-        result = data.writeInt32(defaultMode);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write defaultMode: %d", result);
-            return result;
-        }
-        result = data.writeBool(allowGroupSwitching);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write allowGroupSwitching: %d", result);
-            return result;
-        }
-        result = data.writeFloat(primaryRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write primaryRefreshRateMin: %d", result);
-            return result;
-        }
-        result = data.writeFloat(primaryRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write primaryRefreshRateMax: %d", result);
-            return result;
-        }
-        result = data.writeFloat(appRequestRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write appRequestRefreshRateMin: %d",
-                  result);
-            return result;
-        }
-        result = data.writeFloat(appRequestRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to write appRequestRefreshRateMax: %d",
-                  result);
-            return result;
-        }
-
-        result =
-                remote()->transact(BnSurfaceComposer::SET_DESIRED_DISPLAY_MODE_SPECS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayModeSpecs failed to transact: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                        ui::DisplayModeId* outDefaultMode,
-                                        bool* outAllowGroupSwitching,
-                                        float* outPrimaryRefreshRateMin,
-                                        float* outPrimaryRefreshRateMax,
-                                        float* outAppRequestRefreshRateMin,
-                                        float* outAppRequestRefreshRateMax) override {
-        if (!outDefaultMode || !outAllowGroupSwitching || !outPrimaryRefreshRateMin ||
-            !outPrimaryRefreshRateMax || !outAppRequestRefreshRateMin ||
-            !outAppRequestRefreshRateMax) {
-            return BAD_VALUE;
-        }
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result =
-                remote()->transact(BnSurfaceComposer::GET_DESIRED_DISPLAY_MODE_SPECS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to transact: %d", result);
-            return result;
-        }
-
-        result = reply.readInt32(outDefaultMode);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read defaultMode: %d", result);
-            return result;
-        }
-        if (*outDefaultMode < 0) {
-            ALOGE("%s: defaultMode must be non-negative but it was %d", __func__, *outDefaultMode);
-            return BAD_VALUE;
-        }
-
-        result = reply.readBool(outAllowGroupSwitching);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read allowGroupSwitching: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outPrimaryRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read primaryRefreshRateMin: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outPrimaryRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read primaryRefreshRateMax: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outAppRequestRefreshRateMin);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read appRequestRefreshRateMin: %d", result);
-            return result;
-        }
-        result = reply.readFloat(outAppRequestRefreshRateMax);
-        if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayModeSpecs failed to read appRequestRefreshRateMax: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                     float lightPosY, float lightPosZ, float lightRadius) override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to write interface token: %d", error);
-            return error;
-        }
-
-        std::vector<float> shadowConfig = {ambientColor.r, ambientColor.g, ambientColor.b,
-                                           ambientColor.a, spotColor.r,    spotColor.g,
-                                           spotColor.b,    spotColor.a,    lightPosY,
-                                           lightPosZ,      lightRadius};
-
-        error = data.writeFloatVector(shadowConfig);
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to write shadowConfig: %d", error);
-            return error;
-        }
-
-        error = remote()->transact(BnSurfaceComposer::SET_GLOBAL_SHADOW_SETTINGS, data, &reply,
-                                   IBinder::FLAG_ONEWAY);
-        if (error != NO_ERROR) {
-            ALOGE("setGlobalShadowSettings: failed to transact: %d", error);
-            return error;
-        }
-        return NO_ERROR;
-    }
-
-    status_t getDisplayDecorationSupport(
-            const sp<IBinder>& displayToken,
-            std::optional<common::DisplayDecorationSupport>* outSupport) const override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to write interface token: %d", error);
-            return error;
-        }
-        error = data.writeStrongBinder(displayToken);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to write display token: %d", error);
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::GET_DISPLAY_DECORATION_SUPPORT, data, &reply);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to transact: %d", error);
-            return error;
-        }
-        bool support;
-        error = reply.readBool(&support);
-        if (error != NO_ERROR) {
-            ALOGE("getDisplayDecorationSupport: failed to read support: %d", error);
-            return error;
-        }
-
-        if (support) {
-            int32_t format, alphaInterpretation;
-            error = reply.readInt32(&format);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport: failed to read format: %d", error);
-                return error;
-            }
-            error = reply.readInt32(&alphaInterpretation);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport: failed to read alphaInterpretation: %d", error);
-                return error;
-            }
-            outSupport->emplace();
-            outSupport->value().format = static_cast<common::PixelFormat>(format);
-            outSupport->value().alphaInterpretation =
-                    static_cast<common::AlphaInterpretation>(alphaInterpretation);
-        } else {
-            outSupport->reset();
-        }
-        return NO_ERROR;
-    }
-
-    status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                          int8_t compatibility, int8_t changeFrameRateStrategy) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(surface));
-        SAFE_PARCEL(data.writeFloat, frameRate);
-        SAFE_PARCEL(data.writeByte, compatibility);
-        SAFE_PARCEL(data.writeByte, changeFrameRateStrategy);
-
-        status_t err = remote()->transact(BnSurfaceComposer::SET_FRAME_RATE, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("setFrameRate: failed to transact: %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32();
-    }
-
-    status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                  const FrameTimelineInfo& frameTimelineInfo) override {
-        Parcel data, reply;
-        status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed writing interface token: %s (%d)", __func__, strerror(-err), -err);
-            return err;
-        }
-
-        err = data.writeStrongBinder(IInterface::asBinder(surface));
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed writing strong binder: %s (%d)", __func__, strerror(-err), -err);
-            return err;
-        }
-
-        SAFE_PARCEL(frameTimelineInfo.write, data);
-
-        err = remote()->transact(BnSurfaceComposer::SET_FRAME_TIMELINE_INFO, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("%s: failed to transact: %s (%d)", __func__, strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32();
-    }
-
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));
-
-        return remote()->transact(BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER, data, &reply);
-    }
-
-    /**
-     * Get priority of the RenderEngine in surface flinger.
-     */
-    int getGPUContextPriority() override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t err =
-                remote()->transact(BnSurfaceComposer::GET_GPU_CONTEXT_PRIORITY, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("getGPUContextPriority failed to read data:  %s (%d)", strerror(-err), err);
-            return 0;
-        }
-        return reply.readInt32();
-    }
-
-    status_t getMaxAcquiredBufferCount(int* buffers) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t err =
-                remote()->transact(BnSurfaceComposer::GET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("getMaxAcquiredBufferCount failed to read data:  %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return reply.readInt32(buffers);
-    }
-
-    status_t addWindowInfosListener(
-            const sp<IWindowInfosListener>& windowInfosListener) const override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(windowInfosListener));
-        return remote()->transact(BnSurfaceComposer::ADD_WINDOW_INFOS_LISTENER, data, &reply);
-    }
-
-    status_t removeWindowInfosListener(
-            const sp<IWindowInfosListener>& windowInfosListener) const override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(windowInfosListener));
-        return remote()->transact(BnSurfaceComposer::REMOVE_WINDOW_INFOS_LISTENER, data, &reply);
-    }
-
-    status_t setOverrideFrameRate(uid_t uid, float frameRate) override {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeUint32, uid);
-        SAFE_PARCEL(data.writeFloat, frameRate);
-
-        status_t err = remote()->transact(BnSurfaceComposer::SET_OVERRIDE_FRAME_RATE, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("setOverrideFrameRate: failed to transact %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        return NO_ERROR;
-    }
 };
 
 // Out-of-line virtual method definition to trigger vtable emission in this
@@ -1031,18 +121,12 @@
 status_t BnSurfaceComposer::onTransact(
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
-    switch(code) {
-        case CREATE_CONNECTION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> b = IInterface::asBinder(createConnection());
-            reply->writeStrongBinder(b);
-            return NO_ERROR;
-        }
+    switch (code) {
         case SET_TRANSACTION_STATE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
 
             FrameTimelineInfo frameTimelineInfo;
-            SAFE_PARCEL(frameTimelineInfo.read, data);
+            frameTimelineInfo.readFromParcel(&data);
 
             uint32_t count = 0;
             SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
@@ -1102,642 +186,6 @@
                                        uncachedBuffer, hasListenerCallbacks, listenerCallbacks,
                                        transactionId);
         }
-        case BOOT_FINISHED: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bootFinished();
-            return NO_ERROR;
-        }
-        case AUTHENTICATE_SURFACE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IGraphicBufferProducer> bufferProducer =
-                    interface_cast<IGraphicBufferProducer>(data.readStrongBinder());
-            int32_t result = authenticateSurfaceTexture(bufferProducer) ? 1 : 0;
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case GET_SUPPORTED_FRAME_TIMESTAMPS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            std::vector<FrameEvent> supportedTimestamps;
-            status_t result = getSupportedFrameTimestamps(&supportedTimestamps);
-            status_t err = reply->writeInt32(result);
-            if (err != NO_ERROR) {
-                return err;
-            }
-            if (result != NO_ERROR) {
-                return result;
-            }
-
-            std::vector<int32_t> supported;
-            supported.reserve(supportedTimestamps.size());
-            for (FrameEvent s : supportedTimestamps) {
-                supported.push_back(static_cast<int32_t>(s));
-            }
-            return reply->writeInt32Vector(supported);
-        }
-        case CREATE_DISPLAY_EVENT_CONNECTION: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            auto vsyncSource = static_cast<ISurfaceComposer::VsyncSource>(data.readInt32());
-            EventRegistrationFlags eventRegistration =
-                    static_cast<EventRegistration>(data.readUint32());
-
-            sp<IDisplayEventConnection> connection(
-                    createDisplayEventConnection(vsyncSource, eventRegistration));
-            reply->writeStrongBinder(IInterface::asBinder(connection));
-            return NO_ERROR;
-        }
-        case GET_STATIC_DISPLAY_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::StaticDisplayInfo info;
-            const sp<IBinder> display = data.readStrongBinder();
-            const status_t result = getStaticDisplayInfo(display, &info);
-            SAFE_PARCEL(reply->writeInt32, result);
-            if (result != NO_ERROR) return result;
-            SAFE_PARCEL(reply->write, info);
-            return NO_ERROR;
-        }
-        case GET_DYNAMIC_DISPLAY_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::DynamicDisplayInfo info;
-            const sp<IBinder> display = data.readStrongBinder();
-            const status_t result = getDynamicDisplayInfo(display, &info);
-            SAFE_PARCEL(reply->writeInt32, result);
-            if (result != NO_ERROR) return result;
-            SAFE_PARCEL(reply->write, info);
-            return NO_ERROR;
-        }
-        case GET_DISPLAY_NATIVE_PRIMARIES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::DisplayPrimaries primaries;
-            sp<IBinder> display = nullptr;
-
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayNativePrimaries failed to readStrongBinder: %d", result);
-                return result;
-            }
-
-            result = getDisplayNativePrimaries(display, primaries);
-            reply->writeInt32(result);
-            if (result == NO_ERROR) {
-                memcpy(reply->writeInplace(sizeof(ui::DisplayPrimaries)), &primaries,
-                        sizeof(ui::DisplayPrimaries));
-            }
-
-            return NO_ERROR;
-        }
-        case SET_ACTIVE_COLOR_MODE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("getActiveColorMode failed to readStrongBinder: %d", result);
-                return result;
-            }
-            int32_t colorModeInt = 0;
-            result = data.readInt32(&colorModeInt);
-            if (result != NO_ERROR) {
-                ALOGE("setActiveColorMode failed to readInt32: %d", result);
-                return result;
-            }
-            result = setActiveColorMode(display,
-                    static_cast<ColorMode>(colorModeInt));
-            result = reply->writeInt32(result);
-            return result;
-        }
-        case SET_BOOT_DISPLAY_MODE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("setBootDisplayMode failed to readStrongBinder: %d", result);
-                return result;
-            }
-            ui::DisplayModeId displayModeId;
-            result = data.readInt32(&displayModeId);
-            if (result != NO_ERROR) {
-                ALOGE("setBootDisplayMode failed to readInt32: %d", result);
-                return result;
-            }
-            return setBootDisplayMode(display, displayModeId);
-        }
-        case CLEAR_ANIMATION_FRAME_STATS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            status_t result = clearAnimationFrameStats();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case GET_ANIMATION_FRAME_STATS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            FrameStats stats;
-            status_t result = getAnimationFrameStats(&stats);
-            reply->write(stats);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case ENABLE_VSYNC_INJECTIONS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool enable = false;
-            status_t result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readBool: %d", result);
-                return result;
-            }
-            return enableVSyncInjections(enable);
-        }
-        case INJECT_VSYNC: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int64_t when = 0;
-            status_t result = data.readInt64(&when);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readInt64: %d", result);
-                return result;
-            }
-            return injectVSync(when);
-        }
-        case GET_LAYER_DEBUG_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            std::vector<LayerDebugInfo> outLayers;
-            status_t result = getLayerDebugInfo(&outLayers);
-            reply->writeInt32(result);
-            if (result == NO_ERROR)
-            {
-                result = reply->writeParcelableVector(outLayers);
-            }
-            return result;
-        }
-        case GET_COMPOSITION_PREFERENCE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::Dataspace defaultDataspace;
-            ui::PixelFormat defaultPixelFormat;
-            ui::Dataspace wideColorGamutDataspace;
-            ui::PixelFormat wideColorGamutPixelFormat;
-            status_t error =
-                    getCompositionPreference(&defaultDataspace, &defaultPixelFormat,
-                                             &wideColorGamutDataspace, &wideColorGamutPixelFormat);
-            reply->writeInt32(error);
-            if (error == NO_ERROR) {
-                reply->writeInt32(static_cast<int32_t>(defaultDataspace));
-                reply->writeInt32(static_cast<int32_t>(defaultPixelFormat));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutDataspace));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutPixelFormat));
-            }
-            return error;
-        }
-        case GET_COLOR_MANAGEMENT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getColorManagement(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
-        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = data.readStrongBinder();
-            ui::PixelFormat format;
-            ui::Dataspace dataspace;
-            uint8_t component = 0;
-            auto result =
-                    getDisplayedContentSamplingAttributes(display, &format, &dataspace, &component);
-            if (result == NO_ERROR) {
-                reply->writeUint32(static_cast<uint32_t>(format));
-                reply->writeUint32(static_cast<uint32_t>(dataspace));
-                reply->writeUint32(static_cast<uint32_t>(component));
-            }
-            return result;
-        }
-        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = nullptr;
-            bool enable = false;
-            int8_t componentMask = 0;
-            uint64_t maxFrames = 0;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading Display token: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading enable: %d", result);
-                return result;
-            }
-
-            result = data.readByte(static_cast<int8_t*>(&componentMask));
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading component mask: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readUint64(&maxFrames);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading max frames: %d", result);
-                return result;
-            }
-
-            return setDisplayContentSamplingEnabled(display, enable,
-                                                    static_cast<uint8_t>(componentMask), maxFrames);
-        }
-        case GET_DISPLAYED_CONTENT_SAMPLE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = data.readStrongBinder();
-            uint64_t maxFrames = 0;
-            uint64_t timestamp = 0;
-
-            status_t result = data.readUint64(&maxFrames);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayedContentSample failure in reading max frames: %d", result);
-                return result;
-            }
-
-            result = data.readUint64(&timestamp);
-            if (result != NO_ERROR) {
-                ALOGE("getDisplayedContentSample failure in reading timestamp: %d", result);
-                return result;
-            }
-
-            DisplayedFrameStats stats;
-            result = getDisplayedContentSample(display, maxFrames, timestamp, &stats);
-            if (result == NO_ERROR) {
-                reply->writeUint64(stats.numFrames);
-                reply->writeUint64Vector(stats.component_0_sample);
-                reply->writeUint64Vector(stats.component_1_sample);
-                reply->writeUint64Vector(stats.component_2_sample);
-                reply->writeUint64Vector(stats.component_3_sample);
-            }
-            return result;
-        }
-        case GET_PROTECTED_CONTENT_SUPPORT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getProtectedContentSupport(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
-        case ADD_REGION_SAMPLING_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            Rect samplingArea;
-            status_t result = data.read(samplingArea);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read sampling area");
-                return result;
-            }
-            sp<IBinder> stopLayerHandle;
-            result = data.readNullableStrongBinder(&stopLayerHandle);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read stop layer handle");
-                return result;
-            }
-            sp<IRegionSamplingListener> listener;
-            result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addRegionSamplingListener: Failed to read listener");
-                return result;
-            }
-            return addRegionSamplingListener(samplingArea, stopLayerHandle, listener);
-        }
-        case REMOVE_REGION_SAMPLING_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IRegionSamplingListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeRegionSamplingListener: Failed to read listener");
-                return result;
-            }
-            return removeRegionSamplingListener(listener);
-        }
-        case ADD_FPS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int32_t taskId;
-            status_t result = data.readInt32(&taskId);
-            if (result != NO_ERROR) {
-                ALOGE("addFpsListener: Failed to read layer handle");
-                return result;
-            }
-            sp<gui::IFpsListener> listener;
-            result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addFpsListener: Failed to read listener");
-                return result;
-            }
-            return addFpsListener(taskId, listener);
-        }
-        case REMOVE_FPS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::IFpsListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeFpsListener: Failed to read listener");
-                return result;
-            }
-            return removeFpsListener(listener);
-        }
-        case ADD_TUNNEL_MODE_ENABLED_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITunnelModeEnabledListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("addTunnelModeEnabledListener: Failed to read listener");
-                return result;
-            }
-            return addTunnelModeEnabledListener(listener);
-        }
-        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITunnelModeEnabledListener> listener;
-            status_t result = data.readNullableStrongBinder(&listener);
-            if (result != NO_ERROR) {
-                ALOGE("removeTunnelModeEnabledListener: Failed to read listener");
-                return result;
-            }
-            return removeTunnelModeEnabledListener(listener);
-        }
-        case SET_DESIRED_DISPLAY_MODE_SPECS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            ui::DisplayModeId defaultMode;
-            status_t result = data.readInt32(&defaultMode);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read defaultMode: %d", result);
-                return result;
-            }
-            if (defaultMode < 0) {
-                ALOGE("%s: defaultMode must be non-negative but it was %d", __func__, defaultMode);
-                return BAD_VALUE;
-            }
-            bool allowGroupSwitching;
-            result = data.readBool(&allowGroupSwitching);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read allowGroupSwitching: %d", result);
-                return result;
-            }
-            float primaryRefreshRateMin;
-            result = data.readFloat(&primaryRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read primaryRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            float primaryRefreshRateMax;
-            result = data.readFloat(&primaryRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read primaryRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            float appRequestRefreshRateMin;
-            result = data.readFloat(&appRequestRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read appRequestRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            float appRequestRefreshRateMax;
-            result = data.readFloat(&appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to read appRequestRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            result = setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
-                                                primaryRefreshRateMin, primaryRefreshRateMax,
-                                                appRequestRefreshRateMin, appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayModeSpecs: failed to call setDesiredDisplayModeSpecs: "
-                      "%d",
-                      result);
-                return result;
-            }
-            reply->writeInt32(result);
-            return result;
-        }
-        case GET_DESIRED_DISPLAY_MODE_SPECS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            ui::DisplayModeId defaultMode;
-            bool allowGroupSwitching;
-            float primaryRefreshRateMin;
-            float primaryRefreshRateMax;
-            float appRequestRefreshRateMin;
-            float appRequestRefreshRateMax;
-
-            status_t result =
-                    getDesiredDisplayModeSpecs(displayToken, &defaultMode, &allowGroupSwitching,
-                                               &primaryRefreshRateMin, &primaryRefreshRateMax,
-                                               &appRequestRefreshRateMin,
-                                               &appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to get getDesiredDisplayModeSpecs: "
-                      "%d",
-                      result);
-                return result;
-            }
-
-            result = reply->writeInt32(defaultMode);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write defaultMode: %d", result);
-                return result;
-            }
-            result = reply->writeBool(allowGroupSwitching);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write allowGroupSwitching: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(primaryRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write primaryRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(primaryRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write primaryRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(appRequestRefreshRateMin);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write appRequestRefreshRateMin: %d",
-                      result);
-                return result;
-            }
-            result = reply->writeFloat(appRequestRefreshRateMax);
-            if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayModeSpecs: failed to write appRequestRefreshRateMax: %d",
-                      result);
-                return result;
-            }
-            reply->writeInt32(result);
-            return result;
-        }
-        case SET_GLOBAL_SHADOW_SETTINGS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            std::vector<float> shadowConfig;
-            status_t error = data.readFloatVector(&shadowConfig);
-            if (error != NO_ERROR || shadowConfig.size() != 11) {
-                ALOGE("setGlobalShadowSettings: failed to read shadowConfig: %d", error);
-                return error;
-            }
-
-            half4 ambientColor = {shadowConfig[0], shadowConfig[1], shadowConfig[2],
-                                  shadowConfig[3]};
-            half4 spotColor = {shadowConfig[4], shadowConfig[5], shadowConfig[6], shadowConfig[7]};
-            float lightPosY = shadowConfig[8];
-            float lightPosZ = shadowConfig[9];
-            float lightRadius = shadowConfig[10];
-            return setGlobalShadowSettings(ambientColor, spotColor, lightPosY, lightPosZ,
-                                           lightRadius);
-        }
-        case GET_DISPLAY_DECORATION_SUPPORT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken;
-            SAFE_PARCEL(data.readNullableStrongBinder, &displayToken);
-            std::optional<common::DisplayDecorationSupport> support;
-            auto error = getDisplayDecorationSupport(displayToken, &support);
-            if (error != NO_ERROR) {
-                ALOGE("getDisplayDecorationSupport failed with error %d", error);
-                return error;
-            }
-            reply->writeBool(support.has_value());
-            if (support) {
-                reply->writeInt32(static_cast<int32_t>(support.value().format));
-                reply->writeInt32(static_cast<int32_t>(support.value().alphaInterpretation));
-            }
-            return error;
-        }
-        case SET_FRAME_RATE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> binder;
-            SAFE_PARCEL(data.readStrongBinder, &binder);
-
-            sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
-            if (!surface) {
-                ALOGE("setFrameRate: failed to cast to IGraphicBufferProducer");
-                return BAD_VALUE;
-            }
-            float frameRate;
-            SAFE_PARCEL(data.readFloat, &frameRate);
-
-            int8_t compatibility;
-            SAFE_PARCEL(data.readByte, &compatibility);
-
-            int8_t changeFrameRateStrategy;
-            SAFE_PARCEL(data.readByte, &changeFrameRateStrategy);
-
-            status_t result =
-                    setFrameRate(surface, frameRate, compatibility, changeFrameRateStrategy);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case SET_FRAME_TIMELINE_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> binder;
-            status_t err = data.readStrongBinder(&binder);
-            if (err != NO_ERROR) {
-                ALOGE("setFrameTimelineInfo: failed to read strong binder: %s (%d)", strerror(-err),
-                      -err);
-                return err;
-            }
-            sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
-            if (!surface) {
-                ALOGE("setFrameTimelineInfo: failed to cast to IGraphicBufferProducer: %s (%d)",
-                      strerror(-err), -err);
-                return err;
-            }
-
-            FrameTimelineInfo frameTimelineInfo;
-            SAFE_PARCEL(frameTimelineInfo.read, data);
-
-            status_t result = setFrameTimelineInfo(surface, frameTimelineInfo);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        }
-        case ADD_TRANSACTION_TRACE_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<gui::ITransactionTraceListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return addTransactionTraceListener(listener);
-        }
-        case GET_GPU_CONTEXT_PRIORITY: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int priority = getGPUContextPriority();
-            SAFE_PARCEL(reply->writeInt32, priority);
-            return NO_ERROR;
-        }
-        case GET_MAX_ACQUIRED_BUFFER_COUNT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int buffers = 0;
-            int err = getMaxAcquiredBufferCount(&buffers);
-            if (err != NO_ERROR) {
-                return err;
-            }
-            SAFE_PARCEL(reply->writeInt32, buffers);
-            return NO_ERROR;
-        }
-        case OVERRIDE_HDR_TYPES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            SAFE_PARCEL(data.readStrongBinder, &display);
-
-            std::vector<int32_t> hdrTypes;
-            SAFE_PARCEL(data.readInt32Vector, &hdrTypes);
-
-            std::vector<ui::Hdr> hdrTypesVector;
-            for (int i : hdrTypes) {
-                hdrTypesVector.push_back(static_cast<ui::Hdr>(i));
-            }
-            return overrideHdrTypes(display, hdrTypesVector);
-        }
-        case ON_PULL_ATOM: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int32_t atomId = 0;
-            SAFE_PARCEL(data.readInt32, &atomId);
-
-            std::string pulledData;
-            bool success;
-            status_t err = onPullAtom(atomId, &pulledData, &success);
-            SAFE_PARCEL(reply->writeByteArray, pulledData.size(),
-                        reinterpret_cast<const uint8_t*>(pulledData.data()));
-            SAFE_PARCEL(reply->writeBool, success);
-            return err;
-        }
-        case ADD_WINDOW_INFOS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IWindowInfosListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return addWindowInfosListener(listener);
-        }
-        case REMOVE_WINDOW_INFOS_LISTENER: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IWindowInfosListener> listener;
-            SAFE_PARCEL(data.readStrongBinder, &listener);
-
-            return removeWindowInfosListener(listener);
-        }
-        case SET_OVERRIDE_FRAME_RATE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            uid_t uid;
-            SAFE_PARCEL(data.readUint32, &uid);
-
-            float frameRate;
-            SAFE_PARCEL(data.readFloat, &frameRate);
-
-            return setOverrideFrameRate(uid, frameRate);
-        }
         default: {
             return BBinder::onTransact(code, data, reply, flags);
         }
diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp
deleted file mode 100644
index 5e7a7ec..0000000
--- a/libs/gui/ISurfaceComposerClient.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// tag as surfaceflinger
-#define LOG_TAG "SurfaceFlinger"
-
-#include <gui/ISurfaceComposerClient.h>
-
-#include <gui/IGraphicBufferProducer.h>
-
-#include <binder/SafeInterface.h>
-
-#include <ui/FrameStats.h>
-
-namespace android {
-
-namespace { // Anonymous
-
-enum class Tag : uint32_t {
-    CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
-    CREATE_WITH_SURFACE_PARENT,
-    CLEAR_LAYER_FRAME_STATS,
-    GET_LAYER_FRAME_STATS,
-    MIRROR_SURFACE,
-    LAST = MIRROR_SURFACE,
-};
-
-} // Anonymous namespace
-
-class BpSurfaceComposerClient : public SafeBpInterface<ISurfaceComposerClient> {
-public:
-    explicit BpSurfaceComposerClient(const sp<IBinder>& impl)
-          : SafeBpInterface<ISurfaceComposerClient>(impl, "BpSurfaceComposerClient") {}
-
-    ~BpSurfaceComposerClient() override;
-
-    status_t createSurface(const String8& name, uint32_t width, uint32_t height, PixelFormat format,
-                           uint32_t flags, const sp<IBinder>& parent, LayerMetadata metadata,
-                           sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp,
-                           int32_t* outLayerId, uint32_t* outTransformHint) override {
-        return callRemote<decltype(&ISurfaceComposerClient::createSurface)>(Tag::CREATE_SURFACE,
-                                                                            name, width, height,
-                                                                            format, flags, parent,
-                                                                            std::move(metadata),
-                                                                            handle, gbp, outLayerId,
-                                                                            outTransformHint);
-    }
-
-    status_t createWithSurfaceParent(const String8& name, uint32_t width, uint32_t height,
-                                     PixelFormat format, uint32_t flags,
-                                     const sp<IGraphicBufferProducer>& parent,
-                                     LayerMetadata metadata, sp<IBinder>* handle,
-                                     sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                     uint32_t* outTransformHint) override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::createWithSurfaceParent)>(Tag::CREATE_WITH_SURFACE_PARENT,
-                                                                   name, width, height, format,
-                                                                   flags, parent,
-                                                                   std::move(metadata), handle, gbp,
-                                                                   outLayerId, outTransformHint);
-    }
-
-    status_t clearLayerFrameStats(const sp<IBinder>& handle) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::clearLayerFrameStats)>(Tag::CLEAR_LAYER_FRAME_STATS,
-                                                                handle);
-    }
-
-    status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const override {
-        return callRemote<decltype(
-                &ISurfaceComposerClient::getLayerFrameStats)>(Tag::GET_LAYER_FRAME_STATS, handle,
-                                                              outStats);
-    }
-
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                           int32_t* outLayerId) override {
-        return callRemote<decltype(&ISurfaceComposerClient::mirrorSurface)>(Tag::MIRROR_SURFACE,
-                                                                            mirrorFromHandle,
-                                                                            outHandle, outLayerId);
-    }
-};
-
-// Out-of-line virtual method definition to trigger vtable emission in this
-// translation unit (see clang warning -Wweak-vtables)
-BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
-
-IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
-
-// ----------------------------------------------------------------------
-
-status_t BnSurfaceComposerClient::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
-                                             uint32_t flags) {
-    if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
-        return BBinder::onTransact(code, data, reply, flags);
-    }
-    auto tag = static_cast<Tag>(code);
-    switch (tag) {
-        case Tag::CREATE_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::createSurface);
-        case Tag::CREATE_WITH_SURFACE_PARENT:
-            return callLocal(data, reply, &ISurfaceComposerClient::createWithSurfaceParent);
-        case Tag::CLEAR_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::clearLayerFrameStats);
-        case Tag::GET_LAYER_FRAME_STATS:
-            return callLocal(data, reply, &ISurfaceComposerClient::getLayerFrameStats);
-        case Tag::MIRROR_SURFACE:
-            return callLocal(data, reply, &ISurfaceComposerClient::mirrorSurface);
-    }
-}
-
-} // namespace android
diff --git a/libs/gui/LayerDebugInfo.cpp b/libs/gui/LayerDebugInfo.cpp
index ea5fb29..15b2221 100644
--- a/libs/gui/LayerDebugInfo.cpp
+++ b/libs/gui/LayerDebugInfo.cpp
@@ -27,7 +27,7 @@
 
 #define RETURN_ON_ERROR(X) do {status_t res = (X); if (res != NO_ERROR) return res;} while(false)
 
-namespace android {
+namespace android::gui {
 
 status_t LayerDebugInfo::writeToParcel(Parcel* parcel) const {
     RETURN_ON_ERROR(parcel->writeCString(mName.c_str()));
@@ -149,4 +149,4 @@
     return result;
 }
 
-} // android
+} // namespace android::gui
diff --git a/libs/gui/LayerMetadata.cpp b/libs/gui/LayerMetadata.cpp
index 189d51a..4e12fd3 100644
--- a/libs/gui/LayerMetadata.cpp
+++ b/libs/gui/LayerMetadata.cpp
@@ -23,7 +23,7 @@
 
 using android::base::StringPrintf;
 
-namespace android {
+namespace android::gui {
 
 LayerMetadata::LayerMetadata() = default;
 
@@ -144,4 +144,4 @@
     }
 }
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 502031c..4d5978c 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -19,10 +19,10 @@
 #include <cinttypes>
 #include <cmath>
 
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/native_window.h>
 #include <binder/Parcel.h>
 #include <gui/IGraphicBufferProducer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <system/window.h>
@@ -40,8 +40,6 @@
         x(0),
         y(0),
         z(0),
-        w(0),
-        h(0),
         alpha(0),
         flags(0),
         mask(0),
@@ -63,9 +61,11 @@
         frameRate(0.0f),
         frameRateCompatibility(ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT),
         changeFrameRateStrategy(ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS),
+        defaultFrameRateCompatibility(ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT),
         fixedTransformHint(ui::Transform::ROT_INVALID),
         autoRefresh(false),
         isTrustedOverlay(false),
+        borderEnabled(false),
         bufferCrop(Rect::INVALID_RECT),
         destinationFrame(Rect::INVALID_RECT),
         dropInputMode(gui::DropInputMode::NONE) {
@@ -82,8 +82,6 @@
     SAFE_PARCEL(output.writeFloat, x);
     SAFE_PARCEL(output.writeFloat, y);
     SAFE_PARCEL(output.writeInt32, z);
-    SAFE_PARCEL(output.writeUint32, w);
-    SAFE_PARCEL(output.writeUint32, h);
     SAFE_PARCEL(output.writeUint32, layerStack.id);
     SAFE_PARCEL(output.writeFloat, alpha);
     SAFE_PARCEL(output.writeUint32, flags);
@@ -100,7 +98,12 @@
     SAFE_PARCEL(output.write, transparentRegion);
     SAFE_PARCEL(output.writeUint32, transform);
     SAFE_PARCEL(output.writeBool, transformToDisplayInverse);
-
+    SAFE_PARCEL(output.writeBool, borderEnabled);
+    SAFE_PARCEL(output.writeFloat, borderWidth);
+    SAFE_PARCEL(output.writeFloat, borderColor.r);
+    SAFE_PARCEL(output.writeFloat, borderColor.g);
+    SAFE_PARCEL(output.writeFloat, borderColor.b);
+    SAFE_PARCEL(output.writeFloat, borderColor.a);
     SAFE_PARCEL(output.writeUint32, static_cast<uint32_t>(dataspace));
     SAFE_PARCEL(output.write, hdrMetadata);
     SAFE_PARCEL(output.write, surfaceDamageRegion);
@@ -131,6 +134,7 @@
     SAFE_PARCEL(output.writeFloat, frameRate);
     SAFE_PARCEL(output.writeByte, frameRateCompatibility);
     SAFE_PARCEL(output.writeByte, changeFrameRateStrategy);
+    SAFE_PARCEL(output.writeByte, defaultFrameRateCompatibility);
     SAFE_PARCEL(output.writeUint32, fixedTransformHint);
     SAFE_PARCEL(output.writeBool, autoRefresh);
     SAFE_PARCEL(output.writeBool, dimmingEnabled);
@@ -172,8 +176,6 @@
     SAFE_PARCEL(input.readFloat, &x);
     SAFE_PARCEL(input.readFloat, &y);
     SAFE_PARCEL(input.readInt32, &z);
-    SAFE_PARCEL(input.readUint32, &w);
-    SAFE_PARCEL(input.readUint32, &h);
     SAFE_PARCEL(input.readUint32, &layerStack.id);
     SAFE_PARCEL(input.readFloat, &alpha);
 
@@ -200,6 +202,17 @@
     SAFE_PARCEL(input.read, transparentRegion);
     SAFE_PARCEL(input.readUint32, &transform);
     SAFE_PARCEL(input.readBool, &transformToDisplayInverse);
+    SAFE_PARCEL(input.readBool, &borderEnabled);
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderWidth = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.r = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.g = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.b = tmpFloat;
+    SAFE_PARCEL(input.readFloat, &tmpFloat);
+    borderColor.a = tmpFloat;
 
     uint32_t tmpUint32 = 0;
     SAFE_PARCEL(input.readUint32, &tmpUint32);
@@ -240,6 +253,7 @@
     SAFE_PARCEL(input.readFloat, &frameRate);
     SAFE_PARCEL(input.readByte, &frameRateCompatibility);
     SAFE_PARCEL(input.readByte, &changeFrameRateStrategy);
+    SAFE_PARCEL(input.readByte, &defaultFrameRateCompatibility);
     SAFE_PARCEL(input.readUint32, &tmpUint32);
     fixedTransformHint = static_cast<ui::Transform::RotationFlags>(tmpUint32);
     SAFE_PARCEL(input.readBool, &autoRefresh);
@@ -437,11 +451,6 @@
         what &= ~eRelativeLayerChanged;
         z = other.z;
     }
-    if (other.what & eSizeChanged) {
-        what |= eSizeChanged;
-        w = other.w;
-        h = other.h;
-    }
     if (other.what & eAlphaChanged) {
         what |= eAlphaChanged;
         alpha = other.alpha;
@@ -550,6 +559,16 @@
         what |= eShadowRadiusChanged;
         shadowRadius = other.shadowRadius;
     }
+    if (other.what & eRenderBorderChanged) {
+        what |= eRenderBorderChanged;
+        borderEnabled = other.borderEnabled;
+        borderWidth = other.borderWidth;
+        borderColor = other.borderColor;
+    }
+    if (other.what & eDefaultFrameRateCompatibilityChanged) {
+        what |= eDefaultFrameRateCompatibilityChanged;
+        defaultFrameRateCompatibility = other.defaultFrameRateCompatibility;
+    }
     if (other.what & eFrameRateSelectionPriority) {
         what |= eFrameRateSelectionPriority;
         frameRateSelectionPriority = other.frameRateSelectionPriority;
@@ -641,29 +660,44 @@
     changes |= !other.focusRequests.empty();
     focusRequests.insert(focusRequests.end(), std::make_move_iterator(other.focusRequests.begin()),
                          std::make_move_iterator(other.focusRequests.end()));
-    changes |= other.syncInputWindows && !syncInputWindows;
-    syncInputWindows |= other.syncInputWindows;
+    changes |= !other.windowInfosReportedListeners.empty();
+    windowInfosReportedListeners.insert(other.windowInfosReportedListeners.begin(),
+                                        other.windowInfosReportedListeners.end());
     return changes;
 }
 
 bool InputWindowCommands::empty() const {
-    return focusRequests.empty() && !syncInputWindows;
+    return focusRequests.empty() && windowInfosReportedListeners.empty();
 }
 
 void InputWindowCommands::clear() {
     focusRequests.clear();
-    syncInputWindows = false;
+    windowInfosReportedListeners.clear();
 }
 
 status_t InputWindowCommands::write(Parcel& output) const {
     SAFE_PARCEL(output.writeParcelableVector, focusRequests);
-    SAFE_PARCEL(output.writeBool, syncInputWindows);
+
+    SAFE_PARCEL(output.writeInt32, windowInfosReportedListeners.size());
+    for (const auto& listener : windowInfosReportedListeners) {
+        SAFE_PARCEL(output.writeStrongBinder, listener);
+    }
+
     return NO_ERROR;
 }
 
 status_t InputWindowCommands::read(const Parcel& input) {
     SAFE_PARCEL(input.readParcelableVector, &focusRequests);
-    SAFE_PARCEL(input.readBool, &syncInputWindows);
+
+    int listenerSize = 0;
+    SAFE_PARCEL_READ_SIZE(input.readInt32, &listenerSize, input.dataSize());
+    windowInfosReportedListeners.reserve(listenerSize);
+    for (int i = 0; i < listenerSize; i++) {
+        sp<gui::IWindowInfosReportedListener> listener;
+        SAFE_PARCEL(input.readStrongBinder, &listener);
+        windowInfosReportedListeners.insert(listener);
+    }
+
     return NO_ERROR;
 }
 
diff --git a/libs/gui/ScreenCaptureResults.cpp b/libs/gui/ScreenCaptureResults.cpp
index fe38706..601a5f9 100644
--- a/libs/gui/ScreenCaptureResults.cpp
+++ b/libs/gui/ScreenCaptureResults.cpp
@@ -17,6 +17,7 @@
 #include <gui/ScreenCaptureResults.h>
 
 #include <private/gui/ParcelUtils.h>
+#include <ui/FenceResult.h>
 
 namespace android::gui {
 
@@ -28,17 +29,17 @@
         SAFE_PARCEL(parcel->writeBool, false);
     }
 
-    if (fence != Fence::NO_FENCE) {
+    if (fenceResult.ok() && fenceResult.value() != Fence::NO_FENCE) {
         SAFE_PARCEL(parcel->writeBool, true);
-        SAFE_PARCEL(parcel->write, *fence);
+        SAFE_PARCEL(parcel->write, *fenceResult.value());
     } else {
         SAFE_PARCEL(parcel->writeBool, false);
+        SAFE_PARCEL(parcel->writeInt32, fenceStatus(fenceResult));
     }
 
     SAFE_PARCEL(parcel->writeBool, capturedSecureLayers);
     SAFE_PARCEL(parcel->writeBool, capturedHdrLayers);
     SAFE_PARCEL(parcel->writeUint32, static_cast<uint32_t>(capturedDataspace));
-    SAFE_PARCEL(parcel->writeInt32, result);
     return NO_ERROR;
 }
 
@@ -53,8 +54,13 @@
     bool hasFence;
     SAFE_PARCEL(parcel->readBool, &hasFence);
     if (hasFence) {
-        fence = new Fence();
-        SAFE_PARCEL(parcel->read, *fence);
+        fenceResult = sp<Fence>::make();
+        SAFE_PARCEL(parcel->read, *fenceResult.value());
+    } else {
+        status_t status;
+        SAFE_PARCEL(parcel->readInt32, &status);
+        fenceResult = status == NO_ERROR ? FenceResult(Fence::NO_FENCE)
+                                         : FenceResult(base::unexpected(status));
     }
 
     SAFE_PARCEL(parcel->readBool, &capturedSecureLayers);
@@ -62,7 +68,6 @@
     uint32_t dataspace = 0;
     SAFE_PARCEL(parcel->readUint32, &dataspace);
     capturedDataspace = static_cast<ui::Dataspace>(dataspace);
-    SAFE_PARCEL(parcel->readInt32, &result);
     return NO_ERROR;
 }
 
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 6b544b2..4b4d46a 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -30,15 +30,17 @@
 #include <android/gui/DisplayStatInfo.h>
 #include <android/native_window.h>
 
+#include <gui/TraceUtils.h>
 #include <utils/Log.h>
-#include <utils/Trace.h>
 #include <utils/NativeHandle.h>
+#include <utils/Trace.h>
 
 #include <ui/DynamicDisplayInfo.h>
 #include <ui/Fence.h>
 #include <ui/GraphicBuffer.h>
 #include <ui/Region.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItem.h>
 #include <gui/IProducerListener.h>
 
@@ -49,6 +51,7 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::Dataspace;
 
 namespace {
@@ -182,7 +185,7 @@
     gui::DisplayStatInfo stats;
     binder::Status status = composerServiceAIDL()->getDisplayStats(nullptr, &stats);
     if (!status.isOk()) {
-        return status.transactionError();
+        return statusTFromBinderStatus(status);
     }
 
     *outRefreshDuration = stats.vsyncPeriod;
@@ -355,7 +358,7 @@
 
     *supported = false;
     binder::Status status = composerServiceAIDL()->isWideColorDisplay(display, supported);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t Surface::getHdrSupport(bool* supported) {
@@ -366,12 +369,13 @@
         return NAME_NOT_FOUND;
     }
 
-    ui::DynamicDisplayInfo info;
-    if (status_t err = composerService()->getDynamicDisplayInfo(display, &info); err != NO_ERROR) {
-        return err;
+    gui::DynamicDisplayInfo info;
+    if (binder::Status status = composerServiceAIDL()->getDynamicDisplayInfo(display, &info);
+        !status.isOk()) {
+        return statusTFromBinderStatus(status);
     }
 
-    *supported = !info.hdrCapabilities.getSupportedHdrTypes().empty();
+    *supported = !info.hdrCapabilities.supportedHdrTypes.empty();
     return NO_ERROR;
 }
 
@@ -634,7 +638,7 @@
 }
 
 int Surface::dequeueBuffer(android_native_buffer_t** buffer, int* fenceFd) {
-    ATRACE_CALL();
+    ATRACE_FORMAT("dequeueBuffer - %s", getDebugName());
     ALOGV("Surface::dequeueBuffer");
 
     IGraphicBufferProducer::DequeueBufferInput dqInput;
@@ -1256,10 +1260,10 @@
     mQueriedSupportedTimestamps = true;
 
     std::vector<FrameEvent> supportedFrameTimestamps;
-    status_t err = composerService()->getSupportedFrameTimestamps(
-            &supportedFrameTimestamps);
+    binder::Status status =
+            composerServiceAIDL()->getSupportedFrameTimestamps(&supportedFrameTimestamps);
 
-    if (err != NO_ERROR) {
+    if (!status.isOk()) {
         return;
     }
 
@@ -1287,15 +1291,12 @@
                 if (err == NO_ERROR) {
                     return NO_ERROR;
                 }
-                sp<ISurfaceComposer> surfaceComposer = composerService();
+                sp<gui::ISurfaceComposer> surfaceComposer = composerServiceAIDL();
                 if (surfaceComposer == nullptr) {
                     return -EPERM; // likely permissions error
                 }
-                if (surfaceComposer->authenticateSurfaceTexture(mGraphicBufferProducer)) {
-                    *value = 1;
-                } else {
-                    *value = 0;
-                }
+                // ISurfaceComposer no longer supports authenticateSurfaceTexture
+                *value = 0;
                 return NO_ERROR;
             }
             case NATIVE_WINDOW_CONCRETE_TYPE:
@@ -1867,7 +1868,11 @@
     auto startTimeNanos = static_cast<int64_t>(va_arg(args, int64_t));
 
     ALOGV("Surface::%s", __func__);
-    return setFrameTimelineInfo({frameTimelineVsyncId, inputEventId, startTimeNanos});
+    FrameTimelineInfo ftlInfo;
+    ftlInfo.vsyncId = frameTimelineVsyncId;
+    ftlInfo.inputEventId = inputEventId;
+    ftlInfo.startTimeNanos = startTimeNanos;
+    return setFrameTimelineInfo(ftlInfo);
 }
 
 bool Surface::transformToDisplayInverse() const {
@@ -2624,22 +2629,18 @@
     mSurfaceListener->onBuffersDiscarded(discardedBufs);
 }
 
-status_t Surface::setFrameRate(float frameRate, int8_t compatibility,
-                               int8_t changeFrameRateStrategy) {
-    ATRACE_CALL();
-    ALOGV("Surface::setFrameRate");
-
-    if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
-                           "Surface::setFrameRate")) {
-        return BAD_VALUE;
-    }
-
-    return composerService()->setFrameRate(mGraphicBufferProducer, frameRate, compatibility,
-                                           changeFrameRateStrategy);
+[[deprecated]] status_t Surface::setFrameRate(float /*frameRate*/, int8_t /*compatibility*/,
+                                              int8_t /*changeFrameRateStrategy*/) {
+    ALOGI("Surface::setFrameRate is deprecated, setFrameRate hint is dropped as destination is not "
+          "SurfaceFlinger");
+    // ISurfaceComposer no longer supports setFrameRate, we will return NO_ERROR when the api is
+    // called to avoid apps crashing, as BAD_VALUE can generate fatal exception in apps.
+    return NO_ERROR;
 }
 
-status_t Surface::setFrameTimelineInfo(const FrameTimelineInfo& frameTimelineInfo) {
-    return composerService()->setFrameTimelineInfo(mGraphicBufferProducer, frameTimelineInfo);
+status_t Surface::setFrameTimelineInfo(const FrameTimelineInfo& /*frameTimelineInfo*/) {
+    // ISurfaceComposer no longer supports setFrameTimelineInfo
+    return BAD_VALUE;
 }
 
 sp<IBinder> Surface::getSurfaceControlHandle() const {
@@ -2652,4 +2653,12 @@
     mSurfaceControlHandle = nullptr;
 }
 
+const char* Surface::getDebugName() {
+    std::unique_lock lock{mNameMutex};
+    if (mName.empty()) {
+        mName = getConsumerName();
+    }
+    return mName.c_str();
+}
+
 }; // namespace android
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 0f5192d..d780173 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -16,11 +16,15 @@
 
 #define LOG_TAG "SurfaceComposerClient"
 
+#include <semaphore.h>
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <android/gui/BnWindowInfosReportedListener.h>
 #include <android/gui/DisplayState.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <android/gui/IWindowInfosListener.h>
+#include <android/os/IInputConstants.h>
 #include <utils/Errors.h>
 #include <utils/Log.h>
 #include <utils/SortedVector.h>
@@ -33,11 +37,11 @@
 
 #include <system/graphics.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItemConsumer.h>
 #include <gui/CpuConsumer.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
@@ -61,6 +65,7 @@
 using gui::WindowInfo;
 using gui::WindowInfoHandle;
 using gui::WindowInfosListener;
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::ColorMode;
 // ---------------------------------------------------------------------------
 
@@ -111,7 +116,6 @@
     if (instance.mComposerService == nullptr) {
         if (ComposerService::getInstance().connectLocked()) {
             ALOGD("ComposerService reconnected");
-            WindowInfosListenerReporter::getInstance()->reconnect(instance.mComposerService);
         }
     }
     return instance.mComposerService;
@@ -159,6 +163,7 @@
     if (instance.mComposerService == nullptr) {
         if (ComposerServiceAIDL::getInstance().connectLocked()) {
             ALOGD("ComposerServiceAIDL reconnected");
+            WindowInfosListenerReporter::getInstance()->reconnect(instance.mComposerService);
         }
     }
     return instance.mComposerService;
@@ -625,12 +630,11 @@
 
 SurfaceComposerClient::Transaction::Transaction(const Transaction& other)
       : mId(other.mId),
-        mForceSynchronous(other.mForceSynchronous),
         mTransactionNestCount(other.mTransactionNestCount),
         mAnimation(other.mAnimation),
         mEarlyWakeupStart(other.mEarlyWakeupStart),
         mEarlyWakeupEnd(other.mEarlyWakeupEnd),
-        mContainsBuffer(other.mContainsBuffer),
+        mMayContainBuffer(other.mMayContainBuffer),
         mDesiredPresentTime(other.mDesiredPresentTime),
         mIsAutoTimestamp(other.mIsAutoTimestamp),
         mFrameTimelineInfo(other.mFrameTimelineInfo),
@@ -659,16 +663,15 @@
 
 
 status_t SurfaceComposerClient::Transaction::readFromParcel(const Parcel* parcel) {
-    const uint32_t forceSynchronous = parcel->readUint32();
+    const uint64_t transactionId = parcel->readUint64();
     const uint32_t transactionNestCount = parcel->readUint32();
     const bool animation = parcel->readBool();
     const bool earlyWakeupStart = parcel->readBool();
     const bool earlyWakeupEnd = parcel->readBool();
-    const bool containsBuffer = parcel->readBool();
     const int64_t desiredPresentTime = parcel->readInt64();
     const bool isAutoTimestamp = parcel->readBool();
     FrameTimelineInfo frameTimelineInfo;
-    SAFE_PARCEL(frameTimelineInfo.read, *parcel);
+    frameTimelineInfo.readFromParcel(parcel);
 
     sp<IBinder> applyToken;
     parcel->readNullableStrongBinder(&applyToken);
@@ -736,12 +739,11 @@
     inputWindowCommands.read(*parcel);
 
     // Parsing was successful. Update the object.
-    mForceSynchronous = forceSynchronous;
+    mId = transactionId;
     mTransactionNestCount = transactionNestCount;
     mAnimation = animation;
     mEarlyWakeupStart = earlyWakeupStart;
     mEarlyWakeupEnd = earlyWakeupEnd;
-    mContainsBuffer = containsBuffer;
     mDesiredPresentTime = desiredPresentTime;
     mIsAutoTimestamp = isAutoTimestamp;
     mFrameTimelineInfo = frameTimelineInfo;
@@ -767,15 +769,14 @@
 
     const_cast<SurfaceComposerClient::Transaction*>(this)->cacheBuffers();
 
-    parcel->writeUint32(mForceSynchronous);
+    parcel->writeUint64(mId);
     parcel->writeUint32(mTransactionNestCount);
     parcel->writeBool(mAnimation);
     parcel->writeBool(mEarlyWakeupStart);
     parcel->writeBool(mEarlyWakeupEnd);
-    parcel->writeBool(mContainsBuffer);
     parcel->writeInt64(mDesiredPresentTime);
     parcel->writeBool(mIsAutoTimestamp);
-    SAFE_PARCEL(mFrameTimelineInfo.write, *parcel);
+    mFrameTimelineInfo.writeToParcel(parcel);
     parcel->writeStrongBinder(mApplyToken);
     parcel->writeUint32(static_cast<uint32_t>(mDisplayStates.size()));
     for (auto const& displayState : mDisplayStates) {
@@ -871,12 +872,12 @@
 
     mInputWindowCommands.merge(other.mInputWindowCommands);
 
-    mContainsBuffer |= other.mContainsBuffer;
+    mMayContainBuffer |= other.mMayContainBuffer;
     mEarlyWakeupStart = mEarlyWakeupStart || other.mEarlyWakeupStart;
     mEarlyWakeupEnd = mEarlyWakeupEnd || other.mEarlyWakeupEnd;
     mApplyToken = other.mApplyToken;
 
-    mFrameTimelineInfo.merge(other.mFrameTimelineInfo);
+    mergeFrameTimelineInfo(mFrameTimelineInfo, other.mFrameTimelineInfo);
 
     other.clear();
     return *this;
@@ -887,15 +888,14 @@
     mDisplayStates.clear();
     mListenerCallbacks.clear();
     mInputWindowCommands.clear();
-    mContainsBuffer = false;
-    mForceSynchronous = 0;
+    mMayContainBuffer = false;
     mTransactionNestCount = 0;
     mAnimation = false;
     mEarlyWakeupStart = false;
     mEarlyWakeupEnd = false;
     mDesiredPresentTime = 0;
     mIsAutoTimestamp = true;
-    mFrameTimelineInfo.clear();
+    clearFrameTimelineInfo(mFrameTimelineInfo);
     mApplyToken = nullptr;
 }
 
@@ -910,13 +910,13 @@
     uncacheBuffer.token = BufferCache::getInstance().getToken();
     uncacheBuffer.id = cacheId;
 
-    sp<IBinder> applyToken = IInterface::asBinder(TransactionCompletedListener::getIInstance());
-    sf->setTransactionState(FrameTimelineInfo{}, {}, {}, 0, applyToken, {}, systemTime(), true,
+    sf->setTransactionState(FrameTimelineInfo{}, {}, {}, ISurfaceComposer::eOneWay,
+                            Transaction::getDefaultApplyToken(), {}, systemTime(), true,
                             uncacheBuffer, false, {}, generateId());
 }
 
 void SurfaceComposerClient::Transaction::cacheBuffers() {
-    if (!mContainsBuffer) {
+    if (!mMayContainBuffer) {
         return;
     }
 
@@ -961,12 +961,55 @@
     }
 }
 
+class SyncCallback {
+public:
+    static void function(void* callbackContext, nsecs_t /* latchTime */,
+                         const sp<Fence>& /* presentFence */,
+                         const std::vector<SurfaceControlStats>& /* stats */) {
+        if (!callbackContext) {
+            ALOGE("failed to get callback context for SyncCallback");
+        }
+        SyncCallback* helper = static_cast<SyncCallback*>(callbackContext);
+        LOG_ALWAYS_FATAL_IF(sem_post(&helper->mSemaphore), "sem_post failed");
+    }
+    ~SyncCallback() {
+        if (mInitialized) {
+            LOG_ALWAYS_FATAL_IF(sem_destroy(&mSemaphore), "sem_destroy failed");
+        }
+    }
+    void init() {
+        LOG_ALWAYS_FATAL_IF(clock_gettime(CLOCK_MONOTONIC, &mTimeoutTimespec) == -1,
+                            "clock_gettime() fail! in SyncCallback::init");
+        mTimeoutTimespec.tv_sec += 4;
+        LOG_ALWAYS_FATAL_IF(sem_init(&mSemaphore, 0, 0), "sem_init failed");
+        mInitialized = true;
+    }
+    void wait() {
+        int result = sem_clockwait(&mSemaphore, CLOCK_MONOTONIC, &mTimeoutTimespec);
+        if (result && errno != ETIMEDOUT && errno != EINTR) {
+            LOG_ALWAYS_FATAL("sem_clockwait failed(%d)", errno);
+        } else if (errno == ETIMEDOUT) {
+            ALOGW("Sync transaction timed out waiting for commit callback.");
+        }
+    }
+    void* getContext() { return static_cast<void*>(this); }
+
+private:
+    sem_t mSemaphore;
+    bool mInitialized = false;
+    timespec mTimeoutTimespec;
+};
+
 status_t SurfaceComposerClient::Transaction::apply(bool synchronous, bool oneWay) {
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
 
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    SyncCallback syncCallback;
+    if (synchronous) {
+        syncCallback.init();
+        addTransactionCommittedCallback(syncCallback.function, syncCallback.getContext());
+    }
 
     bool hasListenerCallbacks = !mListenerCallbacks.empty();
     std::vector<ListenerCallbacks> listenerCallbacks;
@@ -1001,27 +1044,22 @@
     Vector<DisplayState> displayStates;
     uint32_t flags = 0;
 
-    mForceSynchronous |= synchronous;
-
-    for (auto const& kv : mComposerStates){
+    for (auto const& kv : mComposerStates) {
         composerStates.add(kv.second);
     }
 
     displayStates = std::move(mDisplayStates);
 
-    if (mForceSynchronous) {
-        flags |= ISurfaceComposer::eSynchronous;
-    }
     if (mAnimation) {
         flags |= ISurfaceComposer::eAnimation;
     }
     if (oneWay) {
-      if (mForceSynchronous) {
-          ALOGE("Transaction attempted to set synchronous and one way at the same time"
-                " this is an invalid request. Synchronous will win for safety");
-      } else {
-          flags |= ISurfaceComposer::eOneWay;
-      }
+        if (synchronous) {
+            ALOGE("Transaction attempted to set synchronous and one way at the same time"
+                  " this is an invalid request. Synchronous will win for safety");
+        } else {
+            flags |= ISurfaceComposer::eOneWay;
+        }
     }
 
     // If both mEarlyWakeupStart and mEarlyWakeupEnd are set
@@ -1033,10 +1071,9 @@
         flags |= ISurfaceComposer::eEarlyWakeupEnd;
     }
 
-    sp<IBinder> applyToken = mApplyToken
-            ? mApplyToken
-            : IInterface::asBinder(TransactionCompletedListener::getIInstance());
+    sp<IBinder> applyToken = mApplyToken ? mApplyToken : sApplyToken;
 
+    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
     sf->setTransactionState(mFrameTimelineInfo, composerStates, displayStates, flags, applyToken,
                             mInputWindowCommands, mDesiredPresentTime, mIsAutoTimestamp,
                             {} /*uncacheBuffer - only set in doUncacheBufferTransaction*/,
@@ -1046,10 +1083,23 @@
     // Clear the current states and flags
     clear();
 
+    if (synchronous) {
+        syncCallback.wait();
+    }
+
     mStatus = NO_ERROR;
     return NO_ERROR;
 }
 
+sp<IBinder> SurfaceComposerClient::Transaction::sApplyToken = new BBinder();
+
+sp<IBinder> SurfaceComposerClient::Transaction::getDefaultApplyToken() {
+    return sApplyToken;
+}
+
+void SurfaceComposerClient::Transaction::setDefaultApplyToken(sp<IBinder> applyToken) {
+    sApplyToken = applyToken;
+}
 // ---------------------------------------------------------------------------
 
 sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName, bool secure) {
@@ -1080,16 +1130,6 @@
     return physicalDisplayIds;
 }
 
-status_t SurfaceComposerClient::getPrimaryPhysicalDisplayId(PhysicalDisplayId* id) {
-    int64_t displayId;
-    binder::Status status =
-            ComposerServiceAIDL::getComposerService()->getPrimaryPhysicalDisplayId(&displayId);
-    if (status.isOk()) {
-        *id = *DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
-    }
-    return status.transactionError();
-}
-
 std::optional<PhysicalDisplayId> SurfaceComposerClient::getInternalDisplayId() {
     ComposerServiceAIDL& instance = ComposerServiceAIDL::getInstance();
     return instance.getInternalDisplayId();
@@ -1170,21 +1210,6 @@
     return setFlags(sc, layer_state_t::eLayerHidden, layer_state_t::eLayerHidden);
 }
 
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setSize(
-        const sp<SurfaceControl>& sc, uint32_t w, uint32_t h) {
-    layer_state_t* s = getLayerState(sc);
-    if (!s) {
-        mStatus = BAD_INDEX;
-        return *this;
-    }
-    s->what |= layer_state_t::eSizeChanged;
-    s->w = w;
-    s->h = h;
-
-    registerSurfaceControlForCallback(sc);
-    return *this;
-}
-
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setLayer(
         const sp<SurfaceControl>& sc, int32_t z) {
     layer_state_t* s = getLayerState(sc);
@@ -1274,8 +1299,11 @@
         mStatus = BAD_INDEX;
         return *this;
     }
+    if (alpha < 0.0f || alpha > 1.0f) {
+        ALOGE("SurfaceComposerClient::Transaction::setAlpha: invalid alpha %f, clamping", alpha);
+    }
     s->what |= layer_state_t::eAlphaChanged;
-    s->alpha = alpha;
+    s->alpha = std::clamp(alpha, 0.f, 1.f);
 
     registerSurfaceControlForCallback(sc);
     return *this;
@@ -1475,7 +1503,6 @@
     s->what &= ~layer_state_t::eBufferChanged;
     s->bufferData = nullptr;
 
-    mContainsBuffer = false;
     return bufferData;
 }
 
@@ -1506,7 +1533,6 @@
     if (buffer == nullptr) {
         s->what &= ~layer_state_t::eBufferChanged;
         s->bufferData = nullptr;
-        mContainsBuffer = false;
         return *this;
     }
 
@@ -1541,7 +1567,7 @@
                                        const std::vector<SurfaceControlStats>&) {},
                                     nullptr);
 
-    mContainsBuffer = true;
+    mMayContainBuffer = true;
     return *this;
 }
 
@@ -1729,8 +1755,10 @@
     return *this;
 }
 
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::syncInputWindows() {
-    mInputWindowCommands.syncInputWindows = true;
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::addWindowInfosReportedListener(
+        sp<gui::IWindowInfosReportedListener> windowInfosReportedListener) {
+    mInputWindowCommands.windowInfosReportedListeners.insert(windowInfosReportedListener);
     return *this;
 }
 
@@ -1837,6 +1865,19 @@
     return *this;
 }
 
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::setDefaultFrameRateCompatibility(const sp<SurfaceControl>& sc,
+                                                                     int8_t compatibility) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+    s->what |= layer_state_t::eDefaultFrameRateCompatibilityChanged;
+    s->defaultFrameRateCompatibility = compatibility;
+    return *this;
+}
+
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFixedTransformHint(
         const sp<SurfaceControl>& sc, int32_t fixedTransformHint) {
     layer_state_t* s = getLayerState(sc);
@@ -1855,7 +1896,7 @@
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrameTimelineInfo(
         const FrameTimelineInfo& frameTimelineInfo) {
-    mFrameTimelineInfo.merge(frameTimelineInfo);
+    mergeFrameTimelineInfo(mFrameTimelineInfo, frameTimelineInfo);
     return *this;
 }
 
@@ -1949,6 +1990,23 @@
     return *this;
 }
 
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::enableBorder(
+        const sp<SurfaceControl>& sc, bool shouldEnable, float width, const half4& color) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+
+    s->what |= layer_state_t::eRenderBorderChanged;
+    s->borderEnabled = shouldEnable;
+    s->borderWidth = width;
+    s->borderColor = color;
+
+    registerSurfaceControlForCallback(sc);
+    return *this;
+}
+
 // ---------------------------------------------------------------------------
 
 DisplayState& SurfaceComposerClient::Transaction::getDisplayState(const sp<IBinder>& token) {
@@ -2004,7 +2062,6 @@
     s.layerStackSpaceRect = layerStackRect;
     s.orientedDisplaySpaceRect = displayRect;
     s.what |= DisplayState::eDisplayProjectionChanged;
-    mForceSynchronous = true; // TODO: do we actually still need this?
 }
 
 void SurfaceComposerClient::Transaction::setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height) {
@@ -2014,6 +2071,31 @@
     s.what |= DisplayState::eDisplaySizeChanged;
 }
 
+// copied from FrameTimelineInfo::merge()
+void SurfaceComposerClient::Transaction::mergeFrameTimelineInfo(FrameTimelineInfo& t,
+                                                                const FrameTimelineInfo& other) {
+    // When merging vsync Ids we take the oldest valid one
+    if (t.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID &&
+        other.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID) {
+        if (other.vsyncId > t.vsyncId) {
+            t.vsyncId = other.vsyncId;
+            t.inputEventId = other.inputEventId;
+            t.startTimeNanos = other.startTimeNanos;
+        }
+    } else if (t.vsyncId == FrameTimelineInfo::INVALID_VSYNC_ID) {
+        t.vsyncId = other.vsyncId;
+        t.inputEventId = other.inputEventId;
+        t.startTimeNanos = other.startTimeNanos;
+    }
+}
+
+// copied from FrameTimelineInfo::clear()
+void SurfaceComposerClient::Transaction::clearFrameTimelineInfo(FrameTimelineInfo& t) {
+    t.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+    t.inputEventId = os::IInputConstants::INVALID_INPUT_EVENT_ID;
+    t.startTimeNanos = 0;
+}
+
 // ---------------------------------------------------------------------------
 
 SurfaceComposerClient::SurfaceComposerClient() : mStatus(NO_INIT) {}
@@ -2022,11 +2104,11 @@
       : mStatus(NO_ERROR), mClient(client) {}
 
 void SurfaceComposerClient::onFirstRef() {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr && mStatus == NO_INIT) {
         sp<ISurfaceComposerClient> conn;
-        conn = sf->createConnection();
-        if (conn != nullptr) {
+        binder::Status status = sf->createConnection(&conn);
+        if (status.isOk() && conn != nullptr) {
             mClient = conn;
             mStatus = NO_ERROR;
         }
@@ -2064,7 +2146,7 @@
 }
 
 sp<SurfaceControl> SurfaceComposerClient::createSurface(const String8& name, uint32_t w, uint32_t h,
-                                                        PixelFormat format, uint32_t flags,
+                                                        PixelFormat format, int32_t flags,
                                                         const sp<IBinder>& parentHandle,
                                                         LayerMetadata metadata,
                                                         uint32_t* outTransformHint) {
@@ -2074,38 +2156,9 @@
     return s;
 }
 
-sp<SurfaceControl> SurfaceComposerClient::createWithSurfaceParent(const String8& name, uint32_t w,
-                                                                  uint32_t h, PixelFormat format,
-                                                                  uint32_t flags, Surface* parent,
-                                                                  LayerMetadata metadata,
-                                                                  uint32_t* outTransformHint) {
-    sp<SurfaceControl> sur;
-    status_t err = mStatus;
-
-    if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> parentGbp = parent->getIGraphicBufferProducer();
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createWithSurfaceParent(name, w, h, format, flags, parentGbp,
-                                               std::move(metadata), &handle, &gbp, &id,
-                                               &transformHint);
-        if (outTransformHint) {
-            *outTransformHint = transformHint;
-        }
-        ALOGE_IF(err, "SurfaceComposerClient::createWithSurfaceParent error %s", strerror(-err));
-        if (err == NO_ERROR) {
-            return new SurfaceControl(this, handle, gbp, id, transformHint);
-        }
-    }
-    return nullptr;
-}
-
 status_t SurfaceComposerClient::createSurfaceChecked(const String8& name, uint32_t w, uint32_t h,
                                                      PixelFormat format,
-                                                     sp<SurfaceControl>* outSurface, uint32_t flags,
+                                                     sp<SurfaceControl>* outSurface, int32_t flags,
                                                      const sp<IBinder>& parentHandle,
                                                      LayerMetadata metadata,
                                                      uint32_t* outTransformHint) {
@@ -2113,21 +2166,17 @@
     status_t err = mStatus;
 
     if (mStatus == NO_ERROR) {
-        sp<IBinder> handle;
-        sp<IGraphicBufferProducer> gbp;
-
-        uint32_t transformHint = 0;
-        int32_t id = -1;
-        err = mClient->createSurface(name, w, h, format, flags, parentHandle, std::move(metadata),
-                                     &handle, &gbp, &id, &transformHint);
-
+        gui::CreateSurfaceResult result;
+        binder::Status status = mClient->createSurface(std::string(name.string()), flags,
+                                                       parentHandle, std::move(metadata), &result);
+        err = statusTFromBinderStatus(status);
         if (outTransformHint) {
-            *outTransformHint = transformHint;
+            *outTransformHint = result.transformHint;
         }
         ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err));
         if (err == NO_ERROR) {
-            *outSurface =
-                    new SurfaceControl(this, handle, gbp, id, w, h, format, transformHint, flags);
+            *outSurface = new SurfaceControl(this, result.handle, result.layerId, w, h, format,
+                                             result.transformHint, flags);
         }
     }
     return err;
@@ -2138,12 +2187,22 @@
         return nullptr;
     }
 
-    sp<IBinder> handle;
     sp<IBinder> mirrorFromHandle = mirrorFromSurface->getHandle();
-    int32_t layer_id = -1;
-    status_t err = mClient->mirrorSurface(mirrorFromHandle, &handle, &layer_id);
+    gui::MirrorSurfaceResult result;
+    const binder::Status status = mClient->mirrorSurface(mirrorFromHandle, &result);
+    const status_t err = statusTFromBinderStatus(status);
     if (err == NO_ERROR) {
-        return new SurfaceControl(this, handle, nullptr, layer_id, true /* owned */);
+        return new SurfaceControl(this, result.handle, result.layerId);
+    }
+    return nullptr;
+}
+
+sp<SurfaceControl> SurfaceComposerClient::mirrorDisplay(DisplayId displayId) {
+    gui::MirrorSurfaceResult result;
+    const binder::Status status = mClient->mirrorDisplay(displayId.value, &result);
+    const status_t err = statusTFromBinderStatus(status);
+    if (err == NO_ERROR) {
+        return new SurfaceControl(this, result.handle, result.layerId);
     }
     return nullptr;
 }
@@ -2152,7 +2211,8 @@
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->clearLayerFrameStats(token);
+    const binder::Status status = mClient->clearLayerFrameStats(token);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getLayerFrameStats(const sp<IBinder>& token,
@@ -2160,19 +2220,38 @@
     if (mStatus != NO_ERROR) {
         return mStatus;
     }
-    return mClient->getLayerFrameStats(token, outStats);
+    gui::FrameStats stats;
+    const binder::Status status = mClient->getLayerFrameStats(token, &stats);
+    if (status.isOk()) {
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.setCapacity(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.add(t);
+        }
+        outStats->actualPresentTimesNano.setCapacity(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.add(t);
+        }
+        outStats->frameReadyTimesNano.setCapacity(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.add(t);
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 // ----------------------------------------------------------------------------
 
 status_t SurfaceComposerClient::enableVSyncInjections(bool enable) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->enableVSyncInjections(enable);
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+    binder::Status status = sf->enableVSyncInjections(enable);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::injectVSync(nsecs_t when) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->injectVSync(when);
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+    binder::Status status = sf->injectVSync(when);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayState(const sp<IBinder>& display,
@@ -2186,17 +2265,106 @@
         state->layerStackSpaceRect =
                 ui::Size(ds.layerStackSpaceRect.width, ds.layerStackSpaceRect.height);
     }
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getStaticDisplayInfo(const sp<IBinder>& display,
-                                                     ui::StaticDisplayInfo* info) {
-    return ComposerService::getComposerService()->getStaticDisplayInfo(display, info);
+                                                     ui::StaticDisplayInfo* outInfo) {
+    using Tag = android::gui::DeviceProductInfo::ManufactureOrModelDate::Tag;
+    gui::StaticDisplayInfo ginfo;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getStaticDisplayInfo(display, &ginfo);
+    if (status.isOk()) {
+        // convert gui::StaticDisplayInfo to ui::StaticDisplayInfo
+        outInfo->connectionType = static_cast<ui::DisplayConnectionType>(ginfo.connectionType);
+        outInfo->density = ginfo.density;
+        outInfo->secure = ginfo.secure;
+        outInfo->installOrientation = static_cast<ui::Rotation>(ginfo.installOrientation);
+
+        DeviceProductInfo info;
+        std::optional<gui::DeviceProductInfo> dpi = ginfo.deviceProductInfo;
+        gui::DeviceProductInfo::ManufactureOrModelDate& date = dpi->manufactureOrModelDate;
+        info.name = dpi->name;
+        if (dpi->manufacturerPnpId.size() > 0) {
+            // copid from PnpId = std::array<char, 4> in ui/DeviceProductInfo.h
+            constexpr int kMaxPnpIdSize = 4;
+            size_t count = std::max<size_t>(kMaxPnpIdSize, dpi->manufacturerPnpId.size());
+            std::copy_n(dpi->manufacturerPnpId.begin(), count, info.manufacturerPnpId.begin());
+        }
+        if (dpi->relativeAddress.size() > 0) {
+            std::copy(dpi->relativeAddress.begin(), dpi->relativeAddress.end(),
+                      std::back_inserter(info.relativeAddress));
+        }
+        info.productId = dpi->productId;
+        if (date.getTag() == Tag::modelYear) {
+            DeviceProductInfo::ModelYear modelYear;
+            modelYear.year = static_cast<uint32_t>(date.get<Tag::modelYear>().year);
+            info.manufactureOrModelDate = modelYear;
+        } else if (date.getTag() == Tag::manufactureYear) {
+            DeviceProductInfo::ManufactureYear manufactureYear;
+            manufactureYear.year = date.get<Tag::manufactureYear>().modelYear.year;
+            info.manufactureOrModelDate = manufactureYear;
+        } else if (date.getTag() == Tag::manufactureWeekAndYear) {
+            DeviceProductInfo::ManufactureWeekAndYear weekAndYear;
+            weekAndYear.year =
+                    date.get<Tag::manufactureWeekAndYear>().manufactureYear.modelYear.year;
+            weekAndYear.week = date.get<Tag::manufactureWeekAndYear>().week;
+            info.manufactureOrModelDate = weekAndYear;
+        }
+
+        outInfo->deviceProductInfo = info;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDynamicDisplayInfo(const sp<IBinder>& display,
-                                                      ui::DynamicDisplayInfo* info) {
-    return ComposerService::getComposerService()->getDynamicDisplayInfo(display, info);
+                                                      ui::DynamicDisplayInfo* outInfo) {
+    gui::DynamicDisplayInfo ginfo;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDynamicDisplayInfo(display, &ginfo);
+    if (status.isOk()) {
+        // convert gui::DynamicDisplayInfo to ui::DynamicDisplayInfo
+        outInfo->supportedDisplayModes.clear();
+        outInfo->supportedDisplayModes.reserve(ginfo.supportedDisplayModes.size());
+        for (const auto& mode : ginfo.supportedDisplayModes) {
+            ui::DisplayMode outMode;
+            outMode.id = mode.id;
+            outMode.resolution.width = mode.resolution.width;
+            outMode.resolution.height = mode.resolution.height;
+            outMode.xDpi = mode.xDpi;
+            outMode.yDpi = mode.yDpi;
+            outMode.refreshRate = mode.refreshRate;
+            outMode.appVsyncOffset = mode.appVsyncOffset;
+            outMode.sfVsyncOffset = mode.sfVsyncOffset;
+            outMode.presentationDeadline = mode.presentationDeadline;
+            outMode.group = mode.group;
+            outInfo->supportedDisplayModes.push_back(outMode);
+        }
+
+        outInfo->activeDisplayModeId = ginfo.activeDisplayModeId;
+
+        outInfo->supportedColorModes.clear();
+        outInfo->supportedColorModes.reserve(ginfo.supportedColorModes.size());
+        for (const auto& cmode : ginfo.supportedColorModes) {
+            outInfo->supportedColorModes.push_back(static_cast<ui::ColorMode>(cmode));
+        }
+
+        outInfo->activeColorMode = static_cast<ui::ColorMode>(ginfo.activeColorMode);
+
+        std::vector<ui::Hdr> types;
+        types.reserve(ginfo.hdrCapabilities.supportedHdrTypes.size());
+        for (const auto& hdr : ginfo.hdrCapabilities.supportedHdrTypes) {
+            types.push_back(static_cast<ui::Hdr>(hdr));
+        }
+        outInfo->hdrCapabilities = HdrCapabilities(types, ginfo.hdrCapabilities.maxLuminance,
+                                                   ginfo.hdrCapabilities.maxAverageLuminance,
+                                                   ginfo.hdrCapabilities.minLuminance);
+
+        outInfo->autoLowLatencyModeSupported = ginfo.autoLowLatencyModeSupported;
+        outInfo->gameContentTypeSupported = ginfo.gameContentTypeSupported;
+        outInfo->preferredBootDisplayMode = ginfo.preferredBootDisplayMode;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getActiveDisplayMode(const sp<IBinder>& display,
@@ -2220,10 +2388,13 @@
         const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode, bool allowGroupSwitching,
         float primaryRefreshRateMin, float primaryRefreshRateMax, float appRequestRefreshRateMin,
         float appRequestRefreshRateMax) {
-    return ComposerService::getComposerService()
-            ->setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
-                                         primaryRefreshRateMin, primaryRefreshRateMax,
-                                         appRequestRefreshRateMin, appRequestRefreshRateMax);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()
+                    ->setDesiredDisplayModeSpecs(displayToken, defaultMode, allowGroupSwitching,
+                                                 primaryRefreshRateMin, primaryRefreshRateMax,
+                                                 appRequestRefreshRateMin,
+                                                 appRequestRefreshRateMax);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
@@ -2233,41 +2404,81 @@
                                                            float* outPrimaryRefreshRateMax,
                                                            float* outAppRequestRefreshRateMin,
                                                            float* outAppRequestRefreshRateMax) {
-    return ComposerService::getComposerService()
-            ->getDesiredDisplayModeSpecs(displayToken, outDefaultMode, outAllowGroupSwitching,
-                                         outPrimaryRefreshRateMin, outPrimaryRefreshRateMax,
-                                         outAppRequestRefreshRateMin, outAppRequestRefreshRateMax);
+    if (!outDefaultMode || !outAllowGroupSwitching || !outPrimaryRefreshRateMin ||
+        !outPrimaryRefreshRateMax || !outAppRequestRefreshRateMin || !outAppRequestRefreshRateMax) {
+        return BAD_VALUE;
+    }
+    gui::DisplayModeSpecs specs;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDesiredDisplayModeSpecs(displayToken,
+                                                                                  &specs);
+    if (status.isOk()) {
+        *outDefaultMode = specs.defaultMode;
+        *outAllowGroupSwitching = specs.allowGroupSwitching;
+        *outPrimaryRefreshRateMin = specs.primaryRefreshRateMin;
+        *outPrimaryRefreshRateMax = specs.primaryRefreshRateMax;
+        *outAppRequestRefreshRateMin = specs.appRequestRefreshRateMin;
+        *outAppRequestRefreshRateMax = specs.appRequestRefreshRateMax;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayNativePrimaries(const sp<IBinder>& display,
         ui::DisplayPrimaries& outPrimaries) {
-    return ComposerService::getComposerService()->getDisplayNativePrimaries(display, outPrimaries);
+    gui::DisplayPrimaries primaries;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayNativePrimaries(display,
+                                                                                 &primaries);
+    if (status.isOk()) {
+        outPrimaries.red.X = primaries.red.X;
+        outPrimaries.red.Y = primaries.red.Y;
+        outPrimaries.red.Z = primaries.red.Z;
+
+        outPrimaries.green.X = primaries.green.X;
+        outPrimaries.green.Y = primaries.green.Y;
+        outPrimaries.green.Z = primaries.green.Z;
+
+        outPrimaries.blue.X = primaries.blue.X;
+        outPrimaries.blue.Y = primaries.blue.Y;
+        outPrimaries.blue.Z = primaries.blue.Z;
+
+        outPrimaries.white.X = primaries.white.X;
+        outPrimaries.white.Y = primaries.white.Y;
+        outPrimaries.white.Z = primaries.white.Z;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setActiveColorMode(const sp<IBinder>& display,
         ColorMode colorMode) {
-    return ComposerService::getComposerService()->setActiveColorMode(display, colorMode);
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->setActiveColorMode(display, static_cast<int>(colorMode));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getBootDisplayModeSupport(bool* support) {
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->getBootDisplayModeSupport(support);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setBootDisplayMode(const sp<IBinder>& display,
                                                    ui::DisplayModeId displayModeId) {
-    return ComposerService::getComposerService()->setBootDisplayMode(display, displayModeId);
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->setBootDisplayMode(display, static_cast<int>(displayModeId));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::clearBootDisplayMode(const sp<IBinder>& display) {
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->clearBootDisplayMode(display);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setOverrideFrameRate(uid_t uid, float frameRate) {
-    return ComposerService::getComposerService()->setOverrideFrameRate(uid, frameRate);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->setOverrideFrameRate(uid, frameRate);
+    return statusTFromBinderStatus(status);
 }
 
 void SurfaceComposerClient::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
@@ -2286,57 +2497,137 @@
 status_t SurfaceComposerClient::getCompositionPreference(
         ui::Dataspace* defaultDataspace, ui::PixelFormat* defaultPixelFormat,
         ui::Dataspace* wideColorGamutDataspace, ui::PixelFormat* wideColorGamutPixelFormat) {
-    return ComposerService::getComposerService()
-            ->getCompositionPreference(defaultDataspace, defaultPixelFormat,
-                                       wideColorGamutDataspace, wideColorGamutPixelFormat);
+    gui::CompositionPreference pref;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getCompositionPreference(&pref);
+    if (status.isOk()) {
+        *defaultDataspace = static_cast<ui::Dataspace>(pref.defaultDataspace);
+        *defaultPixelFormat = static_cast<ui::PixelFormat>(pref.defaultPixelFormat);
+        *wideColorGamutDataspace = static_cast<ui::Dataspace>(pref.wideColorGamutDataspace);
+        *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(pref.wideColorGamutPixelFormat);
+    }
+    return statusTFromBinderStatus(status);
 }
 
 bool SurfaceComposerClient::getProtectedContentSupport() {
     bool supported = false;
-    ComposerService::getComposerService()->getProtectedContentSupport(&supported);
+    ComposerServiceAIDL::getComposerService()->getProtectedContentSupport(&supported);
     return supported;
 }
 
 status_t SurfaceComposerClient::clearAnimationFrameStats() {
-    return ComposerService::getComposerService()->clearAnimationFrameStats();
+    binder::Status status = ComposerServiceAIDL::getComposerService()->clearAnimationFrameStats();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getAnimationFrameStats(FrameStats* outStats) {
-    return ComposerService::getComposerService()->getAnimationFrameStats(outStats);
+    gui::FrameStats stats;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getAnimationFrameStats(&stats);
+    if (status.isOk()) {
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.setCapacity(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.add(t);
+        }
+        outStats->actualPresentTimesNano.setCapacity(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.add(t);
+        }
+        outStats->frameReadyTimesNano.setCapacity(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.add(t);
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::overrideHdrTypes(const sp<IBinder>& display,
                                                  const std::vector<ui::Hdr>& hdrTypes) {
-    return ComposerService::getComposerService()->overrideHdrTypes(display, hdrTypes);
+    std::vector<int32_t> hdrTypesVector;
+    hdrTypesVector.reserve(hdrTypes.size());
+    for (auto t : hdrTypes) {
+        hdrTypesVector.push_back(static_cast<int32_t>(t));
+    }
+
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->overrideHdrTypes(display, hdrTypesVector);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::onPullAtom(const int32_t atomId, std::string* outData,
                                            bool* success) {
-    return ComposerService::getComposerService()->onPullAtom(atomId, outData, success);
+    gui::PullAtomData pad;
+    binder::Status status = ComposerServiceAIDL::getComposerService()->onPullAtom(atomId, &pad);
+    if (status.isOk()) {
+        outData->assign((const char*)pad.data.data(), pad.data.size());
+        *success = pad.success;
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
                                                                       ui::PixelFormat* outFormat,
                                                                       ui::Dataspace* outDataspace,
                                                                       uint8_t* outComponentMask) {
-    return ComposerService::getComposerService()
-            ->getDisplayedContentSamplingAttributes(display, outFormat, outDataspace,
-                                                    outComponentMask);
+    if (!outFormat || !outDataspace || !outComponentMask) {
+        return BAD_VALUE;
+    }
+
+    gui::ContentSamplingAttributes attrs;
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->getDisplayedContentSamplingAttributes(display, &attrs);
+    if (status.isOk()) {
+        *outFormat = static_cast<ui::PixelFormat>(attrs.format);
+        *outDataspace = static_cast<ui::Dataspace>(attrs.dataspace);
+        *outComponentMask = static_cast<uint8_t>(attrs.componentMask);
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
                                                                  bool enable, uint8_t componentMask,
                                                                  uint64_t maxFrames) {
-    return ComposerService::getComposerService()->setDisplayContentSamplingEnabled(display, enable,
-                                                                                   componentMask,
-                                                                                   maxFrames);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()
+                    ->setDisplayContentSamplingEnabled(display, enable,
+                                                       static_cast<int8_t>(componentMask),
+                                                       static_cast<int64_t>(maxFrames));
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSample(const sp<IBinder>& display,
                                                           uint64_t maxFrames, uint64_t timestamp,
                                                           DisplayedFrameStats* outStats) {
-    return ComposerService::getComposerService()->getDisplayedContentSample(display, maxFrames,
-                                                                            timestamp, outStats);
+    if (!outStats) {
+        return BAD_VALUE;
+    }
+
+    gui::DisplayedFrameStats stats;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayedContentSample(display, maxFrames,
+                                                                                 timestamp, &stats);
+    if (status.isOk()) {
+        // convert gui::DisplayedFrameStats to ui::DisplayedFrameStats
+        outStats->numFrames = static_cast<uint64_t>(stats.numFrames);
+        outStats->component_0_sample.reserve(stats.component_0_sample.size());
+        for (const auto& s : stats.component_0_sample) {
+            outStats->component_0_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_1_sample.reserve(stats.component_1_sample.size());
+        for (const auto& s : stats.component_1_sample) {
+            outStats->component_1_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_2_sample.reserve(stats.component_2_sample.size());
+        for (const auto& s : stats.component_2_sample) {
+            outStats->component_2_sample.push_back(static_cast<uint64_t>(s));
+        }
+        outStats->component_3_sample.reserve(stats.component_3_sample.size());
+        for (const auto& s : stats.component_3_sample) {
+            outStats->component_3_sample.push_back(static_cast<uint64_t>(s));
+        }
+    }
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::isWideColorDisplay(const sp<IBinder>& display,
@@ -2344,39 +2635,55 @@
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->isWideColorDisplay(display,
                                                                           outIsWideColorDisplay);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addRegionSamplingListener(
         const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
         const sp<IRegionSamplingListener>& listener) {
-    return ComposerService::getComposerService()->addRegionSamplingListener(samplingArea,
-                                                                            stopLayerHandle,
-                                                                            listener);
+    gui::ARect rect;
+    rect.left = samplingArea.left;
+    rect.top = samplingArea.top;
+    rect.right = samplingArea.right;
+    rect.bottom = samplingArea.bottom;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addRegionSamplingListener(rect,
+                                                                                 stopLayerHandle,
+                                                                                 listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeRegionSamplingListener(
         const sp<IRegionSamplingListener>& listener) {
-    return ComposerService::getComposerService()->removeRegionSamplingListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->removeRegionSamplingListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addFpsListener(int32_t taskId,
                                                const sp<gui::IFpsListener>& listener) {
-    return ComposerService::getComposerService()->addFpsListener(taskId, listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addFpsListener(taskId, listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeFpsListener(const sp<gui::IFpsListener>& listener) {
-    return ComposerService::getComposerService()->removeFpsListener(listener);
+    binder::Status status = ComposerServiceAIDL::getComposerService()->removeFpsListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addTunnelModeEnabledListener(
         const sp<gui::ITunnelModeEnabledListener>& listener) {
-    return ComposerService::getComposerService()->addTunnelModeEnabledListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->addTunnelModeEnabledListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeTunnelModeEnabledListener(
         const sp<gui::ITunnelModeEnabledListener>& listener) {
-    return ComposerService::getComposerService()->removeTunnelModeEnabledListener(listener);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->removeTunnelModeEnabledListener(listener);
+    return statusTFromBinderStatus(status);
 }
 
 bool SurfaceComposerClient::getDisplayBrightnessSupport(const sp<IBinder>& displayToken) {
@@ -2392,7 +2699,7 @@
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->setDisplayBrightness(displayToken,
                                                                             brightness);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::addHdrLayerInfoListener(
@@ -2400,7 +2707,7 @@
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->addHdrLayerInfoListener(displayToken,
                                                                                listener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::removeHdrLayerInfoListener(
@@ -2408,45 +2715,80 @@
     binder::Status status =
             ComposerServiceAIDL::getComposerService()->removeHdrLayerInfoListener(displayToken,
                                                                                   listener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::notifyPowerBoost(int32_t boostId) {
     binder::Status status = ComposerServiceAIDL::getComposerService()->notifyPowerBoost(boostId);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t SurfaceComposerClient::setGlobalShadowSettings(const half4& ambientColor,
                                                         const half4& spotColor, float lightPosY,
                                                         float lightPosZ, float lightRadius) {
-    return ComposerService::getComposerService()->setGlobalShadowSettings(ambientColor, spotColor,
-                                                                          lightPosY, lightPosZ,
-                                                                          lightRadius);
+    gui::Color ambientColorG, spotColorG;
+    ambientColorG.r = ambientColor.r;
+    ambientColorG.g = ambientColor.g;
+    ambientColorG.b = ambientColor.b;
+    ambientColorG.a = ambientColor.a;
+    spotColorG.r = spotColor.r;
+    spotColorG.g = spotColor.g;
+    spotColorG.b = spotColor.b;
+    spotColorG.a = spotColor.a;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->setGlobalShadowSettings(ambientColorG,
+                                                                               spotColorG,
+                                                                               lightPosY, lightPosZ,
+                                                                               lightRadius);
+    return statusTFromBinderStatus(status);
 }
 
 std::optional<DisplayDecorationSupport> SurfaceComposerClient::getDisplayDecorationSupport(
         const sp<IBinder>& displayToken) {
+    std::optional<gui::DisplayDecorationSupport> gsupport;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getDisplayDecorationSupport(displayToken,
+                                                                                   &gsupport);
     std::optional<DisplayDecorationSupport> support;
-    ComposerService::getComposerService()->getDisplayDecorationSupport(displayToken, &support);
+    // TODO (b/241277093): Remove `false && ` once b/241278870 is fixed.
+    if (false && status.isOk() && gsupport.has_value()) {
+        support.emplace(DisplayDecorationSupport{
+          .format =
+                static_cast<aidl::android::hardware::graphics::common::PixelFormat>(
+                gsupport->format),
+          .alphaInterpretation =
+                static_cast<aidl::android::hardware::graphics::common::AlphaInterpretation>(
+                        gsupport->alphaInterpretation)
+        });
+    }
     return support;
 }
 
-int SurfaceComposerClient::getGPUContextPriority() {
-    return ComposerService::getComposerService()->getGPUContextPriority();
+int SurfaceComposerClient::getGpuContextPriority() {
+    int priority;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getGpuContextPriority(&priority);
+    if (!status.isOk()) {
+        status_t err = statusTFromBinderStatus(status);
+        ALOGE("getGpuContextPriority failed to read data:  %s (%d)", strerror(-err), err);
+        return 0;
+    }
+    return priority;
 }
 
 status_t SurfaceComposerClient::addWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
         std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo) {
     return WindowInfosListenerReporter::getInstance()
-            ->addWindowInfosListener(windowInfosListener, ComposerService::getComposerService(),
+            ->addWindowInfosListener(windowInfosListener, ComposerServiceAIDL::getComposerService(),
                                      outInitialInfo);
 }
 
 status_t SurfaceComposerClient::removeWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener) {
     return WindowInfosListenerReporter::getInstance()
-            ->removeWindowInfosListener(windowInfosListener, ComposerService::getComposerService());
+            ->removeWindowInfosListener(windowInfosListener,
+                                        ComposerServiceAIDL::getComposerService());
 }
 
 // ----------------------------------------------------------------------------
@@ -2457,7 +2799,7 @@
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureDisplay(captureArgs, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t ScreenshotClient::captureDisplay(DisplayId displayId,
@@ -2466,7 +2808,7 @@
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureDisplayById(displayId.value, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 status_t ScreenshotClient::captureLayers(const LayerCaptureArgs& captureArgs,
@@ -2475,7 +2817,7 @@
     if (s == nullptr) return NO_INIT;
 
     binder::Status status = s->captureLayers(captureArgs, captureListener);
-    return status.transactionError();
+    return statusTFromBinderStatus(status);
 }
 
 // ---------------------------------------------------------------------------------
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 654fb33..84257de 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -49,12 +49,10 @@
 // ============================================================================
 
 SurfaceControl::SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                               const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                               uint32_t w, uint32_t h, PixelFormat format, uint32_t transform,
-                               uint32_t flags)
+                               int32_t layerId, uint32_t w, uint32_t h, PixelFormat format,
+                               uint32_t transform, uint32_t flags)
       : mClient(client),
         mHandle(handle),
-        mGraphicBufferProducer(gbp),
         mLayerId(layerId),
         mTransformHint(transform),
         mWidth(w),
@@ -65,7 +63,6 @@
 SurfaceControl::SurfaceControl(const sp<SurfaceControl>& other) {
     mClient = other->mClient;
     mHandle = other->mHandle;
-    mGraphicBufferProducer = other->mGraphicBufferProducer;
     mTransformHint = other->mTransformHint;
     mLayerId = other->mLayerId;
     mWidth = other->mWidth;
@@ -165,11 +162,11 @@
 
 void SurfaceControl::updateDefaultBufferSize(uint32_t width, uint32_t height) {
     Mutex::Autolock _l(mLock);
-    mWidth = width; mHeight = height;
+    mWidth = width;
+    mHeight = height;
     if (mBbq) {
         mBbq->update(mBbqChild, width, height, mFormat);
     }
-
 }
 
 sp<IBinder> SurfaceControl::getLayerStateHandle() const
@@ -245,9 +242,7 @@
     *outSurfaceControl =
             new SurfaceControl(new SurfaceComposerClient(
                                        interface_cast<ISurfaceComposerClient>(client)),
-                               handle.get(), nullptr, layerId,
-                               width, height, format,
-                               transformHint);
+                               handle.get(), layerId, width, height, format, transformHint);
 
     return NO_ERROR;
 }
diff --git a/libs/gui/TransactionTracing.cpp b/libs/gui/TransactionTracing.cpp
index eedc3df..59450fb 100644
--- a/libs/gui/TransactionTracing.cpp
+++ b/libs/gui/TransactionTracing.cpp
@@ -15,9 +15,9 @@
  */
 
 #include "gui/TransactionTracing.h"
-#include "gui/ISurfaceComposer.h"
+#include "android/gui/ISurfaceComposer.h"
 
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 
 namespace android {
 
@@ -32,7 +32,7 @@
     if (sInstance == nullptr) {
         sInstance = new TransactionTraceListener;
 
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+        sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
         sf->addTransactionTraceListener(sInstance);
     }
 
@@ -50,4 +50,4 @@
     return mTracingEnabled;
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/libs/gui/WindowInfo.cpp b/libs/gui/WindowInfo.cpp
index 4e966d1..804ce4f 100644
--- a/libs/gui/WindowInfo.cpp
+++ b/libs/gui/WindowInfo.cpp
@@ -76,7 +76,7 @@
             info.inputConfig == inputConfig && info.displayId == displayId &&
             info.replaceTouchableRegionWithCrop == replaceTouchableRegionWithCrop &&
             info.applicationInfo == applicationInfo && info.layoutParamsType == layoutParamsType &&
-            info.layoutParamsFlags == layoutParamsFlags && info.isClone == isClone;
+            info.layoutParamsFlags == layoutParamsFlags;
 }
 
 status_t WindowInfo::writeToParcel(android::Parcel* parcel) const {
@@ -124,8 +124,7 @@
         parcel->write(touchableRegion) ?:
         parcel->writeBool(replaceTouchableRegionWithCrop) ?:
         parcel->writeStrongBinder(touchableRegionCropHandle.promote()) ?:
-        parcel->writeStrongBinder(windowToken) ?:
-        parcel->writeBool(isClone);
+        parcel->writeStrongBinder(windowToken);
     // clang-format on
     return status;
 }
@@ -176,8 +175,7 @@
         parcel->read(touchableRegion) ?:
         parcel->readBool(&replaceTouchableRegionWithCrop) ?:
         parcel->readNullableStrongBinder(&touchableRegionCropHandleSp) ?:
-        parcel->readNullableStrongBinder(&windowToken) ?:
-        parcel->readBool(&isClone);
+        parcel->readNullableStrongBinder(&windowToken);
     // clang-format on
 
     if (status != OK) {
diff --git a/libs/gui/WindowInfosListenerReporter.cpp b/libs/gui/WindowInfosListenerReporter.cpp
index cfc7dbc..01e865d 100644
--- a/libs/gui/WindowInfosListenerReporter.cpp
+++ b/libs/gui/WindowInfosListenerReporter.cpp
@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 
-#include <gui/ISurfaceComposer.h>
+#include <android/gui/ISurfaceComposer.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/WindowInfosListenerReporter.h>
 
 namespace android {
@@ -23,6 +24,7 @@
 using gui::IWindowInfosReportedListener;
 using gui::WindowInfo;
 using gui::WindowInfosListener;
+using gui::aidl_utils::statusTFromBinderStatus;
 
 sp<WindowInfosListenerReporter> WindowInfosListenerReporter::getInstance() {
     static sp<WindowInfosListenerReporter> sInstance = new WindowInfosListenerReporter;
@@ -31,13 +33,14 @@
 
 status_t WindowInfosListenerReporter::addWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
-        const sp<ISurfaceComposer>& surfaceComposer,
+        const sp<gui::ISurfaceComposer>& surfaceComposer,
         std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo) {
     status_t status = OK;
     {
         std::scoped_lock lock(mListenersMutex);
         if (mWindowInfosListeners.empty()) {
-            status = surfaceComposer->addWindowInfosListener(this);
+            binder::Status s = surfaceComposer->addWindowInfosListener(this);
+            status = statusTFromBinderStatus(s);
         }
 
         if (status == OK) {
@@ -55,12 +58,13 @@
 
 status_t WindowInfosListenerReporter::removeWindowInfosListener(
         const sp<WindowInfosListener>& windowInfosListener,
-        const sp<ISurfaceComposer>& surfaceComposer) {
+        const sp<gui::ISurfaceComposer>& surfaceComposer) {
     status_t status = OK;
     {
         std::scoped_lock lock(mListenersMutex);
         if (mWindowInfosListeners.size() == 1) {
-            status = surfaceComposer->removeWindowInfosListener(this);
+            binder::Status s = surfaceComposer->removeWindowInfosListener(this);
+            status = statusTFromBinderStatus(s);
             // Clear the last stored state since we're disabling updates and don't want to hold
             // stale values
             mLastWindowInfos.clear();
@@ -78,7 +82,8 @@
 binder::Status WindowInfosListenerReporter::onWindowInfosChanged(
         const std::vector<WindowInfo>& windowInfos, const std::vector<DisplayInfo>& displayInfos,
         const sp<IWindowInfosReportedListener>& windowInfosReportedListener) {
-    std::unordered_set<sp<WindowInfosListener>, SpHash<WindowInfosListener>> windowInfosListeners;
+    std::unordered_set<sp<WindowInfosListener>, gui::SpHash<WindowInfosListener>>
+            windowInfosListeners;
 
     {
         std::scoped_lock lock(mListenersMutex);
@@ -101,7 +106,7 @@
     return binder::Status::ok();
 }
 
-void WindowInfosListenerReporter::reconnect(const sp<ISurfaceComposer>& composerService) {
+void WindowInfosListenerReporter::reconnect(const sp<gui::ISurfaceComposer>& composerService) {
     std::scoped_lock lock(mListenersMutex);
     if (!mWindowInfosListeners.empty()) {
         composerService->addWindowInfosListener(this);
diff --git a/libs/gui/aidl/android/gui/Rect.aidl b/libs/gui/aidl/android/gui/ARect.aidl
similarity index 98%
rename from libs/gui/aidl/android/gui/Rect.aidl
rename to libs/gui/aidl/android/gui/ARect.aidl
index 1b13761..5785907 100644
--- a/libs/gui/aidl/android/gui/Rect.aidl
+++ b/libs/gui/aidl/android/gui/ARect.aidl
@@ -20,7 +20,7 @@
 // TODO(b/221473398):
 // use hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
 /** @hide */
-parcelable Rect {
+parcelable ARect {
     /// Minimum X coordinate of the rectangle.
     int left;
 
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/Color.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/Color.aidl
index 6929a6c..12af066 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/Color.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,12 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable Color {
+    float r;
+    float g;
+    float b;
+    float a;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/CompositionPreference.aidl
similarity index 63%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/CompositionPreference.aidl
index 6929a6c..b615824 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/CompositionPreference.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,12 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable CompositionPreference {
+    int /*ui::Dataspace*/   defaultDataspace;
+    int /*ui::PixelFormat*/ defaultPixelFormat;
+    int /*ui::Dataspace*/   wideColorGamutDataspace;
+    int /*ui::PixelFormat*/ wideColorGamutPixelFormat;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
index 6929a6c..5d913b1 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,11 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable ContentSamplingAttributes {
+    int /*ui::PixelFormat*/ format;
+    int /*ui::Dataspace*/ dataspace;
+    byte componentMask;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
similarity index 64%
rename from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
rename to libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
index 6929a6c..39e4916 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/CreateSurfaceResult.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,11 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable CreateSurfaceResult {
+    IBinder handle;
+    int layerId;
+    int transformHint;
 }
diff --git a/libs/gui/aidl/android/gui/DeviceProductInfo.aidl b/libs/gui/aidl/android/gui/DeviceProductInfo.aidl
new file mode 100644
index 0000000..98404cf
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DeviceProductInfo.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Product-specific information about the display or the directly connected device on the
+// display chain. For example, if the display is transitively connected, this field may contain
+// product information about the intermediate device.
+
+/** @hide */
+parcelable DeviceProductInfo {
+    parcelable ModelYear {
+        int year;
+    }
+
+    parcelable ManufactureYear {
+        ModelYear modelYear;
+    }
+
+    parcelable ManufactureWeekAndYear {
+        ManufactureYear manufactureYear;
+
+        // 1-base week number. Week numbering may not be consistent between manufacturers.
+        int week;
+    }
+
+    union ManufactureOrModelDate {
+        ModelYear modelYear;
+        ManufactureYear manufactureYear;
+        ManufactureWeekAndYear manufactureWeekAndYear;
+    }
+
+    // Display name.
+    @utf8InCpp String name;
+
+    // NULL-terminated Manufacturer plug and play ID.
+    byte[] manufacturerPnpId;
+
+    // Manufacturer product ID.
+    @utf8InCpp String productId;
+
+    ManufactureOrModelDate manufactureOrModelDate;
+
+    byte[] relativeAddress;
+}
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/DisplayConnectionType.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/DisplayConnectionType.aidl
index 6929a6c..72c4ede 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/DisplayConnectionType.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,11 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+@Backing(type="int")
+enum DisplayConnectionType {
+   Internal = 0,
+   External = 1
 }
diff --git a/libs/input/android/os/BlockUntrustedTouchesMode.aidl b/libs/gui/aidl/android/gui/DisplayDecorationSupport.aidl
similarity index 60%
rename from libs/input/android/os/BlockUntrustedTouchesMode.aidl
rename to libs/gui/aidl/android/gui/DisplayDecorationSupport.aidl
index 9504e99..0230496 100644
--- a/libs/input/android/os/BlockUntrustedTouchesMode.aidl
+++ b/libs/gui/aidl/android/gui/DisplayDecorationSupport.aidl
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2020, The Android Open Source Project
+ * Copyright (c) 2022, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,22 +14,12 @@
  * limitations under the License.
  */
 
-package android.os;
+package android.gui;
 
-
-/**
-  * Block untrusted touches feature mode.
-  *
-  * @hide
-  */
-@Backing(type="int")
-enum BlockUntrustedTouchesMode {
-    /** Feature is off. */
-    DISABLED,
-
-    /** Untrusted touches are flagged but not blocked. */
-    PERMISSIVE,
-
-    /** Untrusted touches are blocked. */
-    BLOCK
+// TODO(b/222607970):
+// remove this aidl and use android.hardware.graphics.common.DisplayDecorationSupport
+/** @hide */
+parcelable DisplayDecorationSupport {
+    int format;
+    int alphaInterpretation;
 }
diff --git a/libs/gui/aidl/android/gui/Rect.aidl b/libs/gui/aidl/android/gui/DisplayMode.aidl
similarity index 60%
copy from libs/gui/aidl/android/gui/Rect.aidl
copy to libs/gui/aidl/android/gui/DisplayMode.aidl
index 1b13761..3cd77f8 100644
--- a/libs/gui/aidl/android/gui/Rect.aidl
+++ b/libs/gui/aidl/android/gui/DisplayMode.aidl
@@ -16,20 +16,21 @@
 
 package android.gui;
 
-// copied from libs/arect/include/android/rect.h
-// TODO(b/221473398):
-// use hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
+import android.gui.Size;
+
+// Mode supported by physical display.
+// Make sure to sync with libui DisplayMode.h
+
 /** @hide */
-parcelable Rect {
-    /// Minimum X coordinate of the rectangle.
-    int left;
+parcelable DisplayMode {
+    int id;
+    Size resolution;
+    float xDpi = 0.0f;
+    float yDpi = 0.0f;
 
-    /// Minimum Y coordinate of the rectangle.
-    int top;
-
-    /// Maximum X coordinate of the rectangle.
-    int right;
-
-    /// Maximum Y coordinate of the rectangle.
-    int bottom;
+    float refreshRate = 0.0f;
+    long appVsyncOffset = 0;
+    long sfVsyncOffset = 0;
+    long presentationDeadline = 0;
+    int group = -1;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/DisplayModeSpecs.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/DisplayModeSpecs.aidl
index 6929a6c..fb4fcdf 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/DisplayModeSpecs.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,14 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable DisplayModeSpecs {
+    int defaultMode;
+    boolean allowGroupSwitching;
+    float primaryRefreshRateMin;
+    float primaryRefreshRateMax;
+    float appRequestRefreshRateMin;
+    float appRequestRefreshRateMax;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/DisplayPrimaries.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/DisplayPrimaries.aidl
index 6929a6c..dbf668c 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/DisplayPrimaries.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,20 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
+// copied from libui ConfigStoreTypes.h
 
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable DisplayPrimaries {
+    parcelable CieXyz {
+        float X;
+        float Y;
+        float Z;
+    }
+
+    CieXyz red;
+    CieXyz green;
+    CieXyz blue;
+    CieXyz white;
 }
diff --git a/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl b/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl
new file mode 100644
index 0000000..f4b6dad
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DisplayedFrameStats.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable DisplayedFrameStats {
+    /* The number of frames represented by this sample. */
+    long numFrames = 0;
+
+    /* A histogram counting how many times a pixel of a given value was displayed onscreen for
+     * FORMAT_COMPONENT_0. The buckets of the histogram are evenly weighted, the number of buckets
+     * is device specific. eg, for RGBA_8888, if sampleComponent0 is {10, 6, 4, 1} this means that
+     * 10 red pixels were displayed onscreen in range 0x00->0x3F, 6 red pixels
+     * were displayed onscreen in range 0x40->0x7F, etc.
+     */
+    long[] component_0_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_1. */
+    long[] component_1_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_2. */
+    long[] component_2_sample;
+
+    /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_3. */
+    long[] component_3_sample;
+}
diff --git a/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl b/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl
new file mode 100644
index 0000000..57e6081
--- /dev/null
+++ b/libs/gui/aidl/android/gui/DynamicDisplayInfo.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.DisplayMode;
+import android.gui.HdrCapabilities;
+
+// Information about a physical display which may change on hotplug reconnect.
+// Make sure to sync with libui DynamicDisplayInfo.h
+
+/** @hide */
+parcelable DynamicDisplayInfo {
+    List<DisplayMode> supportedDisplayModes;
+
+    int activeDisplayModeId;
+
+    int[] supportedColorModes;
+    int activeColorMode;
+    HdrCapabilities hdrCapabilities;
+
+    // True if the display reports support for HDMI 2.1 Auto Low Latency Mode.
+    // For more information, see the HDMI 2.1 specification.
+    boolean autoLowLatencyModeSupported;
+
+    // True if the display reports support for Game Content Type.
+    // For more information, see the HDMI 1.4 specification.
+    boolean gameContentTypeSupported;
+
+    // The boot display mode preferred by the implementation.
+    int preferredBootDisplayMode;
+}
diff --git a/libs/gui/aidl/android/gui/Rect.aidl b/libs/gui/aidl/android/gui/FrameEvent.aidl
similarity index 60%
copy from libs/gui/aidl/android/gui/Rect.aidl
copy to libs/gui/aidl/android/gui/FrameEvent.aidl
index 1b13761..aaabdb5 100644
--- a/libs/gui/aidl/android/gui/Rect.aidl
+++ b/libs/gui/aidl/android/gui/FrameEvent.aidl
@@ -16,20 +16,20 @@
 
 package android.gui;
 
-// copied from libs/arect/include/android/rect.h
-// TODO(b/221473398):
-// use hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
+// Identifiers for all the events that may be recorded or reported.
+
 /** @hide */
-parcelable Rect {
-    /// Minimum X coordinate of the rectangle.
-    int left;
-
-    /// Minimum Y coordinate of the rectangle.
-    int top;
-
-    /// Maximum X coordinate of the rectangle.
-    int right;
-
-    /// Maximum Y coordinate of the rectangle.
-    int bottom;
+@Backing(type="int")
+enum FrameEvent {
+    POSTED = 0,
+    REQUESTED_PRESENT = 1,
+    LATCH = 2,
+    ACQUIRE = 3,
+    FIRST_REFRESH_START = 4,
+    LAST_REFRESH_START = 5,
+    GPU_COMPOSITION_DONE = 6,
+    DISPLAY_PRESENT = 7,
+    DEQUEUE_READY = 8,
+    RELEASE = 9,
+    EVENT_COUNT = 10 // Not an actual event.
 }
diff --git a/libs/gui/aidl/android/gui/FrameStats.aidl b/libs/gui/aidl/android/gui/FrameStats.aidl
new file mode 100644
index 0000000..a145e74
--- /dev/null
+++ b/libs/gui/aidl/android/gui/FrameStats.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+// Make sure to sync with libui FrameStats.h
+
+/** @hide */
+parcelable FrameStats {
+    /*
+     * Approximate refresh time, in nanoseconds.
+     */
+    long refreshPeriodNano;
+
+    /*
+     * The times in nanoseconds for when the frame contents were posted by the producer (e.g.
+     * the application). They are either explicitly set or defaulted to the time when
+     * Surface::queueBuffer() was called.
+     */
+    long[] desiredPresentTimesNano;
+
+    /*
+     * The times in milliseconds for when the frame contents were presented on the screen.
+     */
+    long[] actualPresentTimesNano;
+
+    /*
+     * The times in nanoseconds for when the frame contents were ready to be presented. Note that
+     * a frame can be posted and still it contents being rendered asynchronously in GL. In such a
+     * case these are the times when the frame contents were completely rendered (i.e. their fences
+     * signaled).
+     */
+    long[] frameReadyTimesNano;
+}
diff --git a/libs/gui/include/gui/FrameTimelineInfo.h b/libs/gui/aidl/android/gui/FrameTimelineInfo.aidl
similarity index 69%
rename from libs/gui/include/gui/FrameTimelineInfo.h
rename to libs/gui/aidl/android/gui/FrameTimelineInfo.aidl
index 255ce56..6ffe466 100644
--- a/libs/gui/include/gui/FrameTimelineInfo.h
+++ b/libs/gui/aidl/android/gui/FrameTimelineInfo.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,36 +14,23 @@
  * limitations under the License.
  */
 
-#pragma once
+package android.gui;
 
-#include <stdint.h>
-
-#include <binder/Parcel.h>
-
-namespace android {
-
-struct FrameTimelineInfo {
+/** @hide */
+parcelable FrameTimelineInfo {
     // Needs to be in sync with android.graphics.FrameInfo.INVALID_VSYNC_ID in java
-    static constexpr int64_t INVALID_VSYNC_ID = -1;
+    const long INVALID_VSYNC_ID = -1;
 
     // The vsync id that was used to start the transaction
-    int64_t vsyncId = INVALID_VSYNC_ID;
+    long vsyncId = INVALID_VSYNC_ID;
 
     // The id of the input event that caused this buffer
     // Default is android::os::IInputConstants::INVALID_INPUT_EVENT_ID = 0
     // We copy the value of the input event ID instead of including the header, because libgui
     // header libraries containing FrameTimelineInfo must be available to vendors, but libinput is
     // not directly vendor available.
-    int32_t inputEventId = 0;
+    int inputEventId = 0;
 
     // The current time in nanoseconds the application started to render the frame.
-    int64_t startTimeNanos = 0;
-
-    status_t write(Parcel& output) const;
-    status_t read(const Parcel& input);
-
-    void merge(const FrameTimelineInfo& other);
-    void clear();
-};
-
-} // namespace android
+    long startTimeNanos = 0;
+}
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/HdrCapabilities.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/HdrCapabilities.aidl
index 6929a6c..9d06da9 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/HdrCapabilities.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,14 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
+// Make sure to sync with libui HdrCapabilities.h
 
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable HdrCapabilities {
+    int[] supportedHdrTypes;
+    float maxLuminance;
+    float maxAverageLuminance;
+    float minLuminance;
 }
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index b31b37b..3c220fc 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -16,39 +16,97 @@
 
 package android.gui;
 
-import android.gui.DisplayCaptureArgs;
+import android.gui.Color;
+import android.gui.CompositionPreference;
+import android.gui.ContentSamplingAttributes;
 import android.gui.DisplayBrightness;
+import android.gui.DisplayCaptureArgs;
+import android.gui.DisplayDecorationSupport;
+import android.gui.DisplayedFrameStats;
+import android.gui.DisplayModeSpecs;
+import android.gui.DisplayPrimaries;
 import android.gui.DisplayState;
 import android.gui.DisplayStatInfo;
+import android.gui.DynamicDisplayInfo;
+import android.gui.FrameEvent;
+import android.gui.FrameStats;
+import android.gui.IDisplayEventConnection;
+import android.gui.IFpsListener;
 import android.gui.IHdrLayerInfoListener;
-import android.gui.LayerCaptureArgs;
+import android.gui.IRegionSamplingListener;
 import android.gui.IScreenCaptureListener;
+import android.gui.ISurfaceComposerClient;
+import android.gui.ITransactionTraceListener;
+import android.gui.ITunnelModeEnabledListener;
+import android.gui.IWindowInfosListener;
+import android.gui.LayerCaptureArgs;
+import android.gui.LayerDebugInfo;
+import android.gui.PullAtomData;
+import android.gui.ARect;
+import android.gui.StaticDisplayInfo;
 
 /** @hide */
 interface ISurfaceComposer {
 
-    /* create a virtual display
+    enum VsyncSource {
+        eVsyncSourceApp = 0,
+        eVsyncSourceSurfaceFlinger = 1
+    }
+
+    enum EventRegistration {
+        modeChanged = 1 << 0,
+        frameRateOverride = 1 << 1,
+    }
+
+    /**
+     * Signal that we're done booting.
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    // Note this must be the 1st method, so IBinder::FIRST_CALL_TRANSACTION
+    // is assigned, as it is called from Java by ActivityManagerService.
+    void bootFinished();
+
+    /**
+     * Create a display event connection
+     */
+    @nullable IDisplayEventConnection createDisplayEventConnection(VsyncSource vsyncSource,
+            EventRegistration eventRegistration);
+
+    /**
+     * Create a connection with SurfaceFlinger.
+     */
+    @nullable ISurfaceComposerClient createConnection();
+
+    /**
+     * Create a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     @nullable IBinder createDisplay(@utf8InCpp String displayName, boolean secure);
 
-    /* destroy a virtual display
+    /**
+     * Destroy a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     void destroyDisplay(IBinder display);
 
-    /* get stable IDs for connected physical displays.
+    /**
+     * Get stable IDs for connected physical displays.
      */
     long[] getPhysicalDisplayIds();
 
-    long getPrimaryPhysicalDisplayId();
-
-    /* get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or a
-     * DisplayEventReceiver hotplug event.
+    /**
+     * Get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or
+     * a DisplayEventReceiver hotplug event.
      */
     @nullable IBinder getPhysicalDisplayToken(long displayId);
 
-    /* set display power mode. depending on the mode, it can either trigger
+    /**
+     * Returns the frame timestamps supported by SurfaceFlinger.
+     */
+    FrameEvent[] getSupportedFrameTimestamps();
+
+    /**
+     * Set display power mode. depending on the mode, it can either trigger
      * screen on, off or low power mode and wait for it to complete.
      * requires ACCESS_SURFACE_FLINGER permission.
      */
@@ -60,12 +118,31 @@
      * video frames */
     DisplayStatInfo getDisplayStats(@nullable IBinder display);
 
-     /**
+    /**
      * Get transactional state of given display.
      */
     DisplayState getDisplayState(IBinder display);
 
     /**
+     * Gets immutable information about given physical display.
+     */
+    StaticDisplayInfo getStaticDisplayInfo(IBinder display);
+
+    /**
+     * Gets dynamic information about given physical display.
+     */
+    DynamicDisplayInfo getDynamicDisplayInfo(IBinder display);
+
+    DisplayPrimaries getDisplayNativePrimaries(IBinder display);
+
+    void setActiveColorMode(IBinder display, int colorMode);
+
+    /**
+     * Sets the user-preferred display mode that a device should boot in.
+     */
+    void setBootDisplayMode(IBinder display, int displayModeId);
+
+    /**
      * Clears the user-preferred display mode. The device should now boot in system preferred
      * display mode.
      */
@@ -110,7 +187,9 @@
      * match the size of the output buffer.
      */
     void captureDisplay(in DisplayCaptureArgs args, IScreenCaptureListener listener);
+
     void captureDisplayById(long displayId, IScreenCaptureListener listener);
+
     /**
      * Capture a subtree of the layer hierarchy, potentially ignoring the root node.
      * This requires READ_FRAME_BUFFER permission. This function will fail if there
@@ -118,13 +197,163 @@
      */
     void captureLayers(in LayerCaptureArgs args, IScreenCaptureListener listener);
 
-    /*
+    /**
+     * Clears the frame statistics for animations.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void clearAnimationFrameStats();
+
+    /**
+     * Gets the frame statistics for animations.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    FrameStats getAnimationFrameStats();
+
+    /**
+     * Overrides the supported HDR modes for the given display device.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void overrideHdrTypes(IBinder display, in int[] hdrTypes);
+
+    /**
+     * Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
+     *
+     * Requires the calling uid be from system server.
+     */
+    PullAtomData onPullAtom(int atomId);
+
+    oneway void enableVSyncInjections(boolean enable);
+
+    oneway void injectVSync(long when);
+
+    /**
+     * Gets the list of active layers in Z order for debugging purposes
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    List<LayerDebugInfo> getLayerDebugInfo();
+
+    boolean getColorManagement();
+
+    /**
+     * Gets the composition preference of the default data space and default pixel format,
+     * as well as the wide color gamut data space and wide color gamut pixel format.
+     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
+     * has no wide color gamut support.
+     *
+     */
+    CompositionPreference getCompositionPreference();
+
+    /**
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    ContentSamplingAttributes getDisplayedContentSamplingAttributes(IBinder display);
+
+    /**
+     * Turns on the color sampling engine on the display.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void setDisplayContentSamplingEnabled(IBinder display, boolean enable, byte componentMask, long maxFrames);
+
+    /**
+     * Returns statistics on the color profile of the last frame displayed for a given display
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    DisplayedFrameStats getDisplayedContentSample(IBinder display, long maxFrames, long timestamp);
+
+    /**
+     * Gets whether SurfaceFlinger can support protected content in GPU composition.
+     */
+    boolean getProtectedContentSupport();
+
+    /**
      * Queries whether the given display is a wide color display.
      * Requires the ACCESS_SURFACE_FLINGER permission.
      */
     boolean isWideColorDisplay(IBinder token);
 
-    /*
+    /**
+     * Registers a listener to stream median luma updates from SurfaceFlinger.
+     *
+     * The sampling area is bounded by both samplingArea and the given stopLayerHandle
+     * (i.e., only layers behind the stop layer will be captured and sampled).
+     *
+     * Multiple listeners may be provided so long as they have independent listeners.
+     * If multiple listeners are provided, the effective sampling region for each listener will
+     * be bounded by whichever stop layer has a lower Z value.
+     *
+     * Requires the same permissions as captureLayers and captureScreen.
+     */
+    void addRegionSamplingListener(in ARect samplingArea, @nullable IBinder stopLayerHandle, IRegionSamplingListener listener);
+
+    /**
+     * Removes a listener that was streaming median luma updates from SurfaceFlinger.
+     */
+    void removeRegionSamplingListener(IRegionSamplingListener listener);
+
+    /**
+     * Registers a listener that streams fps updates from SurfaceFlinger.
+     *
+     * The listener will stream fps updates for the layer tree rooted at the layer denoted by the
+     * task ID, i.e., the layer must have the task ID as part of its layer metadata with key
+     * METADATA_TASK_ID. If there is no such layer, then no fps is expected to be reported.
+     *
+     * Multiple listeners may be supported.
+     *
+     * Requires the READ_FRAME_BUFFER permission.
+     */
+    void addFpsListener(int taskId, IFpsListener listener);
+
+    /**
+     * Removes a listener that was streaming fps updates from SurfaceFlinger.
+     */
+    void removeFpsListener(IFpsListener listener);
+
+    /**
+     * Registers a listener to receive tunnel mode enabled updates from SurfaceFlinger.
+     *
+     * Requires ACCESS_SURFACE_FLINGER permission.
+     */
+    void addTunnelModeEnabledListener(ITunnelModeEnabledListener listener);
+
+    /**
+     * Removes a listener that was receiving tunnel mode enabled updates from SurfaceFlinger.
+     *
+     * Requires ACCESS_SURFACE_FLINGER permission.
+     */
+    void removeTunnelModeEnabledListener(ITunnelModeEnabledListener listener);
+
+    /**
+     * Sets the refresh rate boundaries for the display.
+     *
+     * The primary refresh rate range represents display manager's general guidance on the display
+     * modes we'll consider when switching refresh rates. Unless we get an explicit signal from an
+     * app, we should stay within this range.
+     *
+     * The app request refresh rate range allows us to consider more display modes when switching
+     * refresh rates. Although we should generally stay within the primary range, specific
+     * considerations, such as layer frame rate settings specified via the setFrameRate() api, may
+     * cause us to go outside the primary range. We never go outside the app request range. The app
+     * request range will be greater than or equal to the primary refresh rate range, never smaller.
+     *
+     * defaultMode is used to narrow the list of display modes SurfaceFlinger will consider
+     * switching between. Only modes with a mode group and resolution matching defaultMode
+     * will be considered for switching. The defaultMode corresponds to an ID of mode in the list
+     * of supported modes returned from getDynamicDisplayInfo().
+     */
+    void setDesiredDisplayModeSpecs(
+            IBinder displayToken, int defaultMode,
+            boolean allowGroupSwitching, float primaryRefreshRateMin, float primaryRefreshRateMax,
+            float appRequestRefreshRateMin, float appRequestRefreshRateMax);
+
+    DisplayModeSpecs getDesiredDisplayModeSpecs(IBinder displayToken);
+
+    /**
      * Gets whether brightness operations are supported on a display.
      *
      * displayToken
@@ -138,7 +367,7 @@
      */
     boolean getDisplayBrightnessSupport(IBinder displayToken);
 
-    /*
+    /**
      * Sets the brightness of a display.
      *
      * displayToken
@@ -153,7 +382,7 @@
      */
     void setDisplayBrightness(IBinder displayToken, in DisplayBrightness brightness);
 
-    /*
+    /**
      * Adds a listener that receives HDR layer information. This is used in combination
      * with setDisplayBrightness to adjust the display brightness depending on factors such
      * as whether or not HDR is in use.
@@ -162,7 +391,7 @@
      */
     void addHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Removes a listener that was added with addHdrLayerInfoListener.
      *
      * Returns NO_ERROR upon success, NAME_NOT_FOUND if the display is invalid, and BAD_VALUE if
@@ -171,7 +400,7 @@
      */
     void removeHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Sends a power boost to the composer. This function is asynchronous.
      *
      * boostId
@@ -179,5 +408,78 @@
      *
      * Returns NO_ERROR upon success.
      */
-    void notifyPowerBoost(int boostId);
+    oneway void notifyPowerBoost(int boostId);
+
+    /*
+     * Sets the global configuration for all the shadows drawn by SurfaceFlinger. Shadow follows
+     * material design guidelines.
+     *
+     * ambientColor
+     *      Color to the ambient shadow. The alpha is premultiplied.
+     *
+     * spotColor
+     *      Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
+     *      depends on the light position.
+     *
+     * lightPosY/lightPosZ
+     *      Position of the light used to cast the spot shadow. The X value is always the display
+     *      width / 2.
+     *
+     * lightRadius
+     *      Radius of the light casting the shadow.
+     */
+    oneway void setGlobalShadowSettings(in Color ambientColor, in Color spotColor, float lightPosY, float lightPosZ, float lightRadius);
+
+    /**
+     * Gets whether a display supports DISPLAY_DECORATION layers.
+     *
+     * displayToken
+     *      The token of the display.
+     * outSupport
+     *      An output parameter for whether/how the display supports
+     *      DISPLAY_DECORATION layers.
+     *
+     * Returns NO_ERROR upon success. Otherwise,
+     *      NAME_NOT_FOUND if the display is invalid, or
+     *      BAD_VALUE      if the output parameter is invalid.
+     */
+    @nullable DisplayDecorationSupport getDisplayDecorationSupport(IBinder displayToken);
+
+    /**
+     * Set the override frame rate for a specified uid by GameManagerService.
+     * Passing the frame rate and uid to SurfaceFlinger to update the override mapping
+     * in the scheduler.
+     */
+    void setOverrideFrameRate(int uid, float frameRate);
+
+    /**
+     * Adds a TransactionTraceListener to listen for transaction tracing state updates.
+     */
+    void addTransactionTraceListener(ITransactionTraceListener listener);
+
+    /**
+     * Gets priority of the RenderEngine in SurfaceFlinger.
+     */
+    int getGpuContextPriority();
+
+    /**
+     * Gets the number of buffers SurfaceFlinger would need acquire. This number
+     * would be propagated to the client via MIN_UNDEQUEUED_BUFFERS so that the
+     * client could allocate enough buffers to match SF expectations of the
+     * pipeline depth. SurfaceFlinger will make sure that it will give the app at
+     * least the time configured as the 'appDuration' before trying to latch
+     * the buffer.
+     *
+     * The total buffers needed for a given configuration is basically the
+     * numbers of vsyncs a single buffer is used across the stack. For the default
+     * configuration a buffer is held ~1 vsync by the app, ~1 vsync by SurfaceFlinger
+     * and 1 vsync by the display. The extra buffers are calculated as the
+     * number of additional buffers on top of the 2 buffers already present
+     * in MIN_UNDEQUEUED_BUFFERS.
+     */
+    int getMaxAcquiredBufferCount();
+
+    void addWindowInfosListener(IWindowInfosListener windowInfosListener);
+
+    void removeWindowInfosListener(IWindowInfosListener windowInfosListener);
 }
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
new file mode 100644
index 0000000..b8ee4d7
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ISurfaceComposerClient.aidl
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.CreateSurfaceResult;
+import android.gui.FrameStats;
+import android.gui.LayerMetadata;
+import android.gui.MirrorSurfaceResult;
+
+/** @hide */
+interface ISurfaceComposerClient {
+
+    // flags for createSurface()
+    // (keep in sync with SurfaceControl.java)
+    const int eHidden = 0x00000004;
+    const int eDestroyBackbuffer = 0x00000020;
+    const int eSkipScreenshot = 0x00000040;
+    const int eSecure = 0x00000080;
+    const int eNonPremultiplied = 0x00000100;
+    const int eOpaque = 0x00000400;
+    const int eProtectedByApp = 0x00000800;
+    const int eProtectedByDRM = 0x00001000;
+    const int eCursorWindow = 0x00002000;
+    const int eNoColorFill = 0x00004000;
+
+    const int eFXSurfaceBufferQueue = 0x00000000;
+    const int eFXSurfaceEffect = 0x00020000;
+    const int eFXSurfaceBufferState = 0x00040000;
+    const int eFXSurfaceContainer = 0x00080000;
+    const int eFXSurfaceMask = 0x000F0000;
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    CreateSurfaceResult createSurface(@utf8InCpp String name, int flags, @nullable IBinder parent, in LayerMetadata metadata);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    void clearLayerFrameStats(IBinder handle);
+
+    /**
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    FrameStats getLayerFrameStats(IBinder handle);
+
+    MirrorSurfaceResult mirrorSurface(IBinder mirrorFromHandle);
+
+    MirrorSurfaceResult mirrorDisplay(long displayId);
+}
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
similarity index 63%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/LayerDebugInfo.aidl
index 6929a6c..faca980 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,6 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
-}
+parcelable LayerDebugInfo cpp_header "gui/LayerDebugInfo.h";
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/LayerMetadata.aidl
similarity index 63%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/LayerMetadata.aidl
index 6929a6c..1368ac5 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/LayerMetadata.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,6 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
-}
+parcelable LayerMetadata cpp_header "gui/LayerMetadata.h";
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl
index 6929a6c..9fac3e8 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/MirrorSurfaceResult.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,10 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable MirrorSurfaceResult {
+    IBinder handle;
+    int layerId;
 }
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/gui/aidl/android/gui/PullAtomData.aidl
similarity index 64%
copy from libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
copy to libs/gui/aidl/android/gui/PullAtomData.aidl
index 6929a6c..14d33c6 100644
--- a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
+++ b/libs/gui/aidl/android/gui/PullAtomData.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,10 @@
  * limitations under the License.
  */
 
-package android.content.pm;
+package android.gui;
 
-import android.content.pm.PackageChangeEvent;
-
-/**
- * This is a non-blocking notification when a package has changed.
- *
- * @hide
- */
-oneway interface IPackageChangeObserver {
-  void onPackageChanged(in PackageChangeEvent event);
+/** @hide */
+parcelable PullAtomData {
+    @utf8InCpp String data;
+    boolean success;
 }
diff --git a/libs/gui/aidl/android/gui/Rect.aidl b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
similarity index 60%
copy from libs/gui/aidl/android/gui/Rect.aidl
copy to libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
index 1b13761..0ccda56 100644
--- a/libs/gui/aidl/android/gui/Rect.aidl
+++ b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
@@ -16,20 +16,15 @@
 
 package android.gui;
 
-// copied from libs/arect/include/android/rect.h
-// TODO(b/221473398):
-// use hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
+import android.gui.DisplayConnectionType;
+import android.gui.DeviceProductInfo;
+import android.gui.Rotation;
+
 /** @hide */
-parcelable Rect {
-    /// Minimum X coordinate of the rectangle.
-    int left;
-
-    /// Minimum Y coordinate of the rectangle.
-    int top;
-
-    /// Maximum X coordinate of the rectangle.
-    int right;
-
-    /// Maximum Y coordinate of the rectangle.
-    int bottom;
+parcelable StaticDisplayInfo {
+    DisplayConnectionType connectionType = DisplayConnectionType.Internal;
+    float density;
+    boolean secure;
+    @nullable DeviceProductInfo deviceProductInfo;
+    Rotation installOrientation = Rotation.Rotation0;
 }
diff --git a/libs/gui/fuzzer/Android.bp b/libs/gui/fuzzer/Android.bp
new file mode 100644
index 0000000..cdc9376
--- /dev/null
+++ b/libs/gui/fuzzer/Android.bp
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_native_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_native_license"],
+}
+
+cc_defaults {
+    name: "libgui_fuzzer_defaults",
+    static_libs: [
+        "android.hidl.token@1.0-utils",
+        "libbinder_random_parcel",
+        "libgui_aidl_static",
+        "libgui_window_info_static",
+        "libpdx",
+        "libgmock",
+        "libgui_mocks",
+        "libgmock_ndk",
+        "libgmock_main",
+        "libgtest_ndk_c++",
+        "libgmock_main_ndk",
+        "librenderengine_mocks",
+        "perfetto_trace_protos",
+        "libcompositionengine_mocks",
+        "perfetto_trace_protos",
+    ],
+    shared_libs: [
+        "android.hardware.configstore@1.0",
+        "android.hardware.configstore-utils",
+        "android.hardware.graphics.bufferqueue@1.0",
+        "android.hardware.graphics.bufferqueue@2.0",
+        "android.hardware.power-V2-cpp",
+        "android.hidl.token@1.0",
+        "libSurfaceFlingerProp",
+        "libgui",
+        "libbase",
+        "liblog",
+        "libEGL",
+        "libGLESv2",
+        "libbinder",
+        "libcutils",
+        "libhidlbase",
+        "libinput",
+        "libui",
+        "libutils",
+        "libnativewindow",
+        "libvndksupport",
+        "libbufferhubqueue",
+    ],
+    header_libs: [
+        "libdvr_headers",
+        "libui_fuzzableDataspaces_headers",
+    ],
+    fuzz_config: {
+        cc: [
+            "android-media-fuzzing-reports@google.com",
+        ],
+        componentid: 155276,
+    },
+}
+
+cc_fuzz {
+    name: "libgui_surfaceComposer_fuzzer",
+    srcs: [
+        "libgui_surfaceComposer_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_surfaceComposerClient_fuzzer",
+    srcs: [
+        "libgui_surfaceComposerClient_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_parcelable_fuzzer",
+    srcs: [
+        "libgui_parcelable_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_bufferQueue_fuzzer",
+    srcs: [
+        "libgui_bufferQueue_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_consumer_fuzzer",
+    srcs: [
+        "libgui_consumer_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
+
+cc_fuzz {
+    name: "libgui_displayEvent_fuzzer",
+    srcs: [
+        "libgui_displayEvent_fuzzer.cpp",
+    ],
+    defaults: [
+        "libgui_fuzzer_defaults",
+    ],
+}
diff --git a/libs/gui/fuzzer/README.md b/libs/gui/fuzzer/README.md
new file mode 100644
index 0000000..96e27c9
--- /dev/null
+++ b/libs/gui/fuzzer/README.md
@@ -0,0 +1,219 @@
+# Fuzzers for Libgui
+
+## Table of contents
++ [libgui_surfaceComposer_fuzzer](#SurfaceComposer)
++ [libgui_surfaceComposerClient_fuzzer](#SurfaceComposerClient)
++ [libgui_parcelable_fuzzer](#Libgui_Parcelable)
++ [libgui_bufferQueue_fuzzer](#BufferQueue)
++ [libgui_consumer_fuzzer](#Libgui_Consumer)
++ [libgui_displayEvent_fuzzer](#LibGui_DisplayEvent)
+
+# <a name="libgui_surfaceComposer_fuzzer"></a> Fuzzer for SurfaceComposer
+
+SurfaceComposer supports the following parameters:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`outLayerId`)
+7. SurfaceComposerTags (parameter name:`surfaceTag`)
+8. PowerBoostID (parameter name:`boostId`)
+9. VsyncSource (parameter name:`vsyncSource`)
+10. EventRegistrationFlags (parameter name:`eventRegistration`)
+11. FrameRateCompatibility (parameter name:`frameRateCompatibility`)
+12. ChangeFrameRateStrategy (parameter name:`changeFrameRateStrategy`)
+13. HdrTypes (parameter name:`hdrTypes`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`surfaceTag` | 0.`BnSurfaceComposer::BOOT_FINISHED`, 1.`BnSurfaceComposer::CREATE_CONNECTION`, 2.`BnSurfaceComposer::GET_STATIC_DISPLAY_INFO`, 3.`BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION`, 4.`BnSurfaceComposer::CREATE_DISPLAY`, 5.`BnSurfaceComposer::DESTROY_DISPLAY`, 6.`BnSurfaceComposer::GET_PHYSICAL_DISPLAY_TOKEN`, 7.`BnSurfaceComposer::SET_TRANSACTION_STATE`, 8.`BnSurfaceComposer::AUTHENTICATE_SURFACE`, 9.`BnSurfaceComposer::GET_SUPPORTED_FRAME_TIMESTAMPS`, 10.`BnSurfaceComposer::GET_DISPLAY_STATE`, 11.`BnSurfaceComposer::CAPTURE_DISPLAY`, 12.`BnSurfaceComposer::CAPTURE_LAYERS`, 13.`BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS`, 14.`BnSurfaceComposer::GET_ANIMATION_FRAME_STATS`, 15.`BnSurfaceComposer::SET_POWER_MODE`, 16.`BnSurfaceComposer::GET_DISPLAY_STATS`, 17.`BnSurfaceComposer::SET_ACTIVE_COLOR_MODE`, 18.`BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS`, 19.`BnSurfaceComposer::INJECT_VSYNC`, 20.`BnSurfaceComposer::GET_LAYER_DEBUG_INFO`, 21.`BnSurfaceComposer::GET_COMPOSITION_PREFERENCE`, 22.`BnSurfaceComposer::GET_COLOR_MANAGEMENT`, 23.`BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES`, 24.`BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED`, 25.`BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLE`, 26.`BnSurfaceComposer::GET_PROTECTED_CONTENT_SUPPORT`, 27.`BnSurfaceComposer::IS_WIDE_COLOR_DISPLAY`, 28.`BnSurfaceComposer::GET_DISPLAY_NATIVE_PRIMARIES`, 29.`BnSurfaceComposer::GET_PHYSICAL_DISPLAY_IDS`, 30.`BnSurfaceComposer::ADD_REGION_SAMPLING_LISTENER`, 31.`BnSurfaceComposer::REMOVE_REGION_SAMPLING_LISTENER`, 32.`BnSurfaceComposer::SET_DESIRED_DISPLAY_MODE_SPECS`, 33.`BnSurfaceComposer::GET_DESIRED_DISPLAY_MODE_SPECS`, 34.`BnSurfaceComposer::GET_DISPLAY_BRIGHTNESS_SUPPORT`, 35.`BnSurfaceComposer::SET_DISPLAY_BRIGHTNESS`, 36.`BnSurfaceComposer::CAPTURE_DISPLAY_BY_ID`, 37.`BnSurfaceComposer::NOTIFY_POWER_BOOST`, 38.`BnSurfaceComposer::SET_GLOBAL_SHADOW_SETTINGS`, 39.`BnSurfaceComposer::SET_AUTO_LOW_LATENCY_MODE`, 40.`BnSurfaceComposer::SET_GAME_CONTENT_TYPE`, 41.`BnSurfaceComposer::SET_FRAME_RATE`, 42.`BnSurfaceComposer::ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN`, 43.`BnSurfaceComposer::SET_FRAME_TIMELINE_INFO`, 44.`BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER`, 45.`BnSurfaceComposer::GET_GPU_CONTEXT_PRIORITY`, 46.`BnSurfaceComposer::GET_MAX_ACQUIRED_BUFFER_COUNT`, 47.`BnSurfaceComposer::GET_DYNAMIC_DISPLAY_INFO`, 48.`BnSurfaceComposer::ADD_FPS_LISTENER`, 49.`BnSurfaceComposer::REMOVE_FPS_LISTENER`, 50.`BnSurfaceComposer::OVERRIDE_HDR_TYPES`, 51.`BnSurfaceComposer::ADD_HDR_LAYER_INFO_LISTENER`, 52.`BnSurfaceComposer::REMOVE_HDR_LAYER_INFO_LISTENER`, 53.`BnSurfaceComposer::ON_PULL_ATOM`, 54.`BnSurfaceComposer::ADD_TUNNEL_MODE_ENABLED_LISTENER`, 55.`BnSurfaceComposer::REMOVE_TUNNEL_MODE_ENABLED_LISTENER` | Value obtained from FuzzedDataProvider|
+|`boostId`| 0.`hardware::power::Boost::INTERACTION`, 1.`hardware::power::Boost::DISPLAY_UPDATE_IMMINENT`, 2.`hardware::power::Boost::ML_ACC`, 3.`hardware::power::Boost::AUDIO_LAUNCH`, 4.`hardware::power::Boost::CAMERA_LAUNCH`, 5.`hardware::power::Boost::CAMERA_SHOT` |Value obtained from FuzzedDataProvider|
+|`vsyncSource`| 0.`ISurfaceComposer::eVsyncSourceApp`, 1.`ISurfaceComposer::eVsyncSourceSurfaceFlinger`, |Value obtained from FuzzedDataProvider|
+|`eventRegistration`| 0.`ISurfaceComposer::EventRegistration::modeChanged`, 1.`ISurfaceComposer::EventRegistration::frameRateOverride` |Value obtained from FuzzedDataProvider|
+|`frameRateCompatibility`| 0.`ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT`, 1.`ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE` |Value obtained from FuzzedDataProvider|
+|`changeFrameRateStrategy`| 0.`ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS`, 1.`ANATIVEWINDOW_CHANGE_FRAME_RATE_ALWAYS` |Value obtained from FuzzedDataProvider|
+|`hdrTypes`| 0.`ui::Hdr::DOLBY_VISION`, 1.`ui::Hdr::HDR10`, 2.`ui::Hdr::HLG`, 3.`ui::Hdr::HDR10_PLUS` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_surfaceComposer_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_surfaceComposer_fuzzer/libgui_surfaceComposer_fuzzer
+```
+
+# <a name="libgui_surfaceComposerClient_fuzzer"></a> Fuzzer for SurfaceComposerClient
+
+SurfaceComposerClient supports the following data sources:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`outLayerId`)
+7. SurfaceComposerClientTags (parameter name:`surfaceTag`)
+8. DefaultMode (parameter name:`defaultMode`)
+9. PrimaryRefreshRateMin (parameter name:`primaryRefreshRateMin`)
+10. PrimaryRefreshRateMax (parameter name:`primaryRefreshRateMax`)
+11. AppRefreshRateMin (parameter name:`appRefreshRateMin`)
+12. AppRefreshRateMax (parameter name:`appRefreshRateMax`)
+13. DisplayPowerMode (parameter name:`mode`)
+14. CacheId (parameter name:`cacheId`)
+15. DisplayBrightness (parameter name:`brightness`)
+16. PowerBoostID (parameter name:`boostId`)
+17. AtomId (parameter name:`atomId`)
+18. ComponentMask (parameter name:`componentMask`)
+19. MaxFrames (parameter name:`maxFrames`)
+20. TaskId (parameter name:`taskId`)
+21. Alpha (parameter name:`aplha`)
+22. CornerRadius (parameter name:`cornerRadius`)
+23. BackgroundBlurRadius (parameter name:`backgroundBlurRadius`)
+24. Half3Color (parameter name:`color`)
+25. LayerStack (parameter name:`layerStack`)
+26. Dataspace (parameter name:`dataspace`)
+27. Api (parameter name:`api`)
+28. Priority (parameter name:`priority`)
+29. TouchableRegionPointX (parameter name:`pointX`)
+30. TouchableRegionPointY (parameter name:`pointY`)
+31. ColorMode (parameter name:`colorMode`)
+32. WindowInfoFlags (parameter name:`flags`)
+33. WindowInfoTransformOrientation (parameter name:`transform`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`surfaceTag`| 0.`Tag::CREATE_SURFACE`, 1.`Tag::CREATE_WITH_SURFACE_PARENT`, 2.`Tag::CLEAR_LAYER_FRAME_STATS`, 3.`Tag::GET_LAYER_FRAME_STATS`, 4.`Tag::MIRROR_SURFACE`, 5.`Tag::LAST` |Value obtained from FuzzedDataProvider|
+|`mode`| 0.`gui::TouchOcclusionMode::BLOCK_UNTRUSTED`, 1.`gui::TouchOcclusionMode::USE_OPACITY`, 2.`gui::TouchOcclusionMode::ALLOW` |Value obtained from FuzzedDataProvider|
+|`boostId`| 0.`hardware::power::Boost::INTERACTION`, 1.`hardware::power::Boost::DISPLAY_UPDATE_IMMINENT`, 2.`hardware::power::Boost::ML_ACC`, 3.`hardware::power::Boost::AUDIO_LAUNCH`, 4.`hardware::power::Boost::CAMERA_LAUNCH`, 5.`hardware::power::Boost::CAMERA_SHOT` |Value obtained from FuzzedDataProvider|
+|`colorMode`|0.`ui::ColorMode::NATIVE`, 1.`ui::ColorMode::STANDARD_BT601_625`, 2.`ui::ColorMode::STANDARD_BT601_625_UNADJUSTED`, 3.`ui::ColorMode::STANDARD_BT601_525`, 4.`ui::ColorMode::STANDARD_BT601_525_UNADJUSTED`, 5.`ui::ColorMode::STANDARD_BT709`, 6.`ui::ColorMode::DCI_P3`, 7.`ui::ColorMode::SRGB`, 8.`ui::ColorMode::ADOBE_RGB`, 9.`ui::ColorMode::DISPLAY_P3`, 10.`ui::ColorMode::BT2020`, 11.`ui::ColorMode::BT2100_PQ`, 12.`ui::ColorMode::BT2100_HLG`, 13.`ui::ColorMode::DISPLAY_BT2020` |Value obtained from FuzzedDataProvider|
+|`flags`|0 .`gui::WindowInfo::Flag::ALLOW_LOCK_WHILE_SCREEN_ON`, 1.`gui::WindowInfo::Flag::DIM_BEHIND`, 2.`gui::WindowInfo::Flag::BLUR_BEHIND`, 3.`gui::WindowInfo::Flag::NOT_FOCUSABLE`, 4.`gui::WindowInfo::Flag::NOT_TOUCHABLE`, 5.`gui::WindowInfo::Flag::NOT_TOUCH_MODAL`, 6.`gui::WindowInfo::Flag::TOUCHABLE_WHEN_WAKING`, 7.`gui::WindowInfo::Flag::KEEP_SCREEN_ON`, 8.`gui::WindowInfo::Flag::LAYOUT_IN_SCREEN`, 9.`gui::WindowInfo::Flag::LAYOUT_NO_LIMITS`, 10.`gui::WindowInfo::Flag::FULLSCREEN`, 11.`gui::WindowInfo::Flag::FORCE_NOT_FULLSCREEN`, 12.`gui::WindowInfo::Flag::DITHER`, 13.`gui::WindowInfo::Flag::SECURE`, 14.`gui::WindowInfo::Flag::SCALED`, 15.`gui::WindowInfo::Flag::IGNORE_CHEEK_PRESSES`, 16.`gui::WindowInfo::Flag::LAYOUT_INSET_DECOR`, 17.`gui::WindowInfo::Flag::ALT_FOCUSABLE_IM`, 18.`gui::WindowInfo::Flag::WATCH_OUTSIDE_TOUCH`, 19.`gui::WindowInfo::Flag::SHOW_WHEN_LOCKED`, 20.`gui::WindowInfo::Flag::SHOW_WALLPAPER`, 21.`gui::WindowInfo::Flag::TURN_SCREEN_ON`, 22.`gui::WindowInfo::Flag::DISMISS_KEYGUARD`, 23.`gui::WindowInfo::Flag::SPLIT_TOUCH`, 24.`gui::WindowInfo::Flag::HARDWARE_ACCELERATED`, 25.`gui::WindowInfo::Flag::LAYOUT_IN_OVERSCAN`, 26.`gui::WindowInfo::Flag::TRANSLUCENT_STATUS`, 27.`gui::WindowInfo::Flag::TRANSLUCENT_NAVIGATION`, 28.`gui::WindowInfo::Flag::LOCAL_FOCUS_MODE`, 29.`gui::WindowInfo::Flag::SLIPPERY`, 30.`gui::WindowInfo::Flag::LAYOUT_ATTACHED_IN_DECOR`, 31.`gui::WindowInfo::Flag::DRAWS_SYSTEM_BAR_BACKGROUNDS`, |Value obtained from FuzzedDataProvider|
+|`dataspace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+|`transform`| 0.`ui::Transform::ROT_0`, 1.`ui::Transform::FLIP_H`, 2.`ui::Transform::FLIP_V`, 3.`ui::Transform::ROT_90`, 4.`ui::Transform::ROT_180`, 5.`ui::Transform::ROT_270` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_surfaceComposerClient_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_surfaceComposerClient_fuzzer/libgui_surfaceComposerClient_fuzzer
+```
+
+# <a name="libgui_parcelable_fuzzer"></a> Fuzzer for Libgui_Parcelable
+
+Libgui_Parcelable supports the following parameters:
+1. LayerMetadataKey (parameter name:`key`)
+2. Dataspace (parameter name:`mDataspace`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`key`| 0.`view::LayerMetadataKey::METADATA_OWNER_UID`, 1.`view::LayerMetadataKey::METADATA_WINDOW_TYPE`, 2.`view::LayerMetadataKey::METADATA_TASK_ID`, 3.`view::LayerMetadataKey::METADATA_MOUSE_CURSOR`, 4.`view::LayerMetadataKey::METADATA_ACCESSIBILITY_ID`, 5.`view::LayerMetadataKey::METADATA_OWNER_PID`, 6.`view::LayerMetadataKey::METADATA_DEQUEUE_TIME`, 7.`view::LayerMetadataKey::METADATA_GAME_MODE`, |Value obtained from FuzzedDataProvider|
+|`mDataSpace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_fuzzer/libgui_fuzzer
+```
+
+# <a name="libgui_bufferQueue_fuzzer"></a> Fuzzer for BufferQueue
+
+BufferQueue supports the following parameters:
+1. SurfaceWidth (parameter name:`width`)
+2. SurfaceHeight (parameter name:`height`)
+3. TransactionStateFlags (parameter name:`flags`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. SurfacePixelFormat (parameter name:`format`)
+6. LayerId (parameter name:`layerId`)
+7. BufferId (parameter name:`bufferId`)
+8. FrameNumber (parameter name:`frameNumber`)
+9. FrameRate (parameter name:`frameRate`)
+10. Compatability (parameter name:`compatability`)
+11. LatchTime (parameter name:`latchTime`)
+12. AcquireTime (parameter name:`acquireTime`)
+13. RefreshTime (parameter name:`refreshTime`)
+14. DequeueTime (parameter name:`dequeueTime`)
+15. Slot (parameter name:`slot`)
+16. MaxBuffers (parameter name:`maxBuffers`)
+17. GenerationNumber (parameter name:`generationNumber`)
+18. Api (parameter name:`api`)
+19. Usage (parameter name:`usage`)
+20. MaxFrameNumber (parameter name:`maxFrameNumber`)
+21. BufferCount (parameter name:`bufferCount`)
+22. MaxAcquredBufferCount (parameter name:`maxAcquredBufferCount`)
+23. Status (parameter name:`status`)
+24. ApiConnection (parameter name:`apiConnection`)
+25. Dataspace (parameter name:`dataspace`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`status`| 0.`OK`, 1.`NO_MEMORY`, 2.`NO_INIT`, 3.`BAD_VALUE`, 4.`DEAD_OBJECT`, 5.`INVALID_OPERATION`, 6.`TIMED_OUT`, 7.`WOULD_BLOCK`, 8.`UNKNOWN_ERROR`, 9.`ALREADY_EXISTS`, |Value obtained from FuzzedDataProvider|
+|`apiConnection`| 0.`BufferQueueCore::CURRENTLY_CONNECTED_API`, 1.`BufferQueueCore::NO_CONNECTED_API`, 2.`NATIVE_WINDOW_API_EGL`, 3.`NATIVE_WINDOW_API_CPU`, 4.`NATIVE_WINDOW_API_MEDIA`, 5.`NATIVE_WINDOW_API_CAMERA`, |Value obtained from FuzzedDataProvider|
+|`dataspace`| 0.`ui::Dataspace::UNKNOWN`, 1.`ui::Dataspace::ARBITRARY`, 2.`ui::Dataspace::STANDARD_SHIFT`, 3.`ui::Dataspace::STANDARD_MASK`, 4.`ui::Dataspace::STANDARD_UNSPECIFIED`, 5.`ui::Dataspace::STANDARD_BT709`, 6.`ui::Dataspace::STANDARD_BT601_625`, 7.`ui::Dataspace::STANDARD_BT601_625_UNADJUSTED`, 8.`ui::Dataspace::STANDARD_BT601_525`, 9.`ui::Dataspace::STANDARD_BT601_525_UNADJUSTED`, 10.`ui::Dataspace::STANDARD_BT2020`, 11.`ui::Dataspace::STANDARD_BT2020_CONSTANT_LUMINANCE`, 12.`ui::Dataspace::STANDARD_BT470M`, 13.`ui::Dataspace::STANDARD_FILM`, 14.`ui::Dataspace::STANDARD_DCI_P3`, 15.`ui::Dataspace::STANDARD_ADOBE_RGB`, 16.`ui::Dataspace::TRANSFER_SHIFT`, 17.`ui::Dataspace::TRANSFER_MASK`, 18.`ui::Dataspace::TRANSFER_UNSPECIFIED`, 19.`ui::Dataspace::TRANSFER_LINEAR`, 20.`ui::Dataspace::TRANSFER_SRGB`, 21.`ui::Dataspace::TRANSFER_SMPTE_170M`, 22.`ui::Dataspace::TRANSFER_GAMMA2_2`, 23.`ui::Dataspace::TRANSFER_GAMMA2_6`, 24.`ui::Dataspace::TRANSFER_GAMMA2_8`, 25.`ui::Dataspace::TRANSFER_ST2084`, 26.`ui::Dataspace::TRANSFER_HLG`, 27.`ui::Dataspace::RANGE_SHIFT`, 28.`ui::Dataspace::RANGE_MASK`, 29.`ui::Dataspace::RANGE_UNSPECIFIED`, 30.`ui::Dataspace::RANGE_FULL`, 31.`ui::Dataspace::RANGE_LIMITED`, 32.`ui::Dataspace::RANGE_EXTENDED`, 33.`ui::Dataspace::SRGB_LINEAR`, 34.`ui::Dataspace::V0_SRGB_LINEAR`, 35.`ui::Dataspace::V0_SCRGB_LINEAR`, 36.`ui::Dataspace::SRGB`, 37.`ui::Dataspace::V0_SRGB`, 38.`ui::Dataspace::V0_SCRGB`, 39.`ui::Dataspace::JFIF`, 40.`ui::Dataspace::V0_JFIF`, 41.`ui::Dataspace::BT601_625`, 42.`ui::Dataspace::V0_BT601_625`, 43.`ui::Dataspace::BT601_525`, 44.`ui::Dataspace::V0_BT601_525`, 45.`ui::Dataspace::BT709`, 46.`ui::Dataspace::V0_BT709`, 47.`ui::Dataspace::DCI_P3_LINEAR`, 48.`ui::Dataspace::DCI_P3`, 49.`ui::Dataspace::DISPLAY_P3_LINEAR`, 50.`ui::Dataspace::DISPLAY_P3`, 51.`ui::Dataspace::ADOBE_RGB`, 52.`ui::Dataspace::BT2020_LINEAR`, 53.`ui::Dataspace::BT2020`, 54.`ui::Dataspace::BT2020_PQ`, 55.`ui::Dataspace::DEPTH`, 56.`ui::Dataspace::SENSOR`, 57.`ui::Dataspace::BT2020_ITU`, 58.`ui::Dataspace::BT2020_ITU_PQ`, 59.`ui::Dataspace::BT2020_ITU_HLG`, 60.`ui::Dataspace::BT2020_HLG`, 61.`ui::Dataspace::DISPLAY_BT2020`, 62.`ui::Dataspace::DYNAMIC_DEPTH`, 63.`ui::Dataspace::JPEG_APP_SEGMENTS`, 64.`ui::Dataspace::HEIF`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_bufferQueue_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_bufferQueue_fuzzer/libgui_bufferQueue_fuzzer
+```
+
+# <a name="libgui_consumer_fuzzer"></a> Fuzzer for Libgui_Consumer
+
+Libgui_Consumer supports the following parameters:
+1. GraphicWidth (parameter name:`graphicWidth`)
+2. GraphicHeight (parameter name:`graphicHeight`)
+4. TransformHint (parameter name:`outTransformHint`)
+5. GraphicPixelFormat (parameter name:`format`)
+6. Usage (parameter name:`usage`)
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_consumer_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_consumer_fuzzer/libgui_consumer_fuzzer
+```
+
+# <a name="libgui_displayEvent_fuzzer"></a> Fuzzer for LibGui_DisplayEvent
+
+LibGui_DisplayEvent supports the following parameters:
+1. DisplayEventType (parameter name:`type`)
+2. Events (parameter name:`events`)
+3. VsyncSource (parameter name:`vsyncSource`)
+4. EventRegistrationFlags (parameter name:`flags`)
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`vsyncSource`| 0.`ISurfaceComposer::eVsyncSourceApp`, 1.`ISurfaceComposer::eVsyncSourceSurfaceFlinger`, |Value obtained from FuzzedDataProvider|
+|`flags`| 0.`ISurfaceComposer::EventRegistration::modeChanged`, 1.`ISurfaceComposer::EventRegistration::frameRateOverride`, |Value obtained from FuzzedDataProvider|
+|`type`| 0.`DisplayEventReceiver::DISPLAY_EVENT_NULL`, 1.`DisplayEventReceiver::DISPLAY_EVENT_VSYNC`, 2.`DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG`, 3.`DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE`, 4.`DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE`, 5.`DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH`, |Value obtained from FuzzedDataProvider|
+|`events`| 0.`Looper::EVENT_INPUT`, 1.`Looper::EVENT_OUTPUT`, 2.`Looper::EVENT_ERROR`, 3.`Looper::EVENT_HANGUP`, 4.`Looper::EVENT_INVALID`, |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) libgui_displayEvent_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/libgui_displayEvent_fuzzer/libgui_displayEvent_fuzzer
+```
diff --git a/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp b/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp
new file mode 100644
index 0000000..7829e94
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_bufferQueue_fuzzer.cpp
@@ -0,0 +1,389 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/bufferqueue/2.0/types.h>
+#include <system/window.h>
+
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+using namespace hardware::graphics::bufferqueue;
+using namespace V1_0::utils;
+using namespace V2_0::utils;
+
+constexpr int32_t kMaxBytes = 256;
+
+constexpr int32_t kError[] = {
+        OK,        NO_MEMORY,   NO_INIT,       BAD_VALUE,      DEAD_OBJECT, INVALID_OPERATION,
+        TIMED_OUT, WOULD_BLOCK, UNKNOWN_ERROR, ALREADY_EXISTS,
+};
+
+constexpr int32_t kAPIConnection[] = {
+        BufferQueueCore::CURRENTLY_CONNECTED_API,
+        BufferQueueCore::NO_CONNECTED_API,
+        NATIVE_WINDOW_API_EGL,
+        NATIVE_WINDOW_API_CPU,
+        NATIVE_WINDOW_API_MEDIA,
+        NATIVE_WINDOW_API_CAMERA,
+};
+
+class BufferQueueFuzzer {
+public:
+    BufferQueueFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeTypes();
+    void invokeH2BGraphicBufferV1();
+    void invokeH2BGraphicBufferV2();
+    void invokeBufferQueueConsumer();
+    void invokeBufferQueueProducer();
+    void invokeBlastBufferQueue();
+    void invokeQuery(sp<BufferQueueProducer>);
+    void invokeQuery(sp<V1_0::utils::H2BGraphicBufferProducer>);
+    void invokeQuery(sp<V2_0::utils::H2BGraphicBufferProducer>);
+    void invokeAcquireBuffer(sp<BufferQueueConsumer>);
+    void invokeOccupancyTracker(sp<BufferQueueConsumer>);
+    sp<SurfaceControl> makeSurfaceControl();
+    sp<BLASTBufferQueue> makeBLASTBufferQueue(sp<SurfaceControl>);
+
+    FuzzedDataProvider mFdp;
+};
+
+class ManageResourceHandle {
+public:
+    ManageResourceHandle(FuzzedDataProvider* fdp) {
+        mNativeHandle = native_handle_create(0 /*numFds*/, 1 /*numInts*/);
+        mShouldOwn = fdp->ConsumeBool();
+        mStream = NativeHandle::create(mNativeHandle, mShouldOwn);
+    }
+    ~ManageResourceHandle() {
+        if (!mShouldOwn) {
+            native_handle_close(mNativeHandle);
+            native_handle_delete(mNativeHandle);
+        }
+    }
+    sp<NativeHandle> getStream() { return mStream; }
+
+private:
+    bool mShouldOwn;
+    sp<NativeHandle> mStream;
+    native_handle_t* mNativeHandle;
+};
+
+sp<SurfaceControl> BufferQueueFuzzer::makeSurfaceControl() {
+    sp<IBinder> handle;
+    const sp<FakeBnSurfaceComposerClient> testClient(new FakeBnSurfaceComposerClient());
+    sp<SurfaceComposerClient> client = new SurfaceComposerClient(testClient);
+    sp<BnGraphicBufferProducer> producer;
+    return sp<SurfaceControl>::make(client, handle, mFdp.ConsumeIntegral<int32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>(),
+                                    mFdp.ConsumeIntegral<int32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>(),
+                                    mFdp.ConsumeIntegral<uint32_t>());
+}
+
+sp<BLASTBufferQueue> BufferQueueFuzzer::makeBLASTBufferQueue(sp<SurfaceControl> surface) {
+    return sp<BLASTBufferQueue>::make(mFdp.ConsumeRandomLengthString(kMaxBytes), surface,
+                                      mFdp.ConsumeIntegral<uint32_t>(),
+                                      mFdp.ConsumeIntegral<uint32_t>(),
+                                      mFdp.ConsumeIntegral<int32_t>());
+}
+
+void BufferQueueFuzzer::invokeBlastBufferQueue() {
+    sp<SurfaceControl> surface = makeSurfaceControl();
+    sp<BLASTBufferQueue> queue = makeBLASTBufferQueue(surface);
+
+    BufferItem item;
+    queue->onFrameAvailable(item);
+    queue->onFrameReplaced(item);
+    uint64_t bufferId = mFdp.ConsumeIntegral<uint64_t>();
+    queue->onFrameDequeued(bufferId);
+    queue->onFrameCancelled(bufferId);
+
+    SurfaceComposerClient::Transaction next;
+    uint64_t frameNumber = mFdp.ConsumeIntegral<uint64_t>();
+    queue->mergeWithNextTransaction(&next, frameNumber);
+    queue->applyPendingTransactions(frameNumber);
+
+    queue->update(surface, mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                  mFdp.ConsumeIntegral<int32_t>());
+    queue->setFrameRate(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeIntegral<int8_t>(),
+                        mFdp.ConsumeBool() /*shouldBeSeamless*/);
+    FrameTimelineInfo info;
+    queue->setFrameTimelineInfo(info);
+
+    ManageResourceHandle handle(&mFdp);
+    queue->setSidebandStream(handle.getStream());
+
+    queue->getLastTransformHint();
+    queue->getLastAcquiredFrameNum();
+
+    CompositorTiming compTiming;
+    sp<Fence> previousFence = new Fence(memfd_create("pfd", MFD_ALLOW_SEALING));
+    sp<Fence> gpuFence = new Fence(memfd_create("gfd", MFD_ALLOW_SEALING));
+    FrameEventHistoryStats frameStats(frameNumber, gpuFence, compTiming,
+                                      mFdp.ConsumeIntegral<int64_t>(),
+                                      mFdp.ConsumeIntegral<int64_t>());
+    std::vector<SurfaceControlStats> stats;
+    sp<Fence> presentFence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    SurfaceControlStats controlStats(surface, mFdp.ConsumeIntegral<int64_t>(),
+                                     mFdp.ConsumeIntegral<int64_t>(), presentFence, previousFence,
+                                     mFdp.ConsumeIntegral<uint32_t>(), frameStats,
+                                     mFdp.ConsumeIntegral<uint32_t>());
+    stats.push_back(controlStats);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<BufferQueueProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<V1_0::utils::H2BGraphicBufferProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeQuery(sp<V2_0::utils::H2BGraphicBufferProducer> producer) {
+    int32_t value;
+    producer->query(mFdp.ConsumeIntegral<int32_t>(), &value);
+}
+
+void BufferQueueFuzzer::invokeBufferQueueProducer() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<BufferQueueProducer> producer(new BufferQueueProducer(core));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t maxBuffers = mFdp.ConsumeIntegral<uint32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(maxBuffers);
+    producer->setAsyncMode(mFdp.ConsumeBool() /*async*/);
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->detachNextBuffer(&buffer, &fence);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+    producer->setLegacyBufferDrop(mFdp.ConsumeBool() /*drop*/);
+    producer->setAutoPrerotation(mFdp.ConsumeBool() /*autoPrerotation*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::invokeAcquireBuffer(sp<BufferQueueConsumer> consumer) {
+    BufferItem item;
+    consumer->acquireBuffer(&item, mFdp.ConsumeIntegral<uint32_t>(),
+                            mFdp.ConsumeIntegral<uint64_t>());
+}
+
+void BufferQueueFuzzer::invokeOccupancyTracker(sp<BufferQueueConsumer> consumer) {
+    String8 outResult;
+    String8 prefix((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    consumer->dumpState(prefix, &outResult);
+
+    std::vector<OccupancyTracker::Segment> outHistory;
+    consumer->getOccupancyHistory(mFdp.ConsumeBool() /*forceFlush*/, &outHistory);
+}
+
+void BufferQueueFuzzer::invokeBufferQueueConsumer() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<BufferQueueConsumer> consumer(new BufferQueueConsumer(core));
+    sp<android::IConsumerListener> listener;
+    consumer->consumerConnect(listener, mFdp.ConsumeBool() /*controlledByApp*/);
+    invokeAcquireBuffer(consumer);
+
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    sp<GraphicBuffer> buffer =
+            new GraphicBuffer(mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint64_t>());
+    consumer->attachBuffer(&slot, buffer);
+    consumer->detachBuffer(slot);
+
+    consumer->setDefaultBufferSize(mFdp.ConsumeIntegral<uint32_t>(),
+                                   mFdp.ConsumeIntegral<uint32_t>());
+    consumer->setMaxBufferCount(mFdp.ConsumeIntegral<int32_t>());
+    consumer->setMaxAcquiredBufferCount(mFdp.ConsumeIntegral<int32_t>());
+
+    String8 name((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    consumer->setConsumerName(name);
+    consumer->setDefaultBufferFormat(mFdp.ConsumeIntegral<int32_t>());
+    android_dataspace dataspace =
+            static_cast<android_dataspace>(mFdp.PickValueInArray(kDataspaces));
+    consumer->setDefaultBufferDataSpace(dataspace);
+
+    consumer->setTransformHint(mFdp.ConsumeIntegral<uint32_t>());
+    consumer->setConsumerUsageBits(mFdp.ConsumeIntegral<uint64_t>());
+    consumer->setConsumerIsProtected(mFdp.ConsumeBool() /*isProtected*/);
+    invokeOccupancyTracker(consumer);
+
+    sp<Fence> releaseFence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    consumer->releaseBuffer(mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint64_t>(),
+                            EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
+    consumer->consumerDisconnect();
+}
+
+void BufferQueueFuzzer::invokeTypes() {
+    HStatus hStatus;
+    int32_t status = mFdp.PickValueInArray(kError);
+    bool bufferNeedsReallocation = mFdp.ConsumeBool();
+    bool releaseAllBuffers = mFdp.ConsumeBool();
+    b2h(status, &hStatus, &bufferNeedsReallocation, &releaseAllBuffers);
+    h2b(hStatus, &status);
+
+    HConnectionType type;
+    int32_t apiConnection = mFdp.PickValueInArray(kAPIConnection);
+    b2h(apiConnection, &type);
+    h2b(type, &apiConnection);
+}
+
+void BufferQueueFuzzer::invokeH2BGraphicBufferV1() {
+    sp<V1_0::utils::H2BGraphicBufferProducer> producer(
+            new V1_0::utils::H2BGraphicBufferProducer(new FakeGraphicBufferProducerV1()));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(mFdp.ConsumeIntegral<int32_t>());
+    producer->setAsyncMode(mFdp.ConsumeBool());
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    input.fence = new Fence(memfd_create("ffd", MFD_ALLOW_SEALING));
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::invokeH2BGraphicBufferV2() {
+    sp<V2_0::utils::H2BGraphicBufferProducer> producer(
+            new V2_0::utils::H2BGraphicBufferProducer(new FakeGraphicBufferProducerV2()));
+    const sp<android::IProducerListener> listener;
+    android::IGraphicBufferProducer::QueueBufferOutput output;
+    uint32_t api = mFdp.ConsumeIntegral<uint32_t>();
+    producer->connect(listener, api, mFdp.ConsumeBool() /*producerControlledByApp*/, &output);
+
+    sp<GraphicBuffer> buffer;
+    int32_t slot = mFdp.ConsumeIntegral<int32_t>();
+    producer->requestBuffer(slot, &buffer);
+    producer->setMaxDequeuedBufferCount(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setAsyncMode(mFdp.ConsumeBool());
+
+    android::IGraphicBufferProducer::QueueBufferInput input;
+    input.fence = new Fence(memfd_create("ffd", MFD_ALLOW_SEALING));
+    producer->attachBuffer(&slot, buffer);
+    producer->queueBuffer(slot, input, &output);
+
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint64_t usage = mFdp.ConsumeIntegral<uint64_t>();
+    uint64_t outBufferAge;
+    FrameEventHistoryDelta outTimestamps;
+    sp<android::Fence> fence;
+    producer->dequeueBuffer(&slot, &fence, width, height, format, usage, &outBufferAge,
+                            &outTimestamps);
+    producer->detachBuffer(slot);
+    producer->cancelBuffer(slot, fence);
+
+    invokeQuery(producer);
+
+    ManageResourceHandle handle(&mFdp);
+    producer->setSidebandStream(handle.getStream());
+
+    producer->allocateBuffers(width, height, format, usage);
+    producer->allowAllocation(mFdp.ConsumeBool() /*allow*/);
+    producer->setSharedBufferMode(mFdp.ConsumeBool() /*sharedBufferMode*/);
+    producer->setAutoRefresh(mFdp.ConsumeBool() /*autoRefresh*/);
+
+    producer->setGenerationNumber(mFdp.ConsumeIntegral<uint32_t>());
+    producer->setDequeueTimeout(mFdp.ConsumeIntegral<uint32_t>());
+    producer->disconnect(api);
+}
+
+void BufferQueueFuzzer::process() {
+    invokeBlastBufferQueue();
+    invokeH2BGraphicBufferV1();
+    invokeH2BGraphicBufferV2();
+    invokeTypes();
+    invokeBufferQueueConsumer();
+    invokeBufferQueueProducer();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    BufferQueueFuzzer bufferQueueFuzzer(data, size);
+    bufferQueueFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp b/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp
new file mode 100644
index 0000000..24a046d
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_consumer_fuzzer.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/GLConsumer.h>
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+constexpr int32_t kMinBuffer = 0;
+constexpr int32_t kMaxBuffer = 100000;
+
+class ConsumerFuzzer {
+public:
+    ConsumerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    FuzzedDataProvider mFdp;
+};
+
+void ConsumerFuzzer::process() {
+    sp<BufferQueueCore> core(new BufferQueueCore());
+    sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
+
+    uint64_t maxBuffers = mFdp.ConsumeIntegralInRange<uint64_t>(kMinBuffer, kMaxBuffer);
+    sp<CpuConsumer> cpu(
+            new CpuConsumer(consumer, maxBuffers, mFdp.ConsumeBool() /*controlledByApp*/));
+    CpuConsumer::LockedBuffer lockBuffer;
+    cpu->lockNextBuffer(&lockBuffer);
+    cpu->unlockBuffer(lockBuffer);
+    cpu->abandon();
+
+    uint32_t tex = mFdp.ConsumeIntegral<uint32_t>();
+    sp<GLConsumer> glComsumer(new GLConsumer(consumer, tex, GLConsumer::TEXTURE_EXTERNAL,
+                                             mFdp.ConsumeBool() /*useFenceSync*/,
+                                             mFdp.ConsumeBool() /*isControlledByApp*/));
+    sp<Fence> releaseFence = new Fence(memfd_create("rfd", MFD_ALLOW_SEALING));
+    glComsumer->setReleaseFence(releaseFence);
+    glComsumer->updateTexImage();
+    glComsumer->releaseTexImage();
+
+    sp<GraphicBuffer> buffer =
+            new GraphicBuffer(mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<int32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint64_t>());
+    float mtx[16];
+    glComsumer->getTransformMatrix(mtx);
+    glComsumer->computeTransformMatrix(mtx, buffer, getRect(&mFdp),
+                                       mFdp.ConsumeIntegral<uint32_t>(),
+                                       mFdp.ConsumeBool() /*filtering*/);
+    glComsumer->scaleDownCrop(getRect(&mFdp), mFdp.ConsumeIntegral<uint32_t>(),
+                              mFdp.ConsumeIntegral<uint32_t>());
+
+    glComsumer->setDefaultBufferSize(mFdp.ConsumeIntegral<uint32_t>(),
+                                     mFdp.ConsumeIntegral<uint32_t>());
+    glComsumer->setFilteringEnabled(mFdp.ConsumeBool() /*enabled*/);
+
+    glComsumer->setConsumerUsageBits(mFdp.ConsumeIntegral<uint64_t>());
+    glComsumer->attachToContext(tex);
+    glComsumer->abandon();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    ConsumerFuzzer consumerFuzzer(data, size);
+    consumerFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp b/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp
new file mode 100644
index 0000000..6d5ae49
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_displayEvent_fuzzer.cpp
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android/gui/ISurfaceComposer.h>
+
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+constexpr gui::ISurfaceComposer::VsyncSource kVsyncSource[] = {
+        gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+        gui::ISurfaceComposer::VsyncSource::eVsyncSourceSurfaceFlinger,
+};
+
+constexpr gui::ISurfaceComposer::EventRegistration kEventRegistration[] = {
+        gui::ISurfaceComposer::EventRegistration::modeChanged,
+        gui::ISurfaceComposer::EventRegistration::frameRateOverride,
+};
+
+constexpr uint32_t kDisplayEvent[] = {
+        DisplayEventReceiver::DISPLAY_EVENT_NULL,
+        DisplayEventReceiver::DISPLAY_EVENT_VSYNC,
+        DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG,
+        DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE,
+        DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE,
+        DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH,
+};
+
+constexpr int32_t kEvents[] = {
+        Looper::EVENT_INPUT,  Looper::EVENT_OUTPUT,  Looper::EVENT_ERROR,
+        Looper::EVENT_HANGUP, Looper::EVENT_INVALID,
+};
+
+DisplayEventReceiver::Event buildDisplayEvent(FuzzedDataProvider* fdp, uint32_t type,
+                                              DisplayEventReceiver::Event event) {
+    switch (type) {
+        case DisplayEventReceiver::DISPLAY_EVENT_VSYNC: {
+            event.vsync.count = fdp->ConsumeIntegral<uint32_t>();
+            event.vsync.vsyncData.frameInterval = fdp->ConsumeIntegral<uint64_t>();
+            event.vsync.vsyncData.preferredFrameTimelineIndex = fdp->ConsumeIntegral<uint32_t>();
+            for (size_t idx = 0; idx < gui::VsyncEventData::kFrameTimelinesLength; ++idx) {
+                event.vsync.vsyncData.frameTimelines[idx].vsyncId = fdp->ConsumeIntegral<int64_t>();
+                event.vsync.vsyncData.frameTimelines[idx].deadlineTimestamp =
+                        fdp->ConsumeIntegral<uint64_t>();
+                event.vsync.vsyncData.frameTimelines[idx].expectedPresentationTime =
+                        fdp->ConsumeIntegral<uint64_t>();
+            }
+            break;
+
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG: {
+            event.hotplug = DisplayEventReceiver::Event::Hotplug{fdp->ConsumeBool() /*connected*/};
+            break;
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE: {
+            event.modeChange =
+                    DisplayEventReceiver::Event::ModeChange{fdp->ConsumeIntegral<int32_t>(),
+                                                            fdp->ConsumeIntegral<int64_t>()};
+            break;
+        }
+        case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE:
+        case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH: {
+            event.frameRateOverride =
+                    DisplayEventReceiver::Event::FrameRateOverride{fdp->ConsumeIntegral<uint32_t>(),
+                                                                   fdp->ConsumeFloatingPoint<
+                                                                           float>()};
+            break;
+        }
+    }
+    return event;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+    sp<Looper> looper;
+    sp<FakeDisplayEventDispatcher> dispatcher(
+            new FakeDisplayEventDispatcher(looper, fdp.PickValueInArray(kVsyncSource),
+                                           fdp.PickValueInArray(kEventRegistration)));
+
+    dispatcher->initialize();
+    DisplayEventReceiver::Event event;
+    uint32_t type = fdp.PickValueInArray(kDisplayEvent);
+    PhysicalDisplayId displayId;
+    event.header =
+            DisplayEventReceiver::Event::Header{type, displayId, fdp.ConsumeIntegral<int64_t>()};
+    event = buildDisplayEvent(&fdp, type, event);
+
+    dispatcher->injectEvent(event);
+    dispatcher->handleEvent(0, fdp.PickValueInArray(kEvents), nullptr);
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_fuzzer_utils.h b/libs/gui/fuzzer/libgui_fuzzer_utils.h
new file mode 100644
index 0000000..d51f685
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_fuzzer_utils.h
@@ -0,0 +1,313 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <android/gui/BnRegionSamplingListener.h>
+#include <android/gui/BnSurfaceComposer.h>
+#include <android/gui/BnSurfaceComposerClient.h>
+#include <android/gui/IDisplayEventConnection.h>
+#include <android/gui/ISurfaceComposerClient.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <gmock/gmock.h>
+#include <gui/BLASTBufferQueue.h>
+#include <gui/DisplayEventDispatcher.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/LayerDebugInfo.h>
+#include <gui/LayerState.h>
+#include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h>
+#include <gui/bufferqueue/2.0/H2BGraphicBufferProducer.h>
+#include <ui/fuzzer/FuzzableDataspaces.h>
+
+namespace android {
+
+constexpr uint32_t kOrientation[] = {
+        ui::Transform::ROT_0,  ui::Transform::FLIP_H,  ui::Transform::FLIP_V,
+        ui::Transform::ROT_90, ui::Transform::ROT_180, ui::Transform::ROT_270,
+};
+
+Rect getRect(FuzzedDataProvider* fdp) {
+    const int32_t left = fdp->ConsumeIntegral<int32_t>();
+    const int32_t top = fdp->ConsumeIntegral<int32_t>();
+    const int32_t right = fdp->ConsumeIntegral<int32_t>();
+    const int32_t bottom = fdp->ConsumeIntegral<int32_t>();
+    return Rect(left, top, right, bottom);
+}
+
+gui::DisplayBrightness getBrightness(FuzzedDataProvider* fdp) {
+    static constexpr float kMinBrightness = 0;
+    static constexpr float kMaxBrightness = 1;
+    gui::DisplayBrightness brightness;
+    brightness.sdrWhitePoint =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.sdrWhitePointNits =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.displayBrightness =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    brightness.displayBrightnessNits =
+            fdp->ConsumeFloatingPointInRange<float>(kMinBrightness, kMaxBrightness);
+    return brightness;
+}
+
+class FakeBnSurfaceComposer : public gui::BnSurfaceComposer {
+public:
+    MOCK_METHOD(binder::Status, bootFinished, (), (override));
+    MOCK_METHOD(binder::Status, createDisplayEventConnection,
+                (gui::ISurfaceComposer::VsyncSource, gui::ISurfaceComposer::EventRegistration,
+                 sp<gui::IDisplayEventConnection>*),
+                (override));
+    MOCK_METHOD(binder::Status, createConnection, (sp<gui::ISurfaceComposerClient>*), (override));
+    MOCK_METHOD(binder::Status, createDisplay, (const std::string&, bool, sp<IBinder>*),
+                (override));
+    MOCK_METHOD(binder::Status, destroyDisplay, (const sp<IBinder>&), (override));
+    MOCK_METHOD(binder::Status, getPhysicalDisplayIds, (std::vector<int64_t>*), (override));
+    MOCK_METHOD(binder::Status, getPhysicalDisplayToken, (int64_t, sp<IBinder>*), (override));
+    MOCK_METHOD(binder::Status, setPowerMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, getSupportedFrameTimestamps, (std::vector<FrameEvent>*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayStats, (const sp<IBinder>&, gui::DisplayStatInfo*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayState, (const sp<IBinder>&, gui::DisplayState*),
+                (override));
+    MOCK_METHOD(binder::Status, getStaticDisplayInfo, (const sp<IBinder>&, gui::StaticDisplayInfo*),
+                (override));
+    MOCK_METHOD(binder::Status, getDynamicDisplayInfo,
+                (const sp<IBinder>&, gui::DynamicDisplayInfo*), (override));
+    MOCK_METHOD(binder::Status, getDisplayNativePrimaries,
+                (const sp<IBinder>&, gui::DisplayPrimaries*), (override));
+    MOCK_METHOD(binder::Status, setActiveColorMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, setBootDisplayMode, (const sp<IBinder>&, int), (override));
+    MOCK_METHOD(binder::Status, clearBootDisplayMode, (const sp<IBinder>&), (override));
+    MOCK_METHOD(binder::Status, getBootDisplayModeSupport, (bool*), (override));
+    MOCK_METHOD(binder::Status, setAutoLowLatencyMode, (const sp<IBinder>&, bool), (override));
+    MOCK_METHOD(binder::Status, setGameContentType, (const sp<IBinder>&, bool), (override));
+    MOCK_METHOD(binder::Status, captureDisplay,
+                (const DisplayCaptureArgs&, const sp<IScreenCaptureListener>&), (override));
+    MOCK_METHOD(binder::Status, captureDisplayById, (int64_t, const sp<IScreenCaptureListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, captureLayers,
+                (const LayerCaptureArgs&, const sp<IScreenCaptureListener>&), (override));
+    MOCK_METHOD(binder::Status, clearAnimationFrameStats, (), (override));
+    MOCK_METHOD(binder::Status, getAnimationFrameStats, (gui::FrameStats*), (override));
+    MOCK_METHOD(binder::Status, overrideHdrTypes, (const sp<IBinder>&, const std::vector<int32_t>&),
+                (override));
+    MOCK_METHOD(binder::Status, onPullAtom, (int32_t, gui::PullAtomData*), (override));
+    MOCK_METHOD(binder::Status, enableVSyncInjections, (bool), (override));
+    MOCK_METHOD(binder::Status, injectVSync, (int64_t), (override));
+    MOCK_METHOD(binder::Status, getLayerDebugInfo, (std::vector<gui::LayerDebugInfo>*), (override));
+    MOCK_METHOD(binder::Status, getColorManagement, (bool*), (override));
+    MOCK_METHOD(binder::Status, getCompositionPreference, (gui::CompositionPreference*),
+                (override));
+    MOCK_METHOD(binder::Status, getDisplayedContentSamplingAttributes,
+                (const sp<IBinder>&, gui::ContentSamplingAttributes*), (override));
+    MOCK_METHOD(binder::Status, setDisplayContentSamplingEnabled,
+                (const sp<IBinder>&, bool, int8_t, int64_t), (override));
+    MOCK_METHOD(binder::Status, getDisplayedContentSample,
+                (const sp<IBinder>&, int64_t, int64_t, gui::DisplayedFrameStats*), (override));
+    MOCK_METHOD(binder::Status, getProtectedContentSupport, (bool*), (override));
+    MOCK_METHOD(binder::Status, isWideColorDisplay, (const sp<IBinder>&, bool*), (override));
+    MOCK_METHOD(binder::Status, addRegionSamplingListener,
+                (const gui::ARect&, const sp<IBinder>&, const sp<gui::IRegionSamplingListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeRegionSamplingListener,
+                (const sp<gui::IRegionSamplingListener>&), (override));
+    MOCK_METHOD(binder::Status, addFpsListener, (int32_t, const sp<gui::IFpsListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeFpsListener, (const sp<gui::IFpsListener>&), (override));
+    MOCK_METHOD(binder::Status, addTunnelModeEnabledListener,
+                (const sp<gui::ITunnelModeEnabledListener>&), (override));
+    MOCK_METHOD(binder::Status, removeTunnelModeEnabledListener,
+                (const sp<gui::ITunnelModeEnabledListener>&), (override));
+    MOCK_METHOD(binder::Status, setDesiredDisplayModeSpecs,
+                (const sp<IBinder>&, int32_t, bool, float, float, float,
+                 float appRequestRefreshRateMax),
+                (override));
+    MOCK_METHOD(binder::Status, getDesiredDisplayModeSpecs,
+                (const sp<IBinder>&, gui::DisplayModeSpecs*), (override));
+    MOCK_METHOD(binder::Status, getDisplayBrightnessSupport, (const sp<IBinder>&, bool*),
+                (override));
+    MOCK_METHOD(binder::Status, setDisplayBrightness,
+                (const sp<IBinder>&, const gui::DisplayBrightness&), (override));
+    MOCK_METHOD(binder::Status, addHdrLayerInfoListener,
+                (const sp<IBinder>&, const sp<gui::IHdrLayerInfoListener>&), (override));
+    MOCK_METHOD(binder::Status, removeHdrLayerInfoListener,
+                (const sp<IBinder>&, const sp<gui::IHdrLayerInfoListener>&), (override));
+    MOCK_METHOD(binder::Status, notifyPowerBoost, (int), (override));
+    MOCK_METHOD(binder::Status, setGlobalShadowSettings,
+                (const gui::Color&, const gui::Color&, float, float, float), (override));
+    MOCK_METHOD(binder::Status, getDisplayDecorationSupport,
+                (const sp<IBinder>&, std::optional<gui::DisplayDecorationSupport>*), (override));
+    MOCK_METHOD(binder::Status, setOverrideFrameRate, (int32_t, float), (override));
+    MOCK_METHOD(binder::Status, addTransactionTraceListener,
+                (const sp<gui::ITransactionTraceListener>&), (override));
+    MOCK_METHOD(binder::Status, getGpuContextPriority, (int32_t*), (override));
+    MOCK_METHOD(binder::Status, getMaxAcquiredBufferCount, (int32_t*), (override));
+    MOCK_METHOD(binder::Status, addWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
+                (override));
+    MOCK_METHOD(binder::Status, removeWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
+                (override));
+};
+
+class FakeBnSurfaceComposerClient : public gui::BnSurfaceComposerClient {
+public:
+    MOCK_METHOD(binder::Status, createSurface,
+                (const std::string& name, int32_t flags, const sp<IBinder>& parent,
+                 const gui::LayerMetadata& metadata, gui::CreateSurfaceResult* outResult),
+                (override));
+
+    MOCK_METHOD(binder::Status, clearLayerFrameStats, (const sp<IBinder>& handle), (override));
+
+    MOCK_METHOD(binder::Status, getLayerFrameStats,
+                (const sp<IBinder>& handle, gui::FrameStats* outStats), (override));
+
+    MOCK_METHOD(binder::Status, mirrorSurface,
+                (const sp<IBinder>& mirrorFromHandle, gui::MirrorSurfaceResult* outResult),
+                (override));
+
+    MOCK_METHOD(binder::Status, mirrorDisplay,
+                (int64_t displayId, gui::MirrorSurfaceResult* outResult), (override));
+};
+
+class FakeDisplayEventDispatcher : public DisplayEventDispatcher {
+public:
+    FakeDisplayEventDispatcher(const sp<Looper>& looper,
+                               gui::ISurfaceComposer::VsyncSource vsyncSource,
+                               gui::ISurfaceComposer::EventRegistration eventRegistration)
+          : DisplayEventDispatcher(looper, vsyncSource, eventRegistration){};
+
+    MOCK_METHOD4(dispatchVsync, void(nsecs_t, PhysicalDisplayId, uint32_t, VsyncEventData));
+    MOCK_METHOD3(dispatchHotplug, void(nsecs_t, PhysicalDisplayId, bool));
+    MOCK_METHOD4(dispatchModeChanged, void(nsecs_t, PhysicalDisplayId, int32_t, nsecs_t));
+    MOCK_METHOD2(dispatchNullEvent, void(nsecs_t, PhysicalDisplayId));
+    MOCK_METHOD3(dispatchFrameRateOverrides,
+                 void(nsecs_t, PhysicalDisplayId, std::vector<FrameRateOverride>));
+};
+
+} // namespace android
+
+namespace android::hardware {
+
+namespace graphics::bufferqueue::V1_0::utils {
+
+class FakeGraphicBufferProducerV1 : public HGraphicBufferProducer {
+public:
+    FakeGraphicBufferProducerV1() {
+        ON_CALL(*this, setMaxDequeuedBufferCount).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setAsyncMode).WillByDefault([]() { return 0; });
+        ON_CALL(*this, detachBuffer).WillByDefault([]() { return 0; });
+        ON_CALL(*this, cancelBuffer).WillByDefault([]() { return 0; });
+        ON_CALL(*this, disconnect).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setSidebandStream).WillByDefault([]() { return 0; });
+        ON_CALL(*this, allowAllocation).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setGenerationNumber).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setSharedBufferMode).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setAutoRefresh).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setDequeueTimeout).WillByDefault([]() { return 0; });
+        ON_CALL(*this, setLegacyBufferDrop).WillByDefault([]() { return 0; });
+    };
+    MOCK_METHOD2(requestBuffer, Return<void>(int, requestBuffer_cb));
+    MOCK_METHOD1(setMaxDequeuedBufferCount, Return<int32_t>(int32_t));
+    MOCK_METHOD1(setAsyncMode, Return<int32_t>(bool));
+    MOCK_METHOD6(dequeueBuffer,
+                 Return<void>(uint32_t, uint32_t, graphics::common::V1_0::PixelFormat, uint32_t,
+                              bool, dequeueBuffer_cb));
+    MOCK_METHOD1(detachBuffer, Return<int32_t>(int));
+    MOCK_METHOD1(detachNextBuffer, Return<void>(detachNextBuffer_cb));
+    MOCK_METHOD2(attachBuffer, Return<void>(const media::V1_0::AnwBuffer&, attachBuffer_cb));
+    MOCK_METHOD3(
+            queueBuffer,
+            Return<void>(
+                    int,
+                    const graphics::bufferqueue::V1_0::IGraphicBufferProducer::QueueBufferInput&,
+                    queueBuffer_cb));
+    MOCK_METHOD2(cancelBuffer, Return<int32_t>(int, const hidl_handle&));
+    MOCK_METHOD2(query, Return<void>(int32_t, query_cb));
+    MOCK_METHOD4(connect,
+                 Return<void>(const sp<graphics::bufferqueue::V1_0::IProducerListener>&, int32_t,
+                              bool, connect_cb));
+    MOCK_METHOD2(disconnect,
+                 Return<int32_t>(
+                         int, graphics::bufferqueue::V1_0::IGraphicBufferProducer::DisconnectMode));
+    MOCK_METHOD1(setSidebandStream, Return<int32_t>(const hidl_handle&));
+    MOCK_METHOD4(allocateBuffers,
+                 Return<void>(uint32_t, uint32_t, graphics::common::V1_0::PixelFormat, uint32_t));
+    MOCK_METHOD1(allowAllocation, Return<int32_t>(bool));
+    MOCK_METHOD1(setGenerationNumber, Return<int32_t>(uint32_t));
+    MOCK_METHOD1(getConsumerName, Return<void>(getConsumerName_cb));
+    MOCK_METHOD1(setSharedBufferMode, Return<int32_t>(bool));
+    MOCK_METHOD1(setAutoRefresh, Return<int32_t>(bool));
+    MOCK_METHOD1(setDequeueTimeout, Return<int32_t>(nsecs_t));
+    MOCK_METHOD1(setLegacyBufferDrop, Return<int32_t>(bool));
+    MOCK_METHOD1(getLastQueuedBuffer, Return<void>(getLastQueuedBuffer_cb));
+    MOCK_METHOD1(getFrameTimestamps, Return<void>(getFrameTimestamps_cb));
+    MOCK_METHOD1(getUniqueId, Return<void>(getUniqueId_cb));
+};
+
+}; // namespace graphics::bufferqueue::V1_0::utils
+
+namespace graphics::bufferqueue::V2_0::utils {
+
+class FakeGraphicBufferProducerV2 : public HGraphicBufferProducer {
+public:
+    FakeGraphicBufferProducerV2() {
+        ON_CALL(*this, setMaxDequeuedBufferCount).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setAsyncMode).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, detachBuffer).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, cancelBuffer).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, disconnect).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, allocateBuffers).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, allowAllocation).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setGenerationNumber).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, setDequeueTimeout).WillByDefault([]() { return Status::OK; });
+        ON_CALL(*this, getUniqueId).WillByDefault([]() { return 0; });
+    };
+    MOCK_METHOD2(requestBuffer, Return<void>(int, requestBuffer_cb));
+    MOCK_METHOD1(setMaxDequeuedBufferCount, Return<graphics::bufferqueue::V2_0::Status>(int));
+    MOCK_METHOD1(setAsyncMode, Return<graphics::bufferqueue::V2_0::Status>(bool));
+    MOCK_METHOD2(
+            dequeueBuffer,
+            Return<void>(
+                    const graphics::bufferqueue::V2_0::IGraphicBufferProducer::DequeueBufferInput&,
+                    dequeueBuffer_cb));
+    MOCK_METHOD1(detachBuffer, Return<graphics::bufferqueue::V2_0::Status>(int));
+    MOCK_METHOD1(detachNextBuffer, Return<void>(detachNextBuffer_cb));
+    MOCK_METHOD3(attachBuffer,
+                 Return<void>(const graphics::common::V1_2::HardwareBuffer&, uint32_t,
+                              attachBuffer_cb));
+    MOCK_METHOD3(
+            queueBuffer,
+            Return<void>(
+                    int,
+                    const graphics::bufferqueue::V2_0::IGraphicBufferProducer::QueueBufferInput&,
+                    queueBuffer_cb));
+    MOCK_METHOD2(cancelBuffer,
+                 Return<graphics::bufferqueue::V2_0::Status>(int, const hidl_handle&));
+    MOCK_METHOD2(query, Return<void>(int32_t, query_cb));
+    MOCK_METHOD4(connect,
+                 Return<void>(const sp<graphics::bufferqueue::V2_0::IProducerListener>&,
+                              graphics::bufferqueue::V2_0::ConnectionType, bool, connect_cb));
+    MOCK_METHOD1(disconnect,
+                 Return<graphics::bufferqueue::V2_0::Status>(
+                         graphics::bufferqueue::V2_0::ConnectionType));
+    MOCK_METHOD4(allocateBuffers,
+                 Return<graphics::bufferqueue::V2_0::Status>(uint32_t, uint32_t, uint32_t,
+                                                             uint64_t));
+    MOCK_METHOD1(allowAllocation, Return<graphics::bufferqueue::V2_0::Status>(bool));
+    MOCK_METHOD1(setGenerationNumber, Return<graphics::bufferqueue::V2_0::Status>(uint32_t));
+    MOCK_METHOD1(getConsumerName, Return<void>(getConsumerName_cb));
+    MOCK_METHOD1(setDequeueTimeout, Return<graphics::bufferqueue::V2_0::Status>(int64_t));
+    MOCK_METHOD0(getUniqueId, Return<uint64_t>());
+};
+
+}; // namespace graphics::bufferqueue::V2_0::utils
+}; // namespace android::hardware
diff --git a/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp b/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp
new file mode 100644
index 0000000..9f0f6ca
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_parcelable_fuzzer.cpp
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
+#include <gui/LayerMetadata.h>
+#include <gui/OccupancyTracker.h>
+#include <gui/StreamSplitter.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceControl.h>
+#include <gui/view/Surface.h>
+#include <libgui_fuzzer_utils.h>
+#include "android/view/LayerMetadataKey.h"
+
+using namespace android;
+
+constexpr int32_t kMaxBytes = 256;
+constexpr int32_t kMatrixSize = 4;
+constexpr int32_t kLayerMetadataKeyCount = 8;
+
+constexpr uint32_t kMetadataKey[] = {
+        (uint32_t)view::LayerMetadataKey::METADATA_OWNER_UID,
+        (uint32_t)view::LayerMetadataKey::METADATA_WINDOW_TYPE,
+        (uint32_t)view::LayerMetadataKey::METADATA_TASK_ID,
+        (uint32_t)view::LayerMetadataKey::METADATA_MOUSE_CURSOR,
+        (uint32_t)view::LayerMetadataKey::METADATA_ACCESSIBILITY_ID,
+        (uint32_t)view::LayerMetadataKey::METADATA_OWNER_PID,
+        (uint32_t)view::LayerMetadataKey::METADATA_DEQUEUE_TIME,
+        (uint32_t)view::LayerMetadataKey::METADATA_GAME_MODE,
+};
+
+class ParcelableFuzzer {
+public:
+    ParcelableFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeStreamSplitter();
+    void invokeOccupancyTracker();
+    void invokeLayerDebugInfo();
+    void invokeLayerMetadata();
+    void invokeViewSurface();
+
+    FuzzedDataProvider mFdp;
+};
+
+void ParcelableFuzzer::invokeViewSurface() {
+    view::Surface surface;
+    surface.name = String16((mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+    Parcel parcel;
+    surface.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    surface.readFromParcel(&parcel);
+    bool nameAlreadyWritten = mFdp.ConsumeBool();
+    surface.writeToParcel(&parcel, nameAlreadyWritten);
+    parcel.setDataPosition(0);
+    surface.readFromParcel(&parcel, mFdp.ConsumeBool());
+}
+
+void ParcelableFuzzer::invokeLayerMetadata() {
+    std::unordered_map<uint32_t, std::vector<uint8_t>> map;
+    for (size_t idx = 0; idx < kLayerMetadataKeyCount; ++idx) {
+        std::vector<uint8_t> data;
+        for (size_t idx1 = 0; idx1 < mFdp.ConsumeIntegral<uint32_t>(); ++idx1) {
+            data.push_back(mFdp.ConsumeIntegral<uint8_t>());
+        }
+        map[kMetadataKey[idx]] = data;
+    }
+    LayerMetadata metadata(map);
+    uint32_t key = mFdp.PickValueInArray(kMetadataKey);
+    metadata.setInt32(key, mFdp.ConsumeIntegral<int32_t>());
+    metadata.itemToString(key, (mFdp.ConsumeRandomLengthString(kMaxBytes)).c_str());
+
+    Parcel parcel;
+    metadata.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    metadata.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeLayerDebugInfo() {
+    gui::LayerDebugInfo info;
+    info.mName = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mParentName = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mType = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    info.mLayerStack = mFdp.ConsumeIntegral<uint32_t>();
+    info.mX = mFdp.ConsumeFloatingPoint<float>();
+    info.mY = mFdp.ConsumeFloatingPoint<float>();
+    info.mZ = mFdp.ConsumeIntegral<uint32_t>();
+    info.mWidth = mFdp.ConsumeIntegral<int32_t>();
+    info.mHeight = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferWidth = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferHeight = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferStride = mFdp.ConsumeIntegral<int32_t>();
+    info.mActiveBufferFormat = mFdp.ConsumeIntegral<int32_t>();
+    info.mNumQueuedFrames = mFdp.ConsumeIntegral<int32_t>();
+
+    info.mFlags = mFdp.ConsumeIntegral<uint32_t>();
+    info.mPixelFormat = mFdp.ConsumeIntegral<int32_t>();
+    info.mTransparentRegion = Region(getRect(&mFdp));
+    info.mVisibleRegion = Region(getRect(&mFdp));
+    info.mSurfaceDamageRegion = Region(getRect(&mFdp));
+    info.mCrop = getRect(&mFdp);
+    info.mDataSpace = static_cast<android_dataspace>(mFdp.PickValueInArray(kDataspaces));
+    info.mColor = half4(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>(),
+                        mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>());
+    for (size_t idx = 0; idx < kMatrixSize; ++idx) {
+        info.mMatrix[idx / 2][idx % 2] = mFdp.ConsumeFloatingPoint<float>();
+    }
+    info.mIsOpaque = mFdp.ConsumeBool();
+    info.mContentDirty = mFdp.ConsumeBool();
+    info.mStretchEffect.width = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.height = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.vectorX = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.vectorY = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.maxAmountX = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.maxAmountY = mFdp.ConsumeFloatingPoint<float>();
+    info.mStretchEffect.mappedChildBounds =
+            FloatRect(mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>(),
+                      mFdp.ConsumeFloatingPoint<float>(), mFdp.ConsumeFloatingPoint<float>());
+
+    Parcel parcel;
+    info.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    info.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeOccupancyTracker() {
+    nsecs_t totalTime = mFdp.ConsumeIntegral<uint32_t>();
+    size_t numFrames = mFdp.ConsumeIntegral<size_t>();
+    float occupancyAverage = mFdp.ConsumeFloatingPoint<float>();
+    OccupancyTracker::Segment segment(totalTime, numFrames, occupancyAverage,
+                                      mFdp.ConsumeBool() /*usedThirdBuffer*/);
+    Parcel parcel;
+    segment.writeToParcel(&parcel);
+    parcel.setDataPosition(0);
+    segment.readFromParcel(&parcel);
+}
+
+void ParcelableFuzzer::invokeStreamSplitter() {
+    sp<IGraphicBufferProducer> producer;
+    sp<IGraphicBufferConsumer> consumer;
+    BufferQueue::createBufferQueue(&producer, &consumer);
+    sp<StreamSplitter> splitter;
+    StreamSplitter::createSplitter(consumer, &splitter);
+    splitter->addOutput(producer);
+    std::string name = mFdp.ConsumeRandomLengthString(kMaxBytes);
+    splitter->setName(String8(name.c_str()));
+}
+
+void ParcelableFuzzer::process() {
+    invokeStreamSplitter();
+    invokeOccupancyTracker();
+    invokeLayerDebugInfo();
+    invokeLayerMetadata();
+    invokeViewSurface();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    ParcelableFuzzer libGuiFuzzer(data, size);
+    libGuiFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp b/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp
new file mode 100644
index 0000000..48c90c5
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_surfaceComposerClient_fuzzer.cpp
@@ -0,0 +1,306 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <android/hardware/power/Boost.h>
+#include <fuzzbinder/libbinder_driver.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+constexpr int32_t kRandomStringMaxBytes = 256;
+
+constexpr ui::ColorMode kColormodes[] = {ui::ColorMode::NATIVE,
+                                         ui::ColorMode::STANDARD_BT601_625,
+                                         ui::ColorMode::STANDARD_BT601_625_UNADJUSTED,
+                                         ui::ColorMode::STANDARD_BT601_525,
+                                         ui::ColorMode::STANDARD_BT601_525_UNADJUSTED,
+                                         ui::ColorMode::STANDARD_BT709,
+                                         ui::ColorMode::DCI_P3,
+                                         ui::ColorMode::SRGB,
+                                         ui::ColorMode::ADOBE_RGB,
+                                         ui::ColorMode::DISPLAY_P3,
+                                         ui::ColorMode::BT2020,
+                                         ui::ColorMode::BT2100_PQ,
+                                         ui::ColorMode::BT2100_HLG,
+                                         ui::ColorMode::DISPLAY_BT2020};
+
+constexpr hardware::power::Boost kBoost[] = {
+        hardware::power::Boost::INTERACTION,   hardware::power::Boost::DISPLAY_UPDATE_IMMINENT,
+        hardware::power::Boost::ML_ACC,        hardware::power::Boost::AUDIO_LAUNCH,
+        hardware::power::Boost::CAMERA_LAUNCH, hardware::power::Boost::CAMERA_SHOT,
+};
+
+constexpr gui::TouchOcclusionMode kMode[] = {
+        gui::TouchOcclusionMode::BLOCK_UNTRUSTED,
+        gui::TouchOcclusionMode::USE_OPACITY,
+        gui::TouchOcclusionMode::ALLOW,
+};
+
+constexpr gui::WindowInfo::Flag kFlags[] = {
+        gui::WindowInfo::Flag::ALLOW_LOCK_WHILE_SCREEN_ON,
+        gui::WindowInfo::Flag::DIM_BEHIND,
+        gui::WindowInfo::Flag::BLUR_BEHIND,
+        gui::WindowInfo::Flag::NOT_FOCUSABLE,
+        gui::WindowInfo::Flag::NOT_TOUCHABLE,
+        gui::WindowInfo::Flag::NOT_TOUCH_MODAL,
+        gui::WindowInfo::Flag::TOUCHABLE_WHEN_WAKING,
+        gui::WindowInfo::Flag::KEEP_SCREEN_ON,
+        gui::WindowInfo::Flag::LAYOUT_IN_SCREEN,
+        gui::WindowInfo::Flag::LAYOUT_NO_LIMITS,
+        gui::WindowInfo::Flag::FULLSCREEN,
+        gui::WindowInfo::Flag::FORCE_NOT_FULLSCREEN,
+        gui::WindowInfo::Flag::DITHER,
+        gui::WindowInfo::Flag::SECURE,
+        gui::WindowInfo::Flag::SCALED,
+        gui::WindowInfo::Flag::IGNORE_CHEEK_PRESSES,
+        gui::WindowInfo::Flag::LAYOUT_INSET_DECOR,
+        gui::WindowInfo::Flag::ALT_FOCUSABLE_IM,
+        gui::WindowInfo::Flag::WATCH_OUTSIDE_TOUCH,
+        gui::WindowInfo::Flag::SHOW_WHEN_LOCKED,
+        gui::WindowInfo::Flag::SHOW_WALLPAPER,
+        gui::WindowInfo::Flag::TURN_SCREEN_ON,
+        gui::WindowInfo::Flag::DISMISS_KEYGUARD,
+        gui::WindowInfo::Flag::SPLIT_TOUCH,
+        gui::WindowInfo::Flag::HARDWARE_ACCELERATED,
+        gui::WindowInfo::Flag::LAYOUT_IN_OVERSCAN,
+        gui::WindowInfo::Flag::TRANSLUCENT_STATUS,
+        gui::WindowInfo::Flag::TRANSLUCENT_NAVIGATION,
+        gui::WindowInfo::Flag::LOCAL_FOCUS_MODE,
+        gui::WindowInfo::Flag::SLIPPERY,
+        gui::WindowInfo::Flag::LAYOUT_ATTACHED_IN_DECOR,
+        gui::WindowInfo::Flag::DRAWS_SYSTEM_BAR_BACKGROUNDS,
+};
+
+constexpr gui::WindowInfo::Type kType[] = {
+        gui::WindowInfo::Type::UNKNOWN,
+        gui::WindowInfo::Type::FIRST_APPLICATION_WINDOW,
+        gui::WindowInfo::Type::BASE_APPLICATION,
+        gui::WindowInfo::Type::APPLICATION,
+        gui::WindowInfo::Type::APPLICATION_STARTING,
+        gui::WindowInfo::Type::LAST_APPLICATION_WINDOW,
+        gui::WindowInfo::Type::FIRST_SUB_WINDOW,
+        gui::WindowInfo::Type::APPLICATION_PANEL,
+        gui::WindowInfo::Type::APPLICATION_MEDIA,
+        gui::WindowInfo::Type::APPLICATION_SUB_PANEL,
+        gui::WindowInfo::Type::APPLICATION_ATTACHED_DIALOG,
+        gui::WindowInfo::Type::APPLICATION_MEDIA_OVERLAY,
+};
+
+constexpr gui::WindowInfo::InputConfig kFeatures[] = {
+        gui::WindowInfo::InputConfig::NO_INPUT_CHANNEL,
+        gui::WindowInfo::InputConfig::DISABLE_USER_ACTIVITY,
+        gui::WindowInfo::InputConfig::DROP_INPUT,
+        gui::WindowInfo::InputConfig::DROP_INPUT_IF_OBSCURED,
+        gui::WindowInfo::InputConfig::SPY,
+        gui::WindowInfo::InputConfig::INTERCEPTS_STYLUS,
+};
+
+class SurfaceComposerClientFuzzer {
+public:
+    SurfaceComposerClientFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    void invokeSurfaceComposerClient();
+    void invokeSurfaceComposerClientBinder();
+    void invokeSurfaceComposerTransaction();
+    void getWindowInfo(gui::WindowInfo*);
+    sp<SurfaceControl> makeSurfaceControl();
+    BlurRegion getBlurRegion();
+    void fuzzOnPullAtom();
+
+    FuzzedDataProvider mFdp;
+};
+
+BlurRegion SurfaceComposerClientFuzzer::getBlurRegion() {
+    int32_t left = mFdp.ConsumeIntegral<int32_t>();
+    int32_t right = mFdp.ConsumeIntegral<int32_t>();
+    int32_t top = mFdp.ConsumeIntegral<int32_t>();
+    int32_t bottom = mFdp.ConsumeIntegral<int32_t>();
+    uint32_t blurRadius = mFdp.ConsumeIntegral<uint32_t>();
+    float alpha = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusTL = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusTR = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusBL = mFdp.ConsumeFloatingPoint<float>();
+    float cornerRadiusBR = mFdp.ConsumeFloatingPoint<float>();
+    return BlurRegion{blurRadius,     cornerRadiusTL, cornerRadiusTR, cornerRadiusBL,
+                      cornerRadiusBR, alpha,          left,           top,
+                      right,          bottom};
+}
+
+void SurfaceComposerClientFuzzer::getWindowInfo(gui::WindowInfo* windowInfo) {
+    windowInfo->id = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->name = mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes);
+    windowInfo->layoutParamsFlags = mFdp.PickValueInArray(kFlags);
+    windowInfo->layoutParamsType = mFdp.PickValueInArray(kType);
+    windowInfo->frameLeft = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameTop = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameRight = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->frameBottom = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->surfaceInset = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->alpha = mFdp.ConsumeFloatingPointInRange<float>(0, 1);
+    ui::Transform transform(mFdp.PickValueInArray(kOrientation));
+    windowInfo->transform = transform;
+    windowInfo->touchableRegion = Region(getRect(&mFdp));
+    windowInfo->replaceTouchableRegionWithCrop = mFdp.ConsumeBool();
+    windowInfo->touchOcclusionMode = mFdp.PickValueInArray(kMode);
+    windowInfo->ownerPid = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->ownerUid = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo->packageName = mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes);
+    windowInfo->inputConfig = mFdp.PickValueInArray(kFeatures);
+}
+
+sp<SurfaceControl> SurfaceComposerClientFuzzer::makeSurfaceControl() {
+    sp<IBinder> handle;
+    const sp<FakeBnSurfaceComposerClient> testClient(new FakeBnSurfaceComposerClient());
+    sp<SurfaceComposerClient> client = new SurfaceComposerClient(testClient);
+    sp<BnGraphicBufferProducer> producer;
+    uint32_t width = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t height = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t transformHint = mFdp.ConsumeIntegral<uint32_t>();
+    uint32_t flags = mFdp.ConsumeIntegral<uint32_t>();
+    int32_t format = mFdp.ConsumeIntegral<int32_t>();
+    int32_t layerId = mFdp.ConsumeIntegral<int32_t>();
+    return new SurfaceControl(client, handle, layerId, width, height, format, transformHint, flags);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerTransaction() {
+    sp<SurfaceControl> surface = makeSurfaceControl();
+
+    SurfaceComposerClient::Transaction transaction;
+    int32_t layer = mFdp.ConsumeIntegral<int32_t>();
+    transaction.setLayer(surface, layer);
+
+    sp<SurfaceControl> relativeSurface = makeSurfaceControl();
+    transaction.setRelativeLayer(surface, relativeSurface, layer);
+
+    Region transparentRegion(getRect(&mFdp));
+    transaction.setTransparentRegionHint(surface, transparentRegion);
+    transaction.setAlpha(surface, mFdp.ConsumeFloatingPoint<float>());
+
+    transaction.setCornerRadius(surface, mFdp.ConsumeFloatingPoint<float>());
+    transaction.setBackgroundBlurRadius(surface, mFdp.ConsumeFloatingPoint<float>());
+    std::vector<BlurRegion> regions;
+    uint32_t vectorSize = mFdp.ConsumeIntegralInRange<uint32_t>(0, 100);
+    regions.resize(vectorSize);
+    for (size_t idx = 0; idx < vectorSize; ++idx) {
+        regions.push_back(getBlurRegion());
+    }
+    transaction.setBlurRegions(surface, regions);
+
+    transaction.setLayerStack(surface, {mFdp.ConsumeIntegral<uint32_t>()});
+    half3 color = {mFdp.ConsumeIntegral<uint32_t>(), mFdp.ConsumeIntegral<uint32_t>(),
+                   mFdp.ConsumeIntegral<uint32_t>()};
+    transaction.setColor(surface, color);
+    transaction.setBackgroundColor(surface, color, mFdp.ConsumeFloatingPoint<float>(),
+                                   mFdp.PickValueInArray(kDataspaces));
+
+    transaction.setApi(surface, mFdp.ConsumeIntegral<int32_t>());
+    transaction.setFrameRateSelectionPriority(surface, mFdp.ConsumeIntegral<int32_t>());
+    transaction.setColorSpaceAgnostic(surface, mFdp.ConsumeBool() /*agnostic*/);
+
+    gui::WindowInfo windowInfo;
+    getWindowInfo(&windowInfo);
+    transaction.setInputWindowInfo(surface, windowInfo);
+    Parcel windowParcel;
+    windowInfo.writeToParcel(&windowParcel);
+    windowParcel.setDataPosition(0);
+    windowInfo.readFromParcel(&windowParcel);
+
+    windowInfo.addTouchableRegion(getRect(&mFdp));
+    int32_t pointX = mFdp.ConsumeIntegral<int32_t>();
+    int32_t pointY = mFdp.ConsumeIntegral<int32_t>();
+    windowInfo.touchableRegionContainsPoint(pointX, pointY);
+    windowInfo.frameContainsPoint(pointX, pointY);
+
+    Parcel transactionParcel;
+    transaction.writeToParcel(&transactionParcel);
+    transactionParcel.setDataPosition(0);
+    transaction.readFromParcel(&transactionParcel);
+    SurfaceComposerClient::Transaction::createFromParcel(&transactionParcel);
+}
+
+void SurfaceComposerClientFuzzer::fuzzOnPullAtom() {
+    std::string outData;
+    bool success;
+    SurfaceComposerClient::onPullAtom(mFdp.ConsumeIntegral<int32_t>(), &outData, &success);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerClient() {
+    String8 displayName((mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes)).c_str());
+    sp<IBinder> displayToken =
+            SurfaceComposerClient::createDisplay(displayName, mFdp.ConsumeBool() /*secure*/);
+    SurfaceComposerClient::setDesiredDisplayModeSpecs(displayToken, mFdp.ConsumeIntegral<int32_t>(),
+                                                      mFdp.ConsumeBool() /*allowGroupSwitching*/,
+                                                      mFdp.ConsumeFloatingPoint<float>(),
+                                                      mFdp.ConsumeFloatingPoint<float>(),
+                                                      mFdp.ConsumeFloatingPoint<float>(),
+                                                      mFdp.ConsumeFloatingPoint<float>());
+
+    ui::ColorMode colorMode = mFdp.PickValueInArray(kColormodes);
+    SurfaceComposerClient::setActiveColorMode(displayToken, colorMode);
+    SurfaceComposerClient::setAutoLowLatencyMode(displayToken, mFdp.ConsumeBool() /*on*/);
+    SurfaceComposerClient::setGameContentType(displayToken, mFdp.ConsumeBool() /*on*/);
+    SurfaceComposerClient::setDisplayPowerMode(displayToken, mFdp.ConsumeIntegral<int32_t>());
+    SurfaceComposerClient::doUncacheBufferTransaction(mFdp.ConsumeIntegral<uint64_t>());
+
+    SurfaceComposerClient::setDisplayBrightness(displayToken, getBrightness(&mFdp));
+    hardware::power::Boost boostId = mFdp.PickValueInArray(kBoost);
+    SurfaceComposerClient::notifyPowerBoost((int32_t)boostId);
+
+    String8 surfaceName((mFdp.ConsumeRandomLengthString(kRandomStringMaxBytes)).c_str());
+    sp<BBinder> handle(new BBinder());
+    sp<BnGraphicBufferProducer> producer;
+    sp<Surface> surfaceParent(
+            new Surface(producer, mFdp.ConsumeBool() /*controlledByApp*/, handle));
+
+    SurfaceComposerClient::enableVSyncInjections(mFdp.ConsumeBool() /*secure*/);
+    nsecs_t when = mFdp.ConsumeIntegral<uint32_t>();
+    SurfaceComposerClient::injectVSync(when);
+
+    fuzzOnPullAtom();
+    SurfaceComposerClient::setDisplayContentSamplingEnabled(displayToken,
+                                                            mFdp.ConsumeBool() /*enable*/,
+                                                            mFdp.ConsumeIntegral<uint8_t>(),
+                                                            mFdp.ConsumeIntegral<uint64_t>());
+
+    sp<IBinder> stopLayerHandle;
+    sp<gui::IRegionSamplingListener> listener = sp<gui::IRegionSamplingListenerDefault>::make();
+    sp<gui::IRegionSamplingListenerDelegator> sampleListener =
+            new gui::IRegionSamplingListenerDelegator(listener);
+    SurfaceComposerClient::addRegionSamplingListener(getRect(&mFdp), stopLayerHandle,
+                                                     sampleListener);
+    sp<gui::IFpsListenerDefault> fpsListener;
+    SurfaceComposerClient::addFpsListener(mFdp.ConsumeIntegral<int32_t>(), fpsListener);
+}
+
+void SurfaceComposerClientFuzzer::invokeSurfaceComposerClientBinder() {
+    sp<FakeBnSurfaceComposerClient> client(new FakeBnSurfaceComposerClient());
+    fuzzService(client.get(), std::move(mFdp));
+}
+
+void SurfaceComposerClientFuzzer::process() {
+    invokeSurfaceComposerClient();
+    invokeSurfaceComposerTransaction();
+    invokeSurfaceComposerClientBinder();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    SurfaceComposerClientFuzzer surfaceComposerClientFuzzer(data, size);
+    surfaceComposerClientFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp b/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp
new file mode 100644
index 0000000..6d5427b
--- /dev/null
+++ b/libs/gui/fuzzer/libgui_surfaceComposer_fuzzer.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fuzzbinder/libbinder_driver.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <libgui_fuzzer_utils.h>
+
+using namespace android;
+
+class SurfaceComposerFuzzer {
+public:
+    SurfaceComposerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
+    void process();
+
+private:
+    FuzzedDataProvider mFdp;
+};
+
+void SurfaceComposerFuzzer::process() {
+    sp<FakeBnSurfaceComposer> composer(new FakeBnSurfaceComposer());
+    fuzzService(composer.get(), std::move(mFdp));
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    SurfaceComposerFuzzer surfaceComposerFuzzer(data, size);
+    surfaceComposerFuzzer.process();
+    return 0;
+}
diff --git a/libs/gui/include/gui/AidlStatusUtil.h b/libs/gui/include/gui/AidlStatusUtil.h
new file mode 100644
index 0000000..55be27b
--- /dev/null
+++ b/libs/gui/include/gui/AidlStatusUtil.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/Status.h>
+
+// Extracted from frameworks/av/media/libaudioclient/include/media/AidlConversionUtil.h
+namespace android::gui::aidl_utils {
+
+/**
+ * Return the equivalent Android status_t from a binder exception code.
+ *
+ * Generally one should use statusTFromBinderStatus() instead.
+ *
+ * Exception codes can be generated from a remote Java service exception, translate
+ * them for use on the Native side.
+ *
+ * Note: for EX_TRANSACTION_FAILED and EX_SERVICE_SPECIFIC a more detailed error code
+ * can be found from transactionError() or serviceSpecificErrorCode().
+ */
+static inline status_t statusTFromExceptionCode(int32_t exceptionCode) {
+    using namespace ::android::binder;
+    switch (exceptionCode) {
+        case Status::EX_NONE:
+            return OK;
+        case Status::EX_SECURITY: // Java SecurityException, rethrows locally in Java
+            return PERMISSION_DENIED;
+        case Status::EX_BAD_PARCELABLE:   // Java BadParcelableException, rethrows in Java
+        case Status::EX_ILLEGAL_ARGUMENT: // Java IllegalArgumentException, rethrows in Java
+        case Status::EX_NULL_POINTER:     // Java NullPointerException, rethrows in Java
+            return BAD_VALUE;
+        case Status::EX_ILLEGAL_STATE:         // Java IllegalStateException, rethrows in Java
+        case Status::EX_UNSUPPORTED_OPERATION: // Java UnsupportedOperationException, rethrows
+            return INVALID_OPERATION;
+        case Status::EX_HAS_REPLY_HEADER: // Native strictmode violation
+        case Status::EX_PARCELABLE: // Java bootclass loader (not standard exception), rethrows
+        case Status::EX_NETWORK_MAIN_THREAD: // Java NetworkOnMainThreadException, rethrows
+        case Status::EX_TRANSACTION_FAILED:  // Native - see error code
+        case Status::EX_SERVICE_SPECIFIC:    // Java ServiceSpecificException,
+                                             // rethrows in Java with integer error code
+            return UNKNOWN_ERROR;
+    }
+    return UNKNOWN_ERROR;
+}
+
+/**
+ * Return the equivalent Android status_t from a binder status.
+ *
+ * Used to handle errors from a AIDL method declaration
+ *
+ * [oneway] void method(type0 param0, ...)
+ *
+ * or the following (where return_type is not a status_t)
+ *
+ * return_type method(type0 param0, ...)
+ */
+static inline status_t statusTFromBinderStatus(const ::android::binder::Status &status) {
+    return status.isOk() ? OK // check OK,
+        : status.serviceSpecificErrorCode() // service-side error, not standard Java exception
+                                            // (fromServiceSpecificError)
+        ?: status.transactionError() // a native binder transaction error (fromStatusT)
+        ?: statusTFromExceptionCode(status.exceptionCode()); // a service-side error with a
+                                                    // standard Java exception (fromExceptionCode)
+}
+
+/**
+ * Return a binder::Status from native service status.
+ *
+ * This is used for methods not returning an explicit status_t,
+ * where Java callers expect an exception, not an integer return value.
+ */
+static inline ::android::binder::Status binderStatusFromStatusT(
+        status_t status, const char *optionalMessage = nullptr) {
+    const char *const emptyIfNull = optionalMessage == nullptr ? "" : optionalMessage;
+    // From binder::Status instructions:
+    //  Prefer a generic exception code when possible, then a service specific
+    //  code, and finally a status_t for low level failures or legacy support.
+    //  Exception codes and service specific errors map to nicer exceptions for
+    //  Java clients.
+
+    using namespace ::android::binder;
+    switch (status) {
+        case OK:
+            return Status::ok();
+        case PERMISSION_DENIED: // throw SecurityException on Java side
+            return Status::fromExceptionCode(Status::EX_SECURITY, emptyIfNull);
+        case BAD_VALUE: // throw IllegalArgumentException on Java side
+            return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, emptyIfNull);
+        case INVALID_OPERATION: // throw IllegalStateException on Java side
+            return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, emptyIfNull);
+    }
+
+    // A service specific error will not show on status.transactionError() so
+    // be sure to use statusTFromBinderStatus() for reliable error handling.
+
+    // throw a ServiceSpecificException.
+    return Status::fromServiceSpecificError(status, emptyIfNull);
+}
+
+} // namespace android::gui::aidl_utils
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index f5898d2..827a6cc 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -69,9 +69,7 @@
     bool mPreviouslyConnected GUARDED_BY(mMutex);
 };
 
-class BLASTBufferQueue
-    : public ConsumerBase::FrameAvailableListener, public BufferItemConsumer::BufferFreedListener
-{
+class BLASTBufferQueue : public ConsumerBase::FrameAvailableListener {
 public:
     BLASTBufferQueue(const std::string& name, bool updateDestinationFrame = true);
     BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface, int width,
@@ -83,7 +81,6 @@
     sp<Surface> getSurface(bool includeSurfaceControlHandle);
     bool isSameSurfaceControl(const sp<SurfaceControl>& surfaceControl) const;
 
-    void onBufferFreed(const wp<GraphicBuffer>&/* graphicBuffer*/) override { /* TODO */ }
     void onFrameReplaced(const BufferItem& item) override;
     void onFrameAvailable(const BufferItem& item) override;
     void onFrameDequeued(const uint64_t) override;
@@ -114,7 +111,6 @@
 
     uint32_t getLastTransformHint() const;
     uint64_t getLastAcquiredFrameNum();
-    void abandon();
 
     /**
      * Set a callback to be invoked when we are hung. The boolean parameter
@@ -245,7 +241,7 @@
 
     // Queues up transactions using this token in SurfaceFlinger. This prevents queued up
     // transactions from other parts of the client from blocking this transaction.
-    const sp<IBinder> mApplyToken GUARDED_BY(mMutex) = new BBinder();
+    const sp<IBinder> mApplyToken GUARDED_BY(mMutex) = sp<BBinder>::make();
 
     // Guards access to mDequeueTimestamps since we cannot hold to mMutex in onFrameDequeued or
     // we will deadlock.
diff --git a/libs/gui/include/gui/CompositorTiming.h b/libs/gui/include/gui/CompositorTiming.h
new file mode 100644
index 0000000..cb8ca7a
--- /dev/null
+++ b/libs/gui/include/gui/CompositorTiming.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utils/Timers.h>
+
+namespace android::gui {
+
+// Expected timing of the next composited frame, based on the timing of the latest frames.
+struct CompositorTiming {
+    static constexpr nsecs_t kDefaultVsyncPeriod = 16'666'667;
+
+    CompositorTiming() = default;
+    CompositorTiming(nsecs_t vsyncDeadline, nsecs_t vsyncPeriod, nsecs_t vsyncPhase,
+                     nsecs_t presentLatency);
+
+    // Time point when compositing is expected to start.
+    nsecs_t deadline = 0;
+
+    // Duration between consecutive frames. In other words, the VSYNC period.
+    nsecs_t interval = kDefaultVsyncPeriod;
+
+    // Duration between composite start and present. For missed frames, the extra latency is rounded
+    // to a multiple of the VSYNC period, such that the remainder (presentLatency % interval) always
+    // evaluates to the VSYNC phase offset.
+    nsecs_t presentLatency = kDefaultVsyncPeriod;
+};
+
+} // namespace android::gui
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index a342539..bf3a07b 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -23,10 +23,10 @@
 
 class DisplayEventDispatcher : public LooperCallback {
 public:
-    explicit DisplayEventDispatcher(
-            const sp<Looper>& looper,
-            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+    explicit DisplayEventDispatcher(const sp<Looper>& looper,
+                                    gui::ISurfaceComposer::VsyncSource vsyncSource =
+                                            gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+                                    EventRegistrationFlags eventRegistration = {});
 
     status_t initialize();
     void dispose();
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index cf7a4e5..0f4907f 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -20,20 +20,26 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <ftl/flags.h>
+
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
+#include <android/gui/ISurfaceComposer.h>
 #include <binder/IInterface.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/VsyncEventData.h>
 
+#include <ui/DisplayId.h>
+
 // ----------------------------------------------------------------------------
 
 namespace android {
 
 // ----------------------------------------------------------------------------
 
+using EventRegistrationFlags = ftl::Flags<gui::ISurfaceComposer::EventRegistration>;
+
 using gui::IDisplayEventConnection;
 using gui::ParcelableVsyncEventData;
 using gui::VsyncEventData;
@@ -111,9 +117,9 @@
      * To receive ModeChanged and/or FrameRateOverrides events specify this in
      * the constructor. Other events start being delivered immediately.
      */
-    explicit DisplayEventReceiver(
-            ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+    explicit DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource =
+                                          gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+                                  EventRegistrationFlags eventRegistration = {});
 
     /*
      * ~DisplayEventReceiver severs the connection with SurfaceFlinger, new events
diff --git a/libs/gui/include/gui/FrameTimestamps.h b/libs/gui/include/gui/FrameTimestamps.h
index dd3de58..c08a9b1 100644
--- a/libs/gui/include/gui/FrameTimestamps.h
+++ b/libs/gui/include/gui/FrameTimestamps.h
@@ -17,6 +17,9 @@
 #ifndef ANDROID_GUI_FRAMETIMESTAMPS_H
 #define ANDROID_GUI_FRAMETIMESTAMPS_H
 
+#include <android/gui/FrameEvent.h>
+
+#include <gui/CompositorTiming.h>
 #include <ui/FenceTime.h>
 #include <utils/Flattenable.h>
 #include <utils/StrongPointer.h>
@@ -31,22 +34,8 @@
 struct FrameEvents;
 class FrameEventHistoryDelta;
 
-
-// Identifiers for all the events that may be recorded or reported.
-enum class FrameEvent {
-    POSTED,
-    REQUESTED_PRESENT,
-    LATCH,
-    ACQUIRE,
-    FIRST_REFRESH_START,
-    LAST_REFRESH_START,
-    GPU_COMPOSITION_DONE,
-    DISPLAY_PRESENT,
-    DEQUEUE_READY,
-    RELEASE,
-    EVENT_COUNT, // Not an actual event.
-};
-
+using gui::CompositorTiming;
+using gui::FrameEvent;
 
 // A collection of timestamps corresponding to a single frame.
 struct FrameEvents {
@@ -96,12 +85,6 @@
     std::shared_ptr<FenceTime> releaseFence{FenceTime::NO_FENCE};
 };
 
-struct CompositorTiming {
-    nsecs_t deadline{0};
-    nsecs_t interval{16666667};
-    nsecs_t presentLatency{16666667};
-};
-
 // A short history of frames that are synchronized between the consumer and
 // producer via deltas.
 class FrameEventHistory {
diff --git a/libs/gui/include/gui/GLConsumer.h b/libs/gui/include/gui/GLConsumer.h
index 2f538ff..ba268ab 100644
--- a/libs/gui/include/gui/GLConsumer.h
+++ b/libs/gui/include/gui/GLConsumer.h
@@ -138,6 +138,10 @@
             const sp<GraphicBuffer>& buf, const Rect& cropRect,
             uint32_t transform, bool filtering);
 
+    static void computeTransformMatrix(float outTransform[16], float bufferWidth,
+                                       float bufferHeight, PixelFormat pixelFormat,
+                                       const Rect& cropRect, uint32_t transform, bool filtering);
+
     // Scale the crop down horizontally or vertically such that it has the
     // same aspect ratio as the buffer does.
     static Rect scaleDownCrop(const Rect& crop, uint32_t bufferWidth,
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index a610e94..d46c2e7 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <android/gui/DisplayBrightness.h>
+#include <android/gui/FrameTimelineInfo.h>
 #include <android/gui/IDisplayEventConnection.h>
 #include <android/gui/IFpsListener.h>
 #include <android/gui/IHdrLayerInfoListener.h>
@@ -27,8 +28,6 @@
 #include <android/gui/IWindowInfosListener.h>
 #include <binder/IBinder.h>
 #include <binder/IInterface.h>
-#include <ftl/flags.h>
-#include <gui/FrameTimelineInfo.h>
 #include <gui/ITransactionCompletedListener.h>
 #include <gui/SpHash.h>
 #include <math/vec4.h>
@@ -61,13 +60,10 @@
 struct DisplayStatInfo;
 struct DisplayState;
 struct InputWindowCommands;
-class LayerDebugInfo;
 class HdrCapabilities;
-class IGraphicBufferProducer;
-class ISurfaceComposerClient;
 class Rect;
-enum class FrameEvent;
 
+using gui::FrameTimelineInfo;
 using gui::IDisplayEventConnection;
 using gui::IRegionSamplingListener;
 using gui::IScreenCaptureListener;
@@ -77,6 +73,7 @@
 
 struct DisplayCaptureArgs;
 struct LayerCaptureArgs;
+class LayerDebugInfo;
 
 } // namespace gui
 
@@ -85,7 +82,6 @@
 struct DisplayMode;
 struct DisplayState;
 struct DynamicDisplayInfo;
-struct StaticDisplayInfo;
 
 } // namespace ui
 
@@ -97,11 +93,8 @@
 public:
     DECLARE_META_INTERFACE(SurfaceComposer)
 
-    static constexpr size_t MAX_LAYERS = 4096;
-
     // flags for setTransactionState()
     enum {
-        eSynchronous = 0x01,
         eAnimation = 0x02,
 
         // Explicit indication that this transaction and others to follow will likely result in a
@@ -116,28 +109,6 @@
         eOneWay = 0x20
     };
 
-    enum VsyncSource {
-        eVsyncSourceApp = 0,
-        eVsyncSourceSurfaceFlinger = 1
-    };
-
-    enum class EventRegistration {
-        modeChanged = 1 << 0,
-        frameRateOverride = 1 << 1,
-    };
-
-    using EventRegistrationFlags = ftl::Flags<EventRegistration>;
-
-    /*
-     * Create a connection with SurfaceFlinger.
-     */
-    virtual sp<ISurfaceComposerClient> createConnection() = 0;
-
-    /* return an IDisplayEventConnection */
-    virtual sp<IDisplayEventConnection> createDisplayEventConnection(
-            VsyncSource vsyncSource = eVsyncSourceApp,
-            EventRegistrationFlags eventRegistration = {}) = 0;
-
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
     virtual status_t setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& state,
@@ -145,293 +116,6 @@
             const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
             bool isAutoTimestamp, const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
             const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId) = 0;
-
-    /* signal that we're done booting.
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual void bootFinished() = 0;
-
-    /* verify that an IGraphicBufferProducer was created by SurfaceFlinger.
-     */
-    virtual bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& surface) const = 0;
-
-    /* Returns the frame timestamps supported by SurfaceFlinger.
-     */
-    virtual status_t getSupportedFrameTimestamps(
-            std::vector<FrameEvent>* outSupported) const = 0;
-
-    /**
-     * Gets immutable information about given physical display.
-     */
-    virtual status_t getStaticDisplayInfo(const sp<IBinder>& display, ui::StaticDisplayInfo*) = 0;
-
-    /**
-     * Gets dynamic information about given physical display.
-     */
-    virtual status_t getDynamicDisplayInfo(const sp<IBinder>& display, ui::DynamicDisplayInfo*) = 0;
-
-    virtual status_t getDisplayNativePrimaries(const sp<IBinder>& display,
-            ui::DisplayPrimaries& primaries) = 0;
-    virtual status_t setActiveColorMode(const sp<IBinder>& display,
-            ui::ColorMode colorMode) = 0;
-
-    /**
-     * Sets the user-preferred display mode that a device should boot in.
-     */
-    virtual status_t setBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId) = 0;
-
-    /* Clears the frame statistics for animations.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t clearAnimationFrameStats() = 0;
-
-    /* Gets the frame statistics for animations.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getAnimationFrameStats(FrameStats* outStats) const = 0;
-
-    /* Overrides the supported HDR modes for the given display device.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) = 0;
-
-    /* Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
-     *
-     * Requires the calling uid be from system server.
-     */
-    virtual status_t onPullAtom(const int32_t atomId, std::string* outData, bool* success) = 0;
-
-    virtual status_t enableVSyncInjections(bool enable) = 0;
-
-    virtual status_t injectVSync(nsecs_t when) = 0;
-
-    /* Gets the list of active layers in Z order for debugging purposes
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) = 0;
-
-    virtual status_t getColorManagement(bool* outGetColorManagement) const = 0;
-
-    /* Gets the composition preference of the default data space and default pixel format,
-     * as well as the wide color gamut data space and wide color gamut pixel format.
-     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
-     * has no wide color gamut support.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                              ui::PixelFormat* defaultPixelFormat,
-                                              ui::Dataspace* wideColorGamutDataspace,
-                                              ui::PixelFormat* wideColorGamutPixelFormat) const = 0;
-    /*
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                           ui::PixelFormat* outFormat,
-                                                           ui::Dataspace* outDataspace,
-                                                           uint8_t* outComponentMask) const = 0;
-
-    /* Turns on the color sampling engine on the display.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                                      uint8_t componentMask,
-                                                      uint64_t maxFrames) = 0;
-
-    /* Returns statistics on the color profile of the last frame displayed for a given display
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
-                                               uint64_t timestamp,
-                                               DisplayedFrameStats* outStats) const = 0;
-
-    /*
-     * Gets whether SurfaceFlinger can support protected content in GPU composition.
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getProtectedContentSupport(bool* outSupported) const = 0;
-
-    /* Registers a listener to stream median luma updates from SurfaceFlinger.
-     *
-     * The sampling area is bounded by both samplingArea and the given stopLayerHandle
-     * (i.e., only layers behind the stop layer will be captured and sampled).
-     *
-     * Multiple listeners may be provided so long as they have independent listeners.
-     * If multiple listeners are provided, the effective sampling region for each listener will
-     * be bounded by whichever stop layer has a lower Z value.
-     *
-     * Requires the same permissions as captureLayers and captureScreen.
-     */
-    virtual status_t addRegionSamplingListener(const Rect& samplingArea,
-                                               const sp<IBinder>& stopLayerHandle,
-                                               const sp<IRegionSamplingListener>& listener) = 0;
-
-    /*
-     * Removes a listener that was streaming median luma updates from SurfaceFlinger.
-     */
-    virtual status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) = 0;
-
-    /* Registers a listener that streams fps updates from SurfaceFlinger.
-     *
-     * The listener will stream fps updates for the layer tree rooted at the layer denoted by the
-     * task ID, i.e., the layer must have the task ID as part of its layer metadata with key
-     * METADATA_TASK_ID. If there is no such layer, then no fps is expected to be reported.
-     *
-     * Multiple listeners may be supported.
-     *
-     * Requires the READ_FRAME_BUFFER permission.
-     */
-    virtual status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) = 0;
-    /*
-     * Removes a listener that was streaming fps updates from SurfaceFlinger.
-     */
-    virtual status_t removeFpsListener(const sp<gui::IFpsListener>& listener) = 0;
-
-    /* Registers a listener to receive tunnel mode enabled updates from SurfaceFlinger.
-     *
-     * Requires ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) = 0;
-
-    /*
-     * Removes a listener that was receiving tunnel mode enabled updates from SurfaceFlinger.
-     *
-     * Requires ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) = 0;
-
-    /* Sets the refresh rate boundaries for the display.
-     *
-     * The primary refresh rate range represents display manager's general guidance on the display
-     * modes we'll consider when switching refresh rates. Unless we get an explicit signal from an
-     * app, we should stay within this range.
-     *
-     * The app request refresh rate range allows us to consider more display modes when switching
-     * refresh rates. Although we should generally stay within the primary range, specific
-     * considerations, such as layer frame rate settings specified via the setFrameRate() api, may
-     * cause us to go outside the primary range. We never go outside the app request range. The app
-     * request range will be greater than or equal to the primary refresh rate range, never smaller.
-     *
-     * defaultMode is used to narrow the list of display modes SurfaceFlinger will consider
-     * switching between. Only modes with a mode group and resolution matching defaultMode
-     * will be considered for switching. The defaultMode corresponds to an ID of mode in the list
-     * of supported modes returned from getDynamicDisplayInfo().
-     */
-    virtual status_t setDesiredDisplayModeSpecs(
-            const sp<IBinder>& displayToken, ui::DisplayModeId defaultMode,
-            bool allowGroupSwitching, float primaryRefreshRateMin, float primaryRefreshRateMax,
-            float appRequestRefreshRateMin, float appRequestRefreshRateMax) = 0;
-
-    virtual status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
-                                                ui::DisplayModeId* outDefaultMode,
-                                                bool* outAllowGroupSwitching,
-                                                float* outPrimaryRefreshRateMin,
-                                                float* outPrimaryRefreshRateMax,
-                                                float* outAppRequestRefreshRateMin,
-                                                float* outAppRequestRefreshRateMax) = 0;
-
-    /*
-     * Sets the global configuration for all the shadows drawn by SurfaceFlinger. Shadow follows
-     * material design guidelines.
-     *
-     * ambientColor
-     *      Color to the ambient shadow. The alpha is premultiplied.
-     *
-     * spotColor
-     *      Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
-     *      depends on the light position.
-     *
-     * lightPosY/lightPosZ
-     *      Position of the light used to cast the spot shadow. The X value is always the display
-     *      width / 2.
-     *
-     * lightRadius
-     *      Radius of the light casting the shadow.
-     */
-    virtual status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                             float lightPosY, float lightPosZ,
-                                             float lightRadius) = 0;
-
-    /*
-     * Gets whether a display supports DISPLAY_DECORATION layers.
-     *
-     * displayToken
-     *      The token of the display.
-     * outSupport
-     *      An output parameter for whether/how the display supports
-     *      DISPLAY_DECORATION layers.
-     *
-     * Returns NO_ERROR upon success. Otherwise,
-     *      NAME_NOT_FOUND if the display is invalid, or
-     *      BAD_VALUE      if the output parameter is invalid.
-     */
-    virtual status_t getDisplayDecorationSupport(
-            const sp<IBinder>& displayToken,
-            std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
-                    outSupport) const = 0;
-
-    /*
-     * Sets the intended frame rate for a surface. See ANativeWindow_setFrameRate() for more info.
-     */
-    virtual status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                                  int8_t compatibility, int8_t changeFrameRateStrategy) = 0;
-
-    /*
-     * Set the override frame rate for a specified uid by GameManagerService.
-     * Passing the frame rate and uid to SurfaceFlinger to update the override mapping
-     * in the scheduler.
-     */
-    virtual status_t setOverrideFrameRate(uid_t uid, float frameRate) = 0;
-
-    /*
-     * Sets the frame timeline vsync info received from choreographer that corresponds to next
-     * buffer submitted on that surface.
-     */
-    virtual status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                          const FrameTimelineInfo& frameTimelineInfo) = 0;
-
-    /*
-     * Adds a TransactionTraceListener to listen for transaction tracing state updates.
-     */
-    virtual status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) = 0;
-
-    /**
-     * Gets priority of the RenderEngine in SurfaceFlinger.
-     */
-    virtual int getGPUContextPriority() = 0;
-
-    /**
-     * Gets the number of buffers SurfaceFlinger would need acquire. This number
-     * would be propagated to the client via MIN_UNDEQUEUED_BUFFERS so that the
-     * client could allocate enough buffers to match SF expectations of the
-     * pipeline depth. SurfaceFlinger will make sure that it will give the app at
-     * least the time configured as the 'appDuration' before trying to latch
-     * the buffer.
-     *
-     * The total buffers needed for a given configuration is basically the
-     * numbers of vsyncs a single buffer is used across the stack. For the default
-     * configuration a buffer is held ~1 vsync by the app, ~1 vsync by SurfaceFlinger
-     * and 1 vsync by the display. The extra buffers are calculated as the
-     * number of additional buffers on top of the 2 buffers already present
-     * in MIN_UNDEQUEUED_BUFFERS.
-     */
-    virtual status_t getMaxAcquiredBufferCount(int* buffers) const = 0;
-
-    virtual status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const = 0;
-    virtual status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const = 0;
 };
 
 // ----------------------------------------------------------------------------
@@ -442,77 +126,77 @@
         // Note: BOOT_FINISHED must remain this value, it is called from
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
-        CREATE_CONNECTION,
-        GET_STATIC_DISPLAY_INFO,
-        CREATE_DISPLAY_EVENT_CONNECTION,
-        CREATE_DISPLAY,             // Deprecated. Autogenerated by .aidl now.
-        DESTROY_DISPLAY,            // Deprecated. Autogenerated by .aidl now.
-        GET_PHYSICAL_DISPLAY_TOKEN, // Deprecated. Autogenerated by .aidl now.
+        CREATE_CONNECTION,               // Deprecated. Autogenerated by .aidl now.
+        GET_STATIC_DISPLAY_INFO,         // Deprecated. Autogenerated by .aidl now.
+        CREATE_DISPLAY_EVENT_CONNECTION, // Deprecated. Autogenerated by .aidl now.
+        CREATE_DISPLAY,                  // Deprecated. Autogenerated by .aidl now.
+        DESTROY_DISPLAY,                 // Deprecated. Autogenerated by .aidl now.
+        GET_PHYSICAL_DISPLAY_TOKEN,      // Deprecated. Autogenerated by .aidl now.
         SET_TRANSACTION_STATE,
-        AUTHENTICATE_SURFACE,
-        GET_SUPPORTED_FRAME_TIMESTAMPS,
-        GET_DISPLAY_MODES,       // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_ACTIVE_DISPLAY_MODE, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        AUTHENTICATE_SURFACE,           // Deprecated. Autogenerated by .aidl now.
+        GET_SUPPORTED_FRAME_TIMESTAMPS, // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_MODES,              // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_ACTIVE_DISPLAY_MODE,        // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         GET_DISPLAY_STATE,
-        CAPTURE_DISPLAY, // Deprecated. Autogenerated by .aidl now.
-        CAPTURE_LAYERS,  // Deprecated. Autogenerated by .aidl now.
-        CLEAR_ANIMATION_FRAME_STATS,
-        GET_ANIMATION_FRAME_STATS,
-        SET_POWER_MODE, // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_DISPLAY,             // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_LAYERS,              // Deprecated. Autogenerated by .aidl now.
+        CLEAR_ANIMATION_FRAME_STATS, // Deprecated. Autogenerated by .aidl now.
+        GET_ANIMATION_FRAME_STATS,   // Deprecated. Autogenerated by .aidl now.
+        SET_POWER_MODE,              // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAY_STATS,
-        GET_HDR_CAPABILITIES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_DISPLAY_COLOR_MODES, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_ACTIVE_COLOR_MODE,   // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        SET_ACTIVE_COLOR_MODE,
-        ENABLE_VSYNC_INJECTIONS,
-        INJECT_VSYNC,
-        GET_LAYER_DEBUG_INFO,
-        GET_COMPOSITION_PREFERENCE,
-        GET_COLOR_MANAGEMENT,
-        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,
+        GET_HDR_CAPABILITIES,       // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_DISPLAY_COLOR_MODES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_ACTIVE_COLOR_MODE,      // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        SET_ACTIVE_COLOR_MODE,      // Deprecated. Autogenerated by .aidl now.
+        ENABLE_VSYNC_INJECTIONS,    // Deprecated. Autogenerated by .aidl now.
+        INJECT_VSYNC,               // Deprecated. Autogenerated by .aidl now.
+        GET_LAYER_DEBUG_INFO,       // Deprecated. Autogenerated by .aidl now.
+        GET_COMPOSITION_PREFERENCE, // Deprecated. Autogenerated by .aidl now.
+        GET_COLOR_MANAGEMENT,       // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES, // Deprecated. Autogenerated by .aidl now.
+        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,      // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAYED_CONTENT_SAMPLE,
-        GET_PROTECTED_CONTENT_SUPPORT,
-        IS_WIDE_COLOR_DISPLAY, // Deprecated. Autogenerated by .aidl now.
-        GET_DISPLAY_NATIVE_PRIMARIES,
-        GET_PHYSICAL_DISPLAY_IDS, // Deprecated. Autogenerated by .aidl now.
-        ADD_REGION_SAMPLING_LISTENER,
-        REMOVE_REGION_SAMPLING_LISTENER,
-        SET_DESIRED_DISPLAY_MODE_SPECS,
-        GET_DESIRED_DISPLAY_MODE_SPECS,
-        GET_DISPLAY_BRIGHTNESS_SUPPORT, // Deprecated. Autogenerated by .aidl now.
-        SET_DISPLAY_BRIGHTNESS,         // Deprecated. Autogenerated by .aidl now.
-        CAPTURE_DISPLAY_BY_ID,          // Deprecated. Autogenerated by .aidl now.
-        NOTIFY_POWER_BOOST,             // Deprecated. Autogenerated by .aidl now.
+        GET_PROTECTED_CONTENT_SUPPORT,   // Deprecated. Autogenerated by .aidl now.
+        IS_WIDE_COLOR_DISPLAY,           // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_NATIVE_PRIMARIES,    // Deprecated. Autogenerated by .aidl now.
+        GET_PHYSICAL_DISPLAY_IDS,        // Deprecated. Autogenerated by .aidl now.
+        ADD_REGION_SAMPLING_LISTENER,    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_REGION_SAMPLING_LISTENER, // Deprecated. Autogenerated by .aidl now.
+        SET_DESIRED_DISPLAY_MODE_SPECS,  // Deprecated. Autogenerated by .aidl now.
+        GET_DESIRED_DISPLAY_MODE_SPECS,  // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_BRIGHTNESS_SUPPORT,  // Deprecated. Autogenerated by .aidl now.
+        SET_DISPLAY_BRIGHTNESS,          // Deprecated. Autogenerated by .aidl now.
+        CAPTURE_DISPLAY_BY_ID,           // Deprecated. Autogenerated by .aidl now.
+        NOTIFY_POWER_BOOST,              // Deprecated. Autogenerated by .aidl now.
         SET_GLOBAL_SHADOW_SETTINGS,
         GET_AUTO_LOW_LATENCY_MODE_SUPPORT, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         SET_AUTO_LOW_LATENCY_MODE,         // Deprecated. Autogenerated by .aidl now.
         GET_GAME_CONTENT_TYPE_SUPPORT,     // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
         SET_GAME_CONTENT_TYPE,             // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        SET_FRAME_RATE,
+        SET_FRAME_RATE,                    // Deprecated. Autogenerated by .aidl now.
         // Deprecated. Use DisplayManager.setShouldAlwaysRespectAppRequestedMode(true);
         ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN,
-        SET_FRAME_TIMELINE_INFO,
-        ADD_TRANSACTION_TRACE_LISTENER,
+        SET_FRAME_TIMELINE_INFO,        // Deprecated. Autogenerated by .aidl now.
+        ADD_TRANSACTION_TRACE_LISTENER, // Deprecated. Autogenerated by .aidl now.
         GET_GPU_CONTEXT_PRIORITY,
         GET_MAX_ACQUIRED_BUFFER_COUNT,
-        GET_DYNAMIC_DISPLAY_INFO,
-        ADD_FPS_LISTENER,
-        REMOVE_FPS_LISTENER,
-        OVERRIDE_HDR_TYPES,
-        ADD_HDR_LAYER_INFO_LISTENER,    // Deprecated. Autogenerated by .aidl now.
-        REMOVE_HDR_LAYER_INFO_LISTENER, // Deprecated. Autogenerated by .aidl now.
-        ON_PULL_ATOM,
-        ADD_TUNNEL_MODE_ENABLED_LISTENER,
-        REMOVE_TUNNEL_MODE_ENABLED_LISTENER,
-        ADD_WINDOW_INFOS_LISTENER,
-        REMOVE_WINDOW_INFOS_LISTENER,
-        GET_PRIMARY_PHYSICAL_DISPLAY_ID, // Deprecated. Autogenerated by .aidl now.
+        GET_DYNAMIC_DISPLAY_INFO,            // Deprecated. Autogenerated by .aidl now.
+        ADD_FPS_LISTENER,                    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_FPS_LISTENER,                 // Deprecated. Autogenerated by .aidl now.
+        OVERRIDE_HDR_TYPES,                  // Deprecated. Autogenerated by .aidl now.
+        ADD_HDR_LAYER_INFO_LISTENER,         // Deprecated. Autogenerated by .aidl now.
+        REMOVE_HDR_LAYER_INFO_LISTENER,      // Deprecated. Autogenerated by .aidl now.
+        ON_PULL_ATOM,                        // Deprecated. Autogenerated by .aidl now.
+        ADD_TUNNEL_MODE_ENABLED_LISTENER,    // Deprecated. Autogenerated by .aidl now.
+        REMOVE_TUNNEL_MODE_ENABLED_LISTENER, // Deprecated. Autogenerated by .aidl now.
+        ADD_WINDOW_INFOS_LISTENER,           // Deprecated. Autogenerated by .aidl now.
+        REMOVE_WINDOW_INFOS_LISTENER,        // Deprecated. Autogenerated by .aidl now.
+        GET_PRIMARY_PHYSICAL_DISPLAY_ID,     // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAY_DECORATION_SUPPORT,
         GET_BOOT_DISPLAY_MODE_SUPPORT, // Deprecated. Autogenerated by .aidl now.
-        SET_BOOT_DISPLAY_MODE,
-        CLEAR_BOOT_DISPLAY_MODE, // Deprecated. Autogenerated by .aidl now.
-        SET_OVERRIDE_FRAME_RATE,
+        SET_BOOT_DISPLAY_MODE,         // Deprecated. Autogenerated by .aidl now.
+        CLEAR_BOOT_DISPLAY_MODE,       // Deprecated. Autogenerated by .aidl now.
+        SET_OVERRIDE_FRAME_RATE,       // Deprecated. Autogenerated by .aidl now.
         // Always append new enum to the end.
     };
 
diff --git a/libs/gui/include/gui/ISurfaceComposerClient.h b/libs/gui/include/gui/ISurfaceComposerClient.h
deleted file mode 100644
index 9e9e191..0000000
--- a/libs/gui/include/gui/ISurfaceComposerClient.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <binder/IInterface.h>
-#include <binder/SafeInterface.h>
-#include <gui/LayerMetadata.h>
-#include <ui/PixelFormat.h>
-
-#include <unordered_map>
-
-namespace android {
-
-class FrameStats;
-class IGraphicBufferProducer;
-
-class ISurfaceComposerClient : public IInterface {
-public:
-    DECLARE_META_INTERFACE(SurfaceComposerClient)
-
-    // flags for createSurface()
-    enum { // (keep in sync with SurfaceControl.java)
-        eHidden = 0x00000004,
-        eDestroyBackbuffer = 0x00000020,
-        eSkipScreenshot = 0x00000040,
-        eSecure = 0x00000080,
-        eNonPremultiplied = 0x00000100,
-        eOpaque = 0x00000400,
-        eProtectedByApp = 0x00000800,
-        eProtectedByDRM = 0x00001000,
-        eCursorWindow = 0x00002000,
-        eNoColorFill = 0x00004000,
-
-        eFXSurfaceBufferQueue = 0x00000000,
-        eFXSurfaceEffect = 0x00020000,
-        eFXSurfaceBufferState = 0x00040000,
-        eFXSurfaceContainer = 0x00080000,
-        eFXSurfaceMask = 0x000F0000,
-    };
-
-    // TODO(b/172002646):  Clean up the Surface Creation Arguments
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
-                                   uint32_t flags, const sp<IBinder>& parent,
-                                   LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                   uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
-                                             PixelFormat format, uint32_t flags,
-                                             const sp<IGraphicBufferProducer>& parent,
-                                             LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                             uint32_t* outTransformHint) = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const = 0;
-
-    /*
-     * Requires ACCESS_SURFACE_FLINGER permission
-     */
-    virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const = 0;
-
-    virtual status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                                   int32_t* outLayerId) = 0;
-};
-
-class BnSurfaceComposerClient : public SafeBnInterface<ISurfaceComposerClient> {
-public:
-    BnSurfaceComposerClient()
-          : SafeBnInterface<ISurfaceComposerClient>("BnSurfaceComposerClient") {}
-
-    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
-};
-
-} // namespace android
diff --git a/libs/gui/include/gui/JankInfo.h b/libs/gui/include/gui/JankInfo.h
index ce9716f..1dddeba 100644
--- a/libs/gui/include/gui/JankInfo.h
+++ b/libs/gui/include/gui/JankInfo.h
@@ -24,9 +24,9 @@
     None = 0x0,
     // Jank that occurs in the layers below SurfaceFlinger
     DisplayHAL = 0x1,
-    // SF took too long on the CPU
+    // SF took too long on the CPU; deadline missed during HWC
     SurfaceFlingerCpuDeadlineMissed = 0x2,
-    // SF took too long on the GPU
+    // SF took too long on the GPU; deadline missed during GPU composition
     SurfaceFlingerGpuDeadlineMissed = 0x4,
     // Either App or GPU took too long on the frame
     AppDeadlineMissed = 0x8,
diff --git a/libs/gui/include/gui/LayerDebugInfo.h b/libs/gui/include/gui/LayerDebugInfo.h
index af834d7..dbb80e5 100644
--- a/libs/gui/include/gui/LayerDebugInfo.h
+++ b/libs/gui/include/gui/LayerDebugInfo.h
@@ -25,7 +25,7 @@
 #include <string>
 #include <math/vec4.h>
 
-namespace android {
+namespace android::gui {
 
 /* Class for transporting debug info from SurfaceFlinger to authorized
  * recipients.  The class is intended to be a data container. There are
@@ -52,7 +52,7 @@
     uint32_t mZ = 0 ;
     int32_t mWidth = -1;
     int32_t mHeight = -1;
-    Rect mCrop = Rect::INVALID_RECT;
+    android::Rect mCrop = android::Rect::INVALID_RECT;
     half4 mColor = half4(1.0_hf, 1.0_hf, 1.0_hf, 0.0_hf);
     uint32_t mFlags = 0;
     PixelFormat mPixelFormat = PIXEL_FORMAT_NONE;
@@ -71,4 +71,4 @@
 
 std::string to_string(const LayerDebugInfo& info);
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/include/gui/LayerMetadata.h b/libs/gui/include/gui/LayerMetadata.h
index 27f4d37..5af5989 100644
--- a/libs/gui/include/gui/LayerMetadata.h
+++ b/libs/gui/include/gui/LayerMetadata.h
@@ -20,7 +20,7 @@
 
 #include <unordered_map>
 
-namespace android {
+namespace android::gui {
 
 enum {
     METADATA_OWNER_UID = 1,
@@ -69,4 +69,13 @@
     ftl_last = Battery
 };
 
-} // namespace android
+} // namespace android::gui
+
+using android::gui::METADATA_ACCESSIBILITY_ID;
+using android::gui::METADATA_DEQUEUE_TIME;
+using android::gui::METADATA_GAME_MODE;
+using android::gui::METADATA_MOUSE_CURSOR;
+using android::gui::METADATA_OWNER_PID;
+using android::gui::METADATA_OWNER_UID;
+using android::gui::METADATA_TASK_ID;
+using android::gui::METADATA_WINDOW_TYPE;
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 0a9b75a..c8927ad 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -21,6 +21,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <android/gui/IWindowInfosReportedListener.h>
 #include <android/native_window.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ITransactionCompletedListener.h>
@@ -51,7 +52,9 @@
 namespace android {
 
 class Parcel;
-class ISurfaceComposerClient;
+
+using gui::ISurfaceComposerClient;
+using gui::LayerMetadata;
 
 struct client_cache_t {
     wp<IBinder> token = nullptr;
@@ -130,7 +133,7 @@
         eLayerOpaque = 0x02,         // SURFACE_OPAQUE
         eLayerSkipScreenshot = 0x40, // SKIP_SCREENSHOT
         eLayerSecure = 0x80,         // SECURE
-        // Queue up BufferStateLayer buffers instead of dropping the oldest buffer when this flag is
+        // Queue up layer buffers instead of dropping the oldest buffer when this flag is
         // set. This blocks the client until all the buffers have been presented. If the buffers
         // have presentation timestamps, then we may drop buffers.
         eEnableBackpressure = 0x100,       // ENABLE_BACKPRESSURE
@@ -145,7 +148,7 @@
     enum {
         ePositionChanged = 0x00000001,
         eLayerChanged = 0x00000002,
-        eSizeChanged = 0x00000004,
+        // unused = 0x00000004,
         eAlphaChanged = 0x00000008,
         eMatrixChanged = 0x00000010,
         eTransparentRegionChanged = 0x00000020,
@@ -153,7 +156,7 @@
         eLayerStackChanged = 0x00000080,
         eDimmingEnabledChanged = 0x00000400,
         eShadowRadiusChanged = 0x00000800,
-        /* unused 0x00001000, */
+        eRenderBorderChanged = 0x00001000,
         eBufferCropChanged = 0x00002000,
         eRelativeLayerChanged = 0x00004000,
         eReparent = 0x00008000,
@@ -163,7 +166,7 @@
         eTransformToDisplayInverseChanged = 0x00080000,
         eCropChanged = 0x00100000,
         eBufferChanged = 0x00200000,
-        /* unused 0x00400000, */
+        eDefaultFrameRateCompatibilityChanged = 0x00400000,
         eDataspaceChanged = 0x00800000,
         eHdrMetadataChanged = 0x01000000,
         eSurfaceDamageRegionChanged = 0x02000000,
@@ -214,8 +217,6 @@
     float x;
     float y;
     int32_t z;
-    uint32_t w;
-    uint32_t h;
     ui::LayerStack layerStack = ui::DEFAULT_LAYER_STACK;
     float alpha;
     uint32_t flags;
@@ -247,7 +248,7 @@
     mat4 colorTransform;
     std::vector<BlurRegion> blurRegions;
 
-    sp<gui::WindowInfoHandle> windowInfoHandle = new gui::WindowInfoHandle();
+    sp<gui::WindowInfoHandle> windowInfoHandle = sp<gui::WindowInfoHandle>::make();
 
     LayerMetadata metadata;
 
@@ -273,6 +274,9 @@
     int8_t frameRateCompatibility;
     int8_t changeFrameRateStrategy;
 
+    // Default frame rate compatibility used to set the layer refresh rate votetype.
+    int8_t defaultFrameRateCompatibility;
+
     // Set by window manager indicating the layer and all its children are
     // in a different orientation than the display. The hint suggests that
     // the graphic producers should receive a transform hint as if the
@@ -291,6 +295,11 @@
     // should be trusted for input occlusion detection purposes
     bool isTrustedOverlay;
 
+    // Flag to indicate if border needs to be enabled on the layer
+    bool borderEnabled;
+    float borderWidth;
+    half4 borderColor;
+
     // Stretch effect to be applied to this layer
     StretchEffect stretchEffect;
 
@@ -352,7 +361,9 @@
 
 struct InputWindowCommands {
     std::vector<gui::FocusRequest> focusRequests;
-    bool syncInputWindows{false};
+    std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                       SpHash<gui::IWindowInfosReportedListener>>
+            windowInfosReportedListeners;
 
     // Merges the passed in commands and returns true if there were any changes.
     bool merge(const InputWindowCommands& other);
diff --git a/libs/gui/include/gui/ScreenCaptureResults.h b/libs/gui/include/gui/ScreenCaptureResults.h
index 724c11c..6e17791 100644
--- a/libs/gui/include/gui/ScreenCaptureResults.h
+++ b/libs/gui/include/gui/ScreenCaptureResults.h
@@ -19,6 +19,7 @@
 #include <binder/Parcel.h>
 #include <binder/Parcelable.h>
 #include <ui/Fence.h>
+#include <ui/FenceResult.h>
 #include <ui/GraphicBuffer.h>
 
 namespace android::gui {
@@ -31,11 +32,10 @@
     status_t readFromParcel(const android::Parcel* parcel) override;
 
     sp<GraphicBuffer> buffer;
-    sp<Fence> fence = Fence::NO_FENCE;
+    FenceResult fenceResult = Fence::NO_FENCE;
     bool capturedSecureLayers{false};
     bool capturedHdrLayers{false};
     ui::Dataspace capturedDataspace{ui::Dataspace::V0_SRGB};
-    status_t result = OK;
 };
 
 } // namespace android::gui
diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h
index ab9ebaa..634acb6 100644
--- a/libs/gui/include/gui/Surface.h
+++ b/libs/gui/include/gui/Surface.h
@@ -17,8 +17,8 @@
 #ifndef ANDROID_GUI_SURFACE_H
 #define ANDROID_GUI_SURFACE_H
 
+#include <android/gui/FrameTimelineInfo.h>
 #include <gui/BufferQueueDefs.h>
-#include <gui/FrameTimelineInfo.h>
 #include <gui/HdrMetadata.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/IProducerListener.h>
@@ -41,6 +41,8 @@
 
 class ISurfaceComposer;
 
+using gui::FrameTimelineInfo;
+
 /* This is the same as ProducerListener except that onBuffersDiscarded is
  * called with a vector of graphic buffers instead of buffer slots.
  */
@@ -283,6 +285,10 @@
     int dispatchGetLastQueuedBuffer2(va_list args);
     int dispatchSetFrameTimelineInfo(va_list args);
 
+    std::mutex mNameMutex;
+    std::string mName;
+    const char* getDebugName();
+
 protected:
     virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
     virtual int cancelBuffer(ANativeWindowBuffer* buffer, int fenceFd);
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 9033e17..242eceb 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -38,6 +38,9 @@
 #include <ui/GraphicTypes.h>
 #include <ui/PixelFormat.h>
 #include <ui/Rotation.h>
+#include <ui/StaticDisplayInfo.h>
+
+#include <android/gui/ISurfaceComposerClient.h>
 
 #include <gui/CpuConsumer.h>
 #include <gui/ISurfaceComposer.h>
@@ -52,14 +55,15 @@
 namespace android {
 
 class HdrCapabilities;
-class ISurfaceComposerClient;
 class IGraphicBufferProducer;
 class ITunnelModeEnabledListener;
 class Region;
 
 using gui::DisplayCaptureArgs;
 using gui::IRegionSamplingListener;
+using gui::ISurfaceComposerClient;
 using gui::LayerCaptureArgs;
+using gui::LayerMetadata;
 
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t latchTime,
@@ -218,7 +222,7 @@
     /**
      * Gets the context priority of surface flinger's render engine.
      */
-    static int getGPUContextPriority();
+    static int getGpuContextPriority();
 
     /**
      * Uncaches a buffer in ISurfaceComposer. It must be uncached via a transaction so that it is
@@ -314,7 +318,7 @@
                                      uint32_t w,          // width in pixel
                                      uint32_t h,          // height in pixel
                                      PixelFormat format,  // pixel-format desired
-                                     uint32_t flags = 0,  // usage flags
+                                     int32_t flags = 0,   // usage flags
                                      const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                      LayerMetadata metadata = LayerMetadata(),  // metadata
                                      uint32_t* outTransformHint = nullptr);
@@ -324,21 +328,11 @@
                                   uint32_t h,          // height in pixel
                                   PixelFormat format,  // pixel-format desired
                                   sp<SurfaceControl>* outSurface,
-                                  uint32_t flags = 0,                        // usage flags
+                                  int32_t flags = 0,                         // usage flags
                                   const sp<IBinder>& parentHandle = nullptr, // parentHandle
                                   LayerMetadata metadata = LayerMetadata(),  // metadata
                                   uint32_t* outTransformHint = nullptr);
 
-    //! Create a surface
-    sp<SurfaceControl> createWithSurfaceParent(const String8& name,       // name of the surface
-                                               uint32_t w,                // width in pixel
-                                               uint32_t h,                // height in pixel
-                                               PixelFormat format,        // pixel-format desired
-                                               uint32_t flags = 0,        // usage flags
-                                               Surface* parent = nullptr, // parent
-                                               LayerMetadata metadata = LayerMetadata(), // metadata
-                                               uint32_t* outTransformHint = nullptr);
-
     // Creates a mirrored hierarchy for the mirrorFromSurface. This returns a SurfaceControl
     // which is a parent of the root of the mirrored hierarchy.
     //
@@ -350,6 +344,8 @@
     //      B               B'
     sp<SurfaceControl> mirrorSurface(SurfaceControl* mirrorFromSurface);
 
+    sp<SurfaceControl> mirrorDisplay(DisplayId displayId);
+
     //! Create a virtual display
     static sp<IBinder> createDisplay(const String8& displayName, bool secure);
 
@@ -358,7 +354,6 @@
 
     //! Get stable IDs for connected physical displays
     static std::vector<PhysicalDisplayId> getPhysicalDisplayIds();
-    static status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*);
     static std::optional<PhysicalDisplayId> getInternalDisplayId();
 
     //! Get token for a physical display given its stable ID
@@ -398,7 +393,10 @@
 
     class Transaction : public Parcelable {
     private:
+        static sp<IBinder> sApplyToken;
         void releaseBufferIfOverwriting(const layer_state_t& state);
+        static void mergeFrameTimelineInfo(FrameTimelineInfo& t, const FrameTimelineInfo& other);
+        static void clearFrameTimelineInfo(FrameTimelineInfo& t);
 
     protected:
         std::unordered_map<sp<IBinder>, ComposerState, IBinderHash> mComposerStates;
@@ -408,14 +406,15 @@
 
         uint64_t mId;
 
-        uint32_t mForceSynchronous = 0;
         uint32_t mTransactionNestCount = 0;
         bool mAnimation = false;
         bool mEarlyWakeupStart = false;
         bool mEarlyWakeupEnd = false;
 
-        // Indicates that the Transaction contains a buffer that should be cached
-        bool mContainsBuffer = false;
+        // Indicates that the Transaction may contain buffers that should be cached. The reason this
+        // is only a guess is that buffers can be removed before cache is called. This is only a
+        // hint that at some point a buffer was added to this transaction before apply was called.
+        bool mMayContainBuffer = false;
 
         // mDesiredPresentTime is the time in nanoseconds that the client would like the transaction
         // to be presented. When it is not possible to present at exactly that time, it will be
@@ -474,10 +473,9 @@
         Transaction& merge(Transaction&& other);
         Transaction& show(const sp<SurfaceControl>& sc);
         Transaction& hide(const sp<SurfaceControl>& sc);
-        Transaction& setPosition(const sp<SurfaceControl>& sc,
-                float x, float y);
-        Transaction& setSize(const sp<SurfaceControl>& sc,
-                uint32_t w, uint32_t h);
+        Transaction& setPosition(const sp<SurfaceControl>& sc, float x, float y);
+        // b/243180033 remove once functions are not called from vendor code
+        Transaction& setSize(const sp<SurfaceControl>&, uint32_t, uint32_t) { return *this; }
         Transaction& setLayer(const sp<SurfaceControl>& sc,
                 int32_t z);
 
@@ -577,7 +575,9 @@
 
         Transaction& setInputWindowInfo(const sp<SurfaceControl>& sc, const gui::WindowInfo& info);
         Transaction& setFocusedWindow(const gui::FocusRequest& request);
-        Transaction& syncInputWindows();
+
+        Transaction& addWindowInfosReportedListener(
+                sp<gui::IWindowInfosReportedListener> windowInfosReportedListener);
 
         // Set a color transform matrix on the given layer on the built-in display.
         Transaction& setColorTransform(const sp<SurfaceControl>& sc, const mat3& matrix,
@@ -590,6 +590,9 @@
         Transaction& setFrameRate(const sp<SurfaceControl>& sc, float frameRate,
                                   int8_t compatibility, int8_t changeFrameRateStrategy);
 
+        Transaction& setDefaultFrameRateCompatibility(const sp<SurfaceControl>& sc,
+                                                      int8_t compatibility);
+
         // Set by window manager indicating the layer and all its children are
         // in a different orientation than the display. The hint suggests that
         // the graphic producers should receive a transform hint as if the
@@ -636,6 +639,9 @@
                                          const Rect& destinationFrame);
         Transaction& setDropInputMode(const sp<SurfaceControl>& sc, gui::DropInputMode mode);
 
+        Transaction& enableBorder(const sp<SurfaceControl>& sc, bool shouldEnable, float width,
+                                  const half4& color);
+
         status_t setDisplaySurface(const sp<IBinder>& token,
                 const sp<IGraphicBufferProducer>& bufferProducer);
 
@@ -667,6 +673,9 @@
          * TODO (b/213644870): Remove all permissioned things from Transaction
          */
         void sanitize();
+
+        static sp<IBinder> getDefaultApplyToken();
+        static void setDefaultApplyToken(sp<IBinder> applyToken);
     };
 
     status_t clearLayerFrameStats(const sp<IBinder>& token) const;
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index b72cf83..e4a1350 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -24,11 +24,12 @@
 #include <utils/RefBase.h>
 #include <utils/threads.h>
 
+#include <android/gui/ISurfaceComposerClient.h>
+
 #include <ui/FrameStats.h>
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
 
-#include <gui/ISurfaceComposerClient.h>
 #include <math/vec3.h>
 
 namespace android {
@@ -93,8 +94,7 @@
     explicit SurfaceControl(const sp<SurfaceControl>& other);
 
     SurfaceControl(const sp<SurfaceComposerClient>& client, const sp<IBinder>& handle,
-                   const sp<IGraphicBufferProducer>& gbp, int32_t layerId,
-                   uint32_t width = 0, uint32_t height = 0, PixelFormat format = 0,
+                   int32_t layerId, uint32_t width = 0, uint32_t height = 0, PixelFormat format = 0,
                    uint32_t transformHint = 0, uint32_t flags = 0);
 
     sp<SurfaceControl> getParentingLayer();
@@ -115,8 +115,7 @@
     status_t validate() const;
 
     sp<SurfaceComposerClient>   mClient;
-    sp<IBinder>                 mHandle;
-    sp<IGraphicBufferProducer>  mGraphicBufferProducer;
+    sp<IBinder> mHandle;
     mutable Mutex               mLock;
     mutable sp<Surface>         mSurfaceData;
     mutable sp<BLASTBufferQueue> mBbq;
diff --git a/libs/gui/include/gui/SyncScreenCaptureListener.h b/libs/gui/include/gui/SyncScreenCaptureListener.h
index 0784fbc..bcf565a 100644
--- a/libs/gui/include/gui/SyncScreenCaptureListener.h
+++ b/libs/gui/include/gui/SyncScreenCaptureListener.h
@@ -34,7 +34,9 @@
     ScreenCaptureResults waitForResults() {
         std::future<ScreenCaptureResults> resultsFuture = resultsPromise.get_future();
         const auto screenCaptureResults = resultsFuture.get();
-        screenCaptureResults.fence->waitForever("");
+        if (screenCaptureResults.fenceResult.ok()) {
+            screenCaptureResults.fenceResult.value()->waitForever("");
+        }
         return screenCaptureResults;
     }
 
@@ -42,4 +44,4 @@
     std::promise<ScreenCaptureResults> resultsPromise;
 };
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/libs/gui/include/gui/TraceUtils.h b/libs/gui/include/gui/TraceUtils.h
index e5d2684..4c01683 100644
--- a/libs/gui/include/gui/TraceUtils.h
+++ b/libs/gui/include/gui/TraceUtils.h
@@ -21,11 +21,14 @@
 #include <cutils/trace.h>
 #include <utils/Trace.h>
 
-#define ATRACE_FORMAT(fmt, ...)           \
-    TraceUtils::TraceEnder __traceEnder = \
-            (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), TraceUtils::TraceEnder())
+#define ATRACE_FORMAT(fmt, ...)                                                 \
+    TraceUtils::TraceEnder traceEnder =                                         \
+            (CC_UNLIKELY(ATRACE_ENABLED()) &&                                   \
+                     (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), true), \
+             TraceUtils::TraceEnder())
 
-#define ATRACE_FORMAT_BEGIN(fmt, ...) TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__)
+#define ATRACE_FORMAT_INSTANT(fmt, ...) \
+    (CC_UNLIKELY(ATRACE_ENABLED()) && (TraceUtils::instantFormat(fmt, ##__VA_ARGS__), true))
 
 namespace android {
 
@@ -37,8 +40,6 @@
     };
 
     static void atraceFormatBegin(const char* fmt, ...) {
-        if (CC_LIKELY(!ATRACE_ENABLED())) return;
-
         const int BUFFER_SIZE = 256;
         va_list ap;
         char buf[BUFFER_SIZE];
@@ -50,6 +51,17 @@
         ATRACE_BEGIN(buf);
     }
 
-}; // class TraceUtils
+    static void instantFormat(const char* fmt, ...) {
+        const int BUFFER_SIZE = 256;
+        va_list ap;
+        char buf[BUFFER_SIZE];
 
-} /* namespace android */
+        va_start(ap, fmt);
+        vsnprintf(buf, BUFFER_SIZE, fmt, ap);
+        va_end(ap);
+
+        ATRACE_INSTANT(buf);
+    }
+};
+
+} // namespace android
diff --git a/libs/gui/include/gui/VsyncEventData.h b/libs/gui/include/gui/VsyncEventData.h
index 8e99539..dfdae21 100644
--- a/libs/gui/include/gui/VsyncEventData.h
+++ b/libs/gui/include/gui/VsyncEventData.h
@@ -16,7 +16,7 @@
 
 #pragma once
 
-#include <gui/FrameTimelineInfo.h>
+#include <android/gui/FrameTimelineInfo.h>
 
 #include <array>
 
diff --git a/libs/gui/include/gui/WindowInfo.h b/libs/gui/include/gui/WindowInfo.h
index 169f7f0..ac74c8a 100644
--- a/libs/gui/include/gui/WindowInfo.h
+++ b/libs/gui/include/gui/WindowInfo.h
@@ -171,6 +171,8 @@
                 static_cast<uint32_t>(os::InputConfig::SPY),
         INTERCEPTS_STYLUS =
                 static_cast<uint32_t>(os::InputConfig::INTERCEPTS_STYLUS),
+        CLONE =
+                static_cast<uint32_t>(os::InputConfig::CLONE),
         // clang-format on
     };
 
@@ -236,8 +238,6 @@
 
     void setInputConfig(ftl::Flags<InputConfig> config, bool value);
 
-    bool isClone = false;
-
     void addTouchableRegion(const Rect& region);
 
     bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
diff --git a/libs/gui/include/gui/WindowInfosListenerReporter.h b/libs/gui/include/gui/WindowInfosListenerReporter.h
index 3b4aed4..2754442 100644
--- a/libs/gui/include/gui/WindowInfosListenerReporter.h
+++ b/libs/gui/include/gui/WindowInfosListenerReporter.h
@@ -17,15 +17,14 @@
 #pragma once
 
 #include <android/gui/BnWindowInfosListener.h>
+#include <android/gui/ISurfaceComposer.h>
 #include <android/gui/IWindowInfosReportedListener.h>
 #include <binder/IBinder.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/SpHash.h>
 #include <gui/WindowInfosListener.h>
 #include <unordered_set>
 
 namespace android {
-class ISurfaceComposer;
 
 class WindowInfosListenerReporter : public gui::BnWindowInfosListener {
 public:
@@ -33,17 +32,17 @@
     binder::Status onWindowInfosChanged(const std::vector<gui::WindowInfo>&,
                                         const std::vector<gui::DisplayInfo>&,
                                         const sp<gui::IWindowInfosReportedListener>&) override;
-
     status_t addWindowInfosListener(
-            const sp<gui::WindowInfosListener>& windowInfosListener, const sp<ISurfaceComposer>&,
+            const sp<gui::WindowInfosListener>& windowInfosListener,
+            const sp<gui::ISurfaceComposer>&,
             std::pair<std::vector<gui::WindowInfo>, std::vector<gui::DisplayInfo>>* outInitialInfo);
     status_t removeWindowInfosListener(const sp<gui::WindowInfosListener>& windowInfosListener,
-                                       const sp<ISurfaceComposer>& surfaceComposer);
-    void reconnect(const sp<ISurfaceComposer>&);
+                                       const sp<gui::ISurfaceComposer>& surfaceComposer);
+    void reconnect(const sp<gui::ISurfaceComposer>&);
 
 private:
     std::mutex mListenersMutex;
-    std::unordered_set<sp<gui::WindowInfosListener>, SpHash<gui::WindowInfosListener>>
+    std::unordered_set<sp<gui::WindowInfosListener>, gui::SpHash<gui::WindowInfosListener>>
             mWindowInfosListeners GUARDED_BY(mListenersMutex);
 
     std::vector<gui::WindowInfo> mLastWindowInfos GUARDED_BY(mListenersMutex);
diff --git a/libs/gui/include/private/gui/ComposerServiceAIDL.h b/libs/gui/include/private/gui/ComposerServiceAIDL.h
index 9a96976..2963583 100644
--- a/libs/gui/include/private/gui/ComposerServiceAIDL.h
+++ b/libs/gui/include/private/gui/ComposerServiceAIDL.h
@@ -20,6 +20,7 @@
 #include <sys/types.h>
 
 #include <android/gui/ISurfaceComposer.h>
+#include <ui/DisplayId.h>
 
 #include <utils/Singleton.h>
 #include <utils/StrongPointer.h>
diff --git a/libs/gui/tests/Android.bp b/libs/gui/tests/Android.bp
index fc68ad2..7b37b25 100644
--- a/libs/gui/tests/Android.bp
+++ b/libs/gui/tests/Android.bp
@@ -24,6 +24,7 @@
         "BLASTBufferQueue_test.cpp",
         "BufferItemConsumer_test.cpp",
         "BufferQueue_test.cpp",
+        "CompositorTiming_test.cpp",
         "CpuConsumer_test.cpp",
         "EndToEndNativeInputTest.cpp",
         "DisplayInfo_test.cpp",
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index b993289..c4c2fa5 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -19,6 +19,7 @@
 #include <gui/BLASTBufferQueue.h>
 
 #include <android/hardware/graphics/common/1.2/types.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferQueueCore.h>
 #include <gui/BufferQueueProducer.h>
 #include <gui/FrameTimestamps.h>
@@ -305,11 +306,12 @@
 
         const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = gui::aidl_utils::statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     void queueBuffer(sp<IGraphicBufferProducer> igbp, uint8_t r, uint8_t g, uint8_t b,
@@ -1146,6 +1148,7 @@
     ASSERT_EQ(NO_ERROR, captureDisplay(mCaptureArgs, mCaptureResults));
     ASSERT_NO_FATAL_FAILURE(
             checkScreenCapture(r, g, b, {0, 0, (int32_t)mDisplayWidth, (int32_t)mDisplayHeight}));
+    sync.apply();
 }
 
 // This test will currently fail because the old surfacecontrol will steal the last presented buffer
diff --git a/libs/gui/tests/CompositorTiming_test.cpp b/libs/gui/tests/CompositorTiming_test.cpp
new file mode 100644
index 0000000..d8bb21d
--- /dev/null
+++ b/libs/gui/tests/CompositorTiming_test.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <gui/CompositorTiming.h>
+
+namespace android::test {
+namespace {
+
+constexpr nsecs_t kMillisecond = 1'000'000;
+constexpr nsecs_t kVsyncPeriod = 8'333'333;
+constexpr nsecs_t kVsyncPhase = -2'166'667;
+constexpr nsecs_t kIdealLatency = -kVsyncPhase;
+
+} // namespace
+
+TEST(CompositorTimingTest, InvalidVsyncPeriod) {
+    const nsecs_t vsyncDeadline = systemTime();
+    constexpr nsecs_t kInvalidVsyncPeriod = -1;
+
+    const gui::CompositorTiming timing(vsyncDeadline, kInvalidVsyncPeriod, kVsyncPhase,
+                                       kIdealLatency);
+
+    EXPECT_EQ(timing.deadline, 0);
+    EXPECT_EQ(timing.interval, gui::CompositorTiming::kDefaultVsyncPeriod);
+    EXPECT_EQ(timing.presentLatency, gui::CompositorTiming::kDefaultVsyncPeriod);
+}
+
+TEST(CompositorTimingTest, PresentLatencySnapping) {
+    for (nsecs_t presentDelay = 0, compositeTime = systemTime(); presentDelay < 10 * kVsyncPeriod;
+         presentDelay += kMillisecond, compositeTime += kVsyncPeriod) {
+        const nsecs_t presentLatency = kIdealLatency + presentDelay;
+        const nsecs_t vsyncDeadline = compositeTime + presentLatency + kVsyncPeriod;
+
+        const gui::CompositorTiming timing(vsyncDeadline, kVsyncPeriod, kVsyncPhase,
+                                           presentLatency);
+
+        EXPECT_EQ(timing.deadline, compositeTime + presentDelay + kVsyncPeriod);
+        EXPECT_EQ(timing.interval, kVsyncPeriod);
+
+        // The presentDelay should be rounded to a multiple of the VSYNC period, such that the
+        // remainder (presentLatency % interval) always evaluates to the VSYNC phase offset.
+        EXPECT_GE(timing.presentLatency, kIdealLatency);
+        EXPECT_EQ(timing.presentLatency % timing.interval, kIdealLatency);
+    }
+}
+
+} // namespace android::test
diff --git a/libs/gui/tests/RegionSampling_test.cpp b/libs/gui/tests/RegionSampling_test.cpp
index c9106be..b18b544 100644
--- a/libs/gui/tests/RegionSampling_test.cpp
+++ b/libs/gui/tests/RegionSampling_test.cpp
@@ -19,14 +19,16 @@
 
 #include <android/gui/BnRegionSamplingListener.h>
 #include <binder/ProcessState.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/DisplayEventReceiver.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <utils/Looper.h>
 
 using namespace std::chrono_literals;
+using android::gui::aidl_utils::statusTFromBinderStatus;
 
 namespace android::test {
 
@@ -242,24 +244,33 @@
 };
 
 TEST_F(RegionSamplingTest, invalidLayerHandle_doesNotCrash) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     // Passing in composer service as the layer handle should not crash, we'll
     // treat it as a layer that no longer exists and silently allow sampling to
     // occur.
-    status_t status = composer->addRegionSamplingListener(sampleArea,
-                                                          IInterface::asBinder(composer), listener);
-    ASSERT_EQ(NO_ERROR, status);
+    binder::Status status =
+            composer->addRegionSamplingListener(sampleArea, IInterface::asBinder(composer),
+                                                listener);
+    ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     composer->removeRegionSamplingListener(listener);
 }
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLuma) {
     fill_render(rgba_green);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
 
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
@@ -271,9 +282,13 @@
 TEST_F(RegionSamplingTest, DISABLED_CollectsChangingLuma) {
     fill_render(rgba_green);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
 
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
@@ -291,13 +306,21 @@
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromTwoRegions) {
     fill_render(rgba_green);
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> greenListener = new Listener();
-    const Rect greenSampleArea{100, 100, 200, 200};
+    gui::ARect greenSampleArea;
+    greenSampleArea.left = 100;
+    greenSampleArea.top = 100;
+    greenSampleArea.right = 200;
+    greenSampleArea.bottom = 200;
     composer->addRegionSamplingListener(greenSampleArea, mTopLayer->getHandle(), greenListener);
 
     sp<Listener> grayListener = new Listener();
-    const Rect graySampleArea{500, 100, 600, 200};
+    gui::ARect graySampleArea;
+    graySampleArea.left = 500;
+    graySampleArea.top = 100;
+    graySampleArea.right = 600;
+    graySampleArea.bottom = 200;
     composer->addRegionSamplingListener(graySampleArea, mTopLayer->getHandle(), grayListener);
 
     EXPECT_TRUE(grayListener->wait_event(300ms))
@@ -312,29 +335,49 @@
 }
 
 TEST_F(RegionSamplingTest, DISABLED_TestIfInvalidInputParameters) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+
+    gui::ARect invalidRect;
+    invalidRect.left = Rect::INVALID_RECT.left;
+    invalidRect.top = Rect::INVALID_RECT.top;
+    invalidRect.right = Rect::INVALID_RECT.right;
+    invalidRect.bottom = Rect::INVALID_RECT.bottom;
+
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     // Invalid input sampleArea
     EXPECT_EQ(BAD_VALUE,
-              composer->addRegionSamplingListener(Rect::INVALID_RECT, mTopLayer->getHandle(),
-                                                  listener));
+              statusTFromBinderStatus(composer->addRegionSamplingListener(invalidRect,
+                                                                          mTopLayer->getHandle(),
+                                                                          listener)));
     listener->reset();
     // Invalid input binder
-    EXPECT_EQ(NO_ERROR, composer->addRegionSamplingListener(sampleArea, NULL, listener));
+    EXPECT_EQ(NO_ERROR,
+              statusTFromBinderStatus(
+                      composer->addRegionSamplingListener(sampleArea, NULL, listener)));
     // Invalid input listener
     EXPECT_EQ(BAD_VALUE,
-              composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), NULL));
-    EXPECT_EQ(BAD_VALUE, composer->removeRegionSamplingListener(NULL));
+              statusTFromBinderStatus(composer->addRegionSamplingListener(sampleArea,
+                                                                          mTopLayer->getHandle(),
+                                                                          NULL)));
+    EXPECT_EQ(BAD_VALUE, statusTFromBinderStatus(composer->removeRegionSamplingListener(NULL)));
     // remove the listener
     composer->removeRegionSamplingListener(listener);
 }
 
 TEST_F(RegionSamplingTest, DISABLED_TestCallbackAfterRemoveListener) {
     fill_render(rgba_green);
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
-    const Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleArea;
+    sampleArea.left = 100;
+    sampleArea.top = 100;
+    sampleArea.right = 200;
+    sampleArea.bottom = 200;
     composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
     fill_render(rgba_green);
 
@@ -349,13 +392,18 @@
 }
 
 TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromMovingLayer) {
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
     sp<Listener> listener = new Listener();
     Rect sampleArea{100, 100, 200, 200};
+    gui::ARect sampleAreaA;
+    sampleAreaA.left = sampleArea.left;
+    sampleAreaA.top = sampleArea.top;
+    sampleAreaA.right = sampleArea.right;
+    sampleAreaA.bottom = sampleArea.bottom;
 
     // Test: listener in (100, 100). See layer before move, no layer after move.
     fill_render(rgba_blue);
-    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    composer->addRegionSamplingListener(sampleAreaA, mTopLayer->getHandle(), listener);
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
     EXPECT_NEAR(listener->luma(), luma_blue, error_margin);
     listener->reset();
@@ -367,7 +415,11 @@
     // Test: listener offset to (600, 600). No layer before move, see layer after move.
     fill_render(rgba_green);
     sampleArea.offsetTo(600, 600);
-    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    sampleAreaA.left = sampleArea.left;
+    sampleAreaA.top = sampleArea.top;
+    sampleAreaA.right = sampleArea.right;
+    sampleAreaA.bottom = sampleArea.bottom;
+    composer->addRegionSamplingListener(sampleAreaA, mTopLayer->getHandle(), listener);
     EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
     EXPECT_NEAR(listener->luma(), luma_gray, error_margin);
     listener->reset();
diff --git a/libs/gui/tests/SamplingDemo.cpp b/libs/gui/tests/SamplingDemo.cpp
index a083a22..f98437b 100644
--- a/libs/gui/tests/SamplingDemo.cpp
+++ b/libs/gui/tests/SamplingDemo.cpp
@@ -26,7 +26,7 @@
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <gui/SurfaceControl.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <utils/Trace.h>
 
 using namespace std::chrono_literals;
@@ -121,10 +121,22 @@
     const Rect backButtonArea{200, 1606, 248, 1654};
     sp<android::Button> backButton = new android::Button("BackButton", backButtonArea);
 
-    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
-    composer->addRegionSamplingListener(homeButtonArea, homeButton->getStopLayerHandle(),
+    gui::ARect homeButtonAreaA;
+    homeButtonAreaA.left = 490;
+    homeButtonAreaA.top = 1606;
+    homeButtonAreaA.right = 590;
+    homeButtonAreaA.bottom = 1654;
+
+    gui::ARect backButtonAreaA;
+    backButtonAreaA.left = 200;
+    backButtonAreaA.top = 1606;
+    backButtonAreaA.right = 248;
+    backButtonAreaA.bottom = 1654;
+
+    sp<gui::ISurfaceComposer> composer = ComposerServiceAIDL::getComposerService();
+    composer->addRegionSamplingListener(homeButtonAreaA, homeButton->getStopLayerHandle(),
                                         homeButton);
-    composer->addRegionSamplingListener(backButtonArea, backButton->getStopLayerHandle(),
+    composer->addRegionSamplingListener(backButtonAreaA, backButton->getStopLayerHandle(),
                                         backButton);
 
     ProcessState::self()->startThreadPool();
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 065cd7a..b9358e7 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -24,6 +24,7 @@
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <binder/ProcessState.h>
 #include <configstore/Utils.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferItemConsumer.h>
 #include <gui/IProducerListener.h>
 #include <gui/ISurfaceComposer.h>
@@ -212,11 +213,12 @@
 
         const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = gui::aidl_utils::statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     sp<Surface> mSurface;
@@ -690,11 +692,6 @@
         mSupportsPresent = supportsPresent;
     }
 
-    sp<ISurfaceComposerClient> createConnection() override { return nullptr; }
-    sp<IDisplayEventConnection> createDisplayEventConnection(
-            ISurfaceComposer::VsyncSource, ISurfaceComposer::EventRegistrationFlags) override {
-        return nullptr;
-    }
     status_t setTransactionState(const FrameTimelineInfo& /*frameTimelineInfo*/,
                                  const Vector<ComposerState>& /*state*/,
                                  const Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
@@ -708,179 +705,6 @@
         return NO_ERROR;
     }
 
-    void bootFinished() override {}
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& /*surface*/) const override {
-        return false;
-    }
-
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported)
-            const override {
-        *outSupported = {
-                FrameEvent::REQUESTED_PRESENT,
-                FrameEvent::ACQUIRE,
-                FrameEvent::LATCH,
-                FrameEvent::FIRST_REFRESH_START,
-                FrameEvent::LAST_REFRESH_START,
-                FrameEvent::GPU_COMPOSITION_DONE,
-                FrameEvent::DEQUEUE_READY,
-                FrameEvent::RELEASE
-        };
-        if (mSupportsPresent) {
-            outSupported->push_back(
-                        FrameEvent::DISPLAY_PRESENT);
-        }
-        return NO_ERROR;
-    }
-
-    status_t getStaticDisplayInfo(const sp<IBinder>& /*display*/, ui::StaticDisplayInfo*) override {
-        return NO_ERROR;
-    }
-    status_t getDynamicDisplayInfo(const sp<IBinder>& /*display*/,
-                                   ui::DynamicDisplayInfo*) override {
-        return NO_ERROR;
-    }
-    status_t getDisplayNativePrimaries(const sp<IBinder>& /*display*/,
-            ui::DisplayPrimaries& /*primaries*/) override {
-        return NO_ERROR;
-    }
-    status_t setActiveColorMode(const sp<IBinder>& /*display*/, ColorMode /*colorMode*/) override {
-        return NO_ERROR;
-    }
-    status_t setBootDisplayMode(const sp<IBinder>& /*display*/, ui::DisplayModeId /*id*/) override {
-        return NO_ERROR;
-    }
-
-    status_t clearAnimationFrameStats() override { return NO_ERROR; }
-    status_t getAnimationFrameStats(FrameStats* /*outStats*/) const override {
-        return NO_ERROR;
-    }
-    status_t overrideHdrTypes(const sp<IBinder>& /*display*/,
-                              const std::vector<ui::Hdr>& /*hdrTypes*/) override {
-        return NO_ERROR;
-    }
-    status_t onPullAtom(const int32_t /*atomId*/, std::string* /*outData*/,
-                        bool* /*success*/) override {
-        return NO_ERROR;
-    }
-    status_t enableVSyncInjections(bool /*enable*/) override {
-        return NO_ERROR;
-    }
-    status_t injectVSync(nsecs_t /*when*/) override { return NO_ERROR; }
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* /*layers*/) override {
-        return NO_ERROR;
-    }
-    status_t getCompositionPreference(
-            ui::Dataspace* /*outDefaultDataspace*/, ui::PixelFormat* /*outDefaultPixelFormat*/,
-            ui::Dataspace* /*outWideColorGamutDataspace*/,
-            ui::PixelFormat* /*outWideColorGamutPixelFormat*/) const override {
-        return NO_ERROR;
-    }
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& /*display*/,
-                                                   ui::PixelFormat* /*outFormat*/,
-                                                   ui::Dataspace* /*outDataspace*/,
-                                                   uint8_t* /*outComponentMask*/) const override {
-        return NO_ERROR;
-    }
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
-                                              uint8_t /*componentMask*/,
-                                              uint64_t /*maxFrames*/) override {
-        return NO_ERROR;
-    }
-    status_t getDisplayedContentSample(const sp<IBinder>& /*display*/, uint64_t /*maxFrames*/,
-                                       uint64_t /*timestamp*/,
-                                       DisplayedFrameStats* /*outStats*/) const override {
-        return NO_ERROR;
-    }
-
-    status_t getColorManagement(bool* /*outGetColorManagement*/) const override { return NO_ERROR; }
-    status_t getProtectedContentSupport(bool* /*outSupported*/) const override { return NO_ERROR; }
-
-    status_t addRegionSamplingListener(const Rect& /*samplingArea*/,
-                                       const sp<IBinder>& /*stopLayerHandle*/,
-                                       const sp<IRegionSamplingListener>& /*listener*/) override {
-        return NO_ERROR;
-    }
-    status_t removeRegionSamplingListener(
-            const sp<IRegionSamplingListener>& /*listener*/) override {
-        return NO_ERROR;
-    }
-    status_t addFpsListener(int32_t /*taskId*/, const sp<gui::IFpsListener>& /*listener*/) {
-        return NO_ERROR;
-    }
-    status_t removeFpsListener(const sp<gui::IFpsListener>& /*listener*/) { return NO_ERROR; }
-
-    status_t addTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& /*listener*/) {
-        return NO_ERROR;
-    }
-
-    status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) {
-        return NO_ERROR;
-    }
-
-    status_t setDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
-                                        ui::DisplayModeId /*defaultMode*/,
-                                        bool /*allowGroupSwitching*/,
-                                        float /*primaryRefreshRateMin*/,
-                                        float /*primaryRefreshRateMax*/,
-                                        float /*appRequestRefreshRateMin*/,
-                                        float /*appRequestRefreshRateMax*/) {
-        return NO_ERROR;
-    }
-    status_t getDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
-                                        ui::DisplayModeId* /*outDefaultMode*/,
-                                        bool* /*outAllowGroupSwitching*/,
-                                        float* /*outPrimaryRefreshRateMin*/,
-                                        float* /*outPrimaryRefreshRateMax*/,
-                                        float* /*outAppRequestRefreshRateMin*/,
-                                        float* /*outAppRequestRefreshRateMax*/) override {
-        return NO_ERROR;
-    };
-
-    status_t setGlobalShadowSettings(const half4& /*ambientColor*/, const half4& /*spotColor*/,
-                                     float /*lightPosY*/, float /*lightPosZ*/,
-                                     float /*lightRadius*/) override {
-        return NO_ERROR;
-    }
-
-    status_t getDisplayDecorationSupport(
-            const sp<IBinder>& /*displayToken*/,
-            std::optional<DisplayDecorationSupport>* /*outSupport*/) const override {
-        return NO_ERROR;
-    }
-
-    status_t setFrameRate(const sp<IGraphicBufferProducer>& /*surface*/, float /*frameRate*/,
-                          int8_t /*compatibility*/, int8_t /*changeFrameRateStrategy*/) override {
-        return NO_ERROR;
-    }
-
-    status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& /*surface*/,
-                                  const FrameTimelineInfo& /*frameTimelineInfo*/) override {
-        return NO_ERROR;
-    }
-
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& /*listener*/) override {
-        return NO_ERROR;
-    }
-
-    int getGPUContextPriority() override { return 0; };
-
-    status_t getMaxAcquiredBufferCount(int* /*buffers*/) const override { return NO_ERROR; }
-
-    status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) const override {
-        return NO_ERROR;
-    }
-
-    status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) const override {
-        return NO_ERROR;
-    }
-
-    status_t setOverrideFrameRate(uid_t /*uid*/, float /*frameRate*/) override { return NO_ERROR; }
-
 protected:
     IBinder* onAsBinder() override { return nullptr; }
 
@@ -894,6 +718,20 @@
 
     void setSupportsPresent(bool supportsPresent) { mSupportsPresent = supportsPresent; }
 
+    binder::Status bootFinished() override { return binder::Status::ok(); }
+
+    binder::Status createDisplayEventConnection(
+            VsyncSource /*vsyncSource*/, EventRegistration /*eventRegistration*/,
+            sp<gui::IDisplayEventConnection>* outConnection) override {
+        *outConnection = nullptr;
+        return binder::Status::ok();
+    }
+
+    binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override {
+        *outClient = nullptr;
+        return binder::Status::ok();
+    }
+
     binder::Status createDisplay(const std::string& /*displayName*/, bool /*secure*/,
                                  sp<IBinder>* /*outDisplay*/) override {
         return binder::Status::ok();
@@ -907,10 +745,6 @@
         return binder::Status::ok();
     }
 
-    binder::Status getPrimaryPhysicalDisplayId(int64_t* /*outDisplayId*/) override {
-        return binder::Status::ok();
-    }
-
     binder::Status getPhysicalDisplayToken(int64_t /*displayId*/,
                                            sp<IBinder>* /*outDisplay*/) override {
         return binder::Status::ok();
@@ -920,6 +754,21 @@
         return binder::Status::ok();
     }
 
+    binder::Status getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) override {
+        *outSupported = {FrameEvent::REQUESTED_PRESENT,
+                         FrameEvent::ACQUIRE,
+                         FrameEvent::LATCH,
+                         FrameEvent::FIRST_REFRESH_START,
+                         FrameEvent::LAST_REFRESH_START,
+                         FrameEvent::GPU_COMPOSITION_DONE,
+                         FrameEvent::DEQUEUE_READY,
+                         FrameEvent::RELEASE};
+        if (mSupportsPresent) {
+            outSupported->push_back(FrameEvent::DISPLAY_PRESENT);
+        }
+        return binder::Status::ok();
+    }
+
     binder::Status getDisplayStats(const sp<IBinder>& /*display*/,
                                    gui::DisplayStatInfo* /*outStatInfo*/) override {
         return binder::Status::ok();
@@ -930,6 +779,30 @@
         return binder::Status::ok();
     }
 
+    binder::Status getStaticDisplayInfo(const sp<IBinder>& /*display*/,
+                                        gui::StaticDisplayInfo* /*outInfo*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDynamicDisplayInfo(const sp<IBinder>& /*display*/,
+                                         gui::DynamicDisplayInfo* /*outInfo*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayNativePrimaries(const sp<IBinder>& /*display*/,
+                                             gui::DisplayPrimaries* /*outPrimaries*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setActiveColorMode(const sp<IBinder>& /*display*/, int /*colorMode*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setBootDisplayMode(const sp<IBinder>& /*display*/,
+                                      int /*displayModeId*/) override {
+        return binder::Status::ok();
+    }
+
     binder::Status clearBootDisplayMode(const sp<IBinder>& /*display*/) override {
         return binder::Status::ok();
     }
@@ -960,11 +833,107 @@
         return binder::Status::ok();
     }
 
+    binder::Status clearAnimationFrameStats() override { return binder::Status::ok(); }
+
+    binder::Status getAnimationFrameStats(gui::FrameStats* /*outStats*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status overrideHdrTypes(const sp<IBinder>& /*display*/,
+                                    const std::vector<int32_t>& /*hdrTypes*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status onPullAtom(int32_t /*atomId*/, gui::PullAtomData* /*outPullData*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status enableVSyncInjections(bool /*enable*/) override { return binder::Status::ok(); }
+
+    binder::Status injectVSync(int64_t /*when*/) override { return binder::Status::ok(); }
+
+    binder::Status getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* /*outLayers*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getColorManagement(bool* /*outGetColorManagement*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getCompositionPreference(gui::CompositionPreference* /*outPref*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayedContentSamplingAttributes(
+            const sp<IBinder>& /*display*/, gui::ContentSamplingAttributes* /*outAttrs*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
+                                                    int8_t /*componentMask*/,
+                                                    int64_t /*maxFrames*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getProtectedContentSupport(bool* /*outSupporte*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayedContentSample(const sp<IBinder>& /*display*/, int64_t /*maxFrames*/,
+                                             int64_t /*timestamp*/,
+                                             gui::DisplayedFrameStats* /*outStats*/) override {
+        return binder::Status::ok();
+    }
+
     binder::Status isWideColorDisplay(const sp<IBinder>& /*token*/,
                                       bool* /*outIsWideColorDisplay*/) override {
         return binder::Status::ok();
     }
 
+    binder::Status addRegionSamplingListener(
+            const gui::ARect& /*samplingArea*/, const sp<IBinder>& /*stopLayerHandle*/,
+            const sp<gui::IRegionSamplingListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeRegionSamplingListener(
+            const sp<gui::IRegionSamplingListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status addFpsListener(int32_t /*taskId*/,
+                                  const sp<gui::IFpsListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeFpsListener(const sp<gui::IFpsListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status addTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
+                                              int32_t /*defaultMode*/, bool /*allowGroupSwitching*/,
+                                              float /*primaryRefreshRateMin*/,
+                                              float /*primaryRefreshRateMax*/,
+                                              float /*appRequestRefreshRateMin*/,
+                                              float /*appRequestRefreshRateMax*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDesiredDisplayModeSpecs(const sp<IBinder>& /*displayToken*/,
+                                              gui::DisplayModeSpecs* /*outSpecs*/) override {
+        return binder::Status::ok();
+    }
+
     binder::Status getDisplayBrightnessSupport(const sp<IBinder>& /*displayToken*/,
                                                bool* /*outSupport*/) override {
         return binder::Status::ok();
@@ -989,6 +958,45 @@
 
     binder::Status notifyPowerBoost(int /*boostId*/) override { return binder::Status::ok(); }
 
+    binder::Status setGlobalShadowSettings(const gui::Color& /*ambientColor*/,
+                                           const gui::Color& /*spotColor*/, float /*lightPosY*/,
+                                           float /*lightPosZ*/, float /*lightRadius*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayDecorationSupport(
+            const sp<IBinder>& /*displayToken*/,
+            std::optional<gui::DisplayDecorationSupport>* /*outSupport*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setOverrideFrameRate(int32_t /*uid*/, float /*frameRate*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status addTransactionTraceListener(
+            const sp<gui::ITransactionTraceListener>& /*listener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getGpuContextPriority(int32_t* /*outPriority*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getMaxAcquiredBufferCount(int32_t* /*buffers*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status addWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) override {
+        return binder::Status::ok();
+    }
+
 protected:
     IBinder* onAsBinder() override { return nullptr; }
 
@@ -1034,10 +1042,10 @@
 
 class TestSurface : public Surface {
 public:
-    TestSurface(const sp<IGraphicBufferProducer>& bufferProducer,
-            FenceToFenceTimeMap* fenceMap)
-        : Surface(bufferProducer),
-          mFakeSurfaceComposer(new FakeSurfaceComposer) {
+    TestSurface(const sp<IGraphicBufferProducer>& bufferProducer, FenceToFenceTimeMap* fenceMap)
+          : Surface(bufferProducer),
+            mFakeSurfaceComposer(new FakeSurfaceComposer),
+            mFakeSurfaceComposerAIDL(new FakeSurfaceComposerAIDL) {
         mFakeFrameEventHistory = new FakeProducerFrameEventHistory(fenceMap);
         mFrameEventHistory.reset(mFakeFrameEventHistory);
     }
@@ -1048,6 +1056,10 @@
         return mFakeSurfaceComposer;
     }
 
+    sp<gui::ISurfaceComposer> composerServiceAIDL() const override {
+        return mFakeSurfaceComposerAIDL;
+    }
+
     nsecs_t now() const override {
         return mNow;
     }
@@ -1058,6 +1070,7 @@
 
 public:
     sp<FakeSurfaceComposer> mFakeSurfaceComposer;
+    sp<FakeSurfaceComposerAIDL> mFakeSurfaceComposerAIDL;
     nsecs_t mNow = 0;
 
     // mFrameEventHistory owns the instance of FakeProducerFrameEventHistory,
@@ -1070,20 +1083,30 @@
 protected:
     struct FenceAndFenceTime {
         explicit FenceAndFenceTime(FenceToFenceTimeMap& fenceMap)
-           : mFence(new Fence),
-             mFenceTime(fenceMap.createFenceTimeForTest(mFence)) {}
-        sp<Fence> mFence { nullptr };
-        std::shared_ptr<FenceTime> mFenceTime { nullptr };
+              : mFenceTime(fenceMap.createFenceTimeForTest(mFence)) {}
+
+        sp<Fence> mFence = sp<Fence>::make();
+        std::shared_ptr<FenceTime> mFenceTime;
     };
 
+    static CompositorTiming makeCompositorTiming(nsecs_t deadline = 1'000'000'000,
+                                                 nsecs_t interval = 16'666'667,
+                                                 nsecs_t presentLatency = 50'000'000) {
+        CompositorTiming timing;
+        timing.deadline = deadline;
+        timing.interval = interval;
+        timing.presentLatency = presentLatency;
+        return timing;
+    }
+
     struct RefreshEvents {
         RefreshEvents(FenceToFenceTimeMap& fenceMap, nsecs_t refreshStart)
-          : mFenceMap(fenceMap),
-            kCompositorTiming(
-                {refreshStart, refreshStart + 1, refreshStart + 2 }),
-            kStartTime(refreshStart + 3),
-            kGpuCompositionDoneTime(refreshStart + 4),
-            kPresentTime(refreshStart + 5) {}
+              : mFenceMap(fenceMap),
+                kCompositorTiming(
+                        makeCompositorTiming(refreshStart, refreshStart + 1, refreshStart + 2)),
+                kStartTime(refreshStart + 3),
+                kGpuCompositionDoneTime(refreshStart + 4),
+                kPresentTime(refreshStart + 5) {}
 
         void signalPostCompositeFences() {
             mFenceMap.signalAllForTest(
@@ -1093,8 +1116,8 @@
 
         FenceToFenceTimeMap& mFenceMap;
 
-        FenceAndFenceTime mGpuCompositionDone { mFenceMap };
-        FenceAndFenceTime mPresent { mFenceMap };
+        FenceAndFenceTime mGpuCompositionDone{mFenceMap};
+        FenceAndFenceTime mPresent{mFenceMap};
 
         const CompositorTiming kCompositorTiming;
 
@@ -1360,11 +1383,7 @@
 // This test verifies that the frame timestamps are retrieved if explicitly
 // enabled via native_window_enable_frame_timestamps.
 TEST_F(GetFrameTimestampsTest, EnabledSimple) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -1424,6 +1443,7 @@
 TEST_F(GetFrameTimestampsTest, QueryPresentSupported) {
     bool displayPresentSupported = true;
     mSurface->mFakeSurfaceComposer->setSupportsPresent(displayPresentSupported);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(displayPresentSupported);
 
     // Verify supported bits are forwarded.
     int supportsPresent = -1;
@@ -1435,6 +1455,7 @@
 TEST_F(GetFrameTimestampsTest, QueryPresentNotSupported) {
     bool displayPresentSupported = false;
     mSurface->mFakeSurfaceComposer->setSupportsPresent(displayPresentSupported);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(displayPresentSupported);
 
     // Verify supported bits are forwarded.
     int supportsPresent = -1;
@@ -1501,11 +1522,7 @@
 // This verifies the compositor timing is updated by refresh events
 // and piggy backed on a queue, dequeue, and enabling of timestamps..
 TEST_F(GetFrameTimestampsTest, CompositorTimingUpdatesBasic) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -1586,11 +1603,7 @@
 // This verifies the compositor deadline properly snaps to the the next
 // deadline based on the current time.
 TEST_F(GetFrameTimestampsTest, CompositorTimingDeadlineSnaps) {
-    CompositorTiming initialCompositorTiming {
-        1000000000, // 1s deadline
-        16666667, // 16ms interval
-        50000000, // 50ms present latency
-    };
+    const CompositorTiming initialCompositorTiming = makeCompositorTiming();
     mCfeh->initializeCompositorTiming(initialCompositorTiming);
 
     enableFrameTimestamps();
@@ -2012,6 +2025,7 @@
 TEST_F(GetFrameTimestampsTest, PresentUnsupportedNoSync) {
     enableFrameTimestamps();
     mSurface->mFakeSurfaceComposer->setSupportsPresent(false);
+    mSurface->mFakeSurfaceComposerAIDL->setSupportsPresent(false);
 
     // Dequeue and queue frame 1.
     const uint64_t fId1 = getNextFrameId();
diff --git a/libs/gui/tests/WindowInfo_test.cpp b/libs/gui/tests/WindowInfo_test.cpp
index 99658cc..c51b244 100644
--- a/libs/gui/tests/WindowInfo_test.cpp
+++ b/libs/gui/tests/WindowInfo_test.cpp
@@ -71,7 +71,6 @@
     i.applicationInfo.name = "ApplicationFooBar";
     i.applicationInfo.token = new BBinder();
     i.applicationInfo.dispatchingTimeoutMillis = 0x12345678ABCD;
-    i.isClone = true;
 
     Parcel p;
     i.writeToParcel(&p);
@@ -102,7 +101,6 @@
     ASSERT_EQ(i.replaceTouchableRegionWithCrop, i2.replaceTouchableRegionWithCrop);
     ASSERT_EQ(i.touchableRegionCropHandle, i2.touchableRegionCropHandle);
     ASSERT_EQ(i.applicationInfo, i2.applicationInfo);
-    ASSERT_EQ(i.isClone, i2.isClone);
 }
 
 TEST(InputApplicationInfo, Parcelling) {
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index b2fec79..29e02cf 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -26,7 +26,7 @@
 filegroup {
     name: "inputconstants_aidl",
     srcs: [
-        "android/os/BlockUntrustedTouchesMode.aidl",
+        "android/hardware/input/InputDeviceCountryCode.aidl",
         "android/os/IInputConstants.aidl",
         "android/os/InputEventInjectionResult.aidl",
         "android/os/InputEventInjectionSync.aidl",
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 2b7483d..579b28e 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -87,6 +87,8 @@
             return "AMBIGUOUS_GESTURE";
         case MotionClassification::DEEP_PRESS:
             return "DEEP_PRESS";
+        case MotionClassification::TWO_FINGER_SWIPE:
+            return "TWO_FINGER_SWIPE";
     }
 }
 
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index a908969..3fe03c7 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -26,6 +26,7 @@
 #include <input/InputEventLabels.h>
 
 using android::base::StringPrintf;
+using android::hardware::input::InputDeviceCountryCode;
 
 namespace android {
 
@@ -177,6 +178,7 @@
         mAlias(other.mAlias),
         mIsExternal(other.mIsExternal),
         mHasMic(other.mHasMic),
+        mCountryCode(other.mCountryCode),
         mSources(other.mSources),
         mKeyboardType(other.mKeyboardType),
         mKeyCharacterMap(other.mKeyCharacterMap),
@@ -192,8 +194,8 @@
 }
 
 void InputDeviceInfo::initialize(int32_t id, int32_t generation, int32_t controllerNumber,
-        const InputDeviceIdentifier& identifier, const std::string& alias, bool isExternal,
-        bool hasMic) {
+                                 const InputDeviceIdentifier& identifier, const std::string& alias,
+                                 bool isExternal, bool hasMic, InputDeviceCountryCode countryCode) {
     mId = id;
     mGeneration = generation;
     mControllerNumber = controllerNumber;
@@ -201,6 +203,7 @@
     mAlias = alias;
     mIsExternal = isExternal;
     mHasMic = hasMic;
+    mCountryCode = countryCode;
     mSources = 0;
     mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
     mHasVibrator = false;
diff --git a/libs/input/InputEventLabels.cpp b/libs/input/InputEventLabels.cpp
index c0aa2e2..163a2fe 100644
--- a/libs/input/InputEventLabels.cpp
+++ b/libs/input/InputEventLabels.cpp
@@ -23,6 +23,8 @@
 
 namespace android {
 
+// clang-format off
+
 // NOTE: If you add a new keycode here you must also add it to several other files.
 //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
 #define KEYCODES_SEQUENCE \
@@ -314,7 +316,30 @@
     DEFINE_KEYCODE(REFRESH), \
     DEFINE_KEYCODE(THUMBS_UP), \
     DEFINE_KEYCODE(THUMBS_DOWN), \
-    DEFINE_KEYCODE(PROFILE_SWITCH)
+    DEFINE_KEYCODE(PROFILE_SWITCH), \
+    DEFINE_KEYCODE(VIDEO_APP_1), \
+    DEFINE_KEYCODE(VIDEO_APP_2), \
+    DEFINE_KEYCODE(VIDEO_APP_3), \
+    DEFINE_KEYCODE(VIDEO_APP_4), \
+    DEFINE_KEYCODE(VIDEO_APP_5), \
+    DEFINE_KEYCODE(VIDEO_APP_6), \
+    DEFINE_KEYCODE(VIDEO_APP_7), \
+    DEFINE_KEYCODE(VIDEO_APP_8), \
+    DEFINE_KEYCODE(FEATURED_APP_1), \
+    DEFINE_KEYCODE(FEATURED_APP_2), \
+    DEFINE_KEYCODE(FEATURED_APP_3), \
+    DEFINE_KEYCODE(FEATURED_APP_4), \
+    DEFINE_KEYCODE(DEMO_APP_1), \
+    DEFINE_KEYCODE(DEMO_APP_2), \
+    DEFINE_KEYCODE(DEMO_APP_3), \
+    DEFINE_KEYCODE(DEMO_APP_4), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_DOWN), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_UP), \
+    DEFINE_KEYCODE(KEYBOARD_BACKLIGHT_TOGGLE), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_PRIMARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_SECONDARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_TERTIARY), \
+    DEFINE_KEYCODE(STYLUS_BUTTON_TAIL)
 
 // NOTE: If you add a new axis here you must also add it to several other files.
 //       Refer to frameworks/base/core/java/android/view/MotionEvent.java for the full list.
@@ -368,7 +393,6 @@
     DEFINE_AXIS(GENERIC_15), \
     DEFINE_AXIS(GENERIC_16)
 
-
 // NOTE: If you add new LEDs here, you must also add them to Input.h
 #define LEDS_SEQUENCE \
     DEFINE_LED(NUM_LOCK), \
@@ -393,6 +417,8 @@
     DEFINE_FLAG(GESTURE), \
     DEFINE_FLAG(WAKE)
 
+// clang-format on
+
 // --- InputEventLookup ---
 const std::unordered_map<std::string, int> InputEventLookup::KEYCODES = {KEYCODES_SEQUENCE};
 
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 6195052..8d8433b 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -51,7 +51,7 @@
 
 // Latency added during resampling.  A few milliseconds doesn't hurt much but
 // reduces the impact of mispredicted touch positions.
-static const nsecs_t RESAMPLE_LATENCY = 5 * NANOS_PER_MS;
+const std::chrono::duration RESAMPLE_LATENCY = 5ms;
 
 // Minimum time difference between consecutive samples before attempting to resample.
 static const nsecs_t RESAMPLE_MIN_DELTA = 2 * NANOS_PER_MS;
@@ -721,7 +721,11 @@
 // --- InputConsumer ---
 
 InputConsumer::InputConsumer(const std::shared_ptr<InputChannel>& channel)
-      : mResampleTouch(isTouchResamplingEnabled()), mChannel(channel), mMsgDeferred(false) {}
+      : InputConsumer(channel, isTouchResamplingEnabled()) {}
+
+InputConsumer::InputConsumer(const std::shared_ptr<InputChannel>& channel,
+                             bool enableTouchResampling)
+      : mResampleTouch(enableTouchResampling), mChannel(channel), mMsgDeferred(false) {}
 
 InputConsumer::~InputConsumer() {
 }
@@ -751,7 +755,10 @@
             // Receive a fresh message.
             status_t result = mChannel->receiveMessage(&mMsg);
             if (result == OK) {
-                mConsumeTimes.emplace(mMsg.header.seq, systemTime(SYSTEM_TIME_MONOTONIC));
+                const auto [_, inserted] =
+                        mConsumeTimes.emplace(mMsg.header.seq, systemTime(SYSTEM_TIME_MONOTONIC));
+                LOG_ALWAYS_FATAL_IF(!inserted, "Already have a consume time for seq=%" PRIu32,
+                                    mMsg.header.seq);
             }
             if (result) {
                 // Consume the next batched event unless batches are being held for later.
@@ -918,7 +925,7 @@
 
         nsecs_t sampleTime = frameTime;
         if (mResampleTouch) {
-            sampleTime -= RESAMPLE_LATENCY;
+            sampleTime -= std::chrono::nanoseconds(RESAMPLE_LATENCY).count();
         }
         ssize_t split = findSampleNoLaterThan(batch, sampleTime);
         if (split < 0) {
@@ -1166,6 +1173,11 @@
         return;
     }
 
+    if (current->eventTime == sampleTime) {
+        // Prevents having 2 events with identical times and coordinates.
+        return;
+    }
+
     // Resample touch coordinates.
     History oldLastResample;
     oldLastResample.initializeFrom(touchState.lastResample);
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index 2039fa6..422e6e0 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -304,9 +304,8 @@
 
 char16_t KeyCharacterMap::getCharacter(int32_t keyCode, int32_t metaState) const {
     char16_t result = 0;
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const Behavior* behavior = getKeyBehavior(keyCode, metaState);
+    if (behavior != nullptr) {
         result = behavior->character;
     }
 #if DEBUG_MAPPING
@@ -321,9 +320,8 @@
     outFallbackAction->metaState = 0;
 
     bool result = false;
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const Behavior* behavior = getKeyBehavior(keyCode, metaState);
+    if (behavior != nullptr) {
         if (behavior->fallbackKeyCode) {
             outFallbackAction->keyCode = behavior->fallbackKeyCode;
             outFallbackAction->metaState = metaState & ~behavior->metaState;
@@ -347,12 +345,12 @@
         // Try to find the most general behavior that maps to this character.
         // For example, the base key behavior will usually be last in the list.
         // However, if we find a perfect meta state match for one behavior then use that one.
-        for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
-            if (behavior->character) {
+        for (const Behavior& behavior : key->behaviors) {
+            if (behavior.character) {
                 for (size_t i = 0; i < numChars; i++) {
-                    if (behavior->character == chars[i]) {
-                        result = behavior->character;
-                        if ((behavior->metaState & metaState) == behavior->metaState) {
+                    if (behavior.character == chars[i]) {
+                        result = behavior.character;
+                        if ((behavior.metaState & metaState) == behavior.metaState) {
                             goto ExactMatch;
                         }
                         break;
@@ -438,9 +436,8 @@
     *outKeyCode = keyCode;
     *outMetaState = metaState;
 
-    const Key* key;
-    const Behavior* behavior;
-    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+    const Behavior* behavior = getKeyBehavior(keyCode, metaState);
+    if (behavior != nullptr) {
         if (behavior->replacementKeyCode) {
             *outKeyCode = behavior->replacementKeyCode;
             int32_t newMetaState = metaState & ~behavior->metaState;
@@ -484,21 +481,17 @@
     return false;
 }
 
-bool KeyCharacterMap::getKeyBehavior(int32_t keyCode, int32_t metaState,
-        const Key** outKey, const Behavior** outBehavior) const {
+const KeyCharacterMap::Behavior* KeyCharacterMap::getKeyBehavior(int32_t keyCode,
+                                                                 int32_t metaState) const {
     const Key* key;
     if (getKey(keyCode, &key)) {
-        const Behavior* behavior = key->firstBehavior;
-        while (behavior) {
-            if (matchesMetaState(metaState, behavior->metaState)) {
-                *outKey = key;
-                *outBehavior = behavior;
-                return true;
+        for (const Behavior& behavior : key->behaviors) {
+            if (matchesMetaState(metaState, behavior.metaState)) {
+                return &behavior;
             }
-            behavior = behavior->next;
         }
     }
-    return false;
+    return nullptr;
 }
 
 bool KeyCharacterMap::matchesMetaState(int32_t eventMetaState, int32_t behaviorMetaState) {
@@ -543,12 +536,12 @@
         // Try to find the most general behavior that maps to this character.
         // For example, the base key behavior will usually be last in the list.
         const Behavior* found = nullptr;
-        for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
-            if (behavior->character == ch) {
-                found = behavior;
+        for (const Behavior& behavior : key->behaviors) {
+            if (behavior.character == ch) {
+                found = &behavior;
             }
         }
-        if (found) {
+        if (found != nullptr) {
             *outKeyCode = mKeys.keyAt(i);
             *outMetaState = found->metaState;
             return true;
@@ -706,7 +699,6 @@
         key->number = number;
         map->mKeys.add(keyCode, key);
 
-        Behavior* lastBehavior = nullptr;
         while (parcel->readInt32()) {
             int32_t metaState = parcel->readInt32();
             char16_t character = parcel->readInt32();
@@ -716,17 +708,12 @@
                 return nullptr;
             }
 
-            Behavior* behavior = new Behavior();
-            behavior->metaState = metaState;
-            behavior->character = character;
-            behavior->fallbackKeyCode = fallbackKeyCode;
-            behavior->replacementKeyCode = replacementKeyCode;
-            if (lastBehavior) {
-                lastBehavior->next = behavior;
-            } else {
-                key->firstBehavior = behavior;
-            }
-            lastBehavior = behavior;
+            key->behaviors.push_back({
+                    .metaState = metaState,
+                    .character = character,
+                    .fallbackKeyCode = fallbackKeyCode,
+                    .replacementKeyCode = replacementKeyCode,
+            });
         }
 
         if (parcel->errorCheck()) {
@@ -777,13 +764,12 @@
         parcel->writeInt32(keyCode);
         parcel->writeInt32(key->label);
         parcel->writeInt32(key->number);
-        for (const Behavior* behavior = key->firstBehavior; behavior != nullptr;
-                behavior = behavior->next) {
+        for (const Behavior& behavior : key->behaviors) {
             parcel->writeInt32(1);
-            parcel->writeInt32(behavior->metaState);
-            parcel->writeInt32(behavior->character);
-            parcel->writeInt32(behavior->fallbackKeyCode);
-            parcel->writeInt32(behavior->replacementKeyCode);
+            parcel->writeInt32(behavior.metaState);
+            parcel->writeInt32(behavior.character);
+            parcel->writeInt32(behavior.fallbackKeyCode);
+            parcel->writeInt32(behavior.replacementKeyCode);
         }
         parcel->writeInt32(0);
     }
@@ -804,38 +790,10 @@
 
 // --- KeyCharacterMap::Key ---
 
-KeyCharacterMap::Key::Key() :
-        label(0), number(0), firstBehavior(nullptr) {
-}
+KeyCharacterMap::Key::Key() : label(0), number(0) {}
 
-KeyCharacterMap::Key::Key(const Key& other) :
-        label(other.label), number(other.number),
-        firstBehavior(other.firstBehavior ? new Behavior(*other.firstBehavior) : nullptr) {
-}
-
-KeyCharacterMap::Key::~Key() {
-    Behavior* behavior = firstBehavior;
-    while (behavior) {
-        Behavior* next = behavior->next;
-        delete behavior;
-        behavior = next;
-    }
-}
-
-
-// --- KeyCharacterMap::Behavior ---
-
-KeyCharacterMap::Behavior::Behavior() :
-        next(nullptr), metaState(0), character(0), fallbackKeyCode(0), replacementKeyCode(0) {
-}
-
-KeyCharacterMap::Behavior::Behavior(const Behavior& other) :
-        next(other.next ? new Behavior(*other.next) : nullptr),
-        metaState(other.metaState), character(other.character),
-        fallbackKeyCode(other.fallbackKeyCode),
-        replacementKeyCode(other.replacementKeyCode) {
-}
-
+KeyCharacterMap::Key::Key(const Key& other)
+      : label(other.label), number(other.number), behaviors(other.behaviors) {}
 
 // --- KeyCharacterMap::Parser ---
 
@@ -1213,23 +1171,21 @@
 #endif
             break;
         case PROPERTY_META: {
-            for (Behavior* b = key->firstBehavior; b; b = b->next) {
-                if (b->metaState == property.metaState) {
+            for (const Behavior& b : key->behaviors) {
+                if (b.metaState == property.metaState) {
                     ALOGE("%s: Duplicate key behavior for modifier.",
                             mTokenizer->getLocation().string());
                     return BAD_VALUE;
                 }
             }
-            Behavior* newBehavior = new Behavior(behavior);
-            newBehavior->metaState = property.metaState;
-            newBehavior->next = key->firstBehavior;
-            key->firstBehavior = newBehavior;
-#if DEBUG_PARSER
-            ALOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d replace=%d.",
-                    mKeyCode,
-                    newBehavior->metaState, newBehavior->character,
-                    newBehavior->fallbackKeyCode, newBehavior->replacementKeyCode);
-#endif
+            Behavior newBehavior = behavior;
+            newBehavior.metaState = property.metaState;
+            key->behaviors.push_front(newBehavior);
+            ALOGD_IF(DEBUG_PARSER,
+                     "Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d replace=%d.",
+                     mKeyCode, key->behaviors.front().metaState, key->behaviors.front().character,
+                     key->behaviors.front().fallbackKeyCode,
+                     key->behaviors.front().replacementKeyCode);
             break;
         }
         }
@@ -1242,8 +1198,8 @@
     if (!key->number) {
         char16_t digit = 0;
         char16_t symbol = 0;
-        for (Behavior* b = key->firstBehavior; b; b = b->next) {
-            char16_t ch = b->character;
+        for (const Behavior& b : key->behaviors) {
+            char16_t ch = b.character;
             if (ch) {
                 if (ch >= '0' && ch <= '9') {
                     digit = ch;
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index d6b4579..7371033 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -192,7 +192,8 @@
 }
 
 // Return pair of sensor type and sensor data index, for the input device abs code
-base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
+base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(
+        int32_t absCode) const {
     auto it = mSensorsByAbsCode.find(absCode);
     if (it == mSensorsByAbsCode.end()) {
         ALOGD_IF(DEBUG_MAPPING, "mapSensor: absCode=%d, ~ Failed.", absCode);
diff --git a/libs/input/Keyboard.cpp b/libs/input/Keyboard.cpp
index c3f5151..3f8467d 100644
--- a/libs/input/Keyboard.cpp
+++ b/libs/input/Keyboard.cpp
@@ -49,25 +49,23 @@
         const PropertyMap* deviceConfiguration) {
     // Use the configured key layout if available.
     if (deviceConfiguration) {
-        String8 keyLayoutName;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.layout"),
-                keyLayoutName)) {
+        std::string keyLayoutName;
+        if (deviceConfiguration->tryGetProperty("keyboard.layout", keyLayoutName)) {
             status_t status = loadKeyLayout(deviceIdentifier, keyLayoutName.c_str());
             if (status == NAME_NOT_FOUND) {
                 ALOGE("Configuration for keyboard device '%s' requested keyboard layout '%s' but "
-                        "it was not found.",
-                        deviceIdentifier.name.c_str(), keyLayoutName.string());
+                      "it was not found.",
+                      deviceIdentifier.name.c_str(), keyLayoutName.c_str());
             }
         }
 
-        String8 keyCharacterMapName;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.characterMap"),
-                keyCharacterMapName)) {
+        std::string keyCharacterMapName;
+        if (deviceConfiguration->tryGetProperty("keyboard.characterMap", keyCharacterMapName)) {
             status_t status = loadKeyCharacterMap(deviceIdentifier, keyCharacterMapName.c_str());
             if (status == NAME_NOT_FOUND) {
                 ALOGE("Configuration for keyboard device '%s' requested keyboard character "
-                        "map '%s' but it was not found.",
-                        deviceIdentifier.name.c_str(), keyCharacterMapName.string());
+                      "map '%s' but it was not found.",
+                      deviceIdentifier.name.c_str(), keyCharacterMapName.c_str());
             }
         }
 
@@ -165,7 +163,7 @@
         return false;
     }
     bool isSpecialFunction = false;
-    config->tryGetProperty(String8("keyboard.specialFunction"), isSpecialFunction);
+    config->tryGetProperty("keyboard.specialFunction", isSpecialFunction);
     return isSpecialFunction;
 }
 
@@ -180,8 +178,7 @@
 
     if (deviceConfiguration) {
         bool builtIn = false;
-        if (deviceConfiguration->tryGetProperty(String8("keyboard.builtIn"), builtIn)
-                && builtIn) {
+        if (deviceConfiguration->tryGetProperty("keyboard.builtIn", builtIn) && builtIn) {
             return true;
         }
     }
diff --git a/libs/input/PropertyMap.cpp b/libs/input/PropertyMap.cpp
index a842166..16ffa10 100644
--- a/libs/input/PropertyMap.cpp
+++ b/libs/input/PropertyMap.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "PropertyMap"
 
 #include <input/PropertyMap.h>
+#include <log/log.h>
 
 // Enables debug output for the parser.
 #define DEBUG_PARSER 0
@@ -39,25 +40,25 @@
     mProperties.clear();
 }
 
-void PropertyMap::addProperty(const String8& key, const String8& value) {
-    mProperties.add(key, value);
+void PropertyMap::addProperty(const std::string& key, const std::string& value) {
+    mProperties.emplace(key, value);
 }
 
-bool PropertyMap::hasProperty(const String8& key) const {
-    return mProperties.indexOfKey(key) >= 0;
+bool PropertyMap::hasProperty(const std::string& key) const {
+    return mProperties.find(key) != mProperties.end();
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, String8& outValue) const {
-    ssize_t index = mProperties.indexOfKey(key);
-    if (index < 0) {
+bool PropertyMap::tryGetProperty(const std::string& key, std::string& outValue) const {
+    auto it = mProperties.find(key);
+    if (it == mProperties.end()) {
         return false;
     }
 
-    outValue = mProperties.valueAt(index);
+    outValue = it->second;
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, bool& outValue) const {
+bool PropertyMap::tryGetProperty(const std::string& key, bool& outValue) const {
     int32_t intValue;
     if (!tryGetProperty(key, intValue)) {
         return false;
@@ -67,34 +68,34 @@
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, int32_t& outValue) const {
-    String8 stringValue;
+bool PropertyMap::tryGetProperty(const std::string& key, int32_t& outValue) const {
+    std::string stringValue;
     if (!tryGetProperty(key, stringValue) || stringValue.length() == 0) {
         return false;
     }
 
     char* end;
-    int value = strtol(stringValue.string(), &end, 10);
+    int32_t value = static_cast<int32_t>(strtol(stringValue.c_str(), &end, 10));
     if (*end != '\0') {
-        ALOGW("Property key '%s' has invalid value '%s'.  Expected an integer.", key.string(),
-              stringValue.string());
+        ALOGW("Property key '%s' has invalid value '%s'.  Expected an integer.", key.c_str(),
+              stringValue.c_str());
         return false;
     }
     outValue = value;
     return true;
 }
 
-bool PropertyMap::tryGetProperty(const String8& key, float& outValue) const {
-    String8 stringValue;
+bool PropertyMap::tryGetProperty(const std::string& key, float& outValue) const {
+    std::string stringValue;
     if (!tryGetProperty(key, stringValue) || stringValue.length() == 0) {
         return false;
     }
 
     char* end;
-    float value = strtof(stringValue.string(), &end);
+    float value = strtof(stringValue.c_str(), &end);
     if (*end != '\0') {
-        ALOGW("Property key '%s' has invalid value '%s'.  Expected a float.", key.string(),
-              stringValue.string());
+        ALOGW("Property key '%s' has invalid value '%s'.  Expected a float.", key.c_str(),
+              stringValue.c_str());
         return false;
     }
     outValue = value;
@@ -102,8 +103,8 @@
 }
 
 void PropertyMap::addAll(const PropertyMap* map) {
-    for (size_t i = 0; i < map->mProperties.size(); i++) {
-        mProperties.add(map->mProperties.keyAt(i), map->mProperties.valueAt(i));
+    for (const auto& [key, value] : map->mProperties) {
+        mProperties.emplace(key, value);
     }
 }
 
@@ -184,13 +185,13 @@
                 return BAD_VALUE;
             }
 
-            if (mMap->hasProperty(keyToken)) {
+            if (mMap->hasProperty(keyToken.string())) {
                 ALOGE("%s: Duplicate property value for key '%s'.",
                       mTokenizer->getLocation().string(), keyToken.string());
                 return BAD_VALUE;
             }
 
-            mMap->addProperty(keyToken, valueToken);
+            mMap->addProperty(keyToken.string(), valueToken.string());
         }
 
         mTokenizer->nextLine();
diff --git a/libs/input/PropertyMap_fuzz.cpp b/libs/input/PropertyMap_fuzz.cpp
index afb97a1..d985dc1 100755
--- a/libs/input/PropertyMap_fuzz.cpp
+++ b/libs/input/PropertyMap_fuzz.cpp
@@ -17,32 +17,22 @@
 #include "android-base/file.h"
 #include "fuzzer/FuzzedDataProvider.h"
 #include "input/PropertyMap.h"
-#include "utils/String8.h"
 
 static constexpr int MAX_FILE_SIZE = 256;
 static constexpr int MAX_STR_LEN = 2048;
 static constexpr int MAX_OPERATIONS = 1000;
 
-static const std::vector<std::function<void(FuzzedDataProvider*, android::PropertyMap)>>
+static const std::vector<std::function<void(FuzzedDataProvider*, android::PropertyMap&)>>
         operations = {
-                [](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
-                    propertyMap.getProperties();
-                },
-                [](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
+                [](FuzzedDataProvider*, android::PropertyMap& propertyMap) -> void {
                     propertyMap.clear();
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    propertyMap.hasProperty(key);
-                },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    android::String8 out;
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& propertyMap) -> void {
+                    std::string key = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
+                    std::string out;
                     propertyMap.tryGetProperty(key, out);
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap /*unused*/) -> void {
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& /*unused*/) -> void {
                     TemporaryFile tf;
                     // Generate file contents
                     std::string contents = dataProvider->ConsumeRandomLengthString(MAX_FILE_SIZE);
@@ -54,17 +44,15 @@
                     }
                     android::PropertyMap::load(tf.path);
                 },
-                [](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
-                    std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    std::string valStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
-                    android::String8 key = android::String8(keyStr.c_str());
-                    android::String8 val = android::String8(valStr.c_str());
+                [](FuzzedDataProvider* dataProvider, android::PropertyMap& propertyMap) -> void {
+                    std::string key = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
+                    std::string val = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
                     propertyMap.addProperty(key, val);
                 },
 };
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     FuzzedDataProvider dataProvider(data, size);
-    android::PropertyMap propertyMap = android::PropertyMap();
+    android::PropertyMap propertyMap;
 
     int opsRun = 0;
     while (dataProvider.remaining_bytes() > 0 && opsRun++ < MAX_OPERATIONS) {
diff --git a/libs/input/VelocityControl.cpp b/libs/input/VelocityControl.cpp
index 6e991e9..e2bfb50 100644
--- a/libs/input/VelocityControl.cpp
+++ b/libs/input/VelocityControl.cpp
@@ -44,8 +44,8 @@
 
 void VelocityControl::reset() {
     mLastMovementTime = LLONG_MIN;
-    mRawPosition.x = 0;
-    mRawPosition.y = 0;
+    mRawPositionX = 0;
+    mRawPositionY = 0;
     mVelocityTracker.clear();
 }
 
@@ -61,17 +61,20 @@
 
         mLastMovementTime = eventTime;
         if (deltaX) {
-            mRawPosition.x += *deltaX;
+            mRawPositionX += *deltaX;
         }
         if (deltaY) {
-            mRawPosition.y += *deltaY;
+            mRawPositionY += *deltaY;
         }
-        mVelocityTracker.addMovement(eventTime, BitSet32(BitSet32::valueForBit(0)), {mRawPosition});
+        mVelocityTracker.addMovement(eventTime, BitSet32(BitSet32::valueForBit(0)),
+                                     {{AMOTION_EVENT_AXIS_X, {mRawPositionX}},
+                                      {AMOTION_EVENT_AXIS_Y, {mRawPositionY}}});
 
-        float vx, vy;
+        std::optional<float> vx = mVelocityTracker.getVelocity(AMOTION_EVENT_AXIS_X, 0);
+        std::optional<float> vy = mVelocityTracker.getVelocity(AMOTION_EVENT_AXIS_Y, 0);
         float scale = mParameters.scale;
-        if (mVelocityTracker.getVelocity(0, &vx, &vy)) {
-            float speed = hypotf(vx, vy) * scale;
+        if (vx && vy) {
+            float speed = hypotf(*vx, *vy) * scale;
             if (speed >= mParameters.highThreshold) {
                 // Apply full acceleration above the high speed threshold.
                 scale *= mParameters.acceleration;
@@ -85,10 +88,9 @@
 
             if (DEBUG_ACCELERATION) {
                 ALOGD("VelocityControl(%0.3f, %0.3f, %0.3f, %0.3f): "
-                        "vx=%0.3f, vy=%0.3f, speed=%0.3f, accel=%0.3f",
-                        mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
-                        mParameters.acceleration,
-                        vx, vy, speed, scale / mParameters.scale);
+                      "vx=%0.3f, vy=%0.3f, speed=%0.3f, accel=%0.3f",
+                      mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
+                      mParameters.acceleration, *vx, *vy, speed, scale / mParameters.scale);
             }
 
         } else {
diff --git a/libs/input/VelocityTracker.cpp b/libs/input/VelocityTracker.cpp
index 7f427f2..4a4f734 100644
--- a/libs/input/VelocityTracker.cpp
+++ b/libs/input/VelocityTracker.cpp
@@ -27,6 +27,8 @@
 #include <utils/BitSet.h>
 #include <utils/Timers.h>
 
+using std::literals::chrono_literals::operator""ms;
+
 namespace android {
 
 /**
@@ -53,12 +55,34 @@
 // Nanoseconds per milliseconds.
 static const nsecs_t NANOS_PER_MS = 1000000;
 
+// All axes supported for velocity tracking, mapped to their default strategies.
+// Although other strategies are available for testing and comparison purposes,
+// the default strategy is the one that applications will actually use.  Be very careful
+// when adjusting the default strategy because it can dramatically affect
+// (often in a bad way) the user experience.
+static const std::map<int32_t, VelocityTracker::Strategy> DEFAULT_STRATEGY_BY_AXIS =
+        {{AMOTION_EVENT_AXIS_X, VelocityTracker::Strategy::LSQ2},
+         {AMOTION_EVENT_AXIS_Y, VelocityTracker::Strategy::LSQ2},
+         {AMOTION_EVENT_AXIS_SCROLL, VelocityTracker::Strategy::IMPULSE}};
+
+// Axes specifying location on a 2D plane (i.e. X and Y).
+static const std::set<int32_t> PLANAR_AXES = {AMOTION_EVENT_AXIS_X, AMOTION_EVENT_AXIS_Y};
+
+// Axes whose motion values are differential values (i.e. deltas).
+static const std::set<int32_t> DIFFERENTIAL_AXES = {AMOTION_EVENT_AXIS_SCROLL};
+
 // Threshold for determining that a pointer has stopped moving.
 // Some input devices do not send ACTION_MOVE events in the case where a pointer has
 // stopped.  We need to detect this case so that we can accurately predict the
 // velocity after the pointer starts moving again.
-static const nsecs_t ASSUME_POINTER_STOPPED_TIME = 40 * NANOS_PER_MS;
+static const std::chrono::duration ASSUME_POINTER_STOPPED_TIME = 40ms;
 
+static std::string toString(std::chrono::nanoseconds t) {
+    std::stringstream stream;
+    stream.precision(1);
+    stream << std::fixed << std::chrono::duration<float, std::milli>(t).count() << " ms";
+    return stream.str();
+}
 
 static float vectorDot(const float* a, const float* b, uint32_t m) {
     float r = 0;
@@ -118,46 +142,42 @@
 // --- VelocityTracker ---
 
 VelocityTracker::VelocityTracker(const Strategy strategy)
-      : mLastEventTime(0), mCurrentPointerIdBits(0), mActivePointerId(-1) {
-    // Configure the strategy.
-    if (!configureStrategy(strategy)) {
-        ALOGE("Unrecognized velocity tracker strategy %" PRId32 ".", strategy);
-        if (!configureStrategy(VelocityTracker::DEFAULT_STRATEGY)) {
-            LOG_ALWAYS_FATAL("Could not create the default velocity tracker strategy '%" PRId32
-                             "'!",
-                             strategy);
-        }
-    }
-}
+      : mLastEventTime(0),
+        mCurrentPointerIdBits(0),
+        mActivePointerId(-1),
+        mOverrideStrategy(strategy) {}
 
 VelocityTracker::~VelocityTracker() {
 }
 
-bool VelocityTracker::configureStrategy(Strategy strategy) {
-    if (strategy == VelocityTracker::Strategy::DEFAULT) {
-        mStrategy = createStrategy(VelocityTracker::DEFAULT_STRATEGY);
+void VelocityTracker::configureStrategy(int32_t axis) {
+    const bool isDifferentialAxis = DIFFERENTIAL_AXES.find(axis) != DIFFERENTIAL_AXES.end();
+
+    std::unique_ptr<VelocityTrackerStrategy> createdStrategy;
+    if (mOverrideStrategy != VelocityTracker::Strategy::DEFAULT) {
+        createdStrategy = createStrategy(mOverrideStrategy, isDifferentialAxis /* deltaValues */);
     } else {
-        mStrategy = createStrategy(strategy);
+        createdStrategy = createStrategy(DEFAULT_STRATEGY_BY_AXIS.at(axis),
+                                         isDifferentialAxis /* deltaValues */);
     }
-    return mStrategy != nullptr;
+
+    LOG_ALWAYS_FATAL_IF(createdStrategy == nullptr,
+                        "Could not create velocity tracker strategy for axis '%" PRId32 "'!", axis);
+    mConfiguredStrategies[axis] = std::move(createdStrategy);
 }
 
 std::unique_ptr<VelocityTrackerStrategy> VelocityTracker::createStrategy(
-        VelocityTracker::Strategy strategy) {
+        VelocityTracker::Strategy strategy, bool deltaValues) {
     switch (strategy) {
         case VelocityTracker::Strategy::IMPULSE:
-            if (DEBUG_STRATEGY) {
-                ALOGI("Initializing impulse strategy");
-            }
-            return std::make_unique<ImpulseVelocityTrackerStrategy>();
+            ALOGI_IF(DEBUG_STRATEGY, "Initializing impulse strategy");
+            return std::make_unique<ImpulseVelocityTrackerStrategy>(deltaValues);
 
         case VelocityTracker::Strategy::LSQ1:
             return std::make_unique<LeastSquaresVelocityTrackerStrategy>(1);
 
         case VelocityTracker::Strategy::LSQ2:
-            if (DEBUG_STRATEGY && !DEBUG_IMPULSE) {
-                ALOGI("Initializing lsq2 strategy");
-            }
+            ALOGI_IF(DEBUG_STRATEGY && !DEBUG_IMPULSE, "Initializing lsq2 strategy");
             return std::make_unique<LeastSquaresVelocityTrackerStrategy>(2);
 
         case VelocityTracker::Strategy::LSQ3:
@@ -197,8 +217,7 @@
 void VelocityTracker::clear() {
     mCurrentPointerIdBits.clear();
     mActivePointerId = -1;
-
-    mStrategy->clear();
+    mConfiguredStrategies.clear();
 }
 
 void VelocityTracker::clearPointers(BitSet32 idBits) {
@@ -209,27 +228,25 @@
         mActivePointerId = !remainingIdBits.isEmpty() ? remainingIdBits.firstMarkedBit() : -1;
     }
 
-    mStrategy->clearPointers(idBits);
+    for (const auto& [_, strategy] : mConfiguredStrategies) {
+        strategy->clearPointers(idBits);
+    }
 }
 
 void VelocityTracker::addMovement(nsecs_t eventTime, BitSet32 idBits,
-                                  const std::vector<VelocityTracker::Position>& positions) {
-    LOG_ALWAYS_FATAL_IF(idBits.count() != positions.size(),
-                        "Mismatching number of pointers, idBits=%" PRIu32 ", positions=%zu",
-                        idBits.count(), positions.size());
+                                  const std::map<int32_t /*axis*/, std::vector<float>>& positions) {
     while (idBits.count() > MAX_POINTERS) {
         idBits.clearLastMarkedBit();
     }
 
-    if ((mCurrentPointerIdBits.value & idBits.value)
-            && eventTime >= mLastEventTime + ASSUME_POINTER_STOPPED_TIME) {
-        if (DEBUG_VELOCITY) {
-            ALOGD("VelocityTracker: stopped for %0.3f ms, clearing state.",
-                  (eventTime - mLastEventTime) * 0.000001f);
-        }
+    if ((mCurrentPointerIdBits.value & idBits.value) &&
+        std::chrono::nanoseconds(eventTime - mLastEventTime) > ASSUME_POINTER_STOPPED_TIME) {
+        ALOGD_IF(DEBUG_VELOCITY, "VelocityTracker: stopped for %s, clearing state.",
+                 toString(std::chrono::nanoseconds(eventTime - mLastEventTime)).c_str());
+
         // We have not received any movements for too long.  Assume that all pointers
         // have stopped.
-        mStrategy->clear();
+        mConfiguredStrategies.clear();
     }
     mLastEventTime = eventTime;
 
@@ -238,29 +255,40 @@
         mActivePointerId = idBits.isEmpty() ? -1 : idBits.firstMarkedBit();
     }
 
-    mStrategy->addMovement(eventTime, idBits, positions);
+    for (const auto& [axis, positionValues] : positions) {
+        LOG_ALWAYS_FATAL_IF(idBits.count() != positionValues.size(),
+                            "Mismatching number of pointers, idBits=%" PRIu32 ", positions=%zu",
+                            idBits.count(), positionValues.size());
+        if (mConfiguredStrategies.find(axis) == mConfiguredStrategies.end()) {
+            configureStrategy(axis);
+        }
+        mConfiguredStrategies[axis]->addMovement(eventTime, idBits, positionValues);
+    }
 
     if (DEBUG_VELOCITY) {
         ALOGD("VelocityTracker: addMovement eventTime=%" PRId64
               ", idBits=0x%08x, activePointerId=%d",
               eventTime, idBits.value, mActivePointerId);
-        for (BitSet32 iterBits(idBits); !iterBits.isEmpty();) {
-            uint32_t id = iterBits.firstMarkedBit();
-            uint32_t index = idBits.getIndexOfBit(id);
-            iterBits.clearBit(id);
-            Estimator estimator;
-            getEstimator(id, &estimator);
-            ALOGD("  %d: position (%0.3f, %0.3f), "
-                  "estimator (degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f)",
-                  id, positions[index].x, positions[index].y, int(estimator.degree),
-                  vectorToString(estimator.xCoeff, estimator.degree + 1).c_str(),
-                  vectorToString(estimator.yCoeff, estimator.degree + 1).c_str(),
-                  estimator.confidence);
+        for (const auto& positionsEntry : positions) {
+            for (BitSet32 iterBits(idBits); !iterBits.isEmpty();) {
+                uint32_t id = iterBits.firstMarkedBit();
+                uint32_t index = idBits.getIndexOfBit(id);
+                iterBits.clearBit(id);
+                Estimator estimator;
+                getEstimator(positionsEntry.first, id, &estimator);
+                ALOGD("  %d: axis=%d, position=%0.3f, "
+                      "estimator (degree=%d, coeff=%s, confidence=%f)",
+                      id, positionsEntry.first, positionsEntry.second[index], int(estimator.degree),
+                      vectorToString(estimator.coeff, estimator.degree + 1).c_str(),
+                      estimator.confidence);
+            }
         }
     }
 }
 
 void VelocityTracker::addMovement(const MotionEvent* event) {
+    // Stores data about which axes to process based on the incoming motion event.
+    std::set<int32_t> axesToProcess;
     int32_t actionMasked = event->getActionMasked();
 
     switch (actionMasked) {
@@ -268,6 +296,7 @@
     case AMOTION_EVENT_ACTION_HOVER_ENTER:
         // Clear all pointers on down before adding the new movement.
         clear();
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
     case AMOTION_EVENT_ACTION_POINTER_DOWN: {
         // Start a new movement trace for a pointer that just went down.
@@ -276,13 +305,27 @@
         BitSet32 downIdBits;
         downIdBits.markBit(event->getPointerId(event->getActionIndex()));
         clearPointers(downIdBits);
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
     }
     case AMOTION_EVENT_ACTION_MOVE:
     case AMOTION_EVENT_ACTION_HOVER_MOVE:
+        axesToProcess.insert(PLANAR_AXES.begin(), PLANAR_AXES.end());
         break;
-    default:
-        // Ignore all other actions because they do not convey any new information about
+    case AMOTION_EVENT_ACTION_POINTER_UP:
+    case AMOTION_EVENT_ACTION_UP: {
+        std::chrono::nanoseconds delaySinceLastEvent(event->getEventTime() - mLastEventTime);
+        if (delaySinceLastEvent > ASSUME_POINTER_STOPPED_TIME) {
+            ALOGD_IF(DEBUG_VELOCITY,
+                     "VelocityTracker: stopped for %s, clearing state upon pointer liftoff.",
+                     toString(delaySinceLastEvent).c_str());
+            // We have not received any movements for too long.  Assume that all pointers
+            // have stopped.
+            for (int32_t axis : PLANAR_AXES) {
+                mConfiguredStrategies.erase(axis);
+            }
+        }
+        // These actions because they do not convey any new information about
         // pointer movement.  We also want to preserve the last known velocity of the pointers.
         // Note that ACTION_UP and ACTION_POINTER_UP always report the last known position
         // of the pointers that went up.  ACTION_POINTER_UP does include the new position of
@@ -292,6 +335,13 @@
         // before adding the movement.
         return;
     }
+    case AMOTION_EVENT_ACTION_SCROLL:
+        axesToProcess.insert(AMOTION_EVENT_AXIS_SCROLL);
+        break;
+    default:
+        // Ignore all other actions.
+        return;
+    }
 
     size_t pointerCount = event->getPointerCount();
     if (pointerCount > MAX_POINTERS) {
@@ -308,62 +358,74 @@
         pointerIndex[i] = idBits.getIndexOfBit(event->getPointerId(i));
     }
 
-    std::vector<Position> positions;
-    positions.resize(pointerCount);
+    std::map<int32_t, std::vector<float>> positions;
+    for (int32_t axis : axesToProcess) {
+        positions[axis].resize(pointerCount);
+    }
 
     size_t historySize = event->getHistorySize();
     for (size_t h = 0; h <= historySize; h++) {
         nsecs_t eventTime = event->getHistoricalEventTime(h);
-        for (size_t i = 0; i < pointerCount; i++) {
-            uint32_t index = pointerIndex[i];
-            positions[index].x = event->getHistoricalX(i, h);
-            positions[index].y = event->getHistoricalY(i, h);
+        for (int32_t axis : axesToProcess) {
+            for (size_t i = 0; i < pointerCount; i++) {
+                positions[axis][pointerIndex[i]] = event->getHistoricalAxisValue(axis, i, h);
+            }
         }
         addMovement(eventTime, idBits, positions);
     }
 }
 
-bool VelocityTracker::getVelocity(uint32_t id, float* outVx, float* outVy) const {
+std::optional<float> VelocityTracker::getVelocity(int32_t axis, uint32_t id) const {
     Estimator estimator;
-    if (getEstimator(id, &estimator) && estimator.degree >= 1) {
-        *outVx = estimator.xCoeff[1];
-        *outVy = estimator.yCoeff[1];
-        return true;
+    bool validVelocity = getEstimator(axis, id, &estimator) && estimator.degree >= 1;
+    if (validVelocity) {
+        return estimator.coeff[1];
     }
-    *outVx = 0;
-    *outVy = 0;
-    return false;
+    return {};
 }
 
-bool VelocityTracker::getEstimator(uint32_t id, Estimator* outEstimator) const {
-    return mStrategy->getEstimator(id, outEstimator);
+VelocityTracker::ComputedVelocity VelocityTracker::getComputedVelocity(int32_t units,
+                                                                       float maxVelocity) {
+    ComputedVelocity computedVelocity;
+    for (const auto& [axis, _] : mConfiguredStrategies) {
+        BitSet32 copyIdBits = BitSet32(mCurrentPointerIdBits);
+        while (!copyIdBits.isEmpty()) {
+            uint32_t id = copyIdBits.clearFirstMarkedBit();
+            std::optional<float> velocity = getVelocity(axis, id);
+            if (velocity) {
+                float adjustedVelocity =
+                        std::clamp(*velocity * units / 1000, -maxVelocity, maxVelocity);
+                computedVelocity.addVelocity(axis, id, adjustedVelocity);
+            }
+        }
+    }
+    return computedVelocity;
 }
 
+bool VelocityTracker::getEstimator(int32_t axis, uint32_t id, Estimator* outEstimator) const {
+    const auto& it = mConfiguredStrategies.find(axis);
+    if (it == mConfiguredStrategies.end()) {
+        return false;
+    }
+    return it->second->getEstimator(id, outEstimator);
+}
 
 // --- LeastSquaresVelocityTrackerStrategy ---
 
-LeastSquaresVelocityTrackerStrategy::LeastSquaresVelocityTrackerStrategy(
-        uint32_t degree, Weighting weighting) :
-        mDegree(degree), mWeighting(weighting) {
-    clear();
-}
+LeastSquaresVelocityTrackerStrategy::LeastSquaresVelocityTrackerStrategy(uint32_t degree,
+                                                                         Weighting weighting)
+      : mDegree(degree), mWeighting(weighting), mIndex(0) {}
 
 LeastSquaresVelocityTrackerStrategy::~LeastSquaresVelocityTrackerStrategy() {
 }
 
-void LeastSquaresVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void LeastSquaresVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void LeastSquaresVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void LeastSquaresVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                      const std::vector<float>& positions) {
     if (mMovements[mIndex].eventTime != eventTime) {
         // When ACTION_POINTER_DOWN happens, we will first receive ACTION_MOVE with the coordinates
         // of the existing pointers, and then ACTION_POINTER_DOWN with the coordinates that include
@@ -438,10 +500,10 @@
 static bool solveLeastSquares(const std::vector<float>& x, const std::vector<float>& y,
                               const std::vector<float>& w, uint32_t n, float* outB, float* outDet) {
     const size_t m = x.size();
-    if (DEBUG_STRATEGY) {
-        ALOGD("solveLeastSquares: m=%d, n=%d, x=%s, y=%s, w=%s", int(m), int(n),
-              vectorToString(x).c_str(), vectorToString(y).c_str(), vectorToString(w).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "solveLeastSquares: m=%d, n=%d, x=%s, y=%s, w=%s", int(m), int(n),
+             vectorToString(x).c_str(), vectorToString(y).c_str(), vectorToString(w).c_str());
+
     LOG_ALWAYS_FATAL_IF(m != y.size() || m != w.size(), "Mismatched vector sizes");
 
     // Expand the X vector to a matrix A, pre-multiplied by the weights.
@@ -452,9 +514,9 @@
             a[i][h] = a[i - 1][h] * x[h];
         }
     }
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - a=%s", matrixToString(&a[0][0], m, n, false /*rowMajor*/).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - a=%s",
+             matrixToString(&a[0][0], m, n, false /*rowMajor*/).c_str());
 
     // Apply the Gram-Schmidt process to A to obtain its QR decomposition.
     float q[n][m]; // orthonormal basis, column-major order
@@ -473,9 +535,7 @@
         float norm = vectorNorm(&q[j][0], m);
         if (norm < 0.000001f) {
             // vectors are linearly dependent or zero so no solution
-            if (DEBUG_STRATEGY) {
-                ALOGD("  - no solution, norm=%f", norm);
-            }
+            ALOGD_IF(DEBUG_STRATEGY, "  - no solution, norm=%f", norm);
             return false;
         }
 
@@ -518,9 +578,8 @@
         }
         outB[i] /= r[i][i];
     }
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - b=%s", vectorToString(outB, n).c_str());
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - b=%s", vectorToString(outB, n).c_str());
 
     // Calculate the coefficient of determination as 1 - (SSerr / SStot) where
     // SSerr is the residual sum of squares (variance of the error),
@@ -546,11 +605,11 @@
         sstot += w[h] * w[h] * var * var;
     }
     *outDet = sstot > 0.000001f ? 1.0f - (sserr / sstot) : 1;
-    if (DEBUG_STRATEGY) {
-        ALOGD("  - sserr=%f", sserr);
-        ALOGD("  - sstot=%f", sstot);
-        ALOGD("  - det=%f", *outDet);
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "  - sserr=%f", sserr);
+    ALOGD_IF(DEBUG_STRATEGY, "  - sstot=%f", sstot);
+    ALOGD_IF(DEBUG_STRATEGY, "  - det=%f", *outDet);
+
     return true;
 }
 
@@ -613,8 +672,7 @@
     outEstimator->clear();
 
     // Iterate over movement samples in reverse time order and collect samples.
-    std::vector<float> x;
-    std::vector<float> y;
+    std::vector<float> positions;
     std::vector<float> w;
     std::vector<float> time;
 
@@ -631,15 +689,13 @@
             break;
         }
 
-        const VelocityTracker::Position& position = movement.getPosition(id);
-        x.push_back(position.x);
-        y.push_back(position.y);
+        positions.push_back(movement.getPosition(id));
         w.push_back(chooseWeight(index));
         time.push_back(-age * 0.000000001f);
         index = (index == 0 ? HISTORY_SIZE : index) - 1;
-    } while (x.size() < HISTORY_SIZE);
+    } while (positions.size() < HISTORY_SIZE);
 
-    const size_t m = x.size();
+    const size_t m = positions.size();
     if (m == 0) {
         return false; // no data
     }
@@ -652,39 +708,36 @@
 
     if (degree == 2 && mWeighting == WEIGHTING_NONE) {
         // Optimize unweighted, quadratic polynomial fit
-        std::optional<std::array<float, 3>> xCoeff = solveUnweightedLeastSquaresDeg2(time, x);
-        std::optional<std::array<float, 3>> yCoeff = solveUnweightedLeastSquaresDeg2(time, y);
-        if (xCoeff && yCoeff) {
+        std::optional<std::array<float, 3>> coeff =
+                solveUnweightedLeastSquaresDeg2(time, positions);
+        if (coeff) {
             outEstimator->time = newestMovement.eventTime;
             outEstimator->degree = 2;
             outEstimator->confidence = 1;
             for (size_t i = 0; i <= outEstimator->degree; i++) {
-                outEstimator->xCoeff[i] = (*xCoeff)[i];
-                outEstimator->yCoeff[i] = (*yCoeff)[i];
+                outEstimator->coeff[i] = (*coeff)[i];
             }
             return true;
         }
     } else if (degree >= 1) {
         // General case for an Nth degree polynomial fit
-        float xdet, ydet;
+        float det;
         uint32_t n = degree + 1;
-        if (solveLeastSquares(time, x, w, n, outEstimator->xCoeff, &xdet) &&
-            solveLeastSquares(time, y, w, n, outEstimator->yCoeff, &ydet)) {
+        if (solveLeastSquares(time, positions, w, n, outEstimator->coeff, &det)) {
             outEstimator->time = newestMovement.eventTime;
             outEstimator->degree = degree;
-            outEstimator->confidence = xdet * ydet;
-            if (DEBUG_STRATEGY) {
-                ALOGD("estimate: degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f",
-                      int(outEstimator->degree), vectorToString(outEstimator->xCoeff, n).c_str(),
-                      vectorToString(outEstimator->yCoeff, n).c_str(), outEstimator->confidence);
-            }
+            outEstimator->confidence = det;
+
+            ALOGD_IF(DEBUG_STRATEGY, "estimate: degree=%d, coeff=%s, confidence=%f",
+                     int(outEstimator->degree), vectorToString(outEstimator->coeff, n).c_str(),
+                     outEstimator->confidence);
+
             return true;
         }
     }
 
     // No velocity data available for this pointer, but we do have its current position.
-    outEstimator->xCoeff[0] = x[0];
-    outEstimator->yCoeff[0] = y[0];
+    outEstimator->coeff[0] = positions[0];
     outEstimator->time = newestMovement.eventTime;
     outEstimator->degree = 0;
     outEstimator->confidence = 1;
@@ -768,26 +821,21 @@
 IntegratingVelocityTrackerStrategy::~IntegratingVelocityTrackerStrategy() {
 }
 
-void IntegratingVelocityTrackerStrategy::clear() {
-    mPointerIdBits.clear();
-}
-
 void IntegratingVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     mPointerIdBits.value &= ~idBits.value;
 }
 
-void IntegratingVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void IntegratingVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                     const std::vector<float>& positions) {
     uint32_t index = 0;
     for (BitSet32 iterIdBits(idBits); !iterIdBits.isEmpty();) {
         uint32_t id = iterIdBits.clearFirstMarkedBit();
         State& state = mPointerState[id];
-        const VelocityTracker::Position& position = positions[index++];
+        const float position = positions[index++];
         if (mPointerIdBits.hasBit(id)) {
-            updateState(state, eventTime, position.x, position.y);
+            updateState(state, eventTime, position);
         } else {
-            initState(state, eventTime, position.x, position.y);
+            initState(state, eventTime, position);
         }
     }
 
@@ -807,21 +855,18 @@
     return false;
 }
 
-void IntegratingVelocityTrackerStrategy::initState(State& state,
-        nsecs_t eventTime, float xpos, float ypos) const {
+void IntegratingVelocityTrackerStrategy::initState(State& state, nsecs_t eventTime,
+                                                   float pos) const {
     state.updateTime = eventTime;
     state.degree = 0;
 
-    state.xpos = xpos;
-    state.xvel = 0;
-    state.xaccel = 0;
-    state.ypos = ypos;
-    state.yvel = 0;
-    state.yaccel = 0;
+    state.pos = pos;
+    state.accel = 0;
+    state.vel = 0;
 }
 
-void IntegratingVelocityTrackerStrategy::updateState(State& state,
-        nsecs_t eventTime, float xpos, float ypos) const {
+void IntegratingVelocityTrackerStrategy::updateState(State& state, nsecs_t eventTime,
+                                                     float pos) const {
     const nsecs_t MIN_TIME_DELTA = 2 * NANOS_PER_MS;
     const float FILTER_TIME_CONSTANT = 0.010f; // 10 milliseconds
 
@@ -832,34 +877,26 @@
     float dt = (eventTime - state.updateTime) * 0.000000001f;
     state.updateTime = eventTime;
 
-    float xvel = (xpos - state.xpos) / dt;
-    float yvel = (ypos - state.ypos) / dt;
+    float vel = (pos - state.pos) / dt;
     if (state.degree == 0) {
-        state.xvel = xvel;
-        state.yvel = yvel;
+        state.vel = vel;
         state.degree = 1;
     } else {
         float alpha = dt / (FILTER_TIME_CONSTANT + dt);
         if (mDegree == 1) {
-            state.xvel += (xvel - state.xvel) * alpha;
-            state.yvel += (yvel - state.yvel) * alpha;
+            state.vel += (vel - state.vel) * alpha;
         } else {
-            float xaccel = (xvel - state.xvel) / dt;
-            float yaccel = (yvel - state.yvel) / dt;
+            float accel = (vel - state.vel) / dt;
             if (state.degree == 1) {
-                state.xaccel = xaccel;
-                state.yaccel = yaccel;
+                state.accel = accel;
                 state.degree = 2;
             } else {
-                state.xaccel += (xaccel - state.xaccel) * alpha;
-                state.yaccel += (yaccel - state.yaccel) * alpha;
+                state.accel += (accel - state.accel) * alpha;
             }
-            state.xvel += (state.xaccel * dt) * alpha;
-            state.yvel += (state.yaccel * dt) * alpha;
+            state.vel += (state.accel * dt) * alpha;
         }
     }
-    state.xpos = xpos;
-    state.ypos = ypos;
+    state.pos = pos;
 }
 
 void IntegratingVelocityTrackerStrategy::populateEstimator(const State& state,
@@ -867,37 +904,26 @@
     outEstimator->time = state.updateTime;
     outEstimator->confidence = 1.0f;
     outEstimator->degree = state.degree;
-    outEstimator->xCoeff[0] = state.xpos;
-    outEstimator->xCoeff[1] = state.xvel;
-    outEstimator->xCoeff[2] = state.xaccel / 2;
-    outEstimator->yCoeff[0] = state.ypos;
-    outEstimator->yCoeff[1] = state.yvel;
-    outEstimator->yCoeff[2] = state.yaccel / 2;
+    outEstimator->coeff[0] = state.pos;
+    outEstimator->coeff[1] = state.vel;
+    outEstimator->coeff[2] = state.accel / 2;
 }
 
 
 // --- LegacyVelocityTrackerStrategy ---
 
-LegacyVelocityTrackerStrategy::LegacyVelocityTrackerStrategy() {
-    clear();
-}
+LegacyVelocityTrackerStrategy::LegacyVelocityTrackerStrategy() : mIndex(0) {}
 
 LegacyVelocityTrackerStrategy::~LegacyVelocityTrackerStrategy() {
 }
 
-void LegacyVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void LegacyVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void LegacyVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void LegacyVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                const std::vector<float>& positions) {
     if (++mIndex == HISTORY_SIZE) {
         mIndex = 0;
     }
@@ -945,12 +971,11 @@
     // overestimate the velocity at that time point.  Most samples might be measured
     // 16ms apart but some consecutive samples could be only 0.5sm apart because
     // the hardware or driver reports them irregularly or in bursts.
-    float accumVx = 0;
-    float accumVy = 0;
+    float accumV = 0;
     uint32_t index = oldestIndex;
     uint32_t samplesUsed = 0;
     const Movement& oldestMovement = mMovements[oldestIndex];
-    const VelocityTracker::Position& oldestPosition = oldestMovement.getPosition(id);
+    float oldestPosition = oldestMovement.getPosition(id);
     nsecs_t lastDuration = 0;
 
     while (numTouches-- > 1) {
@@ -964,26 +989,22 @@
         // the velocity.  Consequently, we impose a minimum duration constraint on the
         // samples that we include in the calculation.
         if (duration >= MIN_DURATION) {
-            const VelocityTracker::Position& position = movement.getPosition(id);
+            float position = movement.getPosition(id);
             float scale = 1000000000.0f / duration; // one over time delta in seconds
-            float vx = (position.x - oldestPosition.x) * scale;
-            float vy = (position.y - oldestPosition.y) * scale;
-            accumVx = (accumVx * lastDuration + vx * duration) / (duration + lastDuration);
-            accumVy = (accumVy * lastDuration + vy * duration) / (duration + lastDuration);
+            float v = (position - oldestPosition) * scale;
+            accumV = (accumV * lastDuration + v * duration) / (duration + lastDuration);
             lastDuration = duration;
             samplesUsed += 1;
         }
     }
 
     // Report velocity.
-    const VelocityTracker::Position& newestPosition = newestMovement.getPosition(id);
+    float newestPosition = newestMovement.getPosition(id);
     outEstimator->time = newestMovement.eventTime;
     outEstimator->confidence = 1;
-    outEstimator->xCoeff[0] = newestPosition.x;
-    outEstimator->yCoeff[0] = newestPosition.y;
+    outEstimator->coeff[0] = newestPosition;
     if (samplesUsed) {
-        outEstimator->xCoeff[1] = accumVx;
-        outEstimator->yCoeff[1] = accumVy;
+        outEstimator->coeff[1] = accumV;
         outEstimator->degree = 1;
     } else {
         outEstimator->degree = 0;
@@ -993,26 +1014,19 @@
 
 // --- ImpulseVelocityTrackerStrategy ---
 
-ImpulseVelocityTrackerStrategy::ImpulseVelocityTrackerStrategy() {
-    clear();
-}
+ImpulseVelocityTrackerStrategy::ImpulseVelocityTrackerStrategy(bool deltaValues)
+      : mDeltaValues(deltaValues), mIndex(0) {}
 
 ImpulseVelocityTrackerStrategy::~ImpulseVelocityTrackerStrategy() {
 }
 
-void ImpulseVelocityTrackerStrategy::clear() {
-    mIndex = 0;
-    mMovements[0].idBits.clear();
-}
-
 void ImpulseVelocityTrackerStrategy::clearPointers(BitSet32 idBits) {
     BitSet32 remainingIdBits(mMovements[mIndex].idBits.value & ~idBits.value);
     mMovements[mIndex].idBits = remainingIdBits;
 }
 
-void ImpulseVelocityTrackerStrategy::addMovement(
-        nsecs_t eventTime, BitSet32 idBits,
-        const std::vector<VelocityTracker::Position>& positions) {
+void ImpulseVelocityTrackerStrategy::addMovement(nsecs_t eventTime, BitSet32 idBits,
+                                                 const std::vector<float>& positions) {
     if (mMovements[mIndex].eventTime != eventTime) {
         // When ACTION_POINTER_DOWN happens, we will first receive ACTION_MOVE with the coordinates
         // of the existing pointers, and then ACTION_POINTER_DOWN with the coordinates that include
@@ -1109,7 +1123,8 @@
     return (work < 0 ? -1.0 : 1.0) * sqrtf(fabsf(work)) * sqrt2;
 }
 
-static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t count) {
+static float calculateImpulseVelocity(const nsecs_t* t, const float* x, size_t count,
+                                      bool deltaValues) {
     // The input should be in reversed time order (most recent sample at index i=0)
     // t[i] is in nanoseconds, but due to FP arithmetic, convert to seconds inside this function
     static constexpr float SECONDS_PER_NANO = 1E-9;
@@ -1120,12 +1135,26 @@
     if (t[1] > t[0]) { // Algorithm will still work, but not perfectly
         ALOGE("Samples provided to calculateImpulseVelocity in the wrong order");
     }
+
+    // If the data values are delta values, we do not have to calculate deltas here.
+    // We can use the delta values directly, along with the calculated time deltas.
+    // Since the data value input is in reversed time order:
+    //      [a] for non-delta inputs, instantenous velocity = (x[i] - x[i-1])/(t[i] - t[i-1])
+    //      [b] for delta inputs, instantenous velocity = -x[i-1]/(t[i] - t[i - 1])
+    // e.g., let the non-delta values are: V = [2, 3, 7], the equivalent deltas are D = [2, 1, 4].
+    // Since the input is in reversed time order, the input values for this function would be
+    // V'=[7, 3, 2] and D'=[4, 1, 2] for the non-delta and delta values, respectively.
+    //
+    // The equivalent of {(V'[2] - V'[1]) = 2 - 3 = -1} would be {-D'[1] = -1}
+    // Similarly, the equivalent of {(V'[1] - V'[0]) = 3 - 7 = -4} would be {-D'[0] = -4}
+
     if (count == 2) { // if 2 points, basic linear calculation
         if (t[1] == t[0]) {
             ALOGE("Events have identical time stamps t=%" PRId64 ", setting velocity = 0", t[0]);
             return 0;
         }
-        return (x[1] - x[0]) / (SECONDS_PER_NANO * (t[1] - t[0]));
+        const float deltaX = deltaValues ? -x[0] : x[1] - x[0];
+        return deltaX / (SECONDS_PER_NANO * (t[1] - t[0]));
     }
     // Guaranteed to have at least 3 points here
     float work = 0;
@@ -1135,7 +1164,8 @@
             continue;
         }
         float vprev = kineticEnergyToVelocity(work); // v[i-1]
-        float vcurr = (x[i] - x[i-1]) / (SECONDS_PER_NANO * (t[i] - t[i-1])); // v[i]
+        const float deltaX = deltaValues ? -x[i-1] : x[i] - x[i-1];
+        float vcurr = deltaX / (SECONDS_PER_NANO * (t[i] - t[i-1])); // v[i]
         work += (vcurr - vprev) * fabsf(vcurr);
         if (i == count - 1) {
             work *= 0.5; // initial condition, case 2) above
@@ -1149,8 +1179,7 @@
     outEstimator->clear();
 
     // Iterate over movement samples in reverse time order and collect samples.
-    float x[HISTORY_SIZE];
-    float y[HISTORY_SIZE];
+    float positions[HISTORY_SIZE];
     nsecs_t time[HISTORY_SIZE];
     size_t m = 0; // number of points that will be used for fitting
     size_t index = mIndex;
@@ -1166,9 +1195,7 @@
             break;
         }
 
-        const VelocityTracker::Position& position = movement.getPosition(id);
-        x[m] = position.x;
-        y[m] = position.y;
+        positions[m] = movement.getPosition(id);
         time[m] = movement.eventTime;
         index = (index == 0 ? HISTORY_SIZE : index) - 1;
     } while (++m < HISTORY_SIZE);
@@ -1176,32 +1203,30 @@
     if (m == 0) {
         return false; // no data
     }
-    outEstimator->xCoeff[0] = 0;
-    outEstimator->yCoeff[0] = 0;
-    outEstimator->xCoeff[1] = calculateImpulseVelocity(time, x, m);
-    outEstimator->yCoeff[1] = calculateImpulseVelocity(time, y, m);
-    outEstimator->xCoeff[2] = 0;
-    outEstimator->yCoeff[2] = 0;
+    outEstimator->coeff[0] = 0;
+    outEstimator->coeff[1] = calculateImpulseVelocity(time, positions, m, mDeltaValues);
+    outEstimator->coeff[2] = 0;
+
     outEstimator->time = newestMovement.eventTime;
     outEstimator->degree = 2; // similar results to 2nd degree fit
     outEstimator->confidence = 1;
-    if (DEBUG_STRATEGY) {
-        ALOGD("velocity: (%.1f, %.1f)", outEstimator->xCoeff[1], outEstimator->yCoeff[1]);
-    }
+
+    ALOGD_IF(DEBUG_STRATEGY, "velocity: %.1f", outEstimator->coeff[1]);
+
     if (DEBUG_IMPULSE) {
         // TODO(b/134179997): delete this block once the switch to 'impulse' is complete.
-        // Calculate the lsq2 velocity for the same inputs to allow runtime comparisons
+        // Calculate the lsq2 velocity for the same inputs to allow runtime comparisons.
+        // X axis chosen arbitrarily for velocity comparisons.
         VelocityTracker lsq2(VelocityTracker::Strategy::LSQ2);
         BitSet32 idBits;
         const uint32_t pointerId = 0;
         idBits.markBit(pointerId);
         for (ssize_t i = m - 1; i >= 0; i--) {
-            lsq2.addMovement(time[i], idBits, {{x[i], y[i]}});
+            lsq2.addMovement(time[i], idBits, {{AMOTION_EVENT_AXIS_X, {positions[i]}}});
         }
-        float outVx = 0, outVy = 0;
-        const bool computed = lsq2.getVelocity(pointerId, &outVx, &outVy);
-        if (computed) {
-            ALOGD("lsq2 velocity: (%.1f, %.1f)", outVx, outVy);
+        std::optional<float> v = lsq2.getVelocity(AMOTION_EVENT_AXIS_X, pointerId);
+        if (v) {
+            ALOGD("lsq2 velocity: %.1f", *v);
         } else {
             ALOGD("lsq2 velocity: could not compute velocity");
         }
diff --git a/libs/input/android/hardware/input/InputDeviceCountryCode.aidl b/libs/input/android/hardware/input/InputDeviceCountryCode.aidl
new file mode 100644
index 0000000..6bb1a60
--- /dev/null
+++ b/libs/input/android/hardware/input/InputDeviceCountryCode.aidl
@@ -0,0 +1,212 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.input;
+
+/**
+ * Constant for HID country code declared by a HID device. These constants are declared as AIDL to
+ * be used by java and native input code.
+ *
+ * @hide
+ */
+@Backing(type="int")
+enum InputDeviceCountryCode {
+    /**
+     * Used as default value where country code is not set in the device HID descriptor
+     */
+    INVALID = -1,
+
+    /**
+     * Used as default value when country code is not supported by the HID device. The HID
+     * descriptor sets "00" as the country code in this case.
+     */
+    NOT_SUPPORTED = 0,
+
+    /**
+     * Arabic
+     */
+    ARABIC = 1,
+
+    /**
+     * Belgian
+     */
+    BELGIAN = 2,
+
+    /**
+     * Canadian (Bilingual)
+     */
+    CANADIAN_BILINGUAL = 3,
+
+    /**
+     * Canadian (French)
+     */
+    CANADIAN_FRENCH = 4,
+
+    /**
+     * Czech Republic
+     */
+    CZECH_REPUBLIC = 5,
+
+    /**
+     * Danish
+     */
+    DANISH = 6,
+
+    /**
+     * Finnish
+     */
+    FINNISH = 7,
+
+    /**
+     * French
+     */
+    FRENCH = 8,
+
+    /**
+     * German
+     */
+    GERMAN = 9,
+
+    /**
+     * Greek
+     */
+    GREEK = 10,
+
+    /**
+     * Hebrew
+     */
+    HEBREW = 11,
+
+    /**
+     * Hungary
+     */
+    HUNGARY = 12,
+
+    /**
+     * International (ISO)
+     */
+    INTERNATIONAL = 13,
+
+    /**
+     * Italian
+     */
+    ITALIAN = 14,
+
+    /**
+     * Japan (Katakana)
+     */
+    JAPAN = 15,
+
+    /**
+     * Korean
+     */
+    KOREAN = 16,
+
+    /**
+     * Latin American
+     */
+    LATIN_AMERICAN = 17,
+
+    /**
+     * Netherlands (Dutch)
+     */
+    DUTCH = 18,
+
+    /**
+     * Norwegian
+     */
+    NORWEGIAN = 19,
+
+    /**
+     * Persian
+     */
+    PERSIAN = 20,
+
+    /**
+     * Poland
+     */
+    POLAND = 21,
+
+    /**
+     * Portuguese
+     */
+    PORTUGUESE = 22,
+
+    /**
+     * Russia
+     */
+    RUSSIA = 23,
+
+    /**
+     * Slovakia
+     */
+    SLOVAKIA = 24,
+
+    /**
+     * Spanish
+     */
+    SPANISH = 25,
+
+    /**
+     * Swedish
+     */
+    SWEDISH = 26,
+
+    /**
+     * Swiss (French)
+     */
+    SWISS_FRENCH = 27,
+
+    /**
+     * Swiss (German)
+     */
+    SWISS_GERMAN = 28,
+
+    /**
+     * Switzerland
+     */
+    SWITZERLAND = 29,
+
+    /**
+     * Taiwan
+     */
+    TAIWAN = 30,
+
+    /**
+     * Turkish_Q
+     */
+    TURKISH_Q = 31,
+
+    /**
+     * UK
+     */
+    UK = 32,
+
+    /**
+     * US
+     */
+    US = 33,
+
+    /**
+     * Yugoslavia
+     */
+    YUGOSLAVIA = 34,
+
+    /**
+     * Turkish_F
+     */
+    TURKISH_F = 35,
+}
\ No newline at end of file
diff --git a/libs/input/android/os/InputConfig.aidl b/libs/input/android/os/InputConfig.aidl
index 6d1b396..4e644ff 100644
--- a/libs/input/android/os/InputConfig.aidl
+++ b/libs/input/android/os/InputConfig.aidl
@@ -144,4 +144,10 @@
      * It is not valid to set this configuration if {@link #TRUSTED_OVERLAY} is not set.
      */
     INTERCEPTS_STYLUS            = 1 << 15,
+
+    /**
+     * The window is a clone of another window. This may be treated differently since there's
+     * likely a duplicate window with the same client token, but different bounds.
+     */
+    CLONE                        = 1 << 16,
 }
diff --git a/libs/input/tests/Android.bp b/libs/input/tests/Android.bp
index d947cd9..c53811a 100644
--- a/libs/input/tests/Android.bp
+++ b/libs/input/tests/Android.bp
@@ -16,6 +16,7 @@
         "InputDevice_test.cpp",
         "InputEvent_test.cpp",
         "InputPublisherAndConsumer_test.cpp",
+        "TouchResampling_test.cpp",
         "TouchVideoFrame_test.cpp",
         "VelocityTracker_test.cpp",
         "VerifiedInputEvent_test.cpp",
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 05bc0bc..70e4fda 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -16,17 +16,10 @@
 
 #include "TestHelpers.h"
 
-#include <unistd.h>
-#include <sys/mman.h>
-#include <time.h>
-
 #include <attestation/HmacKeyManager.h>
-#include <cutils/ashmem.h>
 #include <gtest/gtest.h>
 #include <gui/constants.h>
 #include <input/InputTransport.h>
-#include <utils/StopWatch.h>
-#include <utils/Timers.h>
 
 using android::base::Result;
 
diff --git a/libs/input/tests/TouchResampling_test.cpp b/libs/input/tests/TouchResampling_test.cpp
new file mode 100644
index 0000000..c09a8e9
--- /dev/null
+++ b/libs/input/tests/TouchResampling_test.cpp
@@ -0,0 +1,562 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TestHelpers.h"
+
+#include <chrono>
+#include <vector>
+
+#include <attestation/HmacKeyManager.h>
+#include <gtest/gtest.h>
+#include <input/InputTransport.h>
+
+using namespace std::chrono_literals;
+
+namespace android {
+
+struct Pointer {
+    int32_t id;
+    float x;
+    float y;
+};
+
+struct InputEventEntry {
+    std::chrono::nanoseconds eventTime;
+    std::vector<Pointer> pointers;
+    int32_t action;
+};
+
+class TouchResamplingTest : public testing::Test {
+protected:
+    std::unique_ptr<InputPublisher> mPublisher;
+    std::unique_ptr<InputConsumer> mConsumer;
+    PreallocatedInputEventFactory mEventFactory;
+
+    uint32_t mSeq = 1;
+
+    void SetUp() override {
+        std::unique_ptr<InputChannel> serverChannel, clientChannel;
+        status_t result =
+                InputChannel::openInputChannelPair("channel name", serverChannel, clientChannel);
+        ASSERT_EQ(OK, result);
+
+        mPublisher = std::make_unique<InputPublisher>(std::move(serverChannel));
+        mConsumer = std::make_unique<InputConsumer>(std::move(clientChannel),
+                                                    true /* enableTouchResampling */);
+    }
+
+    status_t publishSimpleMotionEventWithCoords(int32_t action, nsecs_t eventTime,
+                                                const std::vector<PointerProperties>& properties,
+                                                const std::vector<PointerCoords>& coords);
+    void publishSimpleMotionEvent(int32_t action, nsecs_t eventTime,
+                                  const std::vector<Pointer>& pointers);
+    void publishInputEventEntries(const std::vector<InputEventEntry>& entries);
+    void consumeInputEventEntries(const std::vector<InputEventEntry>& entries,
+                                  std::chrono::nanoseconds frameTime);
+    void receiveResponseUntilSequence(uint32_t seq);
+};
+
+status_t TouchResamplingTest::publishSimpleMotionEventWithCoords(
+        int32_t action, nsecs_t eventTime, const std::vector<PointerProperties>& properties,
+        const std::vector<PointerCoords>& coords) {
+    const ui::Transform identityTransform;
+    const nsecs_t downTime = 0;
+
+    if (action == AMOTION_EVENT_ACTION_DOWN && eventTime != 0) {
+        ADD_FAILURE() << "Downtime should be equal to 0 (hardcoded for convenience)";
+    }
+    return mPublisher->publishMotionEvent(mSeq++, InputEvent::nextId(), 1 /*deviceId*/,
+                                          AINPUT_SOURCE_TOUCHSCREEN, 0 /*displayId*/, INVALID_HMAC,
+                                          action, 0 /*actionButton*/, 0 /*flags*/, 0 /*edgeFlags*/,
+                                          AMETA_NONE, 0 /*buttonState*/, MotionClassification::NONE,
+                                          identityTransform, 0 /*xPrecision*/, 0 /*yPrecision*/,
+                                          AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                          AMOTION_EVENT_INVALID_CURSOR_POSITION, identityTransform,
+                                          downTime, eventTime, properties.size(), properties.data(),
+                                          coords.data());
+}
+
+void TouchResamplingTest::publishSimpleMotionEvent(int32_t action, nsecs_t eventTime,
+                                                   const std::vector<Pointer>& pointers) {
+    std::vector<PointerProperties> properties;
+    std::vector<PointerCoords> coords;
+
+    for (const Pointer& pointer : pointers) {
+        properties.push_back({});
+        properties.back().clear();
+        properties.back().id = pointer.id;
+        properties.back().toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+        coords.push_back({});
+        coords.back().clear();
+        coords.back().setAxisValue(AMOTION_EVENT_AXIS_X, pointer.x);
+        coords.back().setAxisValue(AMOTION_EVENT_AXIS_Y, pointer.y);
+    }
+
+    status_t result = publishSimpleMotionEventWithCoords(action, eventTime, properties, coords);
+    ASSERT_EQ(OK, result);
+}
+
+/**
+ * Each entry is published separately, one entry at a time. As a result, action is used here
+ * on a per-entry basis.
+ */
+void TouchResamplingTest::publishInputEventEntries(const std::vector<InputEventEntry>& entries) {
+    for (const InputEventEntry& entry : entries) {
+        publishSimpleMotionEvent(entry.action, entry.eventTime.count(), entry.pointers);
+    }
+}
+
+/**
+ * Inside the publisher, read responses repeatedly until the desired sequence number is returned.
+ *
+ * Sometimes, when you call 'sendFinishedSignal', you would be finishing a batch which is comprised
+ * of several input events. As a result, consumer will generate multiple 'finish' signals on your
+ * behalf.
+ *
+ * In this function, we call 'receiveConsumerResponse' in a loop until the desired sequence number
+ * is returned.
+ */
+void TouchResamplingTest::receiveResponseUntilSequence(uint32_t seq) {
+    size_t consumedEvents = 0;
+    while (consumedEvents < 100) {
+        android::base::Result<InputPublisher::ConsumerResponse> response =
+                mPublisher->receiveConsumerResponse();
+        ASSERT_TRUE(response.ok());
+        ASSERT_TRUE(std::holds_alternative<InputPublisher::Finished>(*response));
+        const InputPublisher::Finished& finish = std::get<InputPublisher::Finished>(*response);
+        ASSERT_TRUE(finish.handled)
+                << "publisher receiveFinishedSignal should have set handled to consumer's reply";
+        if (finish.seq == seq) {
+            return;
+        }
+        consumedEvents++;
+    }
+    FAIL() << "Got " << consumedEvents << "events, but still no event with seq=" << seq;
+}
+
+/**
+ * All entries are compared against a single MotionEvent, but the same data structure
+ * InputEventEntry is used here for simpler code. As a result, the entire array of InputEventEntry
+ * must contain identical values for the action field.
+ */
+void TouchResamplingTest::consumeInputEventEntries(const std::vector<InputEventEntry>& entries,
+                                                   std::chrono::nanoseconds frameTime) {
+    ASSERT_GE(entries.size(), 1U) << "Must have at least 1 InputEventEntry to compare against";
+
+    uint32_t consumeSeq;
+    InputEvent* event;
+
+    status_t status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, frameTime.count(),
+                                         &consumeSeq, &event);
+    ASSERT_EQ(OK, status);
+    MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
+
+    ASSERT_EQ(entries.size() - 1, motionEvent->getHistorySize());
+    for (size_t i = 0; i < entries.size(); i++) { // most recent sample is last
+        SCOPED_TRACE(i);
+        const InputEventEntry& entry = entries[i];
+        ASSERT_EQ(entry.action, motionEvent->getAction());
+        ASSERT_EQ(entry.eventTime.count(), motionEvent->getHistoricalEventTime(i));
+        ASSERT_EQ(entry.pointers.size(), motionEvent->getPointerCount());
+
+        for (size_t p = 0; p < motionEvent->getPointerCount(); p++) {
+            SCOPED_TRACE(p);
+            // The pointers can be in any order, both in MotionEvent as well as InputEventEntry
+            ssize_t motionEventPointerIndex = motionEvent->findPointerIndex(entry.pointers[p].id);
+            ASSERT_GE(motionEventPointerIndex, 0) << "Pointer must be present in MotionEvent";
+            ASSERT_EQ(entry.pointers[p].x,
+                      motionEvent->getHistoricalAxisValue(AMOTION_EVENT_AXIS_X,
+                                                          motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].x,
+                      motionEvent->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_X,
+                                                             motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].y,
+                      motionEvent->getHistoricalAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                          motionEventPointerIndex, i));
+            ASSERT_EQ(entry.pointers[p].y,
+                      motionEvent->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y,
+                                                             motionEventPointerIndex, i));
+        }
+    }
+
+    status = mConsumer->sendFinishedSignal(consumeSeq, true);
+    ASSERT_EQ(OK, status);
+
+    receiveResponseUntilSequence(consumeSeq);
+}
+
+/**
+ * Timeline
+ * ---------+------------------+------------------+--------+-----------------+----------------------
+ *          0 ms               10 ms              20 ms    25 ms            35 ms
+ *          ACTION_DOWN       ACTION_MOVE      ACTION_MOVE  ^                ^
+ *                                                          |                |
+ *                                                         resampled value   |
+ *                                                                          frameTime
+ * Typically, the prediction is made for time frameTime - RESAMPLE_LATENCY, or 30 ms in this case
+ * However, that would be 10 ms later than the last real sample (which came in at 20 ms).
+ * Therefore, the resampling should happen at 20 ms + RESAMPLE_MAX_PREDICTION = 28 ms.
+ * In this situation, though, resample time is further limited by taking half of the difference
+ * between the last two real events, which would put this time at:
+ * 20 ms + (20 ms - 10 ms) / 2 = 25 ms.
+ */
+TEST_F(TouchResamplingTest, EventIsResampled) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Same as above test, but use pointer id=1 instead of 0 to make sure that system does not
+ * have these hardcoded.
+ */
+TEST_F(TouchResamplingTest, EventIsResampledWithDifferentId) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{1, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{1, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{1, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{1, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{1, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{1, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{1, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Event should not be resampled when sample time is equal to event time.
+ */
+TEST_F(TouchResamplingTest, SampleTimeEqualsEventTime) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 20ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            // no resampled event because the time of resample falls exactly on the existing event
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+/**
+ * Once we send a resampled value to the app, we should continue to "lie" if the pointer
+ * does not move. So, if the pointer keeps the same coordinates, resampled value should continue
+ * to be used.
+ */
+TEST_F(TouchResamplingTest, ResampledValueIsUsedForIdenticalCoordinates) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Coordinate value 30 has been resampled to 35. When a new event comes in with value 30 again,
+    // the system should still report 35.
+    entries = {
+            //      id  x   y
+            {40ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 45ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x   y
+            {40ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+            {45ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled event, rewritten
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+TEST_F(TouchResamplingTest, OldEventReceivedAfterResampleOccurs) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 10, 20}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+    entries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 35ms;
+    expectedEntries = {
+            //      id  x   y
+            {10ms, {{0, 20, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {20ms, {{0, 30, 30}}, AMOTION_EVENT_ACTION_MOVE},
+            {25ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+    // Above, the resampled event is at 25ms rather than at 30 ms = 35ms - RESAMPLE_LATENCY
+    // because we are further bound by how far we can extrapolate by the "last time delta".
+    // That's 50% of (20 ms - 10ms) => 5ms. So we can't predict more than 5 ms into the future
+    // from the event at 20ms, which is why the resampled event is at t = 25 ms.
+
+    // We resampled the event to 25 ms. Now, an older 'real' event comes in.
+    entries = {
+            //      id  x   y
+            {24ms, {{0, 40, 30}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 50ms;
+    expectedEntries = {
+            //      id  x   y
+            {24ms, {{0, 35, 30}}, AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+            {26ms, {{0, 45, 30}}, AMOTION_EVENT_ACTION_MOVE}, // resampled event, rewritten
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+TEST_F(TouchResamplingTest, TwoPointersAreResampledIndependently) {
+    std::chrono::nanoseconds frameTime;
+    std::vector<InputEventEntry> entries, expectedEntries;
+
+    // full action for when a pointer with id=1 appears (some other pointer must already be present)
+    constexpr int32_t actionPointer1Down =
+            AMOTION_EVENT_ACTION_POINTER_DOWN + (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+
+    // full action for when a pointer with id=0 disappears (some other pointer must still remain)
+    constexpr int32_t actionPointer0Up =
+            AMOTION_EVENT_ACTION_POINTER_UP + (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+
+    // Initial ACTION_DOWN should be separate, because the first consume event will only return
+    // InputEvent with a single action.
+    entries = {
+            //      id  x   y
+            {0ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 5ms;
+    expectedEntries = {
+            //      id  x   y
+            {0ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_DOWN},
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    entries = {
+            //       id  x   y
+            {10ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 10ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //       id  x   y
+            {10ms, {{0, 100, 100}}, AMOTION_EVENT_ACTION_MOVE},
+            // no resampled value because frameTime - RESAMPLE_LATENCY == eventTime
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Second pointer id=1 appears
+    entries = {
+            //      id  x    y
+            {15ms, {{0, 100, 100}, {1, 500, 500}}, actionPointer1Down},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 20ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x    y
+            {15ms, {{0, 100, 100}, {1, 500, 500}}, actionPointer1Down},
+            // no resampled value because frameTime - RESAMPLE_LATENCY == eventTime
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Both pointers move
+    entries = {
+            //      id  x    y
+            {30ms, {{0, 100, 100}, {1, 500, 500}}, AMOTION_EVENT_ACTION_MOVE},
+            {40ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 45ms + 5ms /*RESAMPLE_LATENCY*/;
+    expectedEntries = {
+            //      id  x    y
+            {30ms, {{0, 100, 100}, {1, 500, 500}}, AMOTION_EVENT_ACTION_MOVE},
+            {40ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            {45ms, {{0, 130, 130}, {1, 650, 650}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Both pointers move again
+    entries = {
+            //      id  x    y
+            {60ms, {{0, 120, 120}, {1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            {70ms, {{0, 130, 130}, {1, 700, 700}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 75ms + 5ms /*RESAMPLE_LATENCY*/;
+    /**
+     * The sample at t = 60, pointer id 0 is not equal to 120, because this value of 120 was
+     * received twice, and resampled to 130. So if we already reported it as "130", we continue
+     * to report it as such. Similar with pointer id 1.
+     */
+    expectedEntries = {
+            {60ms,
+             {{0, 130, 130}, // not 120! because it matches previous real event
+              {1, 650, 650}},
+             AMOTION_EVENT_ACTION_MOVE},
+            {70ms, {{0, 130, 130}, {1, 700, 700}}, AMOTION_EVENT_ACTION_MOVE},
+            {75ms, {{0, 135, 135}, {1, 750, 750}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // First pointer id=0 leaves the screen
+    entries = {
+            //      id  x    y
+            {80ms, {{1, 600, 600}}, actionPointer0Up},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 90ms;
+    expectedEntries = {
+            //      id  x    y
+            {80ms, {{1, 600, 600}}, actionPointer0Up},
+            // no resampled event for ACTION_POINTER_UP
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+
+    // Remaining pointer id=1 is still present, but doesn't move
+    entries = {
+            //      id  x    y
+            {90ms, {{1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+    };
+    publishInputEventEntries(entries);
+    frameTime = 100ms;
+    expectedEntries = {
+            //      id  x    y
+            {90ms, {{1, 600, 600}}, AMOTION_EVENT_ACTION_MOVE},
+            /**
+             * The latest event with ACTION_MOVE was at t = 70, coord = 700.
+             * Use that value for resampling here: (600 - 700) / (90 - 70) * 5 + 600
+             */
+            {95ms, {{1, 575, 575}}, AMOTION_EVENT_ACTION_MOVE}, // resampled value
+    };
+    consumeInputEventEntries(expectedEntries, frameTime);
+}
+
+} // namespace android
diff --git a/libs/input/tests/VelocityTracker_test.cpp b/libs/input/tests/VelocityTracker_test.cpp
index a87b187..bd12663 100644
--- a/libs/input/tests/VelocityTracker_test.cpp
+++ b/libs/input/tests/VelocityTracker_test.cpp
@@ -16,9 +16,10 @@
 
 #define LOG_TAG "VelocityTracker_test"
 
+#include <math.h>
 #include <array>
 #include <chrono>
-#include <math.h>
+#include <limits>
 
 #include <android-base/stringprintf.h>
 #include <attestation/HmacKeyManager.h>
@@ -26,7 +27,9 @@
 #include <gui/constants.h>
 #include <input/VelocityTracker.h>
 
-using namespace std::chrono_literals;
+using std::literals::chrono_literals::operator""ms;
+using std::literals::chrono_literals::operator""ns;
+using std::literals::chrono_literals::operator""us;
 using android::base::StringPrintf;
 
 namespace android {
@@ -62,8 +65,15 @@
     EXPECT_NEAR(actual, target, tolerance);
 }
 
-static void checkVelocity(float Vactual, float Vtarget) {
-    EXPECT_NEAR_BY_FRACTION(Vactual, Vtarget, VELOCITY_TOLERANCE);
+static void checkVelocity(std::optional<float> Vactual, std::optional<float> Vtarget) {
+    if (Vactual != std::nullopt) {
+        if (Vtarget == std::nullopt) {
+            FAIL() << "Expected no velocity, but found " << *Vactual;
+        }
+        EXPECT_NEAR_BY_FRACTION(*Vactual, *Vtarget, VELOCITY_TOLERANCE);
+    } else if (Vtarget != std::nullopt) {
+        FAIL() << "Expected  velocity, but found no velocity";
+    }
 }
 
 static void checkCoefficient(float actual, float target) {
@@ -84,7 +94,7 @@
     }
 };
 
-struct MotionEventEntry {
+struct PlanarMotionEventEntry {
     std::chrono::nanoseconds eventTime;
     std::vector<Position> positions;
 };
@@ -133,15 +143,43 @@
     return AMOTION_EVENT_ACTION_MOVE;
 }
 
-static std::vector<MotionEvent> createMotionEventStream(
-        const std::vector<MotionEventEntry>& motions) {
+static std::vector<MotionEvent> createAxisScrollMotionEventStream(
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions) {
+    std::vector<MotionEvent> events;
+    for (const auto& [timeStamp, value] : motions) {
+        EXPECT_TRUE(!isnan(value)) << "The entry at pointerId must be valid";
+
+        PointerCoords coords[1];
+        coords[0].setAxisValue(AMOTION_EVENT_AXIS_SCROLL, value);
+
+        PointerProperties properties[1];
+        properties[0].id = DEFAULT_POINTER_ID;
+
+        MotionEvent event;
+        ui::Transform identityTransform;
+        event.initialize(InputEvent::nextId(), 5 /*deviceId*/, AINPUT_SOURCE_ROTARY_ENCODER,
+                         ADISPLAY_ID_NONE, INVALID_HMAC, AMOTION_EVENT_ACTION_SCROLL,
+                         0 /*actionButton*/, 0 /*flags*/, AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE,
+                         0 /*buttonState*/, MotionClassification::NONE, identityTransform,
+                         0 /*xPrecision*/, 0 /*yPrecision*/, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         AMOTION_EVENT_INVALID_CURSOR_POSITION, identityTransform, 0 /*downTime*/,
+                         timeStamp.count(), 1 /*pointerCount*/, properties, coords);
+
+        events.emplace_back(event);
+    }
+
+    return events;
+}
+
+static std::vector<MotionEvent> createTouchMotionEventStream(
+        const std::vector<PlanarMotionEventEntry>& motions) {
     if (motions.empty()) {
         ADD_FAILURE() << "Need at least 1 sample to create a MotionEvent. Received empty vector.";
     }
 
     std::vector<MotionEvent> events;
     for (size_t i = 0; i < motions.size(); i++) {
-        const MotionEventEntry& entry = motions[i];
+        const PlanarMotionEventEntry& entry = motions[i];
         BitSet32 pointers = getValidPointers(entry.positions);
         const uint32_t pointerCount = pointers.count();
 
@@ -149,12 +187,11 @@
         if (i == 0) {
             action = AMOTION_EVENT_ACTION_DOWN;
             EXPECT_EQ(1U, pointerCount) << "First event should only have 1 pointer";
-        } else if (i == motions.size() - 1) {
-            EXPECT_EQ(1U, pointerCount) << "Last event should only have 1 pointer";
+        } else if ((i == motions.size() - 1) && pointerCount == 1) {
             action = AMOTION_EVENT_ACTION_UP;
         } else {
-            const MotionEventEntry& previousEntry = motions[i-1];
-            const MotionEventEntry& nextEntry = motions[i+1];
+            const PlanarMotionEventEntry& previousEntry = motions[i-1];
+            const PlanarMotionEventEntry& nextEntry = motions[i+1];
             action = resolveAction(previousEntry.positions, entry.positions, nextEntry.positions);
         }
 
@@ -193,54 +230,197 @@
     return events;
 }
 
-static void computeAndCheckVelocity(const VelocityTracker::Strategy strategy,
-                                    const std::vector<MotionEventEntry>& motions, int32_t axis,
-                                    float targetVelocity) {
+static std::optional<float> computePlanarVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<PlanarMotionEventEntry>& motions, int32_t axis,
+        uint32_t pointerId = DEFAULT_POINTER_ID) {
     VelocityTracker vt(strategy);
-    float Vx, Vy;
 
-    std::vector<MotionEvent> events = createMotionEventStream(motions);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
     for (MotionEvent event : events) {
         vt.addMovement(&event);
     }
 
-    vt.getVelocity(DEFAULT_POINTER_ID, &Vx, &Vy);
+    return vt.getVelocity(axis, pointerId);
+}
 
+static std::vector<MotionEvent> createMotionEventStream(
+        int32_t axis, const std::vector<std::pair<std::chrono::nanoseconds, float>>& motion) {
     switch (axis) {
-    case AMOTION_EVENT_AXIS_X:
-        checkVelocity(Vx, targetVelocity);
-        break;
-    case AMOTION_EVENT_AXIS_Y:
-        checkVelocity(Vy, targetVelocity);
-        break;
-    default:
-        FAIL() << "Axis must be either AMOTION_EVENT_AXIS_X or AMOTION_EVENT_AXIS_Y";
+        case AMOTION_EVENT_AXIS_SCROLL:
+            return createAxisScrollMotionEventStream(motion);
+        default:
+            ADD_FAILURE() << "Axis " << axis << " is not supported";
+            return {};
     }
 }
 
-static void computeAndCheckQuadraticEstimate(const std::vector<MotionEventEntry>& motions,
-        const std::array<float, 3>& coefficients) {
+static std::optional<float> computeVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions, int32_t axis) {
+    VelocityTracker vt(strategy);
+
+    for (const MotionEvent& event : createMotionEventStream(axis, motions)) {
+        vt.addMovement(&event);
+    }
+
+    return vt.getVelocity(axis, DEFAULT_POINTER_ID);
+}
+
+static void computeAndCheckVelocity(const VelocityTracker::Strategy strategy,
+                                    const std::vector<PlanarMotionEventEntry>& motions,
+                                    int32_t axis, std::optional<float> targetVelocity,
+                                    uint32_t pointerId = DEFAULT_POINTER_ID) {
+    checkVelocity(computePlanarVelocity(strategy, motions, axis, pointerId), targetVelocity);
+}
+
+static void computeAndCheckAxisScrollVelocity(
+        const VelocityTracker::Strategy strategy,
+        const std::vector<std::pair<std::chrono::nanoseconds, float>>& motions,
+        std::optional<float> targetVelocity) {
+    checkVelocity(computeVelocity(strategy, motions, AMOTION_EVENT_AXIS_SCROLL), targetVelocity);
+}
+
+static void computeAndCheckQuadraticEstimate(const std::vector<PlanarMotionEventEntry>& motions,
+                                             const std::array<float, 3>& coefficients) {
     VelocityTracker vt(VelocityTracker::Strategy::LSQ2);
-    std::vector<MotionEvent> events = createMotionEventStream(motions);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
     for (MotionEvent event : events) {
         vt.addMovement(&event);
     }
-    VelocityTracker::Estimator estimator;
-    EXPECT_TRUE(vt.getEstimator(0, &estimator));
+    VelocityTracker::Estimator estimatorX;
+    VelocityTracker::Estimator estimatorY;
+    EXPECT_TRUE(vt.getEstimator(AMOTION_EVENT_AXIS_X, 0, &estimatorX));
+    EXPECT_TRUE(vt.getEstimator(AMOTION_EVENT_AXIS_Y, 0, &estimatorY));
     for (size_t i = 0; i< coefficients.size(); i++) {
-        checkCoefficient(estimator.xCoeff[i], coefficients[i]);
-        checkCoefficient(estimator.yCoeff[i], coefficients[i]);
+        checkCoefficient(estimatorX.coeff[i], coefficients[i]);
+        checkCoefficient(estimatorY.coeff[i], coefficients[i]);
     }
 }
 
 /*
  * ================== VelocityTracker tests generated manually =====================================
  */
+TEST_F(VelocityTrackerTest, TestDefaultStrategiesForPlanarAxes) {
+    std::vector<PlanarMotionEventEntry> motions = {{10ms, {{2, 4}}},
+                                                   {20ms, {{4, 12}}},
+                                                   {30ms, {{6, 20}}},
+                                                   {40ms, {{10, 30}}}};
+
+    EXPECT_EQ(computePlanarVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X),
+              computePlanarVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                                    AMOTION_EVENT_AXIS_X));
+    EXPECT_EQ(computePlanarVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y),
+              computePlanarVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                                    AMOTION_EVENT_AXIS_Y));
+}
+
+TEST_F(VelocityTrackerTest, TestComputedVelocity) {
+    VelocityTracker::ComputedVelocity computedVelocity;
+
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 0 /*id*/, 200 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 26U /*id*/, 400 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, 27U /*id*/, 650 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID, 750 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 0 /*id*/, 1000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 26U /*id*/, 2000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, 27U /*id*/, 3000 /*velocity*/);
+    computedVelocity.addVelocity(AMOTION_EVENT_AXIS_Y, MAX_POINTER_ID, 4000 /*velocity*/);
+
+    // Check the axes/indices with velocity.
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 0U /*id*/)), 200);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 26U /*id*/)), 400);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, 27U /*id*/)), 650);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID)), 750);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 0U /*id*/)), 1000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 26U /*id*/)), 2000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, 27U /*id*/)), 3000);
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, MAX_POINTER_ID)), 4000);
+    for (uint32_t id = 0; id <= MAX_POINTER_ID; id++) {
+        // Since no data was added for AXIS_SCROLL, expect empty value for the axis for any id.
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_SCROLL, id))
+                << "Empty scroll data expected at id=" << id;
+        if (id == 0 || id == 26U || id == 27U || id == MAX_POINTER_ID) {
+            // Already checked above; continue.
+            continue;
+        }
+        // No data was added to X/Y for this id, expect empty value.
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, id))
+                << "Empty X data expected at id=" << id;
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, id))
+                << "Empty Y data expected at id=" << id;
+    }
+    // Out-of-bounds ids should given empty values.
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, -1));
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, MAX_POINTER_ID + 1));
+}
+
+TEST_F(VelocityTrackerTest, TestGetComputedVelocity) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {235089067457000ns, {{528.00, 0}}}, {235089084684000ns, {{527.00, 0}}},
+            {235089093349000ns, {{527.00, 0}}}, {235089095677625ns, {{527.00, 0}}},
+            {235089101859000ns, {{527.00, 0}}}, {235089110378000ns, {{528.00, 0}}},
+            {235089112497111ns, {{528.25, 0}}}, {235089118760000ns, {{531.00, 0}}},
+            {235089126686000ns, {{535.00, 0}}}, {235089129316820ns, {{536.33, 0}}},
+            {235089135199000ns, {{540.00, 0}}}, {235089144297000ns, {{546.00, 0}}},
+            {235089146136443ns, {{547.21, 0}}}, {235089152923000ns, {{553.00, 0}}},
+            {235089160784000ns, {{559.00, 0}}}, {235089162955851ns, {{560.66, 0}}},
+            {235089162955851ns, {{560.66, 0}}}, // ACTION_UP
+    };
+    VelocityTracker vt(VelocityTracker::Strategy::IMPULSE);
+    std::vector<MotionEvent> events = createTouchMotionEventStream(motions);
+    for (const MotionEvent& event : events) {
+        vt.addMovement(&event);
+    }
+
+    float maxFloat = std::numeric_limits<float>::max();
+    VelocityTracker::ComputedVelocity computedVelocity;
+    computedVelocity = vt.getComputedVelocity(1000 /* units */, maxFloat);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)),
+                  764.345703);
+
+    // Expect X velocity to be scaled with respective to provided units.
+    computedVelocity = vt.getComputedVelocity(1000000 /* units */, maxFloat);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)),
+                  764345.703);
+
+    // Expect X velocity to be clamped by provided max velocity.
+    computedVelocity = vt.getComputedVelocity(1000000 /* units */, 1000);
+    checkVelocity(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID)), 1000);
+
+    // All 0 data for Y; expect 0 velocity.
+    EXPECT_EQ(*(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, DEFAULT_POINTER_ID)), 0);
+
+    // No data for scroll-axis; expect empty velocity.
+    EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_SCROLL, DEFAULT_POINTER_ID));
+}
+
+TEST_F(VelocityTrackerTest, TestApiInteractionsWithNoMotionEvents) {
+    VelocityTracker vt(VelocityTracker::Strategy::DEFAULT);
+
+    EXPECT_FALSE(vt.getVelocity(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID));
+
+    VelocityTracker::Estimator estimator;
+    EXPECT_FALSE(vt.getEstimator(AMOTION_EVENT_AXIS_X, DEFAULT_POINTER_ID, &estimator));
+
+    VelocityTracker::ComputedVelocity computedVelocity = vt.getComputedVelocity(1000, 1000);
+    for (uint32_t id = 0; id <= MAX_POINTER_ID; id++) {
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_X, id));
+        EXPECT_FALSE(computedVelocity.getVelocity(AMOTION_EVENT_AXIS_Y, id));
+    }
+
+    EXPECT_EQ(-1, vt.getActivePointerId());
+
+    // Make sure that the clearing functions execute without an issue.
+    vt.clearPointers(BitSet32(7U));
+    vt.clear();
+}
+
 TEST_F(VelocityTrackerTest, ThreePointsPositiveVelocityTest) {
     // Same coordinate is reported 2 times in a row
     // It is difficult to determine the correct answer here, but at least the direction
     // of the reported velocity should be positive.
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{273, 0}}},
             {12585us, {{293, 0}}},
             {14730us, {{293, 0}}},
@@ -252,7 +432,7 @@
 
 TEST_F(VelocityTrackerTest, ThreePointsZeroVelocityTest) {
     // Same coordinate is reported 3 times in a row
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{293, 0}}},
             {6132us, {{293, 0}}},
             {11283us, {{293, 0}}},
@@ -264,7 +444,7 @@
 
 TEST_F(VelocityTrackerTest, ThreePointsLinearVelocityTest) {
     // Fixed velocity at 5 points per 10 milliseconds
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
             {0ms, {{0, 0}}}, {10ms, {{5, 0}}}, {20ms, {{10, 0}}}, {20ms, {{10, 0}}}, // ACTION_UP
     };
     computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 500);
@@ -288,7 +468,7 @@
 // --------------- Recorded by hand on swordfish ---------------------------------------------------
 TEST_F(VelocityTrackerTest, SwordfishFlingDown) {
     // Recording of a fling on Swordfish that could cause a fling in the wrong direction
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{271, 96}} },
         { 16071042ns, {{269.786346, 106.922775}} },
         { 35648403ns, {{267.983063, 156.660034}} },
@@ -323,7 +503,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow1) {
     // Sailfish - fling up - slow - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235089067457000ns, {{528.00, 983.00}} },
         { 235089084684000ns, {{527.00, 981.00}} },
         { 235089093349000ns, {{527.00, 977.00}} },
@@ -355,7 +535,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow2) {
     // Sailfish - fling up - slow - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235110560704000ns, {{522.00, 1107.00}} },
         { 235110575764000ns, {{522.00, 1107.00}} },
         { 235110584385000ns, {{522.00, 1107.00}} },
@@ -384,7 +564,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpSlow3) {
     // Sailfish - fling up - slow - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 792536237000ns, {{580.00, 1317.00}} },
         { 792541538987ns, {{580.63, 1311.94}} },
         { 792544613000ns, {{581.00, 1309.00}} },
@@ -418,7 +598,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster1) {
     // Sailfish - fling up - faster - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235160420675000ns, {{610.00, 1042.00}} },
         { 235160428220000ns, {{609.00, 1026.00}} },
         { 235160436544000ns, {{609.00, 1024.00}} },
@@ -452,7 +632,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster2) {
     // Sailfish - fling up - faster - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 847153808000ns, {{576.00, 1264.00}} },
         { 847171174000ns, {{576.00, 1262.00}} },
         { 847179640000ns, {{576.00, 1257.00}} },
@@ -478,7 +658,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFaster3) {
     // Sailfish - fling up - faster - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235200532789000ns, {{507.00, 1084.00}} },
         { 235200549221000ns, {{507.00, 1083.00}} },
         { 235200557841000ns, {{507.00, 1081.00}} },
@@ -504,7 +684,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast1) {
     // Sailfish - fling up - fast - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 920922149000ns, {{561.00, 1412.00}} },
         { 920930185000ns, {{559.00, 1377.00}} },
         { 920930262463ns, {{558.98, 1376.66}} },
@@ -533,7 +713,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast2) {
     // Sailfish - fling up - fast - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235247153233000ns, {{518.00, 1168.00}} },
         { 235247170452000ns, {{517.00, 1167.00}} },
         { 235247178908000ns, {{515.00, 1159.00}} },
@@ -556,7 +736,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingUpFast3) {
     // Sailfish - fling up - fast - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235302568736000ns, {{529.00, 1167.00}} },
         { 235302576644000ns, {{523.00, 1140.00}} },
         { 235302579395063ns, {{520.91, 1130.61}} },
@@ -577,7 +757,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow1) {
     // Sailfish - fling down - slow - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235655749552755ns, {{582.00, 432.49}} },
         { 235655750638000ns, {{582.00, 433.00}} },
         { 235655758865000ns, {{582.00, 440.00}} },
@@ -611,7 +791,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow2) {
     // Sailfish - fling down - slow - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235671152083370ns, {{485.24, 558.28}} },
         { 235671154126000ns, {{485.00, 559.00}} },
         { 235671162497000ns, {{484.00, 566.00}} },
@@ -645,7 +825,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownSlow3) {
     // Sailfish - fling down - slow - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 170983201000ns, {{557.00, 533.00}} },
         { 171000668000ns, {{556.00, 534.00}} },
         { 171007359750ns, {{554.73, 535.27}} },
@@ -672,7 +852,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster1) {
     // Sailfish - fling down - faster - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235695280333000ns, {{558.00, 451.00}} },
         { 235695283971237ns, {{558.43, 454.45}} },
         { 235695289038000ns, {{559.00, 462.00}} },
@@ -702,7 +882,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster2) {
     // Sailfish - fling down - faster - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235709624766000ns, {{535.00, 579.00}} },
         { 235709642256000ns, {{534.00, 580.00}} },
         { 235709643350278ns, {{533.94, 580.06}} },
@@ -733,7 +913,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFaster3) {
     // Sailfish - fling down - faster - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235727628927000ns, {{540.00, 440.00}} },
         { 235727636810000ns, {{537.00, 454.00}} },
         { 235727646176000ns, {{536.00, 454.00}} },
@@ -762,7 +942,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast1) {
     // Sailfish - fling down - fast - 1
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235762352849000ns, {{467.00, 286.00}} },
         { 235762360250000ns, {{443.00, 344.00}} },
         { 235762362787412ns, {{434.77, 363.89}} },
@@ -783,7 +963,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast2) {
     // Sailfish - fling down - fast - 2
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 235772487188000ns, {{576.00, 204.00}} },
         { 235772495159000ns, {{553.00, 236.00}} },
         { 235772503568000ns, {{551.00, 240.00}} },
@@ -804,7 +984,7 @@
 
 TEST_F(VelocityTrackerTest, SailfishFlingDownFast3) {
     // Sailfish - fling down - fast - 3
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 507650295000ns, {{628.00, 233.00}} },
         { 507658234000ns, {{605.00, 269.00}} },
         { 507666784000ns, {{601.00, 274.00}} },
@@ -830,12 +1010,12 @@
 /**
  * ================== Multiple pointers ============================================================
  *
- * Three fingers quickly tap the screen. Since this is a tap, the velocities should be zero.
+ * Three fingers quickly tap the screen. Since this is a tap, the velocities should be empty.
  * If the events with POINTER_UP or POINTER_DOWN are not handled correctly (these should not be
  * part of the fitted data), this can cause large velocity values to be reported instead.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_ThreeFingerTap) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0us,      {{1063, 1128}, {NAN, NAN}, {NAN, NAN}} },
         { 10800us,  {{1063, 1128}, {682, 1318}, {NAN, NAN}} }, // POINTER_DOWN
         { 10800us,  {{1063, 1128}, {682, 1318}, {397, 1747}} }, // POINTER_DOWN
@@ -844,12 +1024,78 @@
         { 272700us, {{1063, 1128}, {NAN, NAN}, {NAN, NAN}} },
     };
 
-    // Velocity should actually be zero, but we expect 0.016 here instead.
-    // This is close enough to zero, and is likely caused by division by a very small number.
-    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, -0.016);
-    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y, -0.016);
-    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X, 0);
-    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_Y, 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_Y,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_Y,
+                            std::nullopt);
+}
+
+/**
+ * ================= Pointer liftoff ===============================================================
+ */
+
+/**
+ * The last movement of a pointer is always ACTION_POINTER_UP or ACTION_UP. If there's a short delay
+ * between the last ACTION_MOVE and the next ACTION_POINTER_UP or ACTION_UP, velocity should not be
+ * affected by the liftoff.
+ */
+TEST_F(VelocityTrackerTest, ShortDelayBeforeActionUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}}, {10ms, {{20, 0}}}, {20ms, {{30, 0}}}, {30ms, {{30, 0}}}, // ACTION_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            1000);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X, 1000);
+}
+
+/**
+ * The last movement of a single pointer is ACTION_UP. If there's a long delay between the last
+ * ACTION_MOVE and the final ACTION_UP, velocity should be reported as empty because the pointer
+ * should be assumed to have stopped.
+ */
+TEST_F(VelocityTrackerTest, LongDelayBeforeActionUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}},
+            {10ms, {{20, 0}}},
+            {20ms, {{30, 0}}},
+            {3000ms, {{30, 0}}}, // ACTION_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt);
+}
+
+/**
+ * The last movement of a pointer is always ACTION_POINTER_UP or ACTION_UP. If there's a long delay
+ * before ACTION_POINTER_UP event, the movement should be assumed to have stopped.
+ * The final velocity should be reported as empty for all pointers.
+ */
+TEST_F(VelocityTrackerTest, LongDelayBeforeActionPointerUp) {
+    std::vector<PlanarMotionEventEntry> motions = {
+            {0ms, {{10, 0}}},
+            {10ms, {{20, 0}, {100, 0}}},
+            {20ms, {{30, 0}, {200, 0}}},
+            {30ms, {{30, 0}, {300, 0}}},
+            {40ms, {{30, 0}, {400, 0}}},
+            {3000ms, {{30, 0}}}, // ACTION_POINTER_UP
+    };
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 0);
+    computeAndCheckVelocity(VelocityTracker::Strategy::IMPULSE, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 1);
+    computeAndCheckVelocity(VelocityTracker::Strategy::LSQ2, motions, AMOTION_EVENT_AXIS_X,
+                            std::nullopt,
+                            /*pointerId*/ 1);
 }
 
 /**
@@ -878,7 +1124,7 @@
  * In the test, we would convert these coefficients to (0*(1E3)^0, 0*(1E3)^1, 1*(1E3)^2).
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Constant) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} }, // 0 s
         { 1ms, {{1, 1}} }, // 0.001 s
         { 2ms, {{1, 1}} }, // 0.002 s
@@ -896,7 +1142,7 @@
  * Straight line y = x :: the constant and quadratic coefficients are zero.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Linear) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{-2, -2}} },
         { 1ms, {{-1, -1}} },
         { 2ms, {{-0, -0}} },
@@ -914,7 +1160,7 @@
  * Parabola
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} },
         { 1ms, {{4, 4}} },
         { 2ms, {{8, 8}} },
@@ -932,7 +1178,7 @@
  * Parabola
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic2) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{1, 1}} },
         { 1ms, {{4, 4}} },
         { 2ms, {{9, 9}} },
@@ -950,7 +1196,7 @@
  * Parabola :: y = x^2 :: the constant and linear coefficients are zero.
  */
 TEST_F(VelocityTrackerTest, LeastSquaresVelocityTrackerStrategyEstimator_Parabolic3) {
-    std::vector<MotionEventEntry> motions = {
+    std::vector<PlanarMotionEventEntry> motions = {
         { 0ms, {{4, 4}} },
         { 1ms, {{1, 1}} },
         { 2ms, {{0, 0}} },
@@ -964,4 +1210,114 @@
     computeAndCheckQuadraticEstimate(motions, std::array<float, 3>({0, 0E3, 1E6}));
 }
 
+// Recorded by hand on sailfish, but only the diffs are taken to test cumulative axis velocity.
+TEST_F(VelocityTrackerTest, AxisScrollVelocity) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {235089067457000ns, 0.00}, {235089084684000ns, -1.00}, {235089093349000ns, 0.00},
+            {235089095677625ns, 0.00}, {235089101859000ns, 0.00},  {235089110378000ns, 0.00},
+            {235089112497111ns, 0.25}, {235089118760000ns, 1.75},  {235089126686000ns, 4.00},
+            {235089129316820ns, 1.33}, {235089135199000ns, 3.67},  {235089144297000ns, 6.00},
+            {235089146136443ns, 1.21}, {235089152923000ns, 5.79},  {235089160784000ns, 6.00},
+            {235089162955851ns, 1.66},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {764.345703});
+}
+
+// --------------- Recorded by hand on a Wear OS device using a rotating side button ---------------
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollDown) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {224598065152ns, -0.050100}, {224621871104ns, -0.133600}, {224645464064ns, -0.551100},
+            {224669171712ns, -0.801600}, {224687063040ns, -1.035400}, {224706691072ns, -0.484300},
+            {224738213888ns, -0.334000}, {224754401280ns, -0.083500},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {-27.86});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollUp) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {269606010880ns, 0.050100}, {269626064896ns, 0.217100}, {269641973760ns, 0.267200},
+            {269658079232ns, 0.267200}, {269674217472ns, 0.267200}, {269690683392ns, 0.367400},
+            {269706133504ns, 0.551100}, {269722173440ns, 0.501000},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {31.92});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ScrollDown_ThenUp_ThenDown) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {2580534001664ns, -0.033400}, {2580549992448ns, -0.133600},
+            {2580566769664ns, -0.250500}, {2580581974016ns, -0.183700},
+            {2580597964800ns, -0.267200}, {2580613955584ns, -0.551100},
+            {2580635189248ns, -0.601200}, {2580661927936ns, -0.450900},
+            {2580683161600ns, -0.417500}, {2580705705984ns, -0.150300},
+            {2580722745344ns, -0.016700}, {2580786446336ns, 0.050100},
+            {2580801912832ns, 0.150300},  {2580822360064ns, 0.300600},
+            {2580838088704ns, 0.300600},  {2580854341632ns, 0.400800},
+            {2580869808128ns, 0.517700},  {2580886061056ns, 0.501000},
+            {2580905984000ns, 0.350700},  {2580921974784ns, 0.350700},
+            {2580937965568ns, 0.066800},  {2580974665728ns, 0.016700},
+            {2581034434560ns, -0.066800}, {2581049901056ns, -0.116900},
+            {2581070610432ns, -0.317300}, {2581086076928ns, -0.200400},
+            {2581101805568ns, -0.233800}, {2581118058496ns, -0.417500},
+            {2581134049280ns, -0.417500}, {2581150040064ns, -0.367400},
+            {2581166030848ns, -0.267200}, {2581181759488ns, -0.150300},
+            {2581199847424ns, -0.066800},
+    };
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {-9.73});
+}
+
+// ------------------------------- Hand generated test cases ---------------------------------------
+TEST_F(VelocityTrackerTest, TestDefaultStrategyForAxisScroll) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {
+            {10ms, 20},
+            {20ms, 25},
+            {30ms, 50},
+            {40ms, 100},
+    };
+
+    EXPECT_EQ(computeVelocity(VelocityTracker::Strategy::IMPULSE, motions,
+                              AMOTION_EVENT_AXIS_SCROLL),
+              computeVelocity(VelocityTracker::Strategy::DEFAULT, motions,
+                              AMOTION_EVENT_AXIS_SCROLL));
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_SimilarDifferentialValues) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ns, 2.12},  {3ns, 2.12},
+                                                                       {7ns, 2.12},  {8ns, 2.12},
+                                                                       {15ns, 2.12}, {18ns, 2.12}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {1690236059.86});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_OnlyTwoValues) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ms, 5}, {2ms, 10}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {10000});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_ConstantVelocity) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ms, 20}, {2ms, 20},
+                                                                       {3ms, 20}, {4ms, 20},
+                                                                       {5ms, 20}, {6ms, 20}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {20000});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_NoMotion) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {{1ns, 0}, {2ns, 0},
+                                                                       {3ns, 0}, {4ns, 0},
+                                                                       {5ns, 0}, {6ns, 0}};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, {0});
+}
+
+TEST_F(VelocityTrackerTest, AxisScrollVelocity_NoData) {
+    std::vector<std::pair<std::chrono::nanoseconds, float>> motions = {};
+
+    computeAndCheckAxisScrollVelocity(VelocityTracker::Strategy::IMPULSE, motions, std::nullopt);
+}
+
 } // namespace android
diff --git a/libs/nativedisplay/AChoreographer.cpp b/libs/nativedisplay/AChoreographer.cpp
index 8240b08..539cbaa 100644
--- a/libs/nativedisplay/AChoreographer.cpp
+++ b/libs/nativedisplay/AChoreographer.cpp
@@ -18,8 +18,8 @@
 //#define LOG_NDEBUG 0
 
 #include <android-base/thread_annotations.h>
+#include <android/gui/ISurfaceComposer.h>
 #include <gui/DisplayEventDispatcher.h>
-#include <gui/ISurfaceComposer.h>
 #include <jni.h>
 #include <private/android/choreographer.h>
 #include <utils/Looper.h>
@@ -198,7 +198,7 @@
 }
 
 Choreographer::Choreographer(const sp<Looper>& looper)
-      : DisplayEventDispatcher(looper, ISurfaceComposer::VsyncSource::eVsyncSourceApp),
+      : DisplayEventDispatcher(looper, gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp),
         mLooper(looper),
         mThreadId(std::this_thread::get_id()) {
     std::lock_guard<std::mutex> _l(gChoreographers.lock);
diff --git a/libs/nativedisplay/Android.bp b/libs/nativedisplay/Android.bp
index 4659b96..8d8a2bc 100644
--- a/libs/nativedisplay/Android.bp
+++ b/libs/nativedisplay/Android.bp
@@ -53,6 +53,7 @@
     version_script: "libnativedisplay.map.txt",
 
     srcs: [
+        ":libgui_frame_event_aidl",
         "AChoreographer.cpp",
         "ADisplay.cpp",
         "surfacetexture/surface_texture.cpp",
diff --git a/libs/nativedisplay/libnativedisplay.map.txt b/libs/nativedisplay/libnativedisplay.map.txt
index 969d937..9172d5e 100644
--- a/libs/nativedisplay/libnativedisplay.map.txt
+++ b/libs/nativedisplay/libnativedisplay.map.txt
@@ -1,25 +1,25 @@
 LIBNATIVEDISPLAY {
   global:
-    AChoreographer_getInstance; # apex # introduced=30
-    AChoreographer_postFrameCallback; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed; # apex # introduced=30
-    AChoreographer_postFrameCallback64; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed64; # apex # introduced=30
-    AChoreographer_registerRefreshRateCallback; # apex # introduced=30
-    AChoreographer_unregisterRefreshRateCallback; # apex # introduced=30
-    AChoreographer_postVsyncCallback; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelinesLength; # apex # introduced=33
-    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # apex # introduced=33
-    AChoreographer_create; # apex # introduced=30
-    AChoreographer_destroy; # apex # introduced=30
-    AChoreographer_getFd; # apex # introduced=30
-    AChoreographer_handlePendingEvents; # apex # introduced=30
-    ASurfaceTexture_fromSurfaceTexture; # apex # introduced=30
-    ASurfaceTexture_release; # apex # introduced=30
+    AChoreographer_getInstance; # systemapi # introduced=30
+    AChoreographer_postFrameCallback; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed; # systemapi # introduced=30
+    AChoreographer_postFrameCallback64; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed64; # systemapi # introduced=30
+    AChoreographer_registerRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_unregisterRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_postVsyncCallback; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelinesLength; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # systemapi # introduced=33
+    AChoreographer_create; # systemapi # introduced=30
+    AChoreographer_destroy; # systemapi # introduced=30
+    AChoreographer_getFd; # systemapi # introduced=30
+    AChoreographer_handlePendingEvents; # systemapi # introduced=30
+    ASurfaceTexture_fromSurfaceTexture; # systemapi # introduced=30
+    ASurfaceTexture_release; # systemapi # introduced=30
   local:
     *;
 };
diff --git a/libs/nativewindow/AHardwareBuffer.cpp b/libs/nativewindow/AHardwareBuffer.cpp
index 4a1784e..180dce9 100644
--- a/libs/nativewindow/AHardwareBuffer.cpp
+++ b/libs/nativewindow/AHardwareBuffer.cpp
@@ -16,6 +16,8 @@
 
 #define LOG_TAG "AHardwareBuffer"
 
+#include <android/hardware_buffer.h>
+#include <android/hardware_buffer_aidl.h>
 #include <vndk/hardware_buffer.h>
 
 #include <errno.h>
@@ -32,6 +34,9 @@
 #include <android/hardware/graphics/common/1.1/types.h>
 #include <aidl/android/hardware/graphics/common/PixelFormat.h>
 
+// TODO: Better way to handle this
+#include "../binder/ndk/parcel_internal.h"
+
 static constexpr int kFdBufferSize = 128 * sizeof(int);  // 128 ints
 
 using namespace android;
@@ -357,12 +362,12 @@
         return INVALID_OPERATION;
     }
 
-    GraphicBuffer* gBuffer = new GraphicBuffer();
+    sp<GraphicBuffer> gBuffer(new GraphicBuffer());
     status_t err = gBuffer->unflatten(data, dataLen, fdData, fdCount);
     if (err != NO_ERROR) {
         return err;
     }
-    *outBuffer = AHardwareBuffer_from_GraphicBuffer(gBuffer);
+    *outBuffer = AHardwareBuffer_from_GraphicBuffer(gBuffer.get());
     // Ensure the buffer has a positive ref-count.
     AHardwareBuffer_acquire(*outBuffer);
 
@@ -412,6 +417,25 @@
     return OK;
 }
 
+binder_status_t AHardwareBuffer_readFromParcel(const AParcel* _Nonnull parcel,
+        AHardwareBuffer* _Nullable* _Nonnull outBuffer) {
+    if (!parcel || !outBuffer) return STATUS_BAD_VALUE;
+    auto buffer = sp<GraphicBuffer>::make();
+    status_t status = parcel->get()->read(*buffer);
+    if (status != STATUS_OK) return status;
+    *outBuffer = AHardwareBuffer_from_GraphicBuffer(buffer.get());
+    AHardwareBuffer_acquire(*outBuffer);
+    return STATUS_OK;
+}
+
+binder_status_t AHardwareBuffer_writeToParcel(const AHardwareBuffer* _Nonnull buffer,
+        AParcel* _Nonnull parcel) {
+    const GraphicBuffer* gb = AHardwareBuffer_to_GraphicBuffer(buffer);
+    if (!gb) return STATUS_BAD_VALUE;
+    if (!parcel) return STATUS_BAD_VALUE;
+    return parcel->get()->write(*gb);
+}
+
 // ----------------------------------------------------------------------------
 // VNDK functions
 // ----------------------------------------------------------------------------
diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index 18a4b2d..b075080 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -176,8 +176,8 @@
         static_cast<int>(HAL_DATASPACE_BT2020_HLG));
     static_assert(static_cast<int>(ADATASPACE_BT2020_ITU_HLG) ==
         static_cast<int>(HAL_DATASPACE_BT2020_ITU_HLG));
-    static_assert(static_cast<int>(DEPTH) == static_cast<int>(HAL_DATASPACE_DEPTH));
-    static_assert(static_cast<int>(DYNAMIC_DEPTH) == static_cast<int>(HAL_DATASPACE_DYNAMIC_DEPTH));
+    static_assert(static_cast<int>(ADATASPACE_DEPTH) == static_cast<int>(HAL_DATASPACE_DEPTH));
+    static_assert(static_cast<int>(ADATASPACE_DYNAMIC_DEPTH) == static_cast<int>(HAL_DATASPACE_DYNAMIC_DEPTH));
 
     if (!window || !query(window, NATIVE_WINDOW_IS_VALID) ||
             !isDataSpaceValid(window, dataSpace)) {
@@ -193,6 +193,13 @@
     return query(window, NATIVE_WINDOW_DATASPACE);
 }
 
+int32_t ANativeWindow_getBuffersDefaultDataSpace(ANativeWindow* window) {
+    if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) {
+        return -EINVAL;
+    }
+    return query(window, NATIVE_WINDOW_DEFAULT_DATASPACE);
+}
+
 int32_t ANativeWindow_setFrameRate(ANativeWindow* window, float frameRate, int8_t compatibility) {
     return ANativeWindow_setFrameRateWithChangeStrategy(window, frameRate, compatibility,
         ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
@@ -213,6 +220,15 @@
     return native_window_set_frame_rate(window, frameRate, compatibility, changeFrameRateStrategy);
 }
 
+int32_t ANativeWindow_clearFrameRate(ANativeWindow* window) {
+    if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) {
+        return -EINVAL;
+    }
+    return native_window_set_frame_rate(window, 0,
+            ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
+            ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
+}
+
 /**************************************************************************************************
  * vndk-stable
  **************************************************************************************************/
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index d7db6bd..3503a9e 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -99,6 +99,8 @@
         "liblog",
         "libutils",
         "libui",
+        "libbinder",
+        "libbinder_ndk",
         "android.hardware.graphics.common@1.1",
     ],
 
diff --git a/libs/nativewindow/include/android/data_space.h b/libs/nativewindow/include/android/data_space.h
index 771844f..ad4cc4a 100644
--- a/libs/nativewindow/include/android/data_space.h
+++ b/libs/nativewindow/include/android/data_space.h
@@ -548,14 +548,14 @@
      *
      * This value is valid with formats HAL_PIXEL_FORMAT_Y16 and HAL_PIXEL_FORMAT_BLOB.
      */
-    DEPTH = 4096,
+    ADATASPACE_DEPTH = 4096,
 
     /**
      * ISO 16684-1:2011(E) Dynamic Depth:
      *
      * Embedded depth metadata following the dynamic depth specification.
      */
-    DYNAMIC_DEPTH = 4098
+    ADATASPACE_DYNAMIC_DEPTH = 4098
 };
 
 __END_DECLS
diff --git a/libs/nativewindow/include/android/hardware_buffer_aidl.h b/libs/nativewindow/include/android/hardware_buffer_aidl.h
new file mode 100644
index 0000000..906d9c6
--- /dev/null
+++ b/libs/nativewindow/include/android/hardware_buffer_aidl.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file hardware_buffer_aidl.h
+ * @brief HardwareBuffer NDK AIDL glue code
+ */
+
+/**
+ * @addtogroup AHardwareBuffer
+ *
+ * Parcelable support for AHardwareBuffer. Can be used with libbinder_ndk
+ *
+ * @{
+ */
+
+#ifndef ANDROID_HARDWARE_BUFFER_AIDL_H
+#define ANDROID_HARDWARE_BUFFER_AIDL_H
+
+#include <android/binder_parcel.h>
+#include <android/hardware_buffer.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/**
+ * Read an AHardwareBuffer from a AParcel. The output buffer will have an
+ * initial reference acquired and will need to be released with
+ * AHardwareBuffer_release.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success
+ *         STATUS_BAD_VALUE if the parcel or outBuffer is null, or if there's an
+ *                          issue deserializing (eg, corrupted parcel)
+ *         STATUS_BAD_TYPE if the parcel's current data position is not that of
+ *                         an AHardwareBuffer type
+ *         STATUS_NO_MEMORY if an allocation fails
+ */
+binder_status_t AHardwareBuffer_readFromParcel(const AParcel* _Nonnull parcel,
+        AHardwareBuffer* _Nullable* _Nonnull outBuffer) __INTRODUCED_IN(34);
+
+/**
+ * Write an AHardwareBuffer to an AParcel.
+ *
+ * Available since API level 34.
+ *
+ * \return STATUS_OK on success.
+ *         STATUS_BAD_VALUE if either buffer or parcel is null, or if the AHardwareBuffer*
+ *                          fails to serialize (eg, internally corrupted)
+ *         STATUS_NO_MEMORY if the parcel runs out of space to store the buffer & is
+ *                          unable to allocate more
+ *         STATUS_FDS_NOT_ALLOWED if the parcel does not allow storing FDs
+ */
+binder_status_t AHardwareBuffer_writeToParcel(const AHardwareBuffer* _Nonnull buffer,
+        AParcel* _Nonnull parcel) __INTRODUCED_IN(34);
+
+__END_DECLS
+
+// Only enable the AIDL glue helper if this is C++
+#ifdef __cplusplus
+
+namespace aidl::android::hardware {
+
+/**
+ * Wrapper class that enables interop with AIDL NDK generation
+ * Takes ownership of the AHardwareBuffer* given to it in reset() and will automatically
+ * destroy it in the destructor, similar to a smart pointer container
+ */
+class HardwareBuffer {
+public:
+    HardwareBuffer() noexcept {}
+    explicit HardwareBuffer(HardwareBuffer&& other) noexcept : mBuffer(other.release()) {}
+
+    ~HardwareBuffer() {
+        reset();
+    }
+
+    binder_status_t readFromParcel(const AParcel* _Nonnull parcel) {
+        reset();
+        return AHardwareBuffer_readFromParcel(parcel, &mBuffer);
+    }
+
+    binder_status_t writeToParcel(AParcel* _Nonnull parcel) const {
+        if (!mBuffer) {
+            return STATUS_BAD_VALUE;
+        }
+        return AHardwareBuffer_writeToParcel(mBuffer, parcel);
+    }
+
+    /**
+     * Destroys any currently owned AHardwareBuffer* and takes ownership of the given
+     * AHardwareBuffer*
+     *
+     * @param buffer The buffer to take ownership of
+     */
+    void reset(AHardwareBuffer* _Nullable buffer = nullptr) noexcept {
+        if (mBuffer) {
+            AHardwareBuffer_release(mBuffer);
+            mBuffer = nullptr;
+        }
+        mBuffer = buffer;
+    }
+
+    inline AHardwareBuffer* _Nullable operator-> () const { return mBuffer;  }
+    inline AHardwareBuffer* _Nullable get() const { return mBuffer; }
+    inline explicit operator bool () const { return mBuffer != nullptr; }
+
+    HardwareBuffer& operator=(HardwareBuffer&& other) noexcept {
+        reset(other.release());
+        return *this;
+    }
+
+    /**
+     * Stops managing any contained AHardwareBuffer*, returning it to the caller. Ownership
+     * is released.
+     * @return AHardwareBuffer* or null if this was empty
+     */
+    [[nodiscard]] AHardwareBuffer* _Nullable release() noexcept {
+        AHardwareBuffer* _Nullable ret = mBuffer;
+        mBuffer = nullptr;
+        return ret;
+    }
+
+private:
+    HardwareBuffer(const HardwareBuffer& other) = delete;
+    HardwareBuffer& operator=(const HardwareBuffer& other) = delete;
+
+    AHardwareBuffer* _Nullable mBuffer = nullptr;
+};
+
+} // aidl::android::hardware
+
+#endif // __cplusplus
+
+#endif // ANDROID_HARDWARE_BUFFER_AIDL_H
+
+/** @} */
diff --git a/libs/nativewindow/include/android/native_window.h b/libs/nativewindow/include/android/native_window.h
index f0e1c4d..281ec52 100644
--- a/libs/nativewindow/include/android/native_window.h
+++ b/libs/nativewindow/include/android/native_window.h
@@ -227,6 +227,16 @@
  */
 int32_t ANativeWindow_getBuffersDataSpace(ANativeWindow* window) __INTRODUCED_IN(28);
 
+/**
+ * Get the default dataspace of the buffers in window as set by the consumer.
+ *
+ * Available since API level 34.
+ *
+ * \return the dataspace of buffers in window, ADATASPACE_UNKNOWN is returned if
+ * dataspace is unknown, or -EINVAL if window is invalid.
+ */
+int32_t ANativeWindow_getBuffersDefaultDataSpace(ANativeWindow* window) __INTRODUCED_IN(34);
+
 /** Compatibility value for ANativeWindow_setFrameRate. */
 enum ANativeWindow_FrameRateCompatibility {
     /**
@@ -303,6 +313,8 @@
  * You can register for changes in the refresh rate using
  * \a AChoreographer_registerRefreshRateCallback.
  *
+ * See ANativeWindow_clearFrameRate().
+ *
  * Available since API level 31.
  *
  * \param window pointer to an ANativeWindow object.
@@ -332,6 +344,37 @@
         int8_t compatibility, int8_t changeFrameRateStrategy)
         __INTRODUCED_IN(31);
 
+/**
+ * Clears the frame rate which is set for this window.
+ *
+ * This is equivalent to calling
+ * ANativeWindow_setFrameRateWithChangeStrategy(window, 0, compatibility, changeFrameRateStrategy).
+ *
+ * Usage of this API won't introduce frame rate throttling,
+ * or affect other aspects of the application's frame production
+ * pipeline. However, because the system may change the display refresh rate,
+ * calls to this function may result in changes to Choreographer callback
+ * timings, and changes to the time interval at which the system releases
+ * buffers back to the application.
+ *
+ * Note that this only has an effect for windows presented on the display. If
+ * this ANativeWindow is consumed by something other than the system compositor,
+ * e.g. a media codec, this call has no effect.
+ *
+ * You can register for changes in the refresh rate using
+ * \a AChoreographer_registerRefreshRateCallback.
+ *
+ * See ANativeWindow_setFrameRateWithChangeStrategy().
+ *
+ * Available since API level 34.
+ *
+ * \param window pointer to an ANativeWindow object.
+ *
+ * \return 0 for success, -EINVAL if the window value is invalid.
+ */
+int32_t ANativeWindow_clearFrameRate(ANativeWindow* window)
+        __INTRODUCED_IN(__ANDROID_API_U__);
+
 #ifdef __cplusplus
 };
 #endif
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index a54af1f..79f49e1 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -1034,6 +1034,11 @@
      * This surface is ignored while choosing the refresh rate.
      */
     ANATIVEWINDOW_FRAME_RATE_NO_VOTE,
+
+    /**
+     * This surface will vote for the minimum refresh rate.
+     */
+    ANATIVEWINDOW_FRAME_RATE_MIN
 };
 
 static inline int native_window_set_frame_rate(struct ANativeWindow* window, float frameRate,
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
index da42a96..ce108b6 100644
--- a/libs/nativewindow/libnativewindow.map.txt
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -14,6 +14,8 @@
     AHardwareBuffer_release;
     AHardwareBuffer_sendHandleToUnixSocket;
     AHardwareBuffer_unlock;
+    AHardwareBuffer_readFromParcel; # introduced=34
+    AHardwareBuffer_writeToParcel; # introduced=34
     ANativeWindowBuffer_getHardwareBuffer; # llndk
     ANativeWindow_OemStorageGet; # llndk
     ANativeWindow_OemStorageSet; # llndk
@@ -21,6 +23,7 @@
     ANativeWindow_cancelBuffer; # llndk
     ANativeWindow_dequeueBuffer; # llndk
     ANativeWindow_getBuffersDataSpace; # introduced=28
+    ANativeWindow_getBuffersDefaultDataSpace; # introduced=34
     ANativeWindow_getFormat;
     ANativeWindow_getHeight;
     ANativeWindow_getLastDequeueDuration; # systemapi # introduced=30
@@ -48,6 +51,7 @@
     ANativeWindow_setDequeueTimeout; # systemapi # introduced=30
     ANativeWindow_setFrameRate; # introduced=30
     ANativeWindow_setFrameRateWithChangeStrategy; # introduced=31
+    ANativeWindow_clearFrameRate; # introduced=UpsideDownCake
     ANativeWindow_setSharedBufferMode; # llndk
     ANativeWindow_setSwapInterval; # llndk
     ANativeWindow_setUsage; # llndk
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index f6f57dd..0540538 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -21,13 +21,15 @@
 
 cc_defaults {
     name: "librenderengine_defaults",
-    defaults: ["renderengine_defaults"],
+    defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
+        "renderengine_defaults",
+    ],
     cflags: [
         "-DGL_GLEXT_PROTOTYPES",
         "-DEGL_EGLEXT_PROTOTYPES",
     ],
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libEGL",
diff --git a/libs/renderengine/RenderEngine.cpp b/libs/renderengine/RenderEngine.cpp
index c7ad058..9d9cb6b 100644
--- a/libs/renderengine/RenderEngine.cpp
+++ b/libs/renderengine/RenderEngine.cpp
@@ -63,12 +63,13 @@
                         "output buffer not gpu writeable");
 }
 
-std::future<RenderEngineResult> RenderEngine::drawLayers(
-        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-        const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-        base::unique_fd&& bufferFence) {
-    const auto resultPromise = std::make_shared<std::promise<RenderEngineResult>>();
-    std::future<RenderEngineResult> resultFuture = resultPromise->get_future();
+ftl::Future<FenceResult> RenderEngine::drawLayers(const DisplaySettings& display,
+                                                  const std::vector<LayerSettings>& layers,
+                                                  const std::shared_ptr<ExternalTexture>& buffer,
+                                                  const bool useFramebufferCache,
+                                                  base::unique_fd&& bufferFence) {
+    const auto resultPromise = std::make_shared<std::promise<FenceResult>>();
+    std::future<FenceResult> resultFuture = resultPromise->get_future();
     drawLayersInternal(std::move(resultPromise), display, layers, buffer, useFramebufferCache,
                        std::move(bufferFence));
     return resultFuture;
diff --git a/libs/renderengine/benchmark/Android.bp b/libs/renderengine/benchmark/Android.bp
index 249fec5..afbe6cf 100644
--- a/libs/renderengine/benchmark/Android.bp
+++ b/libs/renderengine/benchmark/Android.bp
@@ -24,6 +24,7 @@
 cc_benchmark {
     name: "librenderengine_bench",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "skia_deps",
         "surfaceflinger_defaults",
     ],
@@ -43,7 +44,6 @@
     ],
 
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libjnigraphics",
diff --git a/libs/renderengine/benchmark/RenderEngineBench.cpp b/libs/renderengine/benchmark/RenderEngineBench.cpp
index ead97cf..739f3fa 100644
--- a/libs/renderengine/benchmark/RenderEngineBench.cpp
+++ b/libs/renderengine/benchmark/RenderEngineBench.cpp
@@ -117,11 +117,12 @@
                                                        uint64_t extraUsageFlags = 0,
                                                        std::string name = "output") {
     return std::make_shared<
-            impl::ExternalTexture>(new GraphicBuffer(width, height, HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                     GRALLOC_USAGE_HW_RENDER |
-                                                             GRALLOC_USAGE_HW_TEXTURE |
-                                                             extraUsageFlags,
-                                                     std::move(name)),
+            impl::ExternalTexture>(sp<GraphicBuffer>::make(width, height,
+                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1u,
+                                                           GRALLOC_USAGE_HW_RENDER |
+                                                                   GRALLOC_USAGE_HW_TEXTURE |
+                                                                   extraUsageFlags,
+                                                           std::move(name)),
                                    re,
                                    impl::ExternalTexture::Usage::READABLE |
                                            impl::ExternalTexture::Usage::WRITEABLE);
@@ -158,9 +159,10 @@
     };
     auto layers = std::vector<LayerSettings>{layer};
 
-    auto [status, drawFence] =
-            re.drawLayers(display, layers, texture, kUseFrameBufferCache, base::unique_fd()).get();
-    sp<Fence> waitFence = sp<Fence>::make(std::move(drawFence));
+    sp<Fence> waitFence =
+            re.drawLayers(display, layers, texture, kUseFrameBufferCache, base::unique_fd())
+                    .get()
+                    .value();
     waitFence->waitForever(LOG_TAG);
     return texture;
 }
@@ -189,10 +191,10 @@
 
     // This loop starts and stops the timer.
     for (auto _ : benchState) {
-        auto [status, drawFence] = re.drawLayers(display, layers, outputBuffer,
-                                                 kUseFrameBufferCache, base::unique_fd())
-                                           .get();
-        sp<Fence> waitFence = sp<Fence>::make(std::move(drawFence));
+        sp<Fence> waitFence = re.drawLayers(display, layers, outputBuffer, kUseFrameBufferCache,
+                                            base::unique_fd())
+                                      .get()
+                                      .value();
         waitFence->waitForever(LOG_TAG);
     }
 
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 22dd866..13f766c 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -454,8 +454,9 @@
     mImageManager->initThread();
     mDrawingBuffer = createFramebuffer();
     sp<GraphicBuffer> buf =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888, 1,
-                              GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE, "placeholder");
+            sp<GraphicBuffer>::make(1, 1, PIXEL_FORMAT_RGBA_8888, 1,
+                                    GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE,
+                                    "placeholder");
 
     const status_t err = buf->initCheck();
     if (err != OK) {
@@ -921,7 +922,8 @@
 
     // Finally, we cut the layer into 3 parts, with top and bottom parts having rounded corners
     // and the middle part without rounded corners.
-    const int32_t radius = ceil(layer.geometry.roundedCornersRadius);
+    const int32_t radius = ceil(
+            (layer.geometry.roundedCornersRadius.x + layer.geometry.roundedCornersRadius.y) / 2.0);
     const Rect topRect(bounds.left, bounds.top, bounds.right, bounds.top + radius);
     setScissor(topRect);
     drawMesh(mesh);
@@ -1079,14 +1081,14 @@
 }
 
 void GLESRenderEngine::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
     ATRACE_CALL();
     if (layers.empty()) {
         ALOGV("Drawing empty layer stack");
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
+        resultPromise->set_value(Fence::NO_FENCE);
         return;
     }
 
@@ -1101,7 +1103,7 @@
 
     if (buffer == nullptr) {
         ALOGE("No output buffer provided. Aborting GPU composition.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
         return;
     }
 
@@ -1130,7 +1132,7 @@
             ALOGE("Failed to bind framebuffer! Aborting GPU composition for buffer (%p).",
                   buffer->getBuffer()->handle);
             checkErrors();
-            resultPromise->set_value({fbo->getStatus(), base::unique_fd()});
+            resultPromise->set_value(base::unexpected(fbo->getStatus()));
             return;
         }
         setViewportAndProjection(display.physicalDisplay, display.clip);
@@ -1142,7 +1144,7 @@
             ALOGE("Failed to prepare blur filter! Aborting GPU composition for buffer (%p).",
                   buffer->getBuffer()->handle);
             checkErrors();
-            resultPromise->set_value({status, base::unique_fd()});
+            resultPromise->set_value(base::unexpected(status));
             return;
         }
     }
@@ -1176,7 +1178,7 @@
                 ALOGE("Failed to render blur effect! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't render first blur pass");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
 
@@ -1199,7 +1201,7 @@
                 ALOGE("Failed to bind framebuffer! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't bind native framebuffer");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
 
@@ -1208,7 +1210,7 @@
                 ALOGE("Failed to render blur effect! Aborting GPU composition for buffer (%p).",
                       buffer->getBuffer()->handle);
                 checkErrors("Can't render blur filter");
-                resultPromise->set_value({status, base::unique_fd()});
+                resultPromise->set_value(base::unexpected(status));
                 return;
             }
         }
@@ -1266,23 +1268,24 @@
 
         const half3 solidColor = layer.source.solidColor;
         const half4 color = half4(solidColor.r, solidColor.g, solidColor.b, layer.alpha);
+        const float radius =
+                (layer.geometry.roundedCornersRadius.x + layer.geometry.roundedCornersRadius.y) /
+                2.0f;
         // Buffer sources will have a black solid color ignored in the shader,
         // so in that scenario the solid color passed here is arbitrary.
-        setupLayerBlending(usePremultipliedAlpha, isOpaque, disableTexture, color,
-                           layer.geometry.roundedCornersRadius);
+        setupLayerBlending(usePremultipliedAlpha, isOpaque, disableTexture, color, radius);
         if (layer.disableBlending) {
             glDisable(GL_BLEND);
         }
         setSourceDataSpace(layer.sourceDataspace);
 
         if (layer.shadow.length > 0.0f) {
-            handleShadow(layer.geometry.boundaries, layer.geometry.roundedCornersRadius,
-                         layer.shadow);
+            handleShadow(layer.geometry.boundaries, radius, layer.shadow);
         }
         // We only want to do a special handling for rounded corners when having rounded corners
         // is the only reason it needs to turn on blending, otherwise, we handle it like the
         // usual way since it needs to turn on blending anyway.
-        else if (layer.geometry.roundedCornersRadius > 0.0 && color.a >= 1.0f && isOpaque) {
+        else if (radius > 0.0 && color.a >= 1.0f && isOpaque) {
             handleRoundedCorners(display, layer, mesh);
         } else {
             drawMesh(mesh);
@@ -1307,7 +1310,7 @@
             checkErrors();
             // Chances are, something illegal happened (either the caller passed
             // us bad parameters, or we messed up our shader generation).
-            resultPromise->set_value({INVALID_OPERATION, std::move(drawFence)});
+            resultPromise->set_value(base::unexpected(INVALID_OPERATION));
             return;
         }
         mLastDrawFence = nullptr;
@@ -1319,8 +1322,7 @@
     mPriorResourcesCleaned = false;
 
     checkErrors();
-    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
-    return;
+    resultPromise->set_value(sp<Fence>::make(std::move(drawFence)));
 }
 
 void GLESRenderEngine::setViewportAndProjection(Rect viewport, Rect clip) {
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 1d7c2ca..1ee5cba 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -31,6 +31,7 @@
 #include <renderengine/RenderEngine.h>
 #include <renderengine/private/Description.h>
 #include <sys/types.h>
+#include <ui/FenceResult.h>
 #include "GLShadowTexture.h"
 #include "ImageManager.h"
 
@@ -102,7 +103,7 @@
             EXCLUDES(mRenderingMutex);
     void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) EXCLUDES(mRenderingMutex);
     bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                             const DisplaySettings& display,
                             const std::vector<LayerSettings>& layers,
                             const std::shared_ptr<ExternalTexture>& buffer,
diff --git a/libs/renderengine/include/renderengine/BorderRenderInfo.h b/libs/renderengine/include/renderengine/BorderRenderInfo.h
new file mode 100644
index 0000000..0ee6661
--- /dev/null
+++ b/libs/renderengine/include/renderengine/BorderRenderInfo.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <math/mat4.h>
+#include <ui/Region.h>
+
+namespace android {
+namespace renderengine {
+
+struct BorderRenderInfo {
+    float width = 0;
+    half4 color;
+    Region combinedRegion;
+
+    bool operator==(const BorderRenderInfo& rhs) const {
+        return (width == rhs.width && color == rhs.color &&
+                combinedRegion.hasSameRects(rhs.combinedRegion));
+    }
+};
+
+} // namespace renderengine
+} // namespace android
\ No newline at end of file
diff --git a/libs/renderengine/include/renderengine/DisplaySettings.h b/libs/renderengine/include/renderengine/DisplaySettings.h
index 59ef991..25fe9f2 100644
--- a/libs/renderengine/include/renderengine/DisplaySettings.h
+++ b/libs/renderengine/include/renderengine/DisplaySettings.h
@@ -22,6 +22,7 @@
 
 #include <math/mat4.h>
 #include <renderengine/PrintMatrix.h>
+#include <renderengine/BorderRenderInfo.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
@@ -79,6 +80,8 @@
     // Configures the rendering intent of the output display. This is used for tonemapping.
     aidl::android::hardware::graphics::composer3::RenderIntent renderIntent =
             aidl::android::hardware::graphics::composer3::RenderIntent::TONE_MAP_COLORIMETRIC;
+
+    std::vector<renderengine::BorderRenderInfo> borderInfoList;
 };
 
 static inline bool operator==(const DisplaySettings& lhs, const DisplaySettings& rhs) {
@@ -90,7 +93,8 @@
             lhs.deviceHandlesColorTransform == rhs.deviceHandlesColorTransform &&
             lhs.orientation == rhs.orientation &&
             lhs.targetLuminanceNits == rhs.targetLuminanceNits &&
-            lhs.dimmingStage == rhs.dimmingStage && lhs.renderIntent == rhs.renderIntent;
+            lhs.dimmingStage == rhs.dimmingStage && lhs.renderIntent == rhs.renderIntent &&
+            lhs.borderInfoList == rhs.borderInfoList;
 }
 
 static const char* orientation_to_string(uint32_t orientation) {
diff --git a/libs/renderengine/include/renderengine/LayerSettings.h b/libs/renderengine/include/renderengine/LayerSettings.h
index 154e526..b3a617c 100644
--- a/libs/renderengine/include/renderengine/LayerSettings.h
+++ b/libs/renderengine/include/renderengine/LayerSettings.h
@@ -87,7 +87,7 @@
     // rectangle to figure out how to apply the radius for this layer. The crop rectangle will be
     // in local layer coordinate space, so we have to take the layer transform into account when
     // walking up the tree.
-    float roundedCornersRadius = 0.0;
+    vec2 roundedCornersRadius = vec2(0.0f, 0.0f);
 
     // Rectangle within which corners will be rounded.
     FloatRect roundedCornersCrop = FloatRect();
@@ -258,7 +258,8 @@
     PrintTo(settings.boundaries, os);
     *os << "\n    .positionTransform = ";
     PrintMatrix(settings.positionTransform, os);
-    *os << "\n    .roundedCornersRadius = " << settings.roundedCornersRadius;
+    *os << "\n    .roundedCornersRadiusX = " << settings.roundedCornersRadius.x;
+    *os << "\n    .roundedCornersRadiusY = " << settings.roundedCornersRadius.y;
     *os << "\n    .roundedCornersCrop = ";
     PrintTo(settings.roundedCornersCrop, os);
     *os << "\n}";
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 3e7f69c..199392c 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -18,6 +18,7 @@
 #define SF_RENDERENGINE_H_
 
 #include <android-base/unique_fd.h>
+#include <ftl/future.h>
 #include <math/mat4.h>
 #include <renderengine/DisplaySettings.h>
 #include <renderengine/ExternalTexture.h>
@@ -26,6 +27,7 @@
 #include <renderengine/LayerSettings.h>
 #include <stdint.h>
 #include <sys/types.h>
+#include <ui/FenceResult.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Transform.h>
 
@@ -68,7 +70,6 @@
 class Mesh;
 class Texture;
 struct RenderEngineCreationArgs;
-struct RenderEngineResult;
 
 namespace threaded {
 class RenderEngineThreaded;
@@ -158,12 +159,13 @@
     // parameter does nothing.
     // @param bufferFence Fence signalling that the buffer is ready to be drawn
     // to.
-    // @return A future object of RenderEngineResult struct indicating whether
-    // drawing was successful in async mode.
-    virtual std::future<RenderEngineResult> drawLayers(
-            const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-            const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-            base::unique_fd&& bufferFence);
+    // @return A future object of FenceResult indicating whether drawing was
+    // successful in async mode.
+    virtual ftl::Future<FenceResult> drawLayers(const DisplaySettings& display,
+                                                const std::vector<LayerSettings>& layers,
+                                                const std::shared_ptr<ExternalTexture>& buffer,
+                                                const bool useFramebufferCache,
+                                                base::unique_fd&& bufferFence);
 
     // Clean-up method that should be called on the main thread after the
     // drawFence returned by drawLayers fires. This method will free up
@@ -237,7 +239,7 @@
     const RenderEngineType mRenderEngineType;
 
     virtual void drawLayersInternal(
-            const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+            const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
             const DisplaySettings& display, const std::vector<LayerSettings>& layers,
             const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
             base::unique_fd&& bufferFence) = 0;
@@ -327,13 +329,6 @@
             RenderEngine::RenderEngineType::SKIA_GL_THREADED;
 };
 
-struct RenderEngineResult {
-    // status indicates if drawing is successful
-    status_t status;
-    // drawFence will fire when the buffer has been drawn to and is ready to be examined.
-    base::unique_fd drawFence;
-};
-
 } // namespace renderengine
 } // namespace android
 
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index 248bd65..e3ce85d 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -48,14 +48,13 @@
     MOCK_METHOD0(cleanupPostRender, void());
     MOCK_CONST_METHOD0(canSkipPostRenderCleanup, bool());
     MOCK_METHOD5(drawLayers,
-                 std::future<RenderEngineResult>(const DisplaySettings&,
-                                                 const std::vector<LayerSettings>&,
-                                                 const std::shared_ptr<ExternalTexture>&,
-                                                 const bool, base::unique_fd&&));
+                 ftl::Future<FenceResult>(const DisplaySettings&, const std::vector<LayerSettings>&,
+                                          const std::shared_ptr<ExternalTexture>&, const bool,
+                                          base::unique_fd&&));
     MOCK_METHOD6(drawLayersInternal,
-                 void(const std::shared_ptr<std::promise<RenderEngineResult>>&&,
-                      const DisplaySettings&, const std::vector<LayerSettings>&,
-                      const std::shared_ptr<ExternalTexture>&, const bool, base::unique_fd&&));
+                 void(const std::shared_ptr<std::promise<FenceResult>>&&, const DisplaySettings&,
+                      const std::vector<LayerSettings>&, const std::shared_ptr<ExternalTexture>&,
+                      const bool, base::unique_fd&&));
     MOCK_METHOD0(cleanFramebufferCache, void());
     MOCK_METHOD0(getContextPriority, int());
     MOCK_METHOD0(supportsBackgroundBlur, bool());
diff --git a/libs/renderengine/skia/Cache.cpp b/libs/renderengine/skia/Cache.cpp
index f3064f3..f6b9183 100644
--- a/libs/renderengine/skia/Cache.cpp
+++ b/libs/renderengine/skia/Cache.cpp
@@ -66,7 +66,7 @@
                     Geometry{
                             .boundaries = rect,
                             .roundedCornersCrop = rect,
-                            .roundedCornersRadius = 50.f,
+                            .roundedCornersRadius = {50.f, 50.f},
                     },
             // drawShadow ignores alpha
             .shadow =
@@ -87,7 +87,7 @@
                     Geometry{
                             .boundaries = smallerRect,
                             .roundedCornersCrop = rect,
-                            .roundedCornersRadius = 50.f,
+                            .roundedCornersRadius = {50.f, 50.f},
                     },
             .source =
                     PixelSource{
@@ -148,7 +148,7 @@
         // In reduced shader mode, all non-zero round rect radii get the same code path.
         for (float roundedCornersRadius : {0.0f, 50.0f}) {
             // roundedCornersCrop is always set, but the radius triggers the behavior
-            layer.geometry.roundedCornersRadius = roundedCornersRadius;
+            layer.geometry.roundedCornersRadius = {roundedCornersRadius, roundedCornersRadius};
             for (bool isOpaque : {true, false}) {
                 layer.source.buffer.isOpaque = isOpaque;
                 for (auto alpha : {half(.2f), half(1.0f)}) {
@@ -181,7 +181,7 @@
     for (auto transform : {mat4(), kScaleAndTranslate}) {
         layer.geometry.positionTransform = transform;
         for (float roundedCornersRadius : {0.0f, 50.f}) {
-            layer.geometry.roundedCornersRadius = roundedCornersRadius;
+            layer.geometry.roundedCornersRadius = {roundedCornersRadius, roundedCornersRadius};
             auto layers = std::vector<LayerSettings>{layer};
             renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
                                      base::unique_fd());
@@ -238,7 +238,7 @@
             .geometry =
                     Geometry{
                             .boundaries = rect,
-                            .roundedCornersRadius = 27, // larger than the 20 above.
+                            .roundedCornersRadius = {27.f, 27.f},
                             .roundedCornersCrop =
                                     FloatRect(0, 0, displayRect.width(), displayRect.height()),
                     },
@@ -275,9 +275,9 @@
                             // larger than the layer bounds.
                             .positionTransform = kFlip,
                             .boundaries = rect,
-                            .roundedCornersRadius = 94.2551,
-                            .roundedCornersCrop = FloatRect(
-                                -93.75, 0, displayRect.width() + 93.75, displayRect.height()),
+                            .roundedCornersRadius = {94.2551f, 94.2551f},
+                            .roundedCornersCrop = FloatRect(-93.75, 0, displayRect.width() + 93.75,
+                                                            displayRect.height()),
                     },
             .source = PixelSource{.buffer =
                                           Buffer{
@@ -307,10 +307,11 @@
                             // the boundaries have to be smaller than the rounded crop so that
                             // clipRRect is used instead of drawRRect
                             .boundaries = small,
-                            .roundedCornersRadius = 50.f,
+                            .roundedCornersRadius = {50.f, 50.f},
                             .roundedCornersCrop = rect,
                     },
-            .source = PixelSource{
+            .source =
+                    PixelSource{
                             .solidColor = half3(0.f, 0.f, 0.f),
                     },
             .sourceDataspace = kDestDataSpace,
@@ -363,8 +364,8 @@
         const int64_t usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
 
         sp<GraphicBuffer> dstBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usage, "primeShaderCache_dst");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "primeShaderCache_dst");
 
         const auto dstTexture =
                 std::make_shared<impl::ExternalTexture>(dstBuffer, *renderengine,
@@ -374,8 +375,8 @@
         // something, but the details are not important. Make use of the shadow layer drawing step
         // to populate it.
         sp<GraphicBuffer> srcBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usage, "drawImageLayer_src");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "drawImageLayer_src");
 
         const auto srcTexture = std::make_shared<
                 impl::ExternalTexture>(srcBuffer, *renderengine,
@@ -397,8 +398,9 @@
         // GRALLOC_USAGE_HW_TEXTURE should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE.
         const int64_t usageExternal = GRALLOC_USAGE_HW_TEXTURE;
         sp<GraphicBuffer> externalBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
-                                  1, usageExternal, "primeShaderCache_external");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usageExternal,
+                                        "primeShaderCache_external");
         const auto externalTexture =
                 std::make_shared<impl::ExternalTexture>(externalBuffer, *renderengine,
                                                         impl::ExternalTexture::Usage::READABLE);
@@ -408,8 +410,9 @@
         // Another external texture with a different pixel format triggers useIsOpaqueWorkaround.
         // It doesn't have to be f16, but it can't be the usual 8888.
         sp<GraphicBuffer> f16ExternalBuffer =
-                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_FP16,
-                                  1, usageExternal, "primeShaderCache_external_f16");
+                sp<GraphicBuffer>::make(displayRect.width(), displayRect.height(),
+                                        PIXEL_FORMAT_RGBA_FP16, 1, usageExternal,
+                                        "primeShaderCache_external_f16");
         // The F16 texture may not be usable on all devices, so check first that it was created.
         status_t error = f16ExternalBuffer->initCheck();
         if (!error) {
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 97271cb..347b8b7 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -24,24 +24,11 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <GrContextOptions.h>
-#include <SkCanvas.h>
-#include <SkColorFilter.h>
-#include <SkColorMatrix.h>
-#include <SkColorSpace.h>
-#include <SkGraphics.h>
-#include <SkImage.h>
-#include <SkImageFilters.h>
-#include <SkRegion.h>
-#include <SkShadowUtils.h>
-#include <SkSurface.h>
 #include <android-base/stringprintf.h>
 #include <gl/GrGLInterface.h>
 #include <gui/TraceUtils.h>
 #include <sync/sync.h>
-#include <ui/BlurRegion.h>
-#include <ui/DataspaceUtils.h>
 #include <ui/DebugUtils.h>
-#include <ui/GraphicBuffer.h>
 #include <utils/Trace.h>
 
 #include <cmath>
@@ -50,25 +37,7 @@
 #include <numeric>
 
 #include "../gl/GLExtensions.h"
-#include "Cache.h"
-#include "ColorSpaces.h"
-#include "SkBlendMode.h"
-#include "SkImageInfo.h"
-#include "filters/BlurFilter.h"
-#include "filters/GaussianBlurFilter.h"
-#include "filters/KawaseBlurFilter.h"
-#include "filters/LinearEffect.h"
 #include "log/log_main.h"
-#include "skia/debug/SkiaCapture.h"
-#include "skia/debug/SkiaMemoryReporter.h"
-#include "skia/filters/StretchShaderFactory.h"
-#include "system/graphics-base-v1.0.h"
-
-namespace {
-// Debugging settings
-static const bool kPrintLayerSettings = false;
-static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
-} // namespace
 
 bool checkGlError(const char* op, int lineNumber);
 
@@ -227,6 +196,7 @@
     std::unique_ptr<SkiaGLRenderEngine> engine =
             std::make_unique<SkiaGLRenderEngine>(args, display, ctxt, placeholder, protectedContext,
                                                  protectedPlaceholder);
+    engine->ensureGrContextsCreated();
 
     ALOGI("OpenGL ES informations:");
     ALOGI("vendor    : %s", extensions.getVendor());
@@ -239,11 +209,6 @@
     return engine;
 }
 
-std::future<void> SkiaGLRenderEngine::primeCache() {
-    Cache::primeShaderCache(this);
-    return {};
-}
-
 EGLConfig SkiaGLRenderEngine::chooseEglConfig(EGLDisplay display, int format, bool logConfig) {
     status_t err;
     EGLConfig config;
@@ -283,72 +248,20 @@
     return config;
 }
 
-sk_sp<SkData> SkiaGLRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
-    // This "cache" does not actually cache anything. It just allows us to
-    // monitor Skia's internal cache. So this method always returns null.
-    return nullptr;
-}
-
-void SkiaGLRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
-                                                 const SkString& description) {
-    mShadersCachedSinceLastCall++;
-    mTotalShadersCompiled++;
-    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
-}
-
-int SkiaGLRenderEngine::reportShadersCompiled() {
-    return mSkSLCacheMonitor.totalShadersCompiled();
-}
-
 SkiaGLRenderEngine::SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display,
                                        EGLContext ctxt, EGLSurface placeholder,
                                        EGLContext protectedContext, EGLSurface protectedPlaceholder)
-      : SkiaRenderEngine(args.renderEngineType),
+      : SkiaRenderEngine(args.renderEngineType,
+                         static_cast<PixelFormat>(args.pixelFormat),
+                         args.useColorManagement, args.supportsBackgroundBlur),
         mEGLDisplay(display),
         mEGLContext(ctxt),
         mPlaceholderSurface(placeholder),
         mProtectedEGLContext(protectedContext),
-        mProtectedPlaceholderSurface(protectedPlaceholder),
-        mDefaultPixelFormat(static_cast<PixelFormat>(args.pixelFormat)),
-        mUseColorManagement(args.useColorManagement) {
-    sk_sp<const GrGLInterface> glInterface(GrGLCreateNativeInterface());
-    LOG_ALWAYS_FATAL_IF(!glInterface.get());
-
-    GrContextOptions options;
-    options.fDisableDriverCorrectnessWorkarounds = true;
-    options.fDisableDistanceFieldPaths = true;
-    options.fReducedShaderVariations = true;
-    options.fPersistentCache = &mSkSLCacheMonitor;
-    mGrContext = GrDirectContext::MakeGL(glInterface, options);
-    if (supportsProtectedContent()) {
-        useProtectedContext(true);
-        mProtectedGrContext = GrDirectContext::MakeGL(glInterface, options);
-        useProtectedContext(false);
-    }
-
-    if (args.supportsBackgroundBlur) {
-        ALOGD("Background Blurs Enabled");
-        mBlurFilter = new KawaseBlurFilter();
-    }
-    mCapture = std::make_unique<SkiaCapture>();
-}
+        mProtectedPlaceholderSurface(protectedPlaceholder) { }
 
 SkiaGLRenderEngine::~SkiaGLRenderEngine() {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (mBlurFilter) {
-        delete mBlurFilter;
-    }
-
-    mCapture = nullptr;
-
-    mGrContext->flushAndSubmit(true);
-    mGrContext->abandonContext();
-
-    if (mProtectedGrContext) {
-        mProtectedGrContext->flushAndSubmit(true);
-        mProtectedGrContext->abandonContext();
-    }
-
+    finishRenderingAndAbandonContext();
     if (mPlaceholderSurface != EGL_NO_SURFACE) {
         eglDestroySurface(mEGLDisplay, mPlaceholderSurface);
     }
@@ -366,71 +279,69 @@
     eglReleaseThread();
 }
 
-bool SkiaGLRenderEngine::supportsProtectedContent() const {
+SkiaRenderEngine::Contexts SkiaGLRenderEngine::createDirectContexts(
+    const GrContextOptions& options) {
+
+    LOG_ALWAYS_FATAL_IF(isProtected(),
+                        "Cannot setup contexts while already in protected mode");
+
+    sk_sp<const GrGLInterface> glInterface = GrGLMakeNativeInterface();
+
+    LOG_ALWAYS_FATAL_IF(!glInterface.get(), "GrGLMakeNativeInterface() failed");
+
+    SkiaRenderEngine::Contexts contexts;
+    contexts.first = GrDirectContext::MakeGL(glInterface, options);
+    if (supportsProtectedContentImpl()) {
+        useProtectedContextImpl(GrProtected::kYes);
+        contexts.second = GrDirectContext::MakeGL(glInterface, options);
+        useProtectedContextImpl(GrProtected::kNo);
+    }
+
+    return contexts;
+}
+
+bool SkiaGLRenderEngine::supportsProtectedContentImpl() const {
     return mProtectedEGLContext != EGL_NO_CONTEXT;
 }
 
-GrDirectContext* SkiaGLRenderEngine::getActiveGrContext() const {
-    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
-}
-
-void SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
-    if (useProtectedContext == mInProtectedContext ||
-        (useProtectedContext && !supportsProtectedContent())) {
-        return;
-    }
-
-    // release any scratch resources before switching into a new mode
-    if (getActiveGrContext()) {
-        getActiveGrContext()->purgeUnlockedResources(true);
-    }
-
+bool SkiaGLRenderEngine::useProtectedContextImpl(GrProtected isProtected) {
     const EGLSurface surface =
-            useProtectedContext ? mProtectedPlaceholderSurface : mPlaceholderSurface;
-    const EGLContext context = useProtectedContext ? mProtectedEGLContext : mEGLContext;
+        (isProtected == GrProtected::kYes) ?
+        mProtectedPlaceholderSurface : mPlaceholderSurface;
+    const EGLContext context = (isProtected == GrProtected::kYes) ?
+        mProtectedEGLContext : mEGLContext;
 
-    if (eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE) {
-        mInProtectedContext = useProtectedContext;
-        // given that we are sharing the same thread between two GrContexts we need to
-        // make sure that the thread state is reset when switching between the two.
-        if (getActiveGrContext()) {
-            getActiveGrContext()->resetContext();
-        }
-    }
+    return eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE;
 }
 
-base::unique_fd SkiaGLRenderEngine::flush() {
-    ATRACE_CALL();
-    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
-        return base::unique_fd();
-    }
-
-    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
-    if (sync == EGL_NO_SYNC_KHR) {
-        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
-        return base::unique_fd();
-    }
-
-    // native fence fd will not be populated until flush() is done.
-    glFlush();
-
-    // get the fence fd
-    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
-    eglDestroySyncKHR(mEGLDisplay, sync);
-    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
-    }
-
-    return fenceFd;
-}
-
-void SkiaGLRenderEngine::waitFence(base::borrowed_fd fenceFd) {
+void SkiaGLRenderEngine::waitFence(GrDirectContext*, base::borrowed_fd fenceFd) {
     if (fenceFd.get() >= 0 && !waitGpuFence(fenceFd)) {
         ATRACE_NAME("SkiaGLRenderEngine::waitFence");
         sync_wait(fenceFd.get(), -1);
     }
 }
 
+base::unique_fd SkiaGLRenderEngine::flushAndSubmit(GrDirectContext* grContext) {
+    base::unique_fd drawFence = flush();
+
+    bool requireSync = drawFence.get() < 0;
+    if (requireSync) {
+        ATRACE_BEGIN("Submit(sync=true)");
+    } else {
+        ATRACE_BEGIN("Submit(sync=false)");
+    }
+    bool success = grContext->submit(requireSync);
+    ATRACE_END();
+    if (!success) {
+        ALOGE("Failed to flush RenderEngine commands");
+        // Chances are, something illegal happened (Skia's internal GPU object
+        // doesn't exist, or the context was abandoned).
+        return drawFence;
+    }
+
+    return drawFence;
+}
+
 bool SkiaGLRenderEngine::waitGpuFence(base::borrowed_fd fenceFd) {
     if (!gl::GLExtensions::getInstance().hasNativeFenceSync() ||
         !gl::GLExtensions::getInstance().hasWaitSync()) {
@@ -466,960 +377,29 @@
     return true;
 }
 
-static float toDegrees(uint32_t transform) {
-    switch (transform) {
-        case ui::Transform::ROT_90:
-            return 90.0;
-        case ui::Transform::ROT_180:
-            return 180.0;
-        case ui::Transform::ROT_270:
-            return 270.0;
-        default:
-            return 0.0;
-    }
-}
-
-static SkColorMatrix toSkColorMatrix(const mat4& matrix) {
-    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
-                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
-                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
-                         matrix[3][3], 0);
-}
-
-static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
-    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
-    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
-
-    // Treat unsupported dataspaces as srgb
-    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-
-    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
-            sourceTransfer != destTransfer;
-}
-
-void SkiaGLRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
-                                                  bool isRenderable) {
-    // Only run this if RE is running on its own thread. This way the access to GL
-    // operations is guaranteed to be happening on the same thread.
-    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {
-        return;
-    }
-    // We currently don't attempt to map a buffer if the buffer contains protected content
-    // because GPU resources for protected buffers is much more limited.
-    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
-    if (isProtectedBuffer) {
-        return;
-    }
+base::unique_fd SkiaGLRenderEngine::flush() {
     ATRACE_CALL();
-
-    // If we were to support caching protected buffers then we will need to switch the
-    // currently bound context if we are not already using the protected context (and subsequently
-    // switch back after the buffer is cached).  However, for non-protected content we can bind
-    // the texture in either GL context because they are initialized with the same share_context
-    // which allows the texture state to be shared between them.
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mGraphicBufferExternalRefs[buffer->getId()]++;
-
-    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
-        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->toAHardwareBuffer(),
-                                                               isRenderable, mTextureCleanupMgr);
-        cache.insert({buffer->getId(), imageTextureRef});
-    }
-}
-
-void SkiaGLRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
-        iter != mGraphicBufferExternalRefs.end()) {
-        if (iter->second == 0) {
-            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
-                  "> from RenderEngine texture, but the "
-                  "ref count was already zero!",
-                  buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-            return;
-        }
-
-        iter->second--;
-
-        // Swap contexts if needed prior to deleting this buffer
-        // See Issue 1 of
-        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
-        // when a protected context and an unprotected context are part of the same share group,
-        // protected surfaces may not be accessed by an unprotected context, implying that protected
-        // surfaces may only be freed when a protected context is active.
-        const bool inProtected = mInProtectedContext;
-        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
-
-        if (iter->second == 0) {
-            mTextureCache.erase(buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-        }
-
-        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
-        // are up-to-date.
-        if (inProtected != mInProtectedContext) {
-            useProtectedContext(inProtected);
-        }
-    }
-}
-
-bool SkiaGLRenderEngine::canSkipPostRenderCleanup() const {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    return mTextureCleanupMgr.isEmpty();
-}
-
-void SkiaGLRenderEngine::cleanupPostRender() {
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mTextureCleanupMgr.cleanup();
-}
-
-// Helper class intended to be used on the stack to ensure that texture cleanup
-// is deferred until after this class goes out of scope.
-class DeferTextureCleanup final {
-public:
-    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
-        mMgr.setDeferredStatus(true);
-    }
-    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
-
-private:
-    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
-    AutoBackendTexture::CleanupManager& mMgr;
-};
-
-sk_sp<SkShader> SkiaGLRenderEngine::createRuntimeEffectShader(
-        const RuntimeEffectShaderParameters& parameters) {
-    // The given surface will be stretched by HWUI via matrix transformation
-    // which gets similar results for most surfaces
-    // Determine later on if we need to leverage the stertch shader within
-    // surface flinger
-    const auto& stretchEffect = parameters.layer.stretchEffect;
-    auto shader = parameters.shader;
-    if (stretchEffect.hasEffect()) {
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        if (graphicBuffer && parameters.shader) {
-            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
-        }
+    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
+        return base::unique_fd();
     }
 
-    if (parameters.requiresLinearEffect) {
-        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
-                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
-        const ui::Dataspace outputDataspace = mUseColorManagement
-                ? parameters.display.outputDataspace
-                : ui::Dataspace::V0_SRGB_LINEAR;
-
-        auto effect =
-                shaders::LinearEffect{.inputDataspace = inputDataspace,
-                                      .outputDataspace = outputDataspace,
-                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
-
-        auto effectIter = mRuntimeEffects.find(effect);
-        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
-        if (effectIter == mRuntimeEffects.end()) {
-            runtimeEffect = buildRuntimeEffect(effect);
-            mRuntimeEffects.insert({effect, runtimeEffect});
-        } else {
-            runtimeEffect = effectIter->second;
-        }
-        mat4 colorTransform = parameters.layer.colorTransform;
-
-        colorTransform *=
-                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
-                                 parameters.layerDimmingRatio, 1.f));
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
-        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
-                                        parameters.display.maxLuminance,
-                                        parameters.display.currentLuminanceNits,
-                                        parameters.layer.source.buffer.maxLuminanceNits,
-                                        hardwareBuffer, parameters.display.renderIntent);
-    }
-    return parameters.shader;
-}
-
-void SkiaGLRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
-    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-        // Record display settings when capture is running.
-        std::stringstream displaySettings;
-        PrintTo(display, &displaySettings);
-        // Store the DisplaySettings in additional information.
-        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
-                               SkData::MakeWithCString(displaySettings.str().c_str()));
+    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
+    if (sync == EGL_NO_SYNC_KHR) {
+        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
+        return base::unique_fd();
     }
 
-    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
-    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
-    // displays might have different scaling when compared to the physical screen.
+    // native fence fd will not be populated until flush() is done.
+    glFlush();
 
-    canvas->clipRect(getSkRect(display.physicalDisplay));
-    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
-
-    const auto clipWidth = display.clip.width();
-    const auto clipHeight = display.clip.height();
-    auto rotatedClipWidth = clipWidth;
-    auto rotatedClipHeight = clipHeight;
-    // Scale is contingent on the rotation result.
-    if (display.orientation & ui::Transform::ROT_90) {
-        std::swap(rotatedClipWidth, rotatedClipHeight);
-    }
-    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
-            static_cast<SkScalar>(rotatedClipWidth);
-    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
-            static_cast<SkScalar>(rotatedClipHeight);
-    canvas->scale(scaleX, scaleY);
-
-    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
-    // back so that the top left corner of the clip is at (0, 0).
-    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
-    canvas->rotate(toDegrees(display.orientation));
-    canvas->translate(-clipWidth / 2, -clipHeight / 2);
-    canvas->translate(-display.clip.left, -display.clip.top);
-}
-
-class AutoSaveRestore {
-public:
-    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
-    ~AutoSaveRestore() { restore(); }
-    void replace(SkCanvas* canvas) {
-        mCanvas = canvas;
-        mSaveCount = canvas->save();
-    }
-    void restore() {
-        if (mCanvas) {
-            mCanvas->restoreToCount(mSaveCount);
-            mCanvas = nullptr;
-        }
+    // get the fence fd
+    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
+    eglDestroySyncKHR(mEGLDisplay, sync);
+    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
     }
 
-private:
-    SkCanvas* mCanvas;
-    int mSaveCount;
-};
-
-static SkRRect getBlurRRect(const BlurRegion& region) {
-    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
-    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
-                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
-                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
-                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
-    SkRRect roundedRect;
-    roundedRect.setRectRadii(rect, radii);
-    return roundedRect;
-}
-
-// Arbitrary default margin which should be close enough to zero.
-constexpr float kDefaultMargin = 0.0001f;
-static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
-    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
-    return std::abs(expected - value) < margin;
-}
-
-namespace {
-template <typename T>
-void logSettings(const T& t) {
-    std::stringstream stream;
-    PrintTo(t, &stream);
-    auto string = stream.str();
-    size_t pos = 0;
-    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
-    const size_t size = string.size();
-    while (pos < size) {
-        const size_t end = std::min(string.find("\n", pos), size);
-        ALOGD("%s", string.substr(pos, end - pos).c_str());
-        pos = end + 1;
-    }
-}
-} // namespace
-
-void SkiaGLRenderEngine::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
-        base::unique_fd&& bufferFence) {
-    ATRACE_NAME("SkiaGL::drawLayers");
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (layers.empty()) {
-        ALOGV("Drawing empty layer stack");
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
-        return;
-    }
-
-    if (buffer == nullptr) {
-        ALOGE("No output buffer provided. Aborting GPU composition.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    validateOutputBufferUsage(buffer->getBuffer());
-
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
-    DeferTextureCleanup dtc(mTextureCleanupMgr);
-
-    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
-    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
-        surfaceTextureRef = it->second;
-    } else {
-        surfaceTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->getBuffer()
-                                                                       ->toAHardwareBuffer(),
-                                                               true, mTextureCleanupMgr);
-    }
-
-    // wait on the buffer to be ready to use prior to using it
-    waitFence(bufferFence);
-
-    const ui::Dataspace dstDataspace =
-            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
-    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
-
-    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
-    if (dstCanvas == nullptr) {
-        ALOGE("Cannot acquire canvas from Skia.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    // setup color filter if necessary
-    sk_sp<SkColorFilter> displayColorTransform;
-    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
-    }
-    const bool ctModifiesAlpha =
-            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
-
-    // Find the max layer white point to determine the max luminance of the scene...
-    const float maxLayerWhitePoint = std::transform_reduce(
-            layers.cbegin(), layers.cend(), 0.f,
-            [](float left, float right) { return std::max(left, right); },
-            [&](const auto& l) { return l.whitePointNits; });
-
-    // ...and compute the dimming ratio if dimming is requested
-    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
-                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
-            ? maxLayerWhitePoint / display.targetLuminanceNits
-            : 1.f;
-
-    // Find if any layers have requested blur, we'll use that info to decide when to render to an
-    // offscreen buffer and when to render to the native buffer.
-    sk_sp<SkSurface> activeSurface(dstSurface);
-    SkCanvas* canvas = dstCanvas;
-    SkiaCapture::OffscreenState offscreenCaptureState;
-    const LayerSettings* blurCompositionLayer = nullptr;
-    if (mBlurFilter) {
-        bool requiresCompositionLayer = false;
-        for (const auto& layer : layers) {
-            // if the layer doesn't have blur or it is not visible then continue
-            if (!layerHasBlur(layer, ctModifiesAlpha)) {
-                continue;
-            }
-            if (layer.backgroundBlurRadius > 0 &&
-                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                requiresCompositionLayer = true;
-            }
-            for (auto region : layer.blurRegions) {
-                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                    requiresCompositionLayer = true;
-                }
-            }
-            if (requiresCompositionLayer) {
-                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
-                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
-                blurCompositionLayer = &layer;
-                break;
-            }
-        }
-    }
-
-    AutoSaveRestore surfaceAutoSaveRestore(canvas);
-    // Clear the entire canvas with a transparent black to prevent ghost images.
-    canvas->clear(SK_ColorTRANSPARENT);
-    initCanvas(canvas, display);
-
-    if (kPrintLayerSettings) {
-        logSettings(display);
-    }
-    for (const auto& layer : layers) {
-        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
-
-        if (kPrintLayerSettings) {
-            logSettings(layer);
-        }
-
-        sk_sp<SkImage> blurInput;
-        if (blurCompositionLayer == &layer) {
-            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
-            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
-
-            // save a snapshot of the activeSurface to use as input to the blur shaders
-            blurInput = activeSurface->makeImageSnapshot();
-
-            // blit the offscreen framebuffer into the destination AHB, but only
-            // if there are blur regions. backgroundBlurRadius blurs the entire
-            // image below, so it can skip this step.
-            if (layer.blurRegions.size()) {
-                SkPaint paint;
-                paint.setBlendMode(SkBlendMode::kSrc);
-                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
-                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
-                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
-                                              nullptr);
-                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
-                } else {
-                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
-                }
-            }
-
-            // assign dstCanvas to canvas and ensure that the canvas state is up to date
-            canvas = dstCanvas;
-            surfaceAutoSaveRestore.replace(canvas);
-            initCanvas(canvas, display);
-
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
-                                dstSurface->getCanvas()->getSaveCount());
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
-                                dstSurface->getCanvas()->getTotalMatrix());
-
-            // assign dstSurface to activeSurface
-            activeSurface = dstSurface;
-        }
-
-        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
-        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-            // Record the name of the layer if the capture is running.
-            std::stringstream layerSettings;
-            PrintTo(layer, &layerSettings);
-            // Store the LayerSettings in additional information.
-            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
-                                   SkData::MakeWithCString(layerSettings.str().c_str()));
-        }
-        // Layers have a local transform that should be applied to them
-        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
-
-        const auto [bounds, roundRectClip] =
-                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
-                                 layer.geometry.roundedCornersRadius);
-        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
-            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
-
-            // if multiple layers have blur, then we need to take a snapshot now because
-            // only the lowest layer will have blurImage populated earlier
-            if (!blurInput) {
-                blurInput = activeSurface->makeImageSnapshot();
-            }
-            // rect to be blurred in the coordinate space of blurInput
-            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
-
-            // if the clip needs to be applied then apply it now and make sure
-            // it is restored before we attempt to draw any shadows.
-            SkAutoCanvasRestore acr(canvas, true);
-            if (!roundRectClip.isEmpty()) {
-                canvas->clipRRect(roundRectClip, true);
-            }
-
-            // TODO(b/182216890): Filter out empty layers earlier
-            if (blurRect.width() > 0 && blurRect.height() > 0) {
-                if (layer.backgroundBlurRadius > 0) {
-                    ATRACE_NAME("BackgroundBlur");
-                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
-                                                              blurInput, blurRect);
-
-                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
-
-                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
-                                                blurRect, blurredImage, blurInput);
-                }
-
-                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
-                for (auto region : layer.blurRegions) {
-                    if (cachedBlurs[region.blurRadius] == nullptr) {
-                        ATRACE_NAME("BlurRegion");
-                        cachedBlurs[region.blurRadius] =
-                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
-                                                      blurRect);
-                    }
-
-                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
-                                                region.alpha, blurRect,
-                                                cachedBlurs[region.blurRadius], blurInput);
-                }
-            }
-        }
-
-        if (layer.shadow.length > 0) {
-            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
-            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
-
-            SkRRect shadowBounds, shadowClip;
-            if (layer.geometry.boundaries == layer.shadow.boundaries) {
-                shadowBounds = bounds;
-                shadowClip = roundRectClip;
-            } else {
-                std::tie(shadowBounds, shadowClip) =
-                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
-                                         layer.geometry.roundedCornersRadius);
-            }
-
-            // Technically, if bounds is a rect and roundRectClip is not empty,
-            // it means that the bounds and roundedCornersCrop were different
-            // enough that we should intersect them to find the proper shadow.
-            // In practice, this often happens when the two rectangles appear to
-            // not match due to rounding errors. Draw the rounded version, which
-            // looks more like the intent.
-            const auto& rrect =
-                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
-            drawShadow(canvas, rrect, layer.shadow);
-        }
-
-        const float layerDimmingRatio = layer.whitePointNits <= 0.f
-                ? displayDimmingRatio
-                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
-
-        const bool dimInLinearSpace = display.dimmingStage !=
-                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
-
-        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
-                (mUseColorManagement &&
-                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
-                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
-
-        // quick abort from drawing the remaining portion of the layer
-        if (layer.skipContentDraw ||
-            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
-             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
-            continue;
-        }
-
-        // If we need to map to linear space or color management is disabled, then mark the source
-        // image with the same colorspace as the destination surface so that Skia's color
-        // management is a no-op.
-        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
-                ? dstDataspace
-                : layer.sourceDataspace;
-
-        SkPaint paint;
-        if (layer.source.buffer.buffer) {
-            ATRACE_NAME("DrawImage");
-            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
-            const auto& item = layer.source.buffer;
-            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
-
-            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
-                iter != cache.end()) {
-                imageTextureRef = iter->second;
-            } else {
-                // If we didn't find the image in the cache, then create a local ref but don't cache
-                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
-                // we didn't find anything in the cache then we intentionally did not cache this
-                // buffer's resources.
-                imageTextureRef = std::make_shared<
-                        AutoBackendTexture::LocalRef>(grContext,
-                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
-                                                      false, mTextureCleanupMgr);
-            }
-
-            // if the layer's buffer has a fence, then we must must respect the fence prior to using
-            // the buffer.
-            if (layer.source.buffer.fence != nullptr) {
-                waitFence(layer.source.buffer.fence->get());
-            }
-
-            // isOpaque means we need to ignore the alpha in the image,
-            // replacing it with the alpha specified by the LayerSettings. See
-            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
-            // The proper way to do this is to use an SkColorType that ignores
-            // alpha, like kRGB_888x_SkColorType, and that is used if the
-            // incoming image is kRGBA_8888_SkColorType. However, the incoming
-            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
-            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
-            // kRGB_101010x_SkColorType, but it is not yet supported as a source
-            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
-            // meantime, we'll use a workaround that works unless we need to do
-            // any color conversion. The workaround requires that we pretend the
-            // image is already premultiplied, so that we do not premultiply it
-            // before applying SkBlendMode::kPlus.
-            const bool useIsOpaqueWorkaround = item.isOpaque &&
-                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
-                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
-            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
-                    : item.isOpaque                      ? kOpaque_SkAlphaType
-                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
-                                                         : kUnpremul_SkAlphaType;
-            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
-
-            auto texMatrix = getSkM44(item.textureTransform).asM33();
-            // textureTansform was intended to be passed directly into a shader, so when
-            // building the total matrix with the textureTransform we need to first
-            // normalize it, then apply the textureTransform, then scale back up.
-            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
-            texMatrix.postScale(image->width(), image->height());
-
-            SkMatrix matrix;
-            if (!texMatrix.invert(&matrix)) {
-                matrix = texMatrix;
-            }
-            // The shader does not respect the translation, so we add it to the texture
-            // transform for the SkImage. This will make sure that the correct layer contents
-            // are drawn in the correct part of the screen.
-            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
-
-            sk_sp<SkShader> shader;
-
-            if (layer.source.buffer.useTextureFiltering) {
-                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
-                                           SkSamplingOptions(
-                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
-                                           &matrix);
-            } else {
-                shader = image->makeShader(SkSamplingOptions(), matrix);
-            }
-
-            if (useIsOpaqueWorkaround) {
-                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
-                                          SkShaders::Color(SkColors::kBlack,
-                                                           toSkColorSpace(layerDataspace)));
-            }
-
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = !item.isOpaque &&
-                                                          item.usePremultipliedAlpha,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = dimInLinearSpace
-                                                          ? layerDimmingRatio
-                                                          : 1.f}));
-
-            // Turn on dithering when dimming beyond this (arbitrary) threshold...
-            static constexpr float kDimmingThreshold = 0.2f;
-            // ...or we're rendering an HDR layer down to an 8-bit target
-            // Most HDR standards require at least 10-bits of color depth for source content, so we
-            // can just extract the transfer function rather than dig into precise gralloc layout.
-            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
-            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
-                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
-            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
-                paint.setDither(true);
-            }
-            paint.setAlphaf(layer.alpha);
-
-            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
-                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
-
-                // SysUI creates the alpha layer as a coverage layer, which is
-                // appropriate for the DPU. Use a color matrix to convert it to
-                // a mask.
-                // TODO (b/219525258): Handle input as a mask.
-                //
-                // The color matrix will convert A8 pixels with no alpha to
-                // black, as described by this vector. If the display handles
-                // the color transform, we need to invert it to find the color
-                // that will result in black after the DPU applies the transform.
-                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
-                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
-                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
-                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
-                        black = colorSpaceMatrix * black;
-                    } else {
-                        // We'll just have to use 0,0,0 as black, which should
-                        // be close to correct.
-                        ALOGI("Could not invert colorTransform!");
-                    }
-                }
-                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
-                                          0, 0, 0, 0, black[1],
-                                          0, 0, 0, 0, black[2],
-                                          0, 0, 0, -1, 1);
-                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-                    // On the other hand, if the device doesn't handle it, we
-                    // have to apply it ourselves.
-                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
-                }
-                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
-            }
-        } else {
-            ATRACE_NAME("DrawColor");
-            const auto color = layer.source.solidColor;
-            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
-                                                                .fG = color.g,
-                                                                .fB = color.b,
-                                                                .fA = layer.alpha},
-                                                      toSkColorSpace(layerDataspace));
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = false,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = layerDimmingRatio}));
-        }
-
-        if (layer.disableBlending) {
-            paint.setBlendMode(SkBlendMode::kSrc);
-        }
-
-        // An A8 buffer will already have the proper color filter attached to
-        // its paint, including the displayColorTransform as needed.
-        if (!paint.getColorFilter()) {
-            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
-                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
-                // can assume a gamma 2.2 transfer function.
-                static constexpr float kInverseGamma22 = 1.f / 2.2f;
-                const auto gammaCorrectedDimmingRatio =
-                        std::pow(layerDimmingRatio, kInverseGamma22);
-                auto dimmingMatrix =
-                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
-                                         gammaCorrectedDimmingRatio, 1.f));
-
-                const auto colorFilter =
-                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
-                paint.setColorFilter(displayColorTransform
-                                             ? displayColorTransform->makeComposed(colorFilter)
-                                             : colorFilter);
-            } else {
-                paint.setColorFilter(displayColorTransform);
-            }
-        }
-
-        if (!roundRectClip.isEmpty()) {
-            canvas->clipRRect(roundRectClip, true);
-        }
-
-        if (!bounds.isRect()) {
-            paint.setAntiAlias(true);
-            canvas->drawRRect(bounds, paint);
-        } else {
-            canvas->drawRect(bounds.rect(), paint);
-        }
-        if (kFlushAfterEveryLayer) {
-            ATRACE_NAME("flush surface");
-            activeSurface->flush();
-        }
-    }
-    surfaceAutoSaveRestore.restore();
-    mCapture->endCapture();
-    {
-        ATRACE_NAME("flush surface");
-        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
-        activeSurface->flush();
-    }
-
-    base::unique_fd drawFence = flush();
-
-    // If flush failed or we don't support native fences, we need to force the
-    // gl command stream to be executed.
-    bool requireSync = drawFence.get() < 0;
-    if (requireSync) {
-        ATRACE_BEGIN("Submit(sync=true)");
-    } else {
-        ATRACE_BEGIN("Submit(sync=false)");
-    }
-    bool success = grContext->submit(requireSync);
-    ATRACE_END();
-    if (!success) {
-        ALOGE("Failed to flush RenderEngine commands");
-        // Chances are, something illegal happened (either the caller passed
-        // us bad parameters, or we messed up our shader generation).
-        resultPromise->set_value({INVALID_OPERATION, std::move(drawFence)});
-        return;
-    }
-
-    // checkErrors();
-    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
-    return;
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const FloatRect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const Rect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-/**
- *  Verifies that common, simple bounds + clip combinations can be converted into
- *  a single RRect draw call returning true if possible. If true the radii parameter
- *  will be filled with the correct radii values that combined with bounds param will
- *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
- */
-static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
-                                    const SkRect& insetCrop, float cornerRadius,
-                                    SkVector radii[4]) {
-    const bool leftEqual = bounds.fLeft == crop.fLeft;
-    const bool topEqual = bounds.fTop == crop.fTop;
-    const bool rightEqual = bounds.fRight == crop.fRight;
-    const bool bottomEqual = bounds.fBottom == crop.fBottom;
-
-    // In the event that the corners of the bounds only partially align with the crop we
-    // need to ensure that the resulting shape can still be represented as a round rect.
-    // In particular the round rect implementation will scale the value of all corner radii
-    // if the sum of the radius along any edge is greater than the length of that edge.
-    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
-    const bool requiredWidth = bounds.width() > (cornerRadius * 2);
-    const bool requiredHeight = bounds.height() > (cornerRadius * 2);
-    if (!requiredWidth || !requiredHeight) {
-        return false;
-    }
-
-    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
-    // contained within the cropped shape and does not need rounded.
-    // compute the UpperLeft corner radius
-    if (leftEqual && topEqual) {
-        radii[0].set(cornerRadius, cornerRadius);
-    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[0].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the UpperRight corner radius
-    if (rightEqual && topEqual) {
-        radii[1].set(cornerRadius, cornerRadius);
-    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[1].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomRight corner radius
-    if (rightEqual && bottomEqual) {
-        radii[2].set(cornerRadius, cornerRadius);
-    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[2].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomLeft corner radius
-    if (leftEqual && bottomEqual) {
-        radii[3].set(cornerRadius, cornerRadius);
-    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[3].set(0, 0);
-    } else {
-        return false;
-    }
-
-    return true;
-}
-
-inline std::pair<SkRRect, SkRRect> SkiaGLRenderEngine::getBoundsAndClip(const FloatRect& boundsRect,
-                                                                        const FloatRect& cropRect,
-                                                                        const float cornerRadius) {
-    const SkRect bounds = getSkRect(boundsRect);
-    const SkRect crop = getSkRect(cropRect);
-
-    SkRRect clip;
-    if (cornerRadius > 0) {
-        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
-        if (bounds == crop || crop.isEmpty()) {
-            return {SkRRect::MakeRectXY(bounds, cornerRadius, cornerRadius), clip};
-        }
-
-        // This makes an effort to speed up common, simple bounds + clip combinations by
-        // converting them to a single RRect draw. It is possible there are other cases
-        // that can be converted.
-        if (crop.contains(bounds)) {
-            const auto insetCrop = crop.makeInset(cornerRadius, cornerRadius);
-            if (insetCrop.contains(bounds)) {
-                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
-            }
-
-            SkVector radii[4];
-            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
-                SkRRect intersectionBounds;
-                intersectionBounds.setRectRadii(bounds, radii);
-                return {intersectionBounds, clip};
-            }
-        }
-
-        // we didn't hit any of our fast paths so set the clip to the cropRect
-        clip.setRectXY(crop, cornerRadius, cornerRadius);
-    }
-
-    // if we hit this point then we either don't have rounded corners or we are going to rely
-    // on the clip to round the corners for us
-    return {SkRRect::MakeRect(bounds), clip};
-}
-
-inline bool SkiaGLRenderEngine::layerHasBlur(const LayerSettings& layer,
-                                             bool colorTransformModifiesAlpha) {
-    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
-        // return false if the content is opaque and would therefore occlude the blur
-        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
-        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
-        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
-    }
-    return false;
-}
-
-inline SkColor SkiaGLRenderEngine::getSkColor(const vec4& color) {
-    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
-}
-
-inline SkM44 SkiaGLRenderEngine::getSkM44(const mat4& matrix) {
-    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
-                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
-                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
-                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
-}
-
-inline SkPoint3 SkiaGLRenderEngine::getSkPoint3(const vec3& vector) {
-    return SkPoint3::Make(vector.x, vector.y, vector.z);
-}
-
-size_t SkiaGLRenderEngine::getMaxTextureSize() const {
-    return mGrContext->maxTextureSize();
-}
-
-size_t SkiaGLRenderEngine::getMaxViewportDims() const {
-    return mGrContext->maxRenderTargetSize();
-}
-
-void SkiaGLRenderEngine::drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                                    const ShadowSettings& settings) {
-    ATRACE_CALL();
-    const float casterZ = settings.length / 2.0f;
-    const auto flags =
-            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
-
-    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
-                              getSkPoint3(settings.lightPos), settings.lightRadius,
-                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
-                              flags);
+    return fenceFd;
 }
 
 EGLContext SkiaGLRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
@@ -1539,114 +519,14 @@
     return value;
 }
 
-void SkiaGLRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
-    // This cache multiplier was selected based on review of cache sizes relative
-    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
-    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
-    // conservative default based on that analysis.
-    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
-    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
-
-    // start by resizing the current context
-    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-
-    // if it is possible to switch contexts then we will resize the other context
-    const bool originalProtectedState = mInProtectedContext;
-    useProtectedContext(!mInProtectedContext);
-    if (mInProtectedContext != originalProtectedState) {
-        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-        // reset back to the initial context that was active when this method was called
-        useProtectedContext(originalProtectedState);
-    }
-}
-
-void SkiaGLRenderEngine::dump(std::string& result) {
+void SkiaGLRenderEngine::appendBackendSpecificInfoToDump(std::string& result) {
     const gl::GLExtensions& extensions = gl::GLExtensions::getInstance();
-
-    StringAppendF(&result, "\n ------------RE-----------------\n");
+    StringAppendF(&result, "\n ------------RE GLES------------\n");
     StringAppendF(&result, "EGL implementation : %s\n", extensions.getEGLVersion());
     StringAppendF(&result, "%s\n", extensions.getEGLExtensions());
     StringAppendF(&result, "GLES: %s, %s, %s\n", extensions.getVendor(), extensions.getRenderer(),
                   extensions.getVersion());
     StringAppendF(&result, "%s\n", extensions.getExtensions());
-    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
-                  supportsProtectedContent());
-    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
-    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
-                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
-
-    std::vector<ResourcePair> cpuResourceMap = {
-            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
-            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
-            {"skia/sk_resource_cache/rects-blur_", "Masks"},
-            {"skia/sk_resource_cache/tessellated", "Shadows"},
-            {"skia", "Other"},
-    };
-    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
-    SkGraphics::DumpMemoryStatistics(&cpuReporter);
-    StringAppendF(&result, "Skia CPU Caches: ");
-    cpuReporter.logTotals(result);
-    cpuReporter.logOutput(result);
-
-    {
-        std::lock_guard<std::mutex> lock(mRenderingMutex);
-
-        std::vector<ResourcePair> gpuResourceMap = {
-                {"texture_renderbuffer", "Texture/RenderBuffer"},
-                {"texture", "Texture"},
-                {"gr_text_blob_cache", "Text"},
-                {"skia", "Other"},
-        };
-        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
-        mGrContext->dumpMemoryStatistics(&gpuReporter);
-        StringAppendF(&result, "Skia's GPU Caches: ");
-        gpuReporter.logTotals(result);
-        gpuReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Wrapped Objects:\n");
-        gpuReporter.logOutput(result, true);
-
-        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
-                      mGraphicBufferExternalRefs.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
-            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
-        }
-        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
-                      mTextureCache.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        // TODO(178539829): It would be nice to know which layer these are coming from and what
-        // the texture sizes are.
-        for (const auto& [id, unused] : mTextureCache) {
-            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
-        }
-        StringAppendF(&result, "\n");
-
-        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
-        if (mProtectedGrContext) {
-            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
-        }
-        StringAppendF(&result, "Skia's GPU Protected Caches: ");
-        gpuProtectedReporter.logTotals(result);
-        gpuProtectedReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
-        gpuProtectedReporter.logOutput(result, true);
-
-        StringAppendF(&result, "\n");
-        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
-        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
-            StringAppendF(&result, "- inputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "- outputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
-                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
-        }
-    }
-    StringAppendF(&result, "\n");
 }
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index 5ef9944..4a37ffe 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -41,6 +41,10 @@
 #include "filters/LinearEffect.h"
 #include "filters/StretchShaderFactory.h"
 
+class SkData;
+
+struct SkPoint3;
+
 namespace android {
 namespace renderengine {
 namespace skia {
@@ -51,33 +55,23 @@
     SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLContext ctxt,
                        EGLSurface placeholder, EGLContext protectedContext,
                        EGLSurface protectedPlaceholder);
-    ~SkiaGLRenderEngine() override EXCLUDES(mRenderingMutex);
+    ~SkiaGLRenderEngine() override;
 
-    std::future<void> primeCache() override;
-    void cleanupPostRender() override;
-    void cleanFramebufferCache() override{};
     int getContextPriority() override;
-    bool isProtected() const override { return mInProtectedContext; }
-    bool supportsProtectedContent() const override;
-    void useProtectedContext(bool useProtectedContext) override;
-    bool supportsBackgroundBlur() override { return mBlurFilter != nullptr; }
-    void onActiveDisplaySizeChanged(ui::Size size) override;
-    int reportShadersCompiled() override;
 
 protected:
-    void dump(std::string& result) override;
-    size_t getMaxTextureSize() const override;
-    size_t getMaxViewportDims() const override;
-    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;
-    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
-    bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-                            const DisplaySettings& display,
-                            const std::vector<LayerSettings>& layers,
-                            const std::shared_ptr<ExternalTexture>& buffer,
-                            const bool useFramebufferCache, base::unique_fd&& bufferFence) override;
+    // Implementations of abstract SkiaRenderEngine functions specific to
+    // rendering backend
+    virtual SkiaRenderEngine::Contexts createDirectContexts(const GrContextOptions& options);
+    bool supportsProtectedContentImpl() const override;
+    bool useProtectedContextImpl(GrProtected isProtected) override;
+    void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) override;
+    base::unique_fd flushAndSubmit(GrDirectContext* context) override;
+    void appendBackendSpecificInfoToDump(std::string& result) override;
 
 private:
+    bool waitGpuFence(base::borrowed_fd fenceFd);
+    base::unique_fd flush();
     static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
     static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
                                        EGLContext shareContext,
@@ -85,106 +79,14 @@
                                        Protection protection);
     static std::optional<RenderEngine::ContextPriority> createContextPriority(
             const RenderEngineCreationArgs& args);
-    static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config,
-                                                         int hwcFormat, Protection protection);
-    inline SkRect getSkRect(const FloatRect& layer);
-    inline SkRect getSkRect(const Rect& layer);
-    inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const FloatRect& bounds,
-                                                        const FloatRect& crop, float cornerRadius);
-    inline bool layerHasBlur(const LayerSettings& layer, bool colorTransformModifiesAlpha);
-    inline SkColor getSkColor(const vec4& color);
-    inline SkM44 getSkM44(const mat4& matrix);
-    inline SkPoint3 getSkPoint3(const vec3& vector);
-    inline GrDirectContext* getActiveGrContext() const;
-
-    base::unique_fd flush();
-    // waitFence attempts to wait in the GPU, and if unable to waits on the CPU instead.
-    void waitFence(base::borrowed_fd fenceFd);
-    bool waitGpuFence(base::borrowed_fd fenceFd);
-
-    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
-    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                    const ShadowSettings& shadowSettings);
-
-    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
-    // Otherwise it returns the input shader.
-    struct RuntimeEffectShaderParameters {
-        sk_sp<SkShader> shader;
-        const LayerSettings& layer;
-        const DisplaySettings& display;
-        bool undoPremultipliedAlpha;
-        bool requiresLinearEffect;
-        float layerDimmingRatio;
-    };
-    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+    static EGLSurface createPlaceholderEglPbufferSurface(
+            EGLDisplay display, EGLConfig config, int hwcFormat, Protection protection);
 
     EGLDisplay mEGLDisplay;
     EGLContext mEGLContext;
     EGLSurface mPlaceholderSurface;
     EGLContext mProtectedEGLContext;
     EGLSurface mProtectedPlaceholderSurface;
-    BlurFilter* mBlurFilter = nullptr;
-
-    const PixelFormat mDefaultPixelFormat;
-    const bool mUseColorManagement;
-
-    // Identifier used or various mappings of layers to various
-    // textures or shaders
-    using GraphicBufferId = uint64_t;
-
-    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
-    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
-            GUARDED_BY(mRenderingMutex);
-    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
-    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
-            GUARDED_BY(mRenderingMutex);
-    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
-            mRuntimeEffects;
-    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
-
-    StretchShaderFactory mStretchShaderFactory;
-    // Mutex guarding rendering operations, so that:
-    // 1. GL operations aren't interleaved, and
-    // 2. Internal state related to rendering that is potentially modified by
-    // multiple threads is guaranteed thread-safe.
-    mutable std::mutex mRenderingMutex;
-
-    sp<Fence> mLastDrawFence;
-
-    // Graphics context used for creating surfaces and submitting commands
-    sk_sp<GrDirectContext> mGrContext;
-    // Same as above, but for protected content (eg. DRM)
-    sk_sp<GrDirectContext> mProtectedGrContext;
-
-    bool mInProtectedContext = false;
-    // Object to capture commands send to Skia.
-    std::unique_ptr<SkiaCapture> mCapture;
-
-    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
-    // cached.
-    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
-    public:
-        SkSLCacheMonitor() = default;
-        ~SkSLCacheMonitor() override = default;
-
-        sk_sp<SkData> load(const SkData& key) override;
-
-        void store(const SkData& key, const SkData& data, const SkString& description) override;
-
-        int shadersCachedSinceLastCall() {
-            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
-            mShadersCachedSinceLastCall = 0;
-            return shadersCachedSinceLastCall;
-        }
-
-        int totalShadersCompiled() const { return mTotalShadersCompiled; }
-
-    private:
-        int mShadersCachedSinceLastCall = 0;
-        int mTotalShadersCompiled = 0;
-    };
-
-    SkSLCacheMonitor mSkSLCacheMonitor;
 };
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 1fb24f5..b9aa5ac 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -20,16 +20,1243 @@
 
 #include "SkiaRenderEngine.h"
 
+#include <GrBackendSemaphore.h>
+#include <GrContextOptions.h>
+#include <SkBlendMode.h>
+#include <SkCanvas.h>
+#include <SkColor.h>
+#include <SkColorFilter.h>
+#include <SkColorMatrix.h>
+#include <SkColorSpace.h>
+#include <SkData.h>
+#include <SkGraphics.h>
+#include <SkImage.h>
+#include <SkImageFilters.h>
+#include <SkImageInfo.h>
+#include <SkM44.h>
+#include <SkMatrix.h>
+#include <SkPaint.h>
+#include <SkPath.h>
+#include <SkPoint.h>
+#include <SkPoint3.h>
+#include <SkRect.h>
+#include <SkRefCnt.h>
+#include <SkRegion.h>
+#include <SkRRect.h>
+#include <SkRuntimeEffect.h>
+#include <SkSamplingOptions.h>
+#include <SkScalar.h>
+#include <SkShader.h>
+#include <SkShadowUtils.h>
+#include <SkString.h>
+#include <SkSurface.h>
+#include <SkTileMode.h>
 #include <src/core/SkTraceEventCommon.h>
+#include <android-base/stringprintf.h>
+#include <gui/TraceUtils.h>
+#include <sync/sync.h>
+#include <ui/BlurRegion.h>
+#include <ui/DataspaceUtils.h>
+#include <ui/DebugUtils.h>
+#include <ui/GraphicBuffer.h>
+#include <utils/Trace.h>
+
+#include <cmath>
+#include <cstdint>
+#include <memory>
+#include <numeric>
+
+#include "Cache.h"
+#include "ColorSpaces.h"
+#include "filters/BlurFilter.h"
+#include "filters/GaussianBlurFilter.h"
+#include "filters/KawaseBlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "log/log_main.h"
+#include "skia/debug/SkiaCapture.h"
+#include "skia/debug/SkiaMemoryReporter.h"
+#include "skia/filters/StretchShaderFactory.h"
+#include "system/graphics-base-v1.0.h"
+
+namespace {
+
+// Debugging settings
+static const bool kPrintLayerSettings = false;
+static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
+
+} // namespace
+
+// Utility functions related to SkRect
+
+namespace {
+
+static inline SkRect getSkRect(const android::FloatRect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+static inline SkRect getSkRect(const android::Rect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+/**
+ *  Verifies that common, simple bounds + clip combinations can be converted into
+ *  a single RRect draw call returning true if possible. If true the radii parameter
+ *  will be filled with the correct radii values that combined with bounds param will
+ *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
+ */
+static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
+                                    const SkRect& insetCrop, const android::vec2& cornerRadius,
+                                    SkVector radii[4]) {
+    const bool leftEqual = bounds.fLeft == crop.fLeft;
+    const bool topEqual = bounds.fTop == crop.fTop;
+    const bool rightEqual = bounds.fRight == crop.fRight;
+    const bool bottomEqual = bounds.fBottom == crop.fBottom;
+
+    // In the event that the corners of the bounds only partially align with the crop we
+    // need to ensure that the resulting shape can still be represented as a round rect.
+    // In particular the round rect implementation will scale the value of all corner radii
+    // if the sum of the radius along any edge is greater than the length of that edge.
+    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
+    const bool requiredWidth = bounds.width() > (cornerRadius.x * 2);
+    const bool requiredHeight = bounds.height() > (cornerRadius.y * 2);
+    if (!requiredWidth || !requiredHeight) {
+        return false;
+    }
+
+    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
+    // contained within the cropped shape and does not need rounded.
+    // compute the UpperLeft corner radius
+    if (leftEqual && topEqual) {
+        radii[0].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[0].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the UpperRight corner radius
+    if (rightEqual && topEqual) {
+        radii[1].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[1].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomRight corner radius
+    if (rightEqual && bottomEqual) {
+        radii[2].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[2].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomLeft corner radius
+    if (leftEqual && bottomEqual) {
+        radii[3].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[3].set(0, 0);
+    } else {
+        return false;
+    }
+
+    return true;
+}
+
+static inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const android::FloatRect& boundsRect,
+                                                           const android::FloatRect& cropRect,
+                                                           const android::vec2& cornerRadius) {
+    const SkRect bounds = getSkRect(boundsRect);
+    const SkRect crop = getSkRect(cropRect);
+
+    SkRRect clip;
+    if (cornerRadius.x > 0 && cornerRadius.y > 0) {
+        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
+        if (bounds == crop || crop.isEmpty()) {
+            return {SkRRect::MakeRectXY(bounds, cornerRadius.x, cornerRadius.y), clip};
+        }
+
+        // This makes an effort to speed up common, simple bounds + clip combinations by
+        // converting them to a single RRect draw. It is possible there are other cases
+        // that can be converted.
+        if (crop.contains(bounds)) {
+            const auto insetCrop = crop.makeInset(cornerRadius.x, cornerRadius.y);
+            if (insetCrop.contains(bounds)) {
+                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
+            }
+
+            SkVector radii[4];
+            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
+                SkRRect intersectionBounds;
+                intersectionBounds.setRectRadii(bounds, radii);
+                return {intersectionBounds, clip};
+            }
+        }
+
+        // we didn't hit any of our fast paths so set the clip to the cropRect
+        clip.setRectXY(crop, cornerRadius.x, cornerRadius.y);
+    }
+
+    // if we hit this point then we either don't have rounded corners or we are going to rely
+    // on the clip to round the corners for us
+    return {SkRRect::MakeRect(bounds), clip};
+}
+
+static inline bool layerHasBlur(const android::renderengine::LayerSettings& layer,
+                                bool colorTransformModifiesAlpha) {
+    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
+        // return false if the content is opaque and would therefore occlude the blur
+        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
+        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
+        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
+    }
+    return false;
+}
+
+static inline SkColor getSkColor(const android::vec4& color) {
+    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
+}
+
+static inline SkM44 getSkM44(const android::mat4& matrix) {
+    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
+                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
+                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
+                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
+}
+
+static inline SkPoint3 getSkPoint3(const android::vec3& vector) {
+    return SkPoint3::Make(vector.x, vector.y, vector.z);
+}
+
+} // namespace
 
 namespace android {
 namespace renderengine {
 namespace skia {
-SkiaRenderEngine::SkiaRenderEngine(RenderEngineType type) : RenderEngine(type) {}
+
+using base::StringAppendF;
+
+std::future<void> SkiaRenderEngine::primeCache() {
+    Cache::primeShaderCache(this);
+    return {};
+}
+
+sk_sp<SkData> SkiaRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
+    // This "cache" does not actually cache anything. It just allows us to
+    // monitor Skia's internal cache. So this method always returns null.
+    return nullptr;
+}
+
+void SkiaRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
+                                               const SkString& description) {
+    mShadersCachedSinceLastCall++;
+    mTotalShadersCompiled++;
+    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
+}
+
+int SkiaRenderEngine::reportShadersCompiled() {
+    return mSkSLCacheMonitor.totalShadersCompiled();
+}
 
 void SkiaRenderEngine::setEnableTracing(bool tracingEnabled) {
     SkAndroidFrameworkTraceUtil::setEnableTracing(tracingEnabled);
 }
+
+SkiaRenderEngine::SkiaRenderEngine(
+    RenderEngineType type,
+    PixelFormat pixelFormat,
+    bool useColorManagement,
+    bool supportsBackgroundBlur) :
+    RenderEngine(type),
+    mDefaultPixelFormat(pixelFormat),
+    mUseColorManagement(useColorManagement) {
+    if (supportsBackgroundBlur) {
+        ALOGD("Background Blurs Enabled");
+        mBlurFilter = new KawaseBlurFilter();
+    }
+    mCapture = std::make_unique<SkiaCapture>();
+}
+
+SkiaRenderEngine::~SkiaRenderEngine() { }
+
+// To be called from backend dtors.
+void SkiaRenderEngine::finishRenderingAndAbandonContext() {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (mBlurFilter) {
+        delete mBlurFilter;
+    }
+
+    if (mGrContext) {
+        mGrContext->flushAndSubmit(true);
+        mGrContext->abandonContext();
+    }
+
+    if (mProtectedGrContext) {
+        mProtectedGrContext->flushAndSubmit(true);
+        mProtectedGrContext->abandonContext();
+    }
+}
+
+void SkiaRenderEngine::useProtectedContext(bool useProtectedContext) {
+    if (useProtectedContext == mInProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
+    }
+
+    // release any scratch resources before switching into a new mode
+    if (getActiveGrContext()) {
+        getActiveGrContext()->purgeUnlockedResources(true);
+    }
+
+    // Backend-specific way to switch to protected context
+    if (useProtectedContextImpl(
+            useProtectedContext ? GrProtected::kYes : GrProtected::kNo)) {
+        mInProtectedContext = useProtectedContext;
+        // given that we are sharing the same thread between two GrContexts we need to
+        // make sure that the thread state is reset when switching between the two.
+        if (getActiveGrContext()) {
+            getActiveGrContext()->resetContext();
+        }
+    }
+}
+
+GrDirectContext* SkiaRenderEngine::getActiveGrContext() {
+    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
+}
+
+static float toDegrees(uint32_t transform) {
+    switch (transform) {
+        case ui::Transform::ROT_90:
+            return 90.0;
+        case ui::Transform::ROT_180:
+            return 180.0;
+        case ui::Transform::ROT_270:
+            return 270.0;
+        default:
+            return 0.0;
+    }
+}
+
+static SkColorMatrix toSkColorMatrix(const android::mat4& matrix) {
+    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
+                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
+                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
+                         matrix[3][3], 0);
+}
+
+static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
+    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
+    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
+
+    // Treat unsupported dataspaces as srgb
+    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+
+    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
+            sourceTransfer != destTransfer;
+}
+
+void SkiaRenderEngine::ensureGrContextsCreated() {
+    if (mGrContext) {
+        return;
+    }
+
+    GrContextOptions options;
+    options.fDisableDriverCorrectnessWorkarounds = true;
+    options.fDisableDistanceFieldPaths = true;
+    options.fReducedShaderVariations = true;
+    options.fPersistentCache = &mSkSLCacheMonitor;
+    std::tie(mGrContext, mProtectedGrContext) = createDirectContexts(options);
+}
+
+void SkiaRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                                  bool isRenderable) {
+    // Only run this if RE is running on its own thread. This way the access to GL
+    // operations is guaranteed to be happening on the same thread.
+    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {
+        return;
+    }
+    // We currently don't attempt to map a buffer if the buffer contains protected content
+    // because GPU resources for protected buffers is much more limited.
+    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
+    if (isProtectedBuffer) {
+        return;
+    }
+    ATRACE_CALL();
+
+    // If we were to support caching protected buffers then we will need to switch the
+    // currently bound context if we are not already using the protected context (and subsequently
+    // switch back after the buffer is cached).  However, for non-protected content we can bind
+    // the texture in either GL context because they are initialized with the same share_context
+    // which allows the texture state to be shared between them.
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mGraphicBufferExternalRefs[buffer->getId()]++;
+
+    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
+        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->toAHardwareBuffer(),
+                                                               isRenderable, mTextureCleanupMgr);
+        cache.insert({buffer->getId(), imageTextureRef});
+    }
+}
+
+void SkiaRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
+        iter != mGraphicBufferExternalRefs.end()) {
+        if (iter->second == 0) {
+            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
+                  "> from RenderEngine texture, but the "
+                  "ref count was already zero!",
+                  buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+            return;
+        }
+
+        iter->second--;
+
+        // Swap contexts if needed prior to deleting this buffer
+        // See Issue 1 of
+        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
+        // when a protected context and an unprotected context are part of the same share group,
+        // protected surfaces may not be accessed by an unprotected context, implying that protected
+        // surfaces may only be freed when a protected context is active.
+        const bool inProtected = mInProtectedContext;
+        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+
+        if (iter->second == 0) {
+            mTextureCache.erase(buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+        }
+
+        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
+        // are up-to-date.
+        if (inProtected != mInProtectedContext) {
+            useProtectedContext(inProtected);
+        }
+    }
+}
+
+bool SkiaRenderEngine::canSkipPostRenderCleanup() const {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    return mTextureCleanupMgr.isEmpty();
+}
+
+void SkiaRenderEngine::cleanupPostRender() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mTextureCleanupMgr.cleanup();
+}
+
+sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader(
+        const RuntimeEffectShaderParameters& parameters) {
+    // The given surface will be stretched by HWUI via matrix transformation
+    // which gets similar results for most surfaces
+    // Determine later on if we need to leverage the stertch shader within
+    // surface flinger
+    const auto& stretchEffect = parameters.layer.stretchEffect;
+    auto shader = parameters.shader;
+    if (stretchEffect.hasEffect()) {
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        if (graphicBuffer && parameters.shader) {
+            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
+        }
+    }
+
+    if (parameters.requiresLinearEffect) {
+        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
+                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
+        const ui::Dataspace outputDataspace = mUseColorManagement
+                ? parameters.display.outputDataspace
+                : ui::Dataspace::V0_SRGB_LINEAR;
+
+        auto effect =
+                shaders::LinearEffect{.inputDataspace = inputDataspace,
+                                      .outputDataspace = outputDataspace,
+                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
+
+        auto effectIter = mRuntimeEffects.find(effect);
+        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
+        if (effectIter == mRuntimeEffects.end()) {
+            runtimeEffect = buildRuntimeEffect(effect);
+            mRuntimeEffects.insert({effect, runtimeEffect});
+        } else {
+            runtimeEffect = effectIter->second;
+        }
+        mat4 colorTransform = parameters.layer.colorTransform;
+
+        colorTransform *=
+                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
+                                 parameters.layerDimmingRatio, 1.f));
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
+        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
+                                        parameters.display.maxLuminance,
+                                        parameters.display.currentLuminanceNits,
+                                        parameters.layer.source.buffer.maxLuminanceNits,
+                                        hardwareBuffer, parameters.display.renderIntent);
+    }
+    return parameters.shader;
+}
+
+void SkiaRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
+    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+        // Record display settings when capture is running.
+        std::stringstream displaySettings;
+        PrintTo(display, &displaySettings);
+        // Store the DisplaySettings in additional information.
+        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
+                               SkData::MakeWithCString(displaySettings.str().c_str()));
+    }
+
+    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
+    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
+    // displays might have different scaling when compared to the physical screen.
+
+    canvas->clipRect(getSkRect(display.physicalDisplay));
+    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
+
+    const auto clipWidth = display.clip.width();
+    const auto clipHeight = display.clip.height();
+    auto rotatedClipWidth = clipWidth;
+    auto rotatedClipHeight = clipHeight;
+    // Scale is contingent on the rotation result.
+    if (display.orientation & ui::Transform::ROT_90) {
+        std::swap(rotatedClipWidth, rotatedClipHeight);
+    }
+    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
+            static_cast<SkScalar>(rotatedClipWidth);
+    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
+            static_cast<SkScalar>(rotatedClipHeight);
+    canvas->scale(scaleX, scaleY);
+
+    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
+    // back so that the top left corner of the clip is at (0, 0).
+    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
+    canvas->rotate(toDegrees(display.orientation));
+    canvas->translate(-clipWidth / 2, -clipHeight / 2);
+    canvas->translate(-display.clip.left, -display.clip.top);
+}
+
+class AutoSaveRestore {
+public:
+    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
+    ~AutoSaveRestore() { restore(); }
+    void replace(SkCanvas* canvas) {
+        mCanvas = canvas;
+        mSaveCount = canvas->save();
+    }
+    void restore() {
+        if (mCanvas) {
+            mCanvas->restoreToCount(mSaveCount);
+            mCanvas = nullptr;
+        }
+    }
+
+private:
+    SkCanvas* mCanvas;
+    int mSaveCount;
+};
+
+static SkRRect getBlurRRect(const BlurRegion& region) {
+    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
+    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
+                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
+                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
+                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
+    SkRRect roundedRect;
+    roundedRect.setRectRadii(rect, radii);
+    return roundedRect;
+}
+
+// Arbitrary default margin which should be close enough to zero.
+constexpr float kDefaultMargin = 0.0001f;
+static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
+    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
+    return std::abs(expected - value) < margin;
+}
+
+namespace {
+template <typename T>
+void logSettings(const T& t) {
+    std::stringstream stream;
+    PrintTo(t, &stream);
+    auto string = stream.str();
+    size_t pos = 0;
+    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
+    const size_t size = string.size();
+    while (pos < size) {
+        const size_t end = std::min(string.find("\n", pos), size);
+        ALOGD("%s", string.substr(pos, end - pos).c_str());
+        pos = end + 1;
+    }
+}
+} // namespace
+
+// Helper class intended to be used on the stack to ensure that texture cleanup
+// is deferred until after this class goes out of scope.
+class DeferTextureCleanup final {
+public:
+    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
+        mMgr.setDeferredStatus(true);
+    }
+    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
+
+private:
+    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
+    AutoBackendTexture::CleanupManager& mMgr;
+};
+
+void SkiaRenderEngine::drawLayersInternal(
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
+        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
+        base::unique_fd&& bufferFence) {
+    ATRACE_NAME("SkiaGL::drawLayersInternal");
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (buffer == nullptr) {
+        ALOGE("No output buffer provided. Aborting GPU composition.");
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
+        return;
+    }
+
+    validateOutputBufferUsage(buffer->getBuffer());
+
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
+    DeferTextureCleanup dtc(mTextureCleanupMgr);
+
+    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
+    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
+        surfaceTextureRef = it->second;
+    } else {
+        surfaceTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->getBuffer()
+                                                                       ->toAHardwareBuffer(),
+                                                               true, mTextureCleanupMgr);
+    }
+
+    // wait on the buffer to be ready to use prior to using it
+    waitFence(grContext, bufferFence);
+
+    const ui::Dataspace dstDataspace =
+            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
+    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
+
+    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
+    if (dstCanvas == nullptr) {
+        ALOGE("Cannot acquire canvas from Skia.");
+        resultPromise->set_value(base::unexpected(BAD_VALUE));
+        return;
+    }
+
+    // setup color filter if necessary
+    sk_sp<SkColorFilter> displayColorTransform;
+    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
+    }
+    const bool ctModifiesAlpha =
+            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
+
+    // Find the max layer white point to determine the max luminance of the scene...
+    const float maxLayerWhitePoint = std::transform_reduce(
+            layers.cbegin(), layers.cend(), 0.f,
+            [](float left, float right) { return std::max(left, right); },
+            [&](const auto& l) { return l.whitePointNits; });
+
+    // ...and compute the dimming ratio if dimming is requested
+    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
+                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
+            ? maxLayerWhitePoint / display.targetLuminanceNits
+            : 1.f;
+
+    // Find if any layers have requested blur, we'll use that info to decide when to render to an
+    // offscreen buffer and when to render to the native buffer.
+    sk_sp<SkSurface> activeSurface(dstSurface);
+    SkCanvas* canvas = dstCanvas;
+    SkiaCapture::OffscreenState offscreenCaptureState;
+    const LayerSettings* blurCompositionLayer = nullptr;
+    if (mBlurFilter) {
+        bool requiresCompositionLayer = false;
+        for (const auto& layer : layers) {
+            // if the layer doesn't have blur or it is not visible then continue
+            if (!layerHasBlur(layer, ctModifiesAlpha)) {
+                continue;
+            }
+            if (layer.backgroundBlurRadius > 0 &&
+                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                requiresCompositionLayer = true;
+            }
+            for (auto region : layer.blurRegions) {
+                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                    requiresCompositionLayer = true;
+                }
+            }
+            if (requiresCompositionLayer) {
+                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
+                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
+                blurCompositionLayer = &layer;
+                break;
+            }
+        }
+    }
+
+    AutoSaveRestore surfaceAutoSaveRestore(canvas);
+    // Clear the entire canvas with a transparent black to prevent ghost images.
+    canvas->clear(SK_ColorTRANSPARENT);
+    initCanvas(canvas, display);
+
+    if (kPrintLayerSettings) {
+        logSettings(display);
+    }
+    for (const auto& layer : layers) {
+        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
+
+        if (kPrintLayerSettings) {
+            logSettings(layer);
+        }
+
+        sk_sp<SkImage> blurInput;
+        if (blurCompositionLayer == &layer) {
+            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
+            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
+
+            // save a snapshot of the activeSurface to use as input to the blur shaders
+            blurInput = activeSurface->makeImageSnapshot();
+
+            // blit the offscreen framebuffer into the destination AHB, but only
+            // if there are blur regions. backgroundBlurRadius blurs the entire
+            // image below, so it can skip this step.
+            if (layer.blurRegions.size()) {
+                SkPaint paint;
+                paint.setBlendMode(SkBlendMode::kSrc);
+                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
+                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
+                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
+                                              nullptr);
+                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
+                } else {
+                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
+                }
+            }
+
+            // assign dstCanvas to canvas and ensure that the canvas state is up to date
+            canvas = dstCanvas;
+            surfaceAutoSaveRestore.replace(canvas);
+            initCanvas(canvas, display);
+
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
+                                dstSurface->getCanvas()->getSaveCount());
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
+                                dstSurface->getCanvas()->getTotalMatrix());
+
+            // assign dstSurface to activeSurface
+            activeSurface = dstSurface;
+        }
+
+        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
+        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+            // Record the name of the layer if the capture is running.
+            std::stringstream layerSettings;
+            PrintTo(layer, &layerSettings);
+            // Store the LayerSettings in additional information.
+            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
+                                   SkData::MakeWithCString(layerSettings.str().c_str()));
+        }
+        // Layers have a local transform that should be applied to them
+        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
+
+        const auto [bounds, roundRectClip] =
+                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
+                                 layer.geometry.roundedCornersRadius);
+        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
+            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
+
+            // if multiple layers have blur, then we need to take a snapshot now because
+            // only the lowest layer will have blurImage populated earlier
+            if (!blurInput) {
+                blurInput = activeSurface->makeImageSnapshot();
+            }
+            // rect to be blurred in the coordinate space of blurInput
+            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
+
+            // if the clip needs to be applied then apply it now and make sure
+            // it is restored before we attempt to draw any shadows.
+            SkAutoCanvasRestore acr(canvas, true);
+            if (!roundRectClip.isEmpty()) {
+                canvas->clipRRect(roundRectClip, true);
+            }
+
+            // TODO(b/182216890): Filter out empty layers earlier
+            if (blurRect.width() > 0 && blurRect.height() > 0) {
+                if (layer.backgroundBlurRadius > 0) {
+                    ATRACE_NAME("BackgroundBlur");
+                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
+                                                              blurInput, blurRect);
+
+                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
+
+                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
+                                                blurRect, blurredImage, blurInput);
+                }
+
+                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
+                for (auto region : layer.blurRegions) {
+                    if (cachedBlurs[region.blurRadius] == nullptr) {
+                        ATRACE_NAME("BlurRegion");
+                        cachedBlurs[region.blurRadius] =
+                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
+                                                      blurRect);
+                    }
+
+                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
+                                                region.alpha, blurRect,
+                                                cachedBlurs[region.blurRadius], blurInput);
+                }
+            }
+        }
+
+        if (layer.shadow.length > 0) {
+            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
+            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
+
+            SkRRect shadowBounds, shadowClip;
+            if (layer.geometry.boundaries == layer.shadow.boundaries) {
+                shadowBounds = bounds;
+                shadowClip = roundRectClip;
+            } else {
+                std::tie(shadowBounds, shadowClip) =
+                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
+                                         layer.geometry.roundedCornersRadius);
+            }
+
+            // Technically, if bounds is a rect and roundRectClip is not empty,
+            // it means that the bounds and roundedCornersCrop were different
+            // enough that we should intersect them to find the proper shadow.
+            // In practice, this often happens when the two rectangles appear to
+            // not match due to rounding errors. Draw the rounded version, which
+            // looks more like the intent.
+            const auto& rrect =
+                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
+            drawShadow(canvas, rrect, layer.shadow);
+        }
+
+        const float layerDimmingRatio = layer.whitePointNits <= 0.f
+                ? displayDimmingRatio
+                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
+
+        const bool dimInLinearSpace = display.dimmingStage !=
+                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
+
+        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
+                (mUseColorManagement &&
+                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
+                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
+
+        // quick abort from drawing the remaining portion of the layer
+        if (layer.skipContentDraw ||
+            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
+             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
+            continue;
+        }
+
+        // If we need to map to linear space or color management is disabled, then mark the source
+        // image with the same colorspace as the destination surface so that Skia's color
+        // management is a no-op.
+        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
+                ? dstDataspace
+                : layer.sourceDataspace;
+
+        SkPaint paint;
+        if (layer.source.buffer.buffer) {
+            ATRACE_NAME("DrawImage");
+            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
+            const auto& item = layer.source.buffer;
+            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
+
+            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
+                iter != cache.end()) {
+                imageTextureRef = iter->second;
+            } else {
+                // If we didn't find the image in the cache, then create a local ref but don't cache
+                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
+                // we didn't find anything in the cache then we intentionally did not cache this
+                // buffer's resources.
+                imageTextureRef = std::make_shared<
+                        AutoBackendTexture::LocalRef>(grContext,
+                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
+                                                      false, mTextureCleanupMgr);
+            }
+
+            // if the layer's buffer has a fence, then we must must respect the fence prior to using
+            // the buffer.
+            if (layer.source.buffer.fence != nullptr) {
+                waitFence(grContext, layer.source.buffer.fence->get());
+            }
+
+            // isOpaque means we need to ignore the alpha in the image,
+            // replacing it with the alpha specified by the LayerSettings. See
+            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
+            // The proper way to do this is to use an SkColorType that ignores
+            // alpha, like kRGB_888x_SkColorType, and that is used if the
+            // incoming image is kRGBA_8888_SkColorType. However, the incoming
+            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
+            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
+            // kRGB_101010x_SkColorType, but it is not yet supported as a source
+            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
+            // meantime, we'll use a workaround that works unless we need to do
+            // any color conversion. The workaround requires that we pretend the
+            // image is already premultiplied, so that we do not premultiply it
+            // before applying SkBlendMode::kPlus.
+            const bool useIsOpaqueWorkaround = item.isOpaque &&
+                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
+                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
+            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
+                    : item.isOpaque                      ? kOpaque_SkAlphaType
+                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
+                                                         : kUnpremul_SkAlphaType;
+            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
+
+            auto texMatrix = getSkM44(item.textureTransform).asM33();
+            // textureTansform was intended to be passed directly into a shader, so when
+            // building the total matrix with the textureTransform we need to first
+            // normalize it, then apply the textureTransform, then scale back up.
+            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
+            texMatrix.postScale(image->width(), image->height());
+
+            SkMatrix matrix;
+            if (!texMatrix.invert(&matrix)) {
+                matrix = texMatrix;
+            }
+            // The shader does not respect the translation, so we add it to the texture
+            // transform for the SkImage. This will make sure that the correct layer contents
+            // are drawn in the correct part of the screen.
+            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
+
+            sk_sp<SkShader> shader;
+
+            if (layer.source.buffer.useTextureFiltering) {
+                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
+                                           SkSamplingOptions(
+                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
+                                           &matrix);
+            } else {
+                shader = image->makeShader(SkSamplingOptions(), matrix);
+            }
+
+            if (useIsOpaqueWorkaround) {
+                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
+                                          SkShaders::Color(SkColors::kBlack,
+                                                           toSkColorSpace(layerDataspace)));
+            }
+
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = !item.isOpaque &&
+                                                          item.usePremultipliedAlpha,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = dimInLinearSpace
+                                                          ? layerDimmingRatio
+                                                          : 1.f}));
+
+            // Turn on dithering when dimming beyond this (arbitrary) threshold...
+            static constexpr float kDimmingThreshold = 0.2f;
+            // ...or we're rendering an HDR layer down to an 8-bit target
+            // Most HDR standards require at least 10-bits of color depth for source content, so we
+            // can just extract the transfer function rather than dig into precise gralloc layout.
+            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
+            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
+                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
+            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
+                paint.setDither(true);
+            }
+            paint.setAlphaf(layer.alpha);
+
+            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
+                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
+
+                // SysUI creates the alpha layer as a coverage layer, which is
+                // appropriate for the DPU. Use a color matrix to convert it to
+                // a mask.
+                // TODO (b/219525258): Handle input as a mask.
+                //
+                // The color matrix will convert A8 pixels with no alpha to
+                // black, as described by this vector. If the display handles
+                // the color transform, we need to invert it to find the color
+                // that will result in black after the DPU applies the transform.
+                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
+                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
+                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
+                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
+                        black = colorSpaceMatrix * black;
+                    } else {
+                        // We'll just have to use 0,0,0 as black, which should
+                        // be close to correct.
+                        ALOGI("Could not invert colorTransform!");
+                    }
+                }
+                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
+                                          0, 0, 0, 0, black[1],
+                                          0, 0, 0, 0, black[2],
+                                          0, 0, 0, -1, 1);
+                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+                    // On the other hand, if the device doesn't handle it, we
+                    // have to apply it ourselves.
+                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
+                }
+                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
+            }
+        } else {
+            ATRACE_NAME("DrawColor");
+            const auto color = layer.source.solidColor;
+            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
+                                                                .fG = color.g,
+                                                                .fB = color.b,
+                                                                .fA = layer.alpha},
+                                                      toSkColorSpace(layerDataspace));
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = false,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = layerDimmingRatio}));
+        }
+
+        if (layer.disableBlending) {
+            paint.setBlendMode(SkBlendMode::kSrc);
+        }
+
+        // An A8 buffer will already have the proper color filter attached to
+        // its paint, including the displayColorTransform as needed.
+        if (!paint.getColorFilter()) {
+            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
+                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
+                // can assume a gamma 2.2 transfer function.
+                static constexpr float kInverseGamma22 = 1.f / 2.2f;
+                const auto gammaCorrectedDimmingRatio =
+                        std::pow(layerDimmingRatio, kInverseGamma22);
+                auto dimmingMatrix =
+                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
+                                         gammaCorrectedDimmingRatio, 1.f));
+
+                const auto colorFilter =
+                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
+                paint.setColorFilter(displayColorTransform
+                                             ? displayColorTransform->makeComposed(colorFilter)
+                                             : colorFilter);
+            } else {
+                paint.setColorFilter(displayColorTransform);
+            }
+        }
+
+        if (!roundRectClip.isEmpty()) {
+            canvas->clipRRect(roundRectClip, true);
+        }
+
+        if (!bounds.isRect()) {
+            paint.setAntiAlias(true);
+            canvas->drawRRect(bounds, paint);
+        } else {
+            canvas->drawRect(bounds.rect(), paint);
+        }
+        if (kFlushAfterEveryLayer) {
+            ATRACE_NAME("flush surface");
+            activeSurface->flush();
+        }
+    }
+    for (const auto& borderRenderInfo : display.borderInfoList) {
+        SkPaint p;
+        p.setColor(SkColor4f{borderRenderInfo.color.r, borderRenderInfo.color.g,
+                             borderRenderInfo.color.b, borderRenderInfo.color.a});
+        p.setAntiAlias(true);
+        p.setStyle(SkPaint::kStroke_Style);
+        p.setStrokeWidth(borderRenderInfo.width);
+        SkRegion sk_region;
+        SkPath path;
+
+        // Construct a final SkRegion using Regions
+        for (const auto& r : borderRenderInfo.combinedRegion) {
+            sk_region.op({r.left, r.top, r.right, r.bottom}, SkRegion::kUnion_Op);
+        }
+
+        sk_region.getBoundaryPath(&path);
+        canvas->drawPath(path, p);
+        path.close();
+    }
+
+    surfaceAutoSaveRestore.restore();
+    mCapture->endCapture();
+    {
+        ATRACE_NAME("flush surface");
+        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
+        activeSurface->flush();
+    }
+
+    base::unique_fd drawFence = flushAndSubmit(grContext);
+    resultPromise->set_value(sp<Fence>::make(std::move(drawFence)));
+}
+
+size_t SkiaRenderEngine::getMaxTextureSize() const {
+    return mGrContext->maxTextureSize();
+}
+
+size_t SkiaRenderEngine::getMaxViewportDims() const {
+    return mGrContext->maxRenderTargetSize();
+}
+
+void SkiaRenderEngine::drawShadow(SkCanvas* canvas,
+                                  const SkRRect& casterRRect,
+                                  const ShadowSettings& settings) {
+    ATRACE_CALL();
+    const float casterZ = settings.length / 2.0f;
+    const auto flags =
+            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
+
+    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
+                              getSkPoint3(settings.lightPos), settings.lightRadius,
+                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
+                              flags);
+}
+
+void SkiaRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
+    // This cache multiplier was selected based on review of cache sizes relative
+    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
+    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
+    // conservative default based on that analysis.
+    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
+    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
+
+    // start by resizing the current context
+    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+
+    // if it is possible to switch contexts then we will resize the other context
+    const bool originalProtectedState = mInProtectedContext;
+    useProtectedContext(!mInProtectedContext);
+    if (mInProtectedContext != originalProtectedState) {
+        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+        // reset back to the initial context that was active when this method was called
+        useProtectedContext(originalProtectedState);
+    }
+}
+
+void SkiaRenderEngine::dump(std::string& result) {
+    // Dump for the specific backend (GLES or Vk)
+    appendBackendSpecificInfoToDump(result);
+
+    // Info about protected content
+    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
+                  supportsProtectedContent());
+    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
+    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
+                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
+
+    std::vector<ResourcePair> cpuResourceMap = {
+            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
+            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
+            {"skia/sk_resource_cache/rects-blur_", "Masks"},
+            {"skia/sk_resource_cache/tessellated", "Shadows"},
+            {"skia", "Other"},
+    };
+    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
+    SkGraphics::DumpMemoryStatistics(&cpuReporter);
+    StringAppendF(&result, "Skia CPU Caches: ");
+    cpuReporter.logTotals(result);
+    cpuReporter.logOutput(result);
+
+    {
+        std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+        std::vector<ResourcePair> gpuResourceMap = {
+                {"texture_renderbuffer", "Texture/RenderBuffer"},
+                {"texture", "Texture"},
+                {"gr_text_blob_cache", "Text"},
+                {"skia", "Other"},
+        };
+        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
+        mGrContext->dumpMemoryStatistics(&gpuReporter);
+        StringAppendF(&result, "Skia's GPU Caches: ");
+        gpuReporter.logTotals(result);
+        gpuReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Wrapped Objects:\n");
+        gpuReporter.logOutput(result, true);
+
+        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
+                      mGraphicBufferExternalRefs.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
+            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
+        }
+        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
+                      mTextureCache.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        // TODO(178539829): It would be nice to know which layer these are coming from and what
+        // the texture sizes are.
+        for (const auto& [id, unused] : mTextureCache) {
+            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
+        }
+        StringAppendF(&result, "\n");
+
+        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
+        if (mProtectedGrContext) {
+            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
+        }
+        StringAppendF(&result, "Skia's GPU Protected Caches: ");
+        gpuProtectedReporter.logTotals(result);
+        gpuProtectedReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
+        gpuProtectedReporter.logOutput(result, true);
+
+        StringAppendF(&result, "\n");
+        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
+        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
+            StringAppendF(&result, "- inputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "- outputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
+                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
+        }
+    }
+    StringAppendF(&result, "\n");
+}
+
 } // namespace skia
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 160a186..e7c5b8f 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -20,6 +20,31 @@
 #include <renderengine/RenderEngine.h>
 #include <sys/types.h>
 
+#include <GrBackendSemaphore.h>
+#include <GrDirectContext.h>
+#include <SkSurface.h>
+#include <android-base/thread_annotations.h>
+#include <renderengine/ExternalTexture.h>
+#include <renderengine/RenderEngine.h>
+#include <sys/types.h>
+
+#include <mutex>
+#include <unordered_map>
+
+#include "AutoBackendTexture.h"
+#include "GrContextOptions.h"
+#include "SkImageInfo.h"
+#include "SkiaRenderEngine.h"
+#include "android-base/macros.h"
+#include "debug/SkiaCapture.h"
+#include "filters/BlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "filters/StretchShaderFactory.h"
+
+class SkData;
+
+struct SkPoint3;
+
 namespace android {
 
 namespace renderengine {
@@ -31,35 +56,141 @@
 
 class BlurFilter;
 
-// TODO: Put common skia stuff here that can be shared between the GL & Vulkan backends
-// Currently mostly just handles all the no-op / missing APIs
 class SkiaRenderEngine : public RenderEngine {
 public:
     static std::unique_ptr<SkiaRenderEngine> create(const RenderEngineCreationArgs& args);
-    SkiaRenderEngine(RenderEngineType type);
-    ~SkiaRenderEngine() override {}
+    SkiaRenderEngine(RenderEngineType type,
+                     PixelFormat pixelFormat,
+                     bool useColorManagement,
+                     bool supportsBackgroundBlur);
+    ~SkiaRenderEngine() override;
 
-    virtual std::future<void> primeCache() override { return {}; };
-    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override{};
-    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override{};
-    virtual bool isProtected() const override { return false; } // mInProtectedContext; }
-    virtual bool supportsProtectedContent() const override { return false; };
-    virtual int getContextPriority() override { return 0; }
-    virtual int reportShadersCompiled() { return 0; }
-    virtual void setEnableTracing(bool tracingEnabled) override;
+    std::future<void> primeCache() override final;
+    void cleanupPostRender() override final;
+    void cleanFramebufferCache() override final{ }
+    bool isProtected() const override final{ return mInProtectedContext; }
+    bool supportsBackgroundBlur() override final {
+        return mBlurFilter != nullptr;
+    }
+    void onActiveDisplaySizeChanged(ui::Size size) override final;
+    int reportShadersCompiled();
 
+    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override final{};
+    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override final{};
+    virtual void setEnableTracing(bool tracingEnabled) override final;
+
+    void useProtectedContext(bool useProtectedContext) override;
+    bool supportsProtectedContent() const override {
+        return supportsProtectedContentImpl();
+    }
+    void ensureGrContextsCreated();
 protected:
-    virtual void mapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/,
-                                          bool /*isRenderable*/) override = 0;
-    virtual void unmapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/) override = 0;
+    // This is so backends can stop the generic rendering state first before
+    // cleaning up backend-specific state
+    void finishRenderingAndAbandonContext();
 
-    virtual void drawLayersInternal(
-            const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-            const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-            const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-            base::unique_fd&& bufferFence) override {
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
+    // Functions that a given backend (GLES, Vulkan) must implement
+    using Contexts = std::pair<sk_sp<GrDirectContext>, sk_sp<GrDirectContext>>;
+    virtual Contexts createDirectContexts(const GrContextOptions& options) = 0;
+    virtual bool supportsProtectedContentImpl() const = 0;
+    virtual bool useProtectedContextImpl(GrProtected isProtected) = 0;
+    virtual void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) = 0;
+    virtual base::unique_fd flushAndSubmit(GrDirectContext* context) = 0;
+    virtual void appendBackendSpecificInfoToDump(std::string& result) = 0;
+
+    size_t getMaxTextureSize() const override final;
+    size_t getMaxViewportDims() const override final;
+    GrDirectContext* getActiveGrContext();
+
+    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
+    // cached.
+    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
+    public:
+        SkSLCacheMonitor() = default;
+        ~SkSLCacheMonitor() override = default;
+
+        sk_sp<SkData> load(const SkData& key) override;
+
+        void store(const SkData& key, const SkData& data, const SkString& description) override;
+
+        int shadersCachedSinceLastCall() {
+            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
+            mShadersCachedSinceLastCall = 0;
+            return shadersCachedSinceLastCall;
+        }
+
+        int totalShadersCompiled() const { return mTotalShadersCompiled; }
+
+    private:
+        int mShadersCachedSinceLastCall = 0;
+        int mTotalShadersCompiled = 0;
     };
+
+private:
+    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                  bool isRenderable) override final;
+    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override final;
+    bool canSkipPostRenderCleanup() const override final;
+
+    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
+    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
+                    const ShadowSettings& shadowSettings);
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+                            const DisplaySettings& display,
+                            const std::vector<LayerSettings>& layers,
+                            const std::shared_ptr<ExternalTexture>& buffer,
+                            const bool useFramebufferCache,
+                            base::unique_fd&& bufferFence) override final;
+
+    void dump(std::string& result) override final;
+
+    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
+    // Otherwise it returns the input shader.
+    struct RuntimeEffectShaderParameters {
+        sk_sp<SkShader> shader;
+        const LayerSettings& layer;
+        const DisplaySettings& display;
+        bool undoPremultipliedAlpha;
+        bool requiresLinearEffect;
+        float layerDimmingRatio;
+    };
+    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+
+    const PixelFormat mDefaultPixelFormat;
+    const bool mUseColorManagement;
+
+    // Identifier used for various mappings of layers to various
+    // textures or shaders
+    using GraphicBufferId = uint64_t;
+
+    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
+    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
+            GUARDED_BY(mRenderingMutex);
+    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
+    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
+            GUARDED_BY(mRenderingMutex);
+    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
+            mRuntimeEffects;
+    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
+
+    StretchShaderFactory mStretchShaderFactory;
+
+    sp<Fence> mLastDrawFence;
+    BlurFilter* mBlurFilter = nullptr;
+
+    // Object to capture commands send to Skia.
+    std::unique_ptr<SkiaCapture> mCapture;
+
+    // Mutex guarding rendering operations, so that internal state related to
+    // rendering that is potentially modified by multiple threads is guaranteed thread-safe.
+    mutable std::mutex mRenderingMutex;
+    SkSLCacheMonitor mSkSLCacheMonitor;
+
+    // Graphics context used for creating surfaces and submitting commands
+    sk_sp<GrDirectContext> mGrContext;
+    // Same as above, but for protected content (eg. DRM)
+    sk_sp<GrDirectContext> mProtectedGrContext;
+    bool mInProtectedContext = false;
 };
 
 } // namespace skia
diff --git a/libs/renderengine/skia/debug/SkiaCapture.cpp b/libs/renderengine/skia/debug/SkiaCapture.cpp
index 856fff4..b21b01c 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.cpp
+++ b/libs/renderengine/skia/debug/SkiaCapture.cpp
@@ -27,6 +27,9 @@
 #include <utils/Trace.h>
 
 #include "CommonPool.h"
+#include "SkCanvas.h"
+#include "SkRect.h"
+#include "SkTypeface.h"
 #include "src/utils/SkMultiPictureDocument.h"
 
 namespace android {
diff --git a/libs/renderengine/skia/debug/SkiaCapture.h b/libs/renderengine/skia/debug/SkiaCapture.h
index f194629..d65a579 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.h
+++ b/libs/renderengine/skia/debug/SkiaCapture.h
@@ -19,13 +19,15 @@
 #include <SkDocument.h>
 #include <SkNWayCanvas.h>
 #include <SkPictureRecorder.h>
+#include <SkRefCnt.h>
+#include <SkStream.h>
 #include <SkSurface.h>
+#include "tools/SkSharingProc.h"
 
 #include <chrono>
 #include <mutex>
 
 #include "CaptureTimer.h"
-#include "tools/SkSharingProc.h"
 
 namespace android {
 namespace renderengine {
diff --git a/libs/renderengine/skia/filters/BlurFilter.cpp b/libs/renderengine/skia/filters/BlurFilter.cpp
index 63cc02b..2557ac9 100644
--- a/libs/renderengine/skia/filters/BlurFilter.cpp
+++ b/libs/renderengine/skia/filters/BlurFilter.cpp
@@ -17,7 +17,6 @@
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 #include "BlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/skia/filters/GaussianBlurFilter.cpp b/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
index 55867a9..f3b6ab9 100644
--- a/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
+++ b/libs/renderengine/skia/filters/GaussianBlurFilter.cpp
@@ -18,7 +18,6 @@
 
 #include "GaussianBlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/skia/filters/KawaseBlurFilter.cpp b/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
index bfde06f..e370c39 100644
--- a/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
+++ b/libs/renderengine/skia/filters/KawaseBlurFilter.cpp
@@ -18,7 +18,6 @@
 
 #include "KawaseBlurFilter.h"
 #include <SkCanvas.h>
-#include <SkData.h>
 #include <SkPaint.h>
 #include <SkRRect.h>
 #include <SkRuntimeEffect.h>
diff --git a/libs/renderengine/tests/Android.bp b/libs/renderengine/tests/Android.bp
index bbab792..6f328d7 100644
--- a/libs/renderengine/tests/Android.bp
+++ b/libs/renderengine/tests/Android.bp
@@ -24,6 +24,7 @@
 cc_test {
     name: "librenderengine_test",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "skia_deps",
         "surfaceflinger_defaults",
     ],
@@ -49,7 +50,6 @@
     ],
 
     shared_libs: [
-        "android.hardware.graphics.composer3-V1-ndk",
         "libbase",
         "libcutils",
         "libEGL",
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 7c70a74..777d02f 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -37,7 +37,6 @@
 #include <condition_variable>
 #include <fstream>
 
-#include "../gl/GLESRenderEngine.h"
 #include "../skia/SkiaGLRenderEngine.h"
 #include "../threaded/RenderEngineThreaded.h"
 
@@ -108,73 +107,9 @@
     virtual std::string name() = 0;
     virtual renderengine::RenderEngine::RenderEngineType type() = 0;
     virtual std::unique_ptr<renderengine::RenderEngine> createRenderEngine() = 0;
-    virtual std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
-        return nullptr;
-    }
     virtual bool useColorManagement() const = 0;
 };
 
-class GLESRenderEngineFactory : public RenderEngineFactory {
-public:
-    std::string name() override { return "GLESRenderEngineFactory"; }
-
-    renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
-    }
-
-    std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
-    }
-
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() {
-        renderengine::RenderEngineCreationArgs reCreationArgs =
-                renderengine::RenderEngineCreationArgs::Builder()
-                        .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
-                        .setImageCacheSize(1)
-                        .setUseColorManagerment(false)
-                        .setEnableProtectedContext(false)
-                        .setPrecacheToneMapperShaderOnly(false)
-                        .setSupportsBackgroundBlur(true)
-                        .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
-                        .setRenderEngineType(type())
-                        .setUseColorManagerment(useColorManagement())
-                        .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
-    }
-
-    bool useColorManagement() const override { return false; }
-};
-
-class GLESCMRenderEngineFactory : public RenderEngineFactory {
-public:
-    std::string name() override { return "GLESCMRenderEngineFactory"; }
-
-    renderengine::RenderEngine::RenderEngineType type() {
-        return renderengine::RenderEngine::RenderEngineType::GLES;
-    }
-
-    std::unique_ptr<renderengine::RenderEngine> createRenderEngine() override {
-        return createGLESRenderEngine();
-    }
-
-    std::unique_ptr<renderengine::gl::GLESRenderEngine> createGLESRenderEngine() override {
-        renderengine::RenderEngineCreationArgs reCreationArgs =
-                renderengine::RenderEngineCreationArgs::Builder()
-                        .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
-                        .setImageCacheSize(1)
-                        .setEnableProtectedContext(false)
-                        .setPrecacheToneMapperShaderOnly(false)
-                        .setSupportsBackgroundBlur(true)
-                        .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
-                        .setRenderEngineType(type())
-                        .setUseColorManagerment(useColorManagement())
-                        .build();
-        return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
-    }
-
-    bool useColorManagement() const override { return true; }
-};
-
 class SkiaGLESRenderEngineFactory : public RenderEngineFactory {
 public:
     std::string name() override { return "SkiaGLRenderEngineFactory"; }
@@ -232,14 +167,14 @@
     std::shared_ptr<renderengine::ExternalTexture> allocateDefaultBuffer() {
         return std::make_shared<
                 renderengine::impl::
-                        ExternalTexture>(new GraphicBuffer(DEFAULT_DISPLAY_WIDTH,
-                                                           DEFAULT_DISPLAY_HEIGHT,
-                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                           GRALLOC_USAGE_SW_READ_OFTEN |
-                                                                   GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                                   GRALLOC_USAGE_HW_RENDER |
-                                                                   GRALLOC_USAGE_HW_TEXTURE,
-                                                           "output"),
+                        ExternalTexture>(sp<GraphicBuffer>::
+                                                 make(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT,
+                                                      HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                      GRALLOC_USAGE_SW_READ_OFTEN |
+                                                              GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                              GRALLOC_USAGE_HW_RENDER |
+                                                              GRALLOC_USAGE_HW_TEXTURE,
+                                                      "output"),
                                          *mRE,
                                          renderengine::impl::ExternalTexture::Usage::READABLE |
                                                  renderengine::impl::ExternalTexture::Usage::
@@ -251,12 +186,12 @@
                                                                         uint32_t height) {
         return std::make_shared<
                 renderengine::impl::
-                        ExternalTexture>(new GraphicBuffer(width, height,
-                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                                           GRALLOC_USAGE_SW_READ_OFTEN |
-                                                                   GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                                   GRALLOC_USAGE_HW_TEXTURE,
-                                                           "input"),
+                        ExternalTexture>(sp<GraphicBuffer>::
+                                                 make(width, height, HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                      GRALLOC_USAGE_SW_READ_OFTEN |
+                                                              GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                              GRALLOC_USAGE_HW_TEXTURE,
+                                                      "input"),
                                          *mRE,
                                          renderengine::impl::ExternalTexture::Usage::READABLE |
                                                  renderengine::impl::ExternalTexture::Usage::
@@ -285,10 +220,12 @@
     }
 
     std::shared_ptr<renderengine::ExternalTexture> allocateR8Buffer(int width, int height) {
-        auto buffer = new GraphicBuffer(width, height, android::PIXEL_FORMAT_R_8, 1,
-                                        GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                GRALLOC_USAGE_HW_TEXTURE,
-                                        "r8");
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                      GRALLOC_USAGE_HW_TEXTURE);
+        auto buffer =
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(width), static_cast<uint32_t>(height),
+                                        android::PIXEL_FORMAT_R_8, 1u, kUsageFlags, "r8");
         if (buffer->initCheck() != 0) {
             // Devices are not required to support R8.
             return nullptr;
@@ -311,9 +248,6 @@
         }
         for (uint32_t texName : mTexNames) {
             mRE->deleteTextures(1, &texName);
-            if (mGLESRE != nullptr) {
-                EXPECT_FALSE(mGLESRE->isTextureNameKnownForTesting(texName));
-            }
         }
         const ::testing::TestInfo* const test_info =
                 ::testing::UnitTest::GetInstance()->current_test_info();
@@ -444,7 +378,9 @@
                            const ubyte4& backgroundColor) {
         const Rect casterRect(castingLayer.geometry.boundaries);
         Region casterRegion = Region(casterRect);
-        const float casterCornerRadius = castingLayer.geometry.roundedCornersRadius;
+        const float casterCornerRadius = (castingLayer.geometry.roundedCornersRadius.x +
+                                          castingLayer.geometry.roundedCornersRadius.y) /
+                2.0;
         if (casterCornerRadius > 0.0f) {
             // ignore the corners if a corner radius is set
             Rect cornerRect(casterCornerRadius, casterCornerRadius);
@@ -524,20 +460,15 @@
 
     void invokeDraw(const renderengine::DisplaySettings& settings,
                     const std::vector<renderengine::LayerSettings>& layers) {
-        std::future<renderengine::RenderEngineResult> result =
+        ftl::Future<FenceResult> future =
                 mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd());
+        ASSERT_TRUE(future.valid());
 
-        ASSERT_TRUE(result.valid());
-        auto [status, fence] = result.get();
+        auto result = future.get();
+        ASSERT_TRUE(result.ok());
 
-        ASSERT_EQ(NO_ERROR, status);
-        if (fence.ok()) {
-            sync_wait(fence.get(), -1);
-        }
-
-        if (layers.size() > 0 && mGLESRE != nullptr) {
-            ASSERT_TRUE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-        }
+        auto fence = result.value();
+        fence->waitForever(LOG_TAG);
     }
 
     void drawEmptyLayers() {
@@ -660,26 +591,13 @@
 
     std::unique_ptr<renderengine::RenderEngine> mRE;
     std::shared_ptr<renderengine::ExternalTexture> mBuffer;
-    // GLESRenderEngine for testing GLES-specific behavior.
-    // Owened by mRE, but this is downcasted.
-    renderengine::gl::GLESRenderEngine* mGLESRE = nullptr;
 
     std::vector<uint32_t> mTexNames;
 };
 
 void RenderEngineTest::initializeRenderEngine() {
     const auto& renderEngineFactory = GetParam();
-    if (renderEngineFactory->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        // Only GLESRenderEngine exposes test-only methods. Provide a pointer to the
-        // GLESRenderEngine if we're using it so that we don't need to dynamic_cast
-        // every time.
-        std::unique_ptr<renderengine::gl::GLESRenderEngine> renderEngine =
-                renderEngineFactory->createGLESRenderEngine();
-        mGLESRE = renderEngine.get();
-        mRE = std::move(renderEngine);
-    } else {
-        mRE = renderEngineFactory->createRenderEngine();
-    }
+    mRE = renderEngineFactory->createRenderEngine();
     mBuffer = allocateDefaultBuffer();
 }
 
@@ -1000,9 +918,9 @@
     std::vector<renderengine::LayerSettings> layers;
 
     renderengine::LayerSettings layer;
-    layer.sourceDataspace = sourceDataspace;
     layer.geometry.boundaries = Rect(1, 1).toFloatRect();
     SourceVariant::fillColor(layer, 0.5f, 0.25f, 0.125f, this);
+    layer.sourceDataspace = sourceDataspace;
     layer.alpha = 1.0f;
 
     // construct a fake color matrix
@@ -1028,13 +946,13 @@
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndSourceDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {172, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {172, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {77, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {101, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {75, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_2 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {172, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {61, 0, 0, 255};
     for (const auto& [sourceDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndSourceDataspace<SourceVariant>(sourceDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1074,13 +992,13 @@
 template <typename SourceVariant>
 void RenderEngineTest::fillBufferColorTransformAndOutputDataspace() {
     unordered_map<ui::Dataspace, ubyte4> dataspaceToColorMap;
-    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {202, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::BT2020] = {192, 0, 0, 255};
-    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {202, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::V0_BT709] = {198, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::BT2020] = {187, 0, 0, 255};
+    dataspaceToColorMap[ui::Dataspace::ADOBE_RGB] = {192, 0, 0, 255};
     ui::Dataspace customizedDataspace = static_cast<ui::Dataspace>(
             ui::Dataspace::STANDARD_BT709 | ui::Dataspace::TRANSFER_GAMMA2_6 |
             ui::Dataspace::RANGE_FULL);
-    dataspaceToColorMap[customizedDataspace] = {202, 0, 0, 255};
+    dataspaceToColorMap[customizedDataspace] = {205, 0, 0, 255};
     for (const auto& [outputDataspace, color] : dataspaceToColorMap) {
         fillBufferWithColorTransformAndOutputDataspace<SourceVariant>(outputDataspace);
         expectBufferColor(fullscreenRect(), color.r, color.g, color.b, color.a, 1);
@@ -1129,7 +1047,7 @@
     renderengine::LayerSettings layer;
     layer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     layer.geometry.boundaries = fullscreenRect().toFloatRect();
-    layer.geometry.roundedCornersRadius = 5.0f;
+    layer.geometry.roundedCornersRadius = {5.0f, 5.0f};
     layer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
     SourceVariant::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
     layer.alpha = 1.0f;
@@ -1494,13 +1412,13 @@
 
     auto buf = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(kGreyLevels, 1, HAL_PIXEL_FORMAT_RGBA_8888,
-                                                       1,
-                                                       GRALLOC_USAGE_SW_READ_OFTEN |
-                                                               GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                               GRALLOC_USAGE_HW_RENDER |
-                                                               GRALLOC_USAGE_HW_TEXTURE,
-                                                       "input"),
+                    ExternalTexture>(sp<GraphicBuffer>::make(kGreyLevels, 1,
+                                                             HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                             GRALLOC_USAGE_SW_READ_OFTEN |
+                                                                     GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                                     GRALLOC_USAGE_HW_RENDER |
+                                                                     GRALLOC_USAGE_HW_TEXTURE,
+                                                             "input"),
                                      *mRE,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
@@ -1527,13 +1445,13 @@
 
     mBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(kGreyLevels, 1, HAL_PIXEL_FORMAT_RGBA_8888,
-                                                       1,
-                                                       GRALLOC_USAGE_SW_READ_OFTEN |
-                                                               GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                                               GRALLOC_USAGE_HW_RENDER |
-                                                               GRALLOC_USAGE_HW_TEXTURE,
-                                                       "output"),
+                    ExternalTexture>(sp<GraphicBuffer>::make(kGreyLevels, 1,
+                                                             HAL_PIXEL_FORMAT_RGBA_8888, 1,
+                                                             GRALLOC_USAGE_SW_READ_OFTEN |
+                                                                     GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                                                     GRALLOC_USAGE_HW_RENDER |
+                                                                     GRALLOC_USAGE_HW_TEXTURE,
+                                                             "output"),
                                      *mRE,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
@@ -1596,9 +1514,7 @@
 }
 
 INSTANTIATE_TEST_SUITE_P(PerRenderEngineType, RenderEngineTest,
-                         testing::Values(std::make_shared<GLESRenderEngineFactory>(),
-                                         std::make_shared<GLESCMRenderEngineFactory>(),
-                                         std::make_shared<SkiaGLESRenderEngineFactory>(),
+                         testing::Values(std::make_shared<SkiaGLESRenderEngineFactory>(),
                                          std::make_shared<SkiaGLESCMRenderEngineFactory>()));
 
 TEST_P(RenderEngineTest, drawLayers_noLayersToDraw) {
@@ -1606,6 +1522,30 @@
     drawEmptyLayers();
 }
 
+TEST_P(RenderEngineTest, drawLayers_fillRedBufferAndEmptyBuffer) {
+    initializeRenderEngine();
+    renderengine::DisplaySettings settings;
+    settings.physicalDisplay = fullscreenRect();
+    settings.clip = fullscreenRect();
+    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+
+    // add a red layer
+    renderengine::LayerSettings layerOne{
+            .geometry.boundaries = fullscreenRect().toFloatRect(),
+            .source.solidColor = half3(1.0f, 0.0f, 0.0f),
+            .alpha = 1.f,
+    };
+
+    std::vector<renderengine::LayerSettings> layersFirst{layerOne};
+    invokeDraw(settings, layersFirst);
+    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);
+
+    // re-draw with an empty layer above it, and we get a transparent black one
+    std::vector<renderengine::LayerSettings> layersSecond;
+    invokeDraw(settings, layersSecond);
+    expectBufferColor(fullscreenRect(), 0, 0, 0, 0);
+}
+
 TEST_P(RenderEngineTest, drawLayers_withoutBuffers_withColorTransform) {
     initializeRenderEngine();
 
@@ -1647,49 +1587,13 @@
     layer.geometry.boundaries = fullscreenRect().toFloatRect();
     BufferSourceVariant<ForceOpaqueBufferVariant>::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
     layers.push_back(layer);
-    std::future<renderengine::RenderEngineResult> result =
+    ftl::Future<FenceResult> future =
             mRE->drawLayers(settings, layers, nullptr, true, base::unique_fd());
 
-    ASSERT_TRUE(result.valid());
-    auto [status, fence] = result.get();
-    ASSERT_EQ(BAD_VALUE, status);
-    ASSERT_FALSE(fence.ok());
-}
-
-TEST_P(RenderEngineTest, drawLayers_doesNotCacheFramebuffer) {
-    const auto& renderEngineFactory = GetParam();
-
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        // GLES-specific test
-        return;
-    }
-
-    initializeRenderEngine();
-
-    renderengine::DisplaySettings settings;
-    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-    settings.physicalDisplay = fullscreenRect();
-    settings.clip = fullscreenRect();
-
-    std::vector<renderengine::LayerSettings> layers;
-    renderengine::LayerSettings layer;
-    layer.geometry.boundaries = fullscreenRect().toFloatRect();
-    BufferSourceVariant<ForceOpaqueBufferVariant>::fillColor(layer, 1.0f, 0.0f, 0.0f, this);
-    layer.alpha = 1.0;
-    layers.push_back(layer);
-
-    std::future<renderengine::RenderEngineResult> result =
-            mRE->drawLayers(settings, layers, mBuffer, false, base::unique_fd());
-    ASSERT_TRUE(result.valid());
-    auto [status, fence] = result.get();
-
-    ASSERT_EQ(NO_ERROR, status);
-    if (fence.ok()) {
-        sync_wait(fence.get(), -1);
-    }
-
-    ASSERT_FALSE(mGLESRE->isFramebufferImageCachedForTesting(mBuffer->getBuffer()->getId()));
-    expectBufferColor(fullscreenRect(), 255, 0, 0, 255);
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_FALSE(result.ok());
+    ASSERT_EQ(BAD_VALUE, result.error());
 }
 
 TEST_P(RenderEngineTest, drawLayers_fillRedBuffer_colorSource) {
@@ -1751,11 +1655,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1766,11 +1666,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1861,11 +1757,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1876,11 +1768,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1971,11 +1859,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -1986,11 +1870,7 @@
     const auto& renderEngineFactory = GetParam();
     // skip for non color management
     if (!renderEngineFactory->useColorManagement()) {
-        return;
-    }
-    // skip for GLESRenderEngine
-    if (renderEngineFactory->type() != renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
+        GTEST_SKIP();
     }
 
     initializeRenderEngine();
@@ -2131,7 +2011,7 @@
     casterBounds.offsetBy(shadowLength + 1, shadowLength + 1);
     renderengine::LayerSettings castingLayer;
     castingLayer.geometry.boundaries = casterBounds.toFloatRect();
-    castingLayer.geometry.roundedCornersRadius = 3.0f;
+    castingLayer.geometry.roundedCornersRadius = {3.0f, 3.0f};
     castingLayer.geometry.roundedCornersCrop = casterBounds.toFloatRect();
     castingLayer.alpha = 1.0f;
     renderengine::ShadowSettings settings =
@@ -2185,20 +2065,20 @@
     layer.alpha = 1.0;
     layers.push_back(layer);
 
-    std::future<renderengine::RenderEngineResult> resultOne =
+    ftl::Future<FenceResult> futureOne =
             mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd());
-    ASSERT_TRUE(resultOne.valid());
-    auto [statusOne, fenceOne] = resultOne.get();
-    ASSERT_EQ(NO_ERROR, statusOne);
+    ASSERT_TRUE(futureOne.valid());
+    auto resultOne = futureOne.get();
+    ASSERT_TRUE(resultOne.ok());
+    auto fenceOne = resultOne.value();
 
-    std::future<renderengine::RenderEngineResult> resultTwo =
-            mRE->drawLayers(settings, layers, mBuffer, true, std::move(fenceOne));
-    ASSERT_TRUE(resultTwo.valid());
-    auto [statusTwo, fenceTwo] = resultTwo.get();
-    ASSERT_EQ(NO_ERROR, statusTwo);
-    if (fenceTwo.ok()) {
-        sync_wait(fenceTwo.get(), -1);
-    }
+    ftl::Future<FenceResult> futureTwo =
+            mRE->drawLayers(settings, layers, mBuffer, true, base::unique_fd(fenceOne->dup()));
+    ASSERT_TRUE(futureTwo.valid());
+    auto resultTwo = futureTwo.get();
+    ASSERT_TRUE(resultTwo.ok());
+    auto fenceTwo = resultTwo.value();
+    fenceTwo->waitForever(LOG_TAG);
 
     // Only cleanup the first time.
     EXPECT_FALSE(mRE->canSkipPostRenderCleanup());
@@ -2219,7 +2099,8 @@
     renderengine::LayerSettings redLayer;
     redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     redLayer.geometry.boundaries = fullscreenRect().toFloatRect();
-    redLayer.geometry.roundedCornersRadius = 5.0f;
+    redLayer.geometry.roundedCornersRadius = {5.0f, 5.0f};
+
     redLayer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
     // Red background.
     redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
@@ -2231,7 +2112,7 @@
     renderengine::LayerSettings greenLayer;
     greenLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     greenLayer.geometry.boundaries = fullscreenRect().toFloatRect();
-    greenLayer.geometry.roundedCornersRadius = 5.0f;
+    greenLayer.geometry.roundedCornersRadius = {5.0f, 5.0f};
     // Bottom right corner is not going to be rounded.
     greenLayer.geometry.roundedCornersCrop =
             Rect(DEFAULT_DISPLAY_WIDTH / 3, DEFAULT_DISPLAY_HEIGHT / 3, DEFAULT_DISPLAY_HEIGHT,
@@ -2268,7 +2149,7 @@
     renderengine::LayerSettings redLayer;
     redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     redLayer.geometry.boundaries = fullscreenRect().toFloatRect();
-    redLayer.geometry.roundedCornersRadius = 5.0f;
+    redLayer.geometry.roundedCornersRadius = {5.0f, 5.0f};
     redLayer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
     // Red background.
     redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
@@ -2313,7 +2194,7 @@
     renderengine::LayerSettings redLayer;
     redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     redLayer.geometry.boundaries = FloatRect(0, 0, DEFAULT_DISPLAY_WIDTH, 32);
-    redLayer.geometry.roundedCornersRadius = 64;
+    redLayer.geometry.roundedCornersRadius = {64.0f, 64.0f};
     redLayer.geometry.roundedCornersCrop = FloatRect(0, 0, DEFAULT_DISPLAY_WIDTH, 128);
     // Red background.
     redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
@@ -2334,6 +2215,49 @@
     expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH / 2, 31), 255, 0, 0, 255);
 }
 
+TEST_P(RenderEngineTest, testRoundedCornersXY) {
+    if (GetParam()->type() != renderengine::RenderEngine::RenderEngineType::SKIA_GL) {
+        GTEST_SKIP();
+    }
+
+    initializeRenderEngine();
+
+    renderengine::DisplaySettings settings;
+    settings.physicalDisplay = fullscreenRect();
+    settings.clip = fullscreenRect();
+    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+
+    std::vector<renderengine::LayerSettings> layers;
+
+    renderengine::LayerSettings redLayer;
+    redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+    redLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+    redLayer.geometry.roundedCornersRadius = {5.0f, 20.0f};
+    redLayer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
+    // Red background.
+    redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
+    redLayer.alpha = 1.0f;
+
+    layers.push_back(redLayer);
+
+    invokeDraw(settings, layers);
+
+    // Due to roundedCornersRadius, the corners are untouched.
+    expectBufferColor(Point(0, 0), 0, 0, 0, 0);
+    expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH - 1, 0), 0, 0, 0, 0);
+    expectBufferColor(Point(0, DEFAULT_DISPLAY_HEIGHT - 1), 0, 0, 0, 0);
+    expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH - 1, DEFAULT_DISPLAY_HEIGHT - 1), 0, 0, 0, 0);
+
+    // Y-axis draws a larger radius, check that its untouched as well
+    expectBufferColor(Point(0, DEFAULT_DISPLAY_HEIGHT - 5), 0, 0, 0, 0);
+    expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH - 1, DEFAULT_DISPLAY_HEIGHT - 5), 0, 0, 0, 0);
+    expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH - 1, 5), 0, 0, 0, 0);
+    expectBufferColor(Point(0, 5), 0, 0, 0, 0);
+
+    //  middle should be red
+    expectBufferColor(Point(DEFAULT_DISPLAY_WIDTH / 2, DEFAULT_DISPLAY_HEIGHT / 2), 255, 0, 0, 255);
+}
+
 TEST_P(RenderEngineTest, testClear) {
     initializeRenderEngine();
 
@@ -2411,11 +2335,56 @@
     expectBufferColor(rect, 0, 128, 0, 128);
 }
 
-TEST_P(RenderEngineTest, testDimming) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
+TEST_P(RenderEngineTest, testBorder) {
+    if (GetParam()->type() != renderengine::RenderEngine::RenderEngineType::SKIA_GL) {
         GTEST_SKIP();
     }
 
+    if (!GetParam()->useColorManagement()) {
+        GTEST_SKIP();
+    }
+
+    initializeRenderEngine();
+
+    const ui::Dataspace dataspace = ui::Dataspace::V0_SRGB;
+
+    const auto displayRect = Rect(1080, 2280);
+    renderengine::DisplaySettings display{
+            .physicalDisplay = displayRect,
+            .clip = displayRect,
+            .outputDataspace = dataspace,
+    };
+    display.borderInfoList.clear();
+    renderengine::BorderRenderInfo info;
+    info.combinedRegion = Region(Rect(99, 99, 199, 199));
+    info.width = 20.0f;
+    info.color = half4{1.0f, 128.0f / 255.0f, 0.0f, 1.0f};
+    display.borderInfoList.emplace_back(info);
+
+    const auto greenBuffer = allocateAndFillSourceBuffer(1, 1, ubyte4(0, 255, 0, 255));
+    const renderengine::LayerSettings greenLayer{
+            .geometry.boundaries = FloatRect(0.f, 0.f, 1.f, 1.f),
+            .source =
+                    renderengine::PixelSource{
+                            .buffer =
+                                    renderengine::Buffer{
+                                            .buffer = greenBuffer,
+                                            .usePremultipliedAlpha = true,
+                                    },
+                    },
+            .alpha = 1.0f,
+            .sourceDataspace = dataspace,
+            .whitePointNits = 200.f,
+    };
+
+    std::vector<renderengine::LayerSettings> layers;
+    layers.emplace_back(greenLayer);
+    invokeDraw(display, layers);
+
+    expectBufferColor(Rect(99, 99, 101, 101), 255, 128, 0, 255, 1);
+}
+
+TEST_P(RenderEngineTest, testDimming) {
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = ui::Dataspace::V0_SRGB_LINEAR;
@@ -2488,9 +2457,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2566,9 +2532,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2629,9 +2592,6 @@
 }
 
 TEST_P(RenderEngineTest, testDimming_inGammaSpace_withDisplayColorTransform_deviceHandles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
     initializeRenderEngine();
 
     const ui::Dataspace dataspace = static_cast<ui::Dataspace>(ui::Dataspace::STANDARD_BT709 |
@@ -2694,9 +2654,6 @@
 
 TEST_P(RenderEngineTest, testDimming_withoutTargetLuminance) {
     initializeRenderEngine();
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
 
     const auto displayRect = Rect(2, 1);
     const renderengine::DisplaySettings display{
@@ -2802,10 +2759,6 @@
         GTEST_SKIP();
     }
 
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     tonemap(
@@ -2823,10 +2776,6 @@
         GTEST_SKIP();
     }
 
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     tonemap(
@@ -2840,10 +2789,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_behaves_as_mask) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -2901,10 +2846,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -2967,10 +2908,6 @@
 }
 
 TEST_P(RenderEngineTest, r8_respects_color_transform_when_device_handles) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        return;
-    }
-
     initializeRenderEngine();
 
     const auto r8Buffer = allocateR8Buffer(2, 1);
@@ -3036,10 +2973,6 @@
 }
 
 TEST_P(RenderEngineTest, primeShaderCache) {
-    if (GetParam()->type() == renderengine::RenderEngine::RenderEngineType::GLES) {
-        GTEST_SKIP();
-    }
-
     initializeRenderEngine();
 
     auto fut = mRE->primeCache();
diff --git a/libs/renderengine/tests/RenderEngineThreadedTest.cpp b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
index 9685189..1a96289 100644
--- a/libs/renderengine/tests/RenderEngineThreadedTest.cpp
+++ b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
@@ -176,27 +176,24 @@
     std::vector<renderengine::LayerSettings> layers;
     std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), *mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), *mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
 
     base::unique_fd bufferFence;
 
     EXPECT_CALL(*mRenderEngine, drawLayersInternal)
-            .WillOnce([&](const std::shared_ptr<std::promise<renderengine::RenderEngineResult>>&&
-                                  resultPromise,
+            .WillOnce([&](const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                           const renderengine::DisplaySettings&,
                           const std::vector<renderengine::LayerSettings>&,
                           const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                          base::unique_fd&&) -> void {
-                resultPromise->set_value({NO_ERROR, base::unique_fd()});
-            });
+                          base::unique_fd&&) { resultPromise->set_value(Fence::NO_FENCE); });
 
-    std::future<renderengine::RenderEngineResult> result =
+    ftl::Future<FenceResult> future =
             mThreadedRE->drawLayers(settings, layers, buffer, false, std::move(bufferFence));
-    ASSERT_TRUE(result.valid());
-    auto [status, _] = result.get();
-    ASSERT_EQ(NO_ERROR, status);
+    ASSERT_TRUE(future.valid());
+    auto result = future.get();
+    ASSERT_TRUE(result.ok());
 }
 
 } // namespace android
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 203bb54..b41e843 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -313,21 +313,21 @@
 }
 
 void RenderEngineThreaded::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+        const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
-    resultPromise->set_value({NO_ERROR, base::unique_fd()});
+    resultPromise->set_value(Fence::NO_FENCE);
     return;
 }
 
-std::future<RenderEngineResult> RenderEngineThreaded::drawLayers(
+ftl::Future<FenceResult> RenderEngineThreaded::drawLayers(
         const DisplaySettings& display, const std::vector<LayerSettings>& layers,
         const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
         base::unique_fd&& bufferFence) {
     ATRACE_CALL();
-    const auto resultPromise = std::make_shared<std::promise<RenderEngineResult>>();
-    std::future<RenderEngineResult> resultFuture = resultPromise->get_future();
+    const auto resultPromise = std::make_shared<std::promise<FenceResult>>();
+    std::future<FenceResult> resultFuture = resultPromise->get_future();
     int fd = bufferFence.release();
     {
         std::lock_guard lock(mThreadMutex);
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 1340902..bf2ebea 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -56,11 +56,11 @@
     void useProtectedContext(bool useProtectedContext) override;
     void cleanupPostRender() override;
 
-    std::future<RenderEngineResult> drawLayers(const DisplaySettings& display,
-                                               const std::vector<LayerSettings>& layers,
-                                               const std::shared_ptr<ExternalTexture>& buffer,
-                                               const bool useFramebufferCache,
-                                               base::unique_fd&& bufferFence) override;
+    ftl::Future<FenceResult> drawLayers(const DisplaySettings& display,
+                                        const std::vector<LayerSettings>& layers,
+                                        const std::shared_ptr<ExternalTexture>& buffer,
+                                        const bool useFramebufferCache,
+                                        base::unique_fd&& bufferFence) override;
 
     void cleanFramebufferCache() override;
     int getContextPriority() override;
@@ -73,7 +73,7 @@
     void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;
     void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
     bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+    void drawLayersInternal(const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
                             const DisplaySettings& display,
                             const std::vector<LayerSettings>& layers,
                             const std::shared_ptr<ExternalTexture>& buffer,
diff --git a/libs/sensor/ISensorServer.cpp b/libs/sensor/ISensorServer.cpp
index a6cacad..78f692b 100644
--- a/libs/sensor/ISensorServer.cpp
+++ b/libs/sensor/ISensorServer.cpp
@@ -22,12 +22,12 @@
 #include <cutils/native_handle.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
-#include <utils/Vector.h>
 #include <utils/Timers.h>
+#include <utils/Vector.h>
 
-#include <binder/Parcel.h>
 #include <binder/IInterface.h>
 #include <binder/IResultReceiver.h>
+#include <binder/Parcel.h>
 
 #include <sensor/Sensor.h>
 #include <sensor/ISensorEventConnection.h>
@@ -205,9 +205,10 @@
             if (resource == nullptr) {
                 return BAD_VALUE;
             }
+            native_handle_set_fdsan_tag(resource);
             sp<ISensorEventConnection> ch =
                     createSensorDirectConnection(opPackageName, size, type, format, resource);
-            native_handle_close(resource);
+            native_handle_close_with_tag(resource);
             native_handle_delete(resource);
             reply->writeStrongBinder(IInterface::asBinder(ch));
             return NO_ERROR;
diff --git a/libs/shaders/Android.bp b/libs/shaders/Android.bp
index 6b936de..960f845 100644
--- a/libs/shaders/Android.bp
+++ b/libs/shaders/Android.bp
@@ -23,13 +23,14 @@
 
 cc_library_static {
     name: "libshaders",
-
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     export_include_dirs: ["include"],
     local_include_dirs: ["include"],
 
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.graphics.common@1.2",
         "libnativewindow",
     ],
diff --git a/libs/shaders/tests/Android.bp b/libs/shaders/tests/Android.bp
index cf671bc..1e4f45a 100644
--- a/libs/shaders/tests/Android.bp
+++ b/libs/shaders/tests/Android.bp
@@ -23,6 +23,10 @@
 
 cc_test {
     name: "libshaders_test",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "shaders_test.cpp",
@@ -31,8 +35,6 @@
         "libtonemap_headers",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.graphics.common@1.2",
         "libnativewindow",
     ],
diff --git a/libs/tonemap/Android.bp b/libs/tonemap/Android.bp
index 37c9824..8c8815d 100644
--- a/libs/tonemap/Android.bp
+++ b/libs/tonemap/Android.bp
@@ -23,13 +23,15 @@
 
 cc_library_static {
     name: "libtonemap",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     vendor_available: true,
 
     local_include_dirs: ["include"],
 
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "liblog",
         "libnativewindow",
     ],
diff --git a/libs/tonemap/tests/Android.bp b/libs/tonemap/tests/Android.bp
index 58851b4..2abf515 100644
--- a/libs/tonemap/tests/Android.bp
+++ b/libs/tonemap/tests/Android.bp
@@ -23,6 +23,10 @@
 
 cc_test {
     name: "libtonemap_test",
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "android.hardware.graphics.composer3-ndk_shared",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "tonemap_test.cpp",
@@ -31,8 +35,6 @@
         "libtonemap_headers",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
-        "android.hardware.graphics.composer3-V1-ndk",
         "libnativewindow",
     ],
     static_libs: [
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 0f771a9..d33dd34 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -127,7 +127,6 @@
         "DebugUtils.cpp",
         "DeviceProductInfo.cpp",
         "DisplayIdentification.cpp",
-        "DisplayMode.cpp",
         "DynamicDisplayInfo.cpp",
         "Fence.cpp",
         "FenceTime.cpp",
@@ -139,11 +138,9 @@
         "GraphicBuffer.cpp",
         "GraphicBufferAllocator.cpp",
         "GraphicBufferMapper.cpp",
-        "HdrCapabilities.cpp",
         "PixelFormat.cpp",
         "PublicFormat.cpp",
         "StaticAsserts.cpp",
-        "StaticDisplayInfo.cpp",
     ],
 
     include_dirs: [
@@ -155,6 +152,8 @@
     ],
 
     defaults: [
+        "android.hardware.graphics.allocator-ndk_shared",
+        "android.hardware.graphics.common-ndk_shared",
         "libui-defaults",
         // Uncomment the following line to enable VALIDATE_REGIONS traces
         //defaults: ["libui-validate-regions-defaults"],
@@ -164,8 +163,6 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.allocator@3.0",
         "android.hardware.graphics.allocator@4.0",
-        "android.hardware.graphics.allocator-V1-ndk",
-        "android.hardware.graphics.common-V3-ndk",
         "android.hardware.graphics.common@1.2",
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@2.1",
@@ -183,7 +180,6 @@
 
     export_shared_lib_headers: [
         "android.hardware.graphics.common@1.2",
-        "android.hardware.graphics.common-V3-ndk",
         "android.hardware.graphics.mapper@4.0",
         "libgralloctypes",
     ],
@@ -241,10 +237,6 @@
     ],
 
     afdo: true,
-
-    header_abi_checker: {
-        diff_flags: ["-allow-adding-removing-weak-symbols"],
-    },
 }
 
 cc_library_headers {
diff --git a/libs/ui/DeviceProductInfo.cpp b/libs/ui/DeviceProductInfo.cpp
index 04d9d3c..6ae27de 100644
--- a/libs/ui/DeviceProductInfo.cpp
+++ b/libs/ui/DeviceProductInfo.cpp
@@ -14,74 +14,43 @@
  * limitations under the License.
  */
 
+#include <ftl/match.h>
 #include <ui/DeviceProductInfo.h>
 
 #include <android-base/stringprintf.h>
-#include <ui/FlattenableHelpers.h>
-#include <utils/Log.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
 
 namespace android {
 
-using base::StringAppendF;
+std::string to_string(const DeviceProductInfo& info) {
+    using base::StringAppendF;
 
-size_t DeviceProductInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(name) +
-            FlattenableHelpers::getFlattenedSize(manufacturerPnpId) +
-            FlattenableHelpers::getFlattenedSize(productId) +
-            FlattenableHelpers::getFlattenedSize(manufactureOrModelDate) +
-            FlattenableHelpers::getFlattenedSize(relativeAddress);
-}
+    std::string result;
+    StringAppendF(&result, "{name=\"%s\", ", info.name.c_str());
+    StringAppendF(&result, "manufacturerPnpId=%s, ", info.manufacturerPnpId.data());
+    StringAppendF(&result, "productId=%s, ", info.productId.c_str());
 
-status_t DeviceProductInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, name));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, manufacturerPnpId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, productId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, manufactureOrModelDate));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, relativeAddress));
-    return OK;
-}
-
-status_t DeviceProductInfo::unflatten(void const* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &name));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &manufacturerPnpId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &productId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &manufactureOrModelDate));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &relativeAddress));
-    return OK;
-}
-
-void DeviceProductInfo::dump(std::string& result) const {
-    StringAppendF(&result, "{name=\"%s\", ", name.c_str());
-    StringAppendF(&result, "manufacturerPnpId=%s, ", manufacturerPnpId.data());
-    StringAppendF(&result, "productId=%s, ", productId.c_str());
-
-    if (const auto* model = std::get_if<ModelYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "modelYear=%u, ", model->year);
-    } else if (const auto* manufactureWeekAndYear =
-                       std::get_if<ManufactureWeekAndYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "manufactureWeek=%u, ", manufactureWeekAndYear->week);
-        StringAppendF(&result, "manufactureYear=%d, ", manufactureWeekAndYear->year);
-    } else if (const auto* manufactureYear =
-                       std::get_if<ManufactureYear>(&manufactureOrModelDate)) {
-        StringAppendF(&result, "manufactureYear=%d, ", manufactureYear->year);
-    } else {
-        ALOGE("Unknown alternative for variant DeviceProductInfo::ManufactureOrModelDate");
-    }
+    ftl::match(
+            info.manufactureOrModelDate,
+            [&](DeviceProductInfo::ModelYear model) {
+                StringAppendF(&result, "modelYear=%u, ", model.year);
+            },
+            [&](DeviceProductInfo::ManufactureWeekAndYear manufacture) {
+                StringAppendF(&result, "manufactureWeek=%u, ", manufacture.week);
+                StringAppendF(&result, "manufactureYear=%d, ", manufacture.year);
+            },
+            [&](DeviceProductInfo::ManufactureYear manufacture) {
+                StringAppendF(&result, "manufactureYear=%d, ", manufacture.year);
+            });
 
     result.append("relativeAddress=[");
-    for (size_t i = 0; i < relativeAddress.size(); i++) {
+    for (size_t i = 0; i < info.relativeAddress.size(); i++) {
         if (i != 0) {
             result.append(", ");
         }
-        StringAppendF(&result, "%u", relativeAddress[i]);
+        StringAppendF(&result, "%u", info.relativeAddress[i]);
     }
     result.append("]}");
+    return result;
 }
 
 } // namespace android
diff --git a/libs/ui/DisplayMode.cpp b/libs/ui/DisplayMode.cpp
deleted file mode 100644
index cf05dbf..0000000
--- a/libs/ui/DisplayMode.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/DisplayMode.h>
-
-#include <cstdint>
-
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
-namespace android::ui {
-
-size_t DisplayMode::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(id) +
-            FlattenableHelpers::getFlattenedSize(resolution) +
-            FlattenableHelpers::getFlattenedSize(xDpi) +
-            FlattenableHelpers::getFlattenedSize(yDpi) +
-            FlattenableHelpers::getFlattenedSize(refreshRate) +
-            FlattenableHelpers::getFlattenedSize(appVsyncOffset) +
-            FlattenableHelpers::getFlattenedSize(sfVsyncOffset) +
-            FlattenableHelpers::getFlattenedSize(presentationDeadline) +
-            FlattenableHelpers::getFlattenedSize(group);
-}
-
-status_t DisplayMode::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, id));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, resolution));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, xDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, yDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, refreshRate));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, appVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, sfVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, presentationDeadline));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, group));
-    return OK;
-}
-
-status_t DisplayMode::unflatten(const void* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &id));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &resolution));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &xDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &yDpi));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &refreshRate));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &appVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &sfVsyncOffset));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &presentationDeadline));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &group));
-    return OK;
-}
-
-} // namespace android::ui
diff --git a/libs/ui/DynamicDisplayInfo.cpp b/libs/ui/DynamicDisplayInfo.cpp
index 78ba996..f5feea9 100644
--- a/libs/ui/DynamicDisplayInfo.cpp
+++ b/libs/ui/DynamicDisplayInfo.cpp
@@ -18,11 +18,6 @@
 
 #include <cstdint>
 
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
 namespace android::ui {
 
 std::optional<ui::DisplayMode> DynamicDisplayInfo::getActiveDisplayMode() const {
@@ -34,42 +29,4 @@
     return {};
 }
 
-size_t DynamicDisplayInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(supportedDisplayModes) +
-            FlattenableHelpers::getFlattenedSize(activeDisplayModeId) +
-            FlattenableHelpers::getFlattenedSize(supportedColorModes) +
-            FlattenableHelpers::getFlattenedSize(activeColorMode) +
-            FlattenableHelpers::getFlattenedSize(hdrCapabilities) +
-            FlattenableHelpers::getFlattenedSize(autoLowLatencyModeSupported) +
-            FlattenableHelpers::getFlattenedSize(gameContentTypeSupported) +
-            FlattenableHelpers::getFlattenedSize(preferredBootDisplayMode);
-}
-
-status_t DynamicDisplayInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, supportedDisplayModes));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, activeDisplayModeId));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, supportedColorModes));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, activeColorMode));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, hdrCapabilities));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, autoLowLatencyModeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, gameContentTypeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, preferredBootDisplayMode));
-    return OK;
-}
-
-status_t DynamicDisplayInfo::unflatten(const void* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &supportedDisplayModes));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &activeDisplayModeId));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &supportedColorModes));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &activeColorMode));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &hdrCapabilities));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &autoLowLatencyModeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &gameContentTypeSupported));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &preferredBootDisplayMode));
-    return OK;
-}
-
 } // namespace android::ui
diff --git a/libs/ui/HdrCapabilities.cpp b/libs/ui/HdrCapabilities.cpp
deleted file mode 100644
index aec2fac..0000000
--- a/libs/ui/HdrCapabilities.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/HdrCapabilities.h>
-
-namespace android {
-
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wundefined-reinterpret-cast"
-#endif
-
-size_t HdrCapabilities::getFlattenedSize() const {
-    return  sizeof(mMaxLuminance) +
-            sizeof(mMaxAverageLuminance) +
-            sizeof(mMinLuminance) +
-            sizeof(int32_t) +
-            mSupportedHdrTypes.size() * sizeof(ui::Hdr);
-}
-
-status_t HdrCapabilities::flatten(void* buffer, size_t size) const {
-
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    int32_t* const buf = static_cast<int32_t*>(buffer);
-    reinterpret_cast<float&>(buf[0]) = mMaxLuminance;
-    reinterpret_cast<float&>(buf[1]) = mMaxAverageLuminance;
-    reinterpret_cast<float&>(buf[2]) = mMinLuminance;
-    buf[3] = static_cast<int32_t>(mSupportedHdrTypes.size());
-    for (size_t i = 0, c = mSupportedHdrTypes.size(); i < c; ++i) {
-        buf[4 + i] = static_cast<int32_t>(mSupportedHdrTypes[i]);
-    }
-    return NO_ERROR;
-}
-
-status_t HdrCapabilities::unflatten(void const* buffer, size_t size) {
-
-    size_t minSize = sizeof(mMaxLuminance) +
-                     sizeof(mMaxAverageLuminance) +
-                     sizeof(mMinLuminance) +
-                     sizeof(int32_t);
-
-    if (size < minSize) {
-        return NO_MEMORY;
-    }
-
-    int32_t const * const buf = static_cast<int32_t const *>(buffer);
-    const size_t itemCount = size_t(buf[3]);
-
-    // check the buffer is large enough
-    if (size < minSize + itemCount * sizeof(int32_t)) {
-        return BAD_VALUE;
-    }
-
-    mMaxLuminance        = reinterpret_cast<float const&>(buf[0]);
-    mMaxAverageLuminance = reinterpret_cast<float const&>(buf[1]);
-    mMinLuminance        = reinterpret_cast<float const&>(buf[2]);
-    if (itemCount) {
-        mSupportedHdrTypes.resize(itemCount);
-        for (size_t i = 0; i < itemCount; ++i) {
-            mSupportedHdrTypes[i] = static_cast<ui::Hdr>(buf[4 + i]);
-        }
-    }
-    return NO_ERROR;
-}
-
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#endif
-
-} // namespace android
diff --git a/libs/ui/StaticDisplayInfo.cpp b/libs/ui/StaticDisplayInfo.cpp
deleted file mode 100644
index 03d15e4..0000000
--- a/libs/ui/StaticDisplayInfo.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <ui/StaticDisplayInfo.h>
-
-#include <cstdint>
-
-#include <ui/FlattenableHelpers.h>
-
-#define RETURN_IF_ERROR(op) \
-    if (const status_t status = (op); status != OK) return status;
-
-namespace android::ui {
-
-size_t StaticDisplayInfo::getFlattenedSize() const {
-    return FlattenableHelpers::getFlattenedSize(connectionType) +
-            FlattenableHelpers::getFlattenedSize(density) +
-            FlattenableHelpers::getFlattenedSize(secure) +
-            FlattenableHelpers::getFlattenedSize(deviceProductInfo) +
-            FlattenableHelpers::getFlattenedSize(installOrientation);
-}
-
-status_t StaticDisplayInfo::flatten(void* buffer, size_t size) const {
-    if (size < getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, connectionType));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, density));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, secure));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, deviceProductInfo));
-    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, installOrientation));
-    return OK;
-}
-
-status_t StaticDisplayInfo::unflatten(void const* buffer, size_t size) {
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &connectionType));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &density));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &secure));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &deviceProductInfo));
-    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &installOrientation));
-    return OK;
-}
-
-} // namespace android::ui
diff --git a/libs/ui/include/ui/ColorMode.h b/libs/ui/include/ui/ColorMode.h
new file mode 100644
index 0000000..a47eaed
--- /dev/null
+++ b/libs/ui/include/ui/ColorMode.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include <ui/GraphicTypes.h>
+
+namespace android::ui {
+
+using ColorModes = std::vector<ColorMode>;
+
+inline bool isWideColorMode(ColorMode colorMode) {
+    switch (colorMode) {
+        case ColorMode::DISPLAY_P3:
+        case ColorMode::ADOBE_RGB:
+        case ColorMode::DCI_P3:
+        case ColorMode::BT2020:
+        case ColorMode::DISPLAY_BT2020:
+        case ColorMode::BT2100_PQ:
+        case ColorMode::BT2100_HLG:
+            return true;
+        case ColorMode::NATIVE:
+        case ColorMode::STANDARD_BT601_625:
+        case ColorMode::STANDARD_BT601_625_UNADJUSTED:
+        case ColorMode::STANDARD_BT601_525:
+        case ColorMode::STANDARD_BT601_525_UNADJUSTED:
+        case ColorMode::STANDARD_BT709:
+        case ColorMode::SRGB:
+            return false;
+    }
+}
+
+inline Dataspace pickDataspaceFor(ColorMode colorMode) {
+    switch (colorMode) {
+        case ColorMode::DISPLAY_P3:
+        case ColorMode::BT2100_PQ:
+        case ColorMode::BT2100_HLG:
+        case ColorMode::DISPLAY_BT2020:
+            return Dataspace::DISPLAY_P3;
+        default:
+            return Dataspace::V0_SRGB;
+    }
+}
+
+} // namespace android::ui
diff --git a/libs/ui/include/ui/DeviceProductInfo.h b/libs/ui/include/ui/DeviceProductInfo.h
index 807a5d9..4229cf1 100644
--- a/libs/ui/include/ui/DeviceProductInfo.h
+++ b/libs/ui/include/ui/DeviceProductInfo.h
@@ -24,8 +24,6 @@
 #include <variant>
 #include <vector>
 
-#include <utils/Flattenable.h>
-
 namespace android {
 
 // NUL-terminated plug and play ID.
@@ -34,7 +32,7 @@
 // Product-specific information about the display or the directly connected device on the
 // display chain. For example, if the display is transitively connected, this field may contain
 // product information about the intermediate device.
-struct DeviceProductInfo : LightFlattenable<DeviceProductInfo> {
+struct DeviceProductInfo {
     struct ModelYear {
         uint32_t year;
     };
@@ -63,13 +61,8 @@
     // address is unavailable.
     // For example, for HDMI connected device this will be the physical address.
     std::vector<uint8_t> relativeAddress;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
-
-    void dump(std::string& result) const;
 };
 
+std::string to_string(const DeviceProductInfo&);
+
 } // namespace android
diff --git a/libs/ui/include/ui/DisplayId.h b/libs/ui/include/ui/DisplayId.h
index 9120972..d0c03fe 100644
--- a/libs/ui/include/ui/DisplayId.h
+++ b/libs/ui/include/ui/DisplayId.h
@@ -17,9 +17,10 @@
 #pragma once
 
 #include <cstdint>
-#include <optional>
 #include <string>
 
+#include <ftl/optional.h>
+
 namespace android {
 
 // ID of a physical or a virtual display. This class acts as a type safe wrapper around uint64_t.
@@ -68,7 +69,7 @@
 
 // DisplayId of a physical display, such as the internal display or externally connected display.
 struct PhysicalDisplayId : DisplayId {
-    static constexpr std::optional<PhysicalDisplayId> tryCast(DisplayId id) {
+    static constexpr ftl::Optional<PhysicalDisplayId> tryCast(DisplayId id) {
         if (id.value & FLAG_VIRTUAL) {
             return std::nullopt;
         }
diff --git a/libs/ui/include/ui/DisplayMode.h b/libs/ui/include/ui/DisplayMode.h
index 56f68e7..a2791a6 100644
--- a/libs/ui/include/ui/DisplayMode.h
+++ b/libs/ui/include/ui/DisplayMode.h
@@ -29,7 +29,7 @@
 using DisplayModeId = int32_t;
 
 // Mode supported by physical display.
-struct DisplayMode : LightFlattenable<DisplayMode> {
+struct DisplayMode {
     DisplayModeId id;
     ui::Size resolution;
     float xDpi = 0;
@@ -40,11 +40,6 @@
     nsecs_t sfVsyncOffset = 0;
     nsecs_t presentationDeadline = 0;
     int32_t group = -1;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(const void* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/libs/ui/include/ui/DynamicDisplayInfo.h b/libs/ui/include/ui/DynamicDisplayInfo.h
index ce75a65..8c9fe4c 100644
--- a/libs/ui/include/ui/DynamicDisplayInfo.h
+++ b/libs/ui/include/ui/DynamicDisplayInfo.h
@@ -24,12 +24,11 @@
 
 #include <ui/GraphicTypes.h>
 #include <ui/HdrCapabilities.h>
-#include <utils/Flattenable.h>
 
 namespace android::ui {
 
 // Information about a physical display which may change on hotplug reconnect.
-struct DynamicDisplayInfo : LightFlattenable<DynamicDisplayInfo> {
+struct DynamicDisplayInfo {
     std::vector<ui::DisplayMode> supportedDisplayModes;
 
     // This struct is going to be serialized over binder, so
@@ -53,11 +52,6 @@
     ui::DisplayModeId preferredBootDisplayMode;
 
     std::optional<ui::DisplayMode> getActiveDisplayMode() const;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(const void* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/FenceResult.h b/libs/ui/include/ui/FenceResult.h
similarity index 60%
rename from services/surfaceflinger/CompositionEngine/include/compositionengine/FenceResult.h
rename to libs/ui/include/ui/FenceResult.h
index 0ce263b..6d63fc9 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/FenceResult.h
+++ b/libs/ui/include/ui/FenceResult.h
@@ -20,30 +20,14 @@
 #include <utils/Errors.h>
 #include <utils/StrongPointer.h>
 
-// TODO(b/232535621): Pull this file to <ui/FenceResult.h> so that RenderEngine::drawLayers returns
-// FenceResult rather than RenderEngineResult.
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-#include <renderengine/RenderEngine.h>
-#pragma clang diagnostic pop
-
 namespace android {
 
 class Fence;
 
 using FenceResult = base::expected<sp<Fence>, status_t>;
 
-// TODO(b/232535621): Prevent base::unexpected(NO_ERROR) from being a valid FenceResult.
 inline status_t fenceStatus(const FenceResult& fenceResult) {
     return fenceResult.ok() ? NO_ERROR : fenceResult.error();
 }
 
-inline FenceResult toFenceResult(renderengine::RenderEngineResult&& result) {
-    if (auto [status, fence] = std::move(result); fence.ok()) {
-        return sp<Fence>::make(std::move(fence));
-    } else {
-        return base::unexpected(status);
-    }
-}
-
 } // namespace android
diff --git a/libs/ui/include/ui/GraphicBuffer.h b/libs/ui/include/ui/GraphicBuffer.h
index 57be686..dbe475b 100644
--- a/libs/ui/include/ui/GraphicBuffer.h
+++ b/libs/ui/include/ui/GraphicBuffer.h
@@ -270,7 +270,7 @@
 
     // Send a callback when a GraphicBuffer dies.
     //
-    // This is used for BufferStateLayer caching. GraphicBuffers are refcounted per process. When
+    // This is used for layer caching. GraphicBuffers are refcounted per process. When
     // A GraphicBuffer doesn't have any more sp<> in a process, it is destroyed. This causes
     // problems when trying to implicitcly cache across process boundaries. Ideally, both sides
     // of the cache would hold onto wp<> references. When an app dropped its sp<>, the GraphicBuffer
diff --git a/libs/ui/include/ui/HdrCapabilities.h b/libs/ui/include/ui/HdrCapabilities.h
index 813adde..ae54223 100644
--- a/libs/ui/include/ui/HdrCapabilities.h
+++ b/libs/ui/include/ui/HdrCapabilities.h
@@ -22,12 +22,10 @@
 #include <vector>
 
 #include <ui/GraphicTypes.h>
-#include <utils/Flattenable.h>
 
 namespace android {
 
-class HdrCapabilities : public LightFlattenable<HdrCapabilities>
-{
+class HdrCapabilities {
 public:
     HdrCapabilities(const std::vector<ui::Hdr>& types,
             float maxLuminance, float maxAverageLuminance, float minLuminance)
@@ -49,12 +47,6 @@
     float getDesiredMaxAverageLuminance() const { return mMaxAverageLuminance; }
     float getDesiredMinLuminance() const { return mMinLuminance; }
 
-    // Flattenable protocol
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
-
 private:
     std::vector<ui::Hdr> mSupportedHdrTypes;
     float mMaxLuminance;
diff --git a/libs/ui/include/ui/StaticDisplayInfo.h b/libs/ui/include/ui/StaticDisplayInfo.h
index cc7c869..83da821 100644
--- a/libs/ui/include/ui/StaticDisplayInfo.h
+++ b/libs/ui/include/ui/StaticDisplayInfo.h
@@ -20,24 +20,18 @@
 
 #include <ui/DeviceProductInfo.h>
 #include <ui/Rotation.h>
-#include <utils/Flattenable.h>
 
 namespace android::ui {
 
-enum class DisplayConnectionType { Internal, External };
+enum class DisplayConnectionType { Internal, External, ftl_last = External };
 
 // Immutable information about physical display.
-struct StaticDisplayInfo : LightFlattenable<StaticDisplayInfo> {
+struct StaticDisplayInfo {
     DisplayConnectionType connectionType = DisplayConnectionType::Internal;
     float density = 0.f;
     bool secure = false;
     std::optional<DeviceProductInfo> deviceProductInfo;
     Rotation installOrientation = ROTATION_0;
-
-    bool isFixedSize() const { return false; }
-    size_t getFlattenedSize() const;
-    status_t flatten(void* buffer, size_t size) const;
-    status_t unflatten(void const* buffer, size_t size);
 };
 
 } // namespace android::ui
diff --git a/opengl/libs/EGL/Loader.cpp b/opengl/libs/EGL/Loader.cpp
index 76fd7f0..dd14bcf 100644
--- a/opengl/libs/EGL/Loader.cpp
+++ b/opengl/libs/EGL/Loader.cpp
@@ -207,7 +207,8 @@
     ATRACE_CALL();
     const nsecs_t openTime = systemTime();
 
-    if (should_unload_system_driver(cnx)) {
+    if (!android::GraphicsEnv::getInstance().angleIsSystemDriver() &&
+        should_unload_system_driver(cnx)) {
         unload_system_driver(cnx);
     }
 
@@ -216,8 +217,13 @@
         return cnx->dso;
     }
 
-    // Firstly, try to load ANGLE driver.
-    driver_t* hnd = attempt_to_load_angle(cnx);
+    // Firstly, try to load ANGLE driver, unless we know that we shouldn't.
+    bool shouldForceLegacyDriver = android::GraphicsEnv::getInstance().shouldForceLegacyDriver();
+    driver_t* hnd = nullptr;
+    if (!shouldForceLegacyDriver) {
+        hnd = attempt_to_load_angle(cnx);
+    }
+
     if (!hnd) {
         // Secondly, try to load from driver apk.
         hnd = attempt_to_load_updated_driver(cnx);
@@ -230,21 +236,29 @@
             LOG_ALWAYS_FATAL("couldn't find an OpenGL ES implementation from %s",
                              android::GraphicsEnv::getInstance().getDriverPath().c_str());
         }
-        // Finally, try to load system driver, start by searching for the library name appended by
-        // the system properties of the GLES userspace driver in both locations.
-        // i.e.:
-        //      libGLES_${prop}.so, or:
-        //      libEGL_${prop}.so, libGLESv1_CM_${prop}.so, libGLESv2_${prop}.so
-        for (auto key : HAL_SUBNAME_KEY_PROPERTIES) {
-            auto prop = base::GetProperty(key, "");
-            if (prop.empty()) {
-                continue;
-            }
-            hnd = attempt_to_load_system_driver(cnx, prop.c_str(), true);
-            if (hnd) {
-                break;
-            } else if (strcmp(key, DRIVER_SUFFIX_PROPERTY) == 0) {
-                failToLoadFromDriverSuffixProperty = true;
+        // Finally, try to load system driver.  If ANGLE is the system driver
+        // (i.e. we are forcing the legacy system driver instead of ANGLE), use
+        // the driver suffix that was passed down from above.
+        if (shouldForceLegacyDriver) {
+            std::string suffix = android::GraphicsEnv::getInstance().getLegacySuffix();
+            hnd = attempt_to_load_system_driver(cnx, suffix.c_str(), true);
+        } else {
+            // Start by searching for the library name appended by the system
+            // properties of the GLES userspace driver in both locations.
+            // i.e.:
+            //      libGLES_${prop}.so, or:
+            //      libEGL_${prop}.so, libGLESv1_CM_${prop}.so, libGLESv2_${prop}.so
+            for (auto key : HAL_SUBNAME_KEY_PROPERTIES) {
+                auto prop = base::GetProperty(key, "");
+                if (prop.empty()) {
+                    continue;
+                }
+                hnd = attempt_to_load_system_driver(cnx, prop.c_str(), true);
+                if (hnd) {
+                    break;
+                } else if (strcmp(key, DRIVER_SUFFIX_PROPERTY) == 0) {
+                    failToLoadFromDriverSuffixProperty = true;
+                }
             }
         }
     }
diff --git a/opengl/libs/EGL/egl_angle_platform.cpp b/opengl/libs/EGL/egl_angle_platform.cpp
index d38f2ef..f1122fd 100644
--- a/opengl/libs/EGL/egl_angle_platform.cpp
+++ b/opengl/libs/EGL/egl_angle_platform.cpp
@@ -68,9 +68,9 @@
 
 static TraceEventHandle addTraceEvent(
         PlatformMethods* /**platform*/, char phase, const unsigned char* /*category_group_enabled*/,
-        const char* name, unsigned long long /*id*/, double /*timestamp*/, int /*num_args*/,
-        const char** /*arg_names*/, const unsigned char* /*arg_types*/,
-        const unsigned long long* /*arg_values*/, unsigned char /*flags*/) {
+        const char* name, unsigned long long /*id*/, double /*timestamp*/, int num_args,
+        const char** arg_names, const unsigned char* /*arg_types*/,
+        const unsigned long long* arg_values, unsigned char /*flags*/) {
     switch (phase) {
         case 'B': {
             ATRACE_BEGIN(name);
@@ -84,6 +84,13 @@
             ATRACE_NAME(name);
             break;
         }
+       case 'C': {
+             for(int i=0; i<num_args ; i++)
+             {
+                 ATRACE_INT(arg_names[i],arg_values[i]);
+             }
+             break;
+        }
         default:
             // Could handle other event types here
             break;
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index efa67db..8348d6c 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -28,7 +28,7 @@
 // Cache size limits.
 static const size_t maxKeySize = 12 * 1024;
 static const size_t maxValueSize = 64 * 1024;
-static const size_t maxTotalSize = 2 * 1024 * 1024;
+static const size_t maxTotalSize = 32 * 1024 * 1024;
 
 // The time in seconds to wait before saving newly inserted cache entries.
 static const unsigned int deferredSaveDelay = 4;
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp
index ae1bb1a..3ef5049 100644
--- a/services/audiomanager/IAudioManager.cpp
+++ b/services/audiomanager/IAudioManager.cpp
@@ -87,12 +87,12 @@
     }
 
     virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event,
-            audio_port_handle_t deviceId) {
+            audio_port_handle_t eventId) {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
         data.writeInt32((int32_t) piid);
         data.writeInt32((int32_t) event);
-        data.writeInt32((int32_t) deviceId);
+        data.writeInt32((int32_t) eventId);
         return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
@@ -141,6 +141,17 @@
         data.writeInt32((int32_t) sessionId);
         return remote()->transact(PLAYER_SESSION_ID, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual status_t portEvent(audio_port_handle_t portId, player_state_t event,
+            const std::unique_ptr<os::PersistableBundle>& extras) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32((int32_t) portId);
+        data.writeInt32((int32_t) event);
+        // TODO: replace PersistableBundle with own struct
+        data.writeNullableParcelable(extras);
+        return remote()->transact(PORT_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService");
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 18d670a..ddcd51f 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -38,6 +38,7 @@
         "-Wshadow",
         "-Wshadow-field-in-constructor-modified",
         "-Wshadow-uncaptured-local",
+        "-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
     ],
     sanitize: {
         misc_undefined: ["bounds"],
@@ -56,7 +57,7 @@
 filegroup {
     name: "libinputflinger_sources",
     srcs: [
-        "InputClassifier.cpp",
+        "InputProcessor.cpp",
         "InputCommonConverter.cpp",
         "PreferStylusOverTouchBlocker.cpp",
         "UnwantedInteractionBlocker.cpp",
@@ -84,12 +85,12 @@
         "libstatspull",
         "libstatssocket",
         "libutils",
-        "libui",
         "server_configurable_flags",
     ],
     static_libs: [
         "libattestation",
         "libpalmrejection",
+        "libui-types",
     ],
 }
 
@@ -138,6 +139,7 @@
         "InputListener.cpp",
         "InputReaderBase.cpp",
         "InputThread.cpp",
+        "NotifyArgs.cpp",
         "VibrationElement.cpp",
     ],
 }
@@ -151,7 +153,6 @@
         "libcutils",
         "libinput",
         "liblog",
-        "libui",
         "libutils",
     ],
     header_libs: [
@@ -169,3 +170,48 @@
         "libinputflinger_headers",
     ],
 }
+
+// This target will build everything 'input-related'. This could be useful for
+// large refactorings of the input code. This is similar to 'm checkbuild', but
+// just for input code.
+// Use 'm checkinput' to build, and then (optionally) use 'm installclean' to
+// remove any of the installed artifacts that you may not want on your actual
+// build.
+phony {
+    name: "checkinput",
+    required: [
+        // native targets
+        "libinput",
+        "libinputflinger",
+        "inputflinger_tests",
+        "inputflinger_benchmarks",
+        "libinput_tests",
+        "libpalmrejection_test",
+        "libandroid_runtime",
+        "libinputservice_test",
+        "Bug-115739809",
+        "StructLayout_test",
+
+        // native fuzzers
+        "inputflinger_latencytracker_fuzzer",
+        "inputflinger_cursor_input_fuzzer",
+        "inputflinger_keyboard_input_fuzzer",
+        "inputflinger_multitouch_input_fuzzer",
+        "inputflinger_switch_input_fuzzer",
+        "inputflinger_input_reader_fuzzer",
+        "inputflinger_blocking_queue_fuzzer",
+        "inputflinger_input_classifier_fuzzer",
+
+        // Java/Kotlin targets
+        "CtsWindowManagerDeviceTestCases",
+        "InputTests",
+        "CtsHardwareTestCases",
+        "CtsInputTestCases",
+        "CtsViewTestCases",
+        "CtsWidgetTestCases",
+        "FrameworksCoreTests",
+        "FrameworksServicesTests",
+        "CtsSecurityTestCases",
+        "CtsSecurityBulletinHostTestCases",
+    ],
+}
diff --git a/services/inputflinger/BlockingQueue.h b/services/inputflinger/BlockingQueue.h
index 8300e8a..fe37287 100644
--- a/services/inputflinger/BlockingQueue.h
+++ b/services/inputflinger/BlockingQueue.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_BLOCKING_QUEUE_H
-#define _UI_INPUT_BLOCKING_QUEUE_H
+#pragma once
 
 #include "android-base/thread_annotations.h"
 #include <condition_variable>
@@ -106,6 +105,4 @@
     std::vector<T> mQueue GUARDED_BY(mLock);
 };
 
-
 } // namespace android
-#endif
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index dce327e..d33b298 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -31,308 +31,34 @@
 
 namespace android {
 
-// --- NotifyConfigurationChangedArgs ---
-
-NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime)
-      : NotifyArgs(id, eventTime) {}
-
-NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
-        const NotifyConfigurationChangedArgs& other)
-      : NotifyArgs(other.id, other.eventTime) {}
-
-bool NotifyConfigurationChangedArgs::operator==(const NotifyConfigurationChangedArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime;
+std::list<NotifyArgs>& operator+=(std::list<NotifyArgs>& keep, std::list<NotifyArgs>&& consume) {
+    keep.splice(keep.end(), consume);
+    return keep;
 }
 
-void NotifyConfigurationChangedArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyConfigurationChanged(this);
-}
+// --- InputListenerInterface ---
 
-// --- NotifyKeyArgs ---
+// Helper to std::visit with lambdas.
+template <typename... V>
+struct Visitor : V... {};
+// explicit deduction guide (not needed as of C++20)
+template <typename... V>
+Visitor(V...) -> Visitor<V...>;
 
-NotifyKeyArgs::NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                             uint32_t source, int32_t displayId, uint32_t policyFlags,
-                             int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
-                             int32_t metaState, nsecs_t downTime)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        displayId(displayId),
-        policyFlags(policyFlags),
-        action(action),
-        flags(flags),
-        keyCode(keyCode),
-        scanCode(scanCode),
-        metaState(metaState),
-        downTime(downTime),
-        readTime(readTime) {}
-
-NotifyKeyArgs::NotifyKeyArgs(const NotifyKeyArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        displayId(other.displayId),
-        policyFlags(other.policyFlags),
-        action(other.action),
-        flags(other.flags),
-        keyCode(other.keyCode),
-        scanCode(other.scanCode),
-        metaState(other.metaState),
-        downTime(other.downTime),
-        readTime(other.readTime) {}
-
-bool NotifyKeyArgs::operator==(const NotifyKeyArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
-            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
-            policyFlags == rhs.policyFlags && action == rhs.action && flags == rhs.flags &&
-            keyCode == rhs.keyCode && scanCode == rhs.scanCode && metaState == rhs.metaState &&
-            downTime == rhs.downTime;
-}
-
-void NotifyKeyArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyKey(this);
-}
-
-// --- NotifyMotionArgs ---
-
-NotifyMotionArgs::NotifyMotionArgs(
-        int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId, uint32_t source,
-        int32_t displayId, uint32_t policyFlags, int32_t action, int32_t actionButton,
-        int32_t flags, int32_t metaState, int32_t buttonState, MotionClassification classification,
-        int32_t edgeFlags, uint32_t pointerCount, const PointerProperties* pointerProperties,
-        const PointerCoords* pointerCoords, float xPrecision, float yPrecision,
-        float xCursorPosition, float yCursorPosition, nsecs_t downTime,
-        const std::vector<TouchVideoFrame>& videoFrames)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        displayId(displayId),
-        policyFlags(policyFlags),
-        action(action),
-        actionButton(actionButton),
-        flags(flags),
-        metaState(metaState),
-        buttonState(buttonState),
-        classification(classification),
-        edgeFlags(edgeFlags),
-        pointerCount(pointerCount),
-        xPrecision(xPrecision),
-        yPrecision(yPrecision),
-        xCursorPosition(xCursorPosition),
-        yCursorPosition(yCursorPosition),
-        downTime(downTime),
-        readTime(readTime),
-        videoFrames(videoFrames) {
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        this->pointerProperties[i].copyFrom(pointerProperties[i]);
-        this->pointerCoords[i].copyFrom(pointerCoords[i]);
-    }
-}
-
-NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        displayId(other.displayId),
-        policyFlags(other.policyFlags),
-        action(other.action),
-        actionButton(other.actionButton),
-        flags(other.flags),
-        metaState(other.metaState),
-        buttonState(other.buttonState),
-        classification(other.classification),
-        edgeFlags(other.edgeFlags),
-        pointerCount(other.pointerCount),
-        xPrecision(other.xPrecision),
-        yPrecision(other.yPrecision),
-        xCursorPosition(other.xCursorPosition),
-        yCursorPosition(other.yCursorPosition),
-        downTime(other.downTime),
-        readTime(other.readTime),
-        videoFrames(other.videoFrames) {
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        pointerProperties[i].copyFrom(other.pointerProperties[i]);
-        pointerCoords[i].copyFrom(other.pointerCoords[i]);
-    }
-}
-
-static inline bool isCursorPositionEqual(float lhs, float rhs) {
-    return (isnan(lhs) && isnan(rhs)) || lhs == rhs;
-}
-
-bool NotifyMotionArgs::operator==(const NotifyMotionArgs& rhs) const {
-    bool equal = id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
-            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
-            policyFlags == rhs.policyFlags && action == rhs.action &&
-            actionButton == rhs.actionButton && flags == rhs.flags && metaState == rhs.metaState &&
-            buttonState == rhs.buttonState && classification == rhs.classification &&
-            edgeFlags == rhs.edgeFlags &&
-            pointerCount == rhs.pointerCount
-            // PointerProperties and PointerCoords are compared separately below
-            && xPrecision == rhs.xPrecision && yPrecision == rhs.yPrecision &&
-            isCursorPositionEqual(xCursorPosition, rhs.xCursorPosition) &&
-            isCursorPositionEqual(yCursorPosition, rhs.yCursorPosition) &&
-            downTime == rhs.downTime && videoFrames == rhs.videoFrames;
-    if (!equal) {
-        return false;
-    }
-
-    for (size_t i = 0; i < pointerCount; i++) {
-        equal =
-                pointerProperties[i] == rhs.pointerProperties[i]
-                && pointerCoords[i] == rhs.pointerCoords[i];
-        if (!equal) {
-            return false;
-        }
-    }
-    return true;
-}
-
-std::string NotifyMotionArgs::dump() const {
-    std::string coords;
-    for (uint32_t i = 0; i < pointerCount; i++) {
-        if (!coords.empty()) {
-            coords += ", ";
-        }
-        coords += StringPrintf("{%" PRIu32 ": ", i);
-        coords +=
-                StringPrintf("id=%" PRIu32 " x=%.1f y=%.1f pressure=%.1f", pointerProperties[i].id,
-                             pointerCoords[i].getX(), pointerCoords[i].getY(),
-                             pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
-        const int32_t toolType = pointerProperties[i].toolType;
-        if (toolType != AMOTION_EVENT_TOOL_TYPE_FINGER) {
-            coords += StringPrintf(" toolType=%s", motionToolTypeToString(toolType));
-        }
-        const float major = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR);
-        const float minor = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR);
-        const float orientation = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
-        if (major != 0 || minor != 0) {
-            coords += StringPrintf(" major=%.1f minor=%.1f orientation=%.1f", major, minor,
-                                   orientation);
-        }
-        coords += "}";
-    }
-    return StringPrintf("NotifyMotionArgs(id=%" PRId32 ", eventTime=%" PRId64 ", deviceId=%" PRId32
-                        ", source=%s, action=%s, pointerCount=%" PRIu32
-                        " pointers=%s, flags=0x%08x)",
-                        id, eventTime, deviceId, inputEventSourceToString(source).c_str(),
-                        MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str(),
-                        flags);
-}
-
-void NotifyMotionArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyMotion(this);
-}
-
-// --- NotifySwitchArgs ---
-
-NotifySwitchArgs::NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags,
-                                   uint32_t switchValues, uint32_t switchMask)
-      : NotifyArgs(id, eventTime),
-        policyFlags(policyFlags),
-        switchValues(switchValues),
-        switchMask(switchMask) {}
-
-NotifySwitchArgs::NotifySwitchArgs(const NotifySwitchArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        policyFlags(other.policyFlags),
-        switchValues(other.switchValues),
-        switchMask(other.switchMask) {}
-
-bool NotifySwitchArgs::operator==(const NotifySwitchArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && policyFlags == rhs.policyFlags &&
-            switchValues == rhs.switchValues && switchMask == rhs.switchMask;
-}
-
-void NotifySwitchArgs::notify(InputListenerInterface& listener) const {
-    listener.notifySwitch(this);
-}
-
-// --- NotifySensorArgs ---
-
-NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
-                                   InputDeviceSensorType sensorType,
-                                   InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
-                                   nsecs_t hwTimestamp, std::vector<float> values)
-      : NotifyArgs(id, eventTime),
-        deviceId(deviceId),
-        source(source),
-        sensorType(sensorType),
-        accuracy(accuracy),
-        accuracyChanged(accuracyChanged),
-        hwTimestamp(hwTimestamp),
-        values(std::move(values)) {}
-
-NotifySensorArgs::NotifySensorArgs(const NotifySensorArgs& other)
-      : NotifyArgs(other.id, other.eventTime),
-        deviceId(other.deviceId),
-        source(other.source),
-        sensorType(other.sensorType),
-        accuracy(other.accuracy),
-        accuracyChanged(other.accuracyChanged),
-        hwTimestamp(other.hwTimestamp),
-        values(other.values) {}
-
-bool NotifySensorArgs::operator==(const NotifySensorArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && sensorType == rhs.sensorType &&
-            accuracy == rhs.accuracy && accuracyChanged == rhs.accuracyChanged &&
-            hwTimestamp == rhs.hwTimestamp && values == rhs.values;
-}
-
-void NotifySensorArgs::notify(InputListenerInterface& listener) const {
-    listener.notifySensor(this);
-}
-
-// --- NotifyVibratorStateArgs ---
-
-NotifyVibratorStateArgs::NotifyVibratorStateArgs(int32_t id, nsecs_t eventTime, int32_t deviceId,
-                                                 bool isOn)
-      : NotifyArgs(id, eventTime), deviceId(deviceId), isOn(isOn) {}
-
-NotifyVibratorStateArgs::NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other)
-      : NotifyArgs(other.id, other.eventTime), deviceId(other.deviceId), isOn(other.isOn) {}
-
-bool NotifyVibratorStateArgs::operator==(const NotifyVibratorStateArgs rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && deviceId == rhs.deviceId &&
-            isOn == rhs.isOn;
-}
-
-void NotifyVibratorStateArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyVibratorState(this);
-}
-
-// --- NotifyDeviceResetArgs ---
-
-NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
-      : NotifyArgs(id, eventTime), deviceId(deviceId) {}
-
-NotifyDeviceResetArgs::NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other)
-      : NotifyArgs(other.id, other.eventTime), deviceId(other.deviceId) {}
-
-bool NotifyDeviceResetArgs::operator==(const NotifyDeviceResetArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && deviceId == rhs.deviceId;
-}
-
-void NotifyDeviceResetArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyDeviceReset(this);
-}
-
-// --- NotifyPointerCaptureChangedArgs ---
-
-NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
-        int32_t id, nsecs_t eventTime, const PointerCaptureRequest& request)
-      : NotifyArgs(id, eventTime), request(request) {}
-
-NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
-        const NotifyPointerCaptureChangedArgs& other)
-      : NotifyArgs(other.id, other.eventTime), request(other.request) {}
-
-bool NotifyPointerCaptureChangedArgs::operator==(const NotifyPointerCaptureChangedArgs& rhs) const {
-    return id == rhs.id && eventTime == rhs.eventTime && request == rhs.request;
-}
-
-void NotifyPointerCaptureChangedArgs::notify(InputListenerInterface& listener) const {
-    listener.notifyPointerCaptureChanged(this);
+void InputListenerInterface::notify(const NotifyArgs& generalArgs) {
+    Visitor v{
+            [&](const NotifyConfigurationChangedArgs& args) { notifyConfigurationChanged(&args); },
+            [&](const NotifyKeyArgs& args) { notifyKey(&args); },
+            [&](const NotifyMotionArgs& args) { notifyMotion(&args); },
+            [&](const NotifySwitchArgs& args) { notifySwitch(&args); },
+            [&](const NotifySensorArgs& args) { notifySensor(&args); },
+            [&](const NotifyVibratorStateArgs& args) { notifyVibratorState(&args); },
+            [&](const NotifyDeviceResetArgs& args) { notifyDeviceReset(&args); },
+            [&](const NotifyPointerCaptureChangedArgs& args) {
+                notifyPointerCaptureChanged(&args);
+            },
+    };
+    std::visit(v, generalArgs);
 }
 
 // --- QueuedInputListener ---
@@ -350,47 +76,47 @@
 void QueuedInputListener::notifyConfigurationChanged(
         const NotifyConfigurationChangedArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyConfigurationChangedArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyKey(const NotifyKeyArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyKeyArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyMotion(const NotifyMotionArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyMotionArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifySwitch(const NotifySwitchArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifySwitchArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifySensor(const NotifySensorArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifySensorArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyVibratorState(const NotifyVibratorStateArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyVibratorStateArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyDeviceResetArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
     traceEvent(__func__, args->id);
-    mArgsQueue.emplace_back(std::make_unique<NotifyPointerCaptureChangedArgs>(*args));
+    mArgsQueue.emplace_back(*args);
 }
 
 void QueuedInputListener::flush() {
-    for (const std::unique_ptr<NotifyArgs>& args : mArgsQueue) {
-        args->notify(mInnerListener);
+    for (const NotifyArgs& args : mArgsQueue) {
+        mInnerListener.notify(args);
     }
     mArgsQueue.clear();
 }
diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index 9767cd9..9182503 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -55,14 +55,14 @@
 
 /**
  * The event flow is via the "InputListener" interface, as follows:
- * InputReader -> UnwantedInteractionBlocker -> InputClassifier -> InputDispatcher
+ * InputReader -> UnwantedInteractionBlocker -> InputProcessor -> InputDispatcher
  */
 InputManager::InputManager(
         const sp<InputReaderPolicyInterface>& readerPolicy,
         const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
     mDispatcher = createInputDispatcher(dispatcherPolicy);
-    mClassifier = std::make_unique<InputClassifier>(*mDispatcher);
-    mBlocker = std::make_unique<UnwantedInteractionBlocker>(*mClassifier);
+    mProcessor = std::make_unique<InputProcessor>(*mDispatcher);
+    mBlocker = std::make_unique<UnwantedInteractionBlocker>(*mProcessor);
     mReader = createInputReader(readerPolicy, *mBlocker);
 }
 
@@ -110,12 +110,12 @@
     return *mReader;
 }
 
-UnwantedInteractionBlockerInterface& InputManager::getUnwantedInteractionBlocker() {
+UnwantedInteractionBlockerInterface& InputManager::getBlocker() {
     return *mBlocker;
 }
 
-InputClassifierInterface& InputManager::getClassifier() {
-    return *mClassifier;
+InputProcessorInterface& InputManager::getProcessor() {
+    return *mProcessor;
 }
 
 InputDispatcherInterface& InputManager::getDispatcher() {
@@ -125,7 +125,7 @@
 void InputManager::monitor() {
     mReader->monitor();
     mBlocker->monitor();
-    mClassifier->monitor();
+    mProcessor->monitor();
     mDispatcher->monitor();
 }
 
diff --git a/services/inputflinger/InputManager.h b/services/inputflinger/InputManager.h
index 8aad35b..1137193 100644
--- a/services/inputflinger/InputManager.h
+++ b/services/inputflinger/InputManager.h
@@ -14,14 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_MANAGER_H
-#define _UI_INPUT_MANAGER_H
+#pragma once
 
 /**
  * Native input manager.
  */
 
-#include "InputClassifier.h"
+#include "InputProcessor.h"
 #include "InputReaderBase.h"
 #include "include/UnwantedInteractionBlockerInterface.h"
 
@@ -52,10 +51,11 @@
  *    this could be a palm on the screen. This stage would alter the event stream to remove either
  *    partially (some of the pointers) or fully (all touches) the unwanted interaction. The events
  *    are processed on the InputReader thread, without any additional queue. The events are then
- *    posted to the queue managed by the InputClassifier.
- * 3. The InputClassifier class starts a thread to communicate with the device-specific
- *    classifiers. It then waits on the queue of events from UnwantedInteractionBlocker, applies
- *    a classification to them, and queues them for the InputDispatcher.
+ *    posted to the queue managed by the InputProcessor.
+ * 3. The InputProcessor class starts a thread to communicate with the device-specific
+ *    IInputProcessor HAL. It then waits on the queue of events from UnwantedInteractionBlocker,
+ *    processes the events (for example, applies a classification to the events), and queues them
+ *    for the InputDispatcher.
  * 4. The InputDispatcher class starts a thread that waits for new events on the
  *    previous queue and asynchronously dispatches them to applications.
  *
@@ -83,10 +83,10 @@
     virtual InputReaderInterface& getReader() = 0;
 
     /* Gets the unwanted interaction blocker. */
-    virtual UnwantedInteractionBlockerInterface& getUnwantedInteractionBlocker() = 0;
+    virtual UnwantedInteractionBlockerInterface& getBlocker() = 0;
 
-    /* Gets the input classifier */
-    virtual InputClassifierInterface& getClassifier() = 0;
+    /* Gets the input processor */
+    virtual InputProcessorInterface& getProcessor() = 0;
 
     /* Gets the input dispatcher. */
     virtual InputDispatcherInterface& getDispatcher() = 0;
@@ -108,8 +108,8 @@
     status_t stop() override;
 
     InputReaderInterface& getReader() override;
-    UnwantedInteractionBlockerInterface& getUnwantedInteractionBlocker() override;
-    InputClassifierInterface& getClassifier() override;
+    UnwantedInteractionBlockerInterface& getBlocker() override;
+    InputProcessorInterface& getProcessor() override;
     InputDispatcherInterface& getDispatcher() override;
     void monitor() override;
 
@@ -123,11 +123,9 @@
 
     std::unique_ptr<UnwantedInteractionBlockerInterface> mBlocker;
 
-    std::unique_ptr<InputClassifierInterface> mClassifier;
+    std::unique_ptr<InputProcessorInterface> mProcessor;
 
     std::unique_ptr<InputDispatcherInterface> mDispatcher;
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_MANAGER_H
diff --git a/services/inputflinger/InputClassifier.cpp b/services/inputflinger/InputProcessor.cpp
similarity index 75%
rename from services/inputflinger/InputClassifier.cpp
rename to services/inputflinger/InputProcessor.cpp
index 8ce2f35..02d62bf 100644
--- a/services/inputflinger/InputClassifier.cpp
+++ b/services/inputflinger/InputProcessor.cpp
@@ -14,20 +14,21 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "InputClassifier"
+#define LOG_TAG "InputProcessor"
 
-#include "InputClassifier.h"
+#include "InputProcessor.h"
 #include "InputCommonConverter.h"
 
 #include <android-base/stringprintf.h>
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
+#include <input/Input.h>
 #include <inttypes.h>
 #include <log/log.h>
 #include <algorithm>
 #include <cmath>
 #if defined(__linux__)
-    #include <pthread.h>
+#include <pthread.h>
 #endif
 #include <unordered_set>
 
@@ -44,10 +45,10 @@
 
 namespace android {
 
-//Max number of elements to store in mEvents.
+// Max number of elements to store in mEvents.
 static constexpr size_t MAX_EVENTS = 5;
 
-template<class K, class V>
+template <class K, class V>
 static V getValueForKey(const std::unordered_map<K, V>& map, K key, V defaultValue) {
     auto it = map.find(key);
     if (it == map.end()) {
@@ -123,40 +124,38 @@
 
 // --- ClassifierEvent ---
 
-ClassifierEvent::ClassifierEvent(std::unique_ptr<NotifyMotionArgs> args) :
-        type(ClassifierEventType::MOTION), args(std::move(args)) { };
-ClassifierEvent::ClassifierEvent(std::unique_ptr<NotifyDeviceResetArgs> args) :
-        type(ClassifierEventType::DEVICE_RESET), args(std::move(args)) { };
-ClassifierEvent::ClassifierEvent(ClassifierEventType type, std::unique_ptr<NotifyArgs> args) :
-        type(type), args(std::move(args)) { };
+ClassifierEvent::ClassifierEvent(const NotifyMotionArgs& args)
+      : type(ClassifierEventType::MOTION), args(args){};
 
-ClassifierEvent::ClassifierEvent(ClassifierEvent&& other) :
-        type(other.type), args(std::move(other.args)) { };
+ClassifierEvent::ClassifierEvent(const NotifyDeviceResetArgs& args)
+      : type(ClassifierEventType::DEVICE_RESET), args(args){};
+
+ClassifierEvent::ClassifierEvent(ClassifierEventType type, std::optional<NotifyArgs> args)
+      : type(type), args(args){};
 
 ClassifierEvent& ClassifierEvent::operator=(ClassifierEvent&& other) {
     type = other.type;
-    args = std::move(other.args);
+    args = other.args;
     return *this;
 }
 
 ClassifierEvent ClassifierEvent::createHalResetEvent() {
-    return ClassifierEvent(ClassifierEventType::HAL_RESET, nullptr);
+    return ClassifierEvent(ClassifierEventType::HAL_RESET, std::nullopt);
 }
 
 ClassifierEvent ClassifierEvent::createExitEvent() {
-    return ClassifierEvent(ClassifierEventType::EXIT, nullptr);
+    return ClassifierEvent(ClassifierEventType::EXIT, std::nullopt);
 }
 
 std::optional<int32_t> ClassifierEvent::getDeviceId() const {
     switch (type) {
         case ClassifierEventType::MOTION: {
-            NotifyMotionArgs* motionArgs = static_cast<NotifyMotionArgs*>(args.get());
-            return motionArgs->deviceId;
+            const NotifyMotionArgs& motionArgs = std::get<NotifyMotionArgs>(*args);
+            return motionArgs.deviceId;
         }
         case ClassifierEventType::DEVICE_RESET: {
-            NotifyDeviceResetArgs* deviceResetArgs =
-                    static_cast<NotifyDeviceResetArgs*>(args.get());
-            return deviceResetArgs->deviceId;
+            const NotifyDeviceResetArgs& deviceResetArgs = std::get<NotifyDeviceResetArgs>(*args);
+            return deviceResetArgs.deviceId;
         }
         case ClassifierEventType::HAL_RESET: {
             return std::nullopt;
@@ -180,7 +179,7 @@
     mHalThread = std::thread(&MotionClassifier::processEvents, this);
 #if defined(__linux__)
     // Set the thread name for debugging
-    pthread_setname_np(mHalThread.native_handle(), "InputClassifier");
+    pthread_setname_np(mHalThread.native_handle(), "InputProcessor");
 #endif
 }
 
@@ -198,7 +197,7 @@
 
 /**
  * Obtain the classification from the HAL for a given MotionEvent.
- * Should only be called from the InputClassifier thread (mHalThread).
+ * Should only be called from the InputProcessor thread (mHalThread).
  * Should not be called from the thread that notifyMotion runs on.
  *
  * There is no way to provide a timeout for a HAL call. So if the HAL takes too long
@@ -212,12 +211,12 @@
         bool halResponseOk = true;
         switch (event.type) {
             case ClassifierEventType::MOTION: {
-                NotifyMotionArgs* motionArgs = static_cast<NotifyMotionArgs*>(event.args.get());
-                common::MotionEvent motionEvent = notifyMotionArgsToHalMotionEvent(*motionArgs);
+                NotifyMotionArgs& motionArgs = std::get<NotifyMotionArgs>(*event.args);
+                common::MotionEvent motionEvent = notifyMotionArgsToHalMotionEvent(motionArgs);
                 common::Classification classification;
                 ndk::ScopedAStatus response = mService->classify(motionEvent, &classification);
                 if (response.isOk()) {
-                    updateClassification(motionArgs->deviceId, motionArgs->eventTime,
+                    updateClassification(motionArgs.deviceId, motionArgs.eventTime,
                                          getMotionClassification(classification));
                 }
                 break;
@@ -239,8 +238,8 @@
             }
         }
         if (!halResponseOk) {
-            ALOGE("Error communicating with InputClassifier HAL. "
-                    "Exiting MotionClassifier HAL thread");
+            ALOGE("Error communicating with InputProcessor HAL. "
+                  "Exiting MotionClassifier HAL thread");
             clearClassifications();
             return;
         }
@@ -262,14 +261,14 @@
 }
 
 void MotionClassifier::updateClassification(int32_t deviceId, nsecs_t eventTime,
-        MotionClassification classification) {
+                                            MotionClassification classification) {
     std::scoped_lock lock(mLock);
     const nsecs_t lastDownTime = getValueForKey(mLastDownTimes, deviceId, static_cast<nsecs_t>(0));
     if (eventTime < lastDownTime) {
         // HAL just finished processing an event that belonged to an earlier gesture,
         // but new gesture is already in progress. Drop this classification.
         ALOGW("Received late classification. Late by at least %" PRId64 " ms.",
-                nanoseconds_to_milliseconds(lastDownTime - eventTime));
+              nanoseconds_to_milliseconds(lastDownTime - eventTime));
         return;
     }
     mClassifications[deviceId] = classification;
@@ -307,8 +306,7 @@
         updateLastDownTime(args.deviceId, args.downTime);
     }
 
-    ClassifierEvent event(std::make_unique<NotifyMotionArgs>(args));
-    enqueueEvent(std::move(event));
+    enqueueEvent(args);
     return getClassification(args.deviceId);
 }
 
@@ -319,66 +317,66 @@
 
 /**
  * Per-device reset. Clear the outstanding events that are going to be sent to HAL.
- * Request InputClassifier thread to call resetDevice for this particular device.
+ * Request InputProcessor thread to call resetDevice for this particular device.
  */
 void MotionClassifier::reset(const NotifyDeviceResetArgs& args) {
     int32_t deviceId = args.deviceId;
     // Clear the pending events right away, to avoid unnecessary work done by the HAL.
     mEvents.erase([deviceId](const ClassifierEvent& event) {
-            std::optional<int32_t> eventDeviceId = event.getDeviceId();
-            return eventDeviceId && (*eventDeviceId == deviceId);
+        std::optional<int32_t> eventDeviceId = event.getDeviceId();
+        return eventDeviceId && (*eventDeviceId == deviceId);
     });
-    enqueueEvent(std::make_unique<NotifyDeviceResetArgs>(args));
-}
-
-const char* MotionClassifier::getServiceStatus() REQUIRES(mLock) {
-    if (!mService) {
-        return "null";
-    }
-
-    if (AIBinder_ping(mService->asBinder().get()) == STATUS_OK) {
-        return "running";
-    }
-    return "not responding";
+    enqueueEvent(args);
 }
 
 void MotionClassifier::dump(std::string& dump) {
     std::scoped_lock lock(mLock);
-    dump += StringPrintf(INDENT2 "mService status: %s\n", getServiceStatus());
-    dump += StringPrintf(INDENT2 "mEvents: %zu element(s) (max=%zu)\n",
-            mEvents.size(), MAX_EVENTS);
+    dump += StringPrintf(INDENT2 "mService connected: %s\n", mService ? "true" : "false");
+    dump += StringPrintf(INDENT2 "mEvents: %zu element(s) (max=%zu)\n", mEvents.size(), MAX_EVENTS);
     dump += INDENT2 "mClassifications, mLastDownTimes:\n";
     dump += INDENT3 "Device Id\tClassification\tLast down time";
     // Combine mClassifications and mLastDownTimes into a single table.
     // Create a superset of device ids.
     std::unordered_set<int32_t> deviceIds;
     std::for_each(mClassifications.begin(), mClassifications.end(),
-            [&deviceIds](auto pair){ deviceIds.insert(pair.first); });
+                  [&deviceIds](auto pair) { deviceIds.insert(pair.first); });
     std::for_each(mLastDownTimes.begin(), mLastDownTimes.end(),
-            [&deviceIds](auto pair){ deviceIds.insert(pair.first); });
-    for(int32_t deviceId : deviceIds) {
+                  [&deviceIds](auto pair) { deviceIds.insert(pair.first); });
+    for (int32_t deviceId : deviceIds) {
         const MotionClassification classification =
                 getValueForKey(mClassifications, deviceId, MotionClassification::NONE);
         const nsecs_t downTime = getValueForKey(mLastDownTimes, deviceId, static_cast<nsecs_t>(0));
-        dump += StringPrintf("\n" INDENT4 "%" PRId32 "\t%s\t%" PRId64,
-                deviceId, motionClassificationToString(classification), downTime);
+        dump += StringPrintf("\n" INDENT4 "%" PRId32 "\t%s\t%" PRId64, deviceId,
+                             motionClassificationToString(classification), downTime);
     }
 }
 
-// --- InputClassifier ---
+void MotionClassifier::monitor() {
+    std::scoped_lock lock(mLock);
+    if (mService) {
+        // Ping the HAL service to ensure it is alive and not blocked.
+        const binder_status_t status = AIBinder_ping(mService->asBinder().get());
+        if (status != STATUS_OK) {
+            ALOGW("IInputProcessor HAL is not responding; binder ping result: %s",
+                  AStatus_getDescription(AStatus_fromStatus(status)));
+        }
+    }
+}
 
-InputClassifier::InputClassifier(InputListenerInterface& listener) : mQueuedListener(listener) {}
+// --- InputProcessor ---
 
-void InputClassifier::onBinderDied(void* cookie) {
-    InputClassifier* classifier = static_cast<InputClassifier*>(cookie);
-    if (classifier == nullptr) {
+InputProcessor::InputProcessor(InputListenerInterface& listener) : mQueuedListener(listener) {}
+
+void InputProcessor::onBinderDied(void* cookie) {
+    InputProcessor* processor = static_cast<InputProcessor*>(cookie);
+    if (processor == nullptr) {
         LOG_ALWAYS_FATAL("Cookie is not valid");
         return;
     }
-    classifier->setMotionClassifierEnabled(false);
+    processor->setMotionClassifierEnabled(false);
 }
 
-void InputClassifier::setMotionClassifierEnabled(bool enabled) {
+void InputProcessor::setMotionClassifierEnabled(bool enabled) {
     std::scoped_lock lock(mLock);
     if (enabled) {
         ALOGI("Enabling motion classifier");
@@ -391,7 +389,7 @@
                  * and we can't continue because 'mInitializeMotionClassifier' will block in its
                  * destructor.
                  */
-                LOG_ALWAYS_FATAL("The thread to load IInputClassifier is stuck!");
+                LOG_ALWAYS_FATAL("The thread to load IInputProcessor is stuck!");
             }
         }
         mInitializeMotionClassifier = std::async(std::launch::async, [this] {
@@ -415,19 +413,19 @@
     }
 }
 
-void InputClassifier::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
+void InputProcessor::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
     // pass through
     mQueuedListener.notifyConfigurationChanged(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyKey(const NotifyKeyArgs* args) {
+void InputProcessor::notifyKey(const NotifyKeyArgs* args) {
     // pass through
     mQueuedListener.notifyKey(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyMotion(const NotifyMotionArgs* args) {
+void InputProcessor::notifyMotion(const NotifyMotionArgs* args) {
     { // acquire lock
         std::scoped_lock lock(mLock);
         // MotionClassifier is only used for touch events, for now
@@ -436,32 +434,38 @@
             mQueuedListener.notifyMotion(args);
         } else {
             NotifyMotionArgs newArgs(*args);
-            newArgs.classification = mMotionClassifier->classify(newArgs);
+            const MotionClassification newClassification = mMotionClassifier->classify(newArgs);
+            LOG_ALWAYS_FATAL_IF(args->classification != MotionClassification::NONE &&
+                                        newClassification != MotionClassification::NONE,
+                                "Conflicting classifications %s (new) and %s (old)!",
+                                motionClassificationToString(newClassification),
+                                motionClassificationToString(args->classification));
+            newArgs.classification = newClassification;
             mQueuedListener.notifyMotion(&newArgs);
         }
     } // release lock
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifySensor(const NotifySensorArgs* args) {
+void InputProcessor::notifySensor(const NotifySensorArgs* args) {
     // pass through
     mQueuedListener.notifySensor(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyVibratorState(const NotifyVibratorStateArgs* args) {
+void InputProcessor::notifyVibratorState(const NotifyVibratorStateArgs* args) {
     // pass through
     mQueuedListener.notifyVibratorState(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifySwitch(const NotifySwitchArgs* args) {
+void InputProcessor::notifySwitch(const NotifySwitchArgs* args) {
     // pass through
     mQueuedListener.notifySwitch(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
+void InputProcessor::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
     { // acquire lock
         std::scoped_lock lock(mLock);
         if (mMotionClassifier) {
@@ -474,13 +478,13 @@
     mQueuedListener.flush();
 }
 
-void InputClassifier::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
+void InputProcessor::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
     // pass through
     mQueuedListener.notifyPointerCaptureChanged(args);
     mQueuedListener.flush();
 }
 
-void InputClassifier::setMotionClassifierLocked(
+void InputProcessor::setMotionClassifierLocked(
         std::unique_ptr<MotionClassifierInterface> motionClassifier) REQUIRES(mLock) {
     if (motionClassifier == nullptr) {
         // Destroy the ScopedDeathRecipient object, which will cause it to unlinkToDeath.
@@ -490,9 +494,9 @@
     mMotionClassifier = std::move(motionClassifier);
 }
 
-void InputClassifier::dump(std::string& dump) {
+void InputProcessor::dump(std::string& dump) {
     std::scoped_lock lock(mLock);
-    dump += "Input Classifier State:\n";
+    dump += "Input Processor State:\n";
     dump += INDENT1 "Motion Classifier:\n";
     if (mMotionClassifier) {
         mMotionClassifier->dump(dump);
@@ -502,11 +506,11 @@
     dump += "\n";
 }
 
-void InputClassifier::monitor() {
+void InputProcessor::monitor() {
     std::scoped_lock lock(mLock);
+    if (mMotionClassifier) mMotionClassifier->monitor();
 }
 
-InputClassifier::~InputClassifier() {
-}
+InputProcessor::~InputProcessor() {}
 
 } // namespace android
diff --git a/services/inputflinger/InputClassifier.h b/services/inputflinger/InputProcessor.h
similarity index 84%
rename from services/inputflinger/InputClassifier.h
rename to services/inputflinger/InputProcessor.h
index 56cf760..f4d02b6 100644
--- a/services/inputflinger/InputClassifier.h
+++ b/services/inputflinger/InputProcessor.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_CLASSIFIER_H
-#define _UI_INPUT_CLASSIFIER_H
+#pragma once
 
 #include <android-base/thread_annotations.h>
 #include <future>
@@ -36,12 +35,12 @@
 
 struct ClassifierEvent {
     ClassifierEventType type;
-    std::unique_ptr<NotifyArgs> args;
+    std::optional<NotifyArgs> args;
 
-    ClassifierEvent(ClassifierEventType type, std::unique_ptr<NotifyArgs> args);
-    ClassifierEvent(std::unique_ptr<NotifyMotionArgs> args);
-    ClassifierEvent(std::unique_ptr<NotifyDeviceResetArgs> args);
-    ClassifierEvent(ClassifierEvent&& other);
+    ClassifierEvent(ClassifierEventType type, std::optional<NotifyArgs> args);
+    ClassifierEvent(const NotifyMotionArgs& args);
+    ClassifierEvent(const NotifyDeviceResetArgs& args);
+    ClassifierEvent(ClassifierEvent&& other) = default;
     ClassifierEvent& operator=(ClassifierEvent&& other);
 
     // Convenience function to create a HAL_RESET event
@@ -61,8 +60,8 @@
  */
 class MotionClassifierInterface {
 public:
-    MotionClassifierInterface() { }
-    virtual ~MotionClassifierInterface() { }
+    MotionClassifierInterface() {}
+    virtual ~MotionClassifierInterface() {}
     /**
      * Based on the motion event described by NotifyMotionArgs,
      * provide a MotionClassification for the current gesture.
@@ -78,16 +77,21 @@
     virtual void reset(const NotifyDeviceResetArgs& args) = 0;
 
     /**
-     * Dump the state of the motion classifier
+     * Dump the state of the motion classifier.
      */
     virtual void dump(std::string& dump) = 0;
+
+    /**
+     * Called by the heartbeat to ensure the HAL is still processing normally.
+     */
+    virtual void monitor() = 0;
 };
 
 /**
  * Base interface for an InputListener stage.
  * Provides classification to events.
  */
-class InputClassifierInterface : public InputListenerInterface {
+class InputProcessorInterface : public InputListenerInterface {
 public:
     virtual void setMotionClassifierEnabled(bool enabled) = 0;
     /**
@@ -96,11 +100,11 @@
      */
     virtual void dump(std::string& dump) = 0;
 
-    /* Called by the heatbeat to ensures that the classifier has not deadlocked. */
+    /** Called by the heartbeat to ensure that the classifier has not deadlocked. */
     virtual void monitor() = 0;
 
-    InputClassifierInterface() { }
-    virtual ~InputClassifierInterface() { }
+    InputProcessorInterface() {}
+    virtual ~InputProcessorInterface() {}
 };
 
 // --- Implementations ---
@@ -119,10 +123,10 @@
 };
 
 /**
- * Implementation of MotionClassifierInterface that calls the InputClassifier HAL
+ * Implementation of MotionClassifierInterface that calls the InputProcessor HAL
  * in order to determine the classification for the current gesture.
  *
- * The InputClassifier HAL may keep track of the entire gesture in order to determine
+ * The InputProcessor HAL may keep track of the entire gesture in order to determine
  * the classification, and may be hardware-specific. It may use the data in
  * NotifyMotionArgs::videoFrames field to drive the classification decisions.
  * The HAL is called from a separate thread.
@@ -155,33 +159,34 @@
     virtual void reset(const NotifyDeviceResetArgs& args) override;
 
     virtual void dump(std::string& dump) override;
+    virtual void monitor() override;
 
 private:
     friend class MotionClassifierTest; // to create MotionClassifier with a test HAL implementation
     explicit MotionClassifier(
             std::shared_ptr<aidl::android::hardware::input::processor::IInputProcessor> service);
 
-    // The events that need to be sent to the HAL.
+    /** The events that need to be sent to the HAL. */
     BlockingQueue<ClassifierEvent> mEvents;
     /**
      * Add an event to the queue mEvents.
      */
     void enqueueEvent(ClassifierEvent&& event);
     /**
-     * Thread that will communicate with InputClassifier HAL.
-     * This should be the only thread that communicates with InputClassifier HAL,
+     * Thread that will communicate with InputProcessor HAL.
+     * This should be the only thread that communicates with InputProcessor HAL,
      * because this thread is allowed to block on the HAL calls.
      */
     std::thread mHalThread;
     /**
-     * Process events and call the InputClassifier HAL
+     * Process events and call the InputProcessor HAL
      */
     void processEvents();
     /**
      * Access to the InputProcessor HAL. May be null if init() hasn't completed yet.
      * When init() successfully completes, mService is guaranteed to remain non-null and to not
      * change its value until MotionClassifier is destroyed.
-     * This variable is *not* guarded by mLock in the InputClassifier thread, because
+     * This variable is *not* guarded by mLock in the InputProcessor thread, because
      * that thread knows exactly when this variable is initialized.
      * When accessed in any other thread, mService is checked for nullness with a lock.
      */
@@ -191,8 +196,8 @@
      * Per-device input classifications. Should only be accessed using the
      * getClassification / setClassification methods.
      */
-    std::unordered_map<int32_t /*deviceId*/, MotionClassification>
-            mClassifications GUARDED_BY(mLock);
+    std::unordered_map<int32_t /*deviceId*/, MotionClassification> mClassifications
+            GUARDED_BY(mLock);
     /**
      * Set the current classification for a given device.
      */
@@ -202,7 +207,7 @@
      */
     MotionClassification getClassification(int32_t deviceId);
     void updateClassification(int32_t deviceId, nsecs_t eventTime,
-            MotionClassification classification);
+                              MotionClassification classification);
     /**
      * Clear all current classifications
      */
@@ -211,7 +216,7 @@
      * Per-device times when the last ACTION_DOWN was received.
      * Used to reject late classifications that do not belong to the current gesture.
      *
-     * Accessed indirectly by both InputClassifier thread and the thread that receives notifyMotion.
+     * Accessed indirectly by both InputProcessor thread and the thread that receives notifyMotion.
      */
     std::unordered_map<int32_t /*deviceId*/, nsecs_t /*downTime*/> mLastDownTimes GUARDED_BY(mLock);
 
@@ -220,7 +225,7 @@
     void clearDeviceState(int32_t deviceId);
 
     /**
-     * Exit the InputClassifier HAL thread.
+     * Exit the InputProcessor HAL thread.
      * Useful for tests to ensure proper cleanup.
      */
     void requestExit();
@@ -231,14 +236,14 @@
 };
 
 /**
- * Implementation of the InputClassifierInterface.
+ * Implementation of the InputProcessorInterface.
  * Represents a separate stage of input processing. All of the input events go through this stage.
  * Acts as a passthrough for all input events except for motion events.
  * The events of motion type are sent to MotionClassifier.
  */
-class InputClassifier : public InputClassifierInterface {
+class InputProcessor : public InputProcessorInterface {
 public:
-    explicit InputClassifier(InputListenerInterface& listener);
+    explicit InputProcessor(InputListenerInterface& listener);
 
     void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
     void notifyKey(const NotifyKeyArgs* args) override;
@@ -252,7 +257,7 @@
     void dump(std::string& dump) override;
     void monitor() override;
 
-    ~InputClassifier();
+    ~InputProcessor();
 
     // Called from InputManager
     void setMotionClassifierEnabled(bool enabled) override;
@@ -282,4 +287,3 @@
 };
 
 } // namespace android
-#endif
diff --git a/services/inputflinger/InputThread.cpp b/services/inputflinger/InputThread.cpp
index b87f7a1..e2e64f9 100644
--- a/services/inputflinger/InputThread.cpp
+++ b/services/inputflinger/InputThread.cpp
@@ -41,7 +41,7 @@
 
 InputThread::InputThread(std::string name, std::function<void()> loop, std::function<void()> wake)
       : mName(name), mThreadWake(wake) {
-    mThread = new InputThreadImpl(loop);
+    mThread = sp<InputThreadImpl>::make(loop);
     mThread->run(mName.c_str(), ANDROID_PRIORITY_URGENT_DISPLAY);
 }
 
diff --git a/services/inputflinger/NotifyArgs.cpp b/services/inputflinger/NotifyArgs.cpp
new file mode 100644
index 0000000..b192ad7
--- /dev/null
+++ b/services/inputflinger/NotifyArgs.cpp
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "NotifyArgs"
+
+#define ATRACE_TAG ATRACE_TAG_INPUT
+
+#include "NotifyArgs.h"
+
+#include <android-base/stringprintf.h>
+#include <android/log.h>
+#include <math.h>
+#include <utils/Trace.h>
+
+using android::base::StringPrintf;
+
+namespace android {
+
+// --- NotifyConfigurationChangedArgs ---
+
+NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime)
+      : id(id), eventTime(eventTime) {}
+
+// --- NotifyKeyArgs ---
+
+NotifyKeyArgs::NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                             uint32_t source, int32_t displayId, uint32_t policyFlags,
+                             int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
+                             int32_t metaState, nsecs_t downTime)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        displayId(displayId),
+        policyFlags(policyFlags),
+        action(action),
+        flags(flags),
+        keyCode(keyCode),
+        scanCode(scanCode),
+        metaState(metaState),
+        downTime(downTime),
+        readTime(readTime) {}
+
+// --- NotifyMotionArgs ---
+
+NotifyMotionArgs::NotifyMotionArgs(
+        int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId, uint32_t source,
+        int32_t displayId, uint32_t policyFlags, int32_t action, int32_t actionButton,
+        int32_t flags, int32_t metaState, int32_t buttonState, MotionClassification classification,
+        int32_t edgeFlags, uint32_t pointerCount, const PointerProperties* pointerProperties,
+        const PointerCoords* pointerCoords, float xPrecision, float yPrecision,
+        float xCursorPosition, float yCursorPosition, nsecs_t downTime,
+        const std::vector<TouchVideoFrame>& videoFrames)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        displayId(displayId),
+        policyFlags(policyFlags),
+        action(action),
+        actionButton(actionButton),
+        flags(flags),
+        metaState(metaState),
+        buttonState(buttonState),
+        classification(classification),
+        edgeFlags(edgeFlags),
+        pointerCount(pointerCount),
+        xPrecision(xPrecision),
+        yPrecision(yPrecision),
+        xCursorPosition(xCursorPosition),
+        yCursorPosition(yCursorPosition),
+        downTime(downTime),
+        readTime(readTime),
+        videoFrames(videoFrames) {
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        this->pointerProperties[i].copyFrom(pointerProperties[i]);
+        this->pointerCoords[i].copyFrom(pointerCoords[i]);
+    }
+}
+
+NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other)
+      : id(other.id),
+        eventTime(other.eventTime),
+        deviceId(other.deviceId),
+        source(other.source),
+        displayId(other.displayId),
+        policyFlags(other.policyFlags),
+        action(other.action),
+        actionButton(other.actionButton),
+        flags(other.flags),
+        metaState(other.metaState),
+        buttonState(other.buttonState),
+        classification(other.classification),
+        edgeFlags(other.edgeFlags),
+        pointerCount(other.pointerCount),
+        xPrecision(other.xPrecision),
+        yPrecision(other.yPrecision),
+        xCursorPosition(other.xCursorPosition),
+        yCursorPosition(other.yCursorPosition),
+        downTime(other.downTime),
+        readTime(other.readTime),
+        videoFrames(other.videoFrames) {
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].copyFrom(other.pointerProperties[i]);
+        pointerCoords[i].copyFrom(other.pointerCoords[i]);
+    }
+}
+
+static inline bool isCursorPositionEqual(float lhs, float rhs) {
+    return (isnan(lhs) && isnan(rhs)) || lhs == rhs;
+}
+
+bool NotifyMotionArgs::operator==(const NotifyMotionArgs& rhs) const {
+    bool equal = id == rhs.id && eventTime == rhs.eventTime && readTime == rhs.readTime &&
+            deviceId == rhs.deviceId && source == rhs.source && displayId == rhs.displayId &&
+            policyFlags == rhs.policyFlags && action == rhs.action &&
+            actionButton == rhs.actionButton && flags == rhs.flags && metaState == rhs.metaState &&
+            buttonState == rhs.buttonState && classification == rhs.classification &&
+            edgeFlags == rhs.edgeFlags &&
+            pointerCount == rhs.pointerCount
+            // PointerProperties and PointerCoords are compared separately below
+            && xPrecision == rhs.xPrecision && yPrecision == rhs.yPrecision &&
+            isCursorPositionEqual(xCursorPosition, rhs.xCursorPosition) &&
+            isCursorPositionEqual(yCursorPosition, rhs.yCursorPosition) &&
+            downTime == rhs.downTime && videoFrames == rhs.videoFrames;
+    if (!equal) {
+        return false;
+    }
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        equal = pointerProperties[i] == rhs.pointerProperties[i] &&
+                pointerCoords[i] == rhs.pointerCoords[i];
+        if (!equal) {
+            return false;
+        }
+    }
+    return true;
+}
+
+std::string NotifyMotionArgs::dump() const {
+    std::string coords;
+    for (uint32_t i = 0; i < pointerCount; i++) {
+        if (!coords.empty()) {
+            coords += ", ";
+        }
+        coords += StringPrintf("{%" PRIu32 ": ", i);
+        coords +=
+                StringPrintf("id=%" PRIu32 " x=%.1f y=%.1f pressure=%.1f", pointerProperties[i].id,
+                             pointerCoords[i].getX(), pointerCoords[i].getY(),
+                             pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
+        const int32_t toolType = pointerProperties[i].toolType;
+        if (toolType != AMOTION_EVENT_TOOL_TYPE_FINGER) {
+            coords += StringPrintf(" toolType=%s", motionToolTypeToString(toolType));
+        }
+        const float major = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR);
+        const float minor = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR);
+        const float orientation = pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
+        if (major != 0 || minor != 0) {
+            coords += StringPrintf(" major=%.1f minor=%.1f orientation=%.1f", major, minor,
+                                   orientation);
+        }
+        coords += "}";
+    }
+    return StringPrintf("NotifyMotionArgs(id=%" PRId32 ", eventTime=%" PRId64 ", deviceId=%" PRId32
+                        ", source=%s, action=%s, pointerCount=%" PRIu32
+                        " pointers=%s, flags=0x%08x)",
+                        id, eventTime, deviceId, inputEventSourceToString(source).c_str(),
+                        MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str(),
+                        flags);
+}
+
+// --- NotifySwitchArgs ---
+
+NotifySwitchArgs::NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags,
+                                   uint32_t switchValues, uint32_t switchMask)
+      : id(id),
+        eventTime(eventTime),
+        policyFlags(policyFlags),
+        switchValues(switchValues),
+        switchMask(switchMask) {}
+
+// --- NotifySensorArgs ---
+
+NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+                                   InputDeviceSensorType sensorType,
+                                   InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+                                   nsecs_t hwTimestamp, std::vector<float> values)
+      : id(id),
+        eventTime(eventTime),
+        deviceId(deviceId),
+        source(source),
+        sensorType(sensorType),
+        accuracy(accuracy),
+        accuracyChanged(accuracyChanged),
+        hwTimestamp(hwTimestamp),
+        values(std::move(values)) {}
+
+// --- NotifyVibratorStateArgs ---
+
+NotifyVibratorStateArgs::NotifyVibratorStateArgs(int32_t id, nsecs_t eventTime, int32_t deviceId,
+                                                 bool isOn)
+      : id(id), eventTime(eventTime), deviceId(deviceId), isOn(isOn) {}
+
+// --- NotifyDeviceResetArgs ---
+
+NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
+      : id(id), eventTime(eventTime), deviceId(deviceId) {}
+
+// --- NotifyPointerCaptureChangedArgs ---
+
+NotifyPointerCaptureChangedArgs::NotifyPointerCaptureChangedArgs(
+        int32_t id, nsecs_t eventTime, const PointerCaptureRequest& request)
+      : id(id), eventTime(eventTime), request(request) {}
+
+// Helper to std::visit with lambdas.
+template <typename... V>
+struct Visitor : V... {};
+// explicit deduction guide (not needed as of C++20)
+template <typename... V>
+Visitor(V...) -> Visitor<V...>;
+
+const char* toString(const NotifyArgs& args) {
+    Visitor toStringVisitor{
+            [&](const NotifyConfigurationChangedArgs&) { return "NotifyConfigurationChangedArgs"; },
+            [&](const NotifyKeyArgs&) { return "NotifyKeyArgs"; },
+            [&](const NotifyMotionArgs&) { return "NotifyMotionArgs"; },
+            [&](const NotifySensorArgs&) { return "NotifySensorArgs"; },
+            [&](const NotifySwitchArgs&) { return "NotifySwitchArgs"; },
+            [&](const NotifyDeviceResetArgs&) { return "NotifyDeviceResetArgs"; },
+            [&](const NotifyPointerCaptureChangedArgs&) {
+                return "NotifyPointerCaptureChangedArgs";
+            },
+            [&](const NotifyVibratorStateArgs&) { return "NotifyVibratorStateArgs"; },
+    };
+    return std::visit(toStringVisitor, args);
+}
+
+} // namespace android
diff --git a/services/inputflinger/TEST_MAPPING b/services/inputflinger/TEST_MAPPING
index b4b617e..4a0f2ec 100644
--- a/services/inputflinger/TEST_MAPPING
+++ b/services/inputflinger/TEST_MAPPING
@@ -38,6 +38,7 @@
       "name": "CtsViewTestCases",
       "options": [
         {
+          "include-filter": "android.view.cts.input",
           "include-filter": "android.view.cts.MotionEventTest",
           "include-filter": "android.view.cts.PointerCaptureTest",
           "include-filter": "android.view.cts.VerifyInputEventTest"
@@ -45,6 +46,101 @@
       ]
     },
     {
+      "name": "CtsWidgetTestCases",
+      "options": [
+        {
+          "include-filter": "android.widget.cts.NumberPickerTest"
+        }
+      ]
+    },
+    {
+      "name": "FrameworksCoreTests",
+      "options": [
+        {
+          "include-filter": "android.view.VerifiedKeyEventTest",
+          "include-filter": "android.view.VerifiedMotionEventTest"
+        }
+      ]
+    },
+    {
+      "name": "FrameworksServicesTests",
+      "options": [
+        {
+          "include-filter": "com.android.server.input"
+        }
+      ]
+    },
+    {
+      "name": "CtsSecurityTestCases",
+      "options": [
+        {
+          "include-filter": "android.security.cts.MotionEventTest"
+        }
+      ]
+    },
+    {
+      "name": "CtsSecurityBulletinHostTestCases",
+      "options": [
+        {
+          "include-filter": "android.security.cts.Poc19_03#testPocBug_115739809"
+        }
+      ]
+    }
+  ],
+  "hwasan-postsubmit": [
+    {
+      "name": "CtsWindowManagerDeviceTestCases",
+      "options": [
+        {
+          "include-filter": "android.server.wm.WindowInputTests"
+        }
+      ]
+    },
+    {
+      "name": "libinput_tests"
+    },
+    {
+      "name": "inputflinger_tests"
+    },
+    {
+      "name": "libpalmrejection_test"
+    },
+    {
+      "name": "InputTests"
+    },
+    {
+      "name": "libinputservice_test"
+    },
+    {
+      "name": "CtsHardwareTestCases",
+      "options": [
+        {
+          "include-filter": "android.hardware.input.cts.tests"
+        }
+      ]
+    },
+    {
+      "name": "CtsInputTestCases"
+    },
+    {
+      "name": "CtsViewTestCases",
+      "options": [
+        {
+          "include-filter": "android.view.cts.MotionEventTest",
+          "include-filter": "android.view.cts.PointerCaptureTest",
+          "include-filter": "android.view.cts.VerifyInputEventTest"
+        }
+      ]
+    },
+    {
+      "name": "CtsWidgetTestCases",
+      "options": [
+        {
+          "include-filter": "android.widget.cts.NumberPickerTest"
+        }
+      ]
+    },
+    {
       "name": "FrameworksCoreTests",
       "options": [
         {
diff --git a/services/inputflinger/benchmarks/Android.bp b/services/inputflinger/benchmarks/Android.bp
index 75071d5..e5c19af 100644
--- a/services/inputflinger/benchmarks/Android.bp
+++ b/services/inputflinger/benchmarks/Android.bp
@@ -26,7 +26,6 @@
         "libinputreporter",
         "liblog",
         "libstatslog",
-        "libui",
         "libutils",
     ],
     static_libs: [
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index a2e60c4..3d4dd7e 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -82,8 +82,6 @@
 
     void notifyVibratorState(int32_t deviceId, bool isOn) override {}
 
-    void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
-
     void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
         *outConfig = mConfig;
     }
@@ -260,14 +258,15 @@
 
 static void benchmarkNotifyMotion(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window that will receive motion events
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     dispatcher.setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -294,14 +293,15 @@
 
 static void benchmarkInjectMotion(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window that will receive motion events
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     dispatcher.setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -327,14 +327,15 @@
 
 static void benchmarkOnWindowInfosChanged(benchmark::State& state) {
     // Create dispatcher
-    sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy();
+    sp<FakeInputDispatcherPolicy> fakePolicy = sp<FakeInputDispatcherPolicy>::make();
     InputDispatcher dispatcher(fakePolicy);
     dispatcher.setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
     dispatcher.start();
 
     // Create a window
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, dispatcher, "Fake Window");
 
     std::vector<gui::WindowInfo> windowInfos{*window->getInfo()};
     gui::DisplayInfo info;
diff --git a/services/inputflinger/dispatcher/Android.bp b/services/inputflinger/dispatcher/Android.bp
index cdad9c9..eb79b76 100644
--- a/services/inputflinger/dispatcher/Android.bp
+++ b/services/inputflinger/dispatcher/Android.bp
@@ -63,7 +63,6 @@
         "libstatslog",
         "libstatspull",
         "libstatssocket",
-        "libui",
         "libgui",
         "libutils",
         "server_configurable_flags",
diff --git a/services/inputflinger/dispatcher/AnrTracker.h b/services/inputflinger/dispatcher/AnrTracker.h
index 097dba5..5e5e0c4 100644
--- a/services/inputflinger/dispatcher/AnrTracker.h
+++ b/services/inputflinger/dispatcher/AnrTracker.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
-#define _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
+#pragma once
 
 #include <binder/IBinder.h>
 #include <utils/Timers.h>
@@ -56,5 +55,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_ANRTRACKER_H
diff --git a/services/inputflinger/dispatcher/CancelationOptions.h b/services/inputflinger/dispatcher/CancelationOptions.h
index 99e2108..d210e9e 100644
--- a/services/inputflinger/dispatcher/CancelationOptions.h
+++ b/services/inputflinger/dispatcher/CancelationOptions.h
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
-#define _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
+#pragma once
 
+#include <utils/BitSet.h>
 #include <optional>
 
-namespace android::inputdispatcher {
+namespace android {
+namespace inputdispatcher {
 
 /* Specifies which events are to be canceled and why. */
 struct CancelationOptions {
@@ -45,9 +46,11 @@
     // The specific display id of events to cancel, or nullopt to cancel events on any display.
     std::optional<int32_t> displayId = std::nullopt;
 
+    // The specific pointers to cancel, or nullopt to cancel all pointer events
+    std::optional<BitSet32> pointerIds = std::nullopt;
+
     CancelationOptions(Mode mode, const char* reason) : mode(mode), reason(reason) {}
 };
 
-} // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_CANCELLATIONOPTIONS_H
+} // namespace inputdispatcher
+} // namespace android
diff --git a/services/inputflinger/dispatcher/Connection.h b/services/inputflinger/dispatcher/Connection.h
index dc6a081..6040e9b 100644
--- a/services/inputflinger/dispatcher/Connection.h
+++ b/services/inputflinger/dispatcher/Connection.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
-#define _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
+#pragma once
 
 #include "InputState.h"
 
@@ -74,5 +73,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_CONNECTION_H
diff --git a/services/inputflinger/dispatcher/DebugConfig.h b/services/inputflinger/dispatcher/DebugConfig.h
index 9a2aea6..d2ad407 100644
--- a/services/inputflinger/dispatcher/DebugConfig.h
+++ b/services/inputflinger/dispatcher/DebugConfig.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
-#define _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
+#pragma once
 
 #define LOG_TAG "InputDispatcher"
 
@@ -92,5 +91,3 @@
 const bool DEBUG_HOVER =
         __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Hover", ANDROID_LOG_INFO);
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_DISPATCHER_DEBUG_CONFIG_H
\ No newline at end of file
diff --git a/services/inputflinger/dispatcher/DragState.h b/services/inputflinger/dispatcher/DragState.h
index d1c8b8a..9809148 100644
--- a/services/inputflinger/dispatcher/DragState.h
+++ b/services/inputflinger/dispatcher/DragState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
+#pragma once
 
 #include <gui/WindowInfo.h>
 #include <utils/StrongPointer.h>
@@ -44,5 +43,3 @@
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_DRAGSTATE_H
\ No newline at end of file
diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index 8046bbe..33e7e17 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -195,9 +195,10 @@
 
 // --- TouchModeEntry ---
 
-TouchModeEntry::TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode)
+TouchModeEntry::TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode, int displayId)
       : EventEntry(id, Type::TOUCH_MODE_CHANGED, eventTime, POLICY_FLAG_PASS_TO_USER),
-        inTouchMode(inTouchMode) {}
+        inTouchMode(inTouchMode),
+        displayId(displayId) {}
 
 TouchModeEntry::~TouchModeEntry() {}
 
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index 0f79296..60f319a 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_ENTRY_H
-#define _UI_INPUT_INPUTDISPATCHER_ENTRY_H
+#pragma once
 
 #include "InjectionState.h"
 #include "InputTarget.h"
@@ -211,8 +210,9 @@
 
 struct TouchModeEntry : EventEntry {
     bool inTouchMode;
+    int32_t displayId;
 
-    TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode);
+    TouchModeEntry(int32_t id, nsecs_t eventTime, bool inTouchMode, int32_t displayId);
     std::string getDescription() const override;
 
     ~TouchModeEntry() override;
@@ -257,5 +257,3 @@
                                                        const ui::Transform& rawTransform);
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_ENTRY_H
diff --git a/services/inputflinger/dispatcher/FocusResolver.cpp b/services/inputflinger/dispatcher/FocusResolver.cpp
index a02b3e8..4da846b 100644
--- a/services/inputflinger/dispatcher/FocusResolver.cpp
+++ b/services/inputflinger/dispatcher/FocusResolver.cpp
@@ -13,24 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-#define LOG_TAG "FocusResolver"
+#define LOG_TAG "InputDispatcher"
 #define ATRACE_TAG ATRACE_TAG_INPUT
 
 #define INDENT "  "
 #define INDENT2 "    "
 
-// Log debug messages about input focus tracking.
-static constexpr bool DEBUG_FOCUS = false;
-
 #include <inttypes.h>
 
 #include <android-base/stringprintf.h>
 #include <binder/Binder.h>
 #include <ftl/enum.h>
 #include <gui/WindowInfo.h>
-#include <log/log.h>
 
+#include "DebugConfig.h"
 #include "FocusResolver.h"
 
 using android::gui::FocusRequest;
diff --git a/services/inputflinger/dispatcher/InjectionState.h b/services/inputflinger/dispatcher/InjectionState.h
index 90cf150..d9e27ba 100644
--- a/services/inputflinger/dispatcher/InjectionState.h
+++ b/services/inputflinger/dispatcher/InjectionState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
+#pragma once
 
 #include <stdint.h>
 #include "InputDispatcherInterface.h"
@@ -41,5 +40,3 @@
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 9d1adad..a793f57 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -56,7 +56,6 @@
 using android::gui::TouchOcclusionMode;
 using android::gui::WindowInfo;
 using android::gui::WindowInfoHandle;
-using android::os::BlockUntrustedTouchesMode;
 using android::os::IInputConstants;
 using android::os::InputEventInjectionResult;
 using android::os::InputEventInjectionSync;
@@ -525,6 +524,21 @@
     return {};
 }
 
+Point resolveTouchedPosition(const MotionEntry& entry) {
+    const bool isFromMouse = isFromSource(entry.source, AINPUT_SOURCE_MOUSE);
+    // Always dispatch mouse events to cursor position.
+    if (isFromMouse) {
+        return Point(static_cast<int32_t>(entry.xCursorPosition),
+                     static_cast<int32_t>(entry.yCursorPosition));
+    }
+
+    const int32_t pointerIndex = getMotionEventActionPointerIndex(entry.action);
+    return Point(static_cast<int32_t>(
+                         entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X)),
+                 static_cast<int32_t>(
+                         entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y)));
+}
+
 } // namespace
 
 // --- InputDispatcher ---
@@ -545,24 +559,19 @@
         mDispatchEnabled(false),
         mDispatchFrozen(false),
         mInputFilterEnabled(false),
-        // mInTouchMode will be initialized by the WindowManager to the default device config.
-        // To avoid leaking stack in case that call never comes, and for tests,
-        // initialize it here anyways.
-        mInTouchMode(kDefaultInTouchMode),
         mMaximumObscuringOpacityForTouch(1.0f),
         mFocusedDisplayId(ADISPLAY_ID_DEFAULT),
         mWindowTokenWithPointerCapture(nullptr),
         mStaleEventTimeout(staleEventTimeout),
         mLatencyAggregator(),
         mLatencyTracker(&mLatencyAggregator) {
-    mLooper = new Looper(false);
+    mLooper = sp<Looper>::make(false);
     mReporter = createInputReporter();
 
-    mWindowInfoListener = new DispatcherWindowListener(*this);
+    mWindowInfoListener = sp<DispatcherWindowListener>::make(*this);
     SurfaceComposerClient::getDefault()->addWindowInfosListener(mWindowInfoListener);
 
     mKeyRepeatState.lastKeyEntry = nullptr;
-
     policy->getDispatcherConfiguration(&mConfig);
 }
 
@@ -927,13 +936,10 @@
     // If the application takes too long to catch up then we drop all events preceding
     // the touch into the other window.
     if (isPointerDownEvent && mAwaitedFocusedApplication != nullptr) {
-        int32_t displayId = motionEntry.displayId;
-        int32_t x = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-        int32_t y = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
-
+        const int32_t displayId = motionEntry.displayId;
+        const auto [x, y] = resolveTouchedPosition(motionEntry);
         const bool isStylus = isPointerFromStylus(motionEntry, 0 /*pointerIndex*/);
+
         sp<WindowInfoHandle> touchedWindowHandle =
                 findTouchedWindowAtLocked(displayId, x, y, nullptr, isStylus);
         if (touchedWindowHandle != nullptr &&
@@ -1435,7 +1441,7 @@
 void InputDispatcher::dispatchTouchModeChangeLocked(nsecs_t currentTime,
                                                     const std::shared_ptr<TouchModeEntry>& entry) {
     const std::vector<sp<WindowInfoHandle>>& windowHandles =
-            getWindowHandlesLocked(mFocusedDisplayId);
+            getWindowHandlesLocked(entry->displayId);
     if (windowHandles.empty()) {
         return;
     }
@@ -1452,7 +1458,6 @@
         const std::vector<sp<WindowInfoHandle>>& windowHandles) const {
     std::vector<InputTarget> inputTargets;
     for (const sp<WindowInfoHandle>& handle : windowHandles) {
-        // TODO(b/193718270): Due to performance concerns, consider notifying visible windows only.
         const sp<IBinder>& token = handle->getToken();
         if (token == nullptr) {
             continue;
@@ -1658,6 +1663,13 @@
     InputEventInjectionResult injectionResult;
     if (isPointerEvent) {
         // Pointer event.  (eg. touchscreen)
+
+        if (mDragState &&
+            (entry->action & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_POINTER_DOWN) {
+            // If drag and drop ongoing and pointer down occur: pilfer drag window pointers
+            pilferPointersLocked(mDragState->dragWindow->getToken());
+        }
+
         injectionResult =
                 findTouchedWindowTargetsLocked(currentTime, *entry, inputTargets, nextWakeupTime,
                                                &conflictingPointerActions);
@@ -1866,6 +1878,17 @@
     return false;
 }
 
+static std::optional<nsecs_t> getDownTime(const EventEntry& eventEntry) {
+    if (eventEntry.type == EventEntry::Type::KEY) {
+        const KeyEntry& keyEntry = static_cast<const KeyEntry&>(eventEntry);
+        return keyEntry.downTime;
+    } else if (eventEntry.type == EventEntry::Type::MOTION) {
+        const MotionEntry& motionEntry = static_cast<const MotionEntry&>(eventEntry);
+        return motionEntry.downTime;
+    }
+    return std::nullopt;
+}
+
 InputEventInjectionResult InputDispatcher::findFocusedWindowTargetsLocked(
         nsecs_t currentTime, const EventEntry& entry, std::vector<InputTarget>& inputTargets,
         nsecs_t* nextWakeupTime) {
@@ -1955,7 +1978,7 @@
     // Success!  Output targets.
     addWindowTargetLocked(focusedWindowHandle,
                           InputTarget::FLAG_FOREGROUND | InputTarget::FLAG_DISPATCH_AS_IS,
-                          BitSet32(0), inputTargets);
+                          BitSet32(0), getDownTime(entry), inputTargets);
 
     // Done.
     return InputEventInjectionResult::SUCCEEDED;
@@ -2056,18 +2079,8 @@
 
     if (newGesture || (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
         /* Case 1: New splittable pointer going down, or need target for hover or scroll. */
-
-        int32_t x;
-        int32_t y;
+        const auto [x, y] = resolveTouchedPosition(entry);
         const int32_t pointerIndex = getMotionEventActionPointerIndex(action);
-        // Always dispatch mouse events to cursor position.
-        if (isFromMouse) {
-            x = int32_t(entry.xCursorPosition);
-            y = int32_t(entry.yCursorPosition);
-        } else {
-            x = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X));
-            y = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y));
-        }
         const bool isDown = maskedAction == AMOTION_EVENT_ACTION_DOWN;
         const bool isStylus = isPointerFromStylus(entry, pointerIndex);
         newTouchedWindowHandle = findTouchedWindowAtLocked(displayId, x, y, &tempTouchState,
@@ -2130,49 +2143,7 @@
         }
 
         for (const sp<WindowInfoHandle>& windowHandle : newTouchedWindows) {
-            const WindowInfo& info = *windowHandle->getInfo();
-
-            // Skip spy window targets that are not valid for targeted injection.
-            if (const auto err = verifyTargetedInjection(windowHandle, entry); err) {
-                continue;
-            }
-
-            if (info.inputConfig.test(WindowInfo::InputConfig::PAUSE_DISPATCHING)) {
-                ALOGI("Not sending touch event to %s because it is paused",
-                      windowHandle->getName().c_str());
-                continue;
-            }
-
-            // Ensure the window has a connection and the connection is responsive
-            const bool isResponsive = hasResponsiveConnectionLocked(*windowHandle);
-            if (!isResponsive) {
-                ALOGW("Not sending touch gesture to %s because it is not responsive",
-                      windowHandle->getName().c_str());
-                continue;
-            }
-
-            // Drop events that can't be trusted due to occlusion
-            if (mBlockUntrustedTouchesMode != BlockUntrustedTouchesMode::DISABLED) {
-                TouchOcclusionInfo occlusionInfo =
-                        computeTouchOcclusionInfoLocked(windowHandle, x, y);
-                if (!isTouchTrustedLocked(occlusionInfo)) {
-                    if (DEBUG_TOUCH_OCCLUSION) {
-                        ALOGD("Stack of obscuring windows during untrusted touch (%d, %d):", x, y);
-                        for (const auto& log : occlusionInfo.debugInfo) {
-                            ALOGD("%s", log.c_str());
-                        }
-                    }
-                    sendUntrustedTouchCommandLocked(occlusionInfo.obscuringPackage);
-                    if (mBlockUntrustedTouchesMode == BlockUntrustedTouchesMode::BLOCK) {
-                        ALOGW("Dropping untrusted touch event due to %s/%d",
-                              occlusionInfo.obscuringPackage.c_str(), occlusionInfo.obscuringUid);
-                        continue;
-                    }
-                }
-            }
-
-            // Drop touch events if requested by input feature
-            if (shouldDropInput(entry, windowHandle)) {
+            if (!canWindowReceiveMotionLocked(windowHandle, entry)) {
                 continue;
             }
 
@@ -2197,8 +2168,18 @@
             BitSet32 pointerIds;
             pointerIds.markBit(entry.pointerProperties[pointerIndex].id);
 
-            tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds);
+            tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds,
+                                             entry.eventTime);
         }
+
+        // If any existing window is pilfering pointers from newly added window, remove it
+        BitSet32 canceledPointers = BitSet32(0);
+        for (const TouchedWindow& window : tempTouchState.windows) {
+            if (window.isPilferingPointers) {
+                canceledPointers |= window.pointerIds;
+            }
+        }
+        tempTouchState.cancelPointersForNonPilferingWindows(canceledPointers);
     } else {
         /* Case 2: Pointer move, up, cancel or non-splittable pointer down. */
 
@@ -2218,9 +2199,7 @@
         // Check whether touches should slip outside of the current foreground window.
         if (maskedAction == AMOTION_EVENT_ACTION_MOVE && entry.pointerCount == 1 &&
             tempTouchState.isSlippery()) {
-            const int32_t x = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-            const int32_t y = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
-
+            const auto [x, y] = resolveTouchedPosition(entry);
             const bool isStylus = isPointerFromStylus(entry, 0 /*pointerIndex*/);
             sp<WindowInfoHandle> oldTouchedWindowHandle =
                     tempTouchState.getFirstForegroundWindowHandle();
@@ -2273,7 +2252,8 @@
 
                 BitSet32 pointerIds;
                 pointerIds.markBit(entry.pointerProperties[0].id);
-                tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds);
+                tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds,
+                                                 entry.eventTime);
             }
         }
     }
@@ -2390,7 +2370,7 @@
                                                        InputTarget::
                                                                FLAG_WINDOW_IS_PARTIALLY_OBSCURED |
                                                        InputTarget::FLAG_DISPATCH_AS_IS,
-                                               BitSet32(0));
+                                               BitSet32(0), entry.eventTime);
                 }
             }
         }
@@ -2401,7 +2381,8 @@
 
     for (const TouchedWindow& touchedWindow : tempTouchState.windows) {
         addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
-                              touchedWindow.pointerIds, inputTargets);
+                              touchedWindow.pointerIds, touchedWindow.firstDownTimeInTarget,
+                              inputTargets);
     }
 
     // Drop the outside or hover touch windows since we will not care about them
@@ -2593,6 +2574,7 @@
 
 void InputDispatcher::addWindowTargetLocked(const sp<WindowInfoHandle>& windowHandle,
                                             int32_t targetFlags, BitSet32 pointerIds,
+                                            std::optional<nsecs_t> firstDownTimeInTarget,
                                             std::vector<InputTarget>& inputTargets) {
     std::vector<InputTarget>::iterator it =
             std::find_if(inputTargets.begin(), inputTargets.end(),
@@ -2614,6 +2596,7 @@
         inputTarget.inputChannel = inputChannel;
         inputTarget.flags = targetFlags;
         inputTarget.globalScaleFactor = windowInfo->globalScaleFactor;
+        inputTarget.firstDownTimeInTarget = firstDownTimeInTarget;
         const auto& displayInfoIt = mDisplayInfos.find(windowInfo->displayId);
         if (displayInfoIt != mDisplayInfos.end()) {
             inputTarget.displayTransform = displayInfoIt->second.transform;
@@ -2639,6 +2622,8 @@
         InputTarget target;
         target.inputChannel = monitor.inputChannel;
         target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+        // target.firstDownTimeInTarget is not set for global monitors. It is only required in split
+        // touch and global monitoring works as intended even without setting firstDownTimeInTarget
         if (const auto& it = mDisplayInfos.find(displayId); it != mDisplayInfos.end()) {
             target.displayTransform = it->second.transform;
         }
@@ -2923,8 +2908,12 @@
 
         const MotionEntry& originalMotionEntry = static_cast<const MotionEntry&>(*eventEntry);
         if (inputTarget.pointerIds.count() != originalMotionEntry.pointerCount) {
+            LOG_ALWAYS_FATAL_IF(!inputTarget.firstDownTimeInTarget.has_value(),
+                                "Splitting motion events requires a down time to be set for the "
+                                "target");
             std::unique_ptr<MotionEntry> splitMotionEntry =
-                    splitMotionEvent(originalMotionEntry, inputTarget.pointerIds);
+                    splitMotionEvent(originalMotionEntry, inputTarget.pointerIds,
+                                     inputTarget.firstDownTimeInTarget.value());
             if (!splitMotionEntry) {
                 return; // split event was dropped
             }
@@ -2959,7 +2948,7 @@
         ATRACE_NAME(message.c_str());
     }
 
-    bool wasEmpty = connection->outboundQueue.empty();
+    const bool wasEmpty = connection->outboundQueue.empty();
 
     // Enqueue dispatch entries for the requested modes.
     enqueueDispatchEntryLocked(connection, eventEntry, inputTarget,
@@ -3685,15 +3674,13 @@
 }
 
 void InputDispatcher::synthesizePointerDownEventsForConnectionLocked(
-        const sp<Connection>& connection) {
+        const nsecs_t downTime, const sp<Connection>& connection) {
     if (connection->status == Connection::Status::BROKEN) {
         return;
     }
 
-    nsecs_t currentTime = now();
-
     std::vector<std::unique_ptr<EventEntry>> downEvents =
-            connection->inputState.synthesizePointerDownEvents(currentTime);
+            connection->inputState.synthesizePointerDownEvents(downTime);
 
     if (downEvents.empty()) {
         return;
@@ -3716,7 +3703,6 @@
     target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
 
     const bool wasEmpty = connection->outboundQueue.empty();
-
     for (std::unique_ptr<EventEntry>& downEventEntry : downEvents) {
         switch (downEventEntry->type) {
             case EventEntry::Type::MOTION: {
@@ -3742,14 +3728,15 @@
         enqueueDispatchEntryLocked(connection, std::move(downEventEntry), target,
                                    InputTarget::FLAG_DISPATCH_AS_IS);
     }
+
     // If the outbound queue was previously empty, start the dispatch cycle going.
     if (wasEmpty && !connection->outboundQueue.empty()) {
-        startDispatchCycleLocked(currentTime, connection);
+        startDispatchCycleLocked(downTime, connection);
     }
 }
 
 std::unique_ptr<MotionEntry> InputDispatcher::splitMotionEvent(
-        const MotionEntry& originalMotionEntry, BitSet32 pointerIds) {
+        const MotionEntry& originalMotionEntry, BitSet32 pointerIds, nsecs_t splitDownTime) {
     ALOG_ASSERT(pointerIds.value != 0);
 
     uint32_t splitPointerIndexMap[MAX_POINTERS];
@@ -3817,6 +3804,13 @@
         }
     }
 
+    if (action == AMOTION_EVENT_ACTION_DOWN) {
+        LOG_ALWAYS_FATAL_IF(splitDownTime != originalMotionEntry.eventTime,
+                            "Split motion event has mismatching downTime and eventTime for "
+                            "ACTION_DOWN, motionEntry=%s, splitDownTime=%" PRId64 "ms",
+                            originalMotionEntry.getDescription().c_str(), ns2ms(splitDownTime));
+    }
+
     int32_t newId = mIdGenerator.nextId();
     if (ATRACE_ENABLED()) {
         std::string message = StringPrintf("Split MotionEvent(id=0x%" PRIx32
@@ -3837,9 +3831,9 @@
                                           originalMotionEntry.xPrecision,
                                           originalMotionEntry.yPrecision,
                                           originalMotionEntry.xCursorPosition,
-                                          originalMotionEntry.yCursorPosition,
-                                          originalMotionEntry.downTime, splitPointerCount,
-                                          splitPointerProperties, splitPointerCoords);
+                                          originalMotionEntry.yCursorPosition, splitDownTime,
+                                          splitPointerCount, splitPointerProperties,
+                                          splitPointerCoords);
 
     if (originalMotionEntry.injectionState) {
         splitMotionEntry->injectionState = originalMotionEntry.injectionState;
@@ -4577,26 +4571,58 @@
     return getWindowHandleLocked(focusedToken, displayId);
 }
 
-bool InputDispatcher::hasResponsiveConnectionLocked(WindowInfoHandle& windowHandle) const {
-    sp<Connection> connection = getConnectionLocked(windowHandle.getToken());
-    const bool noInputChannel =
-            windowHandle.getInfo()->inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL);
-    if (connection != nullptr && noInputChannel) {
-        ALOGW("%s has feature NO_INPUT_CHANNEL, but it matched to connection %s",
-              windowHandle.getName().c_str(), connection->inputChannel->getName().c_str());
+bool InputDispatcher::canWindowReceiveMotionLocked(const sp<WindowInfoHandle>& window,
+                                                   const MotionEntry& motionEntry) const {
+    const WindowInfo& info = *window->getInfo();
+
+    // Skip spy window targets that are not valid for targeted injection.
+    if (const auto err = verifyTargetedInjection(window, motionEntry); err) {
         return false;
     }
 
+    if (info.inputConfig.test(WindowInfo::InputConfig::PAUSE_DISPATCHING)) {
+        ALOGI("Not sending touch event to %s because it is paused", window->getName().c_str());
+        return false;
+    }
+
+    if (info.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL)) {
+        ALOGW("Not sending touch gesture to %s because it has config NO_INPUT_CHANNEL",
+              window->getName().c_str());
+        return false;
+    }
+
+    sp<Connection> connection = getConnectionLocked(window->getToken());
     if (connection == nullptr) {
-        if (!noInputChannel) {
-            ALOGI("Could not find connection for %s", windowHandle.getName().c_str());
-        }
+        ALOGW("Not sending touch to %s because there's no corresponding connection",
+              window->getName().c_str());
         return false;
     }
+
     if (!connection->responsive) {
-        ALOGW("Window %s is not responsive", windowHandle.getName().c_str());
+        ALOGW("Not sending touch to %s because it is not responsive", window->getName().c_str());
         return false;
     }
+
+    // Drop events that can't be trusted due to occlusion
+    const auto [x, y] = resolveTouchedPosition(motionEntry);
+    TouchOcclusionInfo occlusionInfo = computeTouchOcclusionInfoLocked(window, x, y);
+    if (!isTouchTrustedLocked(occlusionInfo)) {
+        if (DEBUG_TOUCH_OCCLUSION) {
+            ALOGD("Stack of obscuring windows during untrusted touch (%d, %d):", x, y);
+            for (const auto& log : occlusionInfo.debugInfo) {
+                ALOGD("%s", log.c_str());
+            }
+        }
+        ALOGW("Dropping untrusted touch event due to %s/%d", occlusionInfo.obscuringPackage.c_str(),
+              occlusionInfo.obscuringUid);
+        return false;
+    }
+
+    // Drop touch events if requested by input feature
+    if (shouldDropInput(motionEntry, window)) {
+        return false;
+    }
+
     return true;
 }
 
@@ -4970,19 +4996,25 @@
     mLooper->wake();
 }
 
-bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid,
-                                     bool hasPermission) {
+bool InputDispatcher::setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                                     int32_t displayId) {
     bool needWake = false;
     {
         std::scoped_lock lock(mLock);
-        if (mInTouchMode == inTouchMode) {
+        ALOGD_IF(DEBUG_TOUCH_MODE,
+                 "Request to change touch mode to %s (calling pid=%d, uid=%d, "
+                 "hasPermission=%s, target displayId=%d, mTouchModePerDisplay[displayId]=%s)",
+                 toString(inTouchMode), pid, uid, toString(hasPermission), displayId,
+                 mTouchModePerDisplay.count(displayId) == 0
+                         ? "not set"
+                         : std::to_string(mTouchModePerDisplay[displayId]).c_str());
+
+        // TODO(b/198499018): Ensure that WM can guarantee that touch mode is properly set when
+        // display is created.
+        auto touchModeIt = mTouchModePerDisplay.find(displayId);
+        if (touchModeIt != mTouchModePerDisplay.end() && touchModeIt->second == inTouchMode) {
             return false;
         }
-        if (DEBUG_TOUCH_MODE) {
-            ALOGD("Request to change touch mode from %s to %s (calling pid=%d, uid=%d, "
-                  "hasPermission=%s)",
-                  toString(mInTouchMode), toString(inTouchMode), pid, uid, toString(hasPermission));
-        }
         if (!hasPermission) {
             if (!focusedWindowIsOwnedByLocked(pid, uid) &&
                 !recentWindowsAreOwnedByLocked(pid, uid)) {
@@ -4992,11 +5024,9 @@
                 return false;
             }
         }
-
-        // TODO(b/198499018): Store touch mode per display.
-        mInTouchMode = inTouchMode;
-
-        auto entry = std::make_unique<TouchModeEntry>(mIdGenerator.nextId(), now(), inTouchMode);
+        mTouchModePerDisplay[displayId] = inTouchMode;
+        auto entry = std::make_unique<TouchModeEntry>(mIdGenerator.nextId(), now(), inTouchMode,
+                                                      displayId);
         needWake = enqueueInboundEventLocked(std::move(entry));
     } // release lock
 
@@ -5034,11 +5064,6 @@
     mMaximumObscuringOpacityForTouch = opacity;
 }
 
-void InputDispatcher::setBlockUntrustedTouchesMode(BlockUntrustedTouchesMode mode) {
-    std::scoped_lock lock(mLock);
-    mBlockUntrustedTouchesMode = mode;
-}
-
 std::pair<TouchState*, TouchedWindow*> InputDispatcher::findTouchStateAndWindowLocked(
         const sp<IBinder>& token) {
     for (auto& [displayId, state] : mTouchStatesByDisplay) {
@@ -5089,12 +5114,13 @@
         state->removeWindowByToken(fromToken);
 
         // Add new window.
+        nsecs_t downTimeInTarget = now();
         int32_t newTargetFlags =
                 oldTargetFlags & (InputTarget::FLAG_SPLIT | InputTarget::FLAG_DISPATCH_AS_IS);
         if (canReceiveForegroundTouches(*toWindowHandle->getInfo())) {
             newTargetFlags |= InputTarget::FLAG_FOREGROUND;
         }
-        state->addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds);
+        state->addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds, downTimeInTarget);
 
         // Store the dragging window.
         if (isDragDrop) {
@@ -5117,7 +5143,7 @@
                     options(CancelationOptions::CANCEL_POINTER_EVENTS,
                             "transferring touch focus from this window to another window");
             synthesizeCancelationEventsForConnectionLocked(fromConnection, options);
-            synthesizePointerDownEventsForConnectionLocked(toConnection);
+            synthesizePointerDownEventsForConnectionLocked(downTimeInTarget, toConnection);
         }
 
         if (DEBUG_FOCUS) {
@@ -5267,10 +5293,12 @@
                 dump += INDENT3 "Windows:\n";
                 for (size_t i = 0; i < state.windows.size(); i++) {
                     const TouchedWindow& touchedWindow = state.windows[i];
-                    dump += StringPrintf(INDENT4
-                                         "%zu: name='%s', pointerIds=0x%0x, targetFlags=0x%x\n",
+                    dump += StringPrintf(INDENT4 "%zu: name='%s', pointerIds=0x%0x, "
+                                                 "targetFlags=0x%x, firstDownTimeInTarget=%" PRId64
+                                                 "ms\n",
                                          i, touchedWindow.windowHandle->getName().c_str(),
-                                         touchedWindow.pointerIds.value, touchedWindow.targetFlags);
+                                         touchedWindow.pointerIds.value, touchedWindow.targetFlags,
+                                         ns2ms(touchedWindow.firstDownTimeInTarget.value_or(0)));
                 }
             } else {
                 dump += INDENT3 "Windows: <none>\n";
@@ -5438,6 +5466,16 @@
         dump += INDENT "AppSwitch: not pending\n";
     }
 
+    if (!mTouchModePerDisplay.empty()) {
+        dump += INDENT "TouchModePerDisplay:\n";
+        for (const auto& [displayId, touchMode] : mTouchModePerDisplay) {
+            dump += StringPrintf(INDENT2 "Display: %" PRId32 " TouchMode: %s\n", displayId,
+                                 std::to_string(touchMode).c_str());
+        }
+    } else {
+        dump += INDENT "TouchModePerDisplay: <none>\n";
+    }
+
     dump += INDENT "Configuration:\n";
     dump += StringPrintf(INDENT2 "KeyRepeatDelay: %" PRId64 "ms\n", ns2ms(mConfig.keyRepeatDelay));
     dump += StringPrintf(INDENT2 "KeyRepeatTimeout: %" PRId64 "ms\n",
@@ -5483,7 +5521,7 @@
         const sp<IBinder>& token = serverChannel->getConnectionToken();
         int fd = serverChannel->getFd();
         sp<Connection> connection =
-                new Connection(std::move(serverChannel), false /*monitor*/, mIdGenerator);
+                sp<Connection>::make(std::move(serverChannel), false /*monitor*/, mIdGenerator);
 
         if (mConnectionsByToken.find(token) != mConnectionsByToken.end()) {
             ALOGE("Created a new connection, but the token %p is already known", token.get());
@@ -5493,7 +5531,8 @@
         std::function<int(int events)> callback = std::bind(&InputDispatcher::handleReceiveCallback,
                                                             this, std::placeholders::_1, token);
 
-        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, new LooperEventCallback(callback), nullptr);
+        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, sp<LooperEventCallback>::make(callback),
+                       nullptr);
     } // release lock
 
     // Wake the looper because some connections have changed.
@@ -5519,7 +5558,8 @@
                                           << " without a specified display.";
         }
 
-        sp<Connection> connection = new Connection(serverChannel, true /*monitor*/, mIdGenerator);
+        sp<Connection> connection =
+                sp<Connection>::make(serverChannel, true /*monitor*/, mIdGenerator);
         const sp<IBinder>& token = serverChannel->getConnectionToken();
         const int fd = serverChannel->getFd();
 
@@ -5532,7 +5572,8 @@
 
         mGlobalMonitorsByDisplay[displayId].emplace_back(serverChannel, pid);
 
-        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, new LooperEventCallback(callback), nullptr);
+        mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, sp<LooperEventCallback>::make(callback),
+                       nullptr);
     }
 
     // Wake the looper because some connections have changed.
@@ -5596,7 +5637,10 @@
 
 status_t InputDispatcher::pilferPointers(const sp<IBinder>& token) {
     std::scoped_lock _l(mLock);
+    return pilferPointersLocked(token);
+}
 
+status_t InputDispatcher::pilferPointersLocked(const sp<IBinder>& token) {
     const std::shared_ptr<InputChannel> requestingChannel = getInputChannelLocked(token);
     if (!requestingChannel) {
         ALOGW("Attempted to pilfer pointers from an un-registered channel or invalid token");
@@ -5611,16 +5655,20 @@
     }
 
     TouchState& state = *statePtr;
-
+    TouchedWindow& window = *windowPtr;
     // Send cancel events to all the input channels we're stealing from.
     CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
                                "input channel stole pointer stream");
     options.deviceId = state.deviceId;
     options.displayId = state.displayId;
+    if (state.split) {
+        // If split pointers then selectively cancel pointers otherwise cancel all pointers
+        options.pointerIds = window.pointerIds;
+    }
     std::string canceledWindows;
-    for (const TouchedWindow& window : state.windows) {
+    for (const TouchedWindow& w : state.windows) {
         const std::shared_ptr<InputChannel> channel =
-                getInputChannelLocked(window.windowHandle->getToken());
+                getInputChannelLocked(w.windowHandle->getToken());
         if (channel != nullptr && channel->getConnectionToken() != token) {
             synthesizeCancelationEventsForInputChannelLocked(channel, options);
             canceledWindows += canceledWindows.empty() ? "[" : ", ";
@@ -5632,8 +5680,14 @@
           canceledWindows.c_str());
 
     // Prevent the gesture from being sent to any other windows.
-    state.filterWindowsExcept(token);
-    state.preventNewTargets = true;
+    // This only blocks relevant pointers to be sent to other windows
+    window.isPilferingPointers = true;
+
+    if (state.split) {
+        state.cancelPointersForWindowsExcept(window.pointerIds, token);
+    } else {
+        state.filterWindowsExcept(token);
+    }
     return OK;
 }
 
@@ -5805,14 +5859,6 @@
     postCommandLocked(std::move(command));
 }
 
-void InputDispatcher::sendUntrustedTouchCommandLocked(const std::string& obscuringPackage) {
-    auto command = [this, obscuringPackage]() REQUIRES(mLock) {
-        scoped_unlock unlock(mLock);
-        mPolicy->notifyUntrustedTouch(obscuringPackage);
-    };
-    postCommandLocked(std::move(command));
-}
-
 void InputDispatcher::onAnrLocked(const sp<Connection>& connection) {
     if (connection == nullptr) {
         LOG_ALWAYS_FATAL("Caller must check for nullness");
@@ -6322,6 +6368,8 @@
         mFocusResolver.displayRemoved(displayId);
         // Reset pointer capture eligibility, regardless of previous state.
         std::erase(mIneligibleDisplaysForPointerCapture, displayId);
+        // Remove the associated touch mode state.
+        mTouchModePerDisplay.erase(displayId);
     } // release lock
 
     // Wake up poll loop since it may need to make new input dispatching choices.
@@ -6335,7 +6383,7 @@
     std::unordered_map<int32_t, std::vector<sp<WindowInfoHandle>>> handlesPerDisplay;
     for (const auto& info : windowInfos) {
         handlesPerDisplay.emplace(info.displayId, std::vector<sp<WindowInfoHandle>>());
-        handlesPerDisplay[info.displayId].push_back(new WindowInfoHandle(info));
+        handlesPerDisplay[info.displayId].push_back(sp<WindowInfoHandle>::make(info));
     }
 
     { // acquire lock
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index ed89ed0..14b046a 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_DISPATCHER_H
-#define _UI_INPUT_DISPATCHER_H
+#pragma once
 
 #include "AnrTracker.h"
 #include "CancelationOptions.h"
@@ -42,7 +41,6 @@
 #include <input/InputTransport.h>
 #include <limits.h>
 #include <stddef.h>
-#include <ui/Region.h>
 #include <unistd.h>
 #include <utils/BitSet.h>
 #include <utils/Looper.h>
@@ -119,9 +117,9 @@
     void setFocusedDisplay(int32_t displayId) override;
     void setInputDispatchMode(bool enabled, bool frozen) override;
     void setInputFilterEnabled(bool enabled) override;
-    bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) override;
+    bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                        int32_t displayId) override;
     void setMaximumObscuringOpacityForTouch(float opacity) override;
-    void setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode mode) override;
 
     bool transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken,
                             bool isDragDrop = false) override;
@@ -256,6 +254,8 @@
 
     void removeConnectionLocked(const sp<Connection>& connection) REQUIRES(mLock);
 
+    status_t pilferPointersLocked(const sp<IBinder>& token) REQUIRES(mLock);
+
     template <typename T>
     struct StrongPointerHash {
         std::size_t operator()(const sp<T>& b) const { return std::hash<T*>{}(b.get()); }
@@ -342,9 +342,12 @@
     bool mDispatchEnabled GUARDED_BY(mLock);
     bool mDispatchFrozen GUARDED_BY(mLock);
     bool mInputFilterEnabled GUARDED_BY(mLock);
-    bool mInTouchMode GUARDED_BY(mLock);
     float mMaximumObscuringOpacityForTouch GUARDED_BY(mLock);
-    android::os::BlockUntrustedTouchesMode mBlockUntrustedTouchesMode GUARDED_BY(mLock);
+
+    // This map is not really needed, but it helps a lot with debugging (dumpsys input).
+    // In the java layer, touch mode states are spread across multiple DisplayContent objects,
+    // making harder to snapshot and retrieve them.
+    std::map<int32_t /*displayId*/, bool /*inTouchMode*/> mTouchModePerDisplay GUARDED_BY(mLock);
 
     class DispatcherWindowListener : public gui::WindowInfosListener {
     public:
@@ -381,10 +384,10 @@
             REQUIRES(mLock);
     sp<android::gui::WindowInfoHandle> getFocusedWindowHandleLocked(int displayId) const
             REQUIRES(mLock);
-    bool hasResponsiveConnectionLocked(android::gui::WindowInfoHandle& windowHandle) const
-            REQUIRES(mLock);
+    bool canWindowReceiveMotionLocked(const sp<android::gui::WindowInfoHandle>& window,
+                                      const MotionEntry& motionEntry) const REQUIRES(mLock);
 
-    // Gets all the input targets (with their respective input channels) from the window handles
+    // Returns all the input targets (with their respective input channels) from the window handles
     // passed as argument.
     std::vector<InputTarget> getInputTargetsFromWindowHandlesLocked(
             const std::vector<sp<android::gui::WindowInfoHandle>>& windowHandles) const
@@ -550,6 +553,7 @@
 
     void addWindowTargetLocked(const sp<android::gui::WindowInfoHandle>& windowHandle,
                                int32_t targetFlags, BitSet32 pointerIds,
+                               std::optional<nsecs_t> firstDownTimeInTarget,
                                std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
     void addGlobalMonitoringTargetsLocked(std::vector<InputTarget>& inputTargets, int32_t displayId)
             REQUIRES(mLock);
@@ -621,12 +625,14 @@
                                                         const CancelationOptions& options)
             REQUIRES(mLock);
 
-    void synthesizePointerDownEventsForConnectionLocked(const sp<Connection>& connection)
+    void synthesizePointerDownEventsForConnectionLocked(const nsecs_t downTime,
+                                                        const sp<Connection>& connection)
             REQUIRES(mLock);
 
-    // Splitting motion events across windows.
+    // Splitting motion events across windows. When splitting motion event for a target,
+    // splitDownTime refers to the time of first 'down' event on that particular target
     std::unique_ptr<MotionEntry> splitMotionEvent(const MotionEntry& originalMotionEntry,
-                                                  BitSet32 pointerIds);
+                                                  BitSet32 pointerIds, nsecs_t splitDownTime);
 
     // Reset and drop everything the dispatcher is doing.
     void resetAndDropEverythingLocked(const char* reason) REQUIRES(mLock);
@@ -652,7 +658,6 @@
     void sendFocusChangedCommandLocked(const sp<IBinder>& oldToken, const sp<IBinder>& newToken)
             REQUIRES(mLock);
     void sendDropWindowCommandLocked(const sp<IBinder>& token, float x, float y) REQUIRES(mLock);
-    void sendUntrustedTouchCommandLocked(const std::string& obscuringPackage) REQUIRES(mLock);
     void onAnrLocked(const sp<Connection>& connection) REQUIRES(mLock);
     void onAnrLocked(std::shared_ptr<InputApplicationHandle> application) REQUIRES(mLock);
     void updateLastAnrStateLocked(const sp<android::gui::WindowInfoHandle>& window,
@@ -687,5 +692,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_DISPATCHER_H
diff --git a/services/inputflinger/dispatcher/InputEventTimeline.h b/services/inputflinger/dispatcher/InputEventTimeline.h
index 77b8472..daf375d 100644
--- a/services/inputflinger/dispatcher/InputEventTimeline.h
+++ b/services/inputflinger/dispatcher/InputEventTimeline.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
+#pragma once
 
 #include <binder/IBinder.h>
 #include <input/Input.h>
@@ -104,5 +103,3 @@
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTEVENTTIMELINE_H
diff --git a/services/inputflinger/dispatcher/InputState.cpp b/services/inputflinger/dispatcher/InputState.cpp
index f46a8bc..047c628 100644
--- a/services/inputflinger/dispatcher/InputState.cpp
+++ b/services/inputflinger/dispatcher/InputState.cpp
@@ -286,19 +286,30 @@
 
     for (const MotionMemento& memento : mMotionMementos) {
         if (shouldCancelMotion(memento, options)) {
-            const int32_t action = memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT
-                                                    : AMOTION_EVENT_ACTION_CANCEL;
-            events.push_back(
-                    std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
-                                                  memento.deviceId, memento.source,
-                                                  memento.displayId, memento.policyFlags, action,
-                                                  0 /*actionButton*/, memento.flags, AMETA_NONE,
-                                                  0 /*buttonState*/, MotionClassification::NONE,
-                                                  AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
-                                                  memento.yPrecision, memento.xCursorPosition,
-                                                  memento.yCursorPosition, memento.downTime,
-                                                  memento.pointerCount, memento.pointerProperties,
-                                                  memento.pointerCoords));
+            if (options.pointerIds == std::nullopt) {
+                const int32_t action = memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT
+                                                        : AMOTION_EVENT_ACTION_CANCEL;
+                events.push_back(
+                        std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
+                                                      memento.deviceId, memento.source,
+                                                      memento.displayId, memento.policyFlags,
+                                                      action, 0 /*actionButton*/, memento.flags,
+                                                      AMETA_NONE, 0 /*buttonState*/,
+                                                      MotionClassification::NONE,
+                                                      AMOTION_EVENT_EDGE_FLAG_NONE,
+                                                      memento.xPrecision, memento.yPrecision,
+                                                      memento.xCursorPosition,
+                                                      memento.yCursorPosition, memento.downTime,
+                                                      memento.pointerCount,
+                                                      memento.pointerProperties,
+                                                      memento.pointerCoords));
+            } else {
+                std::vector<std::unique_ptr<MotionEntry>> pointerCancelEvents =
+                        synthesizeCancelationEventsForPointers(memento, options.pointerIds.value(),
+                                                               currentTime);
+                events.insert(events.end(), std::make_move_iterator(pointerCancelEvents.begin()),
+                              std::make_move_iterator(pointerCancelEvents.end()));
+            }
         }
     }
     return events;
@@ -359,6 +370,73 @@
     return events;
 }
 
+std::vector<std::unique_ptr<MotionEntry>> InputState::synthesizeCancelationEventsForPointers(
+        const MotionMemento& memento, const BitSet32 pointerIds, nsecs_t currentTime) {
+    std::vector<std::unique_ptr<MotionEntry>> events;
+    std::vector<uint32_t> canceledPointerIndices;
+    std::vector<PointerProperties> pointerProperties(MAX_POINTERS);
+    std::vector<PointerCoords> pointerCoords(MAX_POINTERS);
+    for (uint32_t pointerIdx = 0; pointerIdx < memento.pointerCount; pointerIdx++) {
+        uint32_t pointerId = uint32_t(memento.pointerProperties[pointerIdx].id);
+        pointerProperties[pointerIdx].copyFrom(memento.pointerProperties[pointerIdx]);
+        pointerCoords[pointerIdx].copyFrom(memento.pointerCoords[pointerIdx]);
+        if (pointerIds.hasBit(pointerId)) {
+            canceledPointerIndices.push_back(pointerIdx);
+        }
+    }
+
+    if (canceledPointerIndices.size() == memento.pointerCount) {
+        const int32_t action =
+                memento.hovering ? AMOTION_EVENT_ACTION_HOVER_EXIT : AMOTION_EVENT_ACTION_CANCEL;
+        events.push_back(
+                std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime, memento.deviceId,
+                                              memento.source, memento.displayId,
+                                              memento.policyFlags, action, 0 /*actionButton*/,
+                                              memento.flags, AMETA_NONE, 0 /*buttonState*/,
+                                              MotionClassification::NONE,
+                                              AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
+                                              memento.yPrecision, memento.xCursorPosition,
+                                              memento.yCursorPosition, memento.downTime,
+                                              memento.pointerCount, memento.pointerProperties,
+                                              memento.pointerCoords));
+    } else {
+        // If we aren't canceling all pointers, we need to generated ACTION_POINTER_UP with
+        // FLAG_CANCELED for each of the canceled pointers. For each event, we must remove the
+        // previously canceled pointers from PointerProperties and PointerCoords, and update
+        // pointerCount appropriately. For convenience, sort the canceled pointer indices so that we
+        // can just slide the remaining pointers to the beginning of the array when a pointer is
+        // canceled.
+        std::sort(canceledPointerIndices.begin(), canceledPointerIndices.end(),
+                  std::greater<uint32_t>());
+
+        uint32_t pointerCount = memento.pointerCount;
+        for (const uint32_t pointerIdx : canceledPointerIndices) {
+            const int32_t action = pointerCount == 1 ? AMOTION_EVENT_ACTION_CANCEL
+                                                     : AMOTION_EVENT_ACTION_POINTER_UP |
+                            (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+            events.push_back(
+                    std::make_unique<MotionEntry>(mIdGenerator.nextId(), currentTime,
+                                                  memento.deviceId, memento.source,
+                                                  memento.displayId, memento.policyFlags, action,
+                                                  0 /*actionButton*/,
+                                                  memento.flags | AMOTION_EVENT_FLAG_CANCELED,
+                                                  AMETA_NONE, 0 /*buttonState*/,
+                                                  MotionClassification::NONE,
+                                                  AMOTION_EVENT_EDGE_FLAG_NONE, memento.xPrecision,
+                                                  memento.yPrecision, memento.xCursorPosition,
+                                                  memento.yCursorPosition, memento.downTime,
+                                                  pointerCount, pointerProperties.data(),
+                                                  pointerCoords.data()));
+
+            // Cleanup pointer information
+            pointerProperties.erase(pointerProperties.begin() + pointerIdx);
+            pointerCoords.erase(pointerCoords.begin() + pointerIdx);
+            pointerCount--;
+        }
+    }
+    return events;
+}
+
 void InputState::clear() {
     mKeyMementos.clear();
     mMotionMementos.clear();
diff --git a/services/inputflinger/dispatcher/InputState.h b/services/inputflinger/dispatcher/InputState.h
index 74ae21f..6ab48c9 100644
--- a/services/inputflinger/dispatcher/InputState.h
+++ b/services/inputflinger/dispatcher/InputState.h
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
+#pragma once
 
 #include "CancelationOptions.h"
 #include "Entry.h"
 
 #include <utils/Timers.h>
 
-namespace android::inputdispatcher {
+namespace android {
+namespace inputdispatcher {
 
 static constexpr int32_t INVALID_POINTER_INDEX = -1;
 
@@ -125,8 +125,11 @@
 
     static bool shouldCancelKey(const KeyMemento& memento, const CancelationOptions& options);
     static bool shouldCancelMotion(const MotionMemento& memento, const CancelationOptions& options);
+
+    // Synthesizes pointer cancel events for a particular set of pointers.
+    std::vector<std::unique_ptr<MotionEntry>> synthesizeCancelationEventsForPointers(
+            const MotionMemento& memento, const BitSet32 pointerIds, nsecs_t currentTime);
 };
 
-} // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTSTATE_H
+} // namespace inputdispatcher
+} // namespace android
diff --git a/services/inputflinger/dispatcher/InputTarget.h b/services/inputflinger/dispatcher/InputTarget.h
index 0725389..b2966f6 100644
--- a/services/inputflinger/dispatcher/InputTarget.h
+++ b/services/inputflinger/dispatcher/InputTarget.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
+#pragma once
 
 #include <gui/constants.h>
 #include <input/InputTransport.h>
@@ -106,6 +105,9 @@
     // The subset of pointer ids to include in motion events dispatched to this input target
     // if FLAG_SPLIT is set.
     BitSet32 pointerIds;
+    // Event time for the first motion event (ACTION_DOWN) dispatched to this input target if
+    // FLAG_SPLIT is set.
+    std::optional<nsecs_t> firstDownTimeInTarget;
     // The data is stored by the pointerId. Use the bit position of pointerIds to look up
     // Transform per pointerId.
     ui::Transform pointerTransforms[MAX_POINTERS];
@@ -133,5 +135,3 @@
 std::string dispatchModeToString(int32_t dispatchMode);
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTTARGET_H
diff --git a/services/inputflinger/dispatcher/LatencyAggregator.h b/services/inputflinger/dispatcher/LatencyAggregator.h
index ed5731f..accfc29 100644
--- a/services/inputflinger/dispatcher/LatencyAggregator.h
+++ b/services/inputflinger/dispatcher/LatencyAggregator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
-#define _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
+#pragma once
 
 #include <kll.h>
 #include <statslog.h>
@@ -86,5 +85,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_LATENCYAGGREGATOR_H
diff --git a/services/inputflinger/dispatcher/LatencyTracker.h b/services/inputflinger/dispatcher/LatencyTracker.h
index 4b0c618..64dfeef 100644
--- a/services/inputflinger/dispatcher/LatencyTracker.h
+++ b/services/inputflinger/dispatcher/LatencyTracker.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
-#define _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
+#pragma once
 
 #include <map>
 #include <unordered_map>
@@ -81,5 +80,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
diff --git a/services/inputflinger/dispatcher/Monitor.h b/services/inputflinger/dispatcher/Monitor.h
index 365d5be..7b51191 100644
--- a/services/inputflinger/dispatcher/Monitor.h
+++ b/services/inputflinger/dispatcher/Monitor.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_MONITOR_H
-#define _UI_INPUT_INPUTDISPATCHER_MONITOR_H
+#pragma once
 
 #include <input/InputTransport.h>
 
@@ -30,5 +29,3 @@
 };
 
 } // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_MONITOR_H
diff --git a/services/inputflinger/dispatcher/TouchState.cpp b/services/inputflinger/dispatcher/TouchState.cpp
index 61e78cc..cf0c38a 100644
--- a/services/inputflinger/dispatcher/TouchState.cpp
+++ b/services/inputflinger/dispatcher/TouchState.cpp
@@ -30,7 +30,7 @@
 }
 
 void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle, int32_t targetFlags,
-                                   BitSet32 pointerIds) {
+                                   BitSet32 pointerIds, std::optional<nsecs_t> eventTime) {
     if (targetFlags & InputTarget::FLAG_SPLIT) {
         split = true;
     }
@@ -42,17 +42,22 @@
             if (targetFlags & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
                 touchedWindow.targetFlags &= ~InputTarget::FLAG_DISPATCH_AS_IS;
             }
+            // For cases like hover enter/exit or DISPATCH_AS_OUTSIDE a touch window might not have
+            // downTime set initially. Need to update existing window when an pointer is down for
+            // the window.
             touchedWindow.pointerIds.value |= pointerIds.value;
+            if (!touchedWindow.firstDownTimeInTarget.has_value()) {
+                touchedWindow.firstDownTimeInTarget = eventTime;
+            }
             return;
         }
     }
 
-    if (preventNewTargets) return; // Don't add new TouchedWindows.
-
     TouchedWindow touchedWindow;
     touchedWindow.windowHandle = windowHandle;
     touchedWindow.targetFlags = targetFlags;
     touchedWindow.pointerIds = pointerIds;
+    touchedWindow.firstDownTimeInTarget = eventTime;
     windows.push_back(touchedWindow);
 }
 
@@ -79,6 +84,27 @@
     }
 }
 
+void TouchState::cancelPointersForWindowsExcept(const BitSet32 pointerIds,
+                                                const sp<IBinder>& token) {
+    if (pointerIds.isEmpty()) return;
+    std::for_each(windows.begin(), windows.end(), [&pointerIds, &token](TouchedWindow& w) {
+        if (w.windowHandle->getToken() != token) {
+            w.pointerIds &= BitSet32(~pointerIds.value);
+        }
+    });
+    std::erase_if(windows, [](const TouchedWindow& w) { return w.pointerIds.isEmpty(); });
+}
+
+void TouchState::cancelPointersForNonPilferingWindows(const BitSet32 pointerIds) {
+    if (pointerIds.isEmpty()) return;
+    std::for_each(windows.begin(), windows.end(), [&pointerIds](TouchedWindow& w) {
+        if (!w.isPilferingPointers) {
+            w.pointerIds &= BitSet32(~pointerIds.value);
+        }
+    });
+    std::erase_if(windows, [](const TouchedWindow& w) { return w.pointerIds.isEmpty(); });
+}
+
 void TouchState::filterWindowsExcept(const sp<IBinder>& token) {
     std::erase_if(windows,
                   [&token](const TouchedWindow& w) { return w.windowHandle->getToken() != token; });
diff --git a/services/inputflinger/dispatcher/TouchState.h b/services/inputflinger/dispatcher/TouchState.h
index 9efb280..cf5f1e5 100644
--- a/services/inputflinger/dispatcher/TouchState.h
+++ b/services/inputflinger/dispatcher/TouchState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
-#define _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
+#pragma once
 
 #include "Monitor.h"
 #include "TouchedWindow.h"
@@ -31,7 +30,6 @@
 struct TouchState {
     bool down = false;
     bool split = false;
-    bool preventNewTargets = false;
 
     // id of the device that is currently down, others are rejected
     int32_t deviceId = -1;
@@ -48,10 +46,18 @@
 
     void reset();
     void addOrUpdateWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
-                           int32_t targetFlags, BitSet32 pointerIds);
+                           int32_t targetFlags, BitSet32 pointerIds,
+                           std::optional<nsecs_t> eventTime = std::nullopt);
     void removeWindowByToken(const sp<IBinder>& token);
     void filterNonAsIsTouchWindows();
     void filterWindowsExcept(const sp<IBinder>& token);
+
+    // Cancel pointers for current set of windows except the window with particular binder token.
+    void cancelPointersForWindowsExcept(const BitSet32 pointerIds, const sp<IBinder>& token);
+    // Cancel pointers for current set of non-pilfering windows i.e. windows with isPilferingWindow
+    // set to false.
+    void cancelPointersForNonPilferingWindows(const BitSet32 pointerIds);
+
     sp<android::gui::WindowInfoHandle> getFirstForegroundWindowHandle() const;
     bool isSlippery() const;
     sp<android::gui::WindowInfoHandle> getWallpaperWindow() const;
@@ -60,5 +66,3 @@
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H
diff --git a/services/inputflinger/dispatcher/TouchedWindow.h b/services/inputflinger/dispatcher/TouchedWindow.h
index 6783022..a6c505b 100644
--- a/services/inputflinger/dispatcher/TouchedWindow.h
+++ b/services/inputflinger/dispatcher/TouchedWindow.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
-#define _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
+#pragma once
 
 namespace android {
 
@@ -30,9 +29,11 @@
     sp<gui::WindowInfoHandle> windowHandle;
     int32_t targetFlags;
     BitSet32 pointerIds;
+    bool isPilferingPointers = false;
+    // Time at which the first action down occurred on this window.
+    // NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE scenario.
+    std::optional<nsecs_t> firstDownTimeInTarget;
 };
 
 } // namespace inputdispatcher
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_TOUCHEDWINDOW_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h b/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
index 00abf47..5eb3a32 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherConfiguration.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
+#pragma once
 
 #include <utils/Timers.h>
 
@@ -40,5 +39,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERCONFIGURATION_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherFactory.h b/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
index 38d0c32..5247d8e 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherFactory.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
+#pragma once
 
 #include <utils/StrongPointer.h>
 
@@ -29,5 +28,3 @@
         const sp<InputDispatcherPolicyInterface>& policy);
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERFACTORY_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 67fed8b..484b0d3 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -14,13 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
+#pragma once
 
 #include <InputListener.h>
 #include <android-base/result.h>
 #include <android/gui/FocusRequest.h>
-#include <android/os/BlockUntrustedTouchesMode.h>
+
 #include <android/os/InputEventInjectionResult.h>
 #include <android/os/InputEventInjectionSync.h>
 #include <gui/InputApplication.h>
@@ -132,7 +131,8 @@
      *
      * Returns true when changing touch mode state.
      */
-    virtual bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) = 0;
+    virtual bool setInTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission,
+                                int32_t displayId) = 0;
 
     /**
      * Sets the maximum allowed obscuring opacity by UID to propagate touches.
@@ -142,13 +142,6 @@
      */
     virtual void setMaximumObscuringOpacityForTouch(float opacity) = 0;
 
-    /**
-     * Sets the mode of the block untrusted touches feature.
-     *
-     * TODO(b/169067926): Clean-up feature modes.
-     */
-    virtual void setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode mode) = 0;
-
     /* Transfers touch focus from one window to another window.
      *
      * Returns true on success.  False if the window did not actually have touch focus.
@@ -232,5 +225,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERINTERFACE_H
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index 575b3d7..7843923 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
-#define _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
+#pragma once
 
 #include "InputDispatcherConfiguration.h"
 
@@ -75,9 +74,6 @@
                                       InputDeviceSensorAccuracy accuracy) = 0;
     virtual void notifyVibratorState(int32_t deviceId, bool isOn) = 0;
 
-    /* Notifies the system that an untrusted touch occurred. */
-    virtual void notifyUntrustedTouch(const std::string& obscuringPackage) = 0;
-
     /* Gets the input dispatcher configuration. */
     virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) = 0;
 
@@ -143,5 +139,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_INPUTDISPATCHER_INPUTDISPATCHERPOLICYINTERFACE_H
diff --git a/services/inputflinger/host/InputDriver.cpp b/services/inputflinger/host/InputDriver.cpp
index 2ebdbcf..97d57e4 100644
--- a/services/inputflinger/host/InputDriver.cpp
+++ b/services/inputflinger/host/InputDriver.cpp
@@ -240,19 +240,16 @@
     return nullptr;
 }
 
-input_property_t* InputDriver::inputGetDeviceProperty(input_property_map_t* map,
-        const char* key) {
-    String8 keyString(key);
+input_property_t* InputDriver::inputGetDeviceProperty(input_property_map_t* map, const char* key) {
     if (map != nullptr) {
-        if (map->propertyMap->hasProperty(keyString)) {
-            auto prop = new input_property_t();
-            if (!map->propertyMap->tryGetProperty(keyString, prop->value)) {
-                delete prop;
-                return nullptr;
-            }
-            prop->key = keyString;
-            return prop;
+        std::string value;
+        auto prop = std::make_unique<input_property_t>();
+        if (!map->propertyMap->tryGetProperty(key, value)) {
+            return nullptr;
         }
+        prop->key = key;
+        prop->value = value.c_str();
+        return prop.release();
     }
     return nullptr;
 }
diff --git a/services/inputflinger/host/InputDriver.h b/services/inputflinger/host/InputDriver.h
index e56673b..b4c9094 100644
--- a/services/inputflinger/host/InputDriver.h
+++ b/services/inputflinger/host/InputDriver.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_DRIVER_H
-#define ANDROID_INPUT_DRIVER_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -192,4 +191,3 @@
 }
 
 } // namespace android
-#endif // ANDROID_INPUT_DRIVER_H
diff --git a/services/inputflinger/host/InputFlinger.h b/services/inputflinger/host/InputFlinger.h
index 3cf1b2b..388988b 100644
--- a/services/inputflinger/host/InputFlinger.h
+++ b/services/inputflinger/host/InputFlinger.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_FLINGER_H
-#define ANDROID_INPUT_FLINGER_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -58,5 +57,3 @@
 };
 
 } // namespace android
-
-#endif // ANDROID_INPUT_FLINGER_H
diff --git a/services/inputflinger/host/InputHost.h b/services/inputflinger/host/InputHost.h
index eda4a89..bdc4225 100644
--- a/services/inputflinger/host/InputHost.h
+++ b/services/inputflinger/host/InputHost.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_INPUT_HOST_H
-#define ANDROID_INPUT_HOST_H
+#pragma once
 
 #include <vector>
 
@@ -55,4 +54,3 @@
 };
 
 } // namespace android
-#endif // ANDRIOD_INPUT_HOST_H
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index d9822ce..1bb1968 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -14,237 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_LISTENER_H
-#define _UI_INPUT_LISTENER_H
+#pragma once
 
 #include <vector>
 
 #include <input/Input.h>
 #include <input/InputDevice.h>
 #include <input/TouchVideoFrame.h>
+#include "NotifyArgs.h"
 
 namespace android {
 
-class InputListenerInterface;
-
-
-/* Superclass of all input event argument objects */
-struct NotifyArgs {
-    int32_t id;
-    nsecs_t eventTime;
-
-    inline NotifyArgs() : id(0), eventTime(0) {}
-
-    inline explicit NotifyArgs(int32_t id, nsecs_t eventTime) : id(id), eventTime(eventTime) {}
-
-    virtual ~NotifyArgs() { }
-
-    virtual void notify(InputListenerInterface& listener) const = 0;
-};
-
-
-/* Describes a configuration change event. */
-struct NotifyConfigurationChangedArgs : public NotifyArgs {
-
-    inline NotifyConfigurationChangedArgs() { }
-
-    bool operator==(const NotifyConfigurationChangedArgs& rhs) const;
-
-    NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime);
-
-    NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
-
-    virtual ~NotifyConfigurationChangedArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a key event. */
-struct NotifyKeyArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    int32_t displayId;
-    uint32_t policyFlags;
-    int32_t action;
-    int32_t flags;
-    int32_t keyCode;
-    int32_t scanCode;
-    int32_t metaState;
-    nsecs_t downTime;
-    nsecs_t readTime;
-
-    inline NotifyKeyArgs() { }
-
-    NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                  uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
-                  int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
-                  nsecs_t downTime);
-
-    bool operator==(const NotifyKeyArgs& rhs) const;
-
-    NotifyKeyArgs(const NotifyKeyArgs& other);
-
-    virtual ~NotifyKeyArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a motion event. */
-struct NotifyMotionArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    int32_t displayId;
-    uint32_t policyFlags;
-    int32_t action;
-    int32_t actionButton;
-    int32_t flags;
-    int32_t metaState;
-    int32_t buttonState;
-    /**
-     * Classification of the current touch gesture
-     */
-    MotionClassification classification;
-    int32_t edgeFlags;
-
-    uint32_t pointerCount;
-    PointerProperties pointerProperties[MAX_POINTERS];
-    PointerCoords pointerCoords[MAX_POINTERS];
-    float xPrecision;
-    float yPrecision;
-    /**
-     * Mouse cursor position when this event is reported relative to the origin of the specified
-     * display. Only valid if this is a mouse event (originates from a mouse or from a trackpad in
-     * gestures enabled mode.
-     */
-    float xCursorPosition;
-    float yCursorPosition;
-    nsecs_t downTime;
-    nsecs_t readTime;
-    std::vector<TouchVideoFrame> videoFrames;
-
-    inline NotifyMotionArgs() { }
-
-    NotifyMotionArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
-                     uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
-                     int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
-                     MotionClassification classification, int32_t edgeFlags, uint32_t pointerCount,
-                     const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
-                     float xPrecision, float yPrecision, float xCursorPosition,
-                     float yCursorPosition, nsecs_t downTime,
-                     const std::vector<TouchVideoFrame>& videoFrames);
-
-    NotifyMotionArgs(const NotifyMotionArgs& other);
-
-    virtual ~NotifyMotionArgs() { }
-
-    bool operator==(const NotifyMotionArgs& rhs) const;
-
-    void notify(InputListenerInterface& listener) const override;
-
-    std::string dump() const;
-};
-
-/* Describes a sensor event. */
-struct NotifySensorArgs : public NotifyArgs {
-    int32_t deviceId;
-    uint32_t source;
-    InputDeviceSensorType sensorType;
-    InputDeviceSensorAccuracy accuracy;
-    bool accuracyChanged;
-    nsecs_t hwTimestamp;
-    std::vector<float> values;
-
-    inline NotifySensorArgs() {}
-
-    NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
-                     InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
-                     bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
-
-    NotifySensorArgs(const NotifySensorArgs& other);
-
-    bool operator==(const NotifySensorArgs rhs) const;
-
-    ~NotifySensorArgs() override {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a switch event. */
-struct NotifySwitchArgs : public NotifyArgs {
-    uint32_t policyFlags;
-    uint32_t switchValues;
-    uint32_t switchMask;
-
-    inline NotifySwitchArgs() { }
-
-    NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags, uint32_t switchValues,
-                     uint32_t switchMask);
-
-    NotifySwitchArgs(const NotifySwitchArgs& other);
-
-    bool operator==(const NotifySwitchArgs rhs) const;
-
-    virtual ~NotifySwitchArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-
-/* Describes a device reset event, such as when a device is added,
- * reconfigured, or removed. */
-struct NotifyDeviceResetArgs : public NotifyArgs {
-    int32_t deviceId;
-
-    inline NotifyDeviceResetArgs() { }
-
-    NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId);
-
-    NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
-
-    bool operator==(const NotifyDeviceResetArgs& rhs) const;
-
-    virtual ~NotifyDeviceResetArgs() { }
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a change in the state of Pointer Capture. */
-struct NotifyPointerCaptureChangedArgs : public NotifyArgs {
-    // The sequence number of the Pointer Capture request, if enabled.
-    PointerCaptureRequest request;
-
-    inline NotifyPointerCaptureChangedArgs() {}
-
-    NotifyPointerCaptureChangedArgs(int32_t id, nsecs_t eventTime, const PointerCaptureRequest&);
-
-    NotifyPointerCaptureChangedArgs(const NotifyPointerCaptureChangedArgs& other);
-
-    bool operator==(const NotifyPointerCaptureChangedArgs& rhs) const;
-
-    virtual ~NotifyPointerCaptureChangedArgs() {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
-
-/* Describes a vibrator state event. */
-struct NotifyVibratorStateArgs : public NotifyArgs {
-    int32_t deviceId;
-    bool isOn;
-
-    inline NotifyVibratorStateArgs() {}
-
-    NotifyVibratorStateArgs(int32_t id, nsecs_t eventTIme, int32_t deviceId, bool isOn);
-
-    NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other);
-
-    bool operator==(const NotifyVibratorStateArgs rhs) const;
-
-    virtual ~NotifyVibratorStateArgs() {}
-
-    void notify(InputListenerInterface& listener) const override;
-};
+std::list<NotifyArgs>& operator+=(std::list<NotifyArgs>& keep, std::list<NotifyArgs>&& consume);
 
 /*
  * The interface used by the InputReader to notify the InputListener about input events.
@@ -264,6 +45,8 @@
     virtual void notifyVibratorState(const NotifyVibratorStateArgs* args) = 0;
     virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
     virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) = 0;
+
+    void notify(const NotifyArgs& args);
 };
 
 /*
@@ -288,9 +71,7 @@
 
 private:
     InputListenerInterface& mInnerListener;
-    std::vector<std::unique_ptr<NotifyArgs>> mArgsQueue;
+    std::vector<NotifyArgs> mArgsQueue;
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_LISTENER_H
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 41ecef3..cacb63c 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_READER_BASE_H
-#define _UI_INPUT_READER_BASE_H
+#pragma once
 
 #include <android/os/IInputConstants.h>
 #include <input/DisplayViewport.h>
@@ -95,7 +94,7 @@
 
     /* Determine whether physical keys exist for the given framework-domain key codes. */
     virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
-            size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
+                         const std::vector<int32_t>& keyCodes, uint8_t* outFlags) = 0;
 
     /* Requests that a reconfiguration of all input devices.
      * The changes flag is a bitfield that indicates what has changed and whether
@@ -114,6 +113,8 @@
     virtual std::optional<int32_t> getBatteryCapacity(int32_t deviceId) = 0;
     /* Get battery status of a particular input device. */
     virtual std::optional<int32_t> getBatteryStatus(int32_t deviceId) = 0;
+    /* Get the device path for the battery of an input device. */
+    virtual std::optional<std::string> getBatteryDevicePath(int32_t deviceId) = 0;
 
     virtual std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) = 0;
 
@@ -395,5 +396,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_READER_COMMON_H
diff --git a/services/inputflinger/include/InputThread.h b/services/inputflinger/include/InputThread.h
index 407365a..5e75027 100644
--- a/services/inputflinger/include/InputThread.h
+++ b/services/inputflinger/include/InputThread.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_THREAD_H
-#define _UI_INPUT_THREAD_H
+#pragma once
 
 #include <utils/Thread.h>
 
@@ -42,5 +41,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUT_THREAD_H
\ No newline at end of file
diff --git a/services/inputflinger/include/NotifyArgs.h b/services/inputflinger/include/NotifyArgs.h
new file mode 100644
index 0000000..f28dbf3
--- /dev/null
+++ b/services/inputflinger/include/NotifyArgs.h
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include <input/Input.h>
+#include <input/InputDevice.h>
+#include <input/TouchVideoFrame.h>
+
+namespace android {
+
+/* Describes a configuration change event. */
+struct NotifyConfigurationChangedArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    inline NotifyConfigurationChangedArgs() {}
+
+    NotifyConfigurationChangedArgs(int32_t id, nsecs_t eventTime);
+
+    bool operator==(const NotifyConfigurationChangedArgs& rhs) const = default;
+
+    NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other) = default;
+};
+
+/* Describes a key event. */
+struct NotifyKeyArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    int32_t displayId;
+    uint32_t policyFlags;
+    int32_t action;
+    int32_t flags;
+    int32_t keyCode;
+    int32_t scanCode;
+    int32_t metaState;
+    nsecs_t downTime;
+    nsecs_t readTime;
+
+    inline NotifyKeyArgs() {}
+
+    NotifyKeyArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                  uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
+                  int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
+                  nsecs_t downTime);
+
+    bool operator==(const NotifyKeyArgs& rhs) const = default;
+
+    NotifyKeyArgs(const NotifyKeyArgs& other) = default;
+};
+
+/* Describes a motion event. */
+struct NotifyMotionArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    int32_t displayId;
+    uint32_t policyFlags;
+    int32_t action;
+    int32_t actionButton;
+    int32_t flags;
+    int32_t metaState;
+    int32_t buttonState;
+    /**
+     * Classification of the current touch gesture
+     */
+    MotionClassification classification;
+    int32_t edgeFlags;
+
+    uint32_t pointerCount;
+    PointerProperties pointerProperties[MAX_POINTERS];
+    PointerCoords pointerCoords[MAX_POINTERS];
+    float xPrecision;
+    float yPrecision;
+    /**
+     * Mouse cursor position when this event is reported relative to the origin of the specified
+     * display. Only valid if this is a mouse event (originates from a mouse or from a trackpad in
+     * gestures enabled mode.
+     */
+    float xCursorPosition;
+    float yCursorPosition;
+    nsecs_t downTime;
+    nsecs_t readTime;
+    std::vector<TouchVideoFrame> videoFrames;
+
+    inline NotifyMotionArgs() {}
+
+    NotifyMotionArgs(int32_t id, nsecs_t eventTime, nsecs_t readTime, int32_t deviceId,
+                     uint32_t source, int32_t displayId, uint32_t policyFlags, int32_t action,
+                     int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+                     MotionClassification classification, int32_t edgeFlags, uint32_t pointerCount,
+                     const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
+                     float xPrecision, float yPrecision, float xCursorPosition,
+                     float yCursorPosition, nsecs_t downTime,
+                     const std::vector<TouchVideoFrame>& videoFrames);
+
+    NotifyMotionArgs(const NotifyMotionArgs& other);
+
+    bool operator==(const NotifyMotionArgs& rhs) const;
+
+    std::string dump() const;
+};
+
+/* Describes a sensor event. */
+struct NotifySensorArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    uint32_t source;
+    InputDeviceSensorType sensorType;
+    InputDeviceSensorAccuracy accuracy;
+    bool accuracyChanged;
+    nsecs_t hwTimestamp;
+    std::vector<float> values;
+
+    inline NotifySensorArgs() {}
+
+    NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+                     InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+                     bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
+
+    NotifySensorArgs(const NotifySensorArgs& other) = default;
+};
+
+/* Describes a switch event. */
+struct NotifySwitchArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    uint32_t policyFlags;
+    uint32_t switchValues;
+    uint32_t switchMask;
+
+    inline NotifySwitchArgs() {}
+
+    NotifySwitchArgs(int32_t id, nsecs_t eventTime, uint32_t policyFlags, uint32_t switchValues,
+                     uint32_t switchMask);
+
+    NotifySwitchArgs(const NotifySwitchArgs& other) = default;
+
+    bool operator==(const NotifySwitchArgs& rhs) const = default;
+};
+
+/* Describes a device reset event, such as when a device is added,
+ * reconfigured, or removed. */
+struct NotifyDeviceResetArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+
+    inline NotifyDeviceResetArgs() {}
+
+    NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId);
+
+    NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other) = default;
+
+    bool operator==(const NotifyDeviceResetArgs& rhs) const = default;
+};
+
+/* Describes a change in the state of Pointer Capture. */
+struct NotifyPointerCaptureChangedArgs {
+    // The sequence number of the Pointer Capture request, if enabled.
+    int32_t id;
+    nsecs_t eventTime;
+
+    PointerCaptureRequest request;
+
+    inline NotifyPointerCaptureChangedArgs() {}
+
+    NotifyPointerCaptureChangedArgs(int32_t id, nsecs_t eventTime, const PointerCaptureRequest&);
+
+    NotifyPointerCaptureChangedArgs(const NotifyPointerCaptureChangedArgs& other) = default;
+};
+
+/* Describes a vibrator state event. */
+struct NotifyVibratorStateArgs {
+    int32_t id;
+    nsecs_t eventTime;
+
+    int32_t deviceId;
+    bool isOn;
+
+    inline NotifyVibratorStateArgs() {}
+
+    NotifyVibratorStateArgs(int32_t id, nsecs_t eventTIme, int32_t deviceId, bool isOn);
+
+    NotifyVibratorStateArgs(const NotifyVibratorStateArgs& other) = default;
+};
+
+using NotifyArgs = std::variant<NotifyConfigurationChangedArgs, NotifyKeyArgs, NotifyMotionArgs,
+                                NotifySensorArgs, NotifySwitchArgs, NotifyDeviceResetArgs,
+                                NotifyPointerCaptureChangedArgs, NotifyVibratorStateArgs>;
+
+const char* toString(const NotifyArgs& args);
+
+} // namespace android
diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index db4228d..647e10c 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
-#define _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
+#pragma once
 
 #include <input/DisplayViewport.h>
 #include <input/Input.h>
@@ -108,5 +107,3 @@
 };
 
 } // namespace android
-
-#endif // _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
diff --git a/services/inputflinger/include/VibrationElement.h b/services/inputflinger/include/VibrationElement.h
index 736041e..04c2e39 100644
--- a/services/inputflinger/include/VibrationElement.h
+++ b/services/inputflinger/include/VibrationElement.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _VIBRATION_ELEMENT_H
-#define _VIBRATION_ELEMENT_H
+#pragma once
 
 #include <array>
 #include <chrono>
@@ -71,5 +70,3 @@
 };
 
 } // namespace android
-
-#endif // _VIBRATION_ELEMENT_H
diff --git a/services/inputflinger/reader/Android.bp b/services/inputflinger/reader/Android.bp
index 01146a3..0f87201 100644
--- a/services/inputflinger/reader/Android.bp
+++ b/services/inputflinger/reader/Android.bp
@@ -69,12 +69,12 @@
         "libinput",
         "liblog",
         "libstatslog",
-        "libui",
         "libutils",
         "libPlatformProperties",
     ],
     static_libs: [
         "libc++fs",
+        "libui-types",
     ],
     header_libs: [
         "libbatteryservice_headers",
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index 20baa42..ca7e426 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -52,6 +52,7 @@
 
 #include <filesystem>
 #include <regex>
+#include <utility>
 
 #include "EventHub.h"
 
@@ -60,6 +61,7 @@
 #define INDENT3 "      "
 
 using android::base::StringPrintf;
+using android::hardware::input::InputDeviceCountryCode;
 
 namespace android {
 
@@ -74,6 +76,8 @@
 static constexpr int32_t FF_STRONG_MAGNITUDE_CHANNEL_IDX = 0;
 static constexpr int32_t FF_WEAK_MAGNITUDE_CHANNEL_IDX = 1;
 
+static constexpr size_t EVENT_BUFFER_SIZE = 256;
+
 // Mapping for input battery class node IDs lookup.
 // https://www.kernel.org/doc/Documentation/power/power_supply_class.txt
 static const std::unordered_map<std::string, InputBatteryClass> BATTERY_CLASSES =
@@ -115,7 +119,8 @@
          {"brightness", InputLightClass::BRIGHTNESS},
          {"multi_index", InputLightClass::MULTI_INDEX},
          {"multi_intensity", InputLightClass::MULTI_INTENSITY},
-         {"max_brightness", InputLightClass::MAX_BRIGHTNESS}};
+         {"max_brightness", InputLightClass::MAX_BRIGHTNESS},
+         {"kbd_backlight", InputLightClass::KEYBOARD_BACKLIGHT}};
 
 // Mapping for input multicolor led class node names.
 // https://www.kernel.org/doc/html/latest/leds/leds-class-multicolor.html
@@ -193,8 +198,7 @@
 }
 
 /**
- * Returns the sysfs root path of the input device
- *
+ * Returns the sysfs root path of the input device.
  */
 static std::optional<std::filesystem::path> getSysfsRootPath(const char* devicePath) {
     std::error_code errorCode;
@@ -301,6 +305,112 @@
     return colors;
 }
 
+/**
+ * Read country code information exposed through the sysfs path.
+ */
+static InputDeviceCountryCode readCountryCodeLocked(const std::filesystem::path& sysfsRootPath) {
+    // Check the sysfs root path
+    int hidCountryCode = static_cast<int>(InputDeviceCountryCode::INVALID);
+    std::string str;
+    if (base::ReadFileToString(sysfsRootPath / "country", &str)) {
+        hidCountryCode = std::stoi(str, nullptr, 16);
+        LOG_ALWAYS_FATAL_IF(hidCountryCode > 35 || hidCountryCode < 0,
+                            "HID country code should be in range [0, 35]. Found country code "
+                            "to be %d",
+                            hidCountryCode);
+    }
+
+    return static_cast<InputDeviceCountryCode>(hidCountryCode);
+}
+
+/**
+ * Read information about batteries exposed through the sysfs path.
+ */
+static std::unordered_map<int32_t /*batteryId*/, RawBatteryInfo> readBatteryConfiguration(
+        const std::filesystem::path& sysfsRootPath) {
+    std::unordered_map<int32_t, RawBatteryInfo> batteryInfos;
+    int32_t nextBatteryId = 0;
+    // Check if device has any battery.
+    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::POWER_SUPPLY);
+    for (const auto& nodePath : paths) {
+        RawBatteryInfo info;
+        info.id = ++nextBatteryId;
+        info.path = nodePath;
+        info.name = nodePath.filename();
+
+        // Scan the path for all the files
+        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
+        const auto& files = allFilesInPath(nodePath);
+        for (const auto& file : files) {
+            const auto it = BATTERY_CLASSES.find(file.filename().string());
+            if (it != BATTERY_CLASSES.end()) {
+                info.flags |= it->second;
+            }
+        }
+        batteryInfos.insert_or_assign(info.id, info);
+        ALOGD("configureBatteryLocked rawBatteryId %d name %s", info.id, info.name.c_str());
+    }
+    return batteryInfos;
+}
+
+/**
+ *  Read information about lights exposed through the sysfs path.
+ */
+static std::unordered_map<int32_t /*lightId*/, RawLightInfo> readLightsConfiguration(
+        const std::filesystem::path& sysfsRootPath) {
+    std::unordered_map<int32_t, RawLightInfo> lightInfos;
+    int32_t nextLightId = 0;
+    // Check if device has any lights.
+    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::LEDS);
+    for (const auto& nodePath : paths) {
+        RawLightInfo info;
+        info.id = ++nextLightId;
+        info.path = nodePath;
+        info.name = nodePath.filename();
+        info.maxBrightness = std::nullopt;
+
+        // Light name should follow the naming pattern <name>:<color>:<function>
+        // Refer kernel docs /leds/leds-class.html for valid supported LED names.
+        std::regex indexPattern("([a-zA-Z0-9_.:]*:)?([a-zA-Z0-9_.]*):([a-zA-Z0-9_.]*)");
+        std::smatch results;
+
+        if (std::regex_match(info.name, results, indexPattern)) {
+            // regex_match will return full match at index 0 and <name> at index 1. For RawLightInfo
+            // we only care about sections <color> and <function> which will be at index 2 and 3.
+            for (int i = 2; i <= 3; i++) {
+                const auto it = LIGHT_CLASSES.find(results.str(i));
+                if (it != LIGHT_CLASSES.end()) {
+                    info.flags |= it->second;
+                }
+            }
+
+            // Set name of the raw light to <function> which represents playerIDs for LEDs that
+            // turn on/off based on the current player ID (Refer to PeripheralController.cpp for
+            // player ID logic)
+            info.name = results.str(3);
+        }
+        // Scan the path for all the files
+        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
+        const auto& files = allFilesInPath(nodePath);
+        for (const auto& file : files) {
+            const auto it = LIGHT_CLASSES.find(file.filename().string());
+            if (it != LIGHT_CLASSES.end()) {
+                info.flags |= it->second;
+                // If the node has maximum brightness, read it
+                if (it->second == InputLightClass::MAX_BRIGHTNESS) {
+                    std::string str;
+                    if (base::ReadFileToString(file, &str)) {
+                        info.maxBrightness = std::stoi(str);
+                    }
+                }
+            }
+        }
+        lightInfos.insert_or_assign(info.id, info);
+        ALOGD("configureLightsLocked rawLightId %d name %s", info.id, info.name.c_str());
+    }
+    return lightInfos;
+}
+
 // --- Global Functions ---
 
 ftl::Flags<InputDeviceClass> getAbsAxisUsage(int32_t axis,
@@ -357,18 +467,18 @@
 
 // --- EventHub::Device ---
 
-EventHub::Device::Device(int fd, int32_t id, const std::string& path,
-                         const InputDeviceIdentifier& identifier)
+EventHub::Device::Device(int fd, int32_t id, std::string path, InputDeviceIdentifier identifier,
+                         std::shared_ptr<const AssociatedDevice> assocDev)
       : fd(fd),
         id(id),
-        path(path),
-        identifier(identifier),
+        path(std::move(path)),
+        identifier(std::move(identifier)),
         classes(0),
         configuration(nullptr),
         virtualKeyMap(nullptr),
         ffEffectPlaying(false),
         ffEffectId(-1),
-        associatedDevice(nullptr),
+        associatedDevice(std::move(assocDev)),
         controllerNumber(0),
         enabled(true),
         isVirtual(fd < 0) {}
@@ -502,7 +612,7 @@
 bool EventHub::Device::isExternalDeviceLocked() {
     if (configuration) {
         bool value;
-        if (configuration->tryGetProperty(String8("device.internal"), value)) {
+        if (configuration->tryGetProperty("device.internal", value)) {
             return !value;
         }
     }
@@ -512,7 +622,7 @@
 bool EventHub::Device::deviceHasMicLocked() {
     if (configuration) {
         bool value;
-        if (configuration->tryGetProperty(String8("audio.mic"), value)) {
+        if (configuration->tryGetProperty("audio.mic", value)) {
             return value;
         }
     }
@@ -557,75 +667,6 @@
     return NAME_NOT_FOUND;
 }
 
-// Check the sysfs path for any input device batteries, returns true if battery found.
-bool EventHub::AssociatedDevice::configureBatteryLocked() {
-    nextBatteryId = 0;
-    // Check if device has any battery.
-    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::POWER_SUPPLY);
-    for (const auto& nodePath : paths) {
-        RawBatteryInfo info;
-        info.id = ++nextBatteryId;
-        info.path = nodePath;
-        info.name = nodePath.filename();
-
-        // Scan the path for all the files
-        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
-        const auto& files = allFilesInPath(nodePath);
-        for (const auto& file : files) {
-            const auto it = BATTERY_CLASSES.find(file.filename().string());
-            if (it != BATTERY_CLASSES.end()) {
-                info.flags |= it->second;
-            }
-        }
-        batteryInfos.insert_or_assign(info.id, info);
-        ALOGD("configureBatteryLocked rawBatteryId %d name %s", info.id, info.name.c_str());
-    }
-    return !batteryInfos.empty();
-}
-
-// Check the sysfs path for any input device lights, returns true if lights found.
-bool EventHub::AssociatedDevice::configureLightsLocked() {
-    nextLightId = 0;
-    // Check if device has any lights.
-    const auto& paths = findSysfsNodes(sysfsRootPath, SysfsClass::LEDS);
-    for (const auto& nodePath : paths) {
-        RawLightInfo info;
-        info.id = ++nextLightId;
-        info.path = nodePath;
-        info.name = nodePath.filename();
-        info.maxBrightness = std::nullopt;
-        size_t nameStart = info.name.rfind(":");
-        if (nameStart != std::string::npos) {
-            // Trim the name to color name
-            info.name = info.name.substr(nameStart + 1);
-            // Set InputLightClass flag for colors
-            const auto it = LIGHT_CLASSES.find(info.name);
-            if (it != LIGHT_CLASSES.end()) {
-                info.flags |= it->second;
-            }
-        }
-        // Scan the path for all the files
-        // Refer to https://www.kernel.org/doc/Documentation/leds/leds-class.txt
-        const auto& files = allFilesInPath(nodePath);
-        for (const auto& file : files) {
-            const auto it = LIGHT_CLASSES.find(file.filename().string());
-            if (it != LIGHT_CLASSES.end()) {
-                info.flags |= it->second;
-                // If the node has maximum brightness, read it
-                if (it->second == InputLightClass::MAX_BRIGHTNESS) {
-                    std::string str;
-                    if (base::ReadFileToString(file, &str)) {
-                        info.maxBrightness = std::stoi(str);
-                    }
-                }
-            }
-        }
-        lightInfos.insert_or_assign(info.id, info);
-        ALOGD("configureLightsLocked rawLightId %d name %s", info.id, info.name.c_str());
-    }
-    return !lightInfos.empty();
-}
-
 /**
  * Get the capabilities for the current process.
  * Crashes the system if unable to create / check / destroy the capabilities object.
@@ -687,6 +728,7 @@
     LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance: %s", strerror(errno));
 
     mINotifyFd = inotify_init1(IN_CLOEXEC);
+    LOG_ALWAYS_FATAL_IF(mINotifyFd < 0, "Could not create inotify instance: %s", strerror(errno));
 
     std::error_code errorCode;
     bool isDeviceInotifyAdded = false;
@@ -952,20 +994,20 @@
     return -1;
 }
 
-bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+bool EventHub::markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                      uint8_t* outFlags) const {
     std::scoped_lock _l(mLock);
 
     Device* device = getDeviceLocked(deviceId);
     if (device != nullptr && device->keyMap.haveKeyLayout()) {
-        for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
+        for (size_t codeIndex = 0; codeIndex < keyCodes.size(); codeIndex++) {
             std::vector<int32_t> scanCodes =
                     device->keyMap.keyLayoutMap->findScanCodesForKey(keyCodes[codeIndex]);
 
             // check the possible scan codes identified by the layout map against the
             // map of codes actually emitted by the driver
-            for (size_t sc = 0; sc < scanCodes.size(); sc++) {
-                if (device->keyBitmask.test(scanCodes[sc])) {
+            for (const int32_t scanCode : scanCodes) {
+                if (device->keyBitmask.test(scanCode)) {
                     outFlags[codeIndex] = 1;
                     break;
                 }
@@ -1033,7 +1075,7 @@
 }
 
 base::Result<std::pair<InputDeviceSensorType, int32_t>> EventHub::mapSensor(int32_t deviceId,
-                                                                            int32_t absCode) {
+                                                                            int32_t absCode) const {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
 
@@ -1055,18 +1097,19 @@
     return device->associatedDevice->batteryInfos;
 }
 
-const std::vector<int32_t> EventHub::getRawBatteryIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getRawBatteryIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> batteryIds;
 
-    for (const auto [id, info] : getBatteryInfoLocked(deviceId)) {
+    for (const auto& [id, info] : getBatteryInfoLocked(deviceId)) {
         batteryIds.push_back(id);
     }
 
     return batteryIds;
 }
 
-std::optional<RawBatteryInfo> EventHub::getRawBatteryInfo(int32_t deviceId, int32_t batteryId) {
+std::optional<RawBatteryInfo> EventHub::getRawBatteryInfo(int32_t deviceId,
+                                                          int32_t batteryId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getBatteryInfoLocked(deviceId);
@@ -1080,7 +1123,7 @@
 }
 
 // Gets the light info map from light ID to RawLightInfo of the miscellaneous device associated
-// with the deivice ID. Returns an empty map if no miscellaneous device found.
+// with the device ID. Returns an empty map if no miscellaneous device found.
 const std::unordered_map<int32_t, RawLightInfo>& EventHub::getLightInfoLocked(
         int32_t deviceId) const {
     static const std::unordered_map<int32_t, RawLightInfo> EMPTY_LIGHT_INFO = {};
@@ -1091,18 +1134,18 @@
     return device->associatedDevice->lightInfos;
 }
 
-const std::vector<int32_t> EventHub::getRawLightIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getRawLightIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> lightIds;
 
-    for (const auto [id, info] : getLightInfoLocked(deviceId)) {
+    for (const auto& [id, info] : getLightInfoLocked(deviceId)) {
         lightIds.push_back(id);
     }
 
     return lightIds;
 }
 
-std::optional<RawLightInfo> EventHub::getRawLightInfo(int32_t deviceId, int32_t lightId) {
+std::optional<RawLightInfo> EventHub::getRawLightInfo(int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1115,7 +1158,7 @@
     return std::nullopt;
 }
 
-std::optional<int32_t> EventHub::getLightBrightness(int32_t deviceId, int32_t lightId) {
+std::optional<int32_t> EventHub::getLightBrightness(int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1132,7 +1175,7 @@
 }
 
 std::optional<std::unordered_map<LightColor, int32_t>> EventHub::getLightIntensities(
-        int32_t deviceId, int32_t lightId) {
+        int32_t deviceId, int32_t lightId) const {
     std::scoped_lock _l(mLock);
 
     const auto infos = getLightInfoLocked(deviceId);
@@ -1228,6 +1271,15 @@
     }
 }
 
+InputDeviceCountryCode EventHub::getCountryCode(int32_t deviceId) const {
+    std::scoped_lock _l(mLock);
+    Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr || !device->associatedDevice) {
+        return InputDeviceCountryCode::INVALID;
+    }
+    return device->associatedDevice->countryCode;
+}
+
 void EventHub::setExcludedDevices(const std::vector<std::string>& devices) {
     std::scoped_lock _l(mLock);
 
@@ -1357,6 +1409,39 @@
           identifier.descriptor.c_str());
 }
 
+std::shared_ptr<const EventHub::AssociatedDevice> EventHub::obtainAssociatedDeviceLocked(
+        const std::filesystem::path& devicePath) const {
+    const std::optional<std::filesystem::path> sysfsRootPathOpt =
+            getSysfsRootPath(devicePath.c_str());
+    if (!sysfsRootPathOpt) {
+        return nullptr;
+    }
+
+    const auto& path = *sysfsRootPathOpt;
+
+    std::shared_ptr<const AssociatedDevice> associatedDevice = std::make_shared<AssociatedDevice>(
+            AssociatedDevice{.sysfsRootPath = path,
+                             .countryCode = readCountryCodeLocked(path),
+                             .batteryInfos = readBatteryConfiguration(path),
+                             .lightInfos = readLightsConfiguration(path)});
+
+    bool associatedDeviceChanged = false;
+    for (const auto& [id, dev] : mDevices) {
+        if (dev->associatedDevice && dev->associatedDevice->sysfsRootPath == path) {
+            if (*associatedDevice != *dev->associatedDevice) {
+                associatedDeviceChanged = true;
+                dev->associatedDevice = associatedDevice;
+            }
+            associatedDevice = dev->associatedDevice;
+        }
+    }
+    ALOGI_IF(associatedDeviceChanged,
+             "The AssociatedDevice changed for path '%s'. Using new AssociatedDevice: %s",
+             path.c_str(), associatedDevice->dump().c_str());
+
+    return associatedDevice;
+}
+
 void EventHub::vibrate(int32_t deviceId, const VibrationElement& element) {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
@@ -1414,7 +1499,7 @@
     }
 }
 
-std::vector<int32_t> EventHub::getVibratorIds(int32_t deviceId) {
+std::vector<int32_t> EventHub::getVibratorIds(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     std::vector<int32_t> vibrators;
     Device* device = getDeviceLocked(deviceId);
@@ -1495,7 +1580,7 @@
         // the lock to prevent event processing from being blocked by this call.
         std::scoped_lock _l(mLock);
 
-        const auto infos = getBatteryInfoLocked(deviceId);
+        const auto& infos = getBatteryInfoLocked(deviceId);
         auto it = infos.find(batteryId);
         if (it == infos.end()) {
             return std::nullopt;
@@ -1536,7 +1621,7 @@
         // the lock to prevent event processing from being blocked by this call.
         std::scoped_lock _l(mLock);
 
-        const auto infos = getBatteryInfoLocked(deviceId);
+        const auto& infos = getBatteryInfoLocked(deviceId);
         auto it = infos.find(batteryId);
         if (it == infos.end()) {
             return std::nullopt;
@@ -1561,15 +1646,12 @@
     return std::nullopt;
 }
 
-size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) {
-    ALOG_ASSERT(bufferSize >= 1);
-
+std::vector<RawEvent> EventHub::getEvents(int timeoutMillis) {
     std::scoped_lock _l(mLock);
 
-    struct input_event readBuffer[bufferSize];
+    std::array<input_event, EVENT_BUFFER_SIZE> readBuffer;
 
-    RawEvent* event = buffer;
-    size_t capacity = bufferSize;
+    std::vector<RawEvent> events;
     bool awoken = false;
     for (;;) {
         nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
@@ -1589,15 +1671,17 @@
         for (auto it = mClosingDevices.begin(); it != mClosingDevices.end();) {
             std::unique_ptr<Device> device = std::move(*it);
             ALOGV("Reporting device closed: id=%d, name=%s\n", device->id, device->path.c_str());
-            event->when = now;
-            event->deviceId = (device->id == mBuiltInKeyboardId)
+            const int32_t deviceId = (device->id == mBuiltInKeyboardId)
                     ? ReservedInputDeviceId::BUILT_IN_KEYBOARD_ID
                     : device->id;
-            event->type = DEVICE_REMOVED;
-            event += 1;
+            events.push_back({
+                    .when = now,
+                    .deviceId = deviceId,
+                    .type = DEVICE_REMOVED,
+            });
             it = mClosingDevices.erase(it);
             mNeedToSendFinishedDeviceScan = true;
-            if (--capacity == 0) {
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
@@ -1612,10 +1696,12 @@
             std::unique_ptr<Device> device = std::move(*mOpeningDevices.rbegin());
             mOpeningDevices.pop_back();
             ALOGV("Reporting device opened: id=%d, name=%s\n", device->id, device->path.c_str());
-            event->when = now;
-            event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
-            event->type = DEVICE_ADDED;
-            event += 1;
+            const int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+            events.push_back({
+                    .when = now,
+                    .deviceId = deviceId,
+                    .type = DEVICE_ADDED,
+            });
 
             // Try to find a matching video device by comparing device names
             for (auto it = mUnattachedVideoDevices.begin(); it != mUnattachedVideoDevices.end();
@@ -1633,17 +1719,18 @@
                 ALOGW("Device id %d exists, replaced.", device->id);
             }
             mNeedToSendFinishedDeviceScan = true;
-            if (--capacity == 0) {
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
 
         if (mNeedToSendFinishedDeviceScan) {
             mNeedToSendFinishedDeviceScan = false;
-            event->when = now;
-            event->type = FINISHED_DEVICE_SCAN;
-            event += 1;
-            if (--capacity == 0) {
+            events.push_back({
+                    .when = now,
+                    .type = FINISHED_DEVICE_SCAN,
+            });
+            if (events.size() == EVENT_BUFFER_SIZE) {
                 break;
             }
         }
@@ -1707,12 +1794,13 @@
             // This must be an input event
             if (eventItem.events & EPOLLIN) {
                 int32_t readSize =
-                        read(device->fd, readBuffer, sizeof(struct input_event) * capacity);
+                        read(device->fd, readBuffer.data(),
+                             sizeof(decltype(readBuffer)::value_type) * readBuffer.size());
                 if (readSize == 0 || (readSize < 0 && errno == ENODEV)) {
                     // Device was removed before INotify noticed.
                     ALOGW("could not get event, removed? (fd: %d size: %" PRId32
-                          " bufferSize: %zu capacity: %zu errno: %d)\n",
-                          device->fd, readSize, bufferSize, capacity, errno);
+                          " capacity: %zu errno: %d)\n",
+                          device->fd, readSize, readBuffer.size(), errno);
                     deviceChanged = true;
                     closeDeviceLocked(*device);
                 } else if (readSize < 0) {
@@ -1722,21 +1810,21 @@
                 } else if ((readSize % sizeof(struct input_event)) != 0) {
                     ALOGE("could not get event (wrong size: %d)", readSize);
                 } else {
-                    int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
+                    const int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id;
 
-                    size_t count = size_t(readSize) / sizeof(struct input_event);
+                    const size_t count = size_t(readSize) / sizeof(struct input_event);
                     for (size_t i = 0; i < count; i++) {
                         struct input_event& iev = readBuffer[i];
-                        event->when = processEventTimestamp(iev);
-                        event->readTime = systemTime(SYSTEM_TIME_MONOTONIC);
-                        event->deviceId = deviceId;
-                        event->type = iev.type;
-                        event->code = iev.code;
-                        event->value = iev.value;
-                        event += 1;
-                        capacity -= 1;
+                        events.push_back({
+                                .when = processEventTimestamp(iev),
+                                .readTime = systemTime(SYSTEM_TIME_MONOTONIC),
+                                .deviceId = deviceId,
+                                .type = iev.type,
+                                .code = iev.code,
+                                .value = iev.value,
+                        });
                     }
-                    if (capacity == 0) {
+                    if (events.size() >= EVENT_BUFFER_SIZE) {
                         // The result buffer is full.  Reset the pending event index
                         // so we will try to read the device again on the next iteration.
                         mPendingEventIndex -= 1;
@@ -1759,7 +1847,10 @@
         // before closing the devices.
         if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) {
             mPendingINotify = false;
-            readNotifyLocked();
+            const auto res = readNotifyLocked();
+            if (!res.ok()) {
+                ALOGW("Failed to read from inotify: %s", res.error().message().c_str());
+            }
             deviceChanged = true;
         }
 
@@ -1769,7 +1860,7 @@
         }
 
         // Return now if we have collected any events or if we were explicitly awoken.
-        if (event != buffer || awoken) {
+        if (!events.empty() || awoken) {
             break;
         }
 
@@ -1815,7 +1906,7 @@
     }
 
     // All done, return the number of events we read.
-    return event - buffer;
+    return events;
 }
 
 std::vector<TouchVideoFrame> EventHub::getVideoFrames(int32_t deviceId) {
@@ -2042,7 +2133,9 @@
 
     // Allocate device.  (The device object takes ownership of the fd at this point.)
     int32_t deviceId = mNextDeviceId++;
-    std::unique_ptr<Device> device = std::make_unique<Device>(fd, deviceId, devicePath, identifier);
+    std::unique_ptr<Device> device =
+            std::make_unique<Device>(fd, deviceId, devicePath, identifier,
+                                     obtainAssociatedDeviceLocked(devicePath));
 
     ALOGV("add device %d: %s\n", deviceId, devicePath.c_str());
     ALOGV("  bus:        %04x\n"
@@ -2060,27 +2153,6 @@
     // Load the configuration file for the device.
     device->loadConfigurationLocked();
 
-    bool hasBattery = false;
-    bool hasLights = false;
-    // Check the sysfs root path
-    std::optional<std::filesystem::path> sysfsRootPath = getSysfsRootPath(devicePath.c_str());
-    if (sysfsRootPath.has_value()) {
-        std::shared_ptr<AssociatedDevice> associatedDevice;
-        for (const auto& [id, dev] : mDevices) {
-            if (device->identifier.descriptor == dev->identifier.descriptor &&
-                !dev->associatedDevice) {
-                associatedDevice = dev->associatedDevice;
-            }
-        }
-        if (!associatedDevice) {
-            associatedDevice = std::make_shared<AssociatedDevice>(sysfsRootPath.value());
-        }
-        hasBattery = associatedDevice->configureBatteryLocked();
-        hasLights = associatedDevice->configureLightsLocked();
-
-        device->associatedDevice = associatedDevice;
-    }
-
     // Figure out the kinds of events the device reports.
     device->readDeviceBitMask(EVIOCGBIT(EV_KEY, 0), device->keyBitmask);
     device->readDeviceBitMask(EVIOCGBIT(EV_ABS, 0), device->absBitmask);
@@ -2108,10 +2180,9 @@
     }
 
     // See if this is a rotary encoder type device.
-    String8 deviceType = String8();
-    if (device->configuration &&
-        device->configuration->tryGetProperty(String8("device.type"), deviceType)) {
-        if (!deviceType.compare(String8("rotaryEncoder"))) {
+    std::string deviceType;
+    if (device->configuration && device->configuration->tryGetProperty("device.type", deviceType)) {
+        if (deviceType == "rotaryEncoder") {
             device->classes |= InputDeviceClass::ROTARY_ENCODER;
         }
     }
@@ -2231,12 +2302,12 @@
     }
 
     // Classify InputDeviceClass::BATTERY.
-    if (hasBattery) {
+    if (device->associatedDevice && !device->associatedDevice->batteryInfos.empty()) {
         device->classes |= InputDeviceClass::BATTERY;
     }
 
     // Classify InputDeviceClass::LIGHT.
-    if (hasLights) {
+    if (device->associatedDevice && !device->associatedDevice->lightInfos.empty()) {
         device->classes |= InputDeviceClass::LIGHT;
     }
 
@@ -2304,7 +2375,7 @@
     return true;
 }
 
-bool EventHub::isDeviceEnabled(int32_t deviceId) {
+bool EventHub::isDeviceEnabled(int32_t deviceId) const {
     std::scoped_lock _l(mLock);
     Device* device = getDeviceLocked(deviceId);
     if (device == nullptr) {
@@ -2359,7 +2430,7 @@
 
     std::unique_ptr<Device> device =
             std::make_unique<Device>(-1, ReservedInputDeviceId::VIRTUAL_KEYBOARD_ID, "<virtual>",
-                                     identifier);
+                                     identifier, nullptr /*associatedDevice*/);
     device->classes = InputDeviceClass::KEYBOARD | InputDeviceClass::ALPHAKEY |
             InputDeviceClass::DPAD | InputDeviceClass::VIRTUAL;
     device->loadKeyMapLocked();
@@ -2449,53 +2520,56 @@
     mDevices.erase(device.id);
 }
 
-status_t EventHub::readNotifyLocked() {
-    int res;
-    char event_buf[512];
-    int event_size;
-    int event_pos = 0;
-    struct inotify_event* event;
+base::Result<void> EventHub::readNotifyLocked() {
+    static constexpr auto EVENT_SIZE = static_cast<ssize_t>(sizeof(inotify_event));
+    uint8_t eventBuffer[512];
+    ssize_t sizeRead;
 
     ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd);
-    res = read(mINotifyFd, event_buf, sizeof(event_buf));
-    if (res < (int)sizeof(*event)) {
-        if (errno == EINTR) return 0;
-        ALOGW("could not get event, %s\n", strerror(errno));
-        return -1;
-    }
+    do {
+        sizeRead = read(mINotifyFd, eventBuffer, sizeof(eventBuffer));
+    } while (sizeRead < 0 && errno == EINTR);
 
-    while (res >= (int)sizeof(*event)) {
-        event = (struct inotify_event*)(event_buf + event_pos);
-        if (event->len) {
-            if (event->wd == mDeviceInputWd) {
-                std::string filename = std::string(DEVICE_INPUT_PATH) + "/" + event->name;
-                if (event->mask & IN_CREATE) {
-                    openDeviceLocked(filename);
-                } else {
-                    ALOGI("Removing device '%s' due to inotify event\n", filename.c_str());
-                    closeDeviceByPathLocked(filename);
-                }
-            } else if (event->wd == mDeviceWd) {
-                if (isV4lTouchNode(event->name)) {
-                    std::string filename = std::string(DEVICE_PATH) + "/" + event->name;
-                    if (event->mask & IN_CREATE) {
-                        openVideoDeviceLocked(filename);
-                    } else {
-                        ALOGI("Removing video device '%s' due to inotify event", filename.c_str());
-                        closeVideoDeviceByPathLocked(filename);
-                    }
-                } else if (strcmp(event->name, "input") == 0 && event->mask & IN_CREATE) {
-                    addDeviceInputInotify();
-                }
-            } else {
-                LOG_ALWAYS_FATAL("Unexpected inotify event, wd = %i", event->wd);
-            }
-        }
-        event_size = sizeof(*event) + event->len;
-        res -= event_size;
-        event_pos += event_size;
+    if (sizeRead < EVENT_SIZE) return Errorf("could not get event, %s", strerror(errno));
+
+    for (ssize_t eventPos = 0; sizeRead >= EVENT_SIZE;) {
+        const inotify_event* event;
+        event = (const inotify_event*)(eventBuffer + eventPos);
+        if (event->len == 0) continue;
+
+        handleNotifyEventLocked(*event);
+
+        const ssize_t eventSize = EVENT_SIZE + event->len;
+        sizeRead -= eventSize;
+        eventPos += eventSize;
     }
-    return 0;
+    return {};
+}
+
+void EventHub::handleNotifyEventLocked(const inotify_event& event) {
+    if (event.wd == mDeviceInputWd) {
+        std::string filename = std::string(DEVICE_INPUT_PATH) + "/" + event.name;
+        if (event.mask & IN_CREATE) {
+            openDeviceLocked(filename);
+        } else {
+            ALOGI("Removing device '%s' due to inotify event\n", filename.c_str());
+            closeDeviceByPathLocked(filename);
+        }
+    } else if (event.wd == mDeviceWd) {
+        if (isV4lTouchNode(event.name)) {
+            std::string filename = std::string(DEVICE_PATH) + "/" + event.name;
+            if (event.mask & IN_CREATE) {
+                openVideoDeviceLocked(filename);
+            } else {
+                ALOGI("Removing video device '%s' due to inotify event", filename.c_str());
+                closeVideoDeviceByPathLocked(filename);
+            }
+        } else if (strcmp(event.name, "input") == 0 && event.mask & IN_CREATE) {
+            addDeviceInputInotify();
+        }
+    } else {
+        LOG_ALWAYS_FATAL("Unexpected inotify event, wd = %i", event.wd);
+    }
 }
 
 status_t EventHub::scanDirLocked(const std::string& dirname) {
@@ -2525,7 +2599,7 @@
     mNeedToReopenDevices = true;
 }
 
-void EventHub::dump(std::string& dump) {
+void EventHub::dump(std::string& dump) const {
     dump += "Event Hub State:\n";
 
     { // acquire lock
@@ -2558,14 +2632,18 @@
                                  device->keyMap.keyLayoutFile.c_str());
             dump += StringPrintf(INDENT3 "KeyCharacterMapFile: %s\n",
                                  device->keyMap.keyCharacterMapFile.c_str());
+            dump += StringPrintf(INDENT3 "CountryCode: %d\n",
+                                 device->associatedDevice ? device->associatedDevice->countryCode
+                                                          : InputDeviceCountryCode::INVALID);
             dump += StringPrintf(INDENT3 "ConfigurationFile: %s\n",
                                  device->configurationFile.c_str());
-            dump += INDENT3 "VideoDevice: ";
-            if (device->videoDevice) {
-                dump += device->videoDevice->dump() + "\n";
-            } else {
-                dump += "<none>\n";
-            }
+            dump += StringPrintf(INDENT3 "VideoDevice: %s\n",
+                                 device->videoDevice ? device->videoDevice->dump().c_str()
+                                                     : "<none>");
+            dump += StringPrintf(INDENT3 "SysfsDevicePath: %s\n",
+                                 device->associatedDevice
+                                         ? device->associatedDevice->sysfsRootPath.c_str()
+                                         : "<none>");
         }
 
         dump += INDENT "Unattached video devices:\n";
@@ -2578,9 +2656,14 @@
     } // release lock
 }
 
-void EventHub::monitor() {
+void EventHub::monitor() const {
     // Acquire and release the lock to ensure that the event hub has not deadlocked.
     std::unique_lock<std::mutex> lock(mLock);
 }
 
-}; // namespace android
+std::string EventHub::AssociatedDevice::dump() const {
+    return StringPrintf("path=%s, numBatteries=%zu, numLight=%zu", sysfsRootPath.c_str(),
+                        batteryInfos.size(), lightInfos.size());
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 3f26aaa..5291776 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -35,6 +35,8 @@
 #include "SwitchInputMapper.h"
 #include "VibratorInputMapper.h"
 
+using android::hardware::input::InputDeviceCountryCode;
+
 namespace android {
 
 InputDevice::InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
@@ -63,7 +65,8 @@
     return enabled;
 }
 
-void InputDevice::setEnabled(bool enabled, nsecs_t when) {
+std::list<NotifyArgs> InputDevice::setEnabled(bool enabled, nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (enabled && mAssociatedDisplayPort && !mAssociatedViewport) {
         ALOGW("Cannot enable input device %s because it is associated with port %" PRIu8 ", "
               "but the corresponding viewport is not found",
@@ -72,7 +75,7 @@
     }
 
     if (isEnabled() == enabled) {
-        return;
+        return out;
     }
 
     // When resetting some devices, the driver needs to be queried to ensure that a proper reset is
@@ -80,13 +83,14 @@
     // but before disabling the device. See MultiTouchMotionAccumulator::reset for more information.
     if (enabled) {
         for_each_subdevice([](auto& context) { context.enableDevice(); });
-        reset(when);
+        out += reset(when);
     } else {
-        reset(when);
+        out += reset(when);
         for_each_subdevice([](auto& context) { context.disableDevice(); });
     }
     // Must change generation to flag this device as changed
     bumpGeneration();
+    return out;
 }
 
 void InputDevice::dump(std::string& dump, const std::string& eventHubDevStr) {
@@ -239,11 +243,13 @@
     mDevices.erase(eventHubId);
 }
 
-void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config,
-                            uint32_t changes) {
+std::list<NotifyArgs> InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config,
+                                             uint32_t changes) {
+    std::list<NotifyArgs> out;
     mSources = 0;
     mClasses = ftl::Flags<InputDeviceClass>(0);
     mControllerNumber = 0;
+    mCountryCode = InputDeviceCountryCode::INVALID;
 
     for_each_subdevice([this](InputDeviceContext& context) {
         mClasses |= context.getDeviceClasses();
@@ -255,6 +261,16 @@
             }
             mControllerNumber = controllerNumber;
         }
+
+        InputDeviceCountryCode countryCode = context.getCountryCode();
+        if (countryCode != InputDeviceCountryCode::INVALID) {
+            if (mCountryCode != InputDeviceCountryCode::INVALID && mCountryCode != countryCode) {
+                ALOGW("InputDevice::configure(): %s device contains multiple unique country "
+                      "codes",
+                      getName().c_str());
+            }
+            mCountryCode = countryCode;
+        }
     });
 
     mIsExternal = mClasses.test(InputDeviceClass::EXTERNAL);
@@ -300,7 +316,7 @@
         if (!changes || (changes & InputReaderConfiguration::CHANGE_ENABLED_STATE)) {
             auto it = config->disabledDevices.find(mId);
             bool enabled = it == config->disabledDevices.end();
-            setEnabled(enabled, when);
+            out += setEnabled(enabled, when);
         }
 
         if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
@@ -353,37 +369,42 @@
                 // For first-time configuration, only allow device to be disabled after mappers have
                 // finished configuring. This is because we need to read some of the properties from
                 // the device's open fd.
-                setEnabled(enabled, when);
+                out += setEnabled(enabled, when);
             }
         }
 
-        for_each_mapper([this, when, config, changes](InputMapper& mapper) {
-            mapper.configure(when, config, changes);
+        for_each_mapper([this, when, &config, changes, &out](InputMapper& mapper) {
+            out += mapper.configure(when, config, changes);
             mSources |= mapper.getSources();
         });
 
         // If a device is just plugged but it might be disabled, we need to update some info like
         // axis range of touch from each InputMapper first, then disable it.
         if (!changes) {
-            setEnabled(config->disabledDevices.find(mId) == config->disabledDevices.end(), when);
+            out += setEnabled(config->disabledDevices.find(mId) == config->disabledDevices.end(),
+                              when);
         }
     }
+    return out;
 }
 
-void InputDevice::reset(nsecs_t when) {
-    for_each_mapper([when](InputMapper& mapper) { mapper.reset(when); });
+std::list<NotifyArgs> InputDevice::reset(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.reset(when); });
 
     mContext->updateGlobalMetaState();
 
-    notifyReset(when);
+    out.push_back(notifyReset(when));
+    return out;
 }
 
-void InputDevice::process(const RawEvent* rawEvents, size_t count) {
+std::list<NotifyArgs> InputDevice::process(const RawEvent* rawEvents, size_t count) {
     // Process all of the events in order for each mapper.
     // We cannot simply ask each mapper to process them in bulk because mappers may
     // have side-effects that must be interleaved.  For example, joystick movement events and
     // gamepad button presses are handled by different mappers but they should be dispatched
     // in the order received.
+    std::list<NotifyArgs> out;
     for (const RawEvent* rawEvent = rawEvents; count != 0; rawEvent++) {
         if (DEBUG_RAW_EVENTS) {
             ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%" PRId64,
@@ -405,28 +426,33 @@
         } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_DROPPED) {
             ALOGI("Detected input event buffer overrun for device %s.", getName().c_str());
             mDropUntilNextSync = true;
-            reset(rawEvent->when);
+            out += reset(rawEvent->when);
         } else {
-            for_each_mapper_in_subdevice(rawEvent->deviceId, [rawEvent](InputMapper& mapper) {
-                mapper.process(rawEvent);
+            for_each_mapper_in_subdevice(rawEvent->deviceId, [&](InputMapper& mapper) {
+                out += mapper.process(rawEvent);
             });
         }
         --count;
     }
+    return out;
 }
 
-void InputDevice::timeoutExpired(nsecs_t when) {
-    for_each_mapper([when](InputMapper& mapper) { mapper.timeoutExpired(when); });
+std::list<NotifyArgs> InputDevice::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.timeoutExpired(when); });
+    return out;
 }
 
-void InputDevice::updateExternalStylusState(const StylusState& state) {
-    for_each_mapper([state](InputMapper& mapper) { mapper.updateExternalStylusState(state); });
+std::list<NotifyArgs> InputDevice::updateExternalStylusState(const StylusState& state) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.updateExternalStylusState(state); });
+    return out;
 }
 
 InputDeviceInfo InputDevice::getDeviceInfo() {
     InputDeviceInfo outDeviceInfo;
     outDeviceInfo.initialize(mId, mGeneration, mControllerNumber, mIdentifier, mAlias, mIsExternal,
-                             mHasMic);
+                             mHasMic, mCountryCode);
     for_each_mapper(
             [&outDeviceInfo](InputMapper& mapper) { mapper.populateDeviceInfo(&outDeviceInfo); });
 
@@ -470,12 +496,12 @@
     return result;
 }
 
-bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                        const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                        uint8_t* outFlags) {
     bool result = false;
-    for_each_mapper([&result, sourceMask, numCodes, keyCodes, outFlags](InputMapper& mapper) {
+    for_each_mapper([&result, sourceMask, keyCodes, outFlags](InputMapper& mapper) {
         if (sourcesMatchMask(mapper.getSources(), sourceMask)) {
-            result |= mapper.markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+            result |= mapper.markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
         }
     });
     return result;
@@ -498,14 +524,17 @@
     return *result;
 }
 
-void InputDevice::vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) {
-    for_each_mapper([sequence, repeat, token](InputMapper& mapper) {
-        mapper.vibrate(sequence, repeat, token);
-    });
+std::list<NotifyArgs> InputDevice::vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                           int32_t token) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.vibrate(sequence, repeat, token); });
+    return out;
 }
 
-void InputDevice::cancelVibrate(int32_t token) {
-    for_each_mapper([token](InputMapper& mapper) { mapper.cancelVibrate(token); });
+std::list<NotifyArgs> InputDevice::cancelVibrate(int32_t token) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.cancelVibrate(token); });
+    return out;
 }
 
 bool InputDevice::isVibrating() {
@@ -548,8 +577,10 @@
     for_each_mapper([sensorType](InputMapper& mapper) { mapper.flushSensor(sensorType); });
 }
 
-void InputDevice::cancelTouch(nsecs_t when, nsecs_t readTime) {
-    for_each_mapper([when, readTime](InputMapper& mapper) { mapper.cancelTouch(when, readTime); });
+std::list<NotifyArgs> InputDevice::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
+    for_each_mapper([&](InputMapper& mapper) { out += mapper.cancelTouch(when, readTime); });
+    return out;
 }
 
 bool InputDevice::setLightColor(int32_t lightId, int32_t color) {
@@ -588,9 +619,8 @@
     mGeneration = mContext->bumpGeneration();
 }
 
-void InputDevice::notifyReset(nsecs_t when) {
-    NotifyDeviceResetArgs args(mContext->getNextId(), when, mId);
-    mContext->getListener().notifyDeviceReset(&args);
+NotifyDeviceResetArgs InputDevice::notifyReset(nsecs_t when) {
+    return NotifyDeviceResetArgs(mContext->getNextId(), when, mId);
 }
 
 std::optional<int32_t> InputDevice::getAssociatedDisplayId() {
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 905b348..428e999 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -120,14 +120,14 @@
         }
     } // release lock
 
-    size_t count = mEventHub->getEvents(timeoutMillis, mEventBuffer, EVENT_BUFFER_SIZE);
+    std::vector<RawEvent> events = mEventHub->getEvents(timeoutMillis);
 
     { // acquire lock
         std::scoped_lock _l(mLock);
         mReaderIsAliveCondition.notify_all();
 
-        if (count) {
-            processEventsLocked(mEventBuffer, count);
+        if (!events.empty()) {
+            notifyAll(processEventsLocked(events.data(), events.size()));
         }
 
         if (mNextTimeout != LLONG_MAX) {
@@ -137,7 +137,7 @@
                     ALOGD("Timeout expired, latency=%0.3fms", (now - mNextTimeout) * 0.000001f);
                 }
                 mNextTimeout = LLONG_MAX;
-                timeoutExpiredLocked(now);
+                notifyAll(timeoutExpiredLocked(now));
             }
         }
 
@@ -162,7 +162,8 @@
     mQueuedListener.flush();
 }
 
-void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
+std::list<NotifyArgs> InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
+    std::list<NotifyArgs> out;
     for (const RawEvent* rawEvent = rawEvents; count;) {
         int32_t type = rawEvent->type;
         size_t batchSize = 1;
@@ -178,7 +179,7 @@
             if (DEBUG_RAW_EVENTS) {
                 ALOGD("BatchSize: %zu Count: %zu", batchSize, count);
             }
-            processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
+            out += processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
         } else {
             switch (rawEvent->type) {
                 case EventHubInterface::DEVICE_ADDED:
@@ -198,6 +199,7 @@
         count -= batchSize;
         rawEvent += batchSize;
     }
+    return out;
 }
 
 void InputReader::addDeviceLocked(nsecs_t when, int32_t eventHubId) {
@@ -208,8 +210,9 @@
 
     InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(eventHubId);
     std::shared_ptr<InputDevice> device = createDeviceLocked(eventHubId, identifier);
-    device->configure(when, &mConfig, 0);
-    device->reset(when);
+
+    notifyAll(device->configure(when, &mConfig, 0));
+    notifyAll(device->reset(when));
 
     if (device->isIgnored()) {
         ALOGI("Device added: id=%d, eventHubId=%d, name='%s', descriptor='%s' "
@@ -282,10 +285,12 @@
         notifyExternalStylusPresenceChangedLocked();
     }
 
+    std::list<NotifyArgs> resetEvents;
     if (device->hasEventHubDevices()) {
-        device->configure(when, &mConfig, 0);
+        resetEvents += device->configure(when, &mConfig, 0);
     }
-    device->reset(when);
+    resetEvents += device->reset(when);
+    notifyAll(std::move(resetEvents));
 }
 
 std::shared_ptr<InputDevice> InputReader::createDeviceLocked(
@@ -308,21 +313,22 @@
     return device;
 }
 
-void InputReader::processEventsForDeviceLocked(int32_t eventHubId, const RawEvent* rawEvents,
-                                               size_t count) {
+std::list<NotifyArgs> InputReader::processEventsForDeviceLocked(int32_t eventHubId,
+                                                                const RawEvent* rawEvents,
+                                                                size_t count) {
     auto deviceIt = mDevices.find(eventHubId);
     if (deviceIt == mDevices.end()) {
         ALOGW("Discarding event for unknown eventHubId %d.", eventHubId);
-        return;
+        return {};
     }
 
     std::shared_ptr<InputDevice>& device = deviceIt->second;
     if (device->isIgnored()) {
         // ALOGD("Discarding event for ignored deviceId %d.", deviceId);
-        return;
+        return {};
     }
 
-    device->process(rawEvents, count);
+    return device->process(rawEvents, count);
 }
 
 InputDevice* InputReader::findInputDeviceLocked(int32_t deviceId) const {
@@ -336,13 +342,15 @@
     return nullptr;
 }
 
-void InputReader::timeoutExpiredLocked(nsecs_t when) {
+std::list<NotifyArgs> InputReader::timeoutExpiredLocked(nsecs_t when) {
+    std::list<NotifyArgs> out;
     for (auto& devicePair : mDevices) {
         std::shared_ptr<InputDevice>& device = devicePair.second;
         if (!device->isIgnored()) {
-            device->timeoutExpired(when);
+            out += device->timeoutExpired(when);
         }
     }
+    return out;
 }
 
 int32_t InputReader::nextInputDeviceIdLocked() {
@@ -377,7 +385,7 @@
     } else {
         for (auto& devicePair : mDevices) {
             std::shared_ptr<InputDevice>& device = devicePair.second;
-            device->configure(now, &mConfig, changes);
+            notifyAll(device->configure(now, &mConfig, changes));
         }
     }
 
@@ -394,6 +402,12 @@
     }
 }
 
+void InputReader::notifyAll(std::list<NotifyArgs>&& argsList) {
+    for (const NotifyArgs& args : argsList) {
+        mQueuedListener.notify(args);
+    }
+}
+
 void InputReader::updateGlobalMetaStateLocked() {
     mGlobalMetaState = 0;
 
@@ -432,11 +446,13 @@
     }
 }
 
-void InputReader::dispatchExternalStylusStateLocked(const StylusState& state) {
+std::list<NotifyArgs> InputReader::dispatchExternalStylusStateLocked(const StylusState& state) {
+    std::list<NotifyArgs> out;
     for (auto& devicePair : mDevices) {
         std::shared_ptr<InputDevice>& device = devicePair.second;
-        device->updateExternalStylusState(state);
+        out += device->updateExternalStylusState(state);
     }
+    return out;
 }
 
 void InputReader::disableVirtualKeysUntilLocked(nsecs_t time) {
@@ -583,28 +599,28 @@
     device->updateMetaState(AKEYCODE_CAPS_LOCK);
 }
 
-bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
-                          const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
+                          const std::vector<int32_t>& keyCodes, uint8_t* outFlags) {
     std::scoped_lock _l(mLock);
 
-    memset(outFlags, 0, numCodes);
-    return markSupportedKeyCodesLocked(deviceId, sourceMask, numCodes, keyCodes, outFlags);
+    memset(outFlags, 0, keyCodes.size());
+    return markSupportedKeyCodesLocked(deviceId, sourceMask, keyCodes, outFlags);
 }
 
 bool InputReader::markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
-                                              size_t numCodes, const int32_t* keyCodes,
+                                              const std::vector<int32_t>& keyCodes,
                                               uint8_t* outFlags) {
     bool result = false;
     if (deviceId >= 0) {
         InputDevice* device = findInputDeviceLocked(deviceId);
         if (device && !device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
-            result = device->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+            result = device->markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
         }
     } else {
         for (auto& devicePair : mDevices) {
             std::shared_ptr<InputDevice>& device = devicePair.second;
             if (!device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
-                result |= device->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
+                result |= device->markSupportedKeyCodes(sourceMask, keyCodes, outFlags);
             }
         }
     }
@@ -642,7 +658,7 @@
 
     InputDevice* device = findInputDeviceLocked(deviceId);
     if (device) {
-        device->vibrate(sequence, repeat, token);
+        notifyAll(device->vibrate(sequence, repeat, token));
     }
 }
 
@@ -651,7 +667,7 @@
 
     InputDevice* device = findInputDeviceLocked(deviceId);
     if (device) {
-        device->cancelVibrate(token);
+        notifyAll(device->cancelVibrate(token));
     }
 }
 
@@ -721,7 +737,10 @@
 
     if (!eventHubId) return {};
     const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
-    if (batteryIds.empty()) return {};
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
     return mEventHub->getBatteryCapacity(*eventHubId, batteryIds.front());
 }
 
@@ -741,10 +760,35 @@
 
     if (!eventHubId) return {};
     const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
-    if (batteryIds.empty()) return {};
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
     return mEventHub->getBatteryStatus(*eventHubId, batteryIds.front());
 }
 
+std::optional<std::string> InputReader::getBatteryDevicePath(int32_t deviceId) {
+    std::scoped_lock _l(mLock);
+
+    InputDevice* device = findInputDeviceLocked(deviceId);
+    if (!device) return {};
+
+    std::optional<int32_t> eventHubId = device->getBatteryEventHubId();
+    if (!eventHubId) return {};
+    const auto batteryIds = mEventHub->getRawBatteryIds(*eventHubId);
+    if (batteryIds.empty()) {
+        ALOGW("%s: There are no battery ids for EventHub device %d", __func__, *eventHubId);
+        return {};
+    }
+    const auto batteryInfo = mEventHub->getRawBatteryInfo(*eventHubId, batteryIds.front());
+    if (!batteryInfo) {
+        ALOGW("%s: Failed to get RawBatteryInfo for battery %d of EventHub device %d", __func__,
+              batteryIds.front(), *eventHubId);
+        return {};
+    }
+    return batteryInfo->path;
+}
+
 std::vector<InputDeviceLightInfo> InputReader::getLights(int32_t deviceId) {
     std::scoped_lock _l(mLock);
 
@@ -987,18 +1031,15 @@
     mReader->getExternalStylusDevicesLocked(outDevices);
 }
 
-void InputReader::ContextImpl::dispatchExternalStylusState(const StylusState& state) {
-    mReader->dispatchExternalStylusStateLocked(state);
+std::list<NotifyArgs> InputReader::ContextImpl::dispatchExternalStylusState(
+        const StylusState& state) {
+    return mReader->dispatchExternalStylusStateLocked(state);
 }
 
 InputReaderPolicyInterface* InputReader::ContextImpl::getPolicy() {
     return mReader->mPolicy.get();
 }
 
-InputListenerInterface& InputReader::ContextImpl::getListener() {
-    return mReader->mQueuedListener;
-}
-
 EventHubInterface* InputReader::ContextImpl::getEventHub() {
     return mReader->mEventHub.get();
 }
diff --git a/services/inputflinger/reader/Macros.h b/services/inputflinger/reader/Macros.h
index d837689..e107d88 100644
--- a/services/inputflinger/reader/Macros.h
+++ b/services/inputflinger/reader/Macros.h
@@ -14,33 +14,70 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_MACROS_H
-#define _UI_INPUTREADER_MACROS_H
+#pragma once
 
 #define LOG_TAG "InputReader"
 
 //#define LOG_NDEBUG 0
+#include <log/log.h>
+#include <log/log_event_list.h>
 
-// Log debug messages for each raw event received from the EventHub.
-static constexpr bool DEBUG_RAW_EVENTS = false;
+namespace android {
+/**
+ * Log debug messages for each raw event received from the EventHub.
+ * Enable this via "adb shell setprop log.tag.InputReaderRawEvents DEBUG" (requires restart)
+ */
+const bool DEBUG_RAW_EVENTS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "RawEvents", ANDROID_LOG_INFO);
 
-// Log debug messages about virtual key processing.
-static constexpr bool DEBUG_VIRTUAL_KEYS = false;
+/**
+ * Log debug messages about virtual key processing.
+ * Enable this via "adb shell setprop log.tag.InputReaderVirtualKeys DEBUG" (requires restart)
+ */
+const bool DEBUG_VIRTUAL_KEYS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "VirtualKeys", ANDROID_LOG_INFO);
 
-// Log debug messages about pointers.
-static constexpr bool DEBUG_POINTERS = false;
+/**
+ * Log debug messages about pointers.
+ * Enable this via "adb shell setprop log.tag.InputReaderPointers DEBUG" (requires restart)
+ */
+const bool DEBUG_POINTERS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Pointers", ANDROID_LOG_INFO);
 
-// Log debug messages about pointer assignment calculations.
-static constexpr bool DEBUG_POINTER_ASSIGNMENT = false;
+/**
+ * Log debug messages about pointer assignment calculations.
+ * Enable this via "adb shell setprop log.tag.InputReaderPointerAssignment DEBUG" (requires restart)
+ */
+const bool DEBUG_POINTER_ASSIGNMENT =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "PointerAssignment", ANDROID_LOG_INFO);
+/**
+ * Log debug messages about gesture detection.
+ * Enable this via "adb shell setprop log.tag.InputReaderGestures DEBUG" (requires restart)
+ */
+const bool DEBUG_GESTURES =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Gestures", ANDROID_LOG_INFO);
 
-// Log debug messages about gesture detection.
-static constexpr bool DEBUG_GESTURES = false;
+/**
+ * Log debug messages about the vibrator.
+ * Enable this via "adb shell setprop log.tag.InputReaderVibrator DEBUG" (requires restart)
+ */
+const bool DEBUG_VIBRATOR =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Vibrator", ANDROID_LOG_INFO);
 
-// Log debug messages about the vibrator.
-static constexpr bool DEBUG_VIBRATOR = false;
+/**
+ * Log debug messages about fusing stylus data.
+ * Enable this via "adb shell setprop log.tag.InputReaderStylusFusion DEBUG" (requires restart)
+ */
+const bool DEBUG_STYLUS_FUSION =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "StylusFusion", ANDROID_LOG_INFO);
 
-// Log debug messages about fusing stylus data.
-static constexpr bool DEBUG_STYLUS_FUSION = false;
+/**
+ * Log detailed debug messages about input device lights.
+ * Enable this via "adb shell setprop log.tag.InputReaderLightDetails DEBUG" (requires restart)
+ */
+const bool DEBUG_LIGHT_DETAILS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "LightDetails", ANDROID_LOG_INFO);
+} // namespace android
 
 #define INDENT "  "
 #define INDENT2 "    "
@@ -77,5 +114,3 @@
 }
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_MACROS_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/controller/PeripheralController.cpp b/services/inputflinger/reader/controller/PeripheralController.cpp
index 8065f57..cedbacb 100644
--- a/services/inputflinger/reader/controller/PeripheralController.cpp
+++ b/services/inputflinger/reader/controller/PeripheralController.cpp
@@ -16,15 +16,13 @@
 
 #include <locale>
 #include <regex>
+#include <set>
 
 #include <ftl/enum.h>
 
 #include "../Macros.h"
 #include "PeripheralController.h"
 
-// Log detailed debug messages about input device lights.
-static constexpr bool DEBUG_LIGHT_DETAILS = false;
-
 namespace android {
 
 static inline int32_t getAlpha(int32_t color) {
@@ -73,7 +71,7 @@
 
     // If the light node doesn't have max brightness, use the default max brightness.
     int rawMaxBrightness = rawInfoOpt->maxBrightness.value_or(MAX_BRIGHTNESS);
-    float ratio = MAX_BRIGHTNESS / rawMaxBrightness;
+    float ratio = static_cast<float>(MAX_BRIGHTNESS) / rawMaxBrightness;
     // Scale the returned brightness in [0, rawMaxBrightness] to [0, 255]
     if (rawMaxBrightness != MAX_BRIGHTNESS) {
         brightness = brightness * ratio;
@@ -92,7 +90,7 @@
     }
     // If the light node doesn't have max brightness, use the default max brightness.
     int rawMaxBrightness = rawInfo->maxBrightness.value_or(MAX_BRIGHTNESS);
-    float ratio = MAX_BRIGHTNESS / rawMaxBrightness;
+    float ratio = static_cast<float>(MAX_BRIGHTNESS) / rawMaxBrightness;
     // Scale the requested brightness in [0, 255] to [0, rawMaxBrightness]
     if (rawMaxBrightness != MAX_BRIGHTNESS) {
         brightness = ceil(brightness / ratio);
@@ -274,7 +272,8 @@
 
     for (const auto& [lightId, light] : mLights) {
         // Input device light doesn't support ordinal, always pass 1.
-        InputDeviceLightInfo lightInfo(light->name, light->id, light->type, 1 /* ordinal */);
+        InputDeviceLightInfo lightInfo(light->name, light->id, light->type, light->capabilityFlags,
+                                       1 /* ordinal */);
         deviceInfo->addLightInfo(lightInfo);
     }
 }
@@ -287,6 +286,8 @@
             dump += StringPrintf(INDENT4 "Id: %d", lightId);
             dump += StringPrintf(INDENT4 "Name: %s", light->name.c_str());
             dump += StringPrintf(INDENT4 "Type: %s", ftl::enum_string(light->type).c_str());
+            dump += StringPrintf(INDENT4 "Capability flags: %s",
+                                 light->capabilityFlags.string().c_str());
             light->dump(dump);
         }
     }
@@ -366,6 +367,8 @@
     std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds;
     // Map from player Id to raw light Id
     std::unordered_map<int32_t, int32_t> playerIdLightIds;
+    // Set of Keyboard backlights
+    std::set<int32_t> keyboardBacklightIds;
 
     // Check raw lights
     const std::vector<int32_t> rawLightIds = getDeviceContext().getRawLightIds();
@@ -394,6 +397,10 @@
                 }
             }
         }
+        // Check if this is a Keyboard backlight
+        if (rawInfo->flags.test(InputLightClass::KEYBOARD_BACKLIGHT)) {
+            keyboardBacklightIds.insert(rawId);
+        }
         // Check if this is an LED of RGB light
         if (rawInfo->flags.test(InputLightClass::RED)) {
             hasRedLed = true;
@@ -434,8 +441,21 @@
             ALOGD("Rgb light ids [%d, %d, %d] \n", rawRgbIds.at(LightColor::RED),
                   rawRgbIds.at(LightColor::GREEN), rawRgbIds.at(LightColor::BLUE));
         }
+        bool isKeyboardBacklight = keyboardBacklightIds.find(rawRgbIds.at(LightColor::RED)) !=
+                        keyboardBacklightIds.end() &&
+                keyboardBacklightIds.find(rawRgbIds.at(LightColor::GREEN)) !=
+                        keyboardBacklightIds.end() &&
+                keyboardBacklightIds.find(rawRgbIds.at(LightColor::BLUE)) !=
+                        keyboardBacklightIds.end() &&
+                (!rawGlobalId.has_value() ||
+                 keyboardBacklightIds.find(rawGlobalId.value()) != keyboardBacklightIds.end());
+
         std::unique_ptr<Light> light =
-                std::make_unique<RgbLight>(getDeviceContext(), ++mNextId, rawRgbIds, rawGlobalId);
+                std::make_unique<RgbLight>(getDeviceContext(), ++mNextId,
+                                           isKeyboardBacklight
+                                                   ? InputDeviceLightType::KEYBOARD_BACKLIGHT
+                                                   : InputDeviceLightType::INPUT,
+                                           rawRgbIds, rawGlobalId);
         mLights.insert_or_assign(light->id, std::move(light));
         // Remove from raw light info as they've been composed a RBG light.
         rawInfos.erase(rawRgbIds.at(LightColor::RED));
@@ -448,6 +468,10 @@
 
     // Check the rest of raw light infos
     for (const auto& [rawId, rawInfo] : rawInfos) {
+        InputDeviceLightType type = keyboardBacklightIds.find(rawId) != keyboardBacklightIds.end()
+                ? InputDeviceLightType::KEYBOARD_BACKLIGHT
+                : InputDeviceLightType::INPUT;
+
         // If the node is multi-color led, construct a MULTI_COLOR light
         if (rawInfo.flags.test(InputLightClass::MULTI_INDEX) &&
             rawInfo.flags.test(InputLightClass::MULTI_INTENSITY)) {
@@ -456,7 +480,7 @@
             }
             std::unique_ptr<Light> light =
                     std::make_unique<MultiColorLight>(getDeviceContext(), rawInfo.name, ++mNextId,
-                                                      rawInfo.id);
+                                                      type, rawInfo.id);
             mLights.insert_or_assign(light->id, std::move(light));
             continue;
         }
@@ -465,7 +489,7 @@
             ALOGD("Mono light Id %d name %s \n", rawInfo.id, rawInfo.name.c_str());
         }
         std::unique_ptr<Light> light = std::make_unique<MonoLight>(getDeviceContext(), rawInfo.name,
-                                                                   ++mNextId, rawInfo.id);
+                                                                   ++mNextId, type, rawInfo.id);
 
         mLights.insert_or_assign(light->id, std::move(light));
     }
diff --git a/services/inputflinger/reader/controller/PeripheralController.h b/services/inputflinger/reader/controller/PeripheralController.h
index ac951eb..8ac42c3 100644
--- a/services/inputflinger/reader/controller/PeripheralController.h
+++ b/services/inputflinger/reader/controller/PeripheralController.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_LIGHT_CONTROLLER_H
-#define _UI_INPUTREADER_LIGHT_CONTROLLER_H
+#pragma once
 
 #include "PeripheralControllerInterface.h"
 
@@ -68,6 +67,7 @@
         std::string name;
         int32_t id;
         InputDeviceLightType type;
+        ftl::Flags<InputDeviceLightCapability> capabilityFlags;
 
         virtual bool setLightColor(int32_t color) { return false; }
         virtual std::optional<int32_t> getLightColor() { return std::nullopt; }
@@ -82,8 +82,10 @@
 
     struct MonoLight : public Light {
         explicit MonoLight(InputDeviceContext& context, const std::string& name, int32_t id,
-                           int32_t rawId)
-              : Light(context, name, id, InputDeviceLightType::MONO), rawId(rawId) {}
+                           InputDeviceLightType type, int32_t rawId)
+              : Light(context, name, id, type), rawId(rawId) {
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+        }
         int32_t rawId;
 
         bool setLightColor(int32_t color) override;
@@ -92,15 +94,15 @@
     };
 
     struct RgbLight : public Light {
-        explicit RgbLight(InputDeviceContext& context, int32_t id,
+        explicit RgbLight(InputDeviceContext& context, int32_t id, InputDeviceLightType type,
                           const std::unordered_map<LightColor, int32_t>& rawRgbIds,
                           std::optional<int32_t> rawGlobalId)
-              : Light(context, "RGB", id, InputDeviceLightType::RGB),
-                rawRgbIds(rawRgbIds),
-                rawGlobalId(rawGlobalId) {
+              : Light(context, "RGB", id, type), rawRgbIds(rawRgbIds), rawGlobalId(rawGlobalId) {
             brightness = rawGlobalId.has_value()
                     ? getRawLightBrightness(rawGlobalId.value()).value_or(MAX_BRIGHTNESS)
                     : MAX_BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::RGB;
         }
         // Map from color to raw light id.
         std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds;
@@ -115,8 +117,11 @@
 
     struct MultiColorLight : public Light {
         explicit MultiColorLight(InputDeviceContext& context, const std::string& name, int32_t id,
-                                 int32_t rawId)
-              : Light(context, name, id, InputDeviceLightType::MULTI_COLOR), rawId(rawId) {}
+                                 InputDeviceLightType type, int32_t rawId)
+              : Light(context, name, id, type), rawId(rawId) {
+            capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
+            capabilityFlags |= InputDeviceLightCapability::RGB;
+        }
         int32_t rawId;
 
         bool setLightColor(int32_t color) override;
@@ -132,7 +137,7 @@
         // Map from player Id to raw light Id
         std::unordered_map<int32_t, int32_t> rawLightIds;
 
-        bool setLightPlayerId(int32_t palyerId) override;
+        bool setLightPlayerId(int32_t playerId) override;
         std::optional<int32_t> getLightPlayerId() override;
         void dump(std::string& dump) override;
     };
@@ -150,5 +155,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_LIGHT_CONTROLLER_H
diff --git a/services/inputflinger/reader/controller/PeripheralControllerInterface.h b/services/inputflinger/reader/controller/PeripheralControllerInterface.h
index 306e361..76ed1ca 100644
--- a/services/inputflinger/reader/controller/PeripheralControllerInterface.h
+++ b/services/inputflinger/reader/controller/PeripheralControllerInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_CONTROLLER_H
-#define _UI_INPUTREADER_INPUT_CONTROLLER_H
+#pragma once
 
 #include "EventHub.h"
 #include "InputDevice.h"
@@ -50,5 +49,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_CONTROLLER_H
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 54c6810..6933ec7 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _RUNTIME_EVENT_HUB_H
-#define _RUNTIME_EVENT_HUB_H
+#pragma once
 
 #include <bitset>
 #include <climits>
 #include <filesystem>
 #include <unordered_map>
+#include <utility>
 #include <vector>
 
 #include <batteryservice/BatteryService.h>
@@ -36,13 +36,15 @@
 #include <sys/epoll.h>
 #include <utils/BitSet.h>
 #include <utils/Errors.h>
-#include <utils/KeyedVector.h>
 #include <utils/List.h>
 #include <utils/Log.h>
 #include <utils/Mutex.h>
 
 #include "TouchVideoDevice.h"
 #include "VibrationElement.h"
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
+struct inotify_event;
 
 namespace android {
 
@@ -172,6 +174,8 @@
     MULTI_INTENSITY = 0x00000040,
     /* The input light has max brightness node. */
     MAX_BRIGHTNESS = 0x00000080,
+    /* The input light has kbd_backlight name */
+    KEYBOARD_BACKLIGHT = 0x00000100,
 };
 
 enum class InputBatteryClass : uint32_t {
@@ -191,6 +195,9 @@
     ftl::Flags<InputLightClass> flags;
     std::array<int32_t, COLOR_NUM> rgbIndex;
     std::filesystem::path path;
+
+    bool operator==(const RawLightInfo&) const = default;
+    bool operator!=(const RawLightInfo&) const = default;
 };
 
 /* Describes a raw battery. */
@@ -199,6 +206,9 @@
     std::string name;
     ftl::Flags<InputBatteryClass> flags;
     std::filesystem::path path;
+
+    bool operator==(const RawBatteryInfo&) const = default;
+    bool operator!=(const RawBatteryInfo&) const = default;
 };
 
 /*
@@ -278,29 +288,30 @@
      *
      * Returns the number of events obtained, or 0 if the timeout expired.
      */
-    virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
+    virtual std::vector<RawEvent> getEvents(int timeoutMillis) = 0;
     virtual std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) = 0;
-    virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
-                                                                              int32_t absCode) = 0;
+    virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const = 0;
     // Raw batteries are sysfs power_supply nodes we found from the EventHub device sysfs node,
     // containing the raw info of the sysfs node structure.
-    virtual const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) = 0;
+    virtual std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const = 0;
     virtual std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
-                                                            int32_t BatteryId) = 0;
+                                                            int32_t BatteryId) const = 0;
 
     // Raw lights are sysfs led light nodes we found from the EventHub device sysfs node,
     // containing the raw info of the sysfs node structure.
-    virtual const std::vector<int32_t> getRawLightIds(int32_t deviceId) = 0;
-    virtual std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) = 0;
-    virtual std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) = 0;
+    virtual std::vector<int32_t> getRawLightIds(int32_t deviceId) const = 0;
+    virtual std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId,
+                                                        int32_t lightId) const = 0;
+    virtual std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const = 0;
     virtual void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) = 0;
     virtual std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) = 0;
+            int32_t deviceId, int32_t lightId) const = 0;
     virtual void setLightIntensities(int32_t deviceId, int32_t lightId,
                                      std::unordered_map<LightColor, int32_t> intensities) = 0;
-    /*
-     * Query current input state.
-     */
+    /* Query Country code associated with the input device. */
+    virtual hardware::input::InputDeviceCountryCode getCountryCode(int32_t deviceId) const = 0;
+    /* Query current input state. */
     virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0;
     virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0;
     virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0;
@@ -311,7 +322,7 @@
     /*
      * Examine key input devices for specific framework keycode support
      */
-    virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+    virtual bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                        uint8_t* outFlags) const = 0;
 
     virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const = 0;
@@ -331,7 +342,7 @@
     /* Control the vibrator. */
     virtual void vibrate(int32_t deviceId, const VibrationElement& effect) = 0;
     virtual void cancelVibrate(int32_t deviceId) = 0;
-    virtual std::vector<int32_t> getVibratorIds(int32_t deviceId) = 0;
+    virtual std::vector<int32_t> getVibratorIds(int32_t deviceId) const = 0;
 
     /* Query battery level. */
     virtual std::optional<int32_t> getBatteryCapacity(int32_t deviceId,
@@ -347,13 +358,13 @@
     virtual void wake() = 0;
 
     /* Dump EventHub state to a string. */
-    virtual void dump(std::string& dump) = 0;
+    virtual void dump(std::string& dump) const = 0;
 
     /* Called by the heatbeat to ensures that the reader has not deadlocked. */
-    virtual void monitor() = 0;
+    virtual void monitor() const = 0;
 
     /* Return true if the device is enabled. */
-    virtual bool isDeviceEnabled(int32_t deviceId) = 0;
+    virtual bool isDeviceEnabled(int32_t deviceId) const = 0;
 
     /* Enable an input device */
     virtual status_t enableDevice(int32_t deviceId) = 0;
@@ -461,23 +472,27 @@
                      AxisInfo* outAxisInfo) const override final;
 
     base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
-            int32_t deviceId, int32_t absCode) override final;
+            int32_t deviceId, int32_t absCode) const override final;
 
-    const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) override final;
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override final;
     std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
-                                                    int32_t BatteryId) override final;
+                                                    int32_t BatteryId) const override final;
 
-    const std::vector<int32_t> getRawLightIds(int32_t deviceId) override final;
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override final;
 
-    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) override final;
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId,
+                                                int32_t lightId) const override final;
 
-    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) override final;
+    std::optional<int32_t> getLightBrightness(int32_t deviceId,
+                                              int32_t lightId) const override final;
     void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override final;
     std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) override final;
+            int32_t deviceId, int32_t lightId) const override final;
     void setLightIntensities(int32_t deviceId, int32_t lightId,
                              std::unordered_map<LightColor, int32_t> intensities) override final;
 
+    hardware::input::InputDeviceCountryCode getCountryCode(int32_t deviceId) const override final;
+
     void setExcludedDevices(const std::vector<std::string>& devices) override final;
 
     int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override final;
@@ -488,10 +503,10 @@
     status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
                                   int32_t* outValue) const override final;
 
-    bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) const override final;
 
-    size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) override final;
+    std::vector<RawEvent> getEvents(int timeoutMillis) override final;
     std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override final;
 
     bool hasScanCode(int32_t deviceId, int32_t scanCode) const override final;
@@ -510,15 +525,15 @@
 
     void vibrate(int32_t deviceId, const VibrationElement& effect) override final;
     void cancelVibrate(int32_t deviceId) override final;
-    std::vector<int32_t> getVibratorIds(int32_t deviceId) override final;
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override final;
 
     void requestReopenDevices() override final;
 
     void wake() override final;
 
-    void dump(std::string& dump) override final;
+    void dump(std::string& dump) const override final;
 
-    void monitor() override final;
+    void monitor() const override final;
 
     std::optional<int32_t> getBatteryCapacity(int32_t deviceId,
                                               int32_t batteryId) const override final;
@@ -526,7 +541,7 @@
     std::optional<int32_t> getBatteryStatus(int32_t deviceId,
                                             int32_t batteryId) const override final;
 
-    bool isDeviceEnabled(int32_t deviceId) override final;
+    bool isDeviceEnabled(int32_t deviceId) const override final;
 
     status_t enableDevice(int32_t deviceId) override final;
 
@@ -535,20 +550,17 @@
     ~EventHub() override;
 
 private:
+    // Holds information about the sysfs device associated with the Device.
     struct AssociatedDevice {
-        // The device descriptor from evdev device the misc device associated with.
-        std::string descriptor;
         // The sysfs root path of the misc device.
         std::filesystem::path sysfsRootPath;
+        hardware::input::InputDeviceCountryCode countryCode;
+        std::unordered_map<int32_t /*batteryId*/, RawBatteryInfo> batteryInfos;
+        std::unordered_map<int32_t /*lightId*/, RawLightInfo> lightInfos;
 
-        int32_t nextBatteryId;
-        int32_t nextLightId;
-        std::unordered_map<int32_t, RawBatteryInfo> batteryInfos;
-        std::unordered_map<int32_t, RawLightInfo> lightInfos;
-        explicit AssociatedDevice(std::filesystem::path sysfsRootPath)
-              : sysfsRootPath(sysfsRootPath), nextBatteryId(0), nextLightId(0) {}
-        bool configureBatteryLocked();
-        bool configureLightsLocked();
+        bool operator==(const AssociatedDevice&) const = default;
+        bool operator!=(const AssociatedDevice&) const = default;
+        std::string dump() const;
     };
 
     struct Device {
@@ -581,13 +593,13 @@
         int16_t ffEffectId; // initially -1
 
         // A shared_ptr of a device associated with the input device.
-        // The input devices with same descriptor has the same associated device.
-        std::shared_ptr<AssociatedDevice> associatedDevice;
+        // The input devices that have the same sysfs path have the same associated device.
+        std::shared_ptr<const AssociatedDevice> associatedDevice;
 
         int32_t controllerNumber;
 
-        Device(int fd, int32_t id, const std::string& path,
-               const InputDeviceIdentifier& identifier);
+        Device(int fd, int32_t id, std::string path, InputDeviceIdentifier identifier,
+               std::shared_ptr<const AssociatedDevice> assocDev);
         ~Device();
 
         void close();
@@ -632,6 +644,8 @@
     void createVirtualKeyboardLocked() REQUIRES(mLock);
     void addDeviceLocked(std::unique_ptr<Device> device) REQUIRES(mLock);
     void assignDescriptorLocked(InputDeviceIdentifier& identifier) REQUIRES(mLock);
+    std::shared_ptr<const AssociatedDevice> obtainAssociatedDeviceLocked(
+            const std::filesystem::path& devicePath) const REQUIRES(mLock);
 
     void closeDeviceByPathLocked(const std::string& devicePath) REQUIRES(mLock);
     void closeVideoDeviceByPathLocked(const std::string& devicePath) REQUIRES(mLock);
@@ -648,7 +662,8 @@
     status_t scanDirLocked(const std::string& dirname) REQUIRES(mLock);
     status_t scanVideoDirLocked(const std::string& dirname) REQUIRES(mLock);
     void scanDevicesLocked() REQUIRES(mLock);
-    status_t readNotifyLocked() REQUIRES(mLock);
+    base::Result<void> readNotifyLocked() REQUIRES(mLock);
+    void handleNotifyEventLocked(const inotify_event&) REQUIRES(mLock);
 
     Device* getDeviceLocked(int32_t deviceId) const REQUIRES(mLock);
     Device* getDeviceByPathLocked(const std::string& devicePath) const REQUIRES(mLock);
@@ -728,5 +743,3 @@
 };
 
 } // namespace android
-
-#endif // _RUNTIME_EVENT_HUB_H
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index b3a24af..afb1bed 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_DEVICE_H
-#define _UI_INPUTREADER_INPUT_DEVICE_H
+#pragma once
 
 #include <ftl/flags.h>
 #include <input/DisplayViewport.h>
@@ -30,6 +29,7 @@
 #include "EventHub.h"
 #include "InputReaderBase.h"
 #include "InputReaderContext.h"
+#include "NotifyArgs.h"
 
 namespace android {
 
@@ -70,29 +70,32 @@
     inline bool isIgnored() { return !getMapperCount(); }
 
     bool isEnabled();
-    void setEnabled(bool enabled, nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> setEnabled(bool enabled, nsecs_t when);
 
     void dump(std::string& dump, const std::string& eventHubDevStr);
     void addEventHubDevice(int32_t eventHubId, bool populateMappers = true);
     void removeEventHubDevice(int32_t eventHubId);
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    void reset(nsecs_t when);
-    void process(const RawEvent* rawEvents, size_t count);
-    void timeoutExpired(nsecs_t when);
-    void updateExternalStylusState(const StylusState& state);
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes);
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvents, size_t count);
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> updateExternalStylusState(const StylusState& state);
 
     InputDeviceInfo getDeviceInfo();
     int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
     int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
     int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
     int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const;
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags);
-    void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token);
-    void cancelVibrate(int32_t token);
+    [[nodiscard]] std::list<NotifyArgs> vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                                int32_t token);
+    [[nodiscard]] std::list<NotifyArgs> cancelVibrate(int32_t token);
     bool isVibrating();
     std::vector<int32_t> getVibratorIds();
-    void cancelTouch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime);
     bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
                       std::chrono::microseconds maxBatchReportLatency);
     void disableSensor(InputDeviceSensorType sensorType);
@@ -110,7 +113,7 @@
 
     void bumpGeneration();
 
-    void notifyReset(nsecs_t when);
+    [[nodiscard]] NotifyDeviceResetArgs notifyReset(nsecs_t when);
 
     inline const PropertyMap& getConfiguration() { return mConfiguration; }
     inline EventHubInterface* getEventHub() { return mContext->getEventHub(); }
@@ -155,6 +158,7 @@
     int32_t mId;
     int32_t mGeneration;
     int32_t mControllerNumber;
+    hardware::input::InputDeviceCountryCode mCountryCode;
     InputDeviceIdentifier mIdentifier;
     std::string mAlias;
     ftl::Flags<InputDeviceClass> mClasses;
@@ -308,6 +312,9 @@
     }
 
     inline std::vector<TouchVideoFrame> getVideoFrames() { return mEventHub->getVideoFrames(mId); }
+    inline hardware::input::InputDeviceCountryCode getCountryCode() const {
+        return mEventHub->getCountryCode(mId);
+    }
     inline int32_t getScanCodeState(int32_t scanCode) const {
         return mEventHub->getScanCodeState(mId, scanCode);
     }
@@ -321,9 +328,9 @@
     inline status_t getAbsoluteAxisValue(int32_t code, int32_t* outValue) const {
         return mEventHub->getAbsoluteAxisValue(mId, code, outValue);
     }
-    inline bool markSupportedKeyCodes(size_t numCodes, const int32_t* keyCodes,
+    inline bool markSupportedKeyCodes(const std::vector<int32_t>& keyCodes,
                                       uint8_t* outFlags) const {
-        return mEventHub->markSupportedKeyCodes(mId, numCodes, keyCodes, outFlags);
+        return mEventHub->markSupportedKeyCodes(mId, keyCodes, outFlags);
     }
     inline bool hasScanCode(int32_t scanCode) const {
         return mEventHub->hasScanCode(mId, scanCode);
@@ -392,7 +399,9 @@
     inline std::optional<DisplayViewport> getAssociatedViewport() const {
         return mDevice.getAssociatedViewport();
     }
-    inline void cancelTouch(nsecs_t when, nsecs_t readTime) { mDevice.cancelTouch(when, readTime); }
+    [[nodiscard]] inline std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime) {
+        return mDevice.cancelTouch(when, readTime);
+    }
     inline void bumpGeneration() { mDevice.bumpGeneration(); }
     inline const PropertyMap& getConfiguration() { return mDevice.getConfiguration(); }
 
@@ -405,5 +414,3 @@
 };
 
 } // namespace android
-
-#endif //_UI_INPUTREADER_INPUT_DEVICE_H
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index daeaa1d..de268cf 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_READER_H
-#define _UI_INPUTREADER_INPUT_READER_H
+#pragma once
 
 #include <PointerControllerInterface.h>
 #include <android-base/thread_annotations.h>
@@ -73,7 +72,7 @@
 
     void toggleCapsLockState(int32_t deviceId) override;
 
-    bool hasKeys(int32_t deviceId, uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool hasKeys(int32_t deviceId, uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                  uint8_t* outFlags) override;
 
     void requestRefreshConfiguration(uint32_t changes) override;
@@ -100,6 +99,8 @@
 
     std::optional<int32_t> getBatteryStatus(int32_t deviceId) override;
 
+    std::optional<std::string> getBatteryDevicePath(int32_t deviceId) override;
+
     std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) override;
 
     std::vector<InputDeviceSensorInfo> getSensors(int32_t deviceId) override;
@@ -141,10 +142,9 @@
         int32_t bumpGeneration() NO_THREAD_SAFETY_ANALYSIS override;
         void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices)
                 REQUIRES(mReader->mLock) override;
-        void dispatchExternalStylusState(const StylusState& outState)
+        [[nodiscard]] std::list<NotifyArgs> dispatchExternalStylusState(const StylusState& outState)
                 REQUIRES(mReader->mLock) override;
         InputReaderPolicyInterface* getPolicy() REQUIRES(mReader->mLock) override;
-        InputListenerInterface& getListener() REQUIRES(mReader->mLock) override;
         EventHubInterface* getEventHub() REQUIRES(mReader->mLock) override;
         int32_t getNextId() NO_THREAD_SAFETY_ANALYSIS override;
         void updateLedMetaState(int32_t metaState) REQUIRES(mReader->mLock) override;
@@ -169,10 +169,6 @@
 
     InputReaderConfiguration mConfig GUARDED_BY(mLock);
 
-    // The event queue.
-    static const int EVENT_BUFFER_SIZE = 256;
-    RawEvent mEventBuffer[EVENT_BUFFER_SIZE] GUARDED_BY(mLock);
-
     // An input device can represent a collection of EventHub devices. This map provides a way
     // to lookup the input device instance from the EventHub device id.
     std::unordered_map<int32_t /*eventHubId*/, std::shared_ptr<InputDevice>> mDevices
@@ -184,13 +180,15 @@
             mDeviceToEventHubIdsMap GUARDED_BY(mLock);
 
     // low-level input event decoding and device management
-    void processEventsLocked(const RawEvent* rawEvents, size_t count) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> processEventsLocked(const RawEvent* rawEvents, size_t count)
+            REQUIRES(mLock);
 
     void addDeviceLocked(nsecs_t when, int32_t eventHubId) REQUIRES(mLock);
     void removeDeviceLocked(nsecs_t when, int32_t eventHubId) REQUIRES(mLock);
-    void processEventsForDeviceLocked(int32_t eventHubId, const RawEvent* rawEvents, size_t count)
-            REQUIRES(mLock);
-    void timeoutExpiredLocked(nsecs_t when) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> processEventsForDeviceLocked(int32_t eventHubId,
+                                                                     const RawEvent* rawEvents,
+                                                                     size_t count) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpiredLocked(nsecs_t when) REQUIRES(mLock);
 
     void handleConfigurationChangedLocked(nsecs_t when) REQUIRES(mLock);
 
@@ -204,7 +202,8 @@
 
     void notifyExternalStylusPresenceChangedLocked() REQUIRES(mLock);
     void getExternalStylusDevicesLocked(std::vector<InputDeviceInfo>& outDevices) REQUIRES(mLock);
-    void dispatchExternalStylusStateLocked(const StylusState& state) REQUIRES(mLock);
+    [[nodiscard]] std::list<NotifyArgs> dispatchExternalStylusStateLocked(const StylusState& state)
+            REQUIRES(mLock);
 
     // The PointerController that is shared among all the input devices that need it.
     std::weak_ptr<PointerControllerInterface> mPointerController;
@@ -231,19 +230,20 @@
     uint32_t mConfigurationChangesToRefresh GUARDED_BY(mLock);
     void refreshConfigurationLocked(uint32_t changes) REQUIRES(mLock);
 
+    void notifyAll(std::list<NotifyArgs>&& argsList);
+
     PointerCaptureRequest mCurrentPointerCaptureRequest GUARDED_BY(mLock);
 
     // state queries
     typedef int32_t (InputDevice::*GetStateFunc)(uint32_t sourceMask, int32_t code);
     int32_t getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
                            GetStateFunc getStateFunc) REQUIRES(mLock);
-    bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask, size_t numCodes,
-                                     const int32_t* keyCodes, uint8_t* outFlags) REQUIRES(mLock);
+    bool markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
+                                     const std::vector<int32_t>& keyCodes, uint8_t* outFlags)
+            REQUIRES(mLock);
 
     // find an InputDevice from an InputDevice id
     InputDevice* findInputDeviceLocked(int32_t deviceId) const REQUIRES(mLock);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_READER_H
diff --git a/services/inputflinger/reader/include/InputReaderContext.h b/services/inputflinger/reader/include/InputReaderContext.h
index 823d160..0beace1 100644
--- a/services/inputflinger/reader/include/InputReaderContext.h
+++ b/services/inputflinger/reader/include/InputReaderContext.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_READER_CONTEXT_H
-#define _UI_INPUTREADER_INPUT_READER_CONTEXT_H
+#pragma once
 
 #include <input/InputDevice.h>
+#include "NotifyArgs.h"
 
 #include <vector>
 
@@ -52,10 +52,10 @@
     virtual int32_t bumpGeneration() = 0;
 
     virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) = 0;
-    virtual void dispatchExternalStylusState(const StylusState& outState) = 0;
+    [[nodiscard]] virtual std::list<NotifyArgs> dispatchExternalStylusState(
+            const StylusState& outState) = 0;
 
     virtual InputReaderPolicyInterface* getPolicy() = 0;
-    virtual InputListenerInterface& getListener() = 0;
     virtual EventHubInterface* getEventHub() = 0;
 
     virtual int32_t getNextId() = 0;
@@ -65,5 +65,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_READER_CONTEXT_H
diff --git a/services/inputflinger/reader/include/StylusState.h b/services/inputflinger/reader/include/StylusState.h
index 17f158c..8d14d3c 100644
--- a/services/inputflinger/reader/include/StylusState.h
+++ b/services/inputflinger/reader/include/StylusState.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_STYLUS_STATE_H
-#define _UI_INPUTREADER_STYLUS_STATE_H
+#pragma once
 
 #include <input/Input.h>
 
@@ -49,5 +48,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_STYLUS_STATE_H
diff --git a/services/inputflinger/reader/include/TouchVideoDevice.h b/services/inputflinger/reader/include/TouchVideoDevice.h
index 7de9b830..08eba31 100644
--- a/services/inputflinger/reader/include/TouchVideoDevice.h
+++ b/services/inputflinger/reader/include/TouchVideoDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
-#define _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
+#pragma once
 
 #include <android-base/unique_fd.h>
 #include <input/TouchVideoFrame.h>
@@ -123,5 +122,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTFLINGER_TOUCH_VIDEO_DEVICE_H
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index f4f3ae9..c691ca9 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -126,9 +126,10 @@
     dump += StringPrintf(INDENT3 "DownTime: %" PRId64 "\n", mDownTime);
 }
 
-void CursorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                  uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> CursorInputMapper::configure(nsecs_t when,
+                                                   const InputReaderConfiguration* config,
+                                                   uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         mCursorScrollAccumulator.configure(getDeviceContext());
@@ -187,8 +188,7 @@
         }
         bumpGeneration();
         if (changes) {
-            NotifyDeviceResetArgs args(getContext()->getNextId(), when, getDeviceId());
-            getListener().notifyDeviceReset(&args);
+            out.push_back(NotifyDeviceResetArgs(getContext()->getNextId(), when, getDeviceId()));
         }
     }
 
@@ -241,22 +241,22 @@
 
         bumpGeneration();
     }
+    return out;
 }
 
 void CursorInputMapper::configureParameters() {
     mParameters.mode = Parameters::Mode::POINTER;
-    String8 cursorModeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("cursor.mode"),
-                                                             cursorModeString)) {
+    std::string cursorModeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("cursor.mode", cursorModeString)) {
         if (cursorModeString == "navigation") {
             mParameters.mode = Parameters::Mode::NAVIGATION;
         } else if (cursorModeString != "pointer" && cursorModeString != "default") {
-            ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
+            ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.c_str());
         }
     }
 
     mParameters.orientationAware = false;
-    getDeviceContext().getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
+    getDeviceContext().getConfiguration().tryGetProperty("cursor.orientationAware",
                                                          mParameters.orientationAware);
 
     mParameters.hasAssociatedDisplay = false;
@@ -273,7 +273,7 @@
     dump += StringPrintf(INDENT4 "OrientationAware: %s\n", toString(mParameters.orientationAware));
 }
 
-void CursorInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> CursorInputMapper::reset(nsecs_t when) {
     mButtonState = 0;
     mDownTime = 0;
 
@@ -285,23 +285,26 @@
     mCursorMotionAccumulator.reset(getDeviceContext());
     mCursorScrollAccumulator.reset(getDeviceContext());
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void CursorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> CursorInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mCursorButtonAccumulator.process(rawEvent);
     mCursorMotionAccumulator.process(rawEvent);
     mCursorScrollAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        out += sync(rawEvent->when, rawEvent->readTime);
     }
+    return out;
 }
 
-void CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> CursorInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     if (!mDisplayId) {
         // Ignore events when there is no target display configured.
-        return;
+        return out;
     }
 
     int32_t lastButtonState = mButtonState;
@@ -392,8 +395,9 @@
     }
 
     // Synthesize key down from buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
-                         mSource, *mDisplayId, policyFlags, lastButtonState, currentButtonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
+                                mSource, *mDisplayId, policyFlags, lastButtonState,
+                                currentButtonState);
 
     // Send motion event.
     if (downChanged || moved || scrolled || buttonsChanged) {
@@ -413,40 +417,38 @@
             while (!released.isEmpty()) {
                 int32_t actionButton = BitSet32::valueForBit(released.clearFirstMarkedBit());
                 buttonState &= ~actionButton;
-                NotifyMotionArgs releaseArgs(getContext()->getNextId(), when, readTime,
-                                             getDeviceId(), mSource, *mDisplayId, policyFlags,
-                                             AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
-                                             metaState, buttonState, MotionClassification::NONE,
-                                             AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                             &pointerCoords, mXPrecision, mYPrecision,
-                                             xCursorPosition, yCursorPosition, downTime,
-                                             /* videoFrames */ {});
-                getListener().notifyMotion(&releaseArgs);
+                out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime,
+                                               getDeviceId(), mSource, *mDisplayId, policyFlags,
+                                               AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
+                                               metaState, buttonState, MotionClassification::NONE,
+                                               AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                               &pointerCoords, mXPrecision, mYPrecision,
+                                               xCursorPosition, yCursorPosition, downTime,
+                                               /* videoFrames */ {}));
             }
         }
 
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              *mDisplayId, policyFlags, motionEventAction, 0, 0, metaState,
-                              currentButtonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords,
-                              mXPrecision, mYPrecision, xCursorPosition, yCursorPosition, downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, *mDisplayId, policyFlags, motionEventAction, 0, 0,
+                                       metaState, currentButtonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                       &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
+                                       yCursorPosition, downTime,
+                                       /* videoFrames */ {}));
 
         if (buttonsPressed) {
             BitSet32 pressed(buttonsPressed);
             while (!pressed.isEmpty()) {
                 int32_t actionButton = BitSet32::valueForBit(pressed.clearFirstMarkedBit());
                 buttonState |= actionButton;
-                NotifyMotionArgs pressArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                           mSource, *mDisplayId, policyFlags,
-                                           AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0,
-                                           metaState, buttonState, MotionClassification::NONE,
-                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                           &pointerCoords, mXPrecision, mYPrecision,
-                                           xCursorPosition, yCursorPosition, downTime,
-                                           /* videoFrames */ {});
-                getListener().notifyMotion(&pressArgs);
+                out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime,
+                                               getDeviceId(), mSource, *mDisplayId, policyFlags,
+                                               AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0,
+                                               metaState, buttonState, MotionClassification::NONE,
+                                               AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                               &pointerCoords, mXPrecision, mYPrecision,
+                                               xCursorPosition, yCursorPosition, downTime,
+                                               /* videoFrames */ {}));
             }
         }
 
@@ -454,14 +456,14 @@
 
         // Send hover move after UP to tell the application that the mouse is hovering now.
         if (motionEventAction == AMOTION_EVENT_ACTION_UP && (mSource == AINPUT_SOURCE_MOUSE)) {
-            NotifyMotionArgs hoverArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                       mSource, *mDisplayId, policyFlags,
-                                       AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
-                                       currentButtonState, MotionClassification::NONE,
-                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                       &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
-                                       yCursorPosition, downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&hoverArgs);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, *mDisplayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
+                                           currentButtonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                           &pointerCoords, mXPrecision, mYPrecision,
+                                           xCursorPosition, yCursorPosition, downTime,
+                                           /* videoFrames */ {}));
         }
 
         // Send scroll events.
@@ -469,23 +471,25 @@
             pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
             pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
 
-            NotifyMotionArgs scrollArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                        mSource, *mDisplayId, policyFlags,
-                                        AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
-                                        currentButtonState, MotionClassification::NONE,
-                                        AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                        &pointerCoords, mXPrecision, mYPrecision, xCursorPosition,
-                                        yCursorPosition, downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&scrollArgs);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, *mDisplayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
+                                           currentButtonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                           &pointerCoords, mXPrecision, mYPrecision,
+                                           xCursorPosition, yCursorPosition, downTime,
+                                           /* videoFrames */ {}));
         }
     }
 
     // Synthesize key up from buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(), mSource,
-                         *mDisplayId, policyFlags, lastButtonState, currentButtonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(),
+                                mSource, *mDisplayId, policyFlags, lastButtonState,
+                                currentButtonState);
 
     mCursorMotionAccumulator.finishSync();
     mCursorScrollAccumulator.finishSync();
+    return out;
 }
 
 int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.h b/services/inputflinger/reader/mapper/CursorInputMapper.h
index 60b3dd9..6a4275e 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.h
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
+#pragma once
 
 #include "CursorButtonAccumulator.h"
 #include "CursorScrollAccumulator.h"
@@ -59,10 +58,11 @@
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
 
@@ -125,9 +125,7 @@
     void configureParameters();
     void dumpParameters(std::string& dump);
 
-    void sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
index 6b5d37f..0404c9a 100644
--- a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.cpp
@@ -44,28 +44,32 @@
     dumpStylusState(dump, mStylusState);
 }
 
-void ExternalStylusInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                          uint32_t changes) {
+std::list<NotifyArgs> ExternalStylusInputMapper::configure(nsecs_t when,
+                                                           const InputReaderConfiguration* config,
+                                                           uint32_t changes) {
     getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPressureAxis);
     mTouchButtonAccumulator.configure(getDeviceContext());
+    return {};
 }
 
-void ExternalStylusInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> ExternalStylusInputMapper::reset(nsecs_t when) {
     mSingleTouchMotionAccumulator.reset(getDeviceContext());
     mTouchButtonAccumulator.reset(getDeviceContext());
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void ExternalStylusInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> ExternalStylusInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mSingleTouchMotionAccumulator.process(rawEvent);
     mTouchButtonAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when);
+        out += sync(rawEvent->when);
     }
+    return out;
 }
 
-void ExternalStylusInputMapper::sync(nsecs_t when) {
+std::list<NotifyArgs> ExternalStylusInputMapper::sync(nsecs_t when) {
     mStylusState.clear();
 
     mStylusState.when = when;
@@ -86,7 +90,7 @@
 
     mStylusState.buttons = mTouchButtonAccumulator.getButtonState();
 
-    getContext()->dispatchExternalStylusState(mStylusState);
+    return getContext()->dispatchExternalStylusState(mStylusState);
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
index 516aa51..b6c9055 100644
--- a/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
+++ b/services/inputflinger/reader/mapper/ExternalStylusInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
-#define _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -30,13 +29,14 @@
     explicit ExternalStylusInputMapper(InputDeviceContext& deviceContext);
     virtual ~ExternalStylusInputMapper() = default;
 
-    virtual uint32_t getSources() const override;
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    uint32_t getSources() const override;
+    void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+    void dump(std::string& dump) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     SingleTouchMotionAccumulator mSingleTouchMotionAccumulator;
@@ -45,9 +45,7 @@
 
     StylusState mStylusState;
 
-    void sync(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 7b185e0..844afe0 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -32,12 +32,18 @@
 
 void InputMapper::dump(std::string& dump) {}
 
-void InputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                            uint32_t changes) {}
+std::list<NotifyArgs> InputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
+                                             uint32_t changes) {
+    return {};
+}
 
-void InputMapper::reset(nsecs_t when) {}
+std::list<NotifyArgs> InputMapper::reset(nsecs_t when) {
+    return {};
+}
 
-void InputMapper::timeoutExpired(nsecs_t when) {}
+std::list<NotifyArgs> InputMapper::timeoutExpired(nsecs_t when) {
+    return {};
+}
 
 int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
     return AKEY_STATE_UNKNOWN;
@@ -55,14 +61,19 @@
     return AKEYCODE_UNKNOWN;
 }
 
-bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                        const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                        uint8_t* outFlags) {
     return false;
 }
 
-void InputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) {}
+std::list<NotifyArgs> InputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                           int32_t token) {
+    return {};
+}
 
-void InputMapper::cancelVibrate(int32_t token) {}
+std::list<NotifyArgs> InputMapper::cancelVibrate(int32_t token) {
+    return {};
+}
 
 bool InputMapper::isVibrating() {
     return false;
@@ -72,7 +83,9 @@
     return {};
 }
 
-void InputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {}
+std::list<NotifyArgs> InputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    return {};
+}
 
 bool InputMapper::enableSensor(InputDeviceSensorType sensorType,
                                std::chrono::microseconds samplingPeriod,
@@ -92,7 +105,9 @@
     return false;
 }
 
-void InputMapper::updateExternalStylusState(const StylusState& state) {}
+std::list<NotifyArgs> InputMapper::updateExternalStylusState(const StylusState& state) {
+    return {};
+}
 
 status_t InputMapper::getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo) {
     return getDeviceContext().getAbsoluteAxisInfo(axis, axisInfo);
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index fce6409..104305b 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_INPUT_MAPPER_H
-#define _UI_INPUTREADER_INPUT_MAPPER_H
+#pragma once
 
 #include "EventHub.h"
 #include "InputDevice.h"
 #include "InputListener.h"
 #include "InputReaderContext.h"
+#include "NotifyArgs.h"
 #include "StylusState.h"
 #include "VibrationElement.h"
 
@@ -49,28 +49,30 @@
     inline const std::string getDeviceName() const { return mDeviceContext.getName(); }
     inline InputReaderContext* getContext() { return mDeviceContext.getContext(); }
     inline InputReaderPolicyInterface* getPolicy() { return getContext()->getPolicy(); }
-    inline InputListenerInterface& getListener() { return getContext()->getListener(); }
 
     virtual uint32_t getSources() const = 0;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo);
     virtual void dump(std::string& dump);
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes);
-    virtual void reset(nsecs_t when);
-    virtual void process(const RawEvent* rawEvent) = 0;
-    virtual void timeoutExpired(nsecs_t when);
+    [[nodiscard]] virtual std::list<NotifyArgs> configure(nsecs_t when,
+                                                          const InputReaderConfiguration* config,
+                                                          uint32_t changes);
+    [[nodiscard]] virtual std::list<NotifyArgs> reset(nsecs_t when);
+    [[nodiscard]] virtual std::list<NotifyArgs> process(const RawEvent* rawEvent) = 0;
+    [[nodiscard]] virtual std::list<NotifyArgs> timeoutExpired(nsecs_t when);
 
     virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode);
     virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode);
     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
     virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const;
 
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags);
-    virtual void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token);
-    virtual void cancelVibrate(int32_t token);
+    virtual bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                       uint8_t* outFlags);
+    [[nodiscard]] virtual std::list<NotifyArgs> vibrate(const VibrationSequence& sequence,
+                                                        ssize_t repeat, int32_t token);
+    [[nodiscard]] virtual std::list<NotifyArgs> cancelVibrate(int32_t token);
     virtual bool isVibrating();
     virtual std::vector<int32_t> getVibratorIds();
-    virtual void cancelTouch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] virtual std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime);
     virtual bool enableSensor(InputDeviceSensorType sensorType,
                               std::chrono::microseconds samplingPeriod,
                               std::chrono::microseconds maxBatchReportLatency);
@@ -92,7 +94,7 @@
      */
     virtual bool updateMetaState(int32_t keyCode);
 
-    virtual void updateExternalStylusState(const StylusState& state);
+    [[nodiscard]] virtual std::list<NotifyArgs> updateExternalStylusState(const StylusState& state);
 
     virtual std::optional<int32_t> getAssociatedDisplayId() { return std::nullopt; }
     virtual void updateLedState(bool reset) {}
@@ -109,5 +111,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
index 7d30d0c..42b8012 100644
--- a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
@@ -103,9 +103,10 @@
     }
 }
 
-void JoystickInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                    uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> JoystickInputMapper::configure(nsecs_t when,
+                                                     const InputReaderConfiguration* config,
+                                                     uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         // Collect all axes.
@@ -164,6 +165,7 @@
             it++;
         }
     }
+    return out;
 }
 
 JoystickInputMapper::Axis JoystickInputMapper::createAxis(const AxisInfo& axisInfo,
@@ -246,17 +248,18 @@
     }
 }
 
-void JoystickInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> JoystickInputMapper::reset(nsecs_t when) {
     // Recenter all axes.
     for (std::pair<const int32_t, Axis>& pair : mAxes) {
         Axis& axis = pair.second;
         axis.resetValue();
     }
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void JoystickInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> JoystickInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_ABS: {
             auto it = mAxes.find(rawEvent->code);
@@ -298,16 +301,18 @@
         case EV_SYN:
             switch (rawEvent->code) {
                 case SYN_REPORT:
-                    sync(rawEvent->when, rawEvent->readTime, false /*force*/);
+                    out += sync(rawEvent->when, rawEvent->readTime, false /*force*/);
                     break;
             }
             break;
     }
+    return out;
 }
 
-void JoystickInputMapper::sync(nsecs_t when, nsecs_t readTime, bool force) {
+std::list<NotifyArgs> JoystickInputMapper::sync(nsecs_t when, nsecs_t readTime, bool force) {
+    std::list<NotifyArgs> out;
     if (!filterAxes(force)) {
-        return;
+        return out;
     }
 
     int32_t metaState = getContext()->getGlobalMetaState();
@@ -340,13 +345,14 @@
         displayId = getDeviceContext().getAssociatedViewport()->displayId;
     }
 
-    NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(),
-                          AINPUT_SOURCE_JOYSTICK, displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE,
-                          0, 0, metaState, buttonState, MotionClassification::NONE,
-                          AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords, 0, 0,
-                          AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                          AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {});
-    getListener().notifyMotion(&args);
+    out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                   AINPUT_SOURCE_JOYSTICK, displayId, policyFlags,
+                                   AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, buttonState,
+                                   MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                   &pointerProperties, &pointerCoords, 0, 0,
+                                   AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                   AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {}));
+    return out;
 }
 
 void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords, int32_t axis,
diff --git a/services/inputflinger/reader/mapper/JoystickInputMapper.h b/services/inputflinger/reader/mapper/JoystickInputMapper.h
index 307bf5b..72b8a52 100644
--- a/services/inputflinger/reader/mapper/JoystickInputMapper.h
+++ b/services/inputflinger/reader/mapper/JoystickInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
-#define _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -29,10 +28,11 @@
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     struct Axis {
@@ -92,7 +92,7 @@
     // Axes indexed by raw ABS_* axis index.
     std::unordered_map<int32_t, Axis> mAxes;
 
-    void sync(nsecs_t when, nsecs_t readTime, bool force);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime, bool force);
 
     bool haveAxis(int32_t axisId);
     void pruneAxes(bool ignoreExplicitlyMappedAxes);
@@ -111,5 +111,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_JOYSTICK_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index 2ac8178..8704d1b 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -127,7 +127,6 @@
     dump += StringPrintf(INDENT3 "Orientation: %d\n", getOrientation());
     dump += StringPrintf(INDENT3 "KeyDowns: %zu keys currently down\n", mKeyDowns.size());
     dump += StringPrintf(INDENT3 "MetaState: 0x%0x\n", mMetaState);
-    dump += StringPrintf(INDENT3 "DownTime: %" PRId64 "\n", mDownTime);
 }
 
 std::optional<DisplayViewport> KeyboardInputMapper::findViewport(
@@ -144,9 +143,10 @@
     return std::nullopt;
 }
 
-void KeyboardInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                    uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> KeyboardInputMapper::configure(nsecs_t when,
+                                                     const InputReaderConfiguration* config,
+                                                     uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         // Configure basic parameters.
@@ -156,11 +156,12 @@
     if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
         mViewport = findViewport(when, config);
     }
+    return out;
 }
 
 static void mapStemKey(int32_t keyCode, const PropertyMap& config, char const* property) {
     int32_t mapped = 0;
-    if (config.tryGetProperty(String8(property), mapped) && mapped > 0) {
+    if (config.tryGetProperty(property, mapped) && mapped > 0) {
         for (size_t i = 0; i < stemKeyRotationMapSize; i++) {
             if (stemKeyRotationMap[i][0] == keyCode) {
                 stemKeyRotationMap[i][1] = mapped;
@@ -173,7 +174,7 @@
 void KeyboardInputMapper::configureParameters() {
     mParameters.orientationAware = false;
     const PropertyMap& config = getDeviceContext().getConfiguration();
-    config.tryGetProperty(String8("keyboard.orientationAware"), mParameters.orientationAware);
+    config.tryGetProperty("keyboard.orientationAware", mParameters.orientationAware);
 
     if (mParameters.orientationAware) {
         mapStemKey(AKEYCODE_STEM_PRIMARY, config, "keyboard.rotated.stem_primary");
@@ -183,10 +184,10 @@
     }
 
     mParameters.handlesKeyRepeat = false;
-    config.tryGetProperty(String8("keyboard.handlesKeyRepeat"), mParameters.handlesKeyRepeat);
+    config.tryGetProperty("keyboard.handlesKeyRepeat", mParameters.handlesKeyRepeat);
 
     mParameters.doNotWakeByDefault = false;
-    config.tryGetProperty(String8("keyboard.doNotWakeByDefault"), mParameters.doNotWakeByDefault);
+    config.tryGetProperty("keyboard.doNotWakeByDefault", mParameters.doNotWakeByDefault);
 }
 
 void KeyboardInputMapper::dumpParameters(std::string& dump) {
@@ -195,18 +196,18 @@
     dump += StringPrintf(INDENT4 "HandlesKeyRepeat: %s\n", toString(mParameters.handlesKeyRepeat));
 }
 
-void KeyboardInputMapper::reset(nsecs_t when) {
-    mMetaState = AMETA_NONE;
-    mDownTime = 0;
-    mKeyDowns.clear();
+std::list<NotifyArgs> KeyboardInputMapper::reset(nsecs_t when) {
+    std::list<NotifyArgs> out = cancelAllDownKeys(when);
     mCurrentHidUsage = 0;
 
     resetLedState();
 
-    InputMapper::reset(when);
+    out += InputMapper::reset(when);
+    return out;
 }
 
-void KeyboardInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> KeyboardInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_KEY: {
             int32_t scanCode = rawEvent->code;
@@ -214,8 +215,8 @@
             mCurrentHidUsage = 0;
 
             if (isKeyboardOrGamepadKey(scanCode)) {
-                processKey(rawEvent->when, rawEvent->readTime, rawEvent->value != 0, scanCode,
-                           usageCode);
+                out += processKey(rawEvent->when, rawEvent->readTime, rawEvent->value != 0,
+                                  scanCode, usageCode);
             }
             break;
         }
@@ -231,6 +232,7 @@
             }
         }
     }
+    return out;
 }
 
 bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
@@ -268,8 +270,9 @@
     return false;
 }
 
-void KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down, int32_t scanCode,
-                                     int32_t usageCode) {
+std::list<NotifyArgs> KeyboardInputMapper::processKey(nsecs_t when, nsecs_t readTime, bool down,
+                                                      int32_t scanCode, int32_t usageCode) {
+    std::list<NotifyArgs> out;
     int32_t keyCode;
     int32_t keyMetaState;
     uint32_t policyFlags;
@@ -281,6 +284,7 @@
         policyFlags = 0;
     }
 
+    nsecs_t downTime = when;
     if (down) {
         // Rotate key codes according to orientation if needed.
         if (mParameters.orientationAware) {
@@ -292,36 +296,37 @@
         if (keyDownIndex >= 0) {
             // key repeat, be sure to use same keycode as before in case of rotation
             keyCode = mKeyDowns[keyDownIndex].keyCode;
+            downTime = mKeyDowns[keyDownIndex].downTime;
         } else {
             // key down
             if ((policyFlags & POLICY_FLAG_VIRTUAL) &&
                 getContext()->shouldDropVirtualKey(when, keyCode, scanCode)) {
-                return;
+                return out;
             }
             if (policyFlags & POLICY_FLAG_GESTURE) {
-                getDeviceContext().cancelTouch(when, readTime);
+                out += getDeviceContext().cancelTouch(when, readTime);
             }
 
             KeyDown keyDown;
             keyDown.keyCode = keyCode;
             keyDown.scanCode = scanCode;
+            keyDown.downTime = when;
             mKeyDowns.push_back(keyDown);
         }
-
-        mDownTime = when;
     } else {
         // Remove key down.
         ssize_t keyDownIndex = findKeyDown(scanCode);
         if (keyDownIndex >= 0) {
             // key up, be sure to use same keycode as before in case of rotation
             keyCode = mKeyDowns[keyDownIndex].keyCode;
+            downTime = mKeyDowns[keyDownIndex].downTime;
             mKeyDowns.erase(mKeyDowns.begin() + (size_t)keyDownIndex);
         } else {
             // key was not actually down
             ALOGI("Dropping key up from device %s because the key was not down.  "
                   "keyCode=%d, scanCode=%d",
                   getDeviceName().c_str(), keyCode, scanCode);
-            return;
+            return out;
         }
     }
 
@@ -333,8 +338,6 @@
         keyMetaState = mMetaState;
     }
 
-    nsecs_t downTime = mDownTime;
-
     // Key down on external an keyboard should wake the device.
     // We don't do this for internal keyboards to prevent them from waking up in your pocket.
     // For internal keyboards and devices for which the default wake behavior is explicitly
@@ -350,11 +353,12 @@
         policyFlags |= POLICY_FLAG_DISABLE_KEY_REPEAT;
     }
 
-    NotifyKeyArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                       getDisplayId(), policyFlags,
-                       down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
-                       AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState, downTime);
-    getListener().notifyKey(&args);
+    out.push_back(NotifyKeyArgs(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
+                                getDisplayId(), policyFlags,
+                                down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
+                                AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState,
+                                downTime));
+    return out;
 }
 
 ssize_t KeyboardInputMapper::findKeyDown(int32_t scanCode) {
@@ -379,9 +383,10 @@
     return getDeviceContext().getKeyCodeForKeyLocation(locationKeyCode);
 }
 
-bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                                const int32_t* keyCodes, uint8_t* outFlags) {
-    return getDeviceContext().markSupportedKeyCodes(numCodes, keyCodes, outFlags);
+bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                                const std::vector<int32_t>& keyCodes,
+                                                uint8_t* outFlags) {
+    return getDeviceContext().markSupportedKeyCodes(keyCodes, outFlags);
 }
 
 int32_t KeyboardInputMapper::getMetaState() {
@@ -433,13 +438,12 @@
     mMetaState |= getContext()->getLedMetaState();
 
     constexpr int32_t META_NUM = 3;
-    const std::array<int32_t, META_NUM> keyCodes = {AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
-                                                    AKEYCODE_SCROLL_LOCK};
+    const std::vector<int32_t> keyCodes{AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
+                                        AKEYCODE_SCROLL_LOCK};
     const std::array<int32_t, META_NUM> metaCodes = {AMETA_CAPS_LOCK_ON, AMETA_NUM_LOCK_ON,
                                                      AMETA_SCROLL_LOCK_ON};
     std::array<uint8_t, META_NUM> flags = {0, 0, 0};
-    bool hasKeyLayout =
-            getDeviceContext().markSupportedKeyCodes(META_NUM, keyCodes.data(), flags.data());
+    bool hasKeyLayout = getDeviceContext().markSupportedKeyCodes(keyCodes, flags.data());
     // If the device doesn't have the physical meta key it shouldn't generate the corresponding
     // meta state.
     if (hasKeyLayout) {
@@ -473,4 +477,20 @@
     return std::nullopt;
 }
 
+std::list<NotifyArgs> KeyboardInputMapper::cancelAllDownKeys(nsecs_t when) {
+    std::list<NotifyArgs> out;
+    size_t n = mKeyDowns.size();
+    for (size_t i = 0; i < n; i++) {
+        out.push_back(NotifyKeyArgs(getContext()->getNextId(), when,
+                                    systemTime(SYSTEM_TIME_MONOTONIC), getDeviceId(), mSource,
+                                    getDisplayId(), 0 /*policyFlags*/, AKEY_EVENT_ACTION_UP,
+                                    AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_CANCELED,
+                                    mKeyDowns[i].keyCode, mKeyDowns[i].scanCode, AMETA_NONE,
+                                    mKeyDowns[i].downTime));
+    }
+    mKeyDowns.clear();
+    mMetaState = AMETA_NONE;
+    return out;
+}
+
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 3787696..8d72ee9 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
-#define _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -26,30 +25,32 @@
     KeyboardInputMapper(InputDeviceContext& deviceContext, uint32_t source, int32_t keyboardType);
     virtual ~KeyboardInputMapper();
 
-    virtual uint32_t getSources() const override;
-    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    uint32_t getSources() const override;
+    void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+    void dump(std::string& dump) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
-    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
-    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags) override;
-    virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
+    int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
+    int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                               uint8_t* outFlags) override;
+    int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
 
-    virtual int32_t getMetaState() override;
-    virtual bool updateMetaState(int32_t keyCode) override;
-    virtual std::optional<int32_t> getAssociatedDisplayId() override;
-    virtual void updateLedState(bool reset);
+    int32_t getMetaState() override;
+    bool updateMetaState(int32_t keyCode) override;
+    std::optional<int32_t> getAssociatedDisplayId() override;
+    void updateLedState(bool reset) override;
 
 private:
     // The current viewport.
     std::optional<DisplayViewport> mViewport;
 
     struct KeyDown {
+        nsecs_t downTime;
         int32_t keyCode;
         int32_t scanCode;
     };
@@ -59,7 +60,6 @@
 
     std::vector<KeyDown> mKeyDowns; // keys that are down
     int32_t mMetaState;
-    nsecs_t mDownTime; // time of most recent key down
 
     int32_t mCurrentHidUsage; // most recent HID usage seen this packet, or 0 if none
 
@@ -87,7 +87,8 @@
     bool isKeyboardOrGamepadKey(int32_t scanCode);
     bool isMediaKey(int32_t keyCode);
 
-    void processKey(nsecs_t when, nsecs_t readTime, bool down, int32_t scanCode, int32_t usageCode);
+    [[nodiscard]] std::list<NotifyArgs> processKey(nsecs_t when, nsecs_t readTime, bool down,
+                                                   int32_t scanCode, int32_t usageCode);
 
     bool updateMetaStateIfNeeded(int32_t keyCode, bool down);
 
@@ -98,8 +99,7 @@
     void updateLedStateForModifier(LedState& ledState, int32_t led, int32_t modifier, bool reset);
     std::optional<DisplayViewport> findViewport(nsecs_t when,
                                                 const InputReaderConfiguration* config);
+    [[nodiscard]] std::list<NotifyArgs> cancelAllDownKeys(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_KEYBOARD_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
index 41a8426..1d53eab 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp
@@ -31,28 +31,16 @@
 
 MultiTouchMotionAccumulator::MultiTouchMotionAccumulator()
       : mCurrentSlot(-1),
-        mSlots(nullptr),
-        mSlotCount(0),
         mUsingSlotsProtocol(false),
         mHaveStylus(false) {}
 
-MultiTouchMotionAccumulator::~MultiTouchMotionAccumulator() {
-    delete[] mSlots;
-}
-
 void MultiTouchMotionAccumulator::configure(InputDeviceContext& deviceContext, size_t slotCount,
                                             bool usingSlotsProtocol) {
-    mSlotCount = slotCount;
     mUsingSlotsProtocol = usingSlotsProtocol;
     mHaveStylus = deviceContext.hasAbsoluteAxis(ABS_MT_TOOL_TYPE);
+    mSlots = std::vector<Slot>(slotCount);
 
-    delete[] mSlots;
-    mSlots = new Slot[slotCount];
-}
-
-void MultiTouchMotionAccumulator::reset(InputDeviceContext& deviceContext) {
-    // Unfortunately there is no way to read the initial contents of the slots.
-    // So when we reset the accumulator, we must assume they are all zeroes.
+    mCurrentSlot = -1;
     if (mUsingSlotsProtocol) {
         // Query the driver for the current slot index and use it as the initial slot
         // before we start reading events from the device.  It is possible that the
@@ -64,24 +52,20 @@
         // This can cause the touch point to "jump", but at least there will be
         // no stuck touches.
         int32_t initialSlot;
-        status_t status = deviceContext.getAbsoluteAxisValue(ABS_MT_SLOT, &initialSlot);
-        if (status) {
-            ALOGD("Could not retrieve current multitouch slot index.  status=%d", status);
-            initialSlot = -1;
+        if (const auto status = deviceContext.getAbsoluteAxisValue(ABS_MT_SLOT, &initialSlot);
+            status == OK) {
+            mCurrentSlot = initialSlot;
+        } else {
+            ALOGD("Could not retrieve current multi-touch slot index. status=%d", status);
         }
-        clearSlots(initialSlot);
-    } else {
-        clearSlots(-1);
     }
 }
 
-void MultiTouchMotionAccumulator::clearSlots(int32_t initialSlot) {
-    if (mSlots) {
-        for (size_t i = 0; i < mSlotCount; i++) {
-            mSlots[i].clear();
-        }
+void MultiTouchMotionAccumulator::resetSlots() {
+    for (Slot& slot : mSlots) {
+        slot.clear();
     }
-    mCurrentSlot = initialSlot;
+    mCurrentSlot = -1;
 }
 
 void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
@@ -96,68 +80,68 @@
             mCurrentSlot = 0;
         }
 
-        if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlotCount) {
+        if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlots.size()) {
             if (DEBUG_POINTERS) {
                 if (newSlot) {
                     ALOGW("MultiTouch device emitted invalid slot index %d but it "
                           "should be between 0 and %zd; ignoring this slot.",
-                          mCurrentSlot, mSlotCount - 1);
+                          mCurrentSlot, mSlots.size() - 1);
                 }
             }
         } else {
-            Slot* slot = &mSlots[mCurrentSlot];
+            Slot& slot = mSlots[mCurrentSlot];
             // If mUsingSlotsProtocol is true, it means the raw pointer has axis info of
             // ABS_MT_TRACKING_ID and ABS_MT_SLOT, so driver should send a valid trackingId while
             // updating the slot.
             if (!mUsingSlotsProtocol) {
-                slot->mInUse = true;
+                slot.mInUse = true;
             }
 
             switch (rawEvent->code) {
                 case ABS_MT_POSITION_X:
-                    slot->mAbsMTPositionX = rawEvent->value;
-                    warnIfNotInUse(*rawEvent, *slot);
+                    slot.mAbsMTPositionX = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, slot);
                     break;
                 case ABS_MT_POSITION_Y:
-                    slot->mAbsMTPositionY = rawEvent->value;
-                    warnIfNotInUse(*rawEvent, *slot);
+                    slot.mAbsMTPositionY = rawEvent->value;
+                    warnIfNotInUse(*rawEvent, slot);
                     break;
                 case ABS_MT_TOUCH_MAJOR:
-                    slot->mAbsMTTouchMajor = rawEvent->value;
+                    slot.mAbsMTTouchMajor = rawEvent->value;
                     break;
                 case ABS_MT_TOUCH_MINOR:
-                    slot->mAbsMTTouchMinor = rawEvent->value;
-                    slot->mHaveAbsMTTouchMinor = true;
+                    slot.mAbsMTTouchMinor = rawEvent->value;
+                    slot.mHaveAbsMTTouchMinor = true;
                     break;
                 case ABS_MT_WIDTH_MAJOR:
-                    slot->mAbsMTWidthMajor = rawEvent->value;
+                    slot.mAbsMTWidthMajor = rawEvent->value;
                     break;
                 case ABS_MT_WIDTH_MINOR:
-                    slot->mAbsMTWidthMinor = rawEvent->value;
-                    slot->mHaveAbsMTWidthMinor = true;
+                    slot.mAbsMTWidthMinor = rawEvent->value;
+                    slot.mHaveAbsMTWidthMinor = true;
                     break;
                 case ABS_MT_ORIENTATION:
-                    slot->mAbsMTOrientation = rawEvent->value;
+                    slot.mAbsMTOrientation = rawEvent->value;
                     break;
                 case ABS_MT_TRACKING_ID:
                     if (mUsingSlotsProtocol && rawEvent->value < 0) {
                         // The slot is no longer in use but it retains its previous contents,
                         // which may be reused for subsequent touches.
-                        slot->mInUse = false;
+                        slot.mInUse = false;
                     } else {
-                        slot->mInUse = true;
-                        slot->mAbsMTTrackingId = rawEvent->value;
+                        slot.mInUse = true;
+                        slot.mAbsMTTrackingId = rawEvent->value;
                     }
                     break;
                 case ABS_MT_PRESSURE:
-                    slot->mAbsMTPressure = rawEvent->value;
+                    slot.mAbsMTPressure = rawEvent->value;
                     break;
                 case ABS_MT_DISTANCE:
-                    slot->mAbsMTDistance = rawEvent->value;
+                    slot.mAbsMTDistance = rawEvent->value;
                     break;
                 case ABS_MT_TOOL_TYPE:
-                    slot->mAbsMTToolType = rawEvent->value;
-                    slot->mHaveAbsMTToolType = true;
+                    slot.mAbsMTToolType = rawEvent->value;
+                    slot.mHaveAbsMTToolType = true;
                     break;
             }
         }
@@ -169,7 +153,7 @@
 
 void MultiTouchMotionAccumulator::finishSync() {
     if (!mUsingSlotsProtocol) {
-        clearSlots(-1);
+        resetSlots();
     }
 }
 
@@ -186,28 +170,6 @@
 
 // --- MultiTouchMotionAccumulator::Slot ---
 
-MultiTouchMotionAccumulator::Slot::Slot() {
-    clear();
-}
-
-void MultiTouchMotionAccumulator::Slot::clear() {
-    mInUse = false;
-    mHaveAbsMTTouchMinor = false;
-    mHaveAbsMTWidthMinor = false;
-    mHaveAbsMTToolType = false;
-    mAbsMTPositionX = 0;
-    mAbsMTPositionY = 0;
-    mAbsMTTouchMajor = 0;
-    mAbsMTTouchMinor = 0;
-    mAbsMTWidthMajor = 0;
-    mAbsMTWidthMinor = 0;
-    mAbsMTOrientation = 0;
-    mAbsMTTrackingId = -1;
-    mAbsMTPressure = 0;
-    mAbsMTDistance = 0;
-    mAbsMTToolType = 0;
-}
-
 int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
     if (mHaveAbsMTToolType) {
         switch (mAbsMTToolType) {
@@ -229,18 +191,21 @@
 
 MultiTouchInputMapper::~MultiTouchInputMapper() {}
 
-void MultiTouchInputMapper::reset(nsecs_t when) {
-    mMultiTouchMotionAccumulator.reset(getDeviceContext());
-
-    mPointerIdBits.clear();
-
-    TouchInputMapper::reset(when);
+std::list<NotifyArgs> MultiTouchInputMapper::reset(nsecs_t when) {
+    // The evdev multi-touch protocol does not allow userspace applications to query the initial or
+    // current state of the pointers at any time. This means if we clear our accumulated state when
+    // resetting the input mapper, there's no way to rebuild the full initial state of the pointers.
+    // We can only wait for updates to all the pointers and axes. Rather than clearing the state and
+    // rebuilding the state from scratch, we work around this kernel API limitation by never
+    // fully clearing any state specific to the multi-touch protocol.
+    return TouchInputMapper::reset(when);
 }
 
-void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
-    TouchInputMapper::process(rawEvent);
+std::list<NotifyArgs> MultiTouchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out = TouchInputMapper::process(rawEvent);
 
     mMultiTouchMotionAccumulator.process(rawEvent);
+    return out;
 }
 
 std::optional<int32_t> MultiTouchInputMapper::getActiveBitId(
@@ -264,14 +229,14 @@
     mHavePointerIds = true;
 
     for (size_t inIndex = 0; inIndex < inCount; inIndex++) {
-        const MultiTouchMotionAccumulator::Slot* inSlot =
+        const MultiTouchMotionAccumulator::Slot& inSlot =
                 mMultiTouchMotionAccumulator.getSlot(inIndex);
-        if (!inSlot->isInUse()) {
+        if (!inSlot.isInUse()) {
             continue;
         }
 
-        if (inSlot->getToolType() == AMOTION_EVENT_TOOL_TYPE_PALM) {
-            std::optional<int32_t> id = getActiveBitId(*inSlot);
+        if (inSlot.getToolType() == AMOTION_EVENT_TOOL_TYPE_PALM) {
+            std::optional<int32_t> id = getActiveBitId(inSlot);
             if (id) {
                 outState->rawPointerData.canceledIdBits.markBit(id.value());
             }
@@ -292,19 +257,19 @@
         }
 
         RawPointerData::Pointer& outPointer = outState->rawPointerData.pointers[outCount];
-        outPointer.x = inSlot->getX();
-        outPointer.y = inSlot->getY();
-        outPointer.pressure = inSlot->getPressure();
-        outPointer.touchMajor = inSlot->getTouchMajor();
-        outPointer.touchMinor = inSlot->getTouchMinor();
-        outPointer.toolMajor = inSlot->getToolMajor();
-        outPointer.toolMinor = inSlot->getToolMinor();
-        outPointer.orientation = inSlot->getOrientation();
-        outPointer.distance = inSlot->getDistance();
+        outPointer.x = inSlot.getX();
+        outPointer.y = inSlot.getY();
+        outPointer.pressure = inSlot.getPressure();
+        outPointer.touchMajor = inSlot.getTouchMajor();
+        outPointer.touchMinor = inSlot.getTouchMinor();
+        outPointer.toolMajor = inSlot.getToolMajor();
+        outPointer.toolMinor = inSlot.getToolMinor();
+        outPointer.orientation = inSlot.getOrientation();
+        outPointer.distance = inSlot.getDistance();
         outPointer.tiltX = 0;
         outPointer.tiltY = 0;
 
-        outPointer.toolType = inSlot->getToolType();
+        outPointer.toolType = inSlot.getToolType();
         if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
             outPointer.toolType = mTouchButtonAccumulator.getToolType();
             if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
@@ -318,12 +283,12 @@
 
         bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE &&
                 (mTouchButtonAccumulator.isHovering() ||
-                 (mRawPointerAxes.pressure.valid && inSlot->getPressure() <= 0));
+                 (mRawPointerAxes.pressure.valid && inSlot.getPressure() <= 0));
         outPointer.isHovering = isHovering;
 
         // Assign pointer id using tracking id if available.
         if (mHavePointerIds) {
-            int32_t trackingId = inSlot->getTrackingId();
+            int32_t trackingId = inSlot.getTrackingId();
             int32_t id = -1;
             if (trackingId >= 0) {
                 for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty();) {
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
index b7c3457..047e62d 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include "TouchInputMapper.h"
 
@@ -46,47 +45,46 @@
     private:
         friend class MultiTouchMotionAccumulator;
 
-        bool mInUse;
-        bool mHaveAbsMTTouchMinor;
-        bool mHaveAbsMTWidthMinor;
-        bool mHaveAbsMTToolType;
+        bool mInUse = false;
+        bool mHaveAbsMTTouchMinor = false;
+        bool mHaveAbsMTWidthMinor = false;
+        bool mHaveAbsMTToolType = false;
 
-        int32_t mAbsMTPositionX;
-        int32_t mAbsMTPositionY;
-        int32_t mAbsMTTouchMajor;
-        int32_t mAbsMTTouchMinor;
-        int32_t mAbsMTWidthMajor;
-        int32_t mAbsMTWidthMinor;
-        int32_t mAbsMTOrientation;
-        int32_t mAbsMTTrackingId;
-        int32_t mAbsMTPressure;
-        int32_t mAbsMTDistance;
-        int32_t mAbsMTToolType;
+        int32_t mAbsMTPositionX = 0;
+        int32_t mAbsMTPositionY = 0;
+        int32_t mAbsMTTouchMajor = 0;
+        int32_t mAbsMTTouchMinor = 0;
+        int32_t mAbsMTWidthMajor = 0;
+        int32_t mAbsMTWidthMinor = 0;
+        int32_t mAbsMTOrientation = 0;
+        int32_t mAbsMTTrackingId = -1;
+        int32_t mAbsMTPressure = 0;
+        int32_t mAbsMTDistance = 0;
+        int32_t mAbsMTToolType = 0;
 
-        Slot();
-        void clear();
+        void clear() { *this = Slot(); }
     };
 
     MultiTouchMotionAccumulator();
-    ~MultiTouchMotionAccumulator();
 
     void configure(InputDeviceContext& deviceContext, size_t slotCount, bool usingSlotsProtocol);
-    void reset(InputDeviceContext& deviceContext);
     void process(const RawEvent* rawEvent);
     void finishSync();
     bool hasStylus() const;
 
-    inline size_t getSlotCount() const { return mSlotCount; }
-    inline const Slot* getSlot(size_t index) const { return &mSlots[index]; }
+    inline size_t getSlotCount() const { return mSlots.size(); }
+    inline const Slot& getSlot(size_t index) const {
+        LOG_ALWAYS_FATAL_IF(index < 0 || index >= mSlots.size(), "Invalid index: %zu", index);
+        return mSlots[index];
+    }
 
 private:
     int32_t mCurrentSlot;
-    Slot* mSlots;
-    size_t mSlotCount;
+    std::vector<Slot> mSlots;
     bool mUsingSlotsProtocol;
     bool mHaveStylus;
 
-    void clearSlots(int32_t initialSlot);
+    void resetSlots();
     void warnIfNotInUse(const RawEvent& event, const Slot& slot);
 };
 
@@ -95,8 +93,8 @@
     explicit MultiTouchInputMapper(InputDeviceContext& deviceContext);
     ~MultiTouchInputMapper() override;
 
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 protected:
     void syncTouch(nsecs_t when, RawState* outState) override;
@@ -122,5 +120,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_MULTI_TOUCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
index eca25f6..29a1bda 100644
--- a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
@@ -40,10 +40,10 @@
 
     if (mRotaryEncoderScrollAccumulator.haveRelativeVWheel()) {
         float res = 0.0f;
-        if (!getDeviceContext().getConfiguration().tryGetProperty(String8("device.res"), res)) {
+        if (!getDeviceContext().getConfiguration().tryGetProperty("device.res", res)) {
             ALOGW("Rotary Encoder device configuration file didn't specify resolution!\n");
         }
-        if (!getDeviceContext().getConfiguration().tryGetProperty(String8("device.scalingFactor"),
+        if (!getDeviceContext().getConfiguration().tryGetProperty("device.scalingFactor",
                                                                   mScalingFactor)) {
             ALOGW("Rotary Encoder device configuration file didn't specify scaling factor,"
                   "default to 1.0!\n");
@@ -60,9 +60,10 @@
                          toString(mRotaryEncoderScrollAccumulator.haveRelativeVWheel()));
 }
 
-void RotaryEncoderInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                         uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> RotaryEncoderInputMapper::configure(nsecs_t when,
+                                                          const InputReaderConfiguration* config,
+                                                          uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
     if (!changes) {
         mRotaryEncoderScrollAccumulator.configure(getDeviceContext());
     }
@@ -75,23 +76,27 @@
             mOrientation = DISPLAY_ORIENTATION_0;
         }
     }
+    return out;
 }
 
-void RotaryEncoderInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> RotaryEncoderInputMapper::reset(nsecs_t when) {
     mRotaryEncoderScrollAccumulator.reset(getDeviceContext());
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
-void RotaryEncoderInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> RotaryEncoderInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     mRotaryEncoderScrollAccumulator.process(rawEvent);
 
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        out += sync(rawEvent->when, rawEvent->readTime);
     }
+    return out;
 }
 
-void RotaryEncoderInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> RotaryEncoderInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     PointerCoords pointerCoords;
     pointerCoords.clear();
 
@@ -121,16 +126,17 @@
         int32_t metaState = getContext()->getGlobalMetaState();
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll * mScalingFactor);
 
-        NotifyMotionArgs scrollArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
-                                    mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0,
-                                    0, metaState, /* buttonState */ 0, MotionClassification::NONE,
-                                    AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
-                                    &pointerCoords, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                                    AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {});
-        getListener().notifyMotion(&scrollArgs);
+        out.push_back(
+                NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
+                                 displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0,
+                                 metaState, /* buttonState */ 0, MotionClassification::NONE,
+                                 AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                 &pointerCoords, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                 AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {}));
     }
 
     mRotaryEncoderScrollAccumulator.finishSync();
+    return out;
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
index 1859355..f4352e7 100644
--- a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
+++ b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
-#define _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
+#pragma once
 
 #include "CursorScrollAccumulator.h"
 #include "InputMapper.h"
@@ -30,10 +29,11 @@
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     virtual void dump(std::string& dump) override;
-    virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
-                           uint32_t changes) override;
-    virtual void reset(nsecs_t when) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 private:
     CursorScrollAccumulator mRotaryEncoderScrollAccumulator;
@@ -42,9 +42,7 @@
     float mScalingFactor;
     int32_t mOrientation;
 
-    void sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.cpp b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
index b01c2bc..d81022f 100644
--- a/services/inputflinger/reader/mapper/SensorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
@@ -64,7 +64,7 @@
 template <typename T>
 bool SensorInputMapper::tryGetProperty(std::string keyName, T& outValue) {
     const auto& config = getDeviceContext().getConfiguration();
-    return config.tryGetProperty(String8(keyName.c_str()), outValue);
+    return config.tryGetProperty(keyName, outValue);
 }
 
 void SensorInputMapper::parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
@@ -122,9 +122,10 @@
     }
 }
 
-void SensorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                  uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> SensorInputMapper::configure(nsecs_t when,
+                                                   const InputReaderConfiguration* config,
+                                                   uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     if (!changes) { // first time only
         mDeviceEnabled = true;
@@ -158,6 +159,7 @@
             }
         }
     }
+    return out;
 }
 
 SensorInputMapper::Axis SensorInputMapper::createAxis(const AxisInfo& axisInfo,
@@ -185,7 +187,7 @@
     return Axis(rawAxisInfo, axisInfo, scale, offset, min, max, flat, fuzz, resolution, filter);
 }
 
-void SensorInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> SensorInputMapper::reset(nsecs_t when) {
     // Recenter all axes.
     for (std::pair<const int32_t, Axis>& pair : mAxes) {
         Axis& axis = pair.second;
@@ -193,7 +195,7 @@
     }
     mHardwareTimestamp = 0;
     mPrevMscTime = 0;
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
 SensorInputMapper::Sensor SensorInputMapper::createSensor(InputDeviceSensorType sensorType,
@@ -256,7 +258,8 @@
     mPrevMscTime = static_cast<uint32_t>(mscTime);
 }
 
-void SensorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> SensorInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_ABS: {
             auto it = mAxes.find(rawEvent->code);
@@ -274,7 +277,7 @@
                         Axis& axis = pair.second;
                         axis.currentValue = axis.newValue;
                     }
-                    sync(rawEvent->when, false /*force*/);
+                    out += sync(rawEvent->when, false /*force*/);
                     break;
             }
             break;
@@ -287,6 +290,7 @@
                     break;
             }
     }
+    return out;
 }
 
 bool SensorInputMapper::setSensorEnabled(InputDeviceSensorType sensorType, bool enabled) {
@@ -375,7 +379,8 @@
     }
 }
 
-void SensorInputMapper::sync(nsecs_t when, bool force) {
+std::list<NotifyArgs> SensorInputMapper::sync(nsecs_t when, bool force) {
+    std::list<NotifyArgs> out;
     for (auto& [sensorType, sensor] : mSensors) {
         // Skip if sensor not enabled
         if (!sensor.enabled) {
@@ -405,17 +410,17 @@
             // Convert to Android unit
             convertFromLinuxToAndroid(values, sensorType);
             // Notify dispatcher for sensor event
-            NotifySensorArgs args(getContext()->getNextId(), when, getDeviceId(),
-                                  AINPUT_SOURCE_SENSOR, sensorType, sensor.sensorInfo.accuracy,
-                                  sensor.accuracy !=
-                                          sensor.sensorInfo.accuracy /* accuracyChanged */,
-                                  timestamp /* hwTimestamp */, values);
-
-            getListener().notifySensor(&args);
+            out.push_back(NotifySensorArgs(getContext()->getNextId(), when, getDeviceId(),
+                                           AINPUT_SOURCE_SENSOR, sensorType,
+                                           sensor.sensorInfo.accuracy,
+                                           sensor.accuracy !=
+                                                   sensor.sensorInfo.accuracy /* accuracyChanged */,
+                                           timestamp /* hwTimestamp */, values));
             sensor.lastSampleTimeNs = timestamp;
             sensor.accuracy = sensor.sensorInfo.accuracy;
         }
     }
+    return out;
 }
 
 } // namespace android
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.h b/services/inputflinger/reader/mapper/SensorInputMapper.h
index 27a6177..457567b 100644
--- a/services/inputflinger/reader/mapper/SensorInputMapper.h
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -31,9 +30,11 @@
     uint32_t getSources() const override;
     void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     void dump(std::string& dump) override;
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
     bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
                       std::chrono::microseconds maxBatchReportLatency) override;
     void disableSensor(InputDeviceSensorType sensorType) override;
@@ -117,7 +118,7 @@
     // Sensor list
     std::unordered_map<InputDeviceSensorType, Sensor> mSensors;
 
-    void sync(nsecs_t when, bool force);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, bool force);
 
     template <typename T>
     bool tryGetProperty(std::string keyName, T& outValue);
@@ -133,5 +134,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp b/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
index 4fff9be..13ad224 100644
--- a/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SingleTouchInputMapper.cpp
@@ -23,16 +23,17 @@
 
 SingleTouchInputMapper::~SingleTouchInputMapper() {}
 
-void SingleTouchInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> SingleTouchInputMapper::reset(nsecs_t when) {
     mSingleTouchMotionAccumulator.reset(getDeviceContext());
 
-    TouchInputMapper::reset(when);
+    return TouchInputMapper::reset(when);
 }
 
-void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
-    TouchInputMapper::process(rawEvent);
+std::list<NotifyArgs> SingleTouchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out = TouchInputMapper::process(rawEvent);
 
     mSingleTouchMotionAccumulator.process(rawEvent);
+    return out;
 }
 
 void SingleTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
diff --git a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
index 9cb3f67..662e6bc 100644
--- a/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SingleTouchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include "SingleTouchMotionAccumulator.h"
 #include "TouchInputMapper.h"
@@ -27,8 +26,8 @@
     explicit SingleTouchInputMapper(InputDeviceContext& deviceContext);
     ~SingleTouchInputMapper() override;
 
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
 protected:
     void syncTouch(nsecs_t when, RawState* outState) override;
@@ -40,5 +39,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SINGLE_TOUCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/SwitchInputMapper.cpp b/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
index ebb5de6..c9101ca 100644
--- a/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/SwitchInputMapper.cpp
@@ -29,7 +29,8 @@
     return AINPUT_SOURCE_SWITCH;
 }
 
-void SwitchInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> SwitchInputMapper::process(const RawEvent* rawEvent) {
+    std::list<NotifyArgs> out;
     switch (rawEvent->type) {
         case EV_SW:
             processSwitch(rawEvent->code, rawEvent->value);
@@ -37,9 +38,10 @@
 
         case EV_SYN:
             if (rawEvent->code == SYN_REPORT) {
-                sync(rawEvent->when);
+                out += sync(rawEvent->when);
             }
     }
+    return out;
 }
 
 void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
@@ -53,15 +55,16 @@
     }
 }
 
-void SwitchInputMapper::sync(nsecs_t when) {
+std::list<NotifyArgs> SwitchInputMapper::sync(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mUpdatedSwitchMask) {
         uint32_t updatedSwitchValues = mSwitchValues & mUpdatedSwitchMask;
-        NotifySwitchArgs args(getContext()->getNextId(), when, 0 /*policyFlags*/,
-                              updatedSwitchValues, mUpdatedSwitchMask);
-        getListener().notifySwitch(&args);
+        out.push_back(NotifySwitchArgs(getContext()->getNextId(), when, 0 /*policyFlags*/,
+                                       updatedSwitchValues, mUpdatedSwitchMask));
 
         mUpdatedSwitchMask = 0;
     }
+    return out;
 }
 
 int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
diff --git a/services/inputflinger/reader/mapper/SwitchInputMapper.h b/services/inputflinger/reader/mapper/SwitchInputMapper.h
index 64b9aa2..06d6504 100644
--- a/services/inputflinger/reader/mapper/SwitchInputMapper.h
+++ b/services/inputflinger/reader/mapper/SwitchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -27,7 +26,7 @@
     virtual ~SwitchInputMapper();
 
     virtual uint32_t getSources() const override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode) override;
     virtual void dump(std::string& dump) override;
@@ -37,9 +36,7 @@
     uint32_t mUpdatedSwitchMask;
 
     void processSwitch(int32_t switchCode, int32_t switchValue);
-    void sync(nsecs_t when);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when);
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
index 31a3d2e..5a7ba9a 100644
--- a/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
+++ b/services/inputflinger/reader/mapper/TouchCursorInputMapperCommon.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
-#define _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
+#pragma once
 
 #include <input/DisplayViewport.h>
 #include <stdint.h>
@@ -72,32 +71,34 @@
              AMOTION_EVENT_BUTTON_TERTIARY);
 }
 
-static void synthesizeButtonKey(InputReaderContext* context, int32_t action, nsecs_t when,
-                                nsecs_t readTime, int32_t deviceId, uint32_t source,
-                                int32_t displayId, uint32_t policyFlags, int32_t lastButtonState,
-                                int32_t currentButtonState, int32_t buttonState, int32_t keyCode) {
+[[nodiscard]] static std::list<NotifyArgs> synthesizeButtonKey(
+        InputReaderContext* context, int32_t action, nsecs_t when, nsecs_t readTime,
+        int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
+        int32_t lastButtonState, int32_t currentButtonState, int32_t buttonState, int32_t keyCode) {
+    std::list<NotifyArgs> out;
     if ((action == AKEY_EVENT_ACTION_DOWN && !(lastButtonState & buttonState) &&
          (currentButtonState & buttonState)) ||
         (action == AKEY_EVENT_ACTION_UP && (lastButtonState & buttonState) &&
          !(currentButtonState & buttonState))) {
-        NotifyKeyArgs args(context->getNextId(), when, readTime, deviceId, source, displayId,
-                           policyFlags, action, 0, keyCode, 0, context->getGlobalMetaState(), when);
-        context->getListener().notifyKey(&args);
+        out.push_back(NotifyKeyArgs(context->getNextId(), when, readTime, deviceId, source,
+                                    displayId, policyFlags, action, 0, keyCode, 0,
+                                    context->getGlobalMetaState(), when));
     }
+    return out;
 }
 
-static void synthesizeButtonKeys(InputReaderContext* context, int32_t action, nsecs_t when,
-                                 nsecs_t readTime, int32_t deviceId, uint32_t source,
-                                 int32_t displayId, uint32_t policyFlags, int32_t lastButtonState,
-                                 int32_t currentButtonState) {
-    synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId, policyFlags,
-                        lastButtonState, currentButtonState, AMOTION_EVENT_BUTTON_BACK,
-                        AKEYCODE_BACK);
-    synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId, policyFlags,
-                        lastButtonState, currentButtonState, AMOTION_EVENT_BUTTON_FORWARD,
-                        AKEYCODE_FORWARD);
+[[nodiscard]] static std::list<NotifyArgs> synthesizeButtonKeys(
+        InputReaderContext* context, int32_t action, nsecs_t when, nsecs_t readTime,
+        int32_t deviceId, uint32_t source, int32_t displayId, uint32_t policyFlags,
+        int32_t lastButtonState, int32_t currentButtonState) {
+    std::list<NotifyArgs> out;
+    out += synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId,
+                               policyFlags, lastButtonState, currentButtonState,
+                               AMOTION_EVENT_BUTTON_BACK, AKEYCODE_BACK);
+    out += synthesizeButtonKey(context, action, when, readTime, deviceId, source, displayId,
+                               policyFlags, lastButtonState, currentButtonState,
+                               AMOTION_EVENT_BUTTON_FORWARD, AKEYCODE_FORWARD);
+    return out;
 }
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_CURSOR_INPUT_MAPPER_COMMON_H
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 2ddacef..da58efd 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -42,6 +42,8 @@
 // data.
 static constexpr nsecs_t STYLUS_DATA_LATENCY = ms2ns(10);
 
+// Minimum width between two pointers to determine a gesture as freeform gesture in mm
+static const float MIN_FREEFORM_GESTURE_WIDTH_IN_MILLIMETER = 30;
 // --- Static Definitions ---
 
 static const DisplayViewport kUninitializedViewport;
@@ -206,30 +208,30 @@
                                  y.fuzz, y.resolution);
         }
 
-        if (mOrientedRanges.haveSize) {
-            info->addMotionRange(mOrientedRanges.size);
+        if (mOrientedRanges.size) {
+            info->addMotionRange(*mOrientedRanges.size);
         }
 
-        if (mOrientedRanges.haveTouchSize) {
-            info->addMotionRange(mOrientedRanges.touchMajor);
-            info->addMotionRange(mOrientedRanges.touchMinor);
+        if (mOrientedRanges.touchMajor) {
+            info->addMotionRange(*mOrientedRanges.touchMajor);
+            info->addMotionRange(*mOrientedRanges.touchMinor);
         }
 
-        if (mOrientedRanges.haveToolSize) {
-            info->addMotionRange(mOrientedRanges.toolMajor);
-            info->addMotionRange(mOrientedRanges.toolMinor);
+        if (mOrientedRanges.toolMajor) {
+            info->addMotionRange(*mOrientedRanges.toolMajor);
+            info->addMotionRange(*mOrientedRanges.toolMinor);
         }
 
-        if (mOrientedRanges.haveOrientation) {
-            info->addMotionRange(mOrientedRanges.orientation);
+        if (mOrientedRanges.orientation) {
+            info->addMotionRange(*mOrientedRanges.orientation);
         }
 
-        if (mOrientedRanges.haveDistance) {
-            info->addMotionRange(mOrientedRanges.distance);
+        if (mOrientedRanges.distance) {
+            info->addMotionRange(*mOrientedRanges.distance);
         }
 
-        if (mOrientedRanges.haveTilt) {
-            info->addMotionRange(mOrientedRanges.tilt);
+        if (mOrientedRanges.tilt) {
+            info->addMotionRange(*mOrientedRanges.tilt);
         }
 
         if (mCursorScrollAccumulator.haveRelativeVWheel()) {
@@ -344,9 +346,10 @@
     }
 }
 
-void TouchInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
-                                 uint32_t changes) {
-    InputMapper::configure(when, config, changes);
+std::list<NotifyArgs> TouchInputMapper::configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) {
+    std::list<NotifyArgs> out = InputMapper::configure(when, config, changes);
 
     mConfig = *config;
 
@@ -393,14 +396,14 @@
 
     if (changes && resetNeeded) {
         // If the device needs to be reset, cancel any ongoing gestures and reset the state.
-        cancelTouch(when, when);
-        reset(when);
+        out += cancelTouch(when, when);
+        out += reset(when);
 
         // Send reset, unless this is the first time the device has been configured,
         // in which case the reader will call reset itself after all mappers are ready.
-        NotifyDeviceResetArgs args(getContext()->getNextId(), when, getDeviceId());
-        getListener().notifyDeviceReset(&args);
+        out.push_back(NotifyDeviceResetArgs(getContext()->getNextId(), when, getDeviceId()));
     }
+    return out;
 }
 
 void TouchInputMapper::resolveExternalStylusPresence() {
@@ -421,15 +424,15 @@
             ? Parameters::GestureMode::SINGLE_TOUCH
             : Parameters::GestureMode::MULTI_TOUCH;
 
-    String8 gestureModeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.gestureMode"),
+    std::string gestureModeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.gestureMode",
                                                              gestureModeString)) {
         if (gestureModeString == "single-touch") {
             mParameters.gestureMode = Parameters::GestureMode::SINGLE_TOUCH;
         } else if (gestureModeString == "multi-touch") {
             mParameters.gestureMode = Parameters::GestureMode::MULTI_TOUCH;
         } else if (gestureModeString != "default") {
-            ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string());
+            ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.c_str());
         }
     }
 
@@ -439,11 +442,6 @@
     } else if (getDeviceContext().hasInputProperty(INPUT_PROP_POINTER)) {
         // The device is a pointing device like a track pad.
         mParameters.deviceType = Parameters::DeviceType::POINTER;
-    } else if (getDeviceContext().hasRelativeAxis(REL_X) ||
-               getDeviceContext().hasRelativeAxis(REL_Y)) {
-        // The device is a cursor device with a touch pad attached.
-        // By default don't use the touch pad to move the pointer.
-        mParameters.deviceType = Parameters::DeviceType::TOUCH_PAD;
     } else {
         // The device is a touch pad of unknown purpose.
         mParameters.deviceType = Parameters::DeviceType::POINTER;
@@ -451,29 +449,27 @@
 
     mParameters.hasButtonUnderPad = getDeviceContext().hasInputProperty(INPUT_PROP_BUTTONPAD);
 
-    String8 deviceTypeString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.deviceType"),
+    std::string deviceTypeString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.deviceType",
                                                              deviceTypeString)) {
         if (deviceTypeString == "touchScreen") {
             mParameters.deviceType = Parameters::DeviceType::TOUCH_SCREEN;
-        } else if (deviceTypeString == "touchPad") {
-            mParameters.deviceType = Parameters::DeviceType::TOUCH_PAD;
         } else if (deviceTypeString == "touchNavigation") {
             mParameters.deviceType = Parameters::DeviceType::TOUCH_NAVIGATION;
         } else if (deviceTypeString == "pointer") {
             mParameters.deviceType = Parameters::DeviceType::POINTER;
         } else if (deviceTypeString != "default") {
-            ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
+            ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.c_str());
         }
     }
 
     mParameters.orientationAware = mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN;
-    getDeviceContext().getConfiguration().tryGetProperty(String8("touch.orientationAware"),
+    getDeviceContext().getConfiguration().tryGetProperty("touch.orientationAware",
                                                          mParameters.orientationAware);
 
     mParameters.orientation = Parameters::Orientation::ORIENTATION_0;
-    String8 orientationString;
-    if (getDeviceContext().getConfiguration().tryGetProperty(String8("touch.orientation"),
+    std::string orientationString;
+    if (getDeviceContext().getConfiguration().tryGetProperty("touch.orientation",
                                                              orientationString)) {
         if (mParameters.deviceType != Parameters::DeviceType::TOUCH_SCREEN) {
             ALOGW("The configuration 'touch.orientation' is only supported for touchscreens.");
@@ -484,7 +480,7 @@
         } else if (orientationString == "ORIENTATION_270") {
             mParameters.orientation = Parameters::Orientation::ORIENTATION_270;
         } else if (orientationString != "ORIENTATION_0") {
-            ALOGW("Invalid value for touch.orientation: '%s'", orientationString.string());
+            ALOGW("Invalid value for touch.orientation: '%s'", orientationString.c_str());
         }
     }
 
@@ -496,8 +492,8 @@
         mParameters.hasAssociatedDisplay = true;
         if (mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN) {
             mParameters.associatedDisplayIsExternal = getDeviceContext().isExternal();
-            String8 uniqueDisplayId;
-            getDeviceContext().getConfiguration().tryGetProperty(String8("touch.displayId"),
+            std::string uniqueDisplayId;
+            getDeviceContext().getConfiguration().tryGetProperty("touch.displayId",
                                                                  uniqueDisplayId);
             mParameters.uniqueDisplayId = uniqueDisplayId.c_str();
         }
@@ -510,7 +506,7 @@
     // Normally we don't do this for internal touch screens to prevent them from waking
     // up in your pocket but you can enable it using the input device configuration.
     mParameters.wake = getDeviceContext().isExternal();
-    getDeviceContext().getConfiguration().tryGetProperty(String8("touch.wake"), mParameters.wake);
+    getDeviceContext().getConfiguration().tryGetProperty("touch.wake", mParameters.wake);
 }
 
 void TouchInputMapper::dumpParameters(std::string& dump) {
@@ -645,57 +641,58 @@
         mSizeScale = 0.0f;
     }
 
-    mOrientedRanges.haveTouchSize = true;
-    mOrientedRanges.haveToolSize = true;
-    mOrientedRanges.haveSize = true;
+    mOrientedRanges.touchMajor = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR,
+            .source = mSource,
+            .min = 0,
+            .max = diagonalSize,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 
-    mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR;
-    mOrientedRanges.touchMajor.source = mSource;
-    mOrientedRanges.touchMajor.min = 0;
-    mOrientedRanges.touchMajor.max = diagonalSize;
-    mOrientedRanges.touchMajor.flat = 0;
-    mOrientedRanges.touchMajor.fuzz = 0;
-    mOrientedRanges.touchMajor.resolution = 0;
     if (mRawPointerAxes.touchMajor.valid) {
         mRawPointerAxes.touchMajor.resolution =
                 clampResolution("touchMajor", mRawPointerAxes.touchMajor.resolution);
-        mOrientedRanges.touchMajor.resolution = mRawPointerAxes.touchMajor.resolution;
+        mOrientedRanges.touchMajor->resolution = mRawPointerAxes.touchMajor.resolution;
     }
 
     mOrientedRanges.touchMinor = mOrientedRanges.touchMajor;
-    mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
+    mOrientedRanges.touchMinor->axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
     if (mRawPointerAxes.touchMinor.valid) {
         mRawPointerAxes.touchMinor.resolution =
                 clampResolution("touchMinor", mRawPointerAxes.touchMinor.resolution);
-        mOrientedRanges.touchMinor.resolution = mRawPointerAxes.touchMinor.resolution;
+        mOrientedRanges.touchMinor->resolution = mRawPointerAxes.touchMinor.resolution;
     }
 
-    mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR;
-    mOrientedRanges.toolMajor.source = mSource;
-    mOrientedRanges.toolMajor.min = 0;
-    mOrientedRanges.toolMajor.max = diagonalSize;
-    mOrientedRanges.toolMajor.flat = 0;
-    mOrientedRanges.toolMajor.fuzz = 0;
-    mOrientedRanges.toolMajor.resolution = 0;
+    mOrientedRanges.toolMajor = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_TOOL_MAJOR,
+            .source = mSource,
+            .min = 0,
+            .max = diagonalSize,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
     if (mRawPointerAxes.toolMajor.valid) {
         mRawPointerAxes.toolMajor.resolution =
                 clampResolution("toolMajor", mRawPointerAxes.toolMajor.resolution);
-        mOrientedRanges.toolMajor.resolution = mRawPointerAxes.toolMajor.resolution;
+        mOrientedRanges.toolMajor->resolution = mRawPointerAxes.toolMajor.resolution;
     }
 
     mOrientedRanges.toolMinor = mOrientedRanges.toolMajor;
-    mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
+    mOrientedRanges.toolMinor->axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
     if (mRawPointerAxes.toolMinor.valid) {
         mRawPointerAxes.toolMinor.resolution =
                 clampResolution("toolMinor", mRawPointerAxes.toolMinor.resolution);
-        mOrientedRanges.toolMinor.resolution = mRawPointerAxes.toolMinor.resolution;
+        mOrientedRanges.toolMinor->resolution = mRawPointerAxes.toolMinor.resolution;
     }
 
     if (mCalibration.sizeCalibration == Calibration::SizeCalibration::GEOMETRIC) {
-        mOrientedRanges.touchMajor.resolution *= mGeometricScale;
-        mOrientedRanges.touchMinor.resolution *= mGeometricScale;
-        mOrientedRanges.toolMajor.resolution *= mGeometricScale;
-        mOrientedRanges.toolMinor.resolution *= mGeometricScale;
+        mOrientedRanges.touchMajor->resolution *= mGeometricScale;
+        mOrientedRanges.touchMinor->resolution *= mGeometricScale;
+        mOrientedRanges.toolMajor->resolution *= mGeometricScale;
+        mOrientedRanges.toolMinor->resolution *= mGeometricScale;
     } else {
         // Support for other calibrations can be added here.
         ALOGW("%s calibration is not supported for size ranges at the moment. "
@@ -703,13 +700,15 @@
               ftl::enum_string(mCalibration.sizeCalibration).c_str());
     }
 
-    mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE;
-    mOrientedRanges.size.source = mSource;
-    mOrientedRanges.size.min = 0;
-    mOrientedRanges.size.max = 1.0;
-    mOrientedRanges.size.flat = 0;
-    mOrientedRanges.size.fuzz = 0;
-    mOrientedRanges.size.resolution = 0;
+    mOrientedRanges.size = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_SIZE,
+            .source = mSource,
+            .min = 0,
+            .max = 1.0,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 }
 
 void TouchInputMapper::initializeOrientedRanges() {
@@ -736,21 +735,23 @@
     float pressureMax = 1.0;
     if (mCalibration.pressureCalibration == Calibration::PressureCalibration::PHYSICAL ||
         mCalibration.pressureCalibration == Calibration::PressureCalibration::AMPLITUDE) {
-        if (mCalibration.havePressureScale) {
-            mPressureScale = mCalibration.pressureScale;
+        if (mCalibration.pressureScale) {
+            mPressureScale = *mCalibration.pressureScale;
             pressureMax = mPressureScale * mRawPointerAxes.pressure.maxValue;
         } else if (mRawPointerAxes.pressure.valid && mRawPointerAxes.pressure.maxValue != 0) {
             mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue;
         }
     }
 
-    mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE;
-    mOrientedRanges.pressure.source = mSource;
-    mOrientedRanges.pressure.min = 0;
-    mOrientedRanges.pressure.max = pressureMax;
-    mOrientedRanges.pressure.flat = 0;
-    mOrientedRanges.pressure.fuzz = 0;
-    mOrientedRanges.pressure.resolution = 0;
+    mOrientedRanges.pressure = InputDeviceInfo::MotionRange{
+            .axis = AMOTION_EVENT_AXIS_PRESSURE,
+            .source = mSource,
+            .min = 0,
+            .max = pressureMax,
+            .flat = 0,
+            .fuzz = 0,
+            .resolution = 0,
+    };
 
     // Tilt
     mTiltXCenter = 0;
@@ -771,29 +772,30 @@
             mTiltYScale = 1.0 / mRawPointerAxes.tiltY.resolution;
         }
 
-        mOrientedRanges.haveTilt = true;
-
-        mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT;
-        mOrientedRanges.tilt.source = mSource;
-        mOrientedRanges.tilt.min = 0;
-        mOrientedRanges.tilt.max = M_PI_2;
-        mOrientedRanges.tilt.flat = 0;
-        mOrientedRanges.tilt.fuzz = 0;
-        mOrientedRanges.tilt.resolution = 0;
+        mOrientedRanges.tilt = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_TILT,
+                .source = mSource,
+                .min = 0,
+                .max = M_PI_2,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
     }
 
     // Orientation
     mOrientationScale = 0;
     if (mHaveTilt) {
-        mOrientedRanges.haveOrientation = true;
+        mOrientedRanges.orientation = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_ORIENTATION,
+                .source = mSource,
+                .min = -M_PI,
+                .max = M_PI,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
 
-        mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
-        mOrientedRanges.orientation.source = mSource;
-        mOrientedRanges.orientation.min = -M_PI;
-        mOrientedRanges.orientation.max = M_PI;
-        mOrientedRanges.orientation.flat = 0;
-        mOrientedRanges.orientation.fuzz = 0;
-        mOrientedRanges.orientation.resolution = 0;
     } else if (mCalibration.orientationCalibration != Calibration::OrientationCalibration::NONE) {
         if (mCalibration.orientationCalibration ==
             Calibration::OrientationCalibration::INTERPOLATED) {
@@ -808,37 +810,34 @@
             }
         }
 
-        mOrientedRanges.haveOrientation = true;
-
-        mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
-        mOrientedRanges.orientation.source = mSource;
-        mOrientedRanges.orientation.min = -M_PI_2;
-        mOrientedRanges.orientation.max = M_PI_2;
-        mOrientedRanges.orientation.flat = 0;
-        mOrientedRanges.orientation.fuzz = 0;
-        mOrientedRanges.orientation.resolution = 0;
+        mOrientedRanges.orientation = InputDeviceInfo::MotionRange{
+                .axis = AMOTION_EVENT_AXIS_ORIENTATION,
+                .source = mSource,
+                .min = -M_PI_2,
+                .max = M_PI_2,
+                .flat = 0,
+                .fuzz = 0,
+                .resolution = 0,
+        };
     }
 
     // Distance
     mDistanceScale = 0;
     if (mCalibration.distanceCalibration != Calibration::DistanceCalibration::NONE) {
         if (mCalibration.distanceCalibration == Calibration::DistanceCalibration::SCALED) {
-            if (mCalibration.haveDistanceScale) {
-                mDistanceScale = mCalibration.distanceScale;
-            } else {
-                mDistanceScale = 1.0f;
-            }
+            mDistanceScale = mCalibration.distanceScale.value_or(1.0f);
         }
 
-        mOrientedRanges.haveDistance = true;
+        mOrientedRanges.distance = InputDeviceInfo::MotionRange{
 
-        mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE;
-        mOrientedRanges.distance.source = mSource;
-        mOrientedRanges.distance.min = mRawPointerAxes.distance.minValue * mDistanceScale;
-        mOrientedRanges.distance.max = mRawPointerAxes.distance.maxValue * mDistanceScale;
-        mOrientedRanges.distance.flat = 0;
-        mOrientedRanges.distance.fuzz = mRawPointerAxes.distance.fuzz * mDistanceScale;
-        mOrientedRanges.distance.resolution = 0;
+                .axis = AMOTION_EVENT_AXIS_DISTANCE,
+                .source = mSource,
+                .min = mRawPointerAxes.distance.minValue * mDistanceScale,
+                .max = mRawPointerAxes.distance.maxValue * mDistanceScale,
+                .flat = 0,
+                .fuzz = mRawPointerAxes.distance.fuzz * mDistanceScale,
+                .resolution = 0,
+        };
     }
 
     // Compute oriented precision, scales and ranges.
@@ -935,6 +934,11 @@
     // Raw width and height in the natural orientation.
     const int32_t rawWidth = mRawPointerAxes.getRawWidth();
     const int32_t rawHeight = mRawPointerAxes.getRawHeight();
+    const int32_t rawXResolution = mRawPointerAxes.x.resolution;
+    const int32_t rawYResolution = mRawPointerAxes.y.resolution;
+    // Calculate the mean resolution when both x and y resolution are set, otherwise set it to 0.
+    const float rawMeanResolution =
+            (rawXResolution > 0 && rawYResolution > 0) ? (rawXResolution + rawYResolution) / 2 : 0;
 
     const DisplayViewport& newViewport = newViewportOpt.value_or(kUninitializedViewport);
     const bool viewportChanged = mViewport != newViewport;
@@ -1017,8 +1021,9 @@
                     : getInverseRotation(mViewport.orientation);
             // For orientation-aware devices that work in the un-rotated coordinate space, the
             // viewport update should be skipped if it is only a change in the orientation.
-            skipViewportUpdate = mParameters.orientationAware && mDisplayWidth == oldDisplayWidth &&
-                    mDisplayHeight == oldDisplayHeight && viewportOrientationChanged;
+            skipViewportUpdate = !viewportDisplayIdChanged && mParameters.orientationAware &&
+                    mDisplayWidth == oldDisplayWidth && mDisplayHeight == oldDisplayHeight &&
+                    viewportOrientationChanged;
 
             // Apply the input device orientation for the device.
             mInputDeviceOrientation =
@@ -1033,8 +1038,6 @@
             mDisplayHeight = rawHeight;
             mInputDeviceOrientation = DISPLAY_ORIENTATION_0;
         }
-        // If displayId changed, do not skip viewport update.
-        skipViewportUpdate &= !viewportDisplayIdChanged;
     }
 
     // If moving between pointer modes, need to reset some state.
@@ -1097,10 +1100,14 @@
                     mConfig.pointerGestureZoomSpeedRatio * displayDiagonal / rawDiagonal;
             mPointerYZoomScale = mPointerXZoomScale;
 
-            // Max width between pointers to detect a swipe gesture is more than some fraction
-            // of the diagonal axis of the touch pad.  Touches that are wider than this are
-            // translated into freeform gestures.
-            mPointerGestureMaxSwipeWidth = mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal;
+            // Calculate the min freeform gesture width. It will be 0 when the resolution of any
+            // axis is non positive value.
+            const float minFreeformGestureWidth =
+                    rawMeanResolution * MIN_FREEFORM_GESTURE_WIDTH_IN_MILLIMETER;
+
+            mPointerGestureMaxSwipeWidth =
+                    std::max(mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal,
+                             minFreeformGestureWidth);
         }
 
         // Inform the dispatcher about the changes.
@@ -1191,8 +1198,8 @@
 
     // Size
     out.sizeCalibration = Calibration::SizeCalibration::DEFAULT;
-    String8 sizeCalibrationString;
-    if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
+    std::string sizeCalibrationString;
+    if (in.tryGetProperty("touch.size.calibration", sizeCalibrationString)) {
         if (sizeCalibrationString == "none") {
             out.sizeCalibration = Calibration::SizeCalibration::NONE;
         } else if (sizeCalibrationString == "geometric") {
@@ -1204,18 +1211,28 @@
         } else if (sizeCalibrationString == "area") {
             out.sizeCalibration = Calibration::SizeCalibration::AREA;
         } else if (sizeCalibrationString != "default") {
-            ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.string());
+            ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.c_str());
         }
     }
 
-    out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"), out.sizeScale);
-    out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"), out.sizeBias);
-    out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"), out.sizeIsSummed);
+    float sizeScale;
+
+    if (in.tryGetProperty("touch.size.scale", sizeScale)) {
+        out.sizeScale = sizeScale;
+    }
+    float sizeBias;
+    if (in.tryGetProperty("touch.size.bias", sizeBias)) {
+        out.sizeBias = sizeBias;
+    }
+    bool sizeIsSummed;
+    if (in.tryGetProperty("touch.size.isSummed", sizeIsSummed)) {
+        out.sizeIsSummed = sizeIsSummed;
+    }
 
     // Pressure
     out.pressureCalibration = Calibration::PressureCalibration::DEFAULT;
-    String8 pressureCalibrationString;
-    if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
+    std::string pressureCalibrationString;
+    if (in.tryGetProperty("touch.pressure.calibration", pressureCalibrationString)) {
         if (pressureCalibrationString == "none") {
             out.pressureCalibration = Calibration::PressureCalibration::NONE;
         } else if (pressureCalibrationString == "physical") {
@@ -1224,16 +1241,19 @@
             out.pressureCalibration = Calibration::PressureCalibration::AMPLITUDE;
         } else if (pressureCalibrationString != "default") {
             ALOGW("Invalid value for touch.pressure.calibration: '%s'",
-                  pressureCalibrationString.string());
+                  pressureCalibrationString.c_str());
         }
     }
 
-    out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"), out.pressureScale);
+    float pressureScale;
+    if (in.tryGetProperty("touch.pressure.scale", pressureScale)) {
+        out.pressureScale = pressureScale;
+    }
 
     // Orientation
     out.orientationCalibration = Calibration::OrientationCalibration::DEFAULT;
-    String8 orientationCalibrationString;
-    if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
+    std::string orientationCalibrationString;
+    if (in.tryGetProperty("touch.orientation.calibration", orientationCalibrationString)) {
         if (orientationCalibrationString == "none") {
             out.orientationCalibration = Calibration::OrientationCalibration::NONE;
         } else if (orientationCalibrationString == "interpolated") {
@@ -1242,36 +1262,39 @@
             out.orientationCalibration = Calibration::OrientationCalibration::VECTOR;
         } else if (orientationCalibrationString != "default") {
             ALOGW("Invalid value for touch.orientation.calibration: '%s'",
-                  orientationCalibrationString.string());
+                  orientationCalibrationString.c_str());
         }
     }
 
     // Distance
     out.distanceCalibration = Calibration::DistanceCalibration::DEFAULT;
-    String8 distanceCalibrationString;
-    if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) {
+    std::string distanceCalibrationString;
+    if (in.tryGetProperty("touch.distance.calibration", distanceCalibrationString)) {
         if (distanceCalibrationString == "none") {
             out.distanceCalibration = Calibration::DistanceCalibration::NONE;
         } else if (distanceCalibrationString == "scaled") {
             out.distanceCalibration = Calibration::DistanceCalibration::SCALED;
         } else if (distanceCalibrationString != "default") {
             ALOGW("Invalid value for touch.distance.calibration: '%s'",
-                  distanceCalibrationString.string());
+                  distanceCalibrationString.c_str());
         }
     }
 
-    out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"), out.distanceScale);
+    float distanceScale;
+    if (in.tryGetProperty("touch.distance.scale", distanceScale)) {
+        out.distanceScale = distanceScale;
+    }
 
     out.coverageCalibration = Calibration::CoverageCalibration::DEFAULT;
-    String8 coverageCalibrationString;
-    if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) {
+    std::string coverageCalibrationString;
+    if (in.tryGetProperty("touch.coverage.calibration", coverageCalibrationString)) {
         if (coverageCalibrationString == "none") {
             out.coverageCalibration = Calibration::CoverageCalibration::NONE;
         } else if (coverageCalibrationString == "box") {
             out.coverageCalibration = Calibration::CoverageCalibration::BOX;
         } else if (coverageCalibrationString != "default") {
             ALOGW("Invalid value for touch.coverage.calibration: '%s'",
-                  coverageCalibrationString.string());
+                  coverageCalibrationString.c_str());
         }
     }
 }
@@ -1325,17 +1348,17 @@
     dump += INDENT4 "touch.size.calibration: ";
     dump += ftl::enum_string(mCalibration.sizeCalibration) + "\n";
 
-    if (mCalibration.haveSizeScale) {
-        dump += StringPrintf(INDENT4 "touch.size.scale: %0.3f\n", mCalibration.sizeScale);
+    if (mCalibration.sizeScale) {
+        dump += StringPrintf(INDENT4 "touch.size.scale: %0.3f\n", *mCalibration.sizeScale);
     }
 
-    if (mCalibration.haveSizeBias) {
-        dump += StringPrintf(INDENT4 "touch.size.bias: %0.3f\n", mCalibration.sizeBias);
+    if (mCalibration.sizeBias) {
+        dump += StringPrintf(INDENT4 "touch.size.bias: %0.3f\n", *mCalibration.sizeBias);
     }
 
-    if (mCalibration.haveSizeIsSummed) {
+    if (mCalibration.sizeIsSummed) {
         dump += StringPrintf(INDENT4 "touch.size.isSummed: %s\n",
-                             toString(mCalibration.sizeIsSummed));
+                             toString(*mCalibration.sizeIsSummed));
     }
 
     // Pressure
@@ -1353,8 +1376,8 @@
             ALOG_ASSERT(false);
     }
 
-    if (mCalibration.havePressureScale) {
-        dump += StringPrintf(INDENT4 "touch.pressure.scale: %0.3f\n", mCalibration.pressureScale);
+    if (mCalibration.pressureScale) {
+        dump += StringPrintf(INDENT4 "touch.pressure.scale: %0.3f\n", *mCalibration.pressureScale);
     }
 
     // Orientation
@@ -1384,8 +1407,8 @@
             ALOG_ASSERT(false);
     }
 
-    if (mCalibration.haveDistanceScale) {
-        dump += StringPrintf(INDENT4 "touch.distance.scale: %0.3f\n", mCalibration.distanceScale);
+    if (mCalibration.distanceScale) {
+        dump += StringPrintf(INDENT4 "touch.distance.scale: %0.3f\n", *mCalibration.distanceScale);
     }
 
     switch (mCalibration.coverageCalibration) {
@@ -1416,7 +1439,7 @@
                                                                  mInputDeviceOrientation);
 }
 
-void TouchInputMapper::reset(nsecs_t when) {
+std::list<NotifyArgs> TouchInputMapper::reset(nsecs_t when) {
     mCursorButtonAccumulator.reset(getDeviceContext());
     mCursorScrollAccumulator.reset(getDeviceContext());
     mTouchButtonAccumulator.reset(getDeviceContext());
@@ -1447,7 +1470,7 @@
         mPointerController->clearSpots();
     }
 
-    InputMapper::reset(when);
+    return InputMapper::reset(when);
 }
 
 void TouchInputMapper::resetExternalStylus() {
@@ -1462,17 +1485,24 @@
     mExternalStylusFusionTimeout = LLONG_MAX;
 }
 
-void TouchInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> TouchInputMapper::process(const RawEvent* rawEvent) {
     mCursorButtonAccumulator.process(rawEvent);
     mCursorScrollAccumulator.process(rawEvent);
     mTouchButtonAccumulator.process(rawEvent);
 
+    std::list<NotifyArgs> out;
     if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
-        sync(rawEvent->when, rawEvent->readTime);
+        out += sync(rawEvent->when, rawEvent->readTime);
     }
+    return out;
 }
 
-void TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> TouchInputMapper::sync(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
+    if (mDeviceMode == DeviceMode::DISABLED) {
+        // Only save the last pending state when the device is disabled.
+        mRawStatesPending.clear();
+    }
     // Push a new state.
     mRawStatesPending.emplace_back();
 
@@ -1502,14 +1532,13 @@
         assignPointerIds(last, next);
     }
 
-    if (DEBUG_RAW_EVENTS) {
-        ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
-              "hovering ids 0x%08x -> 0x%08x, canceled ids 0x%08x",
-              last.rawPointerData.pointerCount, next.rawPointerData.pointerCount,
-              last.rawPointerData.touchingIdBits.value, next.rawPointerData.touchingIdBits.value,
-              last.rawPointerData.hoveringIdBits.value, next.rawPointerData.hoveringIdBits.value,
-              next.rawPointerData.canceledIdBits.value);
-    }
+    ALOGD_IF(DEBUG_RAW_EVENTS,
+             "syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
+             "hovering ids 0x%08x -> 0x%08x, canceled ids 0x%08x",
+             last.rawPointerData.pointerCount, next.rawPointerData.pointerCount,
+             last.rawPointerData.touchingIdBits.value, next.rawPointerData.touchingIdBits.value,
+             last.rawPointerData.hoveringIdBits.value, next.rawPointerData.hoveringIdBits.value,
+             next.rawPointerData.canceledIdBits.value);
 
     if (!next.rawPointerData.touchingIdBits.isEmpty() &&
         !next.rawPointerData.hoveringIdBits.isEmpty() &&
@@ -1518,16 +1547,18 @@
               next.rawPointerData.hoveringIdBits.value);
     }
 
-    processRawTouches(false /*timeout*/);
+    out += processRawTouches(false /*timeout*/);
+    return out;
 }
 
-void TouchInputMapper::processRawTouches(bool timeout) {
+std::list<NotifyArgs> TouchInputMapper::processRawTouches(bool timeout) {
+    std::list<NotifyArgs> out;
     if (mDeviceMode == DeviceMode::DISABLED) {
         // Drop all input if the device is disabled.
-        cancelTouch(mCurrentRawState.when, mCurrentRawState.readTime);
+        out += cancelTouch(mCurrentRawState.when, mCurrentRawState.readTime);
         mCurrentCookedState.clear();
         updateTouchSpots();
-        return;
+        return out;
     }
 
     // Drain any pending touch states. The invariant here is that the mCurrentRawState is always
@@ -1552,7 +1583,7 @@
             mCurrentRawState.when = mLastRawState.when;
             mCurrentRawState.readTime = mLastRawState.readTime;
         }
-        cookAndDispatch(mCurrentRawState.when, mCurrentRawState.readTime);
+        out += cookAndDispatch(mCurrentRawState.when, mCurrentRawState.readTime);
     }
     if (count != 0) {
         mRawStatesPending.erase(mRawStatesPending.begin(), mRawStatesPending.begin() + count);
@@ -1563,19 +1594,20 @@
             nsecs_t when = mExternalStylusFusionTimeout - STYLUS_DATA_LATENCY;
             clearStylusDataPendingFlags();
             mCurrentRawState.copyFrom(mLastRawState);
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Timeout expired, synthesizing event with new stylus data");
-            }
+            ALOGD_IF(DEBUG_STYLUS_FUSION,
+                     "Timeout expired, synthesizing event with new stylus data");
             const nsecs_t readTime = when; // consider this synthetic event to be zero latency
-            cookAndDispatch(when, readTime);
+            out += cookAndDispatch(when, readTime);
         } else if (mExternalStylusFusionTimeout == LLONG_MAX) {
             mExternalStylusFusionTimeout = mExternalStylusState.when + TOUCH_DATA_TIMEOUT;
             getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
         }
     }
+    return out;
 }
 
-void TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
+std::list<NotifyArgs> TouchInputMapper::cookAndDispatch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
     // Always start with a clean state.
     mCurrentCookedState.clear();
 
@@ -1601,7 +1633,9 @@
 
     // Consume raw off-screen touches before cooking pointer data.
     // If touches are consumed, subsequent code will not receive any pointer data.
-    if (consumeRawTouches(when, readTime, policyFlags)) {
+    bool consumed;
+    out += consumeRawTouches(when, readTime, policyFlags, consumed /*byref*/);
+    if (consumed) {
         mCurrentRawState.rawPointerData.clear();
     }
 
@@ -1614,9 +1648,9 @@
     applyExternalStylusTouchState(when);
 
     // Synthesize key down from raw buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
-                         mSource, mViewport.displayId, policyFlags, mLastCookedState.buttonState,
-                         mCurrentCookedState.buttonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, readTime, getDeviceId(),
+                                mSource, mViewport.displayId, policyFlags,
+                                mLastCookedState.buttonState, mCurrentCookedState.buttonState);
 
     // Dispatch the touches either directly or by translation through a pointer on screen.
     if (mDeviceMode == DeviceMode::POINTER) {
@@ -1658,15 +1692,15 @@
             pointerUsage = PointerUsage::GESTURES;
         }
 
-        dispatchPointerUsage(when, readTime, policyFlags, pointerUsage);
+        out += dispatchPointerUsage(when, readTime, policyFlags, pointerUsage);
     } else {
         if (!mCurrentMotionAborted) {
             updateTouchSpots();
-            dispatchButtonRelease(when, readTime, policyFlags);
-            dispatchHoverExit(when, readTime, policyFlags);
-            dispatchTouches(when, readTime, policyFlags);
-            dispatchHoverEnterAndMove(when, readTime, policyFlags);
-            dispatchButtonPress(when, readTime, policyFlags);
+            out += dispatchButtonRelease(when, readTime, policyFlags);
+            out += dispatchHoverExit(when, readTime, policyFlags);
+            out += dispatchTouches(when, readTime, policyFlags);
+            out += dispatchHoverEnterAndMove(when, readTime, policyFlags);
+            out += dispatchButtonPress(when, readTime, policyFlags);
         }
 
         if (mCurrentCookedState.cookedPointerData.pointerCount == 0) {
@@ -1675,9 +1709,9 @@
     }
 
     // Synthesize key up from raw buttons if needed.
-    synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(), mSource,
-                         mViewport.displayId, policyFlags, mLastCookedState.buttonState,
-                         mCurrentCookedState.buttonState);
+    out += synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, readTime, getDeviceId(),
+                                mSource, mViewport.displayId, policyFlags,
+                                mLastCookedState.buttonState, mCurrentCookedState.buttonState);
 
     // Clear some transient state.
     mCurrentRawState.rawVScroll = 0;
@@ -1686,6 +1720,7 @@
     // Copy current touch to last touch in preparation for the next cycle.
     mLastRawState.copyFrom(mCurrentRawState);
     mLastCookedState.copyFrom(mCurrentCookedState);
+    return out;
 }
 
 void TouchInputMapper::updateTouchSpots() {
@@ -1751,24 +1786,18 @@
             state.rawPointerData.pointerCount != 0;
     if (initialDown) {
         if (mExternalStylusState.pressure != 0.0f) {
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Have both stylus and touch data, beginning fusion");
-            }
+            ALOGD_IF(DEBUG_STYLUS_FUSION, "Have both stylus and touch data, beginning fusion");
             mExternalStylusId = state.rawPointerData.touchingIdBits.firstMarkedBit();
         } else if (timeout) {
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("Timeout expired, assuming touch is not a stylus.");
-            }
+            ALOGD_IF(DEBUG_STYLUS_FUSION, "Timeout expired, assuming touch is not a stylus.");
             resetExternalStylus();
         } else {
             if (mExternalStylusFusionTimeout == LLONG_MAX) {
                 mExternalStylusFusionTimeout = state.when + EXTERNAL_STYLUS_DATA_TIMEOUT;
             }
-            if (DEBUG_STYLUS_FUSION) {
-                ALOGD("No stylus data but stylus is connected, requesting timeout "
-                      "(%" PRId64 "ms)",
-                      mExternalStylusFusionTimeout);
-            }
+            ALOGD_IF(DEBUG_STYLUS_FUSION,
+                     "No stylus data but stylus is connected, requesting timeout (%" PRId64 "ms)",
+                     mExternalStylusFusionTimeout);
             getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
             return true;
         }
@@ -1776,57 +1805,63 @@
 
     // Check if the stylus pointer has gone up.
     if (mExternalStylusId != -1 && !state.rawPointerData.touchingIdBits.hasBit(mExternalStylusId)) {
-        if (DEBUG_STYLUS_FUSION) {
-            ALOGD("Stylus pointer is going up");
-        }
+        ALOGD_IF(DEBUG_STYLUS_FUSION, "Stylus pointer is going up");
         mExternalStylusId = -1;
     }
 
     return false;
 }
 
-void TouchInputMapper::timeoutExpired(nsecs_t when) {
+std::list<NotifyArgs> TouchInputMapper::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mDeviceMode == DeviceMode::POINTER) {
         if (mPointerUsage == PointerUsage::GESTURES) {
             // Since this is a synthetic event, we can consider its latency to be zero
             const nsecs_t readTime = when;
-            dispatchPointerGestures(when, readTime, 0 /*policyFlags*/, true /*isTimeout*/);
+            out += dispatchPointerGestures(when, readTime, 0 /*policyFlags*/, true /*isTimeout*/);
         }
     } else if (mDeviceMode == DeviceMode::DIRECT) {
         if (mExternalStylusFusionTimeout < when) {
-            processRawTouches(true /*timeout*/);
+            out += processRawTouches(true /*timeout*/);
         } else if (mExternalStylusFusionTimeout != LLONG_MAX) {
             getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout);
         }
     }
+    return out;
 }
 
-void TouchInputMapper::updateExternalStylusState(const StylusState& state) {
+std::list<NotifyArgs> TouchInputMapper::updateExternalStylusState(const StylusState& state) {
+    std::list<NotifyArgs> out;
     mExternalStylusState.copyFrom(state);
     if (mExternalStylusId != -1 || mExternalStylusFusionTimeout != LLONG_MAX) {
         // We're either in the middle of a fused stream of data or we're waiting on data before
         // dispatching the initial down, so go ahead and dispatch now that we have fresh stylus
         // data.
         mExternalStylusDataPending = true;
-        processRawTouches(false /*timeout*/);
+        out += processRawTouches(false /*timeout*/);
     }
+    return out;
 }
 
-bool TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::consumeRawTouches(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags, bool& outConsumed) {
+    outConsumed = false;
+    std::list<NotifyArgs> out;
     // Check for release of a virtual key.
     if (mCurrentVirtualKey.down) {
         if (mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) {
             // Pointer went up while virtual key was down.
             mCurrentVirtualKey.down = false;
             if (!mCurrentVirtualKey.ignored) {
-                if (DEBUG_VIRTUAL_KEYS) {
-                    ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
-                          mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-                }
-                dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
-                                   AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+                ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                         "VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
+                         mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                out.push_back(dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
+                                                 AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                         AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY));
             }
-            return true;
+            outConsumed = true;
+            return out;
         }
 
         if (mCurrentRawState.rawPointerData.touchingIdBits.count() == 1) {
@@ -1836,7 +1871,8 @@
             const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
             if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) {
                 // Pointer is still within the space of the virtual key.
-                return true;
+                outConsumed = true;
+                return out;
             }
         }
 
@@ -1846,13 +1882,12 @@
         // into the main display surface.
         mCurrentVirtualKey.down = false;
         if (!mCurrentVirtualKey.ignored) {
-            if (DEBUG_VIRTUAL_KEYS) {
-                ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
-                      mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-            }
-            dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
-                               AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY |
-                                       AKEY_EVENT_FLAG_CANCELED);
+            ALOGD_IF(DEBUG_VIRTUAL_KEYS, "VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
+                     mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+            out.push_back(dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_UP,
+                                             AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                     AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY |
+                                                     AKEY_EVENT_FLAG_CANCELED));
         }
     }
 
@@ -1879,17 +1914,18 @@
                                                                virtualKey->scanCode);
 
                     if (!mCurrentVirtualKey.ignored) {
-                        if (DEBUG_VIRTUAL_KEYS) {
-                            ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
-                                  mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
-                        }
-                        dispatchVirtualKey(when, readTime, policyFlags, AKEY_EVENT_ACTION_DOWN,
-                                           AKEY_EVENT_FLAG_FROM_SYSTEM |
-                                                   AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
+                        ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                                 "VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
+                                 mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                        out.push_back(dispatchVirtualKey(when, readTime, policyFlags,
+                                                         AKEY_EVENT_ACTION_DOWN,
+                                                         AKEY_EVENT_FLAG_FROM_SYSTEM |
+                                                                 AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY));
                     }
                 }
             }
-            return true;
+            outConsumed = true;
+            return out;
         }
     }
 
@@ -1911,43 +1947,50 @@
         !mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) {
         getContext()->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime);
     }
-    return false;
+    return out;
 }
 
-void TouchInputMapper::dispatchVirtualKey(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                          int32_t keyEventAction, int32_t keyEventFlags) {
+NotifyKeyArgs TouchInputMapper::dispatchVirtualKey(nsecs_t when, nsecs_t readTime,
+                                                   uint32_t policyFlags, int32_t keyEventAction,
+                                                   int32_t keyEventFlags) {
     int32_t keyCode = mCurrentVirtualKey.keyCode;
     int32_t scanCode = mCurrentVirtualKey.scanCode;
     nsecs_t downTime = mCurrentVirtualKey.downTime;
     int32_t metaState = getContext()->getGlobalMetaState();
     policyFlags |= POLICY_FLAG_VIRTUAL;
 
-    NotifyKeyArgs args(getContext()->getNextId(), when, readTime, getDeviceId(),
-                       AINPUT_SOURCE_KEYBOARD, mViewport.displayId, policyFlags, keyEventAction,
-                       keyEventFlags, keyCode, scanCode, metaState, downTime);
-    getListener().notifyKey(&args);
+    return NotifyKeyArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                         AINPUT_SOURCE_KEYBOARD, mViewport.displayId, policyFlags, keyEventAction,
+                         keyEventFlags, keyCode, scanCode, metaState, downTime);
 }
 
-void TouchInputMapper::abortTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortTouches(nsecs_t when, nsecs_t readTime,
+                                                     uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mCurrentMotionAborted) {
         // Current motion event was already aborted.
-        return;
+        return out;
     }
     BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits;
     if (!currentIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         int32_t buttonState = mCurrentCookedState.buttonState;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_CANCEL, 0, 0, metaState, buttonState,
+                                     AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits,
+                                     -1, mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
         mCurrentMotionAborted = true;
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchTouches(nsecs_t when, nsecs_t readTime,
+                                                        uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits;
     BitSet32 lastIdBits = mLastCookedState.cookedPointerData.touchingIdBits;
     int32_t metaState = getContext()->getGlobalMetaState();
@@ -1957,12 +2000,14 @@
         if (!currentIdBits.isEmpty()) {
             // No pointer id changes so this is a move event.
             // The listener takes care of batching moves so we don't have to deal with that here.
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0,
-                           metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(
+                    dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE,
+                                   0, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                   mCurrentCookedState.cookedPointerData.pointerProperties,
+                                   mCurrentCookedState.cookedPointerData.pointerCoords,
+                                   mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits,
+                                   -1, mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                   MotionClassification::NONE));
         }
     } else {
         // There may be pointers going up and pointers going down and pointers moving
@@ -1992,12 +2037,16 @@
             if (isCanceled) {
                 ALOGI("Canceling pointer %d for the palm event was detected.", upId);
             }
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0,
-                           isCanceled ? AMOTION_EVENT_FLAG_CANCELED : 0, metaState, buttonState, 0,
-                           mLastCookedState.cookedPointerData.pointerProperties,
-                           mLastCookedState.cookedPointerData.pointerCoords,
-                           mLastCookedState.cookedPointerData.idToIndex, dispatchedIdBits, upId,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_POINTER_UP, 0,
+                                         isCanceled ? AMOTION_EVENT_FLAG_CANCELED : 0, metaState,
+                                         buttonState, 0,
+                                         mLastCookedState.cookedPointerData.pointerProperties,
+                                         mLastCookedState.cookedPointerData.pointerCoords,
+                                         mLastCookedState.cookedPointerData.idToIndex,
+                                         dispatchedIdBits, upId, mOrientedXPrecision,
+                                         mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
             dispatchedIdBits.clearBit(upId);
             mCurrentCookedState.cookedPointerData.canceledIdBits.clearBit(upId);
         }
@@ -2007,12 +2056,14 @@
         // events, they do not generally handle them except when presented in a move event.
         if (moveNeeded && !moveIdBits.isEmpty()) {
             ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value);
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0,
-                           metaState, buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, buttonState, 0,
+                                         mCurrentCookedState.cookedPointerData.pointerProperties,
+                                         mCurrentCookedState.cookedPointerData.pointerCoords,
+                                         mCurrentCookedState.cookedPointerData.idToIndex,
+                                         dispatchedIdBits, -1, mOrientedXPrecision,
+                                         mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
         }
 
         // Dispatch pointer down events using the new pointer locations.
@@ -2025,59 +2076,75 @@
                 mDownTime = when;
             }
 
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN,
-                           0, 0, metaState, buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits,
-                           downId, mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(
+                    dispatchMotion(when, readTime, policyFlags, mSource,
+                                   AMOTION_EVENT_ACTION_POINTER_DOWN, 0, 0, metaState, buttonState,
+                                   0, mCurrentCookedState.cookedPointerData.pointerProperties,
+                                   mCurrentCookedState.cookedPointerData.pointerCoords,
+                                   mCurrentCookedState.cookedPointerData.idToIndex,
+                                   dispatchedIdBits, downId, mOrientedXPrecision,
+                                   mOrientedYPrecision, mDownTime, MotionClassification::NONE));
         }
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchHoverExit(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchHoverExit(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mSentHoverEnter &&
         (mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty() ||
          !mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty())) {
         int32_t metaState = getContext()->getGlobalMetaState();
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0,
-                       metaState, mLastCookedState.buttonState, 0,
-                       mLastCookedState.cookedPointerData.pointerProperties,
-                       mLastCookedState.cookedPointerData.pointerCoords,
-                       mLastCookedState.cookedPointerData.idToIndex,
-                       mLastCookedState.cookedPointerData.hoveringIdBits, -1, mOrientedXPrecision,
-                       mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState,
+                                     mLastCookedState.buttonState, 0,
+                                     mLastCookedState.cookedPointerData.pointerProperties,
+                                     mLastCookedState.cookedPointerData.pointerCoords,
+                                     mLastCookedState.cookedPointerData.idToIndex,
+                                     mLastCookedState.cookedPointerData.hoveringIdBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
         mSentHoverEnter = false;
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
-                                                 uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
+                                                                  uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     if (mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty() &&
         !mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         if (!mSentHoverEnter) {
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_ENTER,
-                           0, 0, metaState, mCurrentRawState.buttonState, 0,
-                           mCurrentCookedState.cookedPointerData.pointerProperties,
-                           mCurrentCookedState.cookedPointerData.pointerCoords,
-                           mCurrentCookedState.cookedPointerData.idToIndex,
-                           mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
-                           mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
+                                         mCurrentRawState.buttonState, 0,
+                                         mCurrentCookedState.cookedPointerData.pointerProperties,
+                                         mCurrentCookedState.cookedPointerData.pointerCoords,
+                                         mCurrentCookedState.cookedPointerData.idToIndex,
+                                         mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
+                                         mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                         MotionClassification::NONE));
             mSentHoverEnter = true;
         }
 
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
-                       metaState, mCurrentRawState.buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex,
-                       mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
+                                     mCurrentRawState.buttonState, 0,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex,
+                                     mCurrentCookedState.cookedPointerData.hoveringIdBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchButtonRelease(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchButtonRelease(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 releasedButtons(mLastCookedState.buttonState & ~mCurrentCookedState.buttonState);
     const BitSet32& idBits = findActiveIdBits(mLastCookedState.cookedPointerData);
     const int32_t metaState = getContext()->getGlobalMetaState();
@@ -2085,16 +2152,21 @@
     while (!releasedButtons.isEmpty()) {
         int32_t actionButton = BitSet32::valueForBit(releasedButtons.clearFirstMarkedBit());
         buttonState &= ~actionButton;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_RELEASE,
-                       actionButton, 0, metaState, buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_BUTTON_RELEASE, actionButton, 0,
+                                     metaState, buttonState, 0,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
-void TouchInputMapper::dispatchButtonPress(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchButtonPress(nsecs_t when, nsecs_t readTime,
+                                                            uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     BitSet32 pressedButtons(mCurrentCookedState.buttonState & ~mLastCookedState.buttonState);
     const BitSet32& idBits = findActiveIdBits(mCurrentCookedState.cookedPointerData);
     const int32_t metaState = getContext()->getGlobalMetaState();
@@ -2102,13 +2174,16 @@
     while (!pressedButtons.isEmpty()) {
         int32_t actionButton = BitSet32::valueForBit(pressedButtons.clearFirstMarkedBit());
         buttonState |= actionButton;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_PRESS,
-                       actionButton, 0, metaState, buttonState, 0,
-                       mCurrentCookedState.cookedPointerData.pointerProperties,
-                       mCurrentCookedState.cookedPointerData.pointerCoords,
-                       mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
-                       mOrientedXPrecision, mOrientedYPrecision, mDownTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, 0, metaState,
+                                     buttonState, 0,
+                                     mCurrentCookedState.cookedPointerData.pointerProperties,
+                                     mCurrentCookedState.cookedPointerData.pointerCoords,
+                                     mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1,
+                                     mOrientedXPrecision, mOrientedYPrecision, mDownTime,
+                                     MotionClassification::NONE));
     }
+    return out;
 }
 
 const BitSet32& TouchInputMapper::findActiveIdBits(const CookedPointerData& cookedPointerData) {
@@ -2178,7 +2253,7 @@
                     size = 0;
                 }
 
-                if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) {
+                if (mCalibration.sizeIsSummed && *mCalibration.sizeIsSummed) {
                     uint32_t touchingCount = mCurrentRawState.rawPointerData.touchingIdBits.count();
                     if (touchingCount > 1) {
                         touchMajor /= touchingCount;
@@ -2204,13 +2279,16 @@
                     toolMinor = toolMajor;
                 }
 
-                mCalibration.applySizeScaleAndBias(&touchMajor);
-                mCalibration.applySizeScaleAndBias(&touchMinor);
-                mCalibration.applySizeScaleAndBias(&toolMajor);
-                mCalibration.applySizeScaleAndBias(&toolMinor);
+                mCalibration.applySizeScaleAndBias(touchMajor);
+                mCalibration.applySizeScaleAndBias(touchMinor);
+                mCalibration.applySizeScaleAndBias(toolMajor);
+                mCalibration.applySizeScaleAndBias(toolMinor);
                 size *= mSizeScale;
                 break;
-            default:
+            case Calibration::SizeCalibration::DEFAULT:
+                LOG_ALWAYS_FATAL("Resolution should not be 'DEFAULT' at this point");
+                break;
+            case Calibration::SizeCalibration::NONE:
                 touchMajor = 0;
                 touchMinor = 0;
                 toolMajor = 0;
@@ -2307,10 +2385,9 @@
                 bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale;
                 top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale;
                 orientation -= M_PI_2;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation < mOrientedRanges.orientation.min) {
+                if (mOrientedRanges.orientation && orientation < mOrientedRanges.orientation->min) {
                     orientation +=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
             case DISPLAY_ORIENTATION_180:
@@ -2319,10 +2396,9 @@
                 bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale;
                 top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale;
                 orientation -= M_PI;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation < mOrientedRanges.orientation.min) {
+                if (mOrientedRanges.orientation && orientation < mOrientedRanges.orientation->min) {
                     orientation +=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
             case DISPLAY_ORIENTATION_270:
@@ -2331,10 +2407,9 @@
                 bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale;
                 top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale;
                 orientation += M_PI_2;
-                if (mOrientedRanges.haveOrientation &&
-                    orientation > mOrientedRanges.orientation.max) {
+                if (mOrientedRanges.orientation && orientation > mOrientedRanges.orientation->max) {
                     orientation -=
-                            (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min);
+                            (mOrientedRanges.orientation->max - mOrientedRanges.orientation->min);
                 }
                 break;
             default:
@@ -2390,54 +2465,62 @@
     }
 }
 
-void TouchInputMapper::dispatchPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                            PointerUsage pointerUsage) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags,
+                                                             PointerUsage pointerUsage) {
+    std::list<NotifyArgs> out;
     if (pointerUsage != mPointerUsage) {
-        abortPointerUsage(when, readTime, policyFlags);
+        out += abortPointerUsage(when, readTime, policyFlags);
         mPointerUsage = pointerUsage;
     }
 
     switch (mPointerUsage) {
         case PointerUsage::GESTURES:
-            dispatchPointerGestures(when, readTime, policyFlags, false /*isTimeout*/);
+            out += dispatchPointerGestures(when, readTime, policyFlags, false /*isTimeout*/);
             break;
         case PointerUsage::STYLUS:
-            dispatchPointerStylus(when, readTime, policyFlags);
+            out += dispatchPointerStylus(when, readTime, policyFlags);
             break;
         case PointerUsage::MOUSE:
-            dispatchPointerMouse(when, readTime, policyFlags);
+            out += dispatchPointerMouse(when, readTime, policyFlags);
             break;
         case PointerUsage::NONE:
             break;
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out;
     switch (mPointerUsage) {
         case PointerUsage::GESTURES:
-            abortPointerGestures(when, readTime, policyFlags);
+            out += abortPointerGestures(when, readTime, policyFlags);
             break;
         case PointerUsage::STYLUS:
-            abortPointerStylus(when, readTime, policyFlags);
+            out += abortPointerStylus(when, readTime, policyFlags);
             break;
         case PointerUsage::MOUSE:
-            abortPointerMouse(when, readTime, policyFlags);
+            out += abortPointerMouse(when, readTime, policyFlags);
             break;
         case PointerUsage::NONE:
             break;
     }
 
     mPointerUsage = PointerUsage::NONE;
+    return out;
 }
 
-void TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                               bool isTimeout) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                                uint32_t policyFlags,
+                                                                bool isTimeout) {
+    std::list<NotifyArgs> out;
     // Update current gesture coordinates.
     bool cancelPreviousGesture, finishPreviousGesture;
     bool sendEvents =
             preparePointerGestures(when, &cancelPreviousGesture, &finishPreviousGesture, isTimeout);
     if (!sendEvents) {
-        return;
+        return {};
     }
     if (finishPreviousGesture) {
         cancelPreviousGesture = false;
@@ -2494,6 +2577,10 @@
     // Send events!
     int32_t metaState = getContext()->getGlobalMetaState();
     int32_t buttonState = mCurrentCookedState.buttonState;
+    const MotionClassification classification =
+            mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE
+            ? MotionClassification::TWO_FINGER_SWIPE
+            : MotionClassification::NONE;
 
     uint32_t flags = 0;
 
@@ -2530,11 +2617,14 @@
     BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits);
     if (!dispatchedGestureIdBits.isEmpty()) {
         if (cancelPreviousGesture) {
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0,
-                           flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                           mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords,
-                           mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0,
-                           mPointerGesture.downTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_CANCEL, 0, flags, metaState,
+                                         buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                         mPointerGesture.lastGestureProperties,
+                                         mPointerGesture.lastGestureCoords,
+                                         mPointerGesture.lastGestureIdToIndex,
+                                         dispatchedGestureIdBits, -1, 0, 0,
+                                         mPointerGesture.downTime, classification));
 
             dispatchedGestureIdBits.clear();
         } else {
@@ -2548,12 +2638,14 @@
             while (!upGestureIdBits.isEmpty()) {
                 uint32_t id = upGestureIdBits.clearFirstMarkedBit();
 
-                dispatchMotion(when, readTime, policyFlags, mSource,
-                               AMOTION_EVENT_ACTION_POINTER_UP, 0, flags, metaState, buttonState,
-                               AMOTION_EVENT_EDGE_FLAG_NONE, mPointerGesture.lastGestureProperties,
-                               mPointerGesture.lastGestureCoords,
-                               mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, id, 0,
-                               0, mPointerGesture.downTime);
+                out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                             AMOTION_EVENT_ACTION_POINTER_UP, 0, flags, metaState,
+                                             buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                             mPointerGesture.lastGestureProperties,
+                                             mPointerGesture.lastGestureCoords,
+                                             mPointerGesture.lastGestureIdToIndex,
+                                             dispatchedGestureIdBits, id, 0, 0,
+                                             mPointerGesture.downTime, classification));
 
                 dispatchedGestureIdBits.clearBit(id);
             }
@@ -2562,12 +2654,13 @@
 
     // Send motion events for all pointers that moved.
     if (moveNeeded) {
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, flags,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.currentGestureProperties,
-                       mPointerGesture.currentGestureCoords,
-                       mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0,
-                       mPointerGesture.downTime);
+        out.push_back(
+                dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0,
+                               flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                               mPointerGesture.currentGestureProperties,
+                               mPointerGesture.currentGestureCoords,
+                               mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, -1,
+                               0, 0, mPointerGesture.downTime, classification));
     }
 
     // Send motion events for all pointers that went down.
@@ -2582,23 +2675,26 @@
                 mPointerGesture.downTime = when;
             }
 
-            dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN,
-                           0, flags, metaState, buttonState, 0,
-                           mPointerGesture.currentGestureProperties,
-                           mPointerGesture.currentGestureCoords,
-                           mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, id, 0,
-                           0, mPointerGesture.downTime);
+            out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                         AMOTION_EVENT_ACTION_POINTER_DOWN, 0, flags, metaState,
+                                         buttonState, 0, mPointerGesture.currentGestureProperties,
+                                         mPointerGesture.currentGestureCoords,
+                                         mPointerGesture.currentGestureIdToIndex,
+                                         dispatchedGestureIdBits, id, 0, 0,
+                                         mPointerGesture.downTime, classification));
         }
     }
 
     // Send motion events for hover.
     if (mPointerGesture.currentGestureMode == PointerGesture::Mode::HOVER) {
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
-                       flags, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.currentGestureProperties,
-                       mPointerGesture.currentGestureCoords,
-                       mPointerGesture.currentGestureIdToIndex,
-                       mPointerGesture.currentGestureIdBits, -1, 0, 0, mPointerGesture.downTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags, metaState,
+                                     buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mPointerGesture.currentGestureProperties,
+                                     mPointerGesture.currentGestureCoords,
+                                     mPointerGesture.currentGestureIdToIndex,
+                                     mPointerGesture.currentGestureIdBits, -1, 0, 0,
+                                     mPointerGesture.downTime, MotionClassification::NONE));
     } else if (dispatchedGestureIdBits.isEmpty() && !mPointerGesture.lastGestureIdBits.isEmpty()) {
         // Synthesize a hover move event after all pointers go up to indicate that
         // the pointer is hovering again even if the user is not currently touching
@@ -2618,12 +2714,13 @@
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
 
         const int32_t displayId = mPointerController->getDisplayId();
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags,
-                              metaState, buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties, &pointerCoords,
-                              0, 0, x, y, mPointerGesture.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags,
+                                       AMOTION_EVENT_ACTION_HOVER_MOVE, 0, flags, metaState,
+                                       buttonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
+                                       &pointerCoords, 0, 0, x, y, mPointerGesture.downTime,
+                                       /* videoFrames */ {}));
     }
 
     // Update state.
@@ -2642,18 +2739,28 @@
             mPointerGesture.lastGestureIdToIndex[id] = index;
         }
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags) {
+    const MotionClassification classification =
+            mPointerGesture.lastGestureMode == PointerGesture::Mode::SWIPE
+            ? MotionClassification::TWO_FINGER_SWIPE
+            : MotionClassification::NONE;
+    std::list<NotifyArgs> out;
     // Cancel previously dispatches pointers.
     if (!mPointerGesture.lastGestureIdBits.isEmpty()) {
         int32_t metaState = getContext()->getGlobalMetaState();
         int32_t buttonState = mCurrentRawState.buttonState;
-        dispatchMotion(when, readTime, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0,
-                       metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
-                       mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords,
-                       mPointerGesture.lastGestureIdToIndex, mPointerGesture.lastGestureIdBits, -1,
-                       0, 0, mPointerGesture.downTime);
+        out.push_back(dispatchMotion(when, readTime, policyFlags, mSource,
+                                     AMOTION_EVENT_ACTION_CANCEL, 0, 0, metaState, buttonState,
+                                     AMOTION_EVENT_EDGE_FLAG_NONE,
+                                     mPointerGesture.lastGestureProperties,
+                                     mPointerGesture.lastGestureCoords,
+                                     mPointerGesture.lastGestureIdToIndex,
+                                     mPointerGesture.lastGestureIdBits, -1, 0, 0,
+                                     mPointerGesture.downTime, classification));
     }
 
     // Reset the current pointer gesture.
@@ -2665,6 +2772,7 @@
         mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         mPointerController->clearSpots();
     }
+    return out;
 }
 
 bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture,
@@ -2674,9 +2782,7 @@
 
     // Handle TAP timeout.
     if (isTimeout) {
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: Processing timeout");
-        }
+        ALOGD_IF(DEBUG_GESTURES, "Gestures: Processing timeout");
 
         if (mPointerGesture.lastGestureMode == PointerGesture::Mode::TAP) {
             if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
@@ -2685,9 +2791,7 @@
                                                    mConfig.pointerGestureTapDragInterval);
             } else {
                 // The tap is finished.
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: TAP finished");
-                }
+                ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP finished");
                 *outFinishPreviousGesture = true;
 
                 mPointerGesture.activeGestureId = -1;
@@ -2708,17 +2812,18 @@
 
     // Update the velocity tracker.
     {
-        std::vector<VelocityTracker::Position> positions;
+        std::vector<float> positionsX;
+        std::vector<float> positionsY;
         for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) {
             uint32_t id = idBits.clearFirstMarkedBit();
             const RawPointerData::Pointer& pointer =
                     mCurrentRawState.rawPointerData.pointerForId(id);
-            float x = pointer.x * mPointerXMovementScale;
-            float y = pointer.y * mPointerYMovementScale;
-            positions.push_back({x, y});
+            positionsX.push_back(pointer.x * mPointerXMovementScale);
+            positionsY.push_back(pointer.y * mPointerYMovementScale);
         }
         mPointerGesture.velocityTracker.addMovement(when, mCurrentCookedState.fingerIdBits,
-                                                    positions);
+                                                    {{AMOTION_EVENT_AXIS_X, positionsX},
+                                                     {AMOTION_EVENT_AXIS_Y, positionsY}});
     }
 
     // If the gesture ever enters a mode other than TAP, HOVER or TAP_DRAG, without first returning
@@ -2783,11 +2888,9 @@
     // Switch states based on button and pointer state.
     if (isQuietTime) {
         // Case 1: Quiet time. (QUIET)
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: QUIET for next %0.3fms",
-                  (mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval - when) *
-                          0.000001f);
-        }
+        ALOGD_IF(DEBUG_GESTURES, "Gestures: QUIET for next %0.3fms",
+                 (mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval - when) *
+                         0.000001f);
         if (mPointerGesture.lastGestureMode != PointerGesture::Mode::QUIET) {
             *outFinishPreviousGesture = true;
         }
@@ -2811,11 +2914,9 @@
         // active.  If the user first puts one finger down to click then adds another
         // finger to drag then the active pointer should switch to the finger that is
         // being dragged.
-        if (DEBUG_GESTURES) {
-            ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, "
-                  "currentFingerCount=%d",
-                  activeTouchId, currentFingerCount);
-        }
+        ALOGD_IF(DEBUG_GESTURES,
+                 "Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, currentFingerCount=%d",
+                 activeTouchId, currentFingerCount);
         // Reset state when just starting.
         if (mPointerGesture.lastGestureMode != PointerGesture::Mode::BUTTON_CLICK_OR_DRAG) {
             *outFinishPreviousGesture = true;
@@ -2829,9 +2930,12 @@
             float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
             for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) {
                 uint32_t id = idBits.clearFirstMarkedBit();
-                float vx, vy;
-                if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) {
-                    float speed = hypotf(vx, vy);
+                std::optional<float> vx =
+                        mPointerGesture.velocityTracker.getVelocity(AMOTION_EVENT_AXIS_X, id);
+                std::optional<float> vy =
+                        mPointerGesture.velocityTracker.getVelocity(AMOTION_EVENT_AXIS_Y, id);
+                if (vx && vy) {
+                    float speed = hypotf(*vx, *vy);
                     if (speed > bestSpeed) {
                         bestId = id;
                         bestSpeed = speed;
@@ -2840,30 +2944,17 @@
             }
             if (bestId >= 0 && bestId != activeTouchId) {
                 mPointerGesture.activeTouchId = activeTouchId = bestId;
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, "
-                          "bestId=%d, bestSpeed=%0.3f",
-                          bestId, bestSpeed);
-                }
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: BUTTON_CLICK_OR_DRAG switched pointers, bestId=%d, "
+                         "bestSpeed=%0.3f",
+                         bestId, bestSpeed);
             }
         }
 
-        float deltaX = 0, deltaY = 0;
         if (activeTouchId >= 0 && mLastCookedState.fingerIdBits.hasBit(activeTouchId)) {
-            const RawPointerData::Pointer& currentPointer =
-                    mCurrentRawState.rawPointerData.pointerForId(activeTouchId);
-            const RawPointerData::Pointer& lastPointer =
-                    mLastRawState.rawPointerData.pointerForId(activeTouchId);
-            deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
-            deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            // Move the pointer using a relative motion.
             // When using spots, the click will occur at the position of the anchor
             // spot and all other spots will move there.
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, activeTouchId);
         } else {
             mPointerVelocityControl.reset();
         }
@@ -2899,9 +2990,7 @@
                 mPointerController->getPosition(&x, &y);
                 if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop &&
                     fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: TAP");
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP");
 
                     mPointerGesture.tapUpTime = when;
                     getContext()->requestTimeoutAtTime(when +
@@ -2927,10 +3016,8 @@
 
                     tapped = true;
                 } else {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f", x - mPointerGesture.tapX,
-                              y - mPointerGesture.tapY);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP, deltaX=%f, deltaY=%f",
+                             x - mPointerGesture.tapX, y - mPointerGesture.tapY);
                 }
             } else {
                 if (DEBUG_GESTURES) {
@@ -2947,9 +3034,7 @@
         mPointerVelocityControl.reset();
 
         if (!tapped) {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: NEUTRAL");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: NEUTRAL");
             mPointerGesture.activeGestureId = -1;
             mPointerGesture.currentGestureMode = PointerGesture::Mode::NEUTRAL;
             mPointerGesture.currentGestureIdBits.clear();
@@ -2970,50 +3055,30 @@
                     fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
                     mPointerGesture.currentGestureMode = PointerGesture::Mode::TAP_DRAG;
                 } else {
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
-                              x - mPointerGesture.tapX, y - mPointerGesture.tapY);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
+                             x - mPointerGesture.tapX, y - mPointerGesture.tapY);
                 }
             } else {
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up",
-                          (when - mPointerGesture.tapUpTime) * 0.000001f);
-                }
+                ALOGD_IF(DEBUG_GESTURES, "Gestures: Not a TAP_DRAG, %0.3fms time since up",
+                         (when - mPointerGesture.tapUpTime) * 0.000001f);
             }
         } else if (mPointerGesture.lastGestureMode == PointerGesture::Mode::TAP_DRAG) {
             mPointerGesture.currentGestureMode = PointerGesture::Mode::TAP_DRAG;
         }
 
-        float deltaX = 0, deltaY = 0;
         if (mLastCookedState.fingerIdBits.hasBit(activeTouchId)) {
-            const RawPointerData::Pointer& currentPointer =
-                    mCurrentRawState.rawPointerData.pointerForId(activeTouchId);
-            const RawPointerData::Pointer& lastPointer =
-                    mLastRawState.rawPointerData.pointerForId(activeTouchId);
-            deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
-            deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            // Move the pointer using a relative motion.
             // When using spots, the hover or drag will occur at the position of the anchor spot.
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, activeTouchId);
         } else {
             mPointerVelocityControl.reset();
         }
 
         bool down;
         if (mPointerGesture.currentGestureMode == PointerGesture::Mode::TAP_DRAG) {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: TAP_DRAG");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: TAP_DRAG");
             down = true;
         } else {
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: HOVER");
-            }
+            ALOGD_IF(DEBUG_GESTURES, "Gestures: HOVER");
             if (mPointerGesture.lastGestureMode != PointerGesture::Mode::HOVER) {
                 *outFinishPreviousGesture = true;
             }
@@ -3067,13 +3132,12 @@
         } else if (!settled && currentFingerCount > lastFingerCount) {
             // Additional pointers have gone down but not yet settled.
             // Reset the gesture.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: Resetting gesture since additional pointers went down for "
-                      "MULTITOUCH, settle time remaining %0.3fms",
-                      (mPointerGesture.firstTouchTime +
-                       mConfig.pointerGestureMultitouchSettleInterval - when) *
-                              0.000001f);
-            }
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: Resetting gesture since additional pointers went down for "
+                     "MULTITOUCH, settle time remaining %0.3fms",
+                     (mPointerGesture.firstTouchTime +
+                      mConfig.pointerGestureMultitouchSettleInterval - when) *
+                             0.000001f);
             *outCancelPreviousGesture = true;
         } else {
             // Continue previous gesture.
@@ -3087,13 +3151,12 @@
             mPointerVelocityControl.reset();
 
             // Use the centroid and pointer location as the reference points for the gesture.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: Using centroid as reference for MULTITOUCH, "
-                      "settle time remaining %0.3fms",
-                      (mPointerGesture.firstTouchTime +
-                       mConfig.pointerGestureMultitouchSettleInterval - when) *
-                              0.000001f);
-            }
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: Using centroid as reference for MULTITOUCH, settle time remaining "
+                     "%0.3fms",
+                     (mPointerGesture.firstTouchTime +
+                      mConfig.pointerGestureMultitouchSettleInterval - when) *
+                             0.000001f);
             mCurrentRawState.rawPointerData
                     .getCentroidOfTouchingPointers(&mPointerGesture.referenceTouchX,
                                                    &mPointerGesture.referenceTouchY);
@@ -3151,10 +3214,9 @@
             if (distOverThreshold >= 2) {
                 if (currentFingerCount > 2) {
                     // There are more than two pointers, switch to FREEFORM.
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
-                              currentFingerCount);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES,
+                             "Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
+                             currentFingerCount);
                     *outCancelPreviousGesture = true;
                     mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
                 } else {
@@ -3170,11 +3232,9 @@
                     if (mutualDistance > mPointerGestureMaxSwipeWidth) {
                         // There are two pointers but they are too far apart for a SWIPE,
                         // switch to FREEFORM.
-                        if (DEBUG_GESTURES) {
-                            ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > "
-                                  "%0.3f",
-                                  mutualDistance, mPointerGestureMaxSwipeWidth);
-                        }
+                        ALOGD_IF(DEBUG_GESTURES,
+                                 "Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f",
+                                 mutualDistance, mPointerGestureMaxSwipeWidth);
                         *outCancelPreviousGesture = true;
                         mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
                     } else {
@@ -3199,25 +3259,23 @@
                             float cosine = dot / (dist1 * dist2); // denominator always > 0
                             if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
                                 // Pointers are moving in the same direction.  Switch to SWIPE.
-                                if (DEBUG_GESTURES) {
-                                    ALOGD("Gestures: PRESS transitioned to SWIPE, "
-                                          "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
-                                          "cosine %0.3f >= %0.3f",
-                                          dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
-                                          mConfig.pointerGestureMultitouchMinDistance, cosine,
-                                          mConfig.pointerGestureSwipeTransitionAngleCosine);
-                                }
+                                ALOGD_IF(DEBUG_GESTURES,
+                                         "Gestures: PRESS transitioned to SWIPE, "
+                                         "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+                                         "cosine %0.3f >= %0.3f",
+                                         dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
+                                         mConfig.pointerGestureMultitouchMinDistance, cosine,
+                                         mConfig.pointerGestureSwipeTransitionAngleCosine);
                                 mPointerGesture.currentGestureMode = PointerGesture::Mode::SWIPE;
                             } else {
                                 // Pointers are moving in different directions.  Switch to FREEFORM.
-                                if (DEBUG_GESTURES) {
-                                    ALOGD("Gestures: PRESS transitioned to FREEFORM, "
-                                          "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
-                                          "cosine %0.3f < %0.3f",
-                                          dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
-                                          mConfig.pointerGestureMultitouchMinDistance, cosine,
-                                          mConfig.pointerGestureSwipeTransitionAngleCosine);
-                                }
+                                ALOGD_IF(DEBUG_GESTURES,
+                                         "Gestures: PRESS transitioned to FREEFORM, "
+                                         "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
+                                         "cosine %0.3f < %0.3f",
+                                         dist1, mConfig.pointerGestureMultitouchMinDistance, dist2,
+                                         mConfig.pointerGestureMultitouchMinDistance, cosine,
+                                         mConfig.pointerGestureSwipeTransitionAngleCosine);
                                 *outCancelPreviousGesture = true;
                                 mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
                             }
@@ -3229,10 +3287,9 @@
             // Switch from SWIPE to FREEFORM if additional pointers go down.
             // Cancel previous gesture.
             if (currentFingerCount > 2) {
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
-                          currentFingerCount);
-                }
+                ALOGD_IF(DEBUG_GESTURES,
+                         "Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
+                         currentFingerCount);
                 *outCancelPreviousGesture = true;
                 mPointerGesture.currentGestureMode = PointerGesture::Mode::FREEFORM;
             }
@@ -3266,11 +3323,10 @@
         if (mPointerGesture.currentGestureMode == PointerGesture::Mode::PRESS ||
             mPointerGesture.currentGestureMode == PointerGesture::Mode::SWIPE) {
             // PRESS or SWIPE mode.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d,"
-                      "activeGestureId=%d, currentTouchPointerCount=%d",
-                      activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
-            }
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: PRESS or SWIPE activeTouchId=%d, activeGestureId=%d, "
+                     "currentTouchPointerCount=%d",
+                     activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
             ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
 
             mPointerGesture.currentGestureIdBits.clear();
@@ -3287,11 +3343,10 @@
             mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
         } else if (mPointerGesture.currentGestureMode == PointerGesture::Mode::FREEFORM) {
             // FREEFORM mode.
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: FREEFORM activeTouchId=%d,"
-                      "activeGestureId=%d, currentTouchPointerCount=%d",
-                      activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
-            }
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: FREEFORM activeTouchId=%d, activeGestureId=%d, "
+                     "currentTouchPointerCount=%d",
+                     activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
             ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
 
             mPointerGesture.currentGestureIdBits.clear();
@@ -3330,13 +3385,11 @@
                 }
             }
 
-            if (DEBUG_GESTURES) {
-                ALOGD("Gestures: FREEFORM follow up "
-                      "mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
-                      "activeGestureId=%d",
-                      mappedTouchIdBits.value, usedGestureIdBits.value,
-                      mPointerGesture.activeGestureId);
-            }
+            ALOGD_IF(DEBUG_GESTURES,
+                     "Gestures: FREEFORM follow up mappedTouchIdBits=0x%08x, "
+                     "usedGestureIdBits=0x%08x, activeGestureId=%d",
+                     mappedTouchIdBits.value, usedGestureIdBits.value,
+                     mPointerGesture.activeGestureId);
 
             BitSet32 idBits(mCurrentCookedState.fingerIdBits);
             for (uint32_t i = 0; i < currentFingerCount; i++) {
@@ -3345,18 +3398,14 @@
                 if (!mappedTouchIdBits.hasBit(touchId)) {
                     gestureId = usedGestureIdBits.markFirstUnmarkedBit();
                     mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: FREEFORM "
-                              "new mapping for touch id %d -> gesture id %d",
-                              touchId, gestureId);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES,
+                             "Gestures: FREEFORM new mapping for touch id %d -> gesture id %d",
+                             touchId, gestureId);
                 } else {
                     gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
-                    if (DEBUG_GESTURES) {
-                        ALOGD("Gestures: FREEFORM "
-                              "existing mapping for touch id %d -> gesture id %d",
-                              touchId, gestureId);
-                    }
+                    ALOGD_IF(DEBUG_GESTURES,
+                             "Gestures: FREEFORM existing mapping for touch id %d -> gesture id %d",
+                             touchId, gestureId);
                 }
                 mPointerGesture.currentGestureIdBits.markBit(gestureId);
                 mPointerGesture.currentGestureIdToIndex[gestureId] = i;
@@ -3385,10 +3434,8 @@
             if (mPointerGesture.activeGestureId < 0) {
                 mPointerGesture.activeGestureId =
                         mPointerGesture.currentGestureIdBits.firstMarkedBit();
-                if (DEBUG_GESTURES) {
-                    ALOGD("Gestures: FREEFORM new activeGestureId=%d",
-                          mPointerGesture.activeGestureId);
-                }
+                ALOGD_IF(DEBUG_GESTURES, "Gestures: FREEFORM new activeGestureId=%d",
+                         mPointerGesture.activeGestureId);
             }
         }
     }
@@ -3428,7 +3475,22 @@
     return true;
 }
 
-void TouchInputMapper::dispatchPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+void TouchInputMapper::moveMousePointerFromPointerDelta(nsecs_t when, uint32_t pointerId) {
+    const RawPointerData::Pointer& currentPointer =
+            mCurrentRawState.rawPointerData.pointerForId(pointerId);
+    const RawPointerData::Pointer& lastPointer =
+            mLastRawState.rawPointerData.pointerForId(pointerId);
+    float deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
+    float deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
+
+    rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
+    mPointerVelocityControl.move(when, &deltaX, &deltaY);
+
+    mPointerController->move(deltaX, deltaY);
+}
+
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags) {
     mPointerSimple.currentCoords.clear();
     mPointerSimple.currentProperties.clear();
 
@@ -3457,35 +3519,24 @@
         hovering = false;
     }
 
-    dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
+    return dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
 }
 
-void TouchInputMapper::abortPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
-    abortPointerSimple(when, readTime, policyFlags);
+std::list<NotifyArgs> TouchInputMapper::abortPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags) {
+    return abortPointerSimple(when, readTime, policyFlags);
 }
 
-void TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags) {
     mPointerSimple.currentCoords.clear();
     mPointerSimple.currentProperties.clear();
 
     bool down, hovering;
     if (!mCurrentCookedState.mouseIdBits.isEmpty()) {
         uint32_t id = mCurrentCookedState.mouseIdBits.firstMarkedBit();
-        uint32_t currentIndex = mCurrentRawState.rawPointerData.idToIndex[id];
-        float deltaX = 0, deltaY = 0;
         if (mLastCookedState.mouseIdBits.hasBit(id)) {
-            uint32_t lastIndex = mCurrentRawState.rawPointerData.idToIndex[id];
-            deltaX = (mCurrentRawState.rawPointerData.pointers[currentIndex].x -
-                      mLastRawState.rawPointerData.pointers[lastIndex].x) *
-                    mPointerXMovementScale;
-            deltaY = (mCurrentRawState.rawPointerData.pointers[currentIndex].y -
-                      mLastRawState.rawPointerData.pointers[lastIndex].y) *
-                    mPointerYMovementScale;
-
-            rotateDelta(mInputDeviceOrientation, &deltaX, &deltaY);
-            mPointerVelocityControl.move(when, &deltaX, &deltaY);
-
-            mPointerController->move(deltaX, deltaY);
+            moveMousePointerFromPointerDelta(when, id);
         } else {
             mPointerVelocityControl.reset();
         }
@@ -3495,6 +3546,7 @@
 
         float x, y;
         mPointerController->getPosition(&x, &y);
+        uint32_t currentIndex = mCurrentRawState.rawPointerData.idToIndex[id];
         mPointerSimple.currentCoords.copyFrom(
                 mCurrentCookedState.cookedPointerData.pointerCoords[currentIndex]);
         mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
@@ -3511,17 +3563,22 @@
         hovering = false;
     }
 
-    dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
+    return dispatchPointerSimple(when, readTime, policyFlags, down, hovering);
 }
 
-void TouchInputMapper::abortPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
-    abortPointerSimple(when, readTime, policyFlags);
+std::list<NotifyArgs> TouchInputMapper::abortPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags) {
+    std::list<NotifyArgs> out = abortPointerSimple(when, readTime, policyFlags);
 
     mPointerVelocityControl.reset();
+
+    return out;
 }
 
-void TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                             bool down, bool hovering) {
+std::list<NotifyArgs> TouchInputMapper::dispatchPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags, bool down,
+                                                              bool hovering) {
+    std::list<NotifyArgs> out;
     int32_t metaState = getContext()->getGlobalMetaState();
 
     if (down || hovering) {
@@ -3541,28 +3598,29 @@
         mPointerSimple.down = false;
 
         // Send up.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_UP, 0, 0, metaState,
-                              mLastRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.lastProperties,
-                              &mPointerSimple.lastCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_UP, 0,
+                                       0, metaState, mLastRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     if (mPointerSimple.hovering && !hovering) {
         mPointerSimple.hovering = false;
 
         // Send hover exit.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0,
-                              metaState, mLastRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.lastProperties,
-                              &mPointerSimple.lastCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags,
+                                       AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState,
+                                       mLastRawState.buttonState, MotionClassification::NONE,
+                                       AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     if (down) {
@@ -3571,25 +3629,26 @@
             mPointerSimple.downTime = when;
 
             // Send down.
-            NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                                  displayId, policyFlags, AMOTION_EVENT_ACTION_DOWN, 0, 0,
-                                  metaState, mCurrentRawState.buttonState,
-                                  MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
-                                  &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
-                                  mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
-                                  yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&args);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, displayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_DOWN, 0, 0, metaState,
+                                           mCurrentRawState.buttonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                           &mPointerSimple.currentProperties,
+                                           &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                           mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                           mPointerSimple.downTime, /* videoFrames */ {}));
         }
 
         // Send move.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState,
-                              mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &mPointerSimple.currentCoords, mOrientedXPrecision,
-                              mOrientedYPrecision, xCursorPosition, yCursorPosition,
-                              mPointerSimple.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE,
+                                       0, 0, metaState, mCurrentRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.currentProperties,
+                                       &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                       mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                       mPointerSimple.downTime, /* videoFrames */ {}));
     }
 
     if (hovering) {
@@ -3597,25 +3656,26 @@
             mPointerSimple.hovering = true;
 
             // Send hover enter.
-            NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                                  displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0,
-                                  metaState, mCurrentRawState.buttonState,
-                                  MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
-                                  &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
-                                  mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
-                                  yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {});
-            getListener().notifyMotion(&args);
+            out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                           mSource, displayId, policyFlags,
+                                           AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
+                                           mCurrentRawState.buttonState, MotionClassification::NONE,
+                                           AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                           &mPointerSimple.currentProperties,
+                                           &mPointerSimple.currentCoords, mOrientedXPrecision,
+                                           mOrientedYPrecision, xCursorPosition, yCursorPosition,
+                                           mPointerSimple.downTime, /* videoFrames */ {}));
         }
 
         // Send hover move.
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
-                              metaState, mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &mPointerSimple.currentCoords, mOrientedXPrecision,
-                              mOrientedYPrecision, xCursorPosition, yCursorPosition,
-                              mPointerSimple.downTime, /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(
+                NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
+                                 displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
+                                 metaState, mCurrentRawState.buttonState,
+                                 MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                 &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
+                                 mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                 yCursorPosition, mPointerSimple.downTime, /* videoFrames */ {}));
     }
 
     if (mCurrentRawState.rawVScroll || mCurrentRawState.rawHScroll) {
@@ -3630,14 +3690,14 @@
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
 
-        NotifyMotionArgs args(getContext()->getNextId(), when, readTime, getDeviceId(), mSource,
-                              displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState,
-                              mCurrentRawState.buttonState, MotionClassification::NONE,
-                              AMOTION_EVENT_EDGE_FLAG_NONE, 1, &mPointerSimple.currentProperties,
-                              &pointerCoords, mOrientedXPrecision, mOrientedYPrecision,
-                              xCursorPosition, yCursorPosition, mPointerSimple.downTime,
-                              /* videoFrames */ {});
-        getListener().notifyMotion(&args);
+        out.push_back(NotifyMotionArgs(getContext()->getNextId(), when, readTime, getDeviceId(),
+                                       mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL,
+                                       0, 0, metaState, mCurrentRawState.buttonState,
+                                       MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
+                                       &mPointerSimple.currentProperties, &pointerCoords,
+                                       mOrientedXPrecision, mOrientedYPrecision, xCursorPosition,
+                                       yCursorPosition, mPointerSimple.downTime,
+                                       /* videoFrames */ {}));
     }
 
     // Save state.
@@ -3647,22 +3707,23 @@
     } else {
         mPointerSimple.reset();
     }
+    return out;
 }
 
-void TouchInputMapper::abortPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags) {
+std::list<NotifyArgs> TouchInputMapper::abortPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags) {
     mPointerSimple.currentCoords.clear();
     mPointerSimple.currentProperties.clear();
 
-    dispatchPointerSimple(when, readTime, policyFlags, false, false);
+    return dispatchPointerSimple(when, readTime, policyFlags, false, false);
 }
 
-void TouchInputMapper::dispatchMotion(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                      uint32_t source, int32_t action, int32_t actionButton,
-                                      int32_t flags, int32_t metaState, int32_t buttonState,
-                                      int32_t edgeFlags, const PointerProperties* properties,
-                                      const PointerCoords* coords, const uint32_t* idToIndex,
-                                      BitSet32 idBits, int32_t changedId, float xPrecision,
-                                      float yPrecision, nsecs_t downTime) {
+NotifyMotionArgs TouchInputMapper::dispatchMotion(
+        nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source, int32_t action,
+        int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+        int32_t edgeFlags, const PointerProperties* properties, const PointerCoords* coords,
+        const uint32_t* idToIndex, BitSet32 idBits, int32_t changedId, float xPrecision,
+        float yPrecision, nsecs_t downTime, MotionClassification classification) {
     PointerCoords pointerCoords[MAX_POINTERS];
     PointerProperties pointerProperties[MAX_POINTERS];
     uint32_t pointerCount = 0;
@@ -3708,12 +3769,11 @@
     std::vector<TouchVideoFrame> frames = getDeviceContext().getVideoFrames();
     std::for_each(frames.begin(), frames.end(),
                   [this](TouchVideoFrame& frame) { frame.rotate(this->mInputDeviceOrientation); });
-    NotifyMotionArgs args(getContext()->getNextId(), when, readTime, deviceId, source, displayId,
-                          policyFlags, action, actionButton, flags, metaState, buttonState,
-                          MotionClassification::NONE, edgeFlags, pointerCount, pointerProperties,
-                          pointerCoords, xPrecision, yPrecision, xCursorPosition, yCursorPosition,
-                          downTime, std::move(frames));
-    getListener().notifyMotion(&args);
+    return NotifyMotionArgs(getContext()->getNextId(), when, readTime, deviceId, source, displayId,
+                            policyFlags, action, actionButton, flags, metaState, buttonState,
+                            classification, edgeFlags, pointerCount, pointerProperties,
+                            pointerCoords, xPrecision, yPrecision, xCursorPosition, yCursorPosition,
+                            downTime, std::move(frames));
 }
 
 bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties,
@@ -3746,9 +3806,11 @@
     return changed;
 }
 
-void TouchInputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
-    abortPointerUsage(when, readTime, 0 /*policyFlags*/);
-    abortTouches(when, readTime, 0 /* policyFlags*/);
+std::list<NotifyArgs> TouchInputMapper::cancelTouch(nsecs_t when, nsecs_t readTime) {
+    std::list<NotifyArgs> out;
+    out += abortPointerUsage(when, readTime, 0 /*policyFlags*/);
+    out += abortTouches(when, readTime, 0 /* policyFlags*/);
+    return out;
 }
 
 // Transform input device coordinates to display panel coordinates.
@@ -3798,12 +3860,11 @@
 
 const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
     for (const VirtualKey& virtualKey : mVirtualKeys) {
-        if (DEBUG_VIRTUAL_KEYS) {
-            ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
-                  "left=%d, top=%d, right=%d, bottom=%d",
-                  x, y, virtualKey.keyCode, virtualKey.scanCode, virtualKey.hitLeft,
-                  virtualKey.hitTop, virtualKey.hitRight, virtualKey.hitBottom);
-        }
+        ALOGD_IF(DEBUG_VIRTUAL_KEYS,
+                 "VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+                 "left=%d, top=%d, right=%d, bottom=%d",
+                 x, y, virtualKey.keyCode, virtualKey.scanCode, virtualKey.hitLeft,
+                 virtualKey.hitTop, virtualKey.hitRight, virtualKey.hitBottom);
 
         if (virtualKey.isHit(x, y)) {
             return &virtualKey;
@@ -3974,11 +4035,10 @@
                                                      currentPointerIndex));
             usedIdBits.markBit(id);
 
-            if (DEBUG_POINTER_ASSIGNMENT) {
-                ALOGD("assignPointerIds - matched: cur=%" PRIu32 ", last=%" PRIu32 ", id=%" PRIu32
-                      ", distance=%" PRIu64,
-                      lastPointerIndex, currentPointerIndex, id, heap[0].distance);
-            }
+            ALOGD_IF(DEBUG_POINTER_ASSIGNMENT,
+                     "assignPointerIds - matched: cur=%" PRIu32 ", last=%" PRIu32 ", id=%" PRIu32
+                     ", distance=%" PRIu64,
+                     lastPointerIndex, currentPointerIndex, id, heap[0].distance);
             break;
         }
     }
@@ -3993,10 +4053,9 @@
         current.rawPointerData.markIdBit(id,
                                          current.rawPointerData.isHovering(currentPointerIndex));
 
-        if (DEBUG_POINTER_ASSIGNMENT) {
-            ALOGD("assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex,
-                  id);
-        }
+        ALOGD_IF(DEBUG_POINTER_ASSIGNMENT,
+                 "assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex,
+                 id);
     }
 }
 
@@ -4028,10 +4087,11 @@
     return AKEY_STATE_UNKNOWN;
 }
 
-bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                             const int32_t* keyCodes, uint8_t* outFlags) {
+bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                             const std::vector<int32_t>& keyCodes,
+                                             uint8_t* outFlags) {
     for (const VirtualKey& virtualKey : mVirtualKeys) {
-        for (size_t i = 0; i < numCodes; i++) {
+        for (size_t i = 0; i < keyCodes.size(); i++) {
             if (virtualKey.keyCode == keyCodes[i]) {
                 outFlags[i] = 1;
             }
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index c948f56..50f30c8 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
-#define _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
+#pragma once
 
 #include <stdint.h>
 
@@ -141,18 +140,21 @@
     uint32_t getSources() const override;
     void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
     void dump(std::string& dump) override;
-    void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
-    void reset(nsecs_t when) override;
-    void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
+                                                  const InputReaderConfiguration* config,
+                                                  uint32_t changes) override;
+    [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
     int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
     int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) override;
 
-    void cancelTouch(nsecs_t when, nsecs_t readTime) override;
-    void timeoutExpired(nsecs_t when) override;
-    void updateExternalStylusState(const StylusState& state) override;
+    [[nodiscard]] std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime) override;
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> updateExternalStylusState(
+            const StylusState& state) override;
     std::optional<int32_t> getAssociatedDisplayId() override;
 
 protected:
@@ -197,7 +199,6 @@
     struct Parameters {
         enum class DeviceType {
             TOUCH_SCREEN,
-            TOUCH_PAD,
             TOUCH_NAVIGATION,
             POINTER,
 
@@ -248,12 +249,9 @@
 
         SizeCalibration sizeCalibration;
 
-        bool haveSizeScale;
-        float sizeScale;
-        bool haveSizeBias;
-        float sizeBias;
-        bool haveSizeIsSummed;
-        bool sizeIsSummed;
+        std::optional<float> sizeScale;
+        std::optional<float> sizeBias;
+        std::optional<bool> sizeIsSummed;
 
         // Pressure
         enum class PressureCalibration {
@@ -264,8 +262,7 @@
         };
 
         PressureCalibration pressureCalibration;
-        bool havePressureScale;
-        float pressureScale;
+        std::optional<float> pressureScale;
 
         // Orientation
         enum class OrientationCalibration {
@@ -285,8 +282,7 @@
         };
 
         DistanceCalibration distanceCalibration;
-        bool haveDistanceScale;
-        float distanceScale;
+        std::optional<float> distanceScale;
 
         enum class CoverageCalibration {
             DEFAULT,
@@ -296,15 +292,15 @@
 
         CoverageCalibration coverageCalibration;
 
-        inline void applySizeScaleAndBias(float* outSize) const {
-            if (haveSizeScale) {
-                *outSize *= sizeScale;
+        inline void applySizeScaleAndBias(float& outSize) const {
+            if (sizeScale) {
+                outSize *= *sizeScale;
             }
-            if (haveSizeBias) {
-                *outSize += sizeBias;
+            if (sizeBias) {
+                outSize += *sizeBias;
             }
-            if (*outSize < 0) {
-                *outSize = 0;
+            if (outSize < 0) {
+                outSize = 0;
             }
         }
     } mCalibration;
@@ -327,6 +323,8 @@
         int32_t rawVScroll;
         int32_t rawHScroll;
 
+        explicit inline RawState() { clear(); }
+
         void copyFrom(const RawState& other) {
             when = other.when;
             readTime = other.readTime;
@@ -475,35 +473,29 @@
         InputDeviceInfo::MotionRange y;
         InputDeviceInfo::MotionRange pressure;
 
-        bool haveSize;
-        InputDeviceInfo::MotionRange size;
+        std::optional<InputDeviceInfo::MotionRange> size;
 
-        bool haveTouchSize;
-        InputDeviceInfo::MotionRange touchMajor;
-        InputDeviceInfo::MotionRange touchMinor;
+        std::optional<InputDeviceInfo::MotionRange> touchMajor;
+        std::optional<InputDeviceInfo::MotionRange> touchMinor;
 
-        bool haveToolSize;
-        InputDeviceInfo::MotionRange toolMajor;
-        InputDeviceInfo::MotionRange toolMinor;
+        std::optional<InputDeviceInfo::MotionRange> toolMajor;
+        std::optional<InputDeviceInfo::MotionRange> toolMinor;
 
-        bool haveOrientation;
-        InputDeviceInfo::MotionRange orientation;
+        std::optional<InputDeviceInfo::MotionRange> orientation;
 
-        bool haveDistance;
-        InputDeviceInfo::MotionRange distance;
+        std::optional<InputDeviceInfo::MotionRange> distance;
 
-        bool haveTilt;
-        InputDeviceInfo::MotionRange tilt;
-
-        OrientedRanges() { clear(); }
+        std::optional<InputDeviceInfo::MotionRange> tilt;
 
         void clear() {
-            haveSize = false;
-            haveTouchSize = false;
-            haveToolSize = false;
-            haveOrientation = false;
-            haveDistance = false;
-            haveTilt = false;
+            size = std::nullopt;
+            touchMajor = std::nullopt;
+            touchMinor = std::nullopt;
+            toolMajor = std::nullopt;
+            toolMinor = std::nullopt;
+            orientation = std::nullopt;
+            distance = std::nullopt;
+            tilt = std::nullopt;
         }
     } mOrientedRanges;
 
@@ -527,7 +519,9 @@
     float mPointerXZoomScale;
     float mPointerYZoomScale;
 
-    // The maximum swipe width.
+    // The maximum swipe width between pointers to detect a swipe gesture
+    // in the number of pixels.Touches that are wider than this are translated
+    // into freeform gestures.
     float mPointerGestureMaxSwipeWidth;
 
     struct PointerDistanceHeapElement {
@@ -737,42 +731,64 @@
     void initializeOrientedRanges();
     void initializeSizeRanges();
 
-    void sync(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
 
-    bool consumeRawTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void processRawTouches(bool timeout);
-    void cookAndDispatch(nsecs_t when, nsecs_t readTime);
-    void dispatchVirtualKey(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                            int32_t keyEventAction, int32_t keyEventFlags);
+    [[nodiscard]] std::list<NotifyArgs> consumeRawTouches(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags, bool& outConsumed);
+    [[nodiscard]] std::list<NotifyArgs> processRawTouches(bool timeout);
+    [[nodiscard]] std::list<NotifyArgs> cookAndDispatch(nsecs_t when, nsecs_t readTime);
+    [[nodiscard]] NotifyKeyArgs dispatchVirtualKey(nsecs_t when, nsecs_t readTime,
+                                                   uint32_t policyFlags, int32_t keyEventAction,
+                                                   int32_t keyEventFlags);
 
-    void dispatchTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchHoverExit(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchButtonRelease(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void dispatchButtonPress(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchTouches(nsecs_t when, nsecs_t readTime,
+                                                        uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchHoverExit(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime,
+                                                                  uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchButtonRelease(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchButtonPress(nsecs_t when, nsecs_t readTime,
+                                                            uint32_t policyFlags);
     const BitSet32& findActiveIdBits(const CookedPointerData& cookedPointerData);
     void cookPointerData();
-    void abortTouches(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortTouches(nsecs_t when, nsecs_t readTime,
+                                                     uint32_t policyFlags);
 
-    void dispatchPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                              PointerUsage pointerUsage);
-    void abortPointerUsage(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags,
+                                                             PointerUsage pointerUsage);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerUsage(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
 
-    void dispatchPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags,
-                                 bool isTimeout);
-    void abortPointerGestures(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                                uint32_t policyFlags,
+                                                                bool isTimeout);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerGestures(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags);
     bool preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture,
                                 bool* outFinishPreviousGesture, bool isTimeout);
 
-    void dispatchPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void abortPointerStylus(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    // Moves the on-screen mouse pointer based on the movement of the pointer of the given ID
+    // between the last and current events. Uses a relative motion.
+    void moveMousePointerFromPointerDelta(nsecs_t when, uint32_t pointerId);
 
-    void dispatchPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
-    void abortPointerMouse(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerStylus(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags);
 
-    void dispatchPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags, bool down,
-                               bool hovering);
-    void abortPointerSimple(nsecs_t when, nsecs_t readTime, uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                             uint32_t policyFlags);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerMouse(nsecs_t when, nsecs_t readTime,
+                                                          uint32_t policyFlags);
+
+    [[nodiscard]] std::list<NotifyArgs> dispatchPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                              uint32_t policyFlags, bool down,
+                                                              bool hovering);
+    [[nodiscard]] std::list<NotifyArgs> abortPointerSimple(nsecs_t when, nsecs_t readTime,
+                                                           uint32_t policyFlags);
 
     bool assignExternalStylusId(const RawState& state, bool timeout);
     void applyExternalStylusButtonState(nsecs_t when);
@@ -782,11 +798,12 @@
     // If the changedId is >= 0 and the action is POINTER_DOWN or POINTER_UP, the
     // method will take care of setting the index and transmuting the action to DOWN or UP
     // it is the first / last pointer to go down / up.
-    void dispatchMotion(nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source,
-                        int32_t action, int32_t actionButton, int32_t flags, int32_t metaState,
-                        int32_t buttonState, int32_t edgeFlags, const PointerProperties* properties,
-                        const PointerCoords* coords, const uint32_t* idToIndex, BitSet32 idBits,
-                        int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime);
+    [[nodiscard]] NotifyMotionArgs dispatchMotion(
+            nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source, int32_t action,
+            int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState,
+            int32_t edgeFlags, const PointerProperties* properties, const PointerCoords* coords,
+            const uint32_t* idToIndex, BitSet32 idBits, int32_t changedId, float xPrecision,
+            float yPrecision, nsecs_t downTime, MotionClassification classification);
 
     // Updates pointer coords and properties for pointers with specified ids that have moved.
     // Returns true if any of them changed.
@@ -811,5 +828,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_INPUT_MAPPER_H
diff --git a/services/inputflinger/reader/mapper/VibratorInputMapper.cpp b/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
index 33db527..7645b12 100644
--- a/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/VibratorInputMapper.cpp
@@ -35,16 +35,18 @@
     info->setVibrator(true);
 }
 
-void VibratorInputMapper::process(const RawEvent* rawEvent) {
+std::list<NotifyArgs> VibratorInputMapper::process(const RawEvent* rawEvent) {
     // TODO: Handle FF_STATUS, although it does not seem to be widely supported.
+    return {};
 }
 
-void VibratorInputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat,
-                                  int32_t token) {
+std::list<NotifyArgs> VibratorInputMapper::vibrate(const VibrationSequence& sequence,
+                                                   ssize_t repeat, int32_t token) {
     if (DEBUG_VIBRATOR) {
         ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%zd, token=%d", getDeviceId(),
               sequence.toString().c_str(), repeat, token);
     }
+    std::list<NotifyArgs> out;
 
     mVibrating = true;
     mSequence = sequence;
@@ -53,19 +55,22 @@
     mIndex = -1;
 
     // Request InputReader to notify InputManagerService for vibration started.
-    NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), true);
-    getListener().notifyVibratorState(&args);
-    nextStep();
+    out.push_back(
+            NotifyVibratorStateArgs(getContext()->getNextId(), systemTime(), getDeviceId(), true));
+    out += nextStep();
+    return out;
 }
 
-void VibratorInputMapper::cancelVibrate(int32_t token) {
+std::list<NotifyArgs> VibratorInputMapper::cancelVibrate(int32_t token) {
     if (DEBUG_VIBRATOR) {
         ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
     }
+    std::list<NotifyArgs> out;
 
     if (mVibrating && mToken == token) {
-        stopVibrating();
+        out.push_back(stopVibrating());
     }
+    return out;
 }
 
 bool VibratorInputMapper::isVibrating() {
@@ -76,26 +81,29 @@
     return getDeviceContext().getVibratorIds();
 }
 
-void VibratorInputMapper::timeoutExpired(nsecs_t when) {
+std::list<NotifyArgs> VibratorInputMapper::timeoutExpired(nsecs_t when) {
+    std::list<NotifyArgs> out;
     if (mVibrating) {
         if (when >= mNextStepTime) {
-            nextStep();
+            out += nextStep();
         } else {
             getContext()->requestTimeoutAtTime(mNextStepTime);
         }
     }
+    return out;
 }
 
-void VibratorInputMapper::nextStep() {
+std::list<NotifyArgs> VibratorInputMapper::nextStep() {
     if (DEBUG_VIBRATOR) {
         ALOGD("nextStep: index=%d, vibrate deviceId=%d", (int)mIndex, getDeviceId());
     }
+    std::list<NotifyArgs> out;
     mIndex += 1;
     if (size_t(mIndex) >= mSequence.pattern.size()) {
         if (mRepeat < 0) {
             // We are done.
-            stopVibrating();
-            return;
+            out.push_back(stopVibrating());
+            return out;
         }
         mIndex = mRepeat;
     }
@@ -122,9 +130,10 @@
     if (DEBUG_VIBRATOR) {
         ALOGD("nextStep: scheduled timeout in %lldms", element.duration.count());
     }
+    return out;
 }
 
-void VibratorInputMapper::stopVibrating() {
+NotifyVibratorStateArgs VibratorInputMapper::stopVibrating() {
     mVibrating = false;
     if (DEBUG_VIBRATOR) {
         ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
@@ -132,8 +141,7 @@
     getDeviceContext().cancelVibrate();
 
     // Request InputReader to notify InputManagerService for vibration complete.
-    NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), false);
-    getListener().notifyVibratorState(&args);
+    return NotifyVibratorStateArgs(getContext()->getNextId(), systemTime(), getDeviceId(), false);
 }
 
 void VibratorInputMapper::dump(std::string& dump) {
diff --git a/services/inputflinger/reader/mapper/VibratorInputMapper.h b/services/inputflinger/reader/mapper/VibratorInputMapper.h
index d3c22b6..e98f63a 100644
--- a/services/inputflinger/reader/mapper/VibratorInputMapper.h
+++ b/services/inputflinger/reader/mapper/VibratorInputMapper.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
-#define _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
+#pragma once
 
 #include "InputMapper.h"
 
@@ -28,13 +27,14 @@
 
     virtual uint32_t getSources() const override;
     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
-    virtual void process(const RawEvent* rawEvent) override;
+    [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
 
-    virtual void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token) override;
-    virtual void cancelVibrate(int32_t token) override;
+    [[nodiscard]] std::list<NotifyArgs> vibrate(const VibrationSequence& sequence, ssize_t repeat,
+                                                int32_t token) override;
+    [[nodiscard]] std::list<NotifyArgs> cancelVibrate(int32_t token) override;
     virtual bool isVibrating() override;
     virtual std::vector<int32_t> getVibratorIds() override;
-    virtual void timeoutExpired(nsecs_t when) override;
+    [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when) override;
     virtual void dump(std::string& dump) override;
 
 private:
@@ -45,10 +45,8 @@
     ssize_t mIndex;
     nsecs_t mNextStepTime;
 
-    void nextStep();
-    void stopVibrating();
+    [[nodiscard]] std::list<NotifyArgs> nextStep();
+    [[nodiscard]] NotifyVibratorStateArgs stopVibrating();
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h b/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
index 9e15906..ed4c789 100644
--- a/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/CursorButtonAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
-#define _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -48,5 +47,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_BUTTON_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h b/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
index 1649559..ae1b7a3 100644
--- a/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/CursorScrollAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
-#define _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -56,5 +55,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_CURSOR_SCROLL_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h b/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
index 4c011f1..93056f0 100644
--- a/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/SingleTouchMotionAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
-#define _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -53,5 +52,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_SINGLE_TOUCH_MOTION_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
index 22ebb72..7b889be 100644
--- a/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
+++ b/services/inputflinger/reader/mapper/accumulator/TouchButtonAccumulator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
-#define _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
+#pragma once
 
 #include <stdint.h>
 
@@ -62,5 +61,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_INPUTREADER_TOUCH_BUTTON_ACCUMULATOR_H
\ No newline at end of file
diff --git a/services/inputflinger/reporter/InputReporter.cpp b/services/inputflinger/reporter/InputReporter.cpp
index b591d3f..6f1eef6 100644
--- a/services/inputflinger/reporter/InputReporter.cpp
+++ b/services/inputflinger/reporter/InputReporter.cpp
@@ -35,7 +35,7 @@
 }
 
 sp<InputReporterInterface> createInputReporter() {
-    return new InputReporter();
+    return sp<InputReporter>::make();
 }
 
 } // namespace android
diff --git a/services/inputflinger/reporter/InputReporterInterface.h b/services/inputflinger/reporter/InputReporterInterface.h
index e5d3606..72a4aeb 100644
--- a/services/inputflinger/reporter/InputReporterInterface.h
+++ b/services/inputflinger/reporter/InputReporterInterface.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_INPUT_REPORTER_INTERFACE_H
-#define _UI_INPUT_REPORTER_INTERFACE_H
+#pragma once
 
 #include <utils/RefBase.h>
 
@@ -49,5 +48,3 @@
 sp<InputReporterInterface> createInputReporter();
 
 } // namespace android
-
-#endif // _UI_INPUT_REPORTER_INTERFACE_H
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index 75cd9da..76500c5 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -41,8 +41,8 @@
         "EventHub_test.cpp",
         "FocusResolver_test.cpp",
         "IInputFlingerQuery.aidl",
-        "InputClassifier_test.cpp",
-        "InputClassifierConverter_test.cpp",
+        "InputProcessor_test.cpp",
+        "InputProcessorConverter_test.cpp",
         "InputDispatcher_test.cpp",
         "InputReader_test.cpp",
         "InputFlingerService_test.cpp",
diff --git a/services/inputflinger/tests/AnrTracker_test.cpp b/services/inputflinger/tests/AnrTracker_test.cpp
index b561da1..f8be48a 100644
--- a/services/inputflinger/tests/AnrTracker_test.cpp
+++ b/services/inputflinger/tests/AnrTracker_test.cpp
@@ -40,8 +40,8 @@
 TEST(AnrTrackerTest, MultipleEntries_RemoveToken) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(1, token1);
     tracker.insert(2, token2);
@@ -90,8 +90,8 @@
 TEST(AnrTrackerTest, MultipleTokens_MaintainsOrder) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(5, token2);
@@ -104,8 +104,8 @@
 TEST(AnrTrackerTest, MultipleTokens_IdenticalTimes) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(2, token2);
@@ -119,8 +119,8 @@
 TEST(AnrTrackerTest, MultipleTokens_IdenticalTimesRemove) {
     AnrTracker tracker;
 
-    sp<IBinder> token1 = new BBinder();
-    sp<IBinder> token2 = new BBinder();
+    sp<IBinder> token1 = sp<BBinder>::make();
+    sp<IBinder> token2 = sp<BBinder>::make();
 
     tracker.insert(2, token1);
     tracker.insert(2, token2);
@@ -152,12 +152,12 @@
     ASSERT_EQ(nullptr, tracker.firstToken());
 
     // Remove with non-matching token
-    tracker.erase(1, new BBinder());
+    tracker.erase(1, sp<BBinder>::make());
     ASSERT_EQ(1, tracker.firstTimeout());
     ASSERT_EQ(nullptr, tracker.firstToken());
 
     // Remove with both non-matching
-    tracker.erase(2, new BBinder());
+    tracker.erase(2, sp<BBinder>::make());
     ASSERT_EQ(1, tracker.firstTimeout());
     ASSERT_EQ(nullptr, tracker.firstToken());
 }
diff --git a/services/inputflinger/tests/EventHub_test.cpp b/services/inputflinger/tests/EventHub_test.cpp
index 6ef6e44..9380c71 100644
--- a/services/inputflinger/tests/EventHub_test.cpp
+++ b/services/inputflinger/tests/EventHub_test.cpp
@@ -99,8 +99,6 @@
 };
 
 std::vector<RawEvent> EventHubTest::getEvents(std::optional<size_t> expectedEvents) {
-    static constexpr size_t EVENT_BUFFER_SIZE = 256;
-    std::array<RawEvent, EVENT_BUFFER_SIZE> eventBuffer;
     std::vector<RawEvent> events;
 
     while (true) {
@@ -108,12 +106,12 @@
         if (expectedEvents) {
             timeout = 2s;
         }
-        const size_t count =
-                mEventHub->getEvents(timeout.count(), eventBuffer.data(), eventBuffer.size());
-        if (count == 0) {
+
+        std::vector<RawEvent> newEvents = mEventHub->getEvents(timeout.count());
+        if (newEvents.empty()) {
             break;
         }
-        events.insert(events.end(), eventBuffer.begin(), eventBuffer.begin() + count);
+        events.insert(events.end(), newEvents.begin(), newEvents.end());
         if (expectedEvents && events.size() >= *expectedEvents) {
             break;
         }
diff --git a/services/inputflinger/tests/FocusResolver_test.cpp b/services/inputflinger/tests/FocusResolver_test.cpp
index 91be4a3..5d5cf9c 100644
--- a/services/inputflinger/tests/FocusResolver_test.cpp
+++ b/services/inputflinger/tests/FocusResolver_test.cpp
@@ -50,16 +50,16 @@
 };
 
 TEST(FocusResolverTest, SetFocusedWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
-    sp<IBinder> invisibleWindowToken = new BBinder();
-    sp<IBinder> unfocusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
+    sp<IBinder> unfocusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Focusable", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
-    windows.push_back(new FakeWindowHandle("Invisible", invisibleWindowToken, true /* focusable */,
-                                           false /* visible */));
-    windows.push_back(new FakeWindowHandle("unfocusable", unfocusableWindowToken,
-                                           false /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Focusable", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Invisible", invisibleWindowToken,
+                                                 true /* focusable */, false /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("unfocusable", unfocusableWindowToken,
+                                                 false /* focusable */, true /* visible */));
 
     // focusable window can get focused
     FocusRequest request;
@@ -85,10 +85,10 @@
 }
 
 TEST(FocusResolverTest, RemoveFocusFromFocusedWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Focusable", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Focusable", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
 
     FocusRequest request;
     request.displayId = 42;
@@ -109,24 +109,24 @@
 }
 
 TEST(FocusResolverTest, SetFocusedMirroredWindow) {
-    sp<IBinder> focusableWindowToken = new BBinder();
-    sp<IBinder> invisibleWindowToken = new BBinder();
-    sp<IBinder> unfocusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
+    sp<IBinder> unfocusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    windows.push_back(new FakeWindowHandle("Mirror1", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror1", focusableWindowToken, true /* focusable */,
-                                           true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror1", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror1", focusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
 
-    windows.push_back(new FakeWindowHandle("Mirror2Visible", invisibleWindowToken,
-                                           true /* focusable */, true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror2Invisible", invisibleWindowToken,
-                                           true /* focusable */, false /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror2Visible", invisibleWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror2Invisible", invisibleWindowToken,
+                                                 true /* focusable */, false /* visible */));
 
-    windows.push_back(new FakeWindowHandle("Mirror3Focusable", unfocusableWindowToken,
-                                           true /* focusable */, true /* visible */));
-    windows.push_back(new FakeWindowHandle("Mirror3Unfocusable", unfocusableWindowToken,
-                                           false /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror3Focusable", unfocusableWindowToken,
+                                                 true /* focusable */, true /* visible */));
+    windows.push_back(sp<FakeWindowHandle>::make("Mirror3Unfocusable", unfocusableWindowToken,
+                                                 false /* focusable */, true /* visible */));
 
     // mirrored window can get focused
     FocusRequest request;
@@ -149,10 +149,11 @@
 }
 
 TEST(FocusResolverTest, SetInputWindows) {
-    sp<IBinder> focusableWindowToken = new BBinder();
+    sp<IBinder> focusableWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Focusable", focusableWindowToken,
-                                                       true /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Focusable", focusableWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     // focusable window can get focused
@@ -171,12 +172,12 @@
 }
 
 TEST(FocusResolverTest, FocusRequestsCanBePending) {
-    sp<IBinder> invisibleWindowToken = new BBinder();
+    sp<IBinder> invisibleWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
     sp<FakeWindowHandle> invisibleWindow =
-            new FakeWindowHandle("Invisible", invisibleWindowToken, true /* focusable */,
-                                 false /* visible */);
+            sp<FakeWindowHandle>::make("Invisible", invisibleWindowToken, true /* focusable */,
+                                       false /* visible */);
     windows.push_back(invisibleWindow);
 
     // invisible window cannot get focused
@@ -195,11 +196,12 @@
 }
 
 TEST(FocusResolverTest, FocusRequestsArePersistent) {
-    sp<IBinder> windowToken = new BBinder();
+    sp<IBinder> windowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Test Window", windowToken,
-                                                       false /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Test Window", windowToken, false /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     // non-focusable window cannot get focused
@@ -236,17 +238,17 @@
 }
 
 TEST(FocusResolverTest, ConditionalFocusRequestsAreNotPersistent) {
-    sp<IBinder> hostWindowToken = new BBinder();
+    sp<IBinder> hostWindowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
     sp<FakeWindowHandle> hostWindow =
-            new FakeWindowHandle("Host Window", hostWindowToken, true /* focusable */,
-                                 true /* visible */);
+            sp<FakeWindowHandle>::make("Host Window", hostWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(hostWindow);
-    sp<IBinder> embeddedWindowToken = new BBinder();
+    sp<IBinder> embeddedWindowToken = sp<BBinder>::make();
     sp<FakeWindowHandle> embeddedWindow =
-            new FakeWindowHandle("Embedded Window", embeddedWindowToken, true /* focusable */,
-                                 true /* visible */);
+            sp<FakeWindowHandle>::make("Embedded Window", embeddedWindowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(embeddedWindow);
 
     FocusRequest request;
@@ -287,11 +289,12 @@
     ASSERT_FALSE(changes);
 }
 TEST(FocusResolverTest, FocusRequestsAreClearedWhenWindowIsRemoved) {
-    sp<IBinder> windowToken = new BBinder();
+    sp<IBinder> windowToken = sp<BBinder>::make();
     std::vector<sp<WindowInfoHandle>> windows;
 
-    sp<FakeWindowHandle> window = new FakeWindowHandle("Test Window", windowToken,
-                                                       true /* focusable */, true /* visible */);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make("Test Window", windowToken, true /* focusable */,
+                                       true /* visible */);
     windows.push_back(window);
 
     FocusRequest request;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index df1a230..985c9c5 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -58,13 +58,19 @@
         AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 static constexpr int32_t POINTER_2_DOWN =
         AMOTION_EVENT_ACTION_POINTER_DOWN | (2 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+static constexpr int32_t POINTER_3_DOWN =
+        AMOTION_EVENT_ACTION_POINTER_DOWN | (3 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 static constexpr int32_t POINTER_1_UP =
         AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
 
-// The default pid and uid for windows created by the test.
+// The default pid and uid for windows created on the primary display by the test.
 static constexpr int32_t WINDOW_PID = 999;
 static constexpr int32_t WINDOW_UID = 1001;
 
+// The default pid and uid for the windows created on the secondary display by the test.
+static constexpr int32_t SECONDARY_WINDOW_PID = 1010;
+static constexpr int32_t SECONDARY_WINDOW_UID = 1012;
+
 // The default policy flags to use for event injection by tests.
 static constexpr uint32_t DEFAULT_POLICY_FLAGS = POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER;
 
@@ -412,7 +418,6 @@
 
     void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
 
-    void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
     void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
                            InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
                            const std::vector<float>& values) override {}
@@ -509,7 +514,7 @@
     std::unique_ptr<InputDispatcher> mDispatcher;
 
     void SetUp() override {
-        mFakePolicy = new FakeInputDispatcherPolicy();
+        mFakePolicy = sp<FakeInputDispatcherPolicy>::make();
         mDispatcher = std::make_unique<InputDispatcher>(mFakePolicy, STALE_EVENT_TIMEOUT);
         mDispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
         // Start InputDispatcher thread
@@ -746,7 +751,7 @@
 public:
     FakeApplicationHandle() {
         mInfo.name = "Fake Application";
-        mInfo.token = new BBinder();
+        mInfo.token = sp<BBinder>::make();
         mInfo.dispatchingTimeoutMillis =
                 std::chrono::duration_cast<std::chrono::milliseconds>(DISPATCHING_TIMEOUT).count();
     }
@@ -1022,8 +1027,8 @@
             const std::shared_ptr<InputApplicationHandle>& inputApplicationHandle,
             const std::unique_ptr<InputDispatcher>& dispatcher, int32_t displayId) {
         sp<FakeWindowHandle> handle =
-                new FakeWindowHandle(inputApplicationHandle, dispatcher, mInfo.name + "(Mirror)",
-                                     displayId, mInfo.token);
+                sp<FakeWindowHandle>::make(inputApplicationHandle, dispatcher,
+                                           mInfo.name + "(Mirror)", displayId, mInfo.token);
         return handle;
     }
 
@@ -1557,8 +1562,8 @@
 TEST_F(InputDispatcherTest, WhenInputChannelBreaks_PolicyIsNotified) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window that breaks its input channel",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher,
+                                       "Window that breaks its input channel", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -1569,8 +1574,8 @@
 
 TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1583,8 +1588,8 @@
 
 TEST_F(InputDispatcherTest, WhenDisplayNotSpecified_InjectMotionToDefaultDisplay) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     // Inject a MotionEvent to an unknown display.
@@ -1603,8 +1608,8 @@
  */
 TEST_F(InputDispatcherTest, SetInputWindowOnceWithSingleTouchWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -1622,8 +1627,8 @@
  */
 TEST_F(InputDispatcherTest, SetInputWindowTwice_SingleWindowTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -1641,9 +1646,9 @@
 TEST_F(InputDispatcherTest, SetInputWindow_MultiWindowsTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1665,10 +1670,10 @@
 TEST_F(InputDispatcherTest, WhenForegroundWindowDisappears_WallpaperTouchIsCanceled) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> foregroundWindow =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
     foregroundWindow->setDupTouchToWallpaper(true);
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1709,10 +1714,10 @@
 TEST_F(InputDispatcherTest, WhenWallpaperDisappears_NoCrash) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> foregroundWindow =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
     foregroundWindow->setDupTouchToWallpaper(true);
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1753,11 +1758,11 @@
 TEST_F(InputDispatcherTest, WallpaperWindow_ReceivesMultiTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     window->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
             AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
@@ -1808,17 +1813,17 @@
 TEST_F(InputDispatcherTest, TwoWindows_SplitWallpaperTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> leftWindow =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     leftWindow->setFrame(Rect(0, 0, 200, 200));
     leftWindow->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> rightWindow =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     rightWindow->setFrame(Rect(200, 0, 400, 200));
     rightWindow->setDupTouchToWallpaper(true);
 
     sp<FakeWindowHandle> wallpaperWindow =
-            new FakeWindowHandle(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Wallpaper", ADISPLAY_ID_DEFAULT);
     wallpaperWindow->setFrame(Rect(0, 0, 400, 200));
     wallpaperWindow->setIsWallpaper(true);
     constexpr int expectedWallpaperFlags =
@@ -1895,7 +1900,7 @@
 TEST_F(InputDispatcherTest, SplitWorksWhenEmptyAreaIsTouched) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", DISPLAY_ID);
 
     mDispatcher->setInputWindows({{DISPLAY_ID, {window}}});
     NotifyMotionArgs args;
@@ -1919,11 +1924,11 @@
 TEST_F(InputDispatcherTest, SplitWorksWhenNonTouchableWindowIsTouched) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window1 =
-            new FakeWindowHandle(application, mDispatcher, "Window1", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window1", DISPLAY_ID);
     window1->setTouchableRegion(Region{{0, 0, 100, 100}});
     window1->setTouchable(false);
     sp<FakeWindowHandle> window2 =
-            new FakeWindowHandle(application, mDispatcher, "Window2", DISPLAY_ID);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window2", DISPLAY_ID);
     window2->setTouchableRegion(Region{{100, 0, 200, 100}});
 
     mDispatcher->setInputWindows({{DISPLAY_ID, {window1, window2}}});
@@ -1942,13 +1947,84 @@
     window2->consumeMotionDown();
 }
 
+/**
+ * When splitting touch events the downTime should be adjusted such that the downTime corresponds
+ * to the event time of the first ACTION_DOWN sent to the particular window.
+ */
+TEST_F(InputDispatcherTest, SplitTouchesSendCorrectActionDownTime) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> window1 =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window1", DISPLAY_ID);
+    window1->setTouchableRegion(Region{{0, 0, 100, 100}});
+    sp<FakeWindowHandle> window2 =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window2", DISPLAY_ID);
+    window2->setTouchableRegion(Region{{100, 0, 200, 100}});
+
+    mDispatcher->setInputWindows({{DISPLAY_ID, {window1, window2}}});
+
+    NotifyMotionArgs args;
+    // Touch down on the first window
+    mDispatcher->notifyMotion(&(args = generateTouchArgs(AMOTION_EVENT_ACTION_DOWN, {{50, 50}})));
+
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent1 = window1->consume();
+    window2->assertNoEvents();
+    MotionEvent& motionEvent1 = static_cast<MotionEvent&>(*inputEvent1);
+    nsecs_t downTimeForWindow1 = motionEvent1.getDownTime();
+    ASSERT_EQ(motionEvent1.getDownTime(), motionEvent1.getEventTime());
+
+    // Now touch down on the window with another pointer
+    mDispatcher->notifyMotion(&(args = generateTouchArgs(POINTER_1_DOWN, {{50, 50}, {150, 50}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent2 = window2->consume();
+    MotionEvent& motionEvent2 = static_cast<MotionEvent&>(*inputEvent2);
+    nsecs_t downTimeForWindow2 = motionEvent2.getDownTime();
+    ASSERT_NE(downTimeForWindow1, downTimeForWindow2);
+    ASSERT_EQ(motionEvent2.getDownTime(), motionEvent2.getEventTime());
+
+    // Now move the pointer on the second window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(AMOTION_EVENT_ACTION_MOVE, {{50, 50}, {151, 51}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent3 = window2->consume();
+    MotionEvent& motionEvent3 = static_cast<MotionEvent&>(*inputEvent3);
+    ASSERT_EQ(motionEvent3.getDownTime(), downTimeForWindow2);
+
+    // Now add new touch down on the second window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(POINTER_2_DOWN, {{50, 50}, {151, 51}, {150, 50}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent4 = window2->consume();
+    MotionEvent& motionEvent4 = static_cast<MotionEvent&>(*inputEvent4);
+    ASSERT_EQ(motionEvent4.getDownTime(), downTimeForWindow2);
+
+    // TODO(b/232530217): do not send the unnecessary MOVE event and delete the next line
+    window1->consumeMotionMove();
+    window1->assertNoEvents();
+
+    // Now move the pointer on the first window
+    mDispatcher->notifyMotion(
+            &(args = generateTouchArgs(AMOTION_EVENT_ACTION_MOVE, {{51, 51}, {151, 51}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent5 = window1->consume();
+    MotionEvent& motionEvent5 = static_cast<MotionEvent&>(*inputEvent5);
+    ASSERT_EQ(motionEvent5.getDownTime(), downTimeForWindow1);
+
+    mDispatcher->notifyMotion(&(
+            args = generateTouchArgs(POINTER_3_DOWN, {{51, 51}, {151, 51}, {150, 50}, {50, 50}})));
+    mDispatcher->waitForIdle();
+    InputEvent* inputEvent6 = window1->consume();
+    MotionEvent& motionEvent6 = static_cast<MotionEvent&>(*inputEvent6);
+    ASSERT_EQ(motionEvent6.getDownTime(), downTimeForWindow1);
+}
+
 TEST_F(InputDispatcherTest, HoverMoveEnterMouseClickAndHoverMoveExit) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowLeft =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     windowLeft->setFrame(Rect(0, 0, 600, 800));
     sp<FakeWindowHandle> windowRight =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     windowRight->setFrame(Rect(600, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2054,7 +2130,7 @@
 TEST_F(InputDispatcherTest, HoverEnterMouseClickAndHoverExit) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
     window->setFrame(Rect(0, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2135,10 +2211,10 @@
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> windowLeft =
-            new FakeWindowHandle(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left", ADISPLAY_ID_DEFAULT);
     windowLeft->setFrame(Rect(0, 0, 600, 800));
     sp<FakeWindowHandle> windowRight =
-            new FakeWindowHandle(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Right", ADISPLAY_ID_DEFAULT);
     windowRight->setFrame(Rect(600, 0, 1200, 800));
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -2156,8 +2232,8 @@
 
 TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsKeyStream) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2181,8 +2257,8 @@
 
 TEST_F(InputDispatcherTest, NotifyDeviceReset_CancelsMotionStream) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -2204,8 +2280,8 @@
 
 TEST_F(InputDispatcherTest, InterceptKeyByPolicy) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2226,8 +2302,8 @@
 
 TEST_F(InputDispatcherTest, InterceptKeyIfKeyUp) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2254,15 +2330,17 @@
 TEST_F(InputDispatcherTest, ActionOutsideSentOnlyWhenAWindowIsTouched) {
     // There are three windows that do not overlap. `window` wants to WATCH_OUTSIDE_TOUCH.
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "First Window", ADISPLAY_ID_DEFAULT);
     window->setWatchOutsideTouch(true);
     window->setFrame(Rect{0, 0, 100, 100});
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect{100, 100, 200, 200});
     sp<FakeWindowHandle> thirdWindow =
-            new FakeWindowHandle(application, mDispatcher, "Third Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Third Window",
+                                       ADISPLAY_ID_DEFAULT);
     thirdWindow->setFrame(Rect{200, 200, 300, 300});
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window, secondWindow, thirdWindow}}});
 
@@ -2295,8 +2373,8 @@
 
 TEST_F(InputDispatcherTest, OnWindowInfosChanged_RemoveAllWindowsOnDisplay) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocusable(true);
 
     mDispatcher->onWindowInfosChanged({*window->getInfo()}, {});
@@ -2364,13 +2442,14 @@
 
         // Add two windows to the display. Their frames are represented in the display space.
         sp<FakeWindowHandle> firstWindow =
-                new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                           ADISPLAY_ID_DEFAULT);
         firstWindow->setFrame(Rect(0, 0, 100, 200), displayTransform);
         addWindow(firstWindow);
 
         sp<FakeWindowHandle> secondWindow =
-                new FakeWindowHandle(application, mDispatcher, "Second Window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                           ADISPLAY_ID_DEFAULT);
         secondWindow->setFrame(Rect(100, 200, 200, 400), displayTransform);
         addWindow(secondWindow);
         return {std::move(firstWindow), std::move(secondWindow)};
@@ -2471,9 +2550,11 @@
 
     // Create a couple of windows
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
@@ -2522,13 +2603,13 @@
 
     // Create a couple of windows + a spy window
     sp<FakeWindowHandle> spyWindow =
-            new FakeWindowHandle(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
     spyWindow->setTrustedOverlay(true);
     spyWindow->setSpy(true);
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spyWindow, firstWindow, secondWindow}}});
@@ -2569,10 +2650,12 @@
 
     // Create a couple of windows
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setPreventSplitting(true);
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setPreventSplitting(true);
 
     // Add the windows to the dispatcher
@@ -2644,11 +2727,13 @@
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -2708,11 +2793,13 @@
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -2773,10 +2860,10 @@
 TEST_F(InputDispatcherTest, TransferTouchFocus_CloneSurface) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> firstWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
     firstWindowInPrimary->setFrame(Rect(0, 0, 100, 100));
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFrame(Rect(100, 0, 200, 100));
 
     sp<FakeWindowHandle> mirrorWindowInPrimary =
@@ -2832,10 +2919,10 @@
 TEST_F(InputDispatcherTest, TransferTouch_CloneSurface) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> firstWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W1", ADISPLAY_ID_DEFAULT);
     firstWindowInPrimary->setFrame(Rect(0, 0, 100, 100));
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFrame(Rect(100, 0, 200, 100));
 
     sp<FakeWindowHandle> mirrorWindowInPrimary =
@@ -2887,8 +2974,8 @@
 
 TEST_F(InputDispatcherTest, FocusedWindow_ReceivesFocusEventAndKeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -2905,8 +2992,8 @@
 
 TEST_F(InputDispatcherTest, UnfocusedWindow_DoesNotReceiveFocusEventOrKeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -2920,8 +3007,8 @@
 // If a window is touchable, but does not have focus, it should receive motion events, but not keys
 TEST_F(InputDispatcherTest, UnfocusedWindow_ReceivesMotionsButNotKeys) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -2943,11 +3030,13 @@
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> firstWindow =
-            new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "First Window",
+                                       ADISPLAY_ID_DEFAULT);
     firstWindow->setFrame(Rect(0, 0, 600, 400));
 
     sp<FakeWindowHandle> secondWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second Window",
+                                       ADISPLAY_ID_DEFAULT);
     secondWindow->setFrame(Rect(0, 400, 600, 800));
 
     // Add the windows to the dispatcher
@@ -2998,7 +3087,7 @@
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
 
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     std::array<nsecs_t, GraphicsTimeline::SIZE> graphicsTimeline;
     graphicsTimeline[GraphicsTimeline::GPU_COMPLETED_TIME] = 2;
@@ -3088,7 +3177,7 @@
 TEST_F(InputDispatcherMonitorTest, MonitorTouchIsCanceledWhenForegroundWindowDisappears) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Foreground", ADISPLAY_ID_DEFAULT);
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
 
@@ -3128,8 +3217,8 @@
 
 TEST_F(InputDispatcherMonitorTest, ReceivesMotionEvents) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
@@ -3145,8 +3234,8 @@
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
 
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -3170,8 +3259,8 @@
 
 TEST_F(InputDispatcherMonitorTest, NoWindowTransform) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->setWindowOffset(20, 40);
     window->setWindowTransform(0, 1, -1, 0);
@@ -3199,8 +3288,8 @@
 
 TEST_F(InputDispatcherTest, TestMoveEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Fake Window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
@@ -3230,8 +3319,8 @@
  */
 TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     const WindowInfo& windowInfo = *window->getInfo();
 
     // Set focused application.
@@ -3250,7 +3339,7 @@
 
     SCOPED_TRACE("Disable touch mode");
     mDispatcher->setInTouchMode(false, windowInfo.ownerPid, windowInfo.ownerUid,
-                                /* hasPermission */ true);
+                                true /*hasPermission*/, ADISPLAY_ID_DEFAULT);
     window->consumeTouchModeEvent(false);
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -3264,7 +3353,7 @@
 
     SCOPED_TRACE("Enable touch mode again");
     mDispatcher->setInTouchMode(true, windowInfo.ownerPid, windowInfo.ownerUid,
-                                /* hasPermission */ true);
+                                true /*hasPermission*/, ADISPLAY_ID_DEFAULT);
     window->consumeTouchModeEvent(true);
     window->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
@@ -3276,8 +3365,8 @@
 
 TEST_F(InputDispatcherTest, VerifyInputEvent_KeyEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocusable(true);
@@ -3315,8 +3404,8 @@
 
 TEST_F(InputDispatcherTest, VerifyInputEvent_MotionEvent) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
@@ -3420,9 +3509,9 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     // Top window is also focusable but is not granted focus.
@@ -3443,7 +3532,7 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestInvalidChannel) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     window->setFocusable(true);
@@ -3463,7 +3552,7 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestNoFocusableWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     window->setFocusable(false);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
@@ -3481,9 +3570,9 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow_CheckFocusedToken) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     windowTop->setFocusable(true);
@@ -3506,9 +3595,9 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow_DropRequestFocusTokenNotFocused) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> windowTop =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> windowSecond =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     windowTop->setFocusable(true);
@@ -3527,10 +3616,10 @@
 TEST_F(InputDispatcherTest, SetFocusedWindow_DeferInvisibleWindow) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
     sp<FakeWindowHandle> previousFocusedWindow =
-            new FakeWindowHandle(application, mDispatcher, "previousFocusedWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "previousFocusedWindow",
+                                       ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     window->setFocusable(true);
@@ -3565,7 +3654,7 @@
 TEST_F(InputDispatcherTest, DisplayRemoved) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "window", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     // window is granted focus.
@@ -3610,7 +3699,7 @@
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
     sp<FakeWindowHandle> slipperyExitWindow =
-            new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
     slipperyExitWindow->setSlippery(true);
     // Make sure this one overlaps the bottom window
     slipperyExitWindow->setFrame(Rect(25, 25, 75, 75));
@@ -3619,7 +3708,7 @@
     slipperyExitWindow->setOwnerInfo(SLIPPERY_PID, SLIPPERY_UID);
 
     sp<FakeWindowHandle> slipperyEnterWindow =
-            new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
     slipperyExitWindow->setFrame(Rect(0, 0, 100, 100));
 
     mDispatcher->setInputWindows(
@@ -3653,7 +3742,7 @@
     sp<FakeWindowHandle> mWindow;
 
     virtual void SetUp() override {
-        mFakePolicy = new FakeInputDispatcherPolicy();
+        mFakePolicy = sp<FakeInputDispatcherPolicy>::make();
         mFakePolicy->setKeyRepeatConfiguration(KEY_REPEAT_TIMEOUT, KEY_REPEAT_DELAY);
         mDispatcher = std::make_unique<InputDispatcher>(mFakePolicy);
         mDispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
@@ -3664,7 +3753,7 @@
 
     void setUpWindow() {
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
         mWindow->setFocusable(true);
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow}}});
@@ -3801,7 +3890,7 @@
 
         application1 = std::make_shared<FakeApplicationHandle>();
         windowInPrimary =
-                new FakeWindowHandle(application1, mDispatcher, "D_1", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application1, mDispatcher, "D_1", ADISPLAY_ID_DEFAULT);
 
         // Set focus window for primary display, but focused display would be second one.
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
@@ -3812,7 +3901,7 @@
 
         application2 = std::make_shared<FakeApplicationHandle>();
         windowInSecondary =
-                new FakeWindowHandle(application2, mDispatcher, "D_2", SECOND_DISPLAY_ID);
+                sp<FakeWindowHandle>::make(application2, mDispatcher, "D_2", SECOND_DISPLAY_ID);
         // Set focus to second display window.
         // Set focus display to second one.
         mDispatcher->setFocusedDisplay(SECOND_DISPLAY_ID);
@@ -3941,7 +4030,7 @@
 
 TEST_F(InputDispatcherFocusOnTwoDisplaysTest, CanFocusWindowOnUnfocusedDisplay) {
     sp<FakeWindowHandle> secondWindowInPrimary =
-            new FakeWindowHandle(application1, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(application1, mDispatcher, "D_1_W2", ADISPLAY_ID_DEFAULT);
     secondWindowInPrimary->setFocusable(true);
     mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowInPrimary, secondWindowInPrimary}}});
     setFocusedWindow(secondWindowInPrimary);
@@ -4110,8 +4199,8 @@
 
         std::shared_ptr<InputApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
-        mWindow =
-                new FakeWindowHandle(application, mDispatcher, "Test Window", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(application, mDispatcher, "Test Window",
+                                             ADISPLAY_ID_DEFAULT);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
         mWindow->setFocusable(true);
@@ -4215,11 +4304,11 @@
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         mUnfocusedWindow =
-                new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
         mUnfocusedWindow->setFrame(Rect(0, 0, 30, 30));
 
         mFocusedWindow =
-                new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
         mFocusedWindow->setFrame(Rect(50, 50, 100, 100));
 
         // Set focused application.
@@ -4325,12 +4414,12 @@
 
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
-        mWindow1 = new FakeWindowHandle(application, mDispatcher, "Fake Window 1",
-                                        ADISPLAY_ID_DEFAULT);
+        mWindow1 = sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window 1",
+                                              ADISPLAY_ID_DEFAULT);
         mWindow1->setFrame(Rect(0, 0, 100, 100));
 
-        mWindow2 = new FakeWindowHandle(application, mDispatcher, "Fake Window 2",
-                                        ADISPLAY_ID_DEFAULT, mWindow1->getToken());
+        mWindow2 = sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window 2",
+                                              ADISPLAY_ID_DEFAULT, mWindow1->getToken());
         mWindow2->setFrame(Rect(100, 100, 200, 200));
 
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow1, mWindow2}}});
@@ -4512,8 +4601,8 @@
 
         mApplication = std::make_shared<FakeApplicationHandle>();
         mApplication->setDispatchingTimeout(20ms);
-        mWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "TestWindow",
+                                             ADISPLAY_ID_DEFAULT);
         mWindow->setFrame(Rect(0, 0, 30, 30));
         mWindow->setDispatchingTimeout(30ms);
         mWindow->setFocusable(true);
@@ -4547,7 +4636,7 @@
 
     sp<FakeWindowHandle> addSpyWindow() {
         sp<FakeWindowHandle> spy =
-                new FakeWindowHandle(mApplication, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
         spy->setTrustedOverlay(true);
         spy->setFocusable(false);
         spy->setSpy(true);
@@ -4993,14 +5082,14 @@
 
         mApplication = std::make_shared<FakeApplicationHandle>();
         mApplication->setDispatchingTimeout(10ms);
-        mUnfocusedWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "Unfocused", ADISPLAY_ID_DEFAULT);
+        mUnfocusedWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Unfocused",
+                                                      ADISPLAY_ID_DEFAULT);
         mUnfocusedWindow->setFrame(Rect(0, 0, 30, 30));
         // Adding FLAG_WATCH_OUTSIDE_TOUCH to receive ACTION_OUTSIDE when another window is tapped
         mUnfocusedWindow->setWatchOutsideTouch(true);
 
-        mFocusedWindow =
-                new FakeWindowHandle(mApplication, mDispatcher, "Focused", ADISPLAY_ID_DEFAULT);
+        mFocusedWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Focused",
+                                                    ADISPLAY_ID_DEFAULT);
         mFocusedWindow->setDispatchingTimeout(30ms);
         mFocusedWindow->setFrame(Rect(50, 50, 100, 100));
 
@@ -5367,16 +5456,16 @@
         InputDispatcherTest::SetUp();
 
         mApplication = std::make_shared<FakeApplicationHandle>();
-        mNoInputWindow = new FakeWindowHandle(mApplication, mDispatcher,
-                                              "Window without input channel", ADISPLAY_ID_DEFAULT,
-                                              std::make_optional<sp<IBinder>>(nullptr) /*token*/);
-
+        mNoInputWindow =
+                sp<FakeWindowHandle>::make(mApplication, mDispatcher,
+                                           "Window without input channel", ADISPLAY_ID_DEFAULT,
+                                           std::make_optional<sp<IBinder>>(nullptr) /*token*/);
         mNoInputWindow->setNoInputChannel(true);
         mNoInputWindow->setFrame(Rect(0, 0, 100, 100));
         // It's perfectly valid for this window to not have an associated input channel
 
-        mBottomWindow = new FakeWindowHandle(mApplication, mDispatcher, "Bottom window",
-                                             ADISPLAY_ID_DEFAULT);
+        mBottomWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher, "Bottom window",
+                                                   ADISPLAY_ID_DEFAULT);
         mBottomWindow->setFrame(Rect(0, 0, 100, 100));
 
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mNoInputWindow, mBottomWindow}}});
@@ -5409,9 +5498,9 @@
  */
 TEST_F(InputDispatcherMultiWindowOcclusionTests,
        NoInputChannelFeature_DropsTouchesWithValidChannel) {
-    mNoInputWindow = new FakeWindowHandle(mApplication, mDispatcher,
-                                          "Window with input channel and NO_INPUT_CHANNEL",
-                                          ADISPLAY_ID_DEFAULT);
+    mNoInputWindow = sp<FakeWindowHandle>::make(mApplication, mDispatcher,
+                                                "Window with input channel and NO_INPUT_CHANNEL",
+                                                ADISPLAY_ID_DEFAULT);
 
     mNoInputWindow->setNoInputChannel(true);
     mNoInputWindow->setFrame(Rect(0, 0, 100, 100));
@@ -5437,9 +5526,9 @@
     virtual void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
-        mMirror = new FakeWindowHandle(mApp, mDispatcher, "TestWindowMirror", ADISPLAY_ID_DEFAULT,
-                                       mWindow->getToken());
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mMirror = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindowMirror",
+                                             ADISPLAY_ID_DEFAULT, mWindow->getToken());
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
         mWindow->setFocusable(true);
         mMirror->setFocusable(true);
@@ -5581,9 +5670,10 @@
     void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFocusable(true);
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFocusable(true);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
@@ -5744,7 +5834,6 @@
     virtual void SetUp() override {
         InputDispatcherTest::SetUp();
         mTouchWindow = getWindow(TOUCHED_APP_UID, "Touched");
-        mDispatcher->setBlockUntrustedTouchesMode(android::os::BlockUntrustedTouchesMode::BLOCK);
         mDispatcher->setMaximumObscuringOpacityForTouch(MAXIMUM_OBSCURING_OPACITY);
     }
 
@@ -5765,7 +5854,7 @@
     sp<FakeWindowHandle> getWindow(int32_t uid, std::string name) {
         std::shared_ptr<FakeApplicationHandle> app = std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(app, mDispatcher, name, ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(app, mDispatcher, name, ADISPLAY_ID_DEFAULT);
         // Generate an arbitrary PID based on the UID
         window->setOwnerInfo(1777 + (uid % 10000), uid);
         return window;
@@ -6125,20 +6214,28 @@
     sp<FakeWindowHandle> mWindow;
     sp<FakeWindowHandle> mSecondWindow;
     sp<FakeWindowHandle> mDragWindow;
+    sp<FakeWindowHandle> mSpyWindow;
     // Mouse would force no-split, set the id as non-zero to verify if drag state could track it.
     static constexpr int32_t MOUSE_POINTER_ID = 1;
 
     void SetUp() override {
         InputDispatcherTest::SetUp();
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFrame(Rect(0, 0, 100, 100));
 
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFrame(Rect(100, 0, 200, 100));
 
+        mSpyWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "SpyWindow", ADISPLAY_ID_DEFAULT);
+        mSpyWindow->setSpy(true);
+        mSpyWindow->setTrustedOverlay(true);
+        mSpyWindow->setFrame(Rect(0, 0, 200, 100));
+
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
-        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mSpyWindow, mWindow, mSecondWindow}}});
     }
 
     void injectDown(int fromSource = AINPUT_SOURCE_TOUCHSCREEN) {
@@ -6179,6 +6276,8 @@
 
         // Window should receive motion event.
         mWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+        // Spy window should also receive motion event
+        mSpyWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
     }
 
     // Start performing drag, we will create a drag window and transfer touch to it.
@@ -6190,9 +6289,11 @@
         }
 
         // The drag window covers the entire display
-        mDragWindow = new FakeWindowHandle(mApp, mDispatcher, "DragWindow", ADISPLAY_ID_DEFAULT);
+        mDragWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "DragWindow", ADISPLAY_ID_DEFAULT);
+        mDragWindow->setTouchableRegion(Region{{0, 0, 0, 0}});
         mDispatcher->setInputWindows(
-                {{ADISPLAY_ID_DEFAULT, {mDragWindow, mWindow, mSecondWindow}}});
+                {{ADISPLAY_ID_DEFAULT, {mDragWindow, mSpyWindow, mWindow, mSecondWindow}}});
 
         // Transfer touch focus to the drag window
         bool transferred =
@@ -6244,6 +6345,30 @@
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherDragTests, DragEnterAndPointerDownPilfersPointers) {
+    startDrag();
+
+    // No cancel event after drag start
+    mSpyWindow->assertNoEvents();
+
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(60).y(60))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+
+    // Receives cancel for first pointer after next pointer down
+    mSpyWindow->consumeMotionCancel();
+    mSpyWindow->consumeMotionDown();
+
+    mSpyWindow->assertNoEvents();
+}
+
 TEST_F(InputDispatcherDragTests, DragAndDrop) {
     startDrag();
 
@@ -6450,7 +6575,7 @@
 
     // Update window of second display.
     sp<FakeWindowHandle> windowInSecondary =
-            new FakeWindowHandle(mApp, mDispatcher, "D_2", SECOND_DISPLAY_ID);
+            sp<FakeWindowHandle>::make(mApp, mDispatcher, "D_2", SECOND_DISPLAY_ID);
     mDispatcher->setInputWindows({{SECOND_DISPLAY_ID, {windowInSecondary}}});
 
     // Let second display has a touch state.
@@ -6550,8 +6675,8 @@
 
 TEST_F(InputDispatcherDropInputFeatureTest, WindowDropsInput) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInput(true);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocusable(true);
@@ -6589,14 +6714,14 @@
     std::shared_ptr<FakeApplicationHandle> obscuringApplication =
             std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> obscuringWindow =
-            new FakeWindowHandle(obscuringApplication, mDispatcher, "obscuringWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(obscuringApplication, mDispatcher, "obscuringWindow",
+                                       ADISPLAY_ID_DEFAULT);
     obscuringWindow->setFrame(Rect(0, 0, 50, 50));
     obscuringWindow->setOwnerInfo(111, 111);
     obscuringWindow->setTouchable(false);
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInputIfObscured(true);
     window->setOwnerInfo(222, 222);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -6635,14 +6760,14 @@
     std::shared_ptr<FakeApplicationHandle> obscuringApplication =
             std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> obscuringWindow =
-            new FakeWindowHandle(obscuringApplication, mDispatcher, "obscuringWindow",
-                                 ADISPLAY_ID_DEFAULT);
+            sp<FakeWindowHandle>::make(obscuringApplication, mDispatcher, "obscuringWindow",
+                                       ADISPLAY_ID_DEFAULT);
     obscuringWindow->setFrame(Rect(0, 0, 50, 50));
     obscuringWindow->setOwnerInfo(111, 111);
     obscuringWindow->setTouchable(false);
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
-    sp<FakeWindowHandle> window =
-            new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+    sp<FakeWindowHandle> window = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                             "Test window", ADISPLAY_ID_DEFAULT);
     window->setDropInputIfObscured(true);
     window->setOwnerInfo(222, 222);
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
@@ -6679,42 +6804,67 @@
 class InputDispatcherTouchModeChangedTests : public InputDispatcherTest {
 protected:
     std::shared_ptr<FakeApplicationHandle> mApp;
+    std::shared_ptr<FakeApplicationHandle> mSecondaryApp;
     sp<FakeWindowHandle> mWindow;
     sp<FakeWindowHandle> mSecondWindow;
+    sp<FakeWindowHandle> mThirdWindow;
 
     void SetUp() override {
         InputDispatcherTest::SetUp();
 
         mApp = std::make_shared<FakeApplicationHandle>();
-        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mSecondaryApp = std::make_shared<FakeApplicationHandle>();
+        mWindow = sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
         mWindow->setFocusable(true);
         setFocusedWindow(mWindow);
-        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow =
+                sp<FakeWindowHandle>::make(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
         mSecondWindow->setFocusable(true);
+        mThirdWindow =
+                sp<FakeWindowHandle>::make(mSecondaryApp, mDispatcher,
+                                           "TestWindow3_SecondaryDisplay", SECOND_DISPLAY_ID);
+        mThirdWindow->setFocusable(true);
 
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
-        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}},
+                                      {SECOND_DISPLAY_ID, {mThirdWindow}}});
+        mThirdWindow->setOwnerInfo(SECONDARY_WINDOW_PID, SECONDARY_WINDOW_UID);
         mWindow->consumeFocusEvent(true);
 
-        // Set initial touch mode to InputDispatcher::kDefaultInTouchMode.
+        // Set main display initial touch mode to InputDispatcher::kDefaultInTouchMode.
         if (mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, WINDOW_PID,
-                                        WINDOW_UID, /* hasPermission */ true)) {
+                                        WINDOW_UID, true /* hasPermission */,
+                                        ADISPLAY_ID_DEFAULT)) {
             mWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
             mSecondWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
+            mThirdWindow->assertNoEvents();
+        }
+
+        // Set secondary display initial touch mode to InputDispatcher::kDefaultInTouchMode.
+        if (mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, SECONDARY_WINDOW_PID,
+                                        SECONDARY_WINDOW_UID, true /* hasPermission */,
+                                        SECOND_DISPLAY_ID)) {
+            mWindow->assertNoEvents();
+            mSecondWindow->assertNoEvents();
+            mThirdWindow->consumeTouchModeEvent(InputDispatcher::kDefaultInTouchMode);
         }
     }
 
-    void changeAndVerifyTouchMode(bool inTouchMode, int32_t pid, int32_t uid, bool hasPermission) {
-        ASSERT_TRUE(mDispatcher->setInTouchMode(inTouchMode, pid, uid, hasPermission));
+    void changeAndVerifyTouchModeInMainDisplayOnly(bool inTouchMode, int32_t pid, int32_t uid,
+                                                   bool hasPermission) {
+        ASSERT_TRUE(mDispatcher->setInTouchMode(inTouchMode, pid, uid, hasPermission,
+                                                ADISPLAY_ID_DEFAULT));
         mWindow->consumeTouchModeEvent(inTouchMode);
         mSecondWindow->consumeTouchModeEvent(inTouchMode);
+        mThirdWindow->assertNoEvents();
     }
 };
 
 TEST_F(InputDispatcherTouchModeChangedTests, FocusedWindowCanChangeTouchMode) {
     const WindowInfo& windowInfo = *mWindow->getInfo();
-    changeAndVerifyTouchMode(!InputDispatcher::kDefaultInTouchMode, windowInfo.ownerPid,
-                             windowInfo.ownerUid, /* hasPermission */ false);
+    changeAndVerifyTouchModeInMainDisplayOnly(!InputDispatcher::kDefaultInTouchMode,
+                                              windowInfo.ownerPid, windowInfo.ownerUid,
+                                              false /*  hasPermission */);
 }
 
 TEST_F(InputDispatcherTouchModeChangedTests, NonFocusedWindowOwnerCannotChangeTouchMode) {
@@ -6723,7 +6873,8 @@
     int32_t ownerUid = windowInfo.ownerUid;
     mWindow->setOwnerInfo(/* pid */ -1, /* uid */ -1);
     ASSERT_FALSE(mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode, ownerPid,
-                                             ownerUid, /* hasPermission */ false));
+                                             ownerUid, false /*hasPermission*/,
+                                             ADISPLAY_ID_DEFAULT));
     mWindow->assertNoEvents();
     mSecondWindow->assertNoEvents();
 }
@@ -6733,19 +6884,29 @@
     int32_t ownerPid = windowInfo.ownerPid;
     int32_t ownerUid = windowInfo.ownerUid;
     mWindow->setOwnerInfo(/* pid */ -1, /* uid */ -1);
-    changeAndVerifyTouchMode(!InputDispatcher::kDefaultInTouchMode, ownerPid, ownerUid,
-                             /* hasPermission */ true);
+    changeAndVerifyTouchModeInMainDisplayOnly(!InputDispatcher::kDefaultInTouchMode, ownerPid,
+                                              ownerUid, true /*hasPermission*/);
 }
 
 TEST_F(InputDispatcherTouchModeChangedTests, EventIsNotGeneratedIfNotChangingTouchMode) {
     const WindowInfo& windowInfo = *mWindow->getInfo();
     ASSERT_FALSE(mDispatcher->setInTouchMode(InputDispatcher::kDefaultInTouchMode,
                                              windowInfo.ownerPid, windowInfo.ownerUid,
-                                             /* hasPermission */ true));
+                                             true /*hasPermission*/, ADISPLAY_ID_DEFAULT));
     mWindow->assertNoEvents();
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherTouchModeChangedTests, ChangeTouchOnSecondaryDisplayOnly) {
+    const WindowInfo& windowInfo = *mThirdWindow->getInfo();
+    ASSERT_TRUE(mDispatcher->setInTouchMode(!InputDispatcher::kDefaultInTouchMode,
+                                            windowInfo.ownerPid, windowInfo.ownerUid,
+                                            true /*hasPermission*/, SECOND_DISPLAY_ID));
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+    mThirdWindow->consumeTouchModeEvent(!InputDispatcher::kDefaultInTouchMode);
+}
+
 TEST_F(InputDispatcherTouchModeChangedTests, CanChangeTouchModeWhenOwningLastInteractedWindow) {
     // Interact with the window first.
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED, injectKeyDown(mDispatcher, ADISPLAY_ID_DEFAULT))
@@ -6760,7 +6921,7 @@
     const WindowInfo& windowInfo = *mWindow->getInfo();
     ASSERT_TRUE(mDispatcher->setInTouchMode(!InputDispatcher::kDefaultInTouchMode,
                                             windowInfo.ownerPid, windowInfo.ownerUid,
-                                            /* hasPermission= */ false));
+                                            false /*hasPermission*/, ADISPLAY_ID_DEFAULT));
 }
 
 class InputDispatcherSpyWindowTest : public InputDispatcherTest {
@@ -6770,8 +6931,8 @@
                 std::make_shared<FakeApplicationHandle>();
         std::string name = "Fake Spy ";
         name += std::to_string(mSpyCount++);
-        sp<FakeWindowHandle> spy =
-                new FakeWindowHandle(application, mDispatcher, name.c_str(), ADISPLAY_ID_DEFAULT);
+        sp<FakeWindowHandle> spy = sp<FakeWindowHandle>::make(application, mDispatcher,
+                                                              name.c_str(), ADISPLAY_ID_DEFAULT);
         spy->setSpy(true);
         spy->setTrustedOverlay(true);
         return spy;
@@ -6781,7 +6942,8 @@
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Fake Window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setFocusable(true);
         return window;
     }
@@ -6949,123 +7111,6 @@
 }
 
 /**
- * A spy window can pilfer pointers. When this happens, touch gestures that are currently sent to
- * any other windows - including other spy windows - will also be cancelled.
- */
-TEST_F(InputDispatcherSpyWindowTest, PilferPointers) {
-    auto window = createForeground();
-    auto spy1 = createSpy();
-    auto spy2 = createSpy();
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy1, spy2, window}}});
-
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    window->consumeMotionDown();
-    spy1->consumeMotionDown();
-    spy2->consumeMotionDown();
-
-    // Pilfer pointers from the second spy window.
-    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy2->getToken()));
-    spy2->assertNoEvents();
-    spy1->consumeMotionCancel();
-    window->consumeMotionCancel();
-
-    // The rest of the gesture should only be sent to the second spy window.
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
-                                ADISPLAY_ID_DEFAULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    spy2->consumeMotionMove();
-    spy1->assertNoEvents();
-    window->assertNoEvents();
-}
-
-/**
- * A spy window can pilfer pointers for a gesture even after the foreground window has been removed
- * in the middle of the gesture.
- */
-TEST_F(InputDispatcherSpyWindowTest, CanPilferAfterWindowIsRemovedMidStream) {
-    auto window = createForeground();
-    auto spy = createSpy();
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
-
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    spy->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-
-    window->releaseChannel();
-
-    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
-
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionUp(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    spy->consumeMotionUp(ADISPLAY_ID_DEFAULT);
-}
-
-/**
- * After a spy window pilfers pointers, new pointers that go down in its bounds should be sent to
- * the spy, but not to any other windows.
- */
-TEST_F(InputDispatcherSpyWindowTest, ContinuesToReceiveGestureAfterPilfer) {
-    auto spy = createSpy();
-    auto window = createForeground();
-
-    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
-
-    // First finger down on the window and the spy.
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
-                               {100, 200}))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-    spy->consumeMotionDown();
-    window->consumeMotionDown();
-
-    // Spy window pilfers the pointers.
-    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
-    window->consumeMotionCancel();
-
-    // Second finger down on the window and spy, but the window should not receive the pointer down.
-    const MotionEvent secondFingerDownEvent =
-            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
-                    .displayId(ADISPLAY_ID_DEFAULT)
-                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
-                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
-                                     .x(100)
-                                     .y(200))
-                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
-                    .build();
-    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
-                                InputEventInjectionSync::WAIT_FOR_RESULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-
-    spy->consumeMotionPointerDown(1 /*pointerIndex*/);
-
-    // Third finger goes down outside all windows, so injection should fail.
-    const MotionEvent thirdFingerDownEvent =
-            MotionEventBuilder(POINTER_2_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
-                    .displayId(ADISPLAY_ID_DEFAULT)
-                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
-                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
-                                     .x(100)
-                                     .y(200))
-                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
-                    .pointer(PointerBuilder(/* id */ 2, AMOTION_EVENT_TOOL_TYPE_FINGER).x(-5).y(-5))
-                    .build();
-    ASSERT_EQ(InputEventInjectionResult::FAILED,
-              injectMotionEvent(mDispatcher, thirdFingerDownEvent, INJECT_EVENT_TIMEOUT,
-                                InputEventInjectionSync::WAIT_FOR_RESULT))
-            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
-
-    spy->assertNoEvents();
-    window->assertNoEvents();
-}
-
-/**
  * Even when a spy window spans over multiple foreground windows, the spy should receive all
  * pointers that are down within its bounds.
  */
@@ -7199,14 +7244,285 @@
     spy->assertNoEvents();
 }
 
+using InputDispatcherPilferPointersTest = InputDispatcherSpyWindowTest;
+
+/**
+ * A spy window can pilfer pointers. When this happens, touch gestures used by the spy window that
+ * are currently sent to any other windows - including other spy windows - will also be cancelled.
+ */
+TEST_F(InputDispatcherPilferPointersTest, PilferPointers) {
+    auto window = createForeground();
+    auto spy1 = createSpy();
+    auto spy2 = createSpy();
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy1, spy2, window}}});
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    spy1->consumeMotionDown();
+    spy2->consumeMotionDown();
+
+    // Pilfer pointers from the second spy window.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy2->getToken()));
+    spy2->assertNoEvents();
+    spy1->consumeMotionCancel();
+    window->consumeMotionCancel();
+
+    // The rest of the gesture should only be sent to the second spy window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+                                ADISPLAY_ID_DEFAULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy2->consumeMotionMove();
+    spy1->assertNoEvents();
+    window->assertNoEvents();
+}
+
+/**
+ * A spy window can pilfer pointers for a gesture even after the foreground window has been removed
+ * in the middle of the gesture.
+ */
+TEST_F(InputDispatcherPilferPointersTest, CanPilferAfterWindowIsRemovedMidStream) {
+    auto window = createForeground();
+    auto spy = createSpy();
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    spy->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+
+    window->releaseChannel();
+
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionUp(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionUp(ADISPLAY_ID_DEFAULT);
+}
+
+/**
+ * After a spy window pilfers pointers, new pointers that go down in its bounds should be sent to
+ * the spy, but not to any other windows.
+ */
+TEST_F(InputDispatcherPilferPointersTest, ContinuesToReceiveGestureAfterPilfer) {
+    auto spy = createSpy();
+    auto window = createForeground();
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down on the window and the spy.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {100, 200}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionDown();
+    window->consumeMotionDown();
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionCancel();
+
+    // Second finger down on the window and spy, but the window should not receive the pointer down.
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(100)
+                                     .y(200))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+
+    spy->consumeMotionPointerDown(1 /*pointerIndex*/);
+
+    // Third finger goes down outside all windows, so injection should fail.
+    const MotionEvent thirdFingerDownEvent =
+            MotionEventBuilder(POINTER_2_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(100)
+                                     .y(200))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .pointer(PointerBuilder(/* id */ 2, AMOTION_EVENT_TOOL_TYPE_FINGER).x(-5).y(-5))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::FAILED,
+              injectMotionEvent(mDispatcher, thirdFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+
+    spy->assertNoEvents();
+    window->assertNoEvents();
+}
+
+/**
+ * After a spy window pilfers pointers, only the pointers used by the spy should be canceled
+ */
+TEST_F(InputDispatcherPilferPointersTest, PartiallyPilferRequiredPointers) {
+    auto spy = createSpy();
+    spy->setFrame(Rect(0, 0, 100, 100));
+    auto window = createForeground();
+    window->setFrame(Rect(0, 0, 200, 200));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down on the window only
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {150, 150}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+
+    // Second finger down on the spy and window
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionDown();
+    window->consumeMotionPointerDown(1);
+
+    // Third finger down on the spy and window
+    const MotionEvent thirdFingerDownEvent =
+            MotionEventBuilder(POINTER_2_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 2, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, thirdFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionPointerDown(1);
+    window->consumeMotionPointerDown(2);
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionPointerUp(/* idx */ 2, ADISPLAY_ID_DEFAULT, AMOTION_EVENT_FLAG_CANCELED);
+    window->consumeMotionPointerUp(/* idx */ 1, ADISPLAY_ID_DEFAULT, AMOTION_EVENT_FLAG_CANCELED);
+
+    spy->assertNoEvents();
+    window->assertNoEvents();
+}
+
+/**
+ * After a spy window pilfers pointers, all pilfered pointers that have already been dispatched to
+ * other windows should be canceled. If this results in the cancellation of all pointers for some
+ * window, then that window should receive ACTION_CANCEL.
+ */
+TEST_F(InputDispatcherPilferPointersTest, PilferAllRequiredPointers) {
+    auto spy = createSpy();
+    spy->setFrame(Rect(0, 0, 100, 100));
+    auto window = createForeground();
+    window->setFrame(Rect(0, 0, 200, 200));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down on both spy and window
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {10, 10}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    spy->consumeMotionDown();
+
+    // Second finger down on the spy and window
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    spy->consumeMotionPointerDown(1);
+    window->consumeMotionPointerDown(1);
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionCancel();
+
+    spy->assertNoEvents();
+    window->assertNoEvents();
+}
+
+/**
+ * After a spy window pilfers pointers, new pointers that are not touching the spy window can still
+ * be sent to other windows
+ */
+TEST_F(InputDispatcherPilferPointersTest, CanReceivePointersAfterPilfer) {
+    auto spy = createSpy();
+    spy->setFrame(Rect(0, 0, 100, 100));
+    auto window = createForeground();
+    window->setFrame(Rect(0, 0, 200, 200));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {spy, window}}});
+
+    // First finger down on both window and spy
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                               {10, 10}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    spy->consumeMotionDown();
+
+    // Spy window pilfers the pointers.
+    EXPECT_EQ(OK, mDispatcher->pilferPointers(spy->getToken()));
+    window->consumeMotionCancel();
+
+    // Second finger down on the window only
+    const MotionEvent secondFingerDownEvent =
+            MotionEventBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .displayId(ADISPLAY_ID_DEFAULT)
+                    .eventTime(systemTime(SYSTEM_TIME_MONOTONIC))
+                    .pointer(PointerBuilder(/* id */ 0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(10).y(10))
+                    .pointer(PointerBuilder(/* id */ 1, AMOTION_EVENT_TOOL_TYPE_FINGER)
+                                     .x(150)
+                                     .y(150))
+                    .build();
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, secondFingerDownEvent, INJECT_EVENT_TIMEOUT,
+                                InputEventInjectionSync::WAIT_FOR_RESULT))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    window->consumeMotionDown();
+    window->assertNoEvents();
+
+    // TODO(b/232530217): do not send the unnecessary MOVE event and delete the next line
+    spy->consumeMotionMove();
+    spy->assertNoEvents();
+}
+
 class InputDispatcherStylusInterceptorTest : public InputDispatcherTest {
 public:
     std::pair<sp<FakeWindowHandle>, sp<FakeWindowHandle>> setupStylusOverlayScenario() {
         std::shared_ptr<FakeApplicationHandle> overlayApplication =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> overlay =
-                new FakeWindowHandle(overlayApplication, mDispatcher, "Stylus interceptor window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(overlayApplication, mDispatcher,
+                                           "Stylus interceptor window", ADISPLAY_ID_DEFAULT);
         overlay->setFocusable(false);
         overlay->setOwnerInfo(111, 111);
         overlay->setTouchable(false);
@@ -7216,8 +7532,8 @@
         std::shared_ptr<FakeApplicationHandle> application =
                 std::make_shared<FakeApplicationHandle>();
         sp<FakeWindowHandle> window =
-                new FakeWindowHandle(application, mDispatcher, "Application window",
-                                     ADISPLAY_ID_DEFAULT);
+                sp<FakeWindowHandle>::make(application, mDispatcher, "Application window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setFocusable(true);
         window->setOwnerInfo(222, 222);
 
@@ -7357,8 +7673,9 @@
     sp<FakeWindowHandle> createWindow() const {
         std::shared_ptr<FakeApplicationHandle> overlayApplication =
                 std::make_shared<FakeApplicationHandle>();
-        sp<FakeWindowHandle> window = new FakeWindowHandle(overlayApplication, mDispatcher,
-                                                           "Owned Window", ADISPLAY_ID_DEFAULT);
+        sp<FakeWindowHandle> window =
+                sp<FakeWindowHandle>::make(overlayApplication, mDispatcher, "Owned Window",
+                                           ADISPLAY_ID_DEFAULT);
         window->setOwnerInfo(mPid, mUid);
         return window;
     }
diff --git a/services/inputflinger/tests/InputFlingerService_test.cpp b/services/inputflinger/tests/InputFlingerService_test.cpp
index 454e531..ca548be 100644
--- a/services/inputflinger/tests/InputFlingerService_test.cpp
+++ b/services/inputflinger/tests/InputFlingerService_test.cpp
@@ -33,8 +33,6 @@
 #include <inttypes.h>
 #include <linux/uinput.h>
 #include <log/log.h>
-#include <ui/Rect.h>
-#include <ui/Region.h>
 #include <chrono>
 #include <thread>
 #include <unordered_map>
@@ -223,8 +221,10 @@
 
     if (forkPid == 0) {
         // Server process
-        android::sp<android::TestInputManager> manager = new android::TestInputManager();
-        android::sp<android::TestInputQuery> query = new android::TestInputQuery(manager);
+        android::sp<android::TestInputManager> manager =
+                android::sp<android::TestInputManager>::make();
+        android::sp<android::TestInputQuery> query =
+                android::sp<android::TestInputQuery>::make(manager);
 
         android::defaultServiceManager()->addService(android::kTestServiceName, manager,
                                                      false /*allowIsolated*/);
diff --git a/services/inputflinger/tests/InputClassifierConverter_test.cpp b/services/inputflinger/tests/InputProcessorConverter_test.cpp
similarity index 93%
rename from services/inputflinger/tests/InputClassifierConverter_test.cpp
rename to services/inputflinger/tests/InputProcessorConverter_test.cpp
index 81ef9b9..040c8da 100644
--- a/services/inputflinger/tests/InputClassifierConverter_test.cpp
+++ b/services/inputflinger/tests/InputProcessorConverter_test.cpp
@@ -24,7 +24,7 @@
 
 namespace android {
 
-// --- InputClassifierConverterTest ---
+// --- InputProcessorConverterTest ---
 
 static NotifyMotionArgs generateBasicMotionArgs() {
     // Create a basic motion event for testing
@@ -52,7 +52,7 @@
 
 static float getMotionEventAxis(common::PointerCoords coords, common::Axis axis) {
     uint32_t index = BitSet64::getIndexOfBit(static_cast<uint64_t>(coords.bits),
-            static_cast<uint64_t>(axis));
+                                             static_cast<uint64_t>(axis));
     return coords.values[index];
 }
 
@@ -60,7 +60,7 @@
  * Check that coordinates get converted properly from the framework's PointerCoords
  * to the hidl PointerCoords in input::common.
  */
-TEST(InputClassifierConverterTest, PointerCoordsAxes) {
+TEST(InputProcessorConverterTest, PointerCoordsAxes) {
     const NotifyMotionArgs motionArgs = generateBasicMotionArgs();
     ASSERT_EQ(1, motionArgs.pointerCoords[0].getX());
     ASSERT_EQ(2, motionArgs.pointerCoords[0].getY());
@@ -76,7 +76,7 @@
     ASSERT_EQ(getMotionEventAxis(motionEvent.pointerCoords[0], common::Axis::SIZE),
               motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_SIZE));
     ASSERT_EQ(BitSet64::count(motionArgs.pointerCoords[0].bits),
-            BitSet64::count(motionEvent.pointerCoords[0].bits));
+              BitSet64::count(motionEvent.pointerCoords[0].bits));
 }
 
 } // namespace android
diff --git a/services/inputflinger/tests/InputClassifier_test.cpp b/services/inputflinger/tests/InputProcessor_test.cpp
similarity index 75%
rename from services/inputflinger/tests/InputClassifier_test.cpp
rename to services/inputflinger/tests/InputProcessor_test.cpp
index 3a77127..380001c 100644
--- a/services/inputflinger/tests/InputClassifier_test.cpp
+++ b/services/inputflinger/tests/InputProcessor_test.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "../InputClassifier.h"
+#include "../InputProcessor.h"
 #include <gtest/gtest.h>
 #include <gui/constants.h>
 
@@ -31,7 +31,7 @@
 
 namespace android {
 
-// --- InputClassifierTest ---
+// --- InputProcessorTest ---
 
 static NotifyMotionArgs generateBasicMotionArgs() {
     // Create a basic motion event for testing
@@ -56,105 +56,104 @@
     return motionArgs;
 }
 
-class InputClassifierTest : public testing::Test {
+class InputProcessorTest : public testing::Test {
 protected:
     TestInputListener mTestListener;
-    std::unique_ptr<InputClassifierInterface> mClassifier;
+    std::unique_ptr<InputProcessorInterface> mProcessor;
 
-    void SetUp() override { mClassifier = std::make_unique<InputClassifier>(mTestListener); }
+    void SetUp() override { mProcessor = std::make_unique<InputProcessor>(mTestListener); }
 };
 
 /**
- * Create a basic configuration change and send it to input classifier.
+ * Create a basic configuration change and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyConfigurationChangedArgs) {
-    // Create a basic configuration change and send to classifier
-    NotifyConfigurationChangedArgs args(1/*sequenceNum*/, 2/*eventTime*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifyConfigurationChangedArgs) {
+    // Create a basic configuration change and send to processor
+    NotifyConfigurationChangedArgs args(1 /*sequenceNum*/, 2 /*eventTime*/);
 
-    mClassifier->notifyConfigurationChanged(&args);
+    mProcessor->notifyConfigurationChanged(&args);
     NotifyConfigurationChangedArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyConfigurationChangedWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-TEST_F(InputClassifierTest, SendToNextStage_NotifyKeyArgs) {
-    // Create a basic key event and send to classifier
+TEST_F(InputProcessorTest, SendToNextStage_NotifyKeyArgs) {
+    // Create a basic key event and send to processor
     NotifyKeyArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 21 /*readTime*/, 3 /*deviceId*/,
                        AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, 0 /*policyFlags*/,
                        AKEY_EVENT_ACTION_DOWN, 4 /*flags*/, AKEYCODE_HOME, 5 /*scanCode*/,
                        AMETA_NONE, 6 /*downTime*/);
 
-    mClassifier->notifyKey(&args);
+    mProcessor->notifyKey(&args);
     NotifyKeyArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyKeyWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-
 /**
- * Create a basic motion event and send it to input classifier.
+ * Create a basic motion event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyMotionArgs) {
+TEST_F(InputProcessorTest, SendToNextStage_NotifyMotionArgs) {
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
-    mClassifier->notifyMotion(&motionArgs);
+    mProcessor->notifyMotion(&motionArgs);
     NotifyMotionArgs args;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyMotionWasCalled(&args));
     ASSERT_EQ(motionArgs, args);
 }
 
 /**
- * Create a basic switch event and send it to input classifier.
+ * Create a basic switch event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifySwitchArgs) {
-    NotifySwitchArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*policyFlags*/, 4/*switchValues*/,
-            5/*switchMask*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifySwitchArgs) {
+    NotifySwitchArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*policyFlags*/, 4 /*switchValues*/,
+                          5 /*switchMask*/);
 
-    mClassifier->notifySwitch(&args);
+    mProcessor->notifySwitch(&args);
     NotifySwitchArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifySwitchWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
 /**
- * Create a basic device reset event and send it to input classifier.
+ * Create a basic device reset event and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
-TEST_F(InputClassifierTest, SendToNextStage_NotifyDeviceResetArgs) {
-    NotifyDeviceResetArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*deviceId*/);
+TEST_F(InputProcessorTest, SendToNextStage_NotifyDeviceResetArgs) {
+    NotifyDeviceResetArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*deviceId*/);
 
-    mClassifier->notifyDeviceReset(&args);
+    mProcessor->notifyDeviceReset(&args);
     NotifyDeviceResetArgs outArgs;
     ASSERT_NO_FATAL_FAILURE(mTestListener.assertNotifyDeviceResetWasCalled(&outArgs));
     ASSERT_EQ(args, outArgs);
 }
 
-TEST_F(InputClassifierTest, SetMotionClassifier_Enabled) {
-    mClassifier->setMotionClassifierEnabled(true);
+TEST_F(InputProcessorTest, SetMotionClassifier_Enabled) {
+    mProcessor->setMotionClassifierEnabled(true);
 }
 
-TEST_F(InputClassifierTest, SetMotionClassifier_Disabled) {
-    mClassifier->setMotionClassifierEnabled(false);
+TEST_F(InputProcessorTest, SetMotionClassifier_Disabled) {
+    mProcessor->setMotionClassifierEnabled(false);
 }
 
 /**
  * Try to break it by calling setMotionClassifierEnabled multiple times.
  */
-TEST_F(InputClassifierTest, SetMotionClassifier_Multiple) {
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(false);
-    mClassifier->setMotionClassifierEnabled(false);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
-    mClassifier->setMotionClassifierEnabled(true);
+TEST_F(InputProcessorTest, SetMotionClassifier_Multiple) {
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(false);
+    mProcessor->setMotionClassifierEnabled(false);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
+    mProcessor->setMotionClassifierEnabled(true);
 }
 
 /**
- * A minimal implementation of IInputClassifier.
+ * A minimal implementation of IInputProcessor.
  */
 class TestHal : public aidl::android::hardware::input::processor::BnInputProcessor {
     ::ndk::ScopedAStatus classify(
@@ -212,7 +211,7 @@
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
 
     std::vector<int16_t> videoData = {1, 2, 3, 4};
-    timeval timestamp = { 1, 1};
+    timeval timestamp = {1, 1};
     TouchVideoFrame frame(2, 2, std::move(videoData), timestamp);
     motionArgs.videoFrames = {frame};
 
@@ -228,11 +227,11 @@
     NotifyMotionArgs motionArgs = generateBasicMotionArgs();
 
     std::vector<int16_t> videoData1 = {1, 2, 3, 4};
-    timeval timestamp1 = { 1, 1};
+    timeval timestamp1 = {1, 1};
     TouchVideoFrame frame1(2, 2, std::move(videoData1), timestamp1);
 
     std::vector<int16_t> videoData2 = {6, 6, 6, 6};
-    timeval timestamp2 = { 1, 2};
+    timeval timestamp2 = {1, 2};
     TouchVideoFrame frame2(2, 2, std::move(videoData2), timestamp2);
 
     motionArgs.videoFrames = {frame1, frame2};
@@ -253,7 +252,7 @@
  * Make sure MotionClassifier does not crash when a device is reset.
  */
 TEST_F(MotionClassifierTest, DeviceReset_DoesNotCrash) {
-    NotifyDeviceResetArgs args(1/*sequenceNum*/, 2/*eventTime*/, 3/*deviceId*/);
+    NotifyDeviceResetArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 3 /*deviceId*/);
     ASSERT_NO_FATAL_FAILURE(mMotionClassifier->reset(args));
 }
 
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 3afa52c..dded6a1 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -31,6 +31,7 @@
 #include <SingleTouchInputMapper.h>
 #include <SwitchInputMapper.h>
 #include <TestInputListener.h>
+#include <TestInputListenerMatchers.h>
 #include <TouchInputMapper.h>
 #include <UinputDevice.h>
 #include <VibratorInputMapper.h>
@@ -38,13 +39,16 @@
 #include <gtest/gtest.h>
 #include <gui/constants.h>
 
+#include "android/hardware/input/InputDeviceCountryCode.h"
 #include "input/DisplayViewport.h"
 #include "input/Input.h"
 
+using android::hardware::input::InputDeviceCountryCode;
+
 namespace android {
 
 using namespace ftl::flag_operators;
-
+using testing::AllOf;
 using std::chrono_literals::operator""ms;
 
 // Timeout for waiting for an expected event
@@ -77,6 +81,7 @@
 static constexpr int32_t DEFAULT_BATTERY = 1;
 static constexpr int32_t BATTERY_STATUS = 4;
 static constexpr int32_t BATTERY_CAPACITY = 66;
+static const std::string BATTERY_DEVPATH = "/sys/devices/mydevice/power_supply/mybattery";
 static constexpr int32_t LIGHT_BRIGHTNESS = 0x55000000;
 static constexpr int32_t LIGHT_COLOR = 0x7F448866;
 static constexpr int32_t LIGHT_PLAYER_ID = 2;
@@ -93,24 +98,6 @@
 // Error tolerance for floating point assertions.
 static const float EPSILON = 0.001f;
 
-using ::testing::AllOf;
-
-MATCHER_P(WithAction, action, "InputEvent with specified action") {
-    return arg.action == action;
-}
-
-MATCHER_P(WithSource, source, "InputEvent with specified source") {
-    return arg.source == source;
-}
-
-MATCHER_P(WithDisplayId, displayId, "InputEvent with specified displayId") {
-    return arg.displayId == displayId;
-}
-
-MATCHER_P2(WithCoords, x, y, "MotionEvent with specified action") {
-    return arg.pointerCoords[0].getX() == x && arg.pointerCoords[0].getY();
-}
-
 template<typename T>
 static inline T min(T a, T b) {
     return a < b ? a : b;
@@ -393,8 +380,12 @@
         mConfig.defaultPointerDisplayId = pointerDisplayId;
     }
 
+    void setPointerGestureEnabled(bool enabled) { mConfig.pointerGesturesEnabled = enabled; }
+
     float getPointerGestureMovementSpeedRatio() { return mConfig.pointerGestureMovementSpeedRatio; }
 
+    float getPointerGestureZoomSpeedRatio() { return mConfig.pointerGestureZoomSpeedRatio; }
+
     void setVelocityControlParams(const VelocityControlParameters& params) {
         mConfig.pointerVelocityControlParameters = params;
         mConfig.wheelVelocityControlParameters = params;
@@ -471,6 +462,7 @@
         BitArray<MSC_MAX> mscBitmask;
         std::vector<VirtualKeyDefinition> virtualKeys;
         bool enabled;
+        InputDeviceCountryCode countryCode;
 
         status_t enable() {
             enabled = true;
@@ -525,7 +517,7 @@
         enqueueEvent(ARBITRARY_TIME, READ_TIME, deviceId, EventHubInterface::DEVICE_REMOVED, 0, 0);
     }
 
-    bool isDeviceEnabled(int32_t deviceId) {
+    bool isDeviceEnabled(int32_t deviceId) const override {
         Device* device = getDevice(deviceId);
         if (device == nullptr) {
             ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
@@ -534,7 +526,7 @@
         return device->enabled;
     }
 
-    status_t enableDevice(int32_t deviceId) {
+    status_t enableDevice(int32_t deviceId) override {
         status_t result;
         Device* device = getDevice(deviceId);
         if (device == nullptr) {
@@ -549,7 +541,7 @@
         return result;
     }
 
-    status_t disableDevice(int32_t deviceId) {
+    status_t disableDevice(int32_t deviceId) override {
         Device* device = getDevice(deviceId);
         if (device == nullptr) {
             ALOGE("Incorrect device id=%" PRId32 " provided to %s", deviceId, __func__);
@@ -566,7 +558,7 @@
         enqueueEvent(ARBITRARY_TIME, READ_TIME, 0, EventHubInterface::FINISHED_DEVICE_SCAN, 0, 0);
     }
 
-    void addConfigurationProperty(int32_t deviceId, const String8& key, const String8& value) {
+    void addConfigurationProperty(int32_t deviceId, const char* key, const char* value) {
         Device* device = getDevice(deviceId);
         device->configuration.addProperty(key, value);
     }
@@ -600,6 +592,11 @@
         device->keyCodeStates.replaceValueFor(keyCode, state);
     }
 
+    void setCountryCode(int32_t deviceId, InputDeviceCountryCode countryCode) {
+        Device* device = getDevice(deviceId);
+        device->countryCode = countryCode;
+    }
+
     void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state) {
         Device* device = getDevice(deviceId);
         device->scanCodeStates.replaceValueFor(scanCode, state);
@@ -811,8 +808,8 @@
 
     status_t mapAxis(int32_t, int32_t, AxisInfo*) const override { return NAME_NOT_FOUND; }
 
-    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
-                                                                      int32_t absCode) {
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const override {
         Device* device = getDevice(deviceId);
         if (!device) {
             return Errorf("Sensor device not found.");
@@ -829,15 +826,14 @@
         mExcludedDevices = devices;
     }
 
-    size_t getEvents(int, RawEvent* buffer, size_t bufferSize) override {
+    std::vector<RawEvent> getEvents(int) override {
         std::scoped_lock lock(mLock);
 
-        const size_t filledSize = std::min(mEvents.size(), bufferSize);
-        std::copy(mEvents.begin(), mEvents.begin() + filledSize, buffer);
+        std::vector<RawEvent> buffer;
+        std::swap(buffer, mEvents);
 
-        mEvents.erase(mEvents.begin(), mEvents.begin() + filledSize);
         mEventsCondition.notify_all();
-        return filledSize;
+        return buffer;
     }
 
     std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override {
@@ -861,6 +857,14 @@
         return AKEY_STATE_UNKNOWN;
     }
 
+    InputDeviceCountryCode getCountryCode(int32_t deviceId) const override {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            return device->countryCode;
+        }
+        return InputDeviceCountryCode::INVALID;
+    }
+
     int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override {
         Device* device = getDevice(deviceId);
         if (device) {
@@ -907,13 +911,13 @@
     }
 
     // Return true if the device has non-empty key layout.
-    bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) const override {
         bool result = false;
         Device* device = getDevice(deviceId);
         if (device) {
             result = device->keysByScanCode.size() > 0 || device->keysByUsageCode.size() > 0;
-            for (size_t i = 0; i < numCodes; i++) {
+            for (size_t i = 0; i < keyCodes.size(); i++) {
                 for (size_t j = 0; j < device->keysByScanCode.size(); j++) {
                     if (keyCodes[i] == device->keysByScanCode.valueAt(j).keyCode) {
                         outFlags[i] = 1;
@@ -997,7 +1001,7 @@
 
     void cancelVibrate(int32_t) override {}
 
-    std::vector<int32_t> getVibratorIds(int32_t deviceId) override { return mVibrators; };
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override { return mVibrators; };
 
     std::optional<int32_t> getBatteryCapacity(int32_t, int32_t) const override {
         return BATTERY_CAPACITY;
@@ -1007,15 +1011,21 @@
         return BATTERY_STATUS;
     }
 
-    const std::vector<int32_t> getRawBatteryIds(int32_t deviceId) override {
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override {
         return {DEFAULT_BATTERY};
     }
 
-    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId, int32_t batteryId) {
-        return std::nullopt;
+    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
+                                                    int32_t batteryId) const override {
+        if (batteryId != DEFAULT_BATTERY) return {};
+        static const auto BATTERY_INFO = RawBatteryInfo{.id = DEFAULT_BATTERY,
+                                                        .name = "default battery",
+                                                        .flags = InputBatteryClass::CAPACITY,
+                                                        .path = BATTERY_DEVPATH};
+        return BATTERY_INFO;
     }
 
-    const std::vector<int32_t> getRawLightIds(int32_t deviceId) override {
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override {
         std::vector<int32_t> ids;
         for (const auto& [rawId, info] : mRawLightInfos) {
             ids.push_back(rawId);
@@ -1023,7 +1033,7 @@
         return ids;
     }
 
-    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) override {
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override {
         auto it = mRawLightInfos.find(lightId);
         if (it == mRawLightInfos.end()) {
             return std::nullopt;
@@ -1040,7 +1050,7 @@
         mLightIntensities.emplace(lightId, intensities);
     };
 
-    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) override {
+    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override {
         auto lightIt = mLightBrightness.find(lightId);
         if (lightIt == mLightBrightness.end()) {
             return std::nullopt;
@@ -1049,7 +1059,7 @@
     }
 
     std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
-            int32_t deviceId, int32_t lightId) override {
+            int32_t deviceId, int32_t lightId) const override {
         auto lightIt = mLightIntensities.find(lightId);
         if (lightIt == mLightIntensities.end()) {
             return std::nullopt;
@@ -1057,13 +1067,9 @@
         return lightIt->second;
     };
 
-    virtual bool isExternal(int32_t) const {
-        return false;
-    }
+    void dump(std::string&) const override {}
 
-    void dump(std::string&) override {}
-
-    void monitor() override {}
+    void monitor() const override {}
 
     void requestReopenDevices() override {}
 
@@ -1184,7 +1190,8 @@
         }
     }
 
-    void configure(nsecs_t, const InputReaderConfiguration* config, uint32_t changes) override {
+    std::list<NotifyArgs> configure(nsecs_t, const InputReaderConfiguration* config,
+                                    uint32_t changes) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mConfigureWasCalled = true;
 
@@ -1195,19 +1202,22 @@
         }
 
         mStateChangedCondition.notify_all();
+        return {};
     }
 
-    void reset(nsecs_t) override {
+    std::list<NotifyArgs> reset(nsecs_t) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mResetWasCalled = true;
         mStateChangedCondition.notify_all();
+        return {};
     }
 
-    void process(const RawEvent* rawEvent) override {
+    std::list<NotifyArgs> process(const RawEvent* rawEvent) override {
         std::scoped_lock<std::mutex> lock(mLock);
         mLastEvent = *rawEvent;
         mProcessWasCalled = true;
         mStateChangedCondition.notify_all();
+        return {};
     }
 
     int32_t getKeyCodeState(uint32_t, int32_t keyCode) override {
@@ -1231,9 +1241,9 @@
     }
 
     // Return true if the device has non-empty key layout.
-    bool markSupportedKeyCodes(uint32_t, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) override {
-        for (size_t i = 0; i < numCodes; i++) {
+        for (size_t i = 0; i < keyCodes.size(); i++) {
             for (size_t j = 0; j < mSupportedKeyCodes.size(); j++) {
                 if (keyCodes[i] == mSupportedKeyCodes[j]) {
                     outFlags[i] = 1;
@@ -1350,7 +1360,7 @@
 protected:
     sp<FakeInputReaderPolicy> mFakePolicy;
 
-    void SetUp() override { mFakePolicy = new FakeInputReaderPolicy(); }
+    void SetUp() override { mFakePolicy = sp<FakeInputReaderPolicy>::make(); }
     void TearDown() override { mFakePolicy.clear(); }
 };
 
@@ -1588,7 +1598,7 @@
 
     void SetUp() override {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
 
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
@@ -1877,34 +1887,37 @@
     mapper.addSupportedKeyCode(AKEYCODE_A);
     mapper.addSupportedKeyCode(AKEYCODE_B);
 
-    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2};
     uint8_t flags[4] = { 0, 0, 0, 1 };
 
-    ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, 4, keyCodes, flags))
+    ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, keyCodes, flags))
             << "Should return false when device id is >= 0 but unknown.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_FALSE(mReader->hasKeys(deviceId, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+    ASSERT_FALSE(mReader->hasKeys(deviceId, AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
             << "Should return false when device id is valid but the sources are not supported by "
                "the device.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_TRUE(mReader->hasKeys(deviceId, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4,
+    ASSERT_TRUE(mReader->hasKeys(deviceId, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL,
                                  keyCodes, flags))
             << "Should return value provided by mapper when device id is valid and the device "
                "supports some of the sources.";
     ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
-            << "Should return false when the device id is < 0 but the sources are not supported by any device.";
+    ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
+            << "Should return false when the device id is < 0 but the sources are not supported by "
+               "any device.";
     ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
 
     flags[3] = 1;
-    ASSERT_TRUE(mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
-            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+    ASSERT_TRUE(
+            mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
+            << "Should return value provided by mapper when device id is < 0 and one of the "
+               "devices supports some of the sources.";
     ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
 }
 
@@ -2231,6 +2244,21 @@
     ASSERT_EQ(mReader->getBatteryStatus(deviceId), BATTERY_STATUS);
 }
 
+TEST_F(InputReaderTest, BatteryGetDevicePath) {
+    constexpr int32_t deviceId = END_RESERVED_ID + 1000;
+    ftl::Flags<InputDeviceClass> deviceClass =
+            InputDeviceClass::KEYBOARD | InputDeviceClass::BATTERY;
+    constexpr int32_t eventHubId = 1;
+    const char* DEVICE_LOCATION = "BLUETOOTH";
+    std::shared_ptr<InputDevice> device = mReader->newDevice(deviceId, "fake", DEVICE_LOCATION);
+    device->addController<FakePeripheralController>(eventHubId);
+    mReader->pushNextDevice(device);
+
+    ASSERT_NO_FATAL_FAILURE(addDevice(eventHubId, "fake", deviceClass, nullptr));
+
+    ASSERT_EQ(mReader->getBatteryDevicePath(deviceId), BATTERY_DEVPATH);
+}
+
 TEST_F(InputReaderTest, LightGetColor) {
     constexpr int32_t deviceId = END_RESERVED_ID + 1000;
     ftl::Flags<InputDeviceClass> deviceClass = InputDeviceClass::KEYBOARD | InputDeviceClass::LIGHT;
@@ -2272,7 +2300,7 @@
     std::shared_ptr<FakePointerController> mFakePointerController;
 
     void SetUp() override {
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakePointerController = std::make_shared<FakePointerController>();
         mFakePolicy->setPointerController(mFakePointerController);
         mTestListener = std::make_unique<TestInputListener>(2000ms /*eventHappenedTimeout*/,
@@ -2671,7 +2699,7 @@
 
     void SetUp() override {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
                                                             *mFakeListener);
@@ -2706,6 +2734,17 @@
     ASSERT_EQ(ftl::Flags<InputDeviceClass>(0), mDevice->getClasses());
 }
 
+TEST_F(InputDeviceTest, CountryCodeCorrectlyMapped) {
+    mFakeEventHub->setCountryCode(EVENTHUB_ID, InputDeviceCountryCode::INTERNATIONAL);
+
+    // Configuration
+    mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
+    InputReaderConfiguration config;
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
+
+    ASSERT_EQ(InputDeviceCountryCode::INTERNATIONAL, mDevice->getDeviceInfo().getCountryCode());
+}
+
 TEST_F(InputDeviceTest, WhenDeviceCreated_EnabledIsFalse) {
     ASSERT_EQ(mDevice->isEnabled(), false);
 }
@@ -2713,10 +2752,10 @@
 TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
     // Configuration.
     InputReaderConfiguration config;
-    mDevice->configure(ARBITRARY_TIME, &config, 0);
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
 
     // Reset.
-    mDevice->reset(ARBITRARY_TIME);
+    unused += mDevice->reset(ARBITRARY_TIME);
 
     NotifyDeviceResetArgs resetArgs;
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
@@ -2743,9 +2782,9 @@
     ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 0))
             << "Ignored device should return unknown switch state.";
 
-    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B};
     uint8_t flags[2] = { 0, 1 };
-    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 2, keyCodes, flags))
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, keyCodes, flags))
             << "Ignored device should never mark any key codes.";
     ASSERT_EQ(0, flags[0]) << "Flag for unsupported key should be unchanged.";
     ASSERT_EQ(1, flags[1]) << "Flag for unsupported key should be unchanged.";
@@ -2753,7 +2792,7 @@
 
 TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRequestsToMappers) {
     // Configuration.
-    mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, String8("key"), String8("value"));
+    mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, "key", "value");
 
     FakeInputMapper& mapper1 =
             mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
@@ -2772,18 +2811,18 @@
     mapper2.setMetaState(AMETA_SHIFT_ON);
 
     InputReaderConfiguration config;
-    mDevice->configure(ARBITRARY_TIME, &config, 0);
+    std::list<NotifyArgs> unused = mDevice->configure(ARBITRARY_TIME, &config, 0);
 
-    String8 propertyValue;
-    ASSERT_TRUE(mDevice->getConfiguration().tryGetProperty(String8("key"), propertyValue))
+    std::string propertyValue;
+    ASSERT_TRUE(mDevice->getConfiguration().tryGetProperty("key", propertyValue))
             << "Device should have read configuration during configuration phase.";
-    ASSERT_STREQ("value", propertyValue.string());
+    ASSERT_EQ("value", propertyValue);
 
     ASSERT_NO_FATAL_FAILURE(mapper1.assertConfigureWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertConfigureWasCalled());
 
     // Reset
-    mDevice->reset(ARBITRARY_TIME);
+    unused += mDevice->reset(ARBITRARY_TIME);
     ASSERT_NO_FATAL_FAILURE(mapper1.assertResetWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertResetWasCalled());
 
@@ -2820,16 +2859,16 @@
     ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 4))
             << "Should query mapper when source is supported.";
 
-    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    const std::vector<int32_t> keyCodes{AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2};
     uint8_t flags[4] = { 0, 0, 0, 1 };
-    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, keyCodes, flags))
             << "Should do nothing when source is unsupported.";
     ASSERT_EQ(0, flags[0]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(0, flags[1]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(0, flags[2]) << "Flag should be unchanged when source is unsupported.";
     ASSERT_EQ(1, flags[3]) << "Flag should be unchanged when source is unsupported.";
 
-    ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 4, keyCodes, flags))
+    ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, keyCodes, flags))
             << "Should query mapper when source is supported.";
     ASSERT_EQ(1, flags[0]) << "Flag for supported key should be set.";
     ASSERT_EQ(1, flags[1]) << "Flag for supported key should be set.";
@@ -2839,7 +2878,7 @@
     // Event handling.
     RawEvent event;
     event.deviceId = EVENTHUB_ID;
-    mDevice->process(&event, 1);
+    unused += mDevice->process(&event, 1);
 
     ASSERT_NO_FATAL_FAILURE(mapper1.assertProcessWasCalled());
     ASSERT_NO_FATAL_FAILURE(mapper2.assertProcessWasCalled());
@@ -2852,7 +2891,8 @@
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_TOUCHSCREEN);
 
     // First Configuration.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
 
     // Device should be enabled by default.
     ASSERT_TRUE(mDevice->isEnabled());
@@ -2862,8 +2902,8 @@
     const std::string UNIQUE_ID = "local:1";
 
     mFakePolicy->addInputPortAssociation(DEVICE_LOCATION, hdmi);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     // Device should be disabled because it is associated with a specific display via
     // input port <-> display port association, but the corresponding display is not found
     ASSERT_FALSE(mDevice->isEnabled());
@@ -2872,19 +2912,19 @@
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
                                     DISPLAY_ORIENTATION_0, true /*isActive*/, UNIQUE_ID, hdmi,
                                     ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled after set disable.
     mFakePolicy->addDisabledDevice(mDevice->getId());
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_ENABLED_STATE);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_ENABLED_STATE);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should still be disabled even found the associated display.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 }
 
@@ -2892,47 +2932,49 @@
     // Device should be enabled by default.
     mFakePolicy->clearViewports();
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled because it is associated with a specific display, but the
     // corresponding display is not found.
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, DISPLAY_UNIQUE_ID);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should be enabled when a display is found.
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
                                     DISPLAY_ORIENTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
                                     NO_PORT, ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_TRUE(mDevice->isEnabled());
 
     // Device should be disabled after set disable.
     mFakePolicy->addDisabledDevice(mDevice->getId());
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_ENABLED_STATE);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_ENABLED_STATE);
     ASSERT_FALSE(mDevice->isEnabled());
 
     // Device should still be disabled even found the associated display.
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(mDevice->isEnabled());
 }
 
 TEST_F(InputDeviceTest, Configure_UniqueId_CorrectlyMatches) {
     mFakePolicy->clearViewports();
     mDevice->addMapper<FakeInputMapper>(EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
+    std::list<NotifyArgs> unused =
+            mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0);
 
     mFakePolicy->addInputUniqueIdAssociation(DEVICE_LOCATION, DISPLAY_UNIQUE_ID);
     mFakePolicy->addDisplayViewport(SECONDARY_DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT,
                                     DISPLAY_ORIENTATION_0, /* isActive= */ true, DISPLAY_UNIQUE_ID,
                                     NO_PORT, ViewportType::INTERNAL);
-    mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_EQ(DISPLAY_UNIQUE_ID, mDevice->getAssociatedDisplayUniqueId());
 }
 
@@ -2971,7 +3013,7 @@
 
     virtual void SetUp(ftl::Flags<InputDeviceClass> classes) {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
                                                             *mFakeListener);
@@ -2990,10 +3032,10 @@
     }
 
     void addConfigurationProperty(const char* key, const char* value) {
-        mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, String8(key), String8(value));
+        mFakeEventHub->addConfigurationProperty(EVENTHUB_ID, key, value);
     }
 
-    void configureDevice(uint32_t changes) {
+    std::list<NotifyArgs> configureDevice(uint32_t changes) {
         if (!changes ||
             (changes &
              (InputReaderConfiguration::CHANGE_DISPLAY_INFO |
@@ -3001,9 +3043,14 @@
             mReader->requestRefreshConfiguration(changes);
             mReader->loopOnce();
         }
-        mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
+        std::list<NotifyArgs> out =
+                mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
         // Loop the reader to flush the input listener queue.
+        for (const NotifyArgs& args : out) {
+            mFakeListener->notify(args);
+        }
         mReader->loopOnce();
+        return out;
     }
 
     std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
@@ -3025,9 +3072,12 @@
     T& addMapperAndConfigure(Args... args) {
         T& mapper = mDevice->addMapper<T>(EVENTHUB_ID, args...);
         configureDevice(0);
-        mDevice->reset(ARBITRARY_TIME);
-        mapper.reset(ARBITRARY_TIME);
+        std::list<NotifyArgs> resetArgList = mDevice->reset(ARBITRARY_TIME);
+        resetArgList += mapper.reset(ARBITRARY_TIME);
         // Loop the reader to flush the input listener queue.
+        for (const NotifyArgs& loopArgs : resetArgList) {
+            mFakeListener->notify(loopArgs);
+        }
         mReader->loopOnce();
         return mapper;
     }
@@ -3044,8 +3094,8 @@
         mFakePolicy->clearViewports();
     }
 
-    void process(InputMapper& mapper, nsecs_t when, nsecs_t readTime, int32_t type, int32_t code,
-                 int32_t value) {
+    std::list<NotifyArgs> process(InputMapper& mapper, nsecs_t when, nsecs_t readTime, int32_t type,
+                                  int32_t code, int32_t value) {
         RawEvent event;
         event.when = when;
         event.readTime = readTime;
@@ -3053,9 +3103,13 @@
         event.type = type;
         event.code = code;
         event.value = value;
-        mapper.process(&event);
+        std::list<NotifyArgs> processArgList = mapper.process(&event);
+        for (const NotifyArgs& args : processArgList) {
+            mFakeListener->notify(args);
+        }
         // Loop the reader to flush the input listener queue.
         mReader->loopOnce();
+        return processArgList;
     }
 
     static void assertMotionRange(const InputDeviceInfo& info,
@@ -3131,14 +3185,17 @@
 
 TEST_F(SwitchInputMapperTest, Process) {
     SwitchInputMapper& mapper = addMapperAndConfigure<SwitchInputMapper>();
+    std::list<NotifyArgs> out;
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_LID, 1);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_JACK_PHYSICAL_INSERT, 1);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_HEADPHONE_INSERT, 0);
+    ASSERT_TRUE(out.empty());
+    out = process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
 
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_LID, 1);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_JACK_PHYSICAL_INSERT, 1);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SW, SW_HEADPHONE_INSERT, 0);
-    process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
-
-    NotifySwitchArgs args;
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySwitchWasCalled(&args));
+    ASSERT_EQ(1u, out.size());
+    const NotifySwitchArgs& args = std::get<NotifySwitchArgs>(*out.begin());
     ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
     ASSERT_EQ((1U << SW_LID) | (1U << SW_JACK_PHYSICAL_INSERT), args.switchValues);
     ASSERT_EQ((1U << SW_LID) | (1U << SW_JACK_PHYSICAL_INSERT) | (1 << SW_HEADPHONE_INSERT),
@@ -3185,22 +3242,23 @@
 
     ASSERT_FALSE(mapper.isVibrating());
     // Start vibrating
-    mapper.vibrate(sequence, -1 /* repeat */, VIBRATION_TOKEN);
+    std::list<NotifyArgs> out = mapper.vibrate(sequence, -1 /* repeat */, VIBRATION_TOKEN);
     ASSERT_TRUE(mapper.isVibrating());
     // Verify vibrator state listener was notified.
     mReader->loopOnce();
-    NotifyVibratorStateArgs args;
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyVibratorStateWasCalled(&args));
-    ASSERT_EQ(DEVICE_ID, args.deviceId);
-    ASSERT_TRUE(args.isOn);
+    ASSERT_EQ(1u, out.size());
+    const NotifyVibratorStateArgs& vibrateArgs = std::get<NotifyVibratorStateArgs>(*out.begin());
+    ASSERT_EQ(DEVICE_ID, vibrateArgs.deviceId);
+    ASSERT_TRUE(vibrateArgs.isOn);
     // Stop vibrating
-    mapper.cancelVibrate(VIBRATION_TOKEN);
+    out = mapper.cancelVibrate(VIBRATION_TOKEN);
     ASSERT_FALSE(mapper.isVibrating());
     // Verify vibrator state listener was notified.
     mReader->loopOnce();
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyVibratorStateWasCalled(&args));
-    ASSERT_EQ(DEVICE_ID, args.deviceId);
-    ASSERT_FALSE(args.isOn);
+    ASSERT_EQ(1u, out.size());
+    const NotifyVibratorStateArgs& cancelArgs = std::get<NotifyVibratorStateArgs>(*out.begin());
+    ASSERT_EQ(DEVICE_ID, cancelArgs.deviceId);
+    ASSERT_FALSE(cancelArgs.isOn);
 }
 
 // --- SensorInputMapperTest ---
@@ -3771,9 +3829,8 @@
 
     mFakeEventHub->addKey(EVENTHUB_ID, KEY_A, 0, AKEYCODE_A, 0);
 
-    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
     uint8_t flags[2] = { 0, 0 };
-    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, 1, keyCodes, flags));
+    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, {AKEYCODE_A, AKEYCODE_B}, flags));
     ASSERT_TRUE(flags[0]);
     ASSERT_FALSE(flags[1]);
 }
@@ -3857,7 +3914,7 @@
                                                        AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC);
 
     // Meta state should be AMETA_NONE after reset
-    mapper.reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
     ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
     // Meta state should be AMETA_NONE with update, as device doesn't have the keys.
     mapper.updateMetaState(AKEYCODE_NUM_LOCK);
@@ -3909,8 +3966,10 @@
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Prepared displays and associated info.
     constexpr uint8_t hdmi1 = 0;
@@ -3921,8 +3980,8 @@
     mFakePolicy->addInputPortAssociation(USB2, hdmi2);
 
     // No associated display viewport found, should disable the device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     ASSERT_FALSE(device2->isEnabled());
 
     // Prepare second display.
@@ -3932,8 +3991,8 @@
     setDisplayInfoAndReconfigure(newDisplayId, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_ORIENTATION_0,
                                  SECONDARY_UNIQUE_ID, hdmi2, ViewportType::EXTERNAL);
     // Default device will reconfigure above, need additional reconfiguration for another device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO);
 
     // Device should be enabled after the associated display is found.
     ASSERT_TRUE(mDevice->isEnabled());
@@ -4017,8 +4076,10 @@
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     ASSERT_TRUE(mFakeEventHub->getLedState(SECOND_EVENTHUB_ID, LED_CAPSL));
     ASSERT_TRUE(mFakeEventHub->getLedState(SECOND_EVENTHUB_ID, LED_NUML));
@@ -4076,8 +4137,10 @@
     KeyboardInputMapper& mapper2 =
             device2->addMapper<KeyboardInputMapper>(SECOND_EVENTHUB_ID, AINPUT_SOURCE_KEYBOARD,
                                                     AINPUT_KEYBOARD_TYPE_ALPHABETIC);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Initial metastate is AMETA_NONE.
     ASSERT_EQ(AMETA_NONE, mapper1.getMetaState());
@@ -4123,6 +4186,37 @@
     ASSERT_EQ(AMETA_NONE, mapper2.getMetaState());
 }
 
+TEST_F(KeyboardInputMapperTest, Process_DisabledDevice) {
+    const int32_t USAGE_A = 0x070004;
+    mFakeEventHub->addKey(EVENTHUB_ID, KEY_HOME, 0, AKEYCODE_HOME, POLICY_FLAG_WAKE);
+    mFakeEventHub->addKey(EVENTHUB_ID, 0, USAGE_A, AKEYCODE_A, POLICY_FLAG_WAKE);
+
+    KeyboardInputMapper& mapper =
+            addMapperAndConfigure<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD,
+                                                       AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    // Key down by scan code.
+    process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, KEY_HOME, 1);
+    NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+
+    // Disable device, it should synthesize cancellation events for down events.
+    mFakePolicy->addDisabledDevice(DEVICE_ID);
+    configureDevice(InputReaderConfiguration::CHANGE_ENABLED_STATE);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_CANCELED, args.flags);
+}
+
 // --- KeyboardInputMapperTest_ExternalDevice ---
 
 class KeyboardInputMapperTest_ExternalDevice : public InputMapperTest {
@@ -5086,8 +5180,9 @@
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_Y, 20);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_HOVER_MOVE), WithSource(AINPUT_SOURCE_MOUSE),
-                  WithDisplayId(SECONDARY_DISPLAY_ID), WithCoords(110.0f, 220.0f))));
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE), WithDisplayId(SECONDARY_DISPLAY_ID),
+                  WithCoords(110.0f, 220.0f))));
     ASSERT_NO_FATAL_FAILURE(assertPosition(*mFakePointerController, 110.0f, 220.0f));
 }
 
@@ -5112,8 +5207,9 @@
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_REL, REL_Y, 20);
     process(mapper, ARBITRARY_TIME, READ_TIME, EV_SYN, SYN_REPORT, 0);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
-            AllOf(WithAction(AMOTION_EVENT_ACTION_HOVER_MOVE), WithSource(AINPUT_SOURCE_MOUSE),
-                  WithDisplayId(SECONDARY_DISPLAY_ID), WithCoords(110.0f, 220.0f))));
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_MOVE),
+                  WithSource(AINPUT_SOURCE_MOUSE), WithDisplayId(SECONDARY_DISPLAY_ID),
+                  WithCoords(110.0f, 220.0f))));
     ASSERT_NO_FATAL_FAILURE(assertPosition(*mFakePointerController, 110.0f, 220.0f));
 }
 
@@ -5410,25 +5506,6 @@
     ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
 }
 
-TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsNotSpecifiedAndIsACursor_ReturnsTouchPad) {
-    mFakeEventHub->addRelativeAxis(EVENTHUB_ID, REL_X);
-    mFakeEventHub->addRelativeAxis(EVENTHUB_ID, REL_Y);
-    prepareButtons();
-    prepareAxes(POSITION);
-    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-
-    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
-}
-
-TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchPad_ReturnsTouchPad) {
-    prepareButtons();
-    prepareAxes(POSITION);
-    addConfigurationProperty("touch.deviceType", "touchPad");
-    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
-
-    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
-}
-
 TEST_F(SingleTouchInputMapperTest, GetSources_WhenDeviceTypeIsTouchScreen_ReturnsTouchScreen) {
     prepareButtons();
     prepareAxes(POSITION);
@@ -5502,9 +5579,9 @@
     prepareVirtualKeys();
     SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
 
-    const int32_t keys[2] = { AKEYCODE_HOME, AKEYCODE_A };
     uint8_t flags[2] = { 0, 0 };
-    ASSERT_TRUE(mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, 2, keys, flags));
+    ASSERT_TRUE(
+            mapper.markSupportedKeyCodes(AINPUT_SOURCE_ANY, {AKEYCODE_HOME, AKEYCODE_A}, flags));
     ASSERT_TRUE(flags[0]);
     ASSERT_FALSE(flags[1]);
 }
@@ -6787,6 +6864,32 @@
             toDisplayX(150), toDisplayY(250), 0, 0, 0, 0, 0, 0, 0, 0));
 }
 
+TEST_F(SingleTouchInputMapperTest, Reset_RecreatesTouchState) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareButtons();
+    prepareAxes(POSITION | PRESSURE);
+    SingleTouchInputMapper& mapper = addMapperAndConfigure<SingleTouchInputMapper>();
+
+    // Set the initial state for the touch pointer.
+    mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_X, 100);
+    mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_Y, 200);
+    mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_PRESSURE, RAW_PRESSURE_MAX);
+    mFakeEventHub->setScanCodeState(EVENTHUB_ID, BTN_TOUCH, 1);
+
+    // Reset the mapper. When the mapper is reset, we expect it to attempt to recreate the touch
+    // state by reading the current axis values.
+    std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
+
+    // Send a sync to simulate an empty touch frame where nothing changes. The mapper should use
+    // the recreated touch state to generate a down event.
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithPressure(1.f))));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
 TEST_F(SingleTouchInputMapperTest,
        Process_WhenViewportDisplayIdChanged_TouchIsCanceledAndDeviceIsReset) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
@@ -6797,9 +6900,7 @@
     NotifyMotionArgs motionArgs;
 
     // Down.
-    int32_t x = 100;
-    int32_t y = 200;
-    processDown(mapper, x, y);
+    processDown(mapper, 100, 200);
     processSync(mapper);
 
     // We should receive a down event
@@ -6848,10 +6949,17 @@
     // No events are generated while the viewport is inactive.
     processMove(mapper, 101, 201);
     processSync(mapper);
-    processDown(mapper, 102, 202);
+    processUp(mapper);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 
+    // Start a new gesture while the viewport is still inactive.
+    processDown(mapper, 300, 400);
+    mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_X, 300);
+    mFakeEventHub->setAbsoluteAxisValue(EVENTHUB_ID, ABS_Y, 400);
+    mFakeEventHub->setScanCodeState(EVENTHUB_ID, BTN_TOUCH, 1);
+    processSync(mapper);
+
     // Make the viewport active again. The device should resume processing events.
     viewport->isActive = true;
     mFakePolicy->updateViewport(*viewport);
@@ -6861,11 +6969,10 @@
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled());
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
 
-    // Start a new gesture.
-    processDown(mapper, 100, 200);
+    // In the next sync, the touch state that was recreated when the device was reset is reported.
     processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
 
     // No more events.
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
@@ -8781,8 +8888,10 @@
 
     // Setup the second touch screen device.
     MultiTouchInputMapper& mapper2 = device2->addMapper<MultiTouchInputMapper>(SECOND_EVENTHUB_ID);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), 0 /*changes*/);
-    device2->reset(ARBITRARY_TIME);
+    std::list<NotifyArgs> unused =
+            device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                               0 /*changes*/);
+    unused += device2->reset(ARBITRARY_TIME);
 
     // Setup PointerController.
     std::shared_ptr<FakePointerController> fakePointerController =
@@ -8801,9 +8910,9 @@
     prepareSecondaryDisplay(ViewportType::EXTERNAL, hdmi2);
 
     // Default device will reconfigure above, need additional reconfiguration for another device.
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_DISPLAY_INFO |
-                               InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_DISPLAY_INFO |
+                                         InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
 
     // Two fingers down at default display.
     int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
@@ -8833,8 +8942,8 @@
 
     // Disable the show touches configuration and ensure the spots are cleared.
     mFakePolicy->setShowTouches(false);
-    device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
-                       InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+    unused += device2->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(),
+                                 InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
 
     ASSERT_TRUE(fakePointerController->getSpots().empty());
 }
@@ -9397,6 +9506,74 @@
     ASSERT_EQ(uint32_t(1), motionArgs.pointerCount);
 }
 
+TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT | PRESSURE);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // First finger down.
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, 100, 200);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
+
+    // Second finger down.
+    processSlot(mapper, SECOND_SLOT);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, 300, 400);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(
+            mFakeListener->assertNotifyMotionWasCalled(WithMotionAction(ACTION_POINTER_1_DOWN)));
+
+    // Reset the mapper. When the mapper is reset, we expect the current multi-touch state to be
+    // preserved. Resetting should not generate any events.
+    std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+
+    // Send a sync to simulate an empty touch frame where nothing changes. The mapper should use
+    // the existing touch state to generate a down event.
+    processPosition(mapper, 301, 302);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(AMOTION_EVENT_ACTION_DOWN), WithPressure(1.f))));
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            AllOf(WithMotionAction(ACTION_POINTER_1_DOWN), WithPressure(1.f))));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(MultiTouchInputMapperTest, Reset_PreservesLastTouchState_NoPointersDown) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT | PRESSURE);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // First finger touches down and releases.
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, 100, 200);
+    processPressure(mapper, RAW_PRESSURE_MAX);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(
+            WithMotionAction(AMOTION_EVENT_ACTION_DOWN)));
+    processId(mapper, INVALID_TRACKING_ID);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(
+            mFakeListener->assertNotifyMotionWasCalled(WithMotionAction(AMOTION_EVENT_ACTION_UP)));
+
+    // Reset the mapper. When the mapper is reset, we expect it to restore the latest
+    // raw state where no pointers are down.
+    std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+
+    // Send an empty sync frame. Since there are no pointers, no events are generated.
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+}
+
 // --- MultiTouchInputMapperTest_ExternalDevice ---
 
 class MultiTouchInputMapperTest_ExternalDevice : public MultiTouchInputMapperTest {
@@ -9648,6 +9825,266 @@
     ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
 }
 
+class MultiTouchPointerModeTest : public MultiTouchInputMapperTest {
+protected:
+    float mPointerMovementScale;
+    float mPointerXZoomScale;
+    void preparePointerMode(int xAxisResolution, int yAxisResolution) {
+        addConfigurationProperty("touch.deviceType", "pointer");
+        std::shared_ptr<FakePointerController> fakePointerController =
+                std::make_shared<FakePointerController>();
+        fakePointerController->setBounds(0, 0, DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1);
+        fakePointerController->setPosition(0, 0);
+        fakePointerController->setButtonState(0);
+        prepareDisplay(DISPLAY_ORIENTATION_0);
+
+        prepareAxes(POSITION);
+        prepareAbsoluteAxisResolution(xAxisResolution, yAxisResolution);
+        // In order to enable swipe and freeform gesture in pointer mode, pointer capture
+        // needs to be disabled, and the pointer gesture needs to be enabled.
+        mFakePolicy->setPointerCapture(false);
+        mFakePolicy->setPointerGestureEnabled(true);
+        mFakePolicy->setPointerController(fakePointerController);
+
+        float rawDiagonal = hypotf(RAW_X_MAX - RAW_X_MIN, RAW_Y_MAX - RAW_Y_MIN);
+        float displayDiagonal = hypotf(DISPLAY_WIDTH, DISPLAY_HEIGHT);
+        mPointerMovementScale =
+                mFakePolicy->getPointerGestureMovementSpeedRatio() * displayDiagonal / rawDiagonal;
+        mPointerXZoomScale =
+                mFakePolicy->getPointerGestureZoomSpeedRatio() * displayDiagonal / rawDiagonal;
+    }
+
+    void prepareAbsoluteAxisResolution(int xAxisResolution, int yAxisResolution) {
+        mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX,
+                                       /*flat*/ 0,
+                                       /*fuzz*/ 0, /*resolution*/ xAxisResolution);
+        mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_MT_POSITION_Y, RAW_Y_MIN, RAW_Y_MAX,
+                                       /*flat*/ 0,
+                                       /*fuzz*/ 0, /*resolution*/ yAxisResolution);
+    }
+};
+
+/**
+ * Two fingers down on a pointer mode touch pad. The width
+ * of the two finger is larger than 1/4 of the touch pack diagnal length. However, it
+ * is smaller than the fixed min physical length 30mm. Two fingers' distance must
+ * be greater than the both value to be freeform gesture, so that after two
+ * fingers start to move downwards, the gesture should be swipe.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthSwipe) {
+    // The min freeform gesture width is 25units/mm x 30mm = 750
+    // which is greater than fraction of the diagnal length of the touchpad (349).
+    // Thus, MaxSwipWidth is 750.
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    // The two fingers are 450 units apart, expects the current gesture to be PRESS
+    // Pointer's initial position is used the [0,0] coordinate.
+    int32_t x1 = 100, y1 = 125, x2 = 550, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // It should be recognized as a SWIPE gesture when two fingers start to move down,
+    // that there should be 1 pointer.
+    int32_t movingDistance = 200;
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::TWO_FINGER_SWIPE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], 0,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+}
+
+/**
+ * Two fingers down on a pointer mode touch pad. The width of the two finger is larger
+ * than the minimum freeform gesture width, 30mm. However, it is smaller than 1/4 of
+ * the touch pack diagnal length. Two fingers' distance must be greater than the both
+ * value to be freeform gesture, so that after two fingers start to move downwards,
+ * the gesture should be swipe.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthLowResolutionSwipe) {
+    // The min freeform gesture width is 5units/mm x 30mm = 150
+    // which is greater than fraction of the diagnal length of the touchpad (349).
+    // Thus, MaxSwipWidth is the fraction of the diagnal length, 349.
+    preparePointerMode(5 /*xResolution*/, 5 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    // The two fingers are 250 units apart, expects the current gesture to be PRESS
+    // Pointer's initial position is used the [0,0] coordinate.
+    int32_t x1 = 100, y1 = 125, x2 = 350, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // It should be recognized as a SWIPE gesture when two fingers start to move down,
+    // and there should be 1 pointer.
+    int32_t movingDistance = 200;
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::TWO_FINGER_SWIPE, motionArgs.classification);
+    // New coordinate is the scaled relative coordinate from the initial coordinate.
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], 0,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+}
+
+/**
+ * Touch the touch pad with two fingers with a distance wider than the minimum freeform
+ * gesture width and 1/4 of the diagnal length of the touchpad. Expect to receive
+ * freeform gestures after two fingers start to move downwards.
+ */
+TEST_F(MultiTouchPointerModeTest, PointerGestureMaxSwipeWidthFreeform) {
+    preparePointerMode(25 /*xResolution*/, 25 /*yResolution*/);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once. Wider than the max swipe width.
+    // The gesture is expected to be PRESS, then transformed to FREEFORM
+    int32_t x1 = 100, y1 = 125, x2 = 900, y2 = 125;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    // One pointer for PRESS, and its coordinate is used as the origin for pointer coordinates.
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(motionArgs.pointerCoords[0], 0, 0, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    int32_t movingDistance = 200;
+
+    // Move two fingers down, expect a cancel event because gesture is changing to freeform,
+    // then two down events for two pointers.
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    // The previous PRESS gesture is cancelled, because it is transformed to freeform
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_CANCEL, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(1U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_EQ(2U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN, motionArgs.action & AMOTION_EVENT_ACTION_MASK);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    // Two pointers' scaled relative coordinates from their initial centroid.
+    // Initial y coordinates are 0 as y1 and y2 have the same value.
+    float cookedX1 = (x1 - x2) / 2 * mPointerXZoomScale;
+    float cookedX2 = (x2 - x1) / 2 * mPointerXZoomScale;
+    // When pointers move,  the new coordinates equal to the initial coordinates plus
+    // scaled moving distance.
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], cookedX1,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1], cookedX2,
+                                                movingDistance * mPointerMovementScale, 1, 0, 0, 0,
+                                                0, 0, 0, 0));
+
+    // Move two fingers down again, expect one MOVE motion event.
+    y1 += movingDistance;
+    y2 += movingDistance;
+
+    processId(mapper, FIRST_TRACKING_ID);
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processId(mapper, SECOND_TRACKING_ID);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(2U, motionArgs.pointerCount);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
+    ASSERT_EQ(MotionClassification::NONE, motionArgs.classification);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0], cookedX1,
+                                                movingDistance * 2 * mPointerMovementScale, 1, 0, 0,
+                                                0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1], cookedX2,
+                                                movingDistance * 2 * mPointerMovementScale, 1, 0, 0,
+                                                0, 0, 0, 0, 0));
+}
+
 // --- JoystickInputMapperTest ---
 
 class JoystickInputMapperTest : public InputMapperTest {
@@ -9729,7 +10166,7 @@
 
     virtual void SetUp(ftl::Flags<InputDeviceClass> classes) {
         mFakeEventHub = std::make_unique<FakeEventHub>();
-        mFakePolicy = new FakeInputReaderPolicy();
+        mFakePolicy = sp<FakeInputReaderPolicy>::make();
         mFakeListener = std::make_unique<TestInputListener>();
         mReader = std::make_unique<InstrumentedInputReader>(mFakeEventHub, mFakePolicy,
                                                             *mFakeListener);
@@ -9743,12 +10180,12 @@
         mFakePolicy.clear();
     }
 
-    void configureDevice(uint32_t changes) {
+    std::list<NotifyArgs> configureDevice(uint32_t changes) {
         if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
             mReader->requestRefreshConfiguration(changes);
             mReader->loopOnce();
         }
-        mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
+        return mDevice->configure(ARBITRARY_TIME, mFakePolicy->getReaderConfiguration(), changes);
     }
 
     std::shared_ptr<InputDevice> newDevice(int32_t deviceId, const std::string& name,
@@ -9815,7 +10252,7 @@
 
 TEST_F(LightControllerTest, MonoLight) {
     RawLightInfo infoMono = {.id = 1,
-                             .name = "Mono",
+                             .name = "mono_light",
                              .maxBrightness = 255,
                              .flags = InputLightClass::BRIGHTNESS,
                              .path = ""};
@@ -9826,7 +10263,29 @@
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::MONO, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_BRIGHTNESS));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_BRIGHTNESS);
+}
+
+TEST_F(LightControllerTest, MonoKeyboardBacklight) {
+    RawLightInfo infoMono = {.id = 1,
+                             .name = "mono_keyboard_backlight",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS |
+                                     InputLightClass::KEYBOARD_BACKLIGHT,
+                             .path = ""};
+    mFakeEventHub->addRawLightInfo(infoMono.id, std::move(infoMono));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_BRIGHTNESS));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_BRIGHTNESS);
@@ -9857,7 +10316,85 @@
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::RGB, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, CorrectRGBKeyboardBacklight) {
+    RawLightInfo infoRed = {.id = 1,
+                            .name = "red_keyboard_backlight",
+                            .maxBrightness = 255,
+                            .flags = InputLightClass::BRIGHTNESS | InputLightClass::RED |
+                                    InputLightClass::KEYBOARD_BACKLIGHT,
+                            .path = ""};
+    RawLightInfo infoGreen = {.id = 2,
+                              .name = "green_keyboard_backlight",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS | InputLightClass::GREEN |
+                                      InputLightClass::KEYBOARD_BACKLIGHT,
+                              .path = ""};
+    RawLightInfo infoBlue = {.id = 3,
+                             .name = "blue_keyboard_backlight",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS | InputLightClass::BLUE |
+                                     InputLightClass::KEYBOARD_BACKLIGHT,
+                             .path = ""};
+    mFakeEventHub->addRawLightInfo(infoRed.id, std::move(infoRed));
+    mFakeEventHub->addRawLightInfo(infoGreen.id, std::move(infoGreen));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoBlue));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, IncorrectRGBKeyboardBacklight) {
+    RawLightInfo infoRed = {.id = 1,
+                            .name = "red",
+                            .maxBrightness = 255,
+                            .flags = InputLightClass::BRIGHTNESS | InputLightClass::RED,
+                            .path = ""};
+    RawLightInfo infoGreen = {.id = 2,
+                              .name = "green",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS | InputLightClass::GREEN,
+                              .path = ""};
+    RawLightInfo infoBlue = {.id = 3,
+                             .name = "blue",
+                             .maxBrightness = 255,
+                             .flags = InputLightClass::BRIGHTNESS | InputLightClass::BLUE,
+                             .path = ""};
+    RawLightInfo infoGlobal = {.id = 3,
+                               .name = "global_keyboard_backlight",
+                               .maxBrightness = 255,
+                               .flags = InputLightClass::BRIGHTNESS | InputLightClass::GLOBAL |
+                                       InputLightClass::KEYBOARD_BACKLIGHT,
+                               .path = ""};
+    mFakeEventHub->addRawLightInfo(infoRed.id, std::move(infoRed));
+    mFakeEventHub->addRawLightInfo(infoGreen.id, std::move(infoGreen));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoBlue));
+    mFakeEventHub->addRawLightInfo(infoBlue.id, std::move(infoGlobal));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
@@ -9865,7 +10402,7 @@
 
 TEST_F(LightControllerTest, MultiColorRGBLight) {
     RawLightInfo infoColor = {.id = 1,
-                              .name = "red",
+                              .name = "multi_color",
                               .maxBrightness = 255,
                               .flags = InputLightClass::BRIGHTNESS |
                                       InputLightClass::MULTI_INTENSITY |
@@ -9879,7 +10416,34 @@
     controller.populateDeviceInfo(&info);
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
-    ASSERT_EQ(InputDeviceLightType::MULTI_COLOR, lights[0].type);
+    ASSERT_EQ(InputDeviceLightType::INPUT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
+
+    ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
+    ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
+}
+
+TEST_F(LightControllerTest, MultiColorRGBKeyboardBacklight) {
+    RawLightInfo infoColor = {.id = 1,
+                              .name = "multi_color_keyboard_backlight",
+                              .maxBrightness = 255,
+                              .flags = InputLightClass::BRIGHTNESS |
+                                      InputLightClass::MULTI_INTENSITY |
+                                      InputLightClass::MULTI_INDEX |
+                                      InputLightClass::KEYBOARD_BACKLIGHT,
+                              .path = ""};
+
+    mFakeEventHub->addRawLightInfo(infoColor.id, std::move(infoColor));
+
+    PeripheralController& controller = addControllerAndConfigure<PeripheralController>();
+    InputDeviceInfo info;
+    controller.populateDeviceInfo(&info);
+    std::vector<InputDeviceLightInfo> lights = info.getLights();
+    ASSERT_EQ(1U, lights.size());
+    ASSERT_EQ(InputDeviceLightType::KEYBOARD_BACKLIGHT, lights[0].type);
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_TRUE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_TRUE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_EQ(controller.getLightColor(lights[0].id).value_or(-1), LIGHT_COLOR);
@@ -9917,6 +10481,8 @@
     std::vector<InputDeviceLightInfo> lights = info.getLights();
     ASSERT_EQ(1U, lights.size());
     ASSERT_EQ(InputDeviceLightType::PLAYER_ID, lights[0].type);
+    ASSERT_FALSE(lights[0].capabilityFlags.test(InputDeviceLightCapability::BRIGHTNESS));
+    ASSERT_FALSE(lights[0].capabilityFlags.test(InputDeviceLightCapability::RGB));
 
     ASSERT_FALSE(controller.setLightColor(lights[0].id, LIGHT_COLOR));
     ASSERT_TRUE(controller.setLightPlayerId(lights[0].id, LIGHT_PLAYER_ID));
diff --git a/services/inputflinger/tests/LatencyTracker_test.cpp b/services/inputflinger/tests/LatencyTracker_test.cpp
index 89c0741..1f4b248 100644
--- a/services/inputflinger/tests/LatencyTracker_test.cpp
+++ b/services/inputflinger/tests/LatencyTracker_test.cpp
@@ -44,7 +44,7 @@
     graphicsTimeline[GraphicsTimeline::GPU_COMPLETED_TIME] = 9;
     graphicsTimeline[GraphicsTimeline::PRESENT_TIME] = 10;
     expectedCT.setGraphicsTimeline(std::move(graphicsTimeline));
-    t.connectionTimelines.emplace(new BBinder(), std::move(expectedCT));
+    t.connectionTimelines.emplace(sp<BBinder>::make(), std::move(expectedCT));
     return t;
 }
 
@@ -56,8 +56,8 @@
     sp<IBinder> connection2;
 
     void SetUp() override {
-        connection1 = new BBinder();
-        connection2 = new BBinder();
+        connection1 = sp<BBinder>::make();
+        connection2 = sp<BBinder>::make();
 
         mTracker = std::make_unique<LatencyTracker>(this);
     }
diff --git a/services/inputflinger/tests/TestInputListener.cpp b/services/inputflinger/tests/TestInputListener.cpp
index 57b382c..29093ef 100644
--- a/services/inputflinger/tests/TestInputListener.cpp
+++ b/services/inputflinger/tests/TestInputListener.cpp
@@ -147,7 +147,7 @@
 }
 
 template <class NotifyArgsType>
-void TestInputListener::notify(const NotifyArgsType* args) {
+void TestInputListener::addToQueue(const NotifyArgsType* args) {
     std::scoped_lock<std::mutex> lock(mLock);
 
     std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
@@ -156,35 +156,35 @@
 }
 
 void TestInputListener::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
-    notify<NotifyConfigurationChangedArgs>(args);
+    addToQueue<NotifyConfigurationChangedArgs>(args);
 }
 
 void TestInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
-    notify<NotifyDeviceResetArgs>(args);
+    addToQueue<NotifyDeviceResetArgs>(args);
 }
 
 void TestInputListener::notifyKey(const NotifyKeyArgs* args) {
-    notify<NotifyKeyArgs>(args);
+    addToQueue<NotifyKeyArgs>(args);
 }
 
 void TestInputListener::notifyMotion(const NotifyMotionArgs* args) {
-    notify<NotifyMotionArgs>(args);
+    addToQueue<NotifyMotionArgs>(args);
 }
 
 void TestInputListener::notifySwitch(const NotifySwitchArgs* args) {
-    notify<NotifySwitchArgs>(args);
+    addToQueue<NotifySwitchArgs>(args);
 }
 
 void TestInputListener::notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) {
-    notify<NotifyPointerCaptureChangedArgs>(args);
+    addToQueue<NotifyPointerCaptureChangedArgs>(args);
 }
 
 void TestInputListener::notifySensor(const NotifySensorArgs* args) {
-    notify<NotifySensorArgs>(args);
+    addToQueue<NotifySensorArgs>(args);
 }
 
 void TestInputListener::notifyVibratorState(const NotifyVibratorStateArgs* args) {
-    notify<NotifyVibratorStateArgs>(args);
+    addToQueue<NotifyVibratorStateArgs>(args);
 }
 
 } // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.h b/services/inputflinger/tests/TestInputListener.h
index 0bdfc6b..4ad1c42 100644
--- a/services/inputflinger/tests/TestInputListener.h
+++ b/services/inputflinger/tests/TestInputListener.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_TEST_INPUT_LISTENER_H
-#define _UI_TEST_INPUT_LISTENER_H
+#pragma once
 
 #include <android-base/thread_annotations.h>
 #include <gmock/gmock.h>
@@ -68,7 +67,7 @@
     void assertNotCalled(std::string message);
 
     template <class NotifyArgsType>
-    void notify(const NotifyArgsType* args);
+    void addToQueue(const NotifyArgsType* args);
 
     virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
 
@@ -103,4 +102,3 @@
 };
 
 } // namespace android
-#endif
diff --git a/services/inputflinger/tests/TestInputListenerMatchers.h b/services/inputflinger/tests/TestInputListenerMatchers.h
new file mode 100644
index 0000000..2580405
--- /dev/null
+++ b/services/inputflinger/tests/TestInputListenerMatchers.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/input.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+namespace android {
+
+MATCHER_P(WithMotionAction, action, "InputEvent with specified action") {
+    if (action == AMOTION_EVENT_ACTION_CANCEL) {
+        *result_listener << "expected FLAG_CANCELED to be set with ACTION_CANCEL, but was not set";
+        return (arg.flags & AMOTION_EVENT_FLAG_CANCELED) != 0;
+    }
+    *result_listener << "expected action " << MotionEvent::actionToString(action) << ", but got "
+                     << MotionEvent::actionToString(arg.action);
+    return action == arg.action;
+}
+
+MATCHER_P(WithSource, source, "InputEvent with specified source") {
+    *result_listener << "expected source " << source << ", but got " << arg.source;
+    return arg.source == source;
+}
+
+MATCHER_P(WithDisplayId, displayId, "InputEvent with specified displayId") {
+    *result_listener << "expected displayId " << displayId << ", but got " << arg.displayId;
+    return arg.displayId == displayId;
+}
+
+MATCHER_P2(WithCoords, x, y, "InputEvent with specified coords") {
+    const auto argX = arg.pointerCoords[0].getX();
+    const auto argY = arg.pointerCoords[0].getY();
+    *result_listener << "expected coords (" << x << ", " << y << "), but got (" << argX << ", "
+                     << argY << ")";
+    return argX == x && argY == y;
+}
+
+MATCHER_P(WithPressure, pressure, "InputEvent with specified pressure") {
+    const auto argPressure = arg.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE);
+    *result_listener << "expected pressure " << pressure << ", but got " << pressure;
+    return argPressure;
+}
+
+MATCHER_P(WithFlags, flags, "InputEvent with specified flags") {
+    *result_listener << "expected flags " << flags << ", but got " << arg.flags;
+    return arg.flags == flags;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/UinputDevice.h b/services/inputflinger/tests/UinputDevice.h
index a37fc2b..e0ff8c3 100644
--- a/services/inputflinger/tests/UinputDevice.h
+++ b/services/inputflinger/tests/UinputDevice.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _UI_TEST_INPUT_UINPUT_INJECTOR_H
-#define _UI_TEST_INPUT_UINPUT_INJECTOR_H
+#pragma once
 
 #include <android-base/unique_fd.h>
 #include <gtest/gtest.h>
@@ -155,5 +154,3 @@
 };
 
 } // namespace android
-
-#endif // _UI_TEST_INPUT_UINPUT_INJECTOR_H
diff --git a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
index 29fa001..4c84160 100644
--- a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
+++ b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
@@ -24,6 +24,7 @@
 #include "ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter.h"
 
 #include "TestInputListener.h"
+#include "TestInputListenerMatchers.h"
 
 using ::testing::AllOf;
 
@@ -55,21 +56,6 @@
 
 constexpr int32_t FLAG_CANCELED = AMOTION_EVENT_FLAG_CANCELED;
 
-MATCHER_P(WithAction, action, "MotionEvent with specified action") {
-    bool result = true;
-    if (action == CANCEL) {
-        result &= (arg.flags & FLAG_CANCELED) != 0;
-    }
-    result &= arg.action == action;
-    *result_listener << "expected to receive " << MotionEvent::actionToString(action)
-                     << " but received " << MotionEvent::actionToString(arg.action) << " instead.";
-    return result;
-}
-
-MATCHER_P(WithFlags, flags, "MotionEvent with specified flags") {
-    return arg.flags == flags;
-}
-
 static nsecs_t toNs(std::chrono::nanoseconds duration) {
     return duration.count();
 }
@@ -428,11 +414,11 @@
 };
 
 /**
- * Create a basic configuration change and send it to input classifier.
+ * Create a basic configuration change and send it to input processor.
  * Expect that the event is received by the next input stage, unmodified.
  */
 TEST_F(UnwantedInteractionBlockerTest, ConfigurationChangedIsPassedToNextListener) {
-    // Create a basic configuration change and send to classifier
+    // Create a basic configuration change and send to blocker
     NotifyConfigurationChangedArgs args(1 /*sequenceNum*/, 2 /*eventTime*/);
 
     mBlocker->notifyConfigurationChanged(&args);
@@ -446,7 +432,7 @@
  * to next stage unmodified.
  */
 TEST_F(UnwantedInteractionBlockerTest, KeyIsPassedToNextListener) {
-    // Create a basic key event and send to classifier
+    // Create a basic key event and send to blocker
     NotifyKeyArgs args(1 /*sequenceNum*/, 2 /*eventTime*/, 21 /*readTime*/, 3 /*deviceId*/,
                        AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT, 0 /*policyFlags*/,
                        AKEY_EVENT_ACTION_DOWN, 4 /*flags*/, AKEYCODE_HOME, 5 /*scanCode*/,
@@ -605,19 +591,19 @@
     // Small touch down
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Large touch oval on the next move
     NotifyMotionArgs args2 =
             generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, MOVE, {{4, 5, 200}});
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the touch to force the model to decide on whether it's a palm
     NotifyMotionArgs args3 =
             generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(CANCEL));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(CANCEL));
 }
 
 /**
@@ -633,14 +619,14 @@
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     args1.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Move the stylus, setting large TOUCH_MAJOR/TOUCH_MINOR dimensions
     NotifyMotionArgs args2 =
             generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, MOVE, {{4, 5, 200}});
     args2.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the stylus. If it were a touch event, this would force the model to decide on whether
     // it's a palm.
@@ -648,7 +634,7 @@
             generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
     args3.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(UP));
 }
 
 /**
@@ -664,21 +650,21 @@
     // Touch down
     NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
     mBlocker->notifyMotion(&args1);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(DOWN));
 
     // Stylus pointer down
     NotifyMotionArgs args2 = generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, POINTER_1_DOWN,
                                                 {{1, 2, 3}, {10, 20, 30}});
     args2.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args2);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(POINTER_1_DOWN));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(POINTER_1_DOWN));
 
     // Large touch oval on the next finger move
     NotifyMotionArgs args3 = generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, MOVE,
                                                 {{1, 2, 300}, {11, 21, 30}});
     args3.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args3);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the finger pointer. It should be canceled due to the heuristic filter.
     NotifyMotionArgs args4 = generateMotionArgs(0 /*downTime*/, 3 * RESAMPLE_PERIOD, POINTER_0_UP,
@@ -686,14 +672,14 @@
     args4.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args4);
     mTestListener.assertNotifyMotionWasCalled(
-            AllOf(WithAction(POINTER_0_UP), WithFlags(FLAG_CANCELED)));
+            AllOf(WithMotionAction(POINTER_0_UP), WithFlags(FLAG_CANCELED)));
 
     NotifyMotionArgs args5 =
             generateMotionArgs(0 /*downTime*/, 4 * RESAMPLE_PERIOD, MOVE, {{12, 22, 30}});
     args5.pointerProperties[0].id = args4.pointerProperties[1].id;
     args5.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args5);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(MOVE));
 
     // Lift up the stylus pointer
     NotifyMotionArgs args6 =
@@ -701,7 +687,7 @@
     args6.pointerProperties[0].id = args4.pointerProperties[1].id;
     args6.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
     mBlocker->notifyMotion(&args6);
-    mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+    mTestListener.assertNotifyMotionWasCalled(WithMotionAction(UP));
 }
 
 using UnwantedInteractionBlockerTestDeathTest = UnwantedInteractionBlockerTest;
diff --git a/services/inputflinger/tests/fuzzers/Android.bp b/services/inputflinger/tests/fuzzers/Android.bp
index 455a1e2..55c2db6 100644
--- a/services/inputflinger/tests/fuzzers/Android.bp
+++ b/services/inputflinger/tests/fuzzers/Android.bp
@@ -21,7 +21,6 @@
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-
 cc_fuzz {
     name: "inputflinger_latencytracker_fuzzer",
     defaults: [
@@ -34,7 +33,6 @@
         "libbase",
         "libbinder",
         "liblog",
-        "libui",
         "libutils",
         "libinput",
         "libinputflinger",
@@ -43,6 +41,107 @@
         "LatencyTrackerFuzzer.cpp",
     ],
     fuzz_config: {
-       cc: ["android-framework-input@google.com"],
+        cc: ["android-framework-input@google.com"],
     },
 }
+
+cc_defaults {
+    name: "inputflinger_fuzz_defaults",
+    defaults: [
+        "inputflinger_defaults",
+    ],
+    include_dirs: [
+        "frameworks/native/services/inputflinger",
+    ],
+    shared_libs: [
+        "android.hardware.input.classifier@1.0",
+        "android.hardware.input.processor-V1-ndk",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "liblog",
+        "libutils",
+        "libinput",
+        "libinputflinger",
+        "libinputreader",
+        "libinputflinger_base",
+        "libstatslog",
+    ],
+    header_libs: [
+        "libbatteryservice_headers",
+        "libinputreader_headers",
+    ],
+    fuzz_config: {
+        cc: ["android-framework-input@google.com"],
+    },
+}
+
+cc_fuzz {
+    name: "inputflinger_cursor_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "CursorInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_keyboard_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "KeyboardInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_multitouch_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "MultiTouchInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_switch_input_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "SwitchInputFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_input_reader_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "InputReaderFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_blocking_queue_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "BlockingQueueFuzzer.cpp",
+    ],
+}
+
+cc_fuzz {
+    name: "inputflinger_input_classifier_fuzzer",
+    defaults: [
+        "inputflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "InputClassifierFuzzer.cpp",
+    ],
+}
diff --git a/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp b/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp
new file mode 100644
index 0000000..d2595bf
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/BlockingQueueFuzzer.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fuzzer/FuzzedDataProvider.h>
+#include <thread>
+#include "BlockingQueue.h"
+
+// Chosen to be a number large enough for variation in fuzzer runs, but not consume too much memory.
+static constexpr size_t MAX_CAPACITY = 1024;
+
+namespace android {
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+    size_t capacity = fdp.ConsumeIntegralInRange<size_t>(1, MAX_CAPACITY);
+    size_t filled = 0;
+    BlockingQueue<int32_t> queue(capacity);
+
+    while (fdp.remaining_bytes() > 0) {
+        fdp.PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    size_t numPushes = fdp.ConsumeIntegralInRange<size_t>(0, capacity + 1);
+                    for (size_t i = 0; i < numPushes; i++) {
+                        queue.push(fdp.ConsumeIntegral<int32_t>());
+                    }
+                    filled = std::min(capacity, filled + numPushes);
+                },
+                [&]() -> void {
+                    // Pops blocks if it is empty, so only pop up to num elements inserted.
+                    size_t numPops = fdp.ConsumeIntegralInRange<size_t>(0, filled);
+                    for (size_t i = 0; i < numPops; i++) {
+                        queue.pop();
+                    }
+                    filled > numPops ? filled -= numPops : filled = 0;
+                },
+                [&]() -> void {
+                    queue.clear();
+                    filled = 0;
+                },
+                [&]() -> void {
+                    int32_t eraseElement = fdp.ConsumeIntegral<int32_t>();
+                    queue.erase([&](int32_t element) {
+                        if (element == eraseElement) {
+                            filled--;
+                            return true;
+                        }
+                        return false;
+                    });
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp
new file mode 100644
index 0000000..cc523e1
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/CursorInputFuzzer.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <CursorInputMapper.h>
+#include <FuzzContainer.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("cursor.mode", "pointer"); },
+             [&]() -> void { fuzzer.addProperty("cursor.mode", "navigation"); },
+             [&]() -> void {
+                 fuzzer.addProperty("cursor.mode", fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("cursor.orientationAware",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    CursorInputMapper& mapper = fuzzer.getMapper<CursorInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void {
+                    int32_t type, code;
+                    type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    unused += mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    // Need to reconfigure with 0 or you risk a NPE.
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig, 0);
+                    mapper.getAssociatedDisplayId();
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/FuzzContainer.h b/services/inputflinger/tests/fuzzers/FuzzContainer.h
new file mode 100644
index 0000000..1e0764f
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/FuzzContainer.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <InputDevice.h>
+#include <InputMapper.h>
+#include <InputReader.h>
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+class FuzzContainer {
+    std::shared_ptr<FuzzEventHub> mFuzzEventHub;
+    sp<FuzzInputReaderPolicy> mFuzzPolicy;
+    FuzzInputListener mFuzzListener;
+    std::unique_ptr<FuzzInputReaderContext> mFuzzContext;
+    std::unique_ptr<InputDevice> mFuzzDevice;
+    InputReaderConfiguration mPolicyConfig;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzContainer(std::shared_ptr<FuzzedDataProvider> fdp) : mFdp(fdp) {
+        // Setup parameters.
+        std::string deviceName = mFdp->ConsumeRandomLengthString(16);
+        std::string deviceLocation = mFdp->ConsumeRandomLengthString(12);
+        int32_t deviceID = mFdp->ConsumeIntegralInRange<int32_t>(0, 5);
+        int32_t deviceGeneration = mFdp->ConsumeIntegralInRange<int32_t>(/*from*/ 0, /*to*/ 5);
+
+        // Create mocked objects.
+        mFuzzEventHub = std::make_shared<FuzzEventHub>(mFdp);
+        mFuzzPolicy = sp<FuzzInputReaderPolicy>::make(mFdp);
+        mFuzzContext = std::make_unique<FuzzInputReaderContext>(mFuzzEventHub, mFuzzPolicy,
+                                                                mFuzzListener, mFdp);
+
+        InputDeviceIdentifier identifier;
+        identifier.name = deviceName;
+        identifier.location = deviceLocation;
+        mFuzzDevice = std::make_unique<InputDevice>(mFuzzContext.get(), deviceID, deviceGeneration,
+                                                    identifier);
+        mFuzzPolicy->getReaderConfiguration(&mPolicyConfig);
+    }
+
+    ~FuzzContainer() {}
+
+    void configureDevice() {
+        nsecs_t arbitraryTime = mFdp->ConsumeIntegral<nsecs_t>();
+        std::list<NotifyArgs> out;
+        out += mFuzzDevice->configure(arbitraryTime, &mPolicyConfig, 0);
+        out += mFuzzDevice->reset(arbitraryTime);
+        for (const NotifyArgs& args : out) {
+            mFuzzListener.notify(args);
+        }
+    }
+
+    void addProperty(std::string key, std::string value) {
+        mFuzzEventHub->addProperty(key, value);
+        configureDevice();
+    }
+
+    InputReaderConfiguration& getPolicyConfig() { return mPolicyConfig; }
+
+    template <class T, typename... Args>
+    T& getMapper(Args... args) {
+        T& mapper = mFuzzDevice->addMapper<T>(mFdp->ConsumeIntegral<int32_t>(), args...);
+        configureDevice();
+        return mapper;
+    }
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp b/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp
new file mode 100644
index 0000000..c407cff
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/InputClassifierFuzzer.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include "InputCommonConverter.h"
+#include "InputProcessor.h"
+
+namespace android {
+
+static constexpr int32_t MAX_AXES = 64;
+
+// Used by two fuzz operations and a bit lengthy, so pulled out into a function.
+NotifyMotionArgs generateFuzzedMotionArgs(FuzzedDataProvider &fdp) {
+    // Create a basic motion event for testing
+    PointerProperties properties;
+    properties.id = 0;
+    properties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+    PointerCoords coords;
+    coords.clear();
+    for (int32_t i = 0; i < fdp.ConsumeIntegralInRange<int32_t>(0, MAX_AXES); i++) {
+        coords.setAxisValue(fdp.ConsumeIntegral<int32_t>(), fdp.ConsumeFloatingPoint<float>());
+    }
+
+    const nsecs_t downTime = 2;
+    const nsecs_t readTime = downTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8);
+    NotifyMotionArgs motionArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                downTime /*eventTime*/, readTime,
+                                fdp.ConsumeIntegral<int32_t>() /*deviceId*/, AINPUT_SOURCE_ANY,
+                                ADISPLAY_ID_DEFAULT,
+                                fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                AMOTION_EVENT_ACTION_DOWN,
+                                fdp.ConsumeIntegral<int32_t>() /*actionButton*/,
+                                fdp.ConsumeIntegral<int32_t>() /*flags*/, AMETA_NONE,
+                                fdp.ConsumeIntegral<int32_t>() /*buttonState*/,
+                                MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE,
+                                1 /*pointerCount*/, &properties, &coords,
+                                fdp.ConsumeFloatingPoint<float>() /*xPrecision*/,
+                                fdp.ConsumeFloatingPoint<float>() /*yPrecision*/,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                                AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime,
+                                {} /*videoFrames*/);
+    return motionArgs;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
+    FuzzedDataProvider fdp(data, size);
+
+    std::unique_ptr<FuzzInputListener> mFuzzListener = std::make_unique<FuzzInputListener>();
+    std::unique_ptr<InputProcessorInterface> mClassifier =
+            std::make_unique<InputProcessor>(*mFuzzListener);
+
+    while (fdp.remaining_bytes() > 0) {
+        fdp.PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    // SendToNextStage_NotifyConfigurationChangedArgs
+                    NotifyConfigurationChangedArgs
+                            args(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                 fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/);
+                    mClassifier->notifyConfigurationChanged(&args);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyKeyArgs
+                    const nsecs_t eventTime = fdp.ConsumeIntegral<nsecs_t>();
+                    const nsecs_t readTime =
+                            eventTime + fdp.ConsumeIntegralInRange<nsecs_t>(0, 1E8);
+                    NotifyKeyArgs keyArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                          eventTime, readTime,
+                                          fdp.ConsumeIntegral<int32_t>() /*deviceId*/,
+                                          AINPUT_SOURCE_KEYBOARD, ADISPLAY_ID_DEFAULT,
+                                          fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                          AKEY_EVENT_ACTION_DOWN,
+                                          fdp.ConsumeIntegral<int32_t>() /*flags*/, AKEYCODE_HOME,
+                                          fdp.ConsumeIntegral<int32_t>() /*scanCode*/, AMETA_NONE,
+                                          fdp.ConsumeIntegral<nsecs_t>() /*downTime*/);
+
+                    mClassifier->notifyKey(&keyArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyMotionArgs
+                    NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp);
+                    mClassifier->notifyMotion(&motionArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifySwitchArgs
+                    NotifySwitchArgs switchArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                                fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*policyFlags*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*switchValues*/,
+                                                fdp.ConsumeIntegral<uint32_t>() /*switchMask*/);
+
+                    mClassifier->notifySwitch(&switchArgs);
+                },
+                [&]() -> void {
+                    // SendToNextStage_NotifyDeviceResetArgs
+                    NotifyDeviceResetArgs resetArgs(fdp.ConsumeIntegral<uint32_t>() /*sequenceNum*/,
+                                                    fdp.ConsumeIntegral<nsecs_t>() /*eventTime*/,
+                                                    fdp.ConsumeIntegral<int32_t>() /*deviceId*/);
+
+                    mClassifier->notifyDeviceReset(&resetArgs);
+                },
+                [&]() -> void {
+                    // InputClassifierConverterTest
+                    const NotifyMotionArgs motionArgs = generateFuzzedMotionArgs(fdp);
+                    aidl::android::hardware::input::common::MotionEvent motionEvent =
+                            notifyMotionArgsToHalMotionEvent(motionArgs);
+                },
+        })();
+    }
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp b/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp
new file mode 100644
index 0000000..a9f5a3a
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/InputReaderFuzzer.cpp
@@ -0,0 +1,283 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <InputReader.h>
+#include <MapperHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <input/InputDevice.h>
+#include <chrono>
+#include <thread>
+
+namespace android {
+
+constexpr InputDeviceSensorType kInputDeviceSensorType[] = {
+        InputDeviceSensorType::ACCELEROMETER,
+        InputDeviceSensorType::MAGNETIC_FIELD,
+        InputDeviceSensorType::ORIENTATION,
+        InputDeviceSensorType::GYROSCOPE,
+        InputDeviceSensorType::LIGHT,
+        InputDeviceSensorType::PRESSURE,
+        InputDeviceSensorType::TEMPERATURE,
+        InputDeviceSensorType::PROXIMITY,
+        InputDeviceSensorType::GRAVITY,
+        InputDeviceSensorType::LINEAR_ACCELERATION,
+        InputDeviceSensorType::ROTATION_VECTOR,
+        InputDeviceSensorType::RELATIVE_HUMIDITY,
+        InputDeviceSensorType::AMBIENT_TEMPERATURE,
+        InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED,
+        InputDeviceSensorType::GAME_ROTATION_VECTOR,
+        InputDeviceSensorType::GYROSCOPE_UNCALIBRATED,
+        InputDeviceSensorType::SIGNIFICANT_MOTION,
+};
+
+class FuzzInputReader : public InputReaderInterface {
+public:
+    FuzzInputReader(std::shared_ptr<EventHubInterface> fuzzEventHub,
+                    const sp<InputReaderPolicyInterface>& fuzzPolicy,
+                    InputListenerInterface& fuzzListener) {
+        reader = std::make_unique<InputReader>(fuzzEventHub, fuzzPolicy, fuzzListener);
+    }
+
+    void dump(std::string& dump) { reader->dump(dump); }
+
+    void monitor() { reader->monitor(); }
+
+    bool isInputDeviceEnabled(int32_t deviceId) { return reader->isInputDeviceEnabled(deviceId); }
+
+    status_t start() { return reader->start(); }
+
+    status_t stop() { return reader->stop(); }
+
+    std::vector<InputDeviceInfo> getInputDevices() const { return reader->getInputDevices(); }
+
+    int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask, int32_t scanCode) {
+        return reader->getScanCodeState(deviceId, sourceMask, scanCode);
+    }
+
+    int32_t getKeyCodeState(int32_t deviceId, uint32_t sourceMask, int32_t keyCode) {
+        return reader->getKeyCodeState(deviceId, sourceMask, keyCode);
+    }
+
+    int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t sw) {
+        return reader->getSwitchState(deviceId, sourceMask, sw);
+    }
+
+    void toggleCapsLockState(int32_t deviceId) { reader->toggleCapsLockState(deviceId); }
+
+    bool hasKeys(int32_t deviceId, uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                 uint8_t* outFlags) {
+        return reader->hasKeys(deviceId, sourceMask, keyCodes, outFlags);
+    }
+
+    void requestRefreshConfiguration(uint32_t changes) {
+        reader->requestRefreshConfiguration(changes);
+    }
+
+    void vibrate(int32_t deviceId, const VibrationSequence& sequence, ssize_t repeat,
+                 int32_t token) {
+        reader->vibrate(deviceId, sequence, repeat, token);
+    }
+
+    void cancelVibrate(int32_t deviceId, int32_t token) { reader->cancelVibrate(deviceId, token); }
+
+    bool isVibrating(int32_t deviceId) { return reader->isVibrating(deviceId); }
+
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) {
+        return reader->getVibratorIds(deviceId);
+    }
+
+    std::optional<int32_t> getBatteryCapacity(int32_t deviceId) {
+        return reader->getBatteryCapacity(deviceId);
+    }
+
+    std::optional<int32_t> getBatteryStatus(int32_t deviceId) {
+        return reader->getBatteryStatus(deviceId);
+    }
+
+    std::optional<std::string> getBatteryDevicePath(int32_t deviceId) {
+        return reader->getBatteryDevicePath(deviceId);
+    }
+
+    std::vector<InputDeviceLightInfo> getLights(int32_t deviceId) {
+        return reader->getLights(deviceId);
+    }
+
+    std::vector<InputDeviceSensorInfo> getSensors(int32_t deviceId) {
+        return reader->getSensors(deviceId);
+    }
+
+    bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) {
+        return reader->canDispatchToDisplay(deviceId, displayId);
+    }
+
+    bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+                      std::chrono::microseconds samplingPeriod,
+                      std::chrono::microseconds maxBatchReportLatency) {
+        return reader->enableSensor(deviceId, sensorType, samplingPeriod, maxBatchReportLatency);
+    }
+
+    void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+        return reader->disableSensor(deviceId, sensorType);
+    }
+
+    void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+        return reader->flushSensor(deviceId, sensorType);
+    }
+
+    bool setLightColor(int32_t deviceId, int32_t lightId, int32_t color) {
+        return reader->setLightColor(deviceId, lightId, color);
+    }
+
+    bool setLightPlayerId(int32_t deviceId, int32_t lightId, int32_t playerId) {
+        return reader->setLightPlayerId(deviceId, lightId, playerId);
+    }
+
+    std::optional<int32_t> getLightColor(int32_t deviceId, int32_t lightId) {
+        return reader->getLightColor(deviceId, lightId);
+    }
+
+    std::optional<int32_t> getLightPlayerId(int32_t deviceId, int32_t lightId) {
+        return reader->getLightPlayerId(deviceId, lightId);
+    }
+
+    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const {
+        return reader->getKeyCodeForKeyLocation(deviceId, locationKeyCode);
+    }
+
+private:
+    std::unique_ptr<InputReaderInterface> reader;
+};
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+
+    FuzzInputListener fuzzListener;
+    sp<FuzzInputReaderPolicy> fuzzPolicy = sp<FuzzInputReaderPolicy>::make(fdp);
+    std::shared_ptr<FuzzEventHub> fuzzEventHub = std::make_shared<FuzzEventHub>(fdp);
+    std::unique_ptr<FuzzInputReader> reader =
+            std::make_unique<FuzzInputReader>(fuzzEventHub, fuzzPolicy, fuzzListener);
+    size_t patternCount = fdp->ConsumeIntegralInRange<size_t>(1, 260);
+    VibrationSequence pattern(patternCount);
+    for (size_t i = 0; i < patternCount; ++i) {
+        VibrationElement element(i);
+        element.addChannel(fdp->ConsumeIntegral<int32_t>() /* vibratorId */,
+                           fdp->ConsumeIntegral<uint8_t>() /* amplitude */);
+        pattern.addElement(element);
+    }
+    reader->vibrate(fdp->ConsumeIntegral<int32_t>(), pattern,
+                    fdp->ConsumeIntegral<ssize_t>() /*repeat*/,
+                    fdp->ConsumeIntegral<int32_t>() /*token*/);
+    reader->start();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    std::string dump;
+                    reader->dump(dump);
+                },
+                [&]() -> void { reader->monitor(); },
+                [&]() -> void { reader->getInputDevices(); },
+                [&]() -> void { reader->isInputDeviceEnabled(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    reader->getScanCodeState(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<uint32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getKeyCodeState(fdp->ConsumeIntegral<int32_t>(),
+                                            fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getSwitchState(fdp->ConsumeIntegral<int32_t>(),
+                                           fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void { reader->toggleCapsLockState(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    size_t count = fdp->ConsumeIntegralInRange<size_t>(1, 1024);
+                    std::vector<uint8_t> outFlags(count);
+                    std::vector<int32_t> keyCodes;
+                    for (size_t i = 0; i < count; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    reader->hasKeys(fdp->ConsumeIntegral<int32_t>(),
+                                    fdp->ConsumeIntegral<uint32_t>(), keyCodes, outFlags.data());
+                },
+                [&]() -> void {
+                    reader->requestRefreshConfiguration(fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    reader->cancelVibrate(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->canDispatchToDisplay(fdp->ConsumeIntegral<int32_t>(),
+                                                 fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getKeyCodeForKeyLocation(fdp->ConsumeIntegral<int32_t>(),
+                                                     fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void { reader->getBatteryCapacity(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getBatteryStatus(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getBatteryDevicePath(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getLights(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { reader->getSensors(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void {
+                    reader->getLightPlayerId(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->getLightColor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->setLightPlayerId(fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>(),
+                                             fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->setLightColor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    reader->flushSensor(fdp->ConsumeIntegral<int32_t>(),
+                                        fdp->PickValueInArray<InputDeviceSensorType>(
+                                                kInputDeviceSensorType));
+                },
+                [&]() -> void {
+                    reader->disableSensor(fdp->ConsumeIntegral<int32_t>(),
+                                          fdp->PickValueInArray<InputDeviceSensorType>(
+                                                  kInputDeviceSensorType));
+                },
+                [&]() -> void {
+                    reader->enableSensor(fdp->ConsumeIntegral<int32_t>(),
+                                         fdp->PickValueInArray<InputDeviceSensorType>(
+                                                 kInputDeviceSensorType),
+                                         std::chrono::microseconds(fdp->ConsumeIntegral<size_t>()),
+                                         std::chrono::microseconds(fdp->ConsumeIntegral<size_t>()));
+                },
+        })();
+    }
+
+    reader->stop();
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
new file mode 100644
index 0000000..e880f55
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <KeyboardInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+const int32_t kMaxKeycodes = 100;
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("keyboard.orientationAware", "1"); },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.orientationAware",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.doNotWakeByDefault",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("keyboard.handlesKeyRepeat",
+                                    fdp->ConsumeRandomLengthString(100).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    KeyboardInputMapper& mapper =
+            fuzzer.getMapper<KeyboardInputMapper>(fdp->ConsumeIntegral<uint32_t>(),
+                                                  fdp->ConsumeIntegral<int32_t>());
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void {
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    int32_t type, code;
+                    type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                              : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getKeyCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    std::vector<int32_t> keyCodes;
+                    int32_t numBytes = fdp->ConsumeIntegralInRange<int32_t>(0, kMaxKeycodes);
+                    for (int32_t i = 0; i < numBytes; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    mapper.markSupportedKeyCodes(fdp->ConsumeIntegral<uint32_t>(), keyCodes,
+                                                 nullptr);
+                },
+                [&]() -> void { mapper.getMetaState(); },
+                [&]() -> void { mapper.updateMetaState(fdp->ConsumeIntegral<int32_t>()); },
+                [&]() -> void { mapper.getAssociatedDisplayId(); },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp b/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
index 4f066ad..72780fb 100644
--- a/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
+++ b/services/inputflinger/tests/fuzzers/LatencyTrackerFuzzer.cpp
@@ -42,7 +42,7 @@
     if (useExistingToken) {
         return tokens[fdp.ConsumeIntegralInRange<size_t>(0ul, tokens.size() - 1)];
     }
-    return new BBinder();
+    return sp<BBinder>::make();
 }
 
 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
@@ -54,7 +54,7 @@
     // Make some pre-defined tokens to ensure that some timelines are complete.
     std::array<sp<IBinder> /*token*/, 10> predefinedTokens;
     for (size_t i = 0; i < predefinedTokens.size(); i++) {
-        predefinedTokens[i] = new BBinder();
+        predefinedTokens[i] = sp<BBinder>::make();
     }
 
     // Randomly invoke LatencyTracker api's until randomness is exhausted.
diff --git a/services/inputflinger/tests/fuzzers/MapperHelpers.h b/services/inputflinger/tests/fuzzers/MapperHelpers.h
new file mode 100644
index 0000000..bd81761
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/MapperHelpers.h
@@ -0,0 +1,368 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <InputDevice.h>
+#include <InputMapper.h>
+#include <InputReader.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include "android/hardware/input/InputDeviceCountryCode.h"
+
+using android::hardware::input::InputDeviceCountryCode;
+
+constexpr size_t kValidTypes[] = {EV_SW,
+                                  EV_SYN,
+                                  SYN_REPORT,
+                                  EV_ABS,
+                                  EV_KEY,
+                                  EV_MSC,
+                                  EV_REL,
+                                  android::EventHubInterface::DEVICE_ADDED,
+                                  android::EventHubInterface::DEVICE_REMOVED,
+                                  android::EventHubInterface::FINISHED_DEVICE_SCAN};
+
+constexpr size_t kValidCodes[] = {
+        SYN_REPORT,
+        ABS_MT_SLOT,
+        SYN_MT_REPORT,
+        ABS_MT_POSITION_X,
+        ABS_MT_POSITION_Y,
+        ABS_MT_TOUCH_MAJOR,
+        ABS_MT_TOUCH_MINOR,
+        ABS_MT_WIDTH_MAJOR,
+        ABS_MT_WIDTH_MINOR,
+        ABS_MT_ORIENTATION,
+        ABS_MT_TRACKING_ID,
+        ABS_MT_PRESSURE,
+        ABS_MT_DISTANCE,
+        ABS_MT_TOOL_TYPE,
+        SYN_MT_REPORT,
+        MSC_SCAN,
+        REL_X,
+        REL_Y,
+        REL_WHEEL,
+        REL_HWHEEL,
+        BTN_LEFT,
+        BTN_RIGHT,
+        BTN_MIDDLE,
+        BTN_BACK,
+        BTN_SIDE,
+        BTN_FORWARD,
+        BTN_EXTRA,
+        BTN_TASK,
+};
+
+constexpr InputDeviceCountryCode kCountryCodes[] = {
+        InputDeviceCountryCode::INVALID,
+        InputDeviceCountryCode::NOT_SUPPORTED,
+        InputDeviceCountryCode::ARABIC,
+        InputDeviceCountryCode::BELGIAN,
+        InputDeviceCountryCode::CANADIAN_BILINGUAL,
+        InputDeviceCountryCode::CANADIAN_FRENCH,
+        InputDeviceCountryCode::CZECH_REPUBLIC,
+        InputDeviceCountryCode::DANISH,
+        InputDeviceCountryCode::FINNISH,
+        InputDeviceCountryCode::FRENCH,
+        InputDeviceCountryCode::GERMAN,
+        InputDeviceCountryCode::GREEK,
+        InputDeviceCountryCode::HEBREW,
+        InputDeviceCountryCode::HUNGARY,
+        InputDeviceCountryCode::INTERNATIONAL,
+        InputDeviceCountryCode::ITALIAN,
+        InputDeviceCountryCode::JAPAN,
+        InputDeviceCountryCode::KOREAN,
+        InputDeviceCountryCode::LATIN_AMERICAN,
+        InputDeviceCountryCode::DUTCH,
+        InputDeviceCountryCode::NORWEGIAN,
+        InputDeviceCountryCode::PERSIAN,
+        InputDeviceCountryCode::POLAND,
+        InputDeviceCountryCode::PORTUGUESE,
+        InputDeviceCountryCode::RUSSIA,
+        InputDeviceCountryCode::SLOVAKIA,
+        InputDeviceCountryCode::SPANISH,
+        InputDeviceCountryCode::SWEDISH,
+        InputDeviceCountryCode::SWISS_FRENCH,
+        InputDeviceCountryCode::SWISS_GERMAN,
+        InputDeviceCountryCode::SWITZERLAND,
+        InputDeviceCountryCode::TAIWAN,
+        InputDeviceCountryCode::TURKISH_Q,
+        InputDeviceCountryCode::UK,
+        InputDeviceCountryCode::US,
+        InputDeviceCountryCode::YUGOSLAVIA,
+        InputDeviceCountryCode::TURKISH_F,
+};
+
+constexpr size_t kMaxSize = 256;
+
+namespace android {
+
+class FuzzEventHub : public EventHubInterface {
+    InputDeviceIdentifier mIdentifier;
+    std::vector<TouchVideoFrame> mVideoFrames;
+    PropertyMap mFuzzConfig;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzEventHub(std::shared_ptr<FuzzedDataProvider> fdp) : mFdp(std::move(fdp)) {}
+    ~FuzzEventHub() {}
+    void addProperty(std::string key, std::string value) { mFuzzConfig.addProperty(key, value); }
+
+    ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override {
+        return ftl::Flags<InputDeviceClass>(mFdp->ConsumeIntegral<uint32_t>());
+    }
+    InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override {
+        return mIdentifier;
+    }
+    int32_t getDeviceControllerNumber(int32_t deviceId) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const override {
+        *outConfiguration = mFuzzConfig;
+    }
+    status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+                                 RawAbsoluteAxisInfo* outAxisInfo) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    bool hasRelativeAxis(int32_t deviceId, int axis) const override { return mFdp->ConsumeBool(); }
+    bool hasInputProperty(int32_t deviceId, int property) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasMscEvent(int32_t deviceId, int mscEvent) const override { return mFdp->ConsumeBool(); }
+    status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
+                    int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    status_t mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    void setExcludedDevices(const std::vector<std::string>& devices) override {}
+    std::vector<RawEvent> getEvents(int timeoutMillis) override {
+        std::vector<RawEvent> events;
+        const size_t count = mFdp->ConsumeIntegralInRange<size_t>(0, kMaxSize);
+        for (size_t i = 0; i < count; ++i) {
+            int32_t type = mFdp->ConsumeBool() ? mFdp->PickValueInArray(kValidTypes)
+                                               : mFdp->ConsumeIntegral<int32_t>();
+            int32_t code = mFdp->ConsumeBool() ? mFdp->PickValueInArray(kValidCodes)
+                                               : mFdp->ConsumeIntegral<int32_t>();
+            events.push_back({
+                    .when = mFdp->ConsumeIntegral<nsecs_t>(),
+                    .readTime = mFdp->ConsumeIntegral<nsecs_t>(),
+                    .deviceId = mFdp->ConsumeIntegral<int32_t>(),
+                    .type = type,
+                    .code = code,
+                    .value = mFdp->ConsumeIntegral<int32_t>(),
+            });
+        }
+        return events;
+    }
+    std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) override { return mVideoFrames; }
+
+    base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+            int32_t deviceId, int32_t absCode) const override {
+        return base::ResultError("Fuzzer", UNKNOWN_ERROR);
+    };
+    // Raw batteries are sysfs power_supply nodes we found from the EventHub device sysfs node,
+    // containing the raw info of the sysfs node structure.
+    std::vector<int32_t> getRawBatteryIds(int32_t deviceId) const override { return {}; }
+    std::optional<RawBatteryInfo> getRawBatteryInfo(int32_t deviceId,
+                                                    int32_t BatteryId) const override {
+        return std::nullopt;
+    };
+
+    std::vector<int32_t> getRawLightIds(int32_t deviceId) const override { return {}; };
+    std::optional<RawLightInfo> getRawLightInfo(int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    std::optional<int32_t> getLightBrightness(int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    void setLightBrightness(int32_t deviceId, int32_t lightId, int32_t brightness) override{};
+    std::optional<std::unordered_map<LightColor, int32_t>> getLightIntensities(
+            int32_t deviceId, int32_t lightId) const override {
+        return std::nullopt;
+    };
+    void setLightIntensities(int32_t deviceId, int32_t lightId,
+                             std::unordered_map<LightColor, int32_t> intensities) override{};
+
+    InputDeviceCountryCode getCountryCode(int32_t deviceId) const override {
+        return mFdp->PickValueInArray<InputDeviceCountryCode>(kCountryCodes);
+    };
+
+    int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    int32_t getSwitchState(int32_t deviceId, int32_t sw) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    int32_t getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const override {
+        return mFdp->ConsumeIntegral<int32_t>();
+    }
+    status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
+                                  int32_t* outValue) const override {
+        return mFdp->ConsumeIntegral<status_t>();
+    }
+    bool markSupportedKeyCodes(int32_t deviceId, const std::vector<int32_t>& keyCodes,
+                               uint8_t* outFlags) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasScanCode(int32_t deviceId, int32_t scanCode) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasKeyCode(int32_t deviceId, int32_t keyCode) const override {
+        return mFdp->ConsumeBool();
+    }
+    bool hasLed(int32_t deviceId, int32_t led) const override { return mFdp->ConsumeBool(); }
+    void setLedState(int32_t deviceId, int32_t led, bool on) override {}
+    void getVirtualKeyDefinitions(
+            int32_t deviceId, std::vector<VirtualKeyDefinition>& outVirtualKeys) const override {}
+    const std::shared_ptr<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const override {
+        return nullptr;
+    }
+    bool setKeyboardLayoutOverlay(int32_t deviceId, std::shared_ptr<KeyCharacterMap> map) override {
+        return mFdp->ConsumeBool();
+    }
+    void vibrate(int32_t deviceId, const VibrationElement& effect) override {}
+    void cancelVibrate(int32_t deviceId) override {}
+
+    std::vector<int32_t> getVibratorIds(int32_t deviceId) const override { return {}; };
+
+    /* Query battery level. */
+    std::optional<int32_t> getBatteryCapacity(int32_t deviceId, int32_t batteryId) const override {
+        return std::nullopt;
+    };
+
+    /* Query battery status. */
+    std::optional<int32_t> getBatteryStatus(int32_t deviceId, int32_t batteryId) const override {
+        return std::nullopt;
+    };
+
+    void requestReopenDevices() override {}
+    void wake() override {}
+    void dump(std::string& dump) const override {}
+    void monitor() const override {}
+    bool isDeviceEnabled(int32_t deviceId) const override { return mFdp->ConsumeBool(); }
+    status_t enableDevice(int32_t deviceId) override { return mFdp->ConsumeIntegral<status_t>(); }
+    status_t disableDevice(int32_t deviceId) override { return mFdp->ConsumeIntegral<status_t>(); }
+};
+
+class FuzzPointerController : public PointerControllerInterface {
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzPointerController(std::shared_ptr<FuzzedDataProvider> mFdp) : mFdp(mFdp) {}
+    ~FuzzPointerController() {}
+    bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const override {
+        return mFdp->ConsumeBool();
+    }
+    void move(float deltaX, float deltaY) override {}
+    void setButtonState(int32_t buttonState) override {}
+    int32_t getButtonState() const override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void setPosition(float x, float y) override {}
+    void getPosition(float* outX, float* outY) const override {}
+    void fade(Transition transition) override {}
+    void unfade(Transition transition) override {}
+    void setPresentation(Presentation presentation) override {}
+    void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
+                  BitSet32 spotIdBits, int32_t displayId) override {}
+    void clearSpots() override {}
+    int32_t getDisplayId() const override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void setDisplayViewport(const DisplayViewport& displayViewport) override {}
+};
+
+class FuzzInputReaderPolicy : public InputReaderPolicyInterface {
+    TouchAffineTransformation mTransform;
+    std::shared_ptr<FuzzPointerController> mPointerController;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+protected:
+    ~FuzzInputReaderPolicy() {}
+
+public:
+    FuzzInputReaderPolicy(std::shared_ptr<FuzzedDataProvider> mFdp) : mFdp(mFdp) {
+        mPointerController = std::make_shared<FuzzPointerController>(mFdp);
+    }
+    void getReaderConfiguration(InputReaderConfiguration* outConfig) override {}
+    std::shared_ptr<PointerControllerInterface> obtainPointerController(int32_t deviceId) override {
+        return mPointerController;
+    }
+    void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) override {}
+    std::shared_ptr<KeyCharacterMap> getKeyboardLayoutOverlay(
+            const InputDeviceIdentifier& identifier) override {
+        return nullptr;
+    }
+    std::string getDeviceAlias(const InputDeviceIdentifier& identifier) {
+        return mFdp->ConsumeRandomLengthString(32);
+    }
+    TouchAffineTransformation getTouchAffineTransformation(const std::string& inputDeviceDescriptor,
+                                                           int32_t surfaceRotation) override {
+        return mTransform;
+    }
+    void setTouchAffineTransformation(const TouchAffineTransformation t) { mTransform = t; }
+};
+
+class FuzzInputListener : public virtual InputListenerInterface {
+public:
+    void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override {}
+    void notifyKey(const NotifyKeyArgs* args) override {}
+    void notifyMotion(const NotifyMotionArgs* args) override {}
+    void notifySwitch(const NotifySwitchArgs* args) override {}
+    void notifySensor(const NotifySensorArgs* args) override{};
+    void notifyVibratorState(const NotifyVibratorStateArgs* args) override{};
+    void notifyDeviceReset(const NotifyDeviceResetArgs* args) override {}
+    void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override{};
+};
+
+class FuzzInputReaderContext : public InputReaderContext {
+    std::shared_ptr<EventHubInterface> mEventHub;
+    sp<InputReaderPolicyInterface> mPolicy;
+    std::shared_ptr<FuzzedDataProvider> mFdp;
+
+public:
+    FuzzInputReaderContext(std::shared_ptr<EventHubInterface> eventHub,
+                           const sp<InputReaderPolicyInterface>& policy,
+                           InputListenerInterface& listener,
+                           std::shared_ptr<FuzzedDataProvider> mFdp)
+          : mEventHub(eventHub), mPolicy(policy), mFdp(mFdp) {}
+    ~FuzzInputReaderContext() {}
+    void updateGlobalMetaState() override {}
+    int32_t getGlobalMetaState() { return mFdp->ConsumeIntegral<int32_t>(); }
+    void disableVirtualKeysUntil(nsecs_t time) override {}
+    bool shouldDropVirtualKey(nsecs_t now, int32_t keyCode, int32_t scanCode) override {
+        return mFdp->ConsumeBool();
+    }
+    void fadePointer() override {}
+    std::shared_ptr<PointerControllerInterface> getPointerController(int32_t deviceId) override {
+        return mPolicy->obtainPointerController(0);
+    }
+    void requestTimeoutAtTime(nsecs_t when) override {}
+    int32_t bumpGeneration() override { return mFdp->ConsumeIntegral<int32_t>(); }
+    void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) override {}
+    std::list<NotifyArgs> dispatchExternalStylusState(const StylusState& outState) override {
+        return {};
+    }
+    InputReaderPolicyInterface* getPolicy() override { return mPolicy.get(); }
+    EventHubInterface* getEventHub() override { return mEventHub.get(); }
+    int32_t getNextId() override { return mFdp->ConsumeIntegral<int32_t>(); }
+
+    void updateLedMetaState(int32_t metaState) override{};
+    int32_t getLedMetaState() override { return mFdp->ConsumeIntegral<int32_t>(); };
+};
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp
new file mode 100644
index 0000000..99fd083
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/MultiTouchInputFuzzer.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <MultiTouchInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+const int32_t kMaxKeycodes = 100;
+
+static void addProperty(FuzzContainer& fuzzer, std::shared_ptr<FuzzedDataProvider> fdp) {
+    // Pick a random property to set for the mapper to have set.
+    fdp->PickValueInArray<std::function<void()>>(
+            {[&]() -> void { fuzzer.addProperty("touch.deviceType", "touchScreen"); },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.deviceType", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.scale", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.bias", fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.isSummed",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.calibration",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.pressure.scale",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.size.calibration",
+                                    fdp->ConsumeBool() ? "diameter" : "area");
+             },
+             [&]() -> void {
+                 fuzzer.addProperty("touch.pressure.calibration",
+                                    fdp->ConsumeRandomLengthString(8).data());
+             }})();
+}
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    MultiTouchInputMapper& mapper = fuzzer.getMapper<MultiTouchInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void { addProperty(fuzzer, fdp); },
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void {
+                    InputDeviceInfo info;
+                    mapper.populateDeviceInfo(&info);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.configure(fdp->ConsumeIntegral<nsecs_t>(), &policyConfig,
+                                             fdp->ConsumeIntegral<uint32_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused = mapper.reset(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    int32_t type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    int32_t code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getKeyCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                           fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    mapper.getScanCodeState(fdp->ConsumeIntegral<uint32_t>(),
+                                            fdp->ConsumeIntegral<int32_t>());
+                },
+                [&]() -> void {
+                    std::vector<int32_t> keyCodes;
+                    int32_t numBytes = fdp->ConsumeIntegralInRange<int32_t>(0, kMaxKeycodes);
+                    for (int32_t i = 0; i < numBytes; ++i) {
+                        keyCodes.push_back(fdp->ConsumeIntegral<int32_t>());
+                    }
+                    mapper.markSupportedKeyCodes(fdp->ConsumeIntegral<uint32_t>(), keyCodes,
+                                                 nullptr);
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.cancelTouch(fdp->ConsumeIntegral<nsecs_t>(),
+                                               fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    std::list<NotifyArgs> unused =
+                            mapper.timeoutExpired(fdp->ConsumeIntegral<nsecs_t>());
+                },
+                [&]() -> void {
+                    StylusState state{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeFloatingPoint<float>(),
+                                      fdp->ConsumeIntegral<uint32_t>(),
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.updateExternalStylusState(state);
+                },
+                [&]() -> void { mapper.getAssociatedDisplayId(); },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp
new file mode 100644
index 0000000..7416ce9
--- /dev/null
+++ b/services/inputflinger/tests/fuzzers/SwitchInputFuzzer.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <FuzzContainer.h>
+#include <SwitchInputMapper.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+namespace android {
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size) {
+    std::shared_ptr<FuzzedDataProvider> fdp = std::make_shared<FuzzedDataProvider>(data, size);
+    FuzzContainer fuzzer(fdp);
+
+    SwitchInputMapper& mapper = fuzzer.getMapper<SwitchInputMapper>();
+    auto policyConfig = fuzzer.getPolicyConfig();
+
+    // Loop through mapper operations until randomness is exhausted.
+    while (fdp->remaining_bytes() > 0) {
+        fdp->PickValueInArray<std::function<void()>>({
+                [&]() -> void {
+                    std::string dump;
+                    mapper.dump(dump);
+                },
+                [&]() -> void { mapper.getSources(); },
+                [&]() -> void {
+                    int32_t type = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidTypes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    int32_t code = fdp->ConsumeBool() ? fdp->PickValueInArray(kValidCodes)
+                                                      : fdp->ConsumeIntegral<int32_t>();
+                    RawEvent rawEvent{fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<nsecs_t>(),
+                                      fdp->ConsumeIntegral<int32_t>(),
+                                      type,
+                                      code,
+                                      fdp->ConsumeIntegral<int32_t>()};
+                    std::list<NotifyArgs> unused = mapper.process(&rawEvent);
+                },
+                [&]() -> void {
+                    mapper.getSwitchState(fdp->ConsumeIntegral<uint32_t>(),
+                                          fdp->ConsumeIntegral<int32_t>());
+                },
+        })();
+    }
+
+    return 0;
+}
+
+} // namespace android
diff --git a/services/sensorservice/Android.bp b/services/sensorservice/Android.bp
index 3c4f8d9..5ad4815 100644
--- a/services/sensorservice/Android.bp
+++ b/services/sensorservice/Android.bp
@@ -7,7 +7,7 @@
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-cc_library_shared {
+cc_library {
     name: "libsensorservice",
 
     srcs: [
@@ -90,6 +90,12 @@
     afdo: true,
 }
 
+cc_library_headers {
+    name: "libsensorservice_headers",
+    export_include_dirs: ["."],
+    visibility: ["//frameworks/native/services/sensorservice/fuzzer"],
+}
+
 cc_binary {
     name: "sensorservice",
 
diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index de050e0..10ca990 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -39,7 +39,6 @@
 #include <thread>
 
 using namespace android::hardware::sensors;
-using android::hardware::Return;
 using android::util::ProtoOutputStream;
 
 namespace android {
diff --git a/services/sensorservice/SensorDirectConnection.cpp b/services/sensorservice/SensorDirectConnection.cpp
index 2dd12e9..291c770 100644
--- a/services/sensorservice/SensorDirectConnection.cpp
+++ b/services/sensorservice/SensorDirectConnection.cpp
@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-#include "SensorDevice.h"
 #include "SensorDirectConnection.h"
 #include <android/util/ProtoOutputStream.h>
 #include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <hardware/sensors.h>
+#include "SensorDevice.h"
 
 #define UNUSED(x) (void)(x)
 
@@ -51,7 +51,7 @@
     stopAll();
     mService->cleanupConnection(this);
     if (mMem.handle != nullptr) {
-        native_handle_close(mMem.handle);
+        native_handle_close_with_tag(mMem.handle);
         native_handle_delete(const_cast<struct native_handle*>(mMem.handle));
     }
     mDestroyed = true;
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index e0a4f03..21d6b6b 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -16,7 +16,6 @@
 #include <android-base/strings.h>
 #include <android/content/pm/IPackageManagerNative.h>
 #include <android/util/ProtoOutputStream.h>
-#include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <binder/ActivityManager.h>
 #include <binder/BinderService.h>
 #include <binder/IServiceManager.h>
@@ -25,6 +24,7 @@
 #include <cutils/ashmem.h>
 #include <cutils/misc.h>
 #include <cutils/properties.h>
+#include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
 #include <hardware/sensors.h>
 #include <hardware_legacy/power.h>
 #include <log/log.h>
@@ -1475,6 +1475,7 @@
     if (!clone) {
         return nullptr;
     }
+    native_handle_set_fdsan_tag(clone);
 
     sp<SensorDirectConnection> conn;
     SensorDevice& dev(SensorDevice::getInstance());
@@ -1488,7 +1489,7 @@
     }
 
     if (conn == nullptr) {
-        native_handle_close(clone);
+        native_handle_close_with_tag(clone);
         native_handle_delete(clone);
     } else {
         // add to list of direct connections
diff --git a/services/sensorservice/tests/sensorservicetest.cpp b/services/sensorservice/tests/sensorservicetest.cpp
index caf7f03..b00d1a7 100644
--- a/services/sensorservice/tests/sensorservicetest.cpp
+++ b/services/sensorservice/tests/sensorservicetest.cpp
@@ -89,6 +89,17 @@
 
     // Should print -22 (BAD_VALUE) and the device runtime shouldn't restart
     printf("createInvalidDirectChannel=%d\n", ret);
+
+    // Secondary test: correct channel creation & destruction (should print 0)
+    ret = mgr.createDirectChannel(kMemSize, ASENSOR_DIRECT_CHANNEL_TYPE_HARDWARE_BUFFER,
+                                  resourceHandle);
+    printf("createValidDirectChannel=%d\n", ret);
+
+    // Third test: double-destroy (should not crash)
+    mgr.destroyDirectChannel(ret);
+    AHardwareBuffer_release(hardwareBuffer);
+    printf("duplicate destroyDirectChannel...\n");
+    mgr.destroyDirectChannel(ret);
 }
 
 int main() {
diff --git a/services/stats/Android.bp b/services/stats/Android.bp
index 7fea616..7d358e1 100644
--- a/services/stats/Android.bp
+++ b/services/stats/Android.bp
@@ -13,10 +13,13 @@
         "StatsAidl.cpp",
         "StatsHal.cpp",
     ],
-    cflags: ["-Wall", "-Werror"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
     shared_libs: [
         "android.frameworks.stats@1.0",
-        "android.frameworks.stats-V1-ndk",
+        "android.frameworks.stats-V2-ndk",
         "libbinder_ndk",
         "libhidlbase",
         "liblog",
@@ -29,10 +32,12 @@
     ],
     export_shared_lib_headers: [
         "android.frameworks.stats@1.0",
-        "android.frameworks.stats-V1-ndk",
+        "android.frameworks.stats-V2-ndk",
     ],
     local_include_dirs: [
         "include/stats",
     ],
-    vintf_fragments: ["android.frameworks.stats@1.0-service.xml"]
+    vintf_fragments: [
+        "android.frameworks.stats-service.xml",
+    ],
 }
diff --git a/services/stats/StatsAidl.cpp b/services/stats/StatsAidl.cpp
index a3b68f1..3de51a4 100644
--- a/services/stats/StatsAidl.cpp
+++ b/services/stats/StatsAidl.cpp
@@ -62,6 +62,65 @@
                 AStatsEvent_writeString(event,
                     atomValue.get<VendorAtomValue::stringValue>().c_str());
                 break;
+            case VendorAtomValue::boolValue:
+                AStatsEvent_writeBool(event,
+                    atomValue.get<VendorAtomValue::boolValue>());
+                break;
+            case VendorAtomValue::repeatedIntValue: {
+                const std::optional<std::vector<int>>& repeatedIntValue =
+                        atomValue.get<VendorAtomValue::repeatedIntValue>();
+                AStatsEvent_writeInt32Array(event, repeatedIntValue->data(),
+                                            repeatedIntValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedLongValue: {
+                const std::optional<std::vector<int64_t>>& repeatedLongValue =
+                        atomValue.get<VendorAtomValue::repeatedLongValue>();
+                AStatsEvent_writeInt64Array(event, repeatedLongValue->data(),
+                                            repeatedLongValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedFloatValue: {
+                const std::optional<std::vector<float>>& repeatedFloatValue =
+                        atomValue.get<VendorAtomValue::repeatedFloatValue>();
+                AStatsEvent_writeFloatArray(event, repeatedFloatValue->data(),
+                                            repeatedFloatValue->size());
+                break;
+            }
+            case VendorAtomValue::repeatedStringValue: {
+                const std::optional<std::vector<std::optional<std::string>>>& repeatedStringValue =
+                        atomValue.get<VendorAtomValue::repeatedStringValue>();
+                const std::vector<std::optional<std::string>>& repeatedStringVector =
+                        *repeatedStringValue;
+                const char* cStringArray[repeatedStringVector.size()];
+
+                for (int i = 0; i < repeatedStringVector.size(); ++i) {
+                    cStringArray[i] = repeatedStringVector[i]->c_str();
+                }
+
+                AStatsEvent_writeStringArray(event, cStringArray, repeatedStringVector.size());
+                break;
+            }
+            case VendorAtomValue::repeatedBoolValue: {
+                const std::optional<std::vector<bool>>& repeatedBoolValue =
+                        atomValue.get<VendorAtomValue::repeatedBoolValue>();
+                const std::vector<bool>& repeatedBoolVector = *repeatedBoolValue;
+                bool boolArray[repeatedBoolValue->size()];
+
+                for (int i = 0; i < repeatedBoolVector.size(); ++i) {
+                    boolArray[i] = repeatedBoolVector[i];
+                }
+
+                AStatsEvent_writeBoolArray(event, boolArray, repeatedBoolVector.size());
+                break;
+            }
+            case VendorAtomValue::byteArrayValue: {
+                const std::optional<std::vector<uint8_t>>& byteArrayValue =
+                        atomValue.get<VendorAtomValue::byteArrayValue>();
+
+                AStatsEvent_writeByteArray(event, byteArrayValue->data(), byteArrayValue->size());
+                break;
+            }
         }
     }
     AStatsEvent_build(event);
diff --git a/services/stats/android.frameworks.stats@1.0-service.xml b/services/stats/android.frameworks.stats-service.xml
similarity index 93%
rename from services/stats/android.frameworks.stats@1.0-service.xml
rename to services/stats/android.frameworks.stats-service.xml
index c564b7b..7e2635e 100644
--- a/services/stats/android.frameworks.stats@1.0-service.xml
+++ b/services/stats/android.frameworks.stats-service.xml
@@ -11,7 +11,7 @@
 
     <hal format="aidl">
         <name>android.frameworks.stats</name>
-        <version>1</version>
+        <version>2</version>
         <fqname>IStats/default</fqname>
     </hal>
 </manifest>
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index cbb95f9..b911ae7 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -18,12 +18,14 @@
         "-Wunused",
         "-Wunreachable-code",
         "-Wconversion",
+        "-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
     ],
 }
 
 cc_defaults {
     name: "libsurfaceflinger_defaults",
     defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
         "surfaceflinger_defaults",
         "skia_renderengine_deps",
     ],
@@ -45,7 +47,6 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.3",
         "android.hardware.power-V2-cpp",
@@ -105,7 +106,6 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.3",
         "libhidlbase",
         "libtimestats",
@@ -141,21 +141,16 @@
     name: "libsurfaceflinger_sources",
     srcs: [
         "BackgroundExecutor.cpp",
-        "BufferLayer.cpp",
-        "BufferLayerConsumer.cpp",
-        "BufferQueueLayer.cpp",
-        "BufferStateLayer.cpp",
-        "ClientCache.cpp",
         "Client.cpp",
-        "EffectLayer.cpp",
-        "ContainerLayer.cpp",
+        "ClientCache.cpp",
+        "Display/DisplaySnapshot.cpp",
         "DisplayDevice.cpp",
         "DisplayHardware/AidlComposerHal.cpp",
-        "DisplayHardware/HidlComposerHal.cpp",
         "DisplayHardware/ComposerHal.cpp",
         "DisplayHardware/FramebufferSurface.cpp",
         "DisplayHardware/HWC2.cpp",
         "DisplayHardware/HWComposer.cpp",
+        "DisplayHardware/HidlComposerHal.cpp",
         "DisplayHardware/PowerAdvisor.cpp",
         "DisplayHardware/VirtualDisplaySurface.cpp",
         "DisplayRenderArea.cpp",
@@ -166,13 +161,12 @@
         "FrameTracer/FrameTracer.cpp",
         "FrameTracker.cpp",
         "HdrLayerInfoReporter.cpp",
+        "HwcSlotGenerator.cpp",
         "WindowInfosListenerInvoker.cpp",
         "Layer.cpp",
         "LayerProtoHelper.cpp",
-        "LayerRejecter.cpp",
         "LayerRenderArea.cpp",
         "LayerVector.cpp",
-        "MonitoredProducer.cpp",
         "NativeWindowSurface.cpp",
         "RefreshRateOverlay.cpp",
         "RegionSamplingThread.cpp",
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
deleted file mode 100644
index d9c89cd..0000000
--- a/services/surfaceflinger/BufferLayer.cpp
+++ /dev/null
@@ -1,814 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-//#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "BufferLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "BufferLayer.h"
-
-#include <compositionengine/CompositionEngine.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <compositionengine/OutputLayer.h>
-#include <compositionengine/impl/OutputLayerCompositionState.h>
-#include <cutils/compiler.h>
-#include <cutils/native_handle.h>
-#include <cutils/properties.h>
-#include <gui/BufferItem.h>
-#include <gui/BufferQueue.h>
-#include <gui/GLConsumer.h>
-#include <gui/LayerDebugInfo.h>
-#include <gui/Surface.h>
-#include <renderengine/RenderEngine.h>
-#include <ui/DebugUtils.h>
-#include <utils/Errors.h>
-#include <utils/Log.h>
-#include <utils/NativeHandle.h>
-#include <utils/StopWatch.h>
-#include <utils/Trace.h>
-
-#include <cmath>
-#include <cstdlib>
-#include <mutex>
-#include <sstream>
-
-#include "Colorizer.h"
-#include "DisplayDevice.h"
-#include "FrameTracer/FrameTracer.h"
-#include "LayerRejecter.h"
-#include "TimeStats/TimeStats.h"
-
-namespace android {
-
-using gui::WindowInfo;
-
-static constexpr float defaultMaxLuminance = 1000.0;
-
-BufferLayer::BufferLayer(const LayerCreationArgs& args)
-      : Layer(args),
-        mTextureName(args.textureName),
-        mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {
-    ALOGV("Creating Layer %s", getDebugName());
-
-    mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
-
-    mPotentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
-    mProtectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
-}
-
-BufferLayer::~BufferLayer() {
-    if (!isClone()) {
-        // The original layer and the clone layer share the same texture. Therefore, only one of
-        // the layers, in this case the original layer, needs to handle the deletion. The original
-        // layer and the clone should be removed at the same time so there shouldn't be any issue
-        // with the clone layer trying to use the deleted texture.
-        mFlinger->deleteTextureAsync(mTextureName);
-    }
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->onDestroy(layerId);
-    mFlinger->mFrameTracer->onDestroy(layerId);
-}
-
-void BufferLayer::useSurfaceDamage() {
-    if (mFlinger->mForceFullDamage) {
-        surfaceDamageRegion = Region::INVALID_REGION;
-    } else {
-        surfaceDamageRegion = mBufferInfo.mSurfaceDamage;
-    }
-}
-
-void BufferLayer::useEmptyDamage() {
-    surfaceDamageRegion.clear();
-}
-
-bool BufferLayer::isOpaque(const Layer::State& s) const {
-    // if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
-    // layer's opaque flag.
-    if ((mSidebandStream == nullptr) && (mBufferInfo.mBuffer == nullptr)) {
-        return false;
-    }
-
-    // if the layer has the opaque flag, then we're always opaque,
-    // otherwise we use the current buffer's format.
-    return ((s.flags & layer_state_t::eLayerOpaque) != 0) || getOpacityForFormat(getPixelFormat());
-}
-
-bool BufferLayer::canReceiveInput() const {
-    return !isHiddenByPolicy() && (mBufferInfo.mBuffer == nullptr || getAlpha() > 0.0f);
-}
-
-bool BufferLayer::isVisible() const {
-    return !isHiddenByPolicy() && getAlpha() > 0.0f &&
-            (mBufferInfo.mBuffer != nullptr || mSidebandStream != nullptr);
-}
-
-bool BufferLayer::isFixedSize() const {
-    return getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE;
-}
-
-bool BufferLayer::usesSourceCrop() const {
-    return true;
-}
-
-static constexpr mat4 inverseOrientation(uint32_t transform) {
-    const mat4 flipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-    const mat4 flipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
-    const mat4 rot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-    mat4 tr;
-
-    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        tr = tr * rot90;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
-        tr = tr * flipH;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
-        tr = tr * flipV;
-    }
-    return inverse(tr);
-}
-
-std::optional<compositionengine::LayerFE::LayerSettings> BufferLayer::prepareClientComposition(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    ATRACE_CALL();
-
-    std::optional<compositionengine::LayerFE::LayerSettings> result =
-            Layer::prepareClientComposition(targetSettings);
-    if (!result) {
-        return result;
-    }
-
-    if (CC_UNLIKELY(mBufferInfo.mBuffer == 0) && mSidebandStream != nullptr) {
-        // For surfaceview of tv sideband, there is no activeBuffer
-        // in bufferqueue, we need return LayerSettings.
-        return result;
-    }
-    const bool blackOutLayer = (isProtected() && !targetSettings.supportsProtectedContent) ||
-            ((isSecure() || isProtected()) && !targetSettings.isSecure);
-    const bool bufferCanBeUsedAsHwTexture =
-            mBufferInfo.mBuffer->getUsage() & GraphicBuffer::USAGE_HW_TEXTURE;
-    compositionengine::LayerFE::LayerSettings& layer = *result;
-    if (blackOutLayer || !bufferCanBeUsedAsHwTexture) {
-        ALOGE_IF(!bufferCanBeUsedAsHwTexture, "%s is blacked out as buffer is not gpu readable",
-                 mName.c_str());
-        prepareClearClientComposition(layer, true /* blackout */);
-        return layer;
-    }
-
-    const State& s(getDrawingState());
-    layer.source.buffer.buffer = mBufferInfo.mBuffer;
-    layer.source.buffer.isOpaque = isOpaque(s);
-    layer.source.buffer.fence = mBufferInfo.mFence;
-    layer.source.buffer.textureName = mTextureName;
-    layer.source.buffer.usePremultipliedAlpha = getPremultipledAlpha();
-    layer.source.buffer.isY410BT2020 = isHdrY410();
-    bool hasSmpte2086 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::SMPTE2086;
-    bool hasCta861_3 = mBufferInfo.mHdrMetadata.validTypes & HdrMetadata::CTA861_3;
-    float maxLuminance = 0.f;
-    if (hasSmpte2086 && hasCta861_3) {
-        maxLuminance = std::min(mBufferInfo.mHdrMetadata.smpte2086.maxLuminance,
-                                mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel);
-    } else if (hasSmpte2086) {
-        maxLuminance = mBufferInfo.mHdrMetadata.smpte2086.maxLuminance;
-    } else if (hasCta861_3) {
-        maxLuminance = mBufferInfo.mHdrMetadata.cta8613.maxContentLightLevel;
-    } else {
-        switch (layer.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) {
-            case HAL_DATASPACE_TRANSFER_ST2084:
-            case HAL_DATASPACE_TRANSFER_HLG:
-                // Behavior-match previous releases for HDR content
-                maxLuminance = defaultMaxLuminance;
-                break;
-        }
-    }
-    layer.source.buffer.maxLuminanceNits = maxLuminance;
-    layer.frameNumber = mCurrentFrameNumber;
-    layer.bufferId = mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getId() : 0;
-
-    const bool useFiltering =
-            targetSettings.needsFiltering || mNeedsFiltering || bufferNeedsFiltering();
-
-    // Query the texture matrix given our current filtering mode.
-    float textureMatrix[16];
-    getDrawingTransformMatrix(useFiltering, textureMatrix);
-
-    if (getTransformToDisplayInverse()) {
-        /*
-         * the code below applies the primary display's inverse transform to
-         * the texture transform
-         */
-        uint32_t transform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        mat4 tr = inverseOrientation(transform);
-
-        /**
-         * TODO(b/36727915): This is basically a hack.
-         *
-         * Ensure that regardless of the parent transformation,
-         * this buffer is always transformed from native display
-         * orientation to display orientation. For example, in the case
-         * of a camera where the buffer remains in native orientation,
-         * we want the pixels to always be upright.
-         */
-        sp<Layer> p = mDrawingParent.promote();
-        if (p != nullptr) {
-            const auto parentTransform = p->getTransform();
-            tr = tr * inverseOrientation(parentTransform.getOrientation());
-        }
-
-        // and finally apply it to the original texture matrix
-        const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
-        memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
-    }
-
-    const Rect win{getBounds()};
-    float bufferWidth = getBufferSize(s).getWidth();
-    float bufferHeight = getBufferSize(s).getHeight();
-
-    // BufferStateLayers can have a "buffer size" of [0, 0, -1, -1] when no display frame has
-    // been set and there is no parent layer bounds. In that case, the scale is meaningless so
-    // ignore them.
-    if (!getBufferSize(s).isValid()) {
-        bufferWidth = float(win.right) - float(win.left);
-        bufferHeight = float(win.bottom) - float(win.top);
-    }
-
-    const float scaleHeight = (float(win.bottom) - float(win.top)) / bufferHeight;
-    const float scaleWidth = (float(win.right) - float(win.left)) / bufferWidth;
-    const float translateY = float(win.top) / bufferHeight;
-    const float translateX = float(win.left) / bufferWidth;
-
-    // Flip y-coordinates because GLConsumer expects OpenGL convention.
-    mat4 tr = mat4::translate(vec4(.5, .5, 0, 1)) * mat4::scale(vec4(1, -1, 1, 1)) *
-            mat4::translate(vec4(-.5, -.5, 0, 1)) *
-            mat4::translate(vec4(translateX, translateY, 0, 1)) *
-            mat4::scale(vec4(scaleWidth, scaleHeight, 1.0, 1.0));
-
-    layer.source.buffer.useTextureFiltering = useFiltering;
-    layer.source.buffer.textureTransform = mat4(static_cast<const float*>(textureMatrix)) * tr;
-
-    return layer;
-}
-
-bool BufferLayer::isHdrY410() const {
-    // pixel format is HDR Y410 masquerading as RGBA_1010102
-    return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
-            mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
-            mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
-}
-
-sp<compositionengine::LayerFE> BufferLayer::getCompositionEngineLayerFE() const {
-    return asLayerFE();
-}
-
-compositionengine::LayerFECompositionState* BufferLayer::editCompositionState() {
-    return mCompositionState.get();
-}
-
-const compositionengine::LayerFECompositionState* BufferLayer::getCompositionState() const {
-    return mCompositionState.get();
-}
-
-void BufferLayer::preparePerFrameCompositionState() {
-    Layer::preparePerFrameCompositionState();
-
-    // Sideband layers
-    auto* compositionState = editCompositionState();
-    if (compositionState->sidebandStream.get() && !compositionState->sidebandStreamHasFrame) {
-        compositionState->compositionType =
-                aidl::android::hardware::graphics::composer3::Composition::SIDEBAND;
-        return;
-    } else if ((mDrawingState.flags & layer_state_t::eLayerIsDisplayDecoration) != 0) {
-        compositionState->compositionType =
-                aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION;
-    } else {
-        // Normal buffer layers
-        compositionState->hdrMetadata = mBufferInfo.mHdrMetadata;
-        compositionState->compositionType = mPotentialCursor
-                ? aidl::android::hardware::graphics::composer3::Composition::CURSOR
-                : aidl::android::hardware::graphics::composer3::Composition::DEVICE;
-    }
-
-    compositionState->buffer = getBuffer();
-    compositionState->bufferSlot = (mBufferInfo.mBufferSlot == BufferQueue::INVALID_BUFFER_SLOT)
-            ? 0
-            : mBufferInfo.mBufferSlot;
-    compositionState->acquireFence = mBufferInfo.mFence;
-    compositionState->frameNumber = mBufferInfo.mFrameNumber;
-    compositionState->sidebandStreamHasFrame = false;
-}
-
-bool BufferLayer::onPreComposition(nsecs_t) {
-    return hasReadyFrame();
-}
-namespace {
-TimeStats::SetFrameRateVote frameRateToSetFrameRateVotePayload(Layer::FrameRate frameRate) {
-    using FrameRateCompatibility = TimeStats::SetFrameRateVote::FrameRateCompatibility;
-    using Seamlessness = TimeStats::SetFrameRateVote::Seamlessness;
-    const auto frameRateCompatibility = [frameRate] {
-        switch (frameRate.type) {
-            case Layer::FrameRateCompatibility::Default:
-                return FrameRateCompatibility::Default;
-            case Layer::FrameRateCompatibility::ExactOrMultiple:
-                return FrameRateCompatibility::ExactOrMultiple;
-            default:
-                return FrameRateCompatibility::Undefined;
-        }
-    }();
-
-    const auto seamlessness = [frameRate] {
-        switch (frameRate.seamlessness) {
-            case scheduler::Seamlessness::OnlySeamless:
-                return Seamlessness::ShouldBeSeamless;
-            case scheduler::Seamlessness::SeamedAndSeamless:
-                return Seamlessness::NotRequired;
-            default:
-                return Seamlessness::Undefined;
-        }
-    }();
-
-    return TimeStats::SetFrameRateVote{.frameRate = frameRate.rate.getValue(),
-                                       .frameRateCompatibility = frameRateCompatibility,
-                                       .seamlessness = seamlessness};
-}
-} // namespace
-
-void BufferLayer::onPostComposition(const DisplayDevice* display,
-                                    const std::shared_ptr<FenceTime>& glDoneFence,
-                                    const std::shared_ptr<FenceTime>& presentFence,
-                                    const CompositorTiming& compositorTiming) {
-    // mFrameLatencyNeeded is true when a new frame was latched for the
-    // composition.
-    if (!mBufferInfo.mFrameLatencyNeeded) return;
-
-    // Update mFrameEventHistory.
-    finalizeFrameEventHistory(glDoneFence, compositorTiming);
-
-    // Update mFrameTracker.
-    nsecs_t desiredPresentTime = mBufferInfo.mDesiredPresentTime;
-    mFrameTracker.setDesiredPresentTime(desiredPresentTime);
-
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->setDesiredTime(layerId, mCurrentFrameNumber, desiredPresentTime);
-
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer && outputLayer->requiresClientComposition()) {
-        nsecs_t clientCompositionTimestamp = outputLayer->getState().clientCompositionTimestamp;
-        mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(), mCurrentFrameNumber,
-                                               clientCompositionTimestamp,
-                                               FrameTracer::FrameEvent::FALLBACK_COMPOSITION);
-        // Update the SurfaceFrames in the drawing state
-        if (mDrawingState.bufferSurfaceFrameTX) {
-            mDrawingState.bufferSurfaceFrameTX->setGpuComposition();
-        }
-        for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
-            surfaceFrame->setGpuComposition();
-        }
-    }
-
-    std::shared_ptr<FenceTime> frameReadyFence = mBufferInfo.mFenceTime;
-    if (frameReadyFence->isValid()) {
-        mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));
-    } else {
-        // There was no fence for this frame, so assume that it was ready
-        // to be presented at the desired present time.
-        mFrameTracker.setFrameReadyTime(desiredPresentTime);
-    }
-
-    if (display) {
-        const Fps refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
-        const std::optional<Fps> renderRate =
-                mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
-
-        const auto vote = frameRateToSetFrameRateVotePayload(mDrawingState.frameRate);
-        const auto gameMode = getGameMode();
-
-        if (presentFence->isValid()) {
-            mFlinger->mTimeStats->setPresentFence(layerId, mCurrentFrameNumber, presentFence,
-                                                  refreshRate, renderRate, vote, gameMode);
-            mFlinger->mFrameTracer->traceFence(layerId, getCurrentBufferId(), mCurrentFrameNumber,
-                                               presentFence,
-                                               FrameTracer::FrameEvent::PRESENT_FENCE);
-            mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));
-        } else if (const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-                   displayId && mFlinger->getHwComposer().isConnected(*displayId)) {
-            // The HWC doesn't support present fences, so use the refresh
-            // timestamp instead.
-            const nsecs_t actualPresentTime = display->getRefreshTimestamp();
-            mFlinger->mTimeStats->setPresentTime(layerId, mCurrentFrameNumber, actualPresentTime,
-                                                 refreshRate, renderRate, vote, gameMode);
-            mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(),
-                                                   mCurrentFrameNumber, actualPresentTime,
-                                                   FrameTracer::FrameEvent::PRESENT_FENCE);
-            mFrameTracker.setActualPresentTime(actualPresentTime);
-        }
-    }
-
-    mFrameTracker.advanceFrame();
-    mBufferInfo.mFrameLatencyNeeded = false;
-}
-
-void BufferLayer::gatherBufferInfo() {
-    mBufferInfo.mPixelFormat =
-            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->getPixelFormat();
-    mBufferInfo.mFrameLatencyNeeded = true;
-}
-
-bool BufferLayer::shouldPresentNow(nsecs_t expectedPresentTime) const {
-    // If this is not a valid vsync for the layer's uid, return and try again later
-    const bool isVsyncValidForUid =
-            mFlinger->mScheduler->isVsyncValid(expectedPresentTime, mOwnerUid);
-    if (!isVsyncValidForUid) {
-        ATRACE_NAME("!isVsyncValidForUid");
-        return false;
-    }
-
-    // AutoRefresh layers and sideband streams should always be presented
-    if (getSidebandStreamChanged() || getAutoRefresh()) {
-        return true;
-    }
-
-    // If this layer doesn't have a frame is shouldn't be presented
-    if (!hasFrameUpdate()) {
-        return false;
-    }
-
-    // Defer to the derived class to decide whether the next buffer is due for
-    // presentation.
-    return isBufferDue(expectedPresentTime);
-}
-
-bool BufferLayer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                              nsecs_t expectedPresentTime) {
-    ATRACE_CALL();
-
-    bool refreshRequired = latchSidebandStream(recomputeVisibleRegions);
-
-    if (refreshRequired) {
-        return refreshRequired;
-    }
-
-    // If the head buffer's acquire fence hasn't signaled yet, return and
-    // try again later
-    if (!fenceHasSignaled()) {
-        ATRACE_NAME("!fenceHasSignaled()");
-        mFlinger->onLayerUpdate();
-        return false;
-    }
-
-    // Capture the old state of the layer for comparisons later
-    const State& s(getDrawingState());
-    const bool oldOpacity = isOpaque(s);
-
-    BufferInfo oldBufferInfo = mBufferInfo;
-
-    status_t err = updateTexImage(recomputeVisibleRegions, latchTime, expectedPresentTime);
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    err = updateActiveBuffer();
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    err = updateFrameNumber();
-    if (err != NO_ERROR) {
-        return false;
-    }
-
-    gatherBufferInfo();
-
-    if (oldBufferInfo.mBuffer == nullptr) {
-        // the first time we receive a buffer, we need to trigger a
-        // geometry invalidation.
-        recomputeVisibleRegions = true;
-    }
-
-    if ((mBufferInfo.mCrop != oldBufferInfo.mCrop) ||
-        (mBufferInfo.mTransform != oldBufferInfo.mTransform) ||
-        (mBufferInfo.mScaleMode != oldBufferInfo.mScaleMode) ||
-        (mBufferInfo.mTransformToDisplayInverse != oldBufferInfo.mTransformToDisplayInverse)) {
-        recomputeVisibleRegions = true;
-    }
-
-    if (oldBufferInfo.mBuffer != nullptr) {
-        uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-        uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-        if (bufWidth != oldBufferInfo.mBuffer->getWidth() ||
-            bufHeight != oldBufferInfo.mBuffer->getHeight()) {
-            recomputeVisibleRegions = true;
-        }
-    }
-
-    if (oldOpacity != isOpaque(s)) {
-        recomputeVisibleRegions = true;
-    }
-
-    return true;
-}
-
-bool BufferLayer::hasReadyFrame() const {
-    return hasFrameUpdate() || getSidebandStreamChanged() || getAutoRefresh();
-}
-
-uint32_t BufferLayer::getEffectiveScalingMode() const {
-    return mBufferInfo.mScaleMode;
-}
-
-bool BufferLayer::isProtected() const {
-    return (mBufferInfo.mBuffer != nullptr) &&
-            (mBufferInfo.mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
-}
-
-// As documented in libhardware header, formats in the range
-// 0x100 - 0x1FF are specific to the HAL implementation, and
-// are known to have no alpha channel
-// TODO: move definition for device-specific range into
-// hardware.h, instead of using hard-coded values here.
-#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
-
-bool BufferLayer::getOpacityForFormat(PixelFormat format) {
-    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
-        return true;
-    }
-    switch (format) {
-        case PIXEL_FORMAT_RGBA_8888:
-        case PIXEL_FORMAT_BGRA_8888:
-        case PIXEL_FORMAT_RGBA_FP16:
-        case PIXEL_FORMAT_RGBA_1010102:
-        case PIXEL_FORMAT_R_8:
-            return false;
-    }
-    // in all other case, we have no blending (also for unknown formats)
-    return true;
-}
-
-bool BufferLayer::needsFiltering(const DisplayDevice* display) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer == nullptr) {
-        return false;
-    }
-
-    // We need filtering if the sourceCrop rectangle size does not match the
-    // displayframe rectangle size (not a 1:1 render)
-    const auto& compositionState = outputLayer->getState();
-    const auto displayFrame = compositionState.displayFrame;
-    const auto sourceCrop = compositionState.sourceCrop;
-    return sourceCrop.getHeight() != displayFrame.getHeight() ||
-            sourceCrop.getWidth() != displayFrame.getWidth();
-}
-
-bool BufferLayer::needsFilteringForScreenshots(const DisplayDevice* display,
-                                               const ui::Transform& inverseParentTransform) const {
-    const auto outputLayer = findOutputLayerForDisplay(display);
-    if (outputLayer == nullptr) {
-        return false;
-    }
-
-    // We need filtering if the sourceCrop rectangle size does not match the
-    // viewport rectangle size (not a 1:1 render)
-    const auto& compositionState = outputLayer->getState();
-    const ui::Transform& displayTransform = display->getTransform();
-    const ui::Transform inverseTransform = inverseParentTransform * displayTransform.inverse();
-    // Undo the transformation of the displayFrame so that we're back into
-    // layer-stack space.
-    const Rect frame = inverseTransform.transform(compositionState.displayFrame);
-    const FloatRect sourceCrop = compositionState.sourceCrop;
-
-    int32_t frameHeight = frame.getHeight();
-    int32_t frameWidth = frame.getWidth();
-    // If the display transform had a rotational component then undo the
-    // rotation so that the orientation matches the source crop.
-    if (displayTransform.getOrientation() & ui::Transform::ROT_90) {
-        std::swap(frameHeight, frameWidth);
-    }
-    return sourceCrop.getHeight() != frameHeight || sourceCrop.getWidth() != frameWidth;
-}
-
-Rect BufferLayer::getBufferSize(const State& s) const {
-    // If we have a sideband stream, or we are scaling the buffer then return the layer size since
-    // we cannot determine the buffer size.
-    if ((s.sidebandStream != nullptr) ||
-        (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
-        return Rect(getActiveWidth(s), getActiveHeight(s));
-    }
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return Rect::INVALID_RECT;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return Rect(bufWidth, bufHeight);
-}
-
-FloatRect BufferLayer::computeSourceBounds(const FloatRect& parentBounds) const {
-    const State& s(getDrawingState());
-
-    // If we have a sideband stream, or we are scaling the buffer then return the layer size since
-    // we cannot determine the buffer size.
-    if ((s.sidebandStream != nullptr) ||
-        (getEffectiveScalingMode() != NATIVE_WINDOW_SCALING_MODE_FREEZE)) {
-        return FloatRect(0, 0, getActiveWidth(s), getActiveHeight(s));
-    }
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return parentBounds;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return FloatRect(0, 0, bufWidth, bufHeight);
-}
-
-void BufferLayer::latchAndReleaseBuffer() {
-    if (hasReadyFrame()) {
-        bool ignored = false;
-        latchBuffer(ignored, systemTime(), 0 /* expectedPresentTime */);
-    }
-    releasePendingBuffer(systemTime());
-}
-
-PixelFormat BufferLayer::getPixelFormat() const {
-    return mBufferInfo.mPixelFormat;
-}
-
-bool BufferLayer::getTransformToDisplayInverse() const {
-    return mBufferInfo.mTransformToDisplayInverse;
-}
-
-Rect BufferLayer::getBufferCrop() const {
-    // this is the crop rectangle that applies to the buffer
-    // itself (as opposed to the window)
-    if (!mBufferInfo.mCrop.isEmpty()) {
-        // if the buffer crop is defined, we use that
-        return mBufferInfo.mCrop;
-    } else if (mBufferInfo.mBuffer != nullptr) {
-        // otherwise we use the whole buffer
-        return mBufferInfo.mBuffer->getBounds();
-    } else {
-        // if we don't have a buffer yet, we use an empty/invalid crop
-        return Rect();
-    }
-}
-
-uint32_t BufferLayer::getBufferTransform() const {
-    return mBufferInfo.mTransform;
-}
-
-ui::Dataspace BufferLayer::getDataSpace() const {
-    return mBufferInfo.mDataspace;
-}
-
-ui::Dataspace BufferLayer::translateDataspace(ui::Dataspace dataspace) {
-    ui::Dataspace updatedDataspace = dataspace;
-    // translate legacy dataspaces to modern dataspaces
-    switch (dataspace) {
-        case ui::Dataspace::SRGB:
-            updatedDataspace = ui::Dataspace::V0_SRGB;
-            break;
-        case ui::Dataspace::SRGB_LINEAR:
-            updatedDataspace = ui::Dataspace::V0_SRGB_LINEAR;
-            break;
-        case ui::Dataspace::JFIF:
-            updatedDataspace = ui::Dataspace::V0_JFIF;
-            break;
-        case ui::Dataspace::BT601_625:
-            updatedDataspace = ui::Dataspace::V0_BT601_625;
-            break;
-        case ui::Dataspace::BT601_525:
-            updatedDataspace = ui::Dataspace::V0_BT601_525;
-            break;
-        case ui::Dataspace::BT709:
-            updatedDataspace = ui::Dataspace::V0_BT709;
-            break;
-        default:
-            break;
-    }
-
-    return updatedDataspace;
-}
-
-sp<GraphicBuffer> BufferLayer::getBuffer() const {
-    return mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer() : nullptr;
-}
-
-void BufferLayer::getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]) {
-    GLConsumer::computeTransformMatrix(outMatrix,
-                                       mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer()
-                                                           : nullptr,
-                                       mBufferInfo.mCrop, mBufferInfo.mTransform, filteringEnabled);
-}
-
-void BufferLayer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
-    Layer::setInitialValuesForClone(clonedFrom);
-
-    sp<BufferLayer> bufferClonedFrom = static_cast<BufferLayer*>(clonedFrom.get());
-    mPremultipliedAlpha = bufferClonedFrom->mPremultipliedAlpha;
-    mPotentialCursor = bufferClonedFrom->mPotentialCursor;
-    mProtectedByApp = bufferClonedFrom->mProtectedByApp;
-
-    updateCloneBufferInfo();
-}
-
-void BufferLayer::updateCloneBufferInfo() {
-    if (!isClone() || !isClonedFromAlive()) {
-        return;
-    }
-
-    sp<BufferLayer> clonedFrom = static_cast<BufferLayer*>(getClonedFrom().get());
-    mBufferInfo = clonedFrom->mBufferInfo;
-    mSidebandStream = clonedFrom->mSidebandStream;
-    surfaceDamageRegion = clonedFrom->surfaceDamageRegion;
-    mCurrentFrameNumber = clonedFrom->mCurrentFrameNumber.load();
-    mPreviousFrameNumber = clonedFrom->mPreviousFrameNumber;
-
-    // After buffer info is updated, the drawingState from the real layer needs to be copied into
-    // the cloned. This is because some properties of drawingState can change when latchBuffer is
-    // called. However, copying the drawingState would also overwrite the cloned layer's relatives
-    // and touchableRegionCrop. Therefore, temporarily store the relatives so they can be set in
-    // the cloned drawingState again.
-    wp<Layer> tmpZOrderRelativeOf = mDrawingState.zOrderRelativeOf;
-    SortedVector<wp<Layer>> tmpZOrderRelatives = mDrawingState.zOrderRelatives;
-    wp<Layer> tmpTouchableRegionCrop = mDrawingState.touchableRegionCrop;
-    WindowInfo tmpInputInfo = mDrawingState.inputInfo;
-
-    cloneDrawingState(clonedFrom.get());
-
-    mDrawingState.touchableRegionCrop = tmpTouchableRegionCrop;
-    mDrawingState.zOrderRelativeOf = tmpZOrderRelativeOf;
-    mDrawingState.zOrderRelatives = tmpZOrderRelatives;
-    mDrawingState.inputInfo = tmpInputInfo;
-}
-
-void BufferLayer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
-    mTransformHint = getFixedTransformHint();
-    if (mTransformHint == ui::Transform::ROT_INVALID) {
-        mTransformHint = displayTransformHint;
-    }
-}
-
-bool BufferLayer::bufferNeedsFiltering() const {
-    return isFixedSize();
-}
-
-const std::shared_ptr<renderengine::ExternalTexture>& BufferLayer::getExternalTexture() const {
-    return mBufferInfo.mBuffer;
-}
-
-} // namespace android
-
-#if defined(__gl_h_)
-#error "don't include gl/gl.h in this file"
-#endif
-
-#if defined(__gl2_h_)
-#error "don't include gl2/gl2.h in this file"
-#endif
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
deleted file mode 100644
index 4c70eb5..0000000
--- a/services/surfaceflinger/BufferLayer.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <sys/types.h>
-#include <cstdint>
-#include <list>
-
-#include <gui/ISurfaceComposerClient.h>
-#include <gui/LayerState.h>
-#include <renderengine/Image.h>
-#include <renderengine/Mesh.h>
-#include <renderengine/Texture.h>
-#include <system/window.h> // For NATIVE_WINDOW_SCALING_MODE_FREEZE
-#include <ui/FrameStats.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/PixelFormat.h>
-#include <ui/Region.h>
-#include <utils/RefBase.h>
-#include <utils/String8.h>
-#include <utils/Timers.h>
-
-#include "BufferLayerConsumer.h"
-#include "Client.h"
-#include "DisplayHardware/HWComposer.h"
-#include "FrameTimeline.h"
-#include "FrameTracker.h"
-#include "Layer.h"
-#include "LayerVector.h"
-#include "MonitoredProducer.h"
-#include "SurfaceFlinger.h"
-
-namespace android {
-
-class BufferLayer : public Layer {
-public:
-    explicit BufferLayer(const LayerCreationArgs& args);
-    virtual ~BufferLayer() override;
-
-    // Implements Layer.
-    sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const override;
-    compositionengine::LayerFECompositionState* editCompositionState() override;
-
-    // If we have received a new buffer this frame, we will pass its surface
-    // damage down to hardware composer. Otherwise, we must send a region with
-    // one empty rect.
-    void useSurfaceDamage() override;
-    void useEmptyDamage() override;
-
-    bool isOpaque(const Layer::State& s) const override;
-    bool canReceiveInput() const override;
-
-    // isVisible - true if this layer is visible, false otherwise
-    bool isVisible() const override;
-
-    // isProtected - true if the layer may contain protected content in the
-    // GRALLOC_USAGE_PROTECTED sense.
-    bool isProtected() const override;
-
-    // isFixedSize - true if content has a fixed size
-    bool isFixedSize() const override;
-
-    bool usesSourceCrop() const override;
-
-    bool isHdrY410() const override;
-
-    void onPostComposition(const DisplayDevice*, const std::shared_ptr<FenceTime>& glDoneFence,
-                           const std::shared_ptr<FenceTime>& presentFence,
-                           const CompositorTiming&) override;
-
-    // latchBuffer - called each time the screen is redrawn and returns whether
-    // the visible regions need to be recomputed (this is a fairly heavy
-    // operation, so this should be set only if needed). Typically this is used
-    // to figure out if the content or size of a surface has changed.
-    bool latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                     nsecs_t expectedPresentTime) override;
-    bool hasReadyFrame() const override;
-
-    // Returns the current scaling mode
-    uint32_t getEffectiveScalingMode() const override;
-
-    // Calls latchBuffer if the buffer has a frame queued and then releases the buffer.
-    // This is used if the buffer is just latched and releases to free up the buffer
-    // and will not be shown on screen.
-    // Should only be called on the main thread.
-    void latchAndReleaseBuffer() override;
-
-    bool getTransformToDisplayInverse() const override;
-
-    Rect getBufferCrop() const override;
-
-    uint32_t getBufferTransform() const override;
-
-    ui::Dataspace getDataSpace() const override;
-
-    sp<GraphicBuffer> getBuffer() const override;
-    const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const override;
-
-    ui::Transform::RotationFlags getTransformHint() const override { return mTransformHint; }
-
-    // Returns true if the transformed buffer size does not match the layer size and we need
-    // to apply filtering.
-    virtual bool bufferNeedsFiltering() const;
-
-protected:
-    struct BufferInfo {
-        nsecs_t mDesiredPresentTime;
-        std::shared_ptr<FenceTime> mFenceTime;
-        sp<Fence> mFence;
-        uint32_t mTransform{0};
-        ui::Dataspace mDataspace{ui::Dataspace::UNKNOWN};
-        Rect mCrop;
-        uint32_t mScaleMode{NATIVE_WINDOW_SCALING_MODE_FREEZE};
-        Region mSurfaceDamage;
-        HdrMetadata mHdrMetadata;
-        int mApi;
-        PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
-        bool mTransformToDisplayInverse{false};
-
-        std::shared_ptr<renderengine::ExternalTexture> mBuffer;
-        uint64_t mFrameNumber;
-        int mBufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
-
-        bool mFrameLatencyNeeded{false};
-    };
-
-    BufferInfo mBufferInfo;
-    virtual void gatherBufferInfo() = 0;
-
-    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&) override;
-
-    /*
-     * compositionengine::LayerFE overrides
-     */
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    bool onPreComposition(nsecs_t) override;
-    void preparePerFrameCompositionState() override;
-
-    static bool getOpacityForFormat(PixelFormat format);
-
-    // from graphics API
-    const uint32_t mTextureName;
-    ui::Dataspace translateDataspace(ui::Dataspace dataspace);
-    void setInitialValuesForClone(const sp<Layer>& clonedFrom);
-    void updateCloneBufferInfo() override;
-    uint64_t mPreviousFrameNumber = 0;
-
-    void setTransformHint(ui::Transform::RotationFlags displayTransformHint) override;
-
-    // Transform hint provided to the producer. This must be accessed holding
-    // the mStateLock.
-    ui::Transform::RotationFlags mTransformHint = ui::Transform::ROT_0;
-
-    bool getAutoRefresh() const { return mDrawingState.autoRefresh; }
-    bool getSidebandStreamChanged() const { return mSidebandStreamChanged; }
-
-    // Returns true if the next buffer should be presented at the expected present time
-    bool shouldPresentNow(nsecs_t expectedPresentTime) const;
-
-    // Returns true if the next buffer should be presented at the expected present time,
-    // overridden by BufferStateLayer and BufferQueueLayer for implementation
-    // specific logic
-    virtual bool isBufferDue(nsecs_t /*expectedPresentTime*/) const = 0;
-
-    std::atomic<bool> mSidebandStreamChanged{false};
-
-private:
-    virtual bool fenceHasSignaled() const = 0;
-    virtual bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const = 0;
-
-    // Latch sideband stream and returns true if the dirty region should be updated.
-    virtual bool latchSidebandStream(bool& recomputeVisibleRegions) = 0;
-
-    virtual bool hasFrameUpdate() const = 0;
-
-    virtual status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                                    nsecs_t expectedPresentTime) = 0;
-
-    virtual status_t updateActiveBuffer() = 0;
-    virtual status_t updateFrameNumber() = 0;
-
-    // We generate InputWindowHandles for all non-cursor buffered layers regardless of whether they
-    // have an InputChannel. This is to enable the InputDispatcher to do PID based occlusion
-    // detection.
-    bool needsInputInfo() const override { return !mPotentialCursor; }
-
-    // Returns true if this layer requires filtering
-    bool needsFiltering(const DisplayDevice*) const override;
-    bool needsFilteringForScreenshots(const DisplayDevice*,
-                                      const ui::Transform& inverseParentTransform) const override;
-
-    // BufferStateLayers can return Rect::INVALID_RECT if the layer does not have a display frame
-    // and its parent layer is not bounded
-    Rect getBufferSize(const State& s) const override;
-
-    PixelFormat getPixelFormat() const;
-
-    // Computes the transform matrix using the setFilteringEnabled to determine whether the
-    // transform matrix should be computed for use with bilinear filtering.
-    void getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]);
-
-    std::unique_ptr<compositionengine::LayerFECompositionState> mCompositionState;
-
-    FloatRect computeSourceBounds(const FloatRect& parentBounds) const override;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
deleted file mode 100644
index 7361a4f..0000000
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#undef LOG_TAG
-#define LOG_TAG "BufferLayerConsumer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "BufferLayerConsumer.h"
-#include "Layer.h"
-#include "Scheduler/VsyncController.h"
-
-#include <inttypes.h>
-
-#include <cutils/compiler.h>
-
-#include <hardware/hardware.h>
-
-#include <math/mat4.h>
-
-#include <gui/BufferItem.h>
-#include <gui/GLConsumer.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/SurfaceComposerClient.h>
-#include <private/gui/ComposerService.h>
-#include <renderengine/RenderEngine.h>
-#include <renderengine/impl/ExternalTexture.h>
-#include <utils/Log.h>
-#include <utils/String8.h>
-#include <utils/Trace.h>
-
-namespace android {
-
-// Macros for including the BufferLayerConsumer name in log messages
-#define BLC_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
-//#define BLC_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define BLC_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__)
-
-static const mat4 mtxIdentity;
-
-BufferLayerConsumer::BufferLayerConsumer(const sp<IGraphicBufferConsumer>& bq,
-                                         renderengine::RenderEngine& engine, uint32_t tex,
-                                         Layer* layer)
-      : ConsumerBase(bq, false),
-        mCurrentCrop(Rect::EMPTY_RECT),
-        mCurrentTransform(0),
-        mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-        mCurrentFence(Fence::NO_FENCE),
-        mCurrentTimestamp(0),
-        mCurrentDataSpace(ui::Dataspace::UNKNOWN),
-        mCurrentFrameNumber(0),
-        mCurrentTransformToDisplayInverse(false),
-        mCurrentSurfaceDamage(),
-        mCurrentApi(0),
-        mDefaultWidth(1),
-        mDefaultHeight(1),
-        mFilteringEnabled(true),
-        mRE(engine),
-        mTexName(tex),
-        mLayer(layer),
-        mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT) {
-    BLC_LOGV("BufferLayerConsumer");
-
-    memcpy(mCurrentTransformMatrix, mtxIdentity.asArray(), sizeof(mCurrentTransformMatrix));
-
-    mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
-}
-
-status_t BufferLayerConsumer::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        BLC_LOGE("setDefaultBufferSize: BufferLayerConsumer is abandoned!");
-        return NO_INIT;
-    }
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return mConsumer->setDefaultBufferSize(w, h);
-}
-
-void BufferLayerConsumer::setContentsChangedListener(const wp<ContentsChangedListener>& listener) {
-    setFrameAvailableListener(listener);
-    Mutex::Autolock lock(mMutex);
-    mContentsChangedListener = listener;
-}
-
-status_t BufferLayerConsumer::updateTexImage(BufferRejecter* rejecter, nsecs_t expectedPresentTime,
-                                             bool* autoRefresh, bool* queuedBuffer,
-                                             uint64_t maxFrameNumber) {
-    ATRACE_CALL();
-    BLC_LOGV("updateTexImage");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        BLC_LOGE("updateTexImage: BufferLayerConsumer is abandoned!");
-        return NO_INIT;
-    }
-
-    BufferItem item;
-
-    // Acquire the next buffer.
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    status_t err = acquireBufferLocked(&item, expectedPresentTime, maxFrameNumber);
-    if (err != NO_ERROR) {
-        if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
-            err = NO_ERROR;
-        } else if (err == BufferQueue::PRESENT_LATER) {
-            // return the error, without logging
-        } else {
-            BLC_LOGE("updateTexImage: acquire failed: %s (%d)", strerror(-err), err);
-        }
-        return err;
-    }
-
-    if (autoRefresh) {
-        *autoRefresh = item.mAutoRefresh;
-    }
-
-    if (queuedBuffer) {
-        *queuedBuffer = item.mQueuedBuffer;
-    }
-
-    // We call the rejecter here, in case the caller has a reason to
-    // not accept this buffer.  This is used by SurfaceFlinger to
-    // reject buffers which have the wrong size
-    int slot = item.mSlot;
-    if (rejecter && rejecter->reject(mSlots[slot].mGraphicBuffer, item)) {
-        releaseBufferLocked(slot, mSlots[slot].mGraphicBuffer);
-        return BUFFER_REJECTED;
-    }
-
-    // Release the previous buffer.
-    err = updateAndReleaseLocked(item, &mPendingRelease);
-    if (err != NO_ERROR) {
-        return err;
-    }
-    return err;
-}
-
-void BufferLayerConsumer::setReleaseFence(const sp<Fence>& fence) {
-    if (!fence->isValid()) {
-        return;
-    }
-
-    auto slot = mPendingRelease.isPending ? mPendingRelease.currentTexture : mCurrentTexture;
-    if (slot == BufferQueue::INVALID_BUFFER_SLOT) {
-        return;
-    }
-
-    auto buffer = mPendingRelease.isPending ? mPendingRelease.graphicBuffer
-                                            : mCurrentTextureBuffer->getBuffer();
-    auto err = addReleaseFence(slot, buffer, fence);
-    if (err != OK) {
-        BLC_LOGE("setReleaseFence: failed to add the fence: %s (%d)", strerror(-err), err);
-    }
-}
-
-bool BufferLayerConsumer::releasePendingBuffer() {
-    if (!mPendingRelease.isPending) {
-        BLC_LOGV("Pending buffer already released");
-        return false;
-    }
-    BLC_LOGV("Releasing pending buffer");
-    Mutex::Autolock lock(mMutex);
-    status_t result =
-            releaseBufferLocked(mPendingRelease.currentTexture, mPendingRelease.graphicBuffer);
-    if (result < NO_ERROR) {
-        BLC_LOGE("releasePendingBuffer failed: %s (%d)", strerror(-result), result);
-    }
-    mPendingRelease = PendingRelease();
-    return true;
-}
-
-sp<Fence> BufferLayerConsumer::getPrevFinalReleaseFence() const {
-    Mutex::Autolock lock(mMutex);
-    return ConsumerBase::mPrevFinalReleaseFence;
-}
-
-status_t BufferLayerConsumer::acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                                  uint64_t maxFrameNumber) {
-    status_t err = ConsumerBase::acquireBufferLocked(item, presentWhen, maxFrameNumber);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    // If item->mGraphicBuffer is not null, this buffer has not been acquired
-    // before, so we need to clean up old references.
-    if (item->mGraphicBuffer != nullptr) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        if (mImages[item->mSlot] == nullptr || mImages[item->mSlot]->getBuffer() == nullptr ||
-            mImages[item->mSlot]->getBuffer()->getId() != item->mGraphicBuffer->getId()) {
-            mImages[item->mSlot] = std::make_shared<
-                    renderengine::impl::ExternalTexture>(item->mGraphicBuffer, mRE,
-                                                         renderengine::impl::ExternalTexture::
-                                                                 Usage::READABLE);
-        }
-    }
-
-    return NO_ERROR;
-}
-
-status_t BufferLayerConsumer::updateAndReleaseLocked(const BufferItem& item,
-                                                     PendingRelease* pendingRelease) {
-    status_t err = NO_ERROR;
-
-    int slot = item.mSlot;
-
-    BLC_LOGV("updateAndRelease: (slot=%d buf=%p) -> (slot=%d buf=%p)", mCurrentTexture,
-             (mCurrentTextureBuffer != nullptr && mCurrentTextureBuffer->getBuffer() != nullptr)
-                     ? mCurrentTextureBuffer->getBuffer()->handle
-                     : 0,
-             slot, mSlots[slot].mGraphicBuffer->handle);
-
-    // Hang onto the pointer so that it isn't freed in the call to
-    // releaseBufferLocked() if we're in shared buffer mode and both buffers are
-    // the same.
-
-    std::shared_ptr<renderengine::ExternalTexture> nextTextureBuffer;
-    {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        nextTextureBuffer = mImages[slot];
-    }
-
-    // release old buffer
-    if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        if (pendingRelease == nullptr) {
-            status_t status =
-                    releaseBufferLocked(mCurrentTexture, mCurrentTextureBuffer->getBuffer());
-            if (status < NO_ERROR) {
-                BLC_LOGE("updateAndRelease: failed to release buffer: %s (%d)", strerror(-status),
-                         status);
-                err = status;
-                // keep going, with error raised [?]
-            }
-        } else {
-            pendingRelease->currentTexture = mCurrentTexture;
-            pendingRelease->graphicBuffer = mCurrentTextureBuffer->getBuffer();
-            pendingRelease->isPending = true;
-        }
-    }
-
-    // Update the BufferLayerConsumer state.
-    mCurrentTexture = slot;
-    mCurrentTextureBuffer = nextTextureBuffer;
-    mCurrentCrop = item.mCrop;
-    mCurrentTransform = item.mTransform;
-    mCurrentScalingMode = item.mScalingMode;
-    mCurrentTimestamp = item.mTimestamp;
-    mCurrentDataSpace = static_cast<ui::Dataspace>(item.mDataSpace);
-    mCurrentHdrMetadata = item.mHdrMetadata;
-    mCurrentFence = item.mFence;
-    mCurrentFenceTime = item.mFenceTime;
-    mCurrentFrameNumber = item.mFrameNumber;
-    mCurrentTransformToDisplayInverse = item.mTransformToDisplayInverse;
-    mCurrentSurfaceDamage = item.mSurfaceDamage;
-    mCurrentApi = item.mApi;
-
-    computeCurrentTransformMatrixLocked();
-
-    return err;
-}
-
-void BufferLayerConsumer::getTransformMatrix(float mtx[16]) {
-    Mutex::Autolock lock(mMutex);
-    memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix));
-}
-
-void BufferLayerConsumer::setFilteringEnabled(bool enabled) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        BLC_LOGE("setFilteringEnabled: BufferLayerConsumer is abandoned!");
-        return;
-    }
-    bool needsRecompute = mFilteringEnabled != enabled;
-    mFilteringEnabled = enabled;
-
-    if (needsRecompute && mCurrentTextureBuffer == nullptr) {
-        BLC_LOGD("setFilteringEnabled called with mCurrentTextureBuffer == nullptr");
-    }
-
-    if (needsRecompute && mCurrentTextureBuffer != nullptr) {
-        computeCurrentTransformMatrixLocked();
-    }
-}
-
-void BufferLayerConsumer::computeCurrentTransformMatrixLocked() {
-    BLC_LOGV("computeCurrentTransformMatrixLocked");
-    if (mCurrentTextureBuffer == nullptr || mCurrentTextureBuffer->getBuffer() == nullptr) {
-        BLC_LOGD("computeCurrentTransformMatrixLocked: "
-                 "mCurrentTextureBuffer is nullptr");
-    }
-    GLConsumer::computeTransformMatrix(mCurrentTransformMatrix,
-                                       mCurrentTextureBuffer == nullptr
-                                               ? nullptr
-                                               : mCurrentTextureBuffer->getBuffer(),
-                                       getCurrentCropLocked(), mCurrentTransform,
-                                       mFilteringEnabled);
-}
-
-nsecs_t BufferLayerConsumer::getTimestamp() {
-    BLC_LOGV("getTimestamp");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTimestamp;
-}
-
-ui::Dataspace BufferLayerConsumer::getCurrentDataSpace() {
-    BLC_LOGV("getCurrentDataSpace");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentDataSpace;
-}
-
-const HdrMetadata& BufferLayerConsumer::getCurrentHdrMetadata() const {
-    BLC_LOGV("getCurrentHdrMetadata");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentHdrMetadata;
-}
-
-uint64_t BufferLayerConsumer::getFrameNumber() {
-    BLC_LOGV("getFrameNumber");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFrameNumber;
-}
-
-bool BufferLayerConsumer::getTransformToDisplayInverse() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTransformToDisplayInverse;
-}
-
-const Region& BufferLayerConsumer::getSurfaceDamage() const {
-    return mCurrentSurfaceDamage;
-}
-
-void BufferLayerConsumer::mergeSurfaceDamage(const Region& damage) {
-    if (damage.bounds() == Rect::INVALID_RECT ||
-        mCurrentSurfaceDamage.bounds() == Rect::INVALID_RECT) {
-        mCurrentSurfaceDamage = Region::INVALID_REGION;
-    } else {
-        mCurrentSurfaceDamage |= damage;
-    }
-}
-
-int BufferLayerConsumer::getCurrentApi() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentApi;
-}
-
-std::shared_ptr<renderengine::ExternalTexture> BufferLayerConsumer::getCurrentBuffer(
-        int* outSlot, sp<Fence>* outFence) const {
-    Mutex::Autolock lock(mMutex);
-
-    if (outSlot != nullptr) {
-        *outSlot = mCurrentTexture;
-    }
-
-    if (outFence != nullptr) {
-        *outFence = mCurrentFence;
-    }
-
-    return mCurrentTextureBuffer == nullptr ? nullptr : mCurrentTextureBuffer;
-}
-
-Rect BufferLayerConsumer::getCurrentCrop() const {
-    Mutex::Autolock lock(mMutex);
-    return getCurrentCropLocked();
-}
-
-Rect BufferLayerConsumer::getCurrentCropLocked() const {
-    uint32_t width = mDefaultWidth;
-    uint32_t height = mDefaultHeight;
-    // If the buffer comes with a rotated bit for 90 (or 270) degrees, switch width/height in order
-    // to scale and crop correctly.
-    if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        width = mDefaultHeight;
-        height = mDefaultWidth;
-    }
-
-    return (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP)
-            ? GLConsumer::scaleDownCrop(mCurrentCrop, width, height)
-            : mCurrentCrop;
-}
-
-uint32_t BufferLayerConsumer::getCurrentTransform() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTransform;
-}
-
-uint32_t BufferLayerConsumer::getCurrentScalingMode() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentScalingMode;
-}
-
-sp<Fence> BufferLayerConsumer::getCurrentFence() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFence;
-}
-
-std::shared_ptr<FenceTime> BufferLayerConsumer::getCurrentFenceTime() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFenceTime;
-}
-
-void BufferLayerConsumer::freeBufferLocked(int slotIndex) {
-    BLC_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    std::lock_guard<std::mutex> lock(mImagesMutex);
-    if (slotIndex == mCurrentTexture) {
-        mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
-    }
-    mImages[slotIndex] = nullptr;
-    ConsumerBase::freeBufferLocked(slotIndex);
-}
-
-void BufferLayerConsumer::onDisconnect() {
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        // Nothing to do if we're already abandoned.
-        return;
-    }
-
-    mLayer->onDisconnect();
-}
-
-void BufferLayerConsumer::onSidebandStreamChanged() {
-    [[maybe_unused]] FrameAvailableListener* unsafeFrameAvailableListener = nullptr;
-    {
-        Mutex::Autolock lock(mFrameAvailableMutex);
-        unsafeFrameAvailableListener = mFrameAvailableListener.unsafe_get();
-    }
-    sp<ContentsChangedListener> listener;
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-        ALOG_ASSERT(unsafeFrameAvailableListener == mContentsChangedListener.unsafe_get());
-        listener = mContentsChangedListener.promote();
-    }
-
-    if (listener != nullptr) {
-        listener->onSidebandStreamChanged();
-    }
-}
-
-void BufferLayerConsumer::onBufferAvailable(const BufferItem& item) {
-    if (item.mGraphicBuffer != nullptr && item.mSlot != BufferQueue::INVALID_BUFFER_SLOT) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        const std::shared_ptr<renderengine::ExternalTexture>& oldImage = mImages[item.mSlot];
-        if (oldImage == nullptr || oldImage->getBuffer() == nullptr ||
-            oldImage->getBuffer()->getId() != item.mGraphicBuffer->getId()) {
-            mImages[item.mSlot] = std::make_shared<
-                    renderengine::impl::ExternalTexture>(item.mGraphicBuffer, mRE,
-                                                         renderengine::impl::ExternalTexture::
-                                                                 Usage::READABLE);
-        }
-    }
-}
-
-void BufferLayerConsumer::abandonLocked() {
-    BLC_LOGV("abandonLocked");
-    mCurrentTextureBuffer = nullptr;
-    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-        std::lock_guard<std::mutex> lock(mImagesMutex);
-        mImages[i] = nullptr;
-    }
-    ConsumerBase::abandonLocked();
-}
-
-status_t BufferLayerConsumer::setConsumerUsageBits(uint64_t usage) {
-    return ConsumerBase::setConsumerUsageBits(usage | DEFAULT_USAGE_FLAGS);
-}
-
-void BufferLayerConsumer::dumpLocked(String8& result, const char* prefix) const {
-    result.appendFormat("%smTexName=%d mCurrentTexture=%d\n"
-                        "%smCurrentCrop=[%d,%d,%d,%d] mCurrentTransform=%#x\n",
-                        prefix, mTexName, mCurrentTexture, prefix, mCurrentCrop.left,
-                        mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom,
-                        mCurrentTransform);
-
-    ConsumerBase::dumpLocked(result, prefix);
-}
-}; // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferLayerConsumer.h b/services/surfaceflinger/BufferLayerConsumer.h
deleted file mode 100644
index 23ad2a3..0000000
--- a/services/surfaceflinger/BufferLayerConsumer.h
+++ /dev/null
@@ -1,354 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_BUFFERLAYERCONSUMER_H
-#define ANDROID_BUFFERLAYERCONSUMER_H
-
-#include <android-base/thread_annotations.h>
-#include <gui/BufferQueueDefs.h>
-#include <gui/ConsumerBase.h>
-#include <gui/HdrMetadata.h>
-#include <renderengine/ExternalTexture.h>
-#include <ui/FenceTime.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/GraphicTypes.h>
-#include <ui/Region.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class Layer;
-class String8;
-
-namespace renderengine {
-class RenderEngine;
-} // namespace renderengine
-
-/*
- * BufferLayerConsumer consumes buffers of graphics data from a BufferQueue,
- * and makes them available to RenderEngine as a texture.
- *
- * A typical usage pattern is to call updateTexImage() when a new frame is
- * desired.  If a new frame is available, the frame is latched.  If not, the
- * previous contents are retained.  The texture is attached and updated after
- * bindTextureImage() is called.
- *
- * All calls to updateTexImage must be made with RenderEngine being current.
- * The texture is attached to the TEXTURE_EXTERNAL texture target.
- */
-class BufferLayerConsumer : public ConsumerBase {
-public:
-    static const status_t BUFFER_REJECTED = UNKNOWN_ERROR + 8;
-
-    class BufferRejecter {
-        friend class BufferLayerConsumer;
-        virtual bool reject(const sp<GraphicBuffer>& buf, const BufferItem& item) = 0;
-
-    protected:
-        virtual ~BufferRejecter() {}
-    };
-
-    struct ContentsChangedListener : public FrameAvailableListener {
-        virtual void onSidebandStreamChanged() = 0;
-    };
-
-    // BufferLayerConsumer constructs a new BufferLayerConsumer object.  The
-    // tex parameter indicates the name of the RenderEngine texture to which
-    // images are to be streamed.
-    BufferLayerConsumer(const sp<IGraphicBufferConsumer>& bq, renderengine::RenderEngine& engine,
-                        uint32_t tex, Layer* layer);
-
-    // Sets the contents changed listener. This should be used instead of
-    // ConsumerBase::setFrameAvailableListener().
-    void setContentsChangedListener(const wp<ContentsChangedListener>& listener);
-
-    // updateTexImage acquires the most recently queued buffer, and sets the
-    // image contents of the target texture to it.
-    //
-    // This call may only be made while RenderEngine is current.
-    //
-    // This calls doFenceWait to ensure proper synchronization unless native
-    // fence is supported.
-    //
-    // Unlike the GLConsumer version, this version takes a functor that may be
-    // used to reject the newly acquired buffer.  It also does not bind the
-    // RenderEngine texture until bindTextureImage is called.
-    status_t updateTexImage(BufferRejecter* rejecter, nsecs_t expectedPresentTime,
-                            bool* autoRefresh, bool* queuedBuffer, uint64_t maxFrameNumber);
-
-    // setReleaseFence stores a fence that will signal when the current buffer
-    // is no longer being read. This fence will be returned to the producer
-    // when the current buffer is released by updateTexImage(). Multiple
-    // fences can be set for a given buffer; they will be merged into a single
-    // union fence.
-    void setReleaseFence(const sp<Fence>& fence);
-
-    bool releasePendingBuffer();
-
-    sp<Fence> getPrevFinalReleaseFence() const;
-
-    // See GLConsumer::getTransformMatrix.
-    void getTransformMatrix(float mtx[16]);
-
-    // getTimestamp retrieves the timestamp associated with the texture image
-    // set by the most recent call to updateTexImage.
-    //
-    // The timestamp is in nanoseconds, and is monotonically increasing. Its
-    // other semantics (zero point, etc) are source-dependent and should be
-    // documented by the source.
-    int64_t getTimestamp();
-
-    // getDataSpace retrieves the DataSpace associated with the texture image
-    // set by the most recent call to updateTexImage.
-    ui::Dataspace getCurrentDataSpace();
-
-    // getCurrentHdrMetadata retrieves the HDR metadata associated with the
-    // texture image set by the most recent call to updateTexImage.
-    const HdrMetadata& getCurrentHdrMetadata() const;
-
-    // getFrameNumber retrieves the frame number associated with the texture
-    // image set by the most recent call to updateTexImage.
-    //
-    // The frame number is an incrementing counter set to 0 at the creation of
-    // the BufferQueue associated with this consumer.
-    uint64_t getFrameNumber();
-
-    bool getTransformToDisplayInverse() const;
-
-    // must be called from SF main thread
-    const Region& getSurfaceDamage() const;
-
-    // Merge the given damage region into the current damage region value.
-    void mergeSurfaceDamage(const Region& damage);
-
-    // getCurrentApi retrieves the API which queues the current buffer.
-    int getCurrentApi() const;
-
-    // See GLConsumer::setDefaultBufferSize.
-    status_t setDefaultBufferSize(uint32_t width, uint32_t height);
-
-    // setFilteringEnabled sets whether the transform matrix should be computed
-    // for use with bilinear filtering.
-    void setFilteringEnabled(bool enabled);
-
-    // getCurrentBuffer returns the buffer associated with the current image.
-    // When outSlot is not nullptr, the current buffer slot index is also
-    // returned. Simiarly, when outFence is not nullptr, the current output
-    // fence is returned.
-    std::shared_ptr<renderengine::ExternalTexture> getCurrentBuffer(
-            int* outSlot = nullptr, sp<Fence>* outFence = nullptr) const;
-
-    // getCurrentCrop returns the cropping rectangle of the current buffer.
-    Rect getCurrentCrop() const;
-
-    // getCurrentTransform returns the transform of the current buffer.
-    uint32_t getCurrentTransform() const;
-
-    // getCurrentScalingMode returns the scaling mode of the current buffer.
-    uint32_t getCurrentScalingMode() const;
-
-    // getCurrentFence returns the fence indicating when the current buffer is
-    // ready to be read from.
-    sp<Fence> getCurrentFence() const;
-
-    // getCurrentFence returns the FenceTime indicating when the current
-    // buffer is ready to be read from.
-    std::shared_ptr<FenceTime> getCurrentFenceTime() const;
-
-    // setConsumerUsageBits overrides the ConsumerBase method to OR
-    // DEFAULT_USAGE_FLAGS to usage.
-    status_t setConsumerUsageBits(uint64_t usage);
-    void onBufferAvailable(const BufferItem& item) EXCLUDES(mImagesMutex);
-
-protected:
-    // abandonLocked overrides the ConsumerBase method to clear
-    // mCurrentTextureImage in addition to the ConsumerBase behavior.
-    virtual void abandonLocked() EXCLUDES(mImagesMutex);
-
-    // dumpLocked overrides the ConsumerBase method to dump BufferLayerConsumer-
-    // specific info in addition to the ConsumerBase behavior.
-    virtual void dumpLocked(String8& result, const char* prefix) const;
-
-    // See ConsumerBase::acquireBufferLocked
-    virtual status_t acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                         uint64_t maxFrameNumber = 0) override
-            EXCLUDES(mImagesMutex);
-
-    bool canUseImageCrop(const Rect& crop) const;
-
-    struct PendingRelease {
-        PendingRelease() : isPending(false), currentTexture(-1), graphicBuffer() {}
-
-        bool isPending;
-        int currentTexture;
-        sp<GraphicBuffer> graphicBuffer;
-    };
-
-    // This releases the buffer in the slot referenced by mCurrentTexture,
-    // then updates state to refer to the BufferItem, which must be a
-    // newly-acquired buffer. If pendingRelease is not null, the parameters
-    // which would have been passed to releaseBufferLocked upon the successful
-    // completion of the method will instead be returned to the caller, so that
-    // it may call releaseBufferLocked itself later.
-    status_t updateAndReleaseLocked(const BufferItem& item,
-                                    PendingRelease* pendingRelease = nullptr)
-            EXCLUDES(mImagesMutex);
-
-private:
-    // Utility class for managing GraphicBuffer references into renderengine
-    class Image {
-    public:
-        Image(const sp<GraphicBuffer>& graphicBuffer, renderengine::RenderEngine& engine);
-        virtual ~Image();
-        const sp<GraphicBuffer>& graphicBuffer() { return mGraphicBuffer; }
-
-    private:
-        // mGraphicBuffer is the buffer that was used to create this image.
-        sp<GraphicBuffer> mGraphicBuffer;
-        // Back-reference into renderengine to initiate cleanup.
-        renderengine::RenderEngine& mRE;
-        DISALLOW_COPY_AND_ASSIGN(Image);
-    };
-
-    // freeBufferLocked frees up the given buffer slot. If the slot has been
-    // initialized this will release the reference to the GraphicBuffer in
-    // that slot.  Otherwise it has no effect.
-    //
-    // This method must be called with mMutex locked.
-    virtual void freeBufferLocked(int slotIndex) EXCLUDES(mImagesMutex);
-
-    // IConsumerListener interface
-    void onDisconnect() override;
-    void onSidebandStreamChanged() override;
-    void addAndGetFrameTimestamps(const NewFrameEventsEntry*, FrameEventHistoryDelta*) override {}
-
-    // computeCurrentTransformMatrixLocked computes the transform matrix for the
-    // current texture.  It uses mCurrentTransform and the current GraphicBuffer
-    // to compute this matrix and stores it in mCurrentTransformMatrix.
-    // mCurrentTextureImage must not be nullptr.
-    void computeCurrentTransformMatrixLocked();
-
-    // getCurrentCropLocked returns the cropping rectangle of the current buffer.
-    Rect getCurrentCropLocked() const;
-
-    // The default consumer usage flags that BufferLayerConsumer always sets on its
-    // BufferQueue instance; these will be OR:d with any additional flags passed
-    // from the BufferLayerConsumer user. In particular, BufferLayerConsumer will always
-    // consume buffers as hardware textures.
-    static const uint64_t DEFAULT_USAGE_FLAGS = GraphicBuffer::USAGE_HW_TEXTURE;
-
-    // mCurrentTextureBuffer is the buffer containing the current texture. It's
-    // possible that this buffer is not associated with any buffer slot, so we
-    // must track it separately in order to support the getCurrentBuffer method.
-    std::shared_ptr<renderengine::ExternalTexture> mCurrentTextureBuffer;
-
-    // mCurrentCrop is the crop rectangle that applies to the current texture.
-    // It gets set each time updateTexImage is called.
-    Rect mCurrentCrop;
-
-    // mCurrentTransform is the transform identifier for the current texture. It
-    // gets set each time updateTexImage is called.
-    uint32_t mCurrentTransform;
-
-    // mCurrentScalingMode is the scaling mode for the current texture. It gets
-    // set each time updateTexImage is called.
-    uint32_t mCurrentScalingMode;
-
-    // mCurrentFence is the fence received from BufferQueue in updateTexImage.
-    sp<Fence> mCurrentFence;
-
-    // The FenceTime wrapper around mCurrentFence.
-    std::shared_ptr<FenceTime> mCurrentFenceTime{FenceTime::NO_FENCE};
-
-    // mCurrentTransformMatrix is the transform matrix for the current texture.
-    // It gets computed by computeTransformMatrix each time updateTexImage is
-    // called.
-    float mCurrentTransformMatrix[16];
-
-    // mCurrentTimestamp is the timestamp for the current texture. It
-    // gets set each time updateTexImage is called.
-    int64_t mCurrentTimestamp;
-
-    // mCurrentDataSpace is the dataspace for the current texture. It
-    // gets set each time updateTexImage is called.
-    ui::Dataspace mCurrentDataSpace;
-
-    // mCurrentHdrMetadata is the HDR metadata for the current texture. It
-    // gets set each time updateTexImage is called.
-    HdrMetadata mCurrentHdrMetadata;
-
-    // mCurrentFrameNumber is the frame counter for the current texture.
-    // It gets set each time updateTexImage is called.
-    uint64_t mCurrentFrameNumber;
-
-    // Indicates this buffer must be transformed by the inverse transform of the screen
-    // it is displayed onto. This is applied after BufferLayerConsumer::mCurrentTransform.
-    // This must be set/read from SurfaceFlinger's main thread.
-    bool mCurrentTransformToDisplayInverse;
-
-    // The portion of this surface that has changed since the previous frame
-    Region mCurrentSurfaceDamage;
-
-    int mCurrentApi;
-
-    uint32_t mDefaultWidth, mDefaultHeight;
-
-    // mFilteringEnabled indicates whether the transform matrix is computed for
-    // use with bilinear filtering. It defaults to true and is changed by
-    // setFilteringEnabled().
-    bool mFilteringEnabled;
-
-    renderengine::RenderEngine& mRE;
-
-    // mTexName is the name of the RenderEngine texture to which streamed
-    // images will be bound when bindTexImage is called. It is set at
-    // construction time.
-    const uint32_t mTexName;
-
-    // The layer for this BufferLayerConsumer. Always check mAbandoned before accessing.
-    Layer* mLayer GUARDED_BY(mMutex);
-
-    wp<ContentsChangedListener> mContentsChangedListener;
-
-    // mCurrentTexture is the buffer slot index of the buffer that is currently
-    // bound to the RenderEngine texture. It is initialized to INVALID_BUFFER_SLOT,
-    // indicating that no buffer slot is currently bound to the texture. Note,
-    // however, that a value of INVALID_BUFFER_SLOT does not necessarily mean
-    // that no buffer is bound to the texture. A call to setBufferCount will
-    // reset mCurrentTexture to INVALID_BUFFER_SLOT.
-    int mCurrentTexture;
-
-    // Shadow buffer cache for cleaning up renderengine references.
-    std::shared_ptr<renderengine::ExternalTexture>
-            mImages[BufferQueueDefs::NUM_BUFFER_SLOTS] GUARDED_BY(mImagesMutex);
-
-    // Separate mutex guarding the shadow buffer cache.
-    // mImagesMutex can be manipulated with binder threads (e.g. onBuffersAllocated)
-    // which is contentious enough that we can't just use mMutex.
-    mutable std::mutex mImagesMutex;
-
-    // A release that is pending on the receipt of a new release fence from
-    // presentDisplay
-    PendingRelease mPendingRelease;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_BUFFERLAYERCONSUMER_H
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
deleted file mode 100644
index bee4de3..0000000
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ /dev/null
@@ -1,575 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#undef LOG_TAG
-#define LOG_TAG "BufferQueueLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include "BufferQueueLayer.h"
-
-#include <compositionengine/LayerFECompositionState.h>
-#include <gui/BufferQueueConsumer.h>
-#include <system/window.h>
-
-#include "LayerRejecter.h"
-#include "SurfaceInterceptor.h"
-
-#include "FrameTracer/FrameTracer.h"
-#include "Scheduler/LayerHistory.h"
-#include "TimeStats/TimeStats.h"
-
-namespace android {
-using PresentState = frametimeline::SurfaceFrame::PresentState;
-
-BufferQueueLayer::BufferQueueLayer(const LayerCreationArgs& args) : BufferLayer(args) {}
-
-BufferQueueLayer::~BufferQueueLayer() {
-    mContentsChangedListener->abandon();
-    mConsumer->abandon();
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for Layer
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
-    const sp<Fence> releaseFence = futureFenceResult.get().value_or(Fence::NO_FENCE);
-    mConsumer->setReleaseFence(releaseFence);
-
-    // Prevent tracing the same release multiple times.
-    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
-        mFlinger->mFrameTracer->traceFence(getSequence(), mPreviousBufferId, mPreviousFrameNumber,
-                                           std::make_shared<FenceTime>(releaseFence),
-                                           FrameTracer::FrameEvent::RELEASE_FENCE);
-        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
-    }
-}
-
-void BufferQueueLayer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
-    BufferLayer::setTransformHint(displayTransformHint);
-    mConsumer->setTransformHint(mTransformHint);
-}
-
-void BufferQueueLayer::releasePendingBuffer(nsecs_t) {
-    if (!mConsumer->releasePendingBuffer()) {
-        return;
-    }
-}
-
-void BufferQueueLayer::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    mConsumer->setDefaultBufferSize(w, h);
-}
-
-int32_t BufferQueueLayer::getQueuedFrameCount() const {
-    return mQueuedFrames;
-}
-
-bool BufferQueueLayer::isBufferDue(nsecs_t expectedPresentTime) const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    const int64_t addedTime = mQueueItems[0].item.mTimestamp;
-
-    // Ignore timestamps more than a second in the future
-    const bool isPlausible = addedTime < (expectedPresentTime + s2ns(1));
-    ALOGW_IF(!isPlausible,
-             "[%s] Timestamp %" PRId64 " seems implausible "
-             "relative to expectedPresent %" PRId64,
-             getDebugName(), addedTime, expectedPresentTime);
-
-    if (!isPlausible) {
-        mFlinger->mTimeStats->incrementBadDesiredPresent(getSequence());
-    }
-
-    const bool isDue = addedTime < expectedPresentTime;
-    return isDue || !isPlausible;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayer
-// -----------------------------------------------------------------------
-
-bool BufferQueueLayer::fenceHasSignaled() const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-        return true;
-    }
-
-    if (!hasFrameUpdate()) {
-        return true;
-    }
-
-    if (mQueueItems[0].item.mIsDroppable) {
-        // Even though this buffer's fence may not have signaled yet, it could
-        // be replaced by another buffer before it has a chance to, which means
-        // that it's possible to get into a situation where a buffer is never
-        // able to be latched. To avoid this, grab this buffer anyway.
-        return true;
-    }
-    const bool fenceSignaled =
-            mQueueItems[0].item.mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
-    if (!fenceSignaled) {
-        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
-                                                    TimeStats::LatchSkipReason::LateAcquire);
-    }
-
-    return fenceSignaled;
-}
-
-bool BufferQueueLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
-    Mutex::Autolock lock(mQueueItemLock);
-
-    if (!hasFrameUpdate() || isRemovedFromCurrentState()) {
-        return true;
-    }
-
-    return mQueueItems[0].item.mTimestamp <= expectedPresentTime;
-}
-
-bool BufferQueueLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
-    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
-    editCompositionState()->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
-
-    bool sidebandStreamChanged = true;
-    if (mSidebandStreamChanged.compare_exchange_strong(sidebandStreamChanged, false)) {
-        // mSidebandStreamChanged was changed to false
-        mSidebandStream = mConsumer->getSidebandStream();
-        auto* layerCompositionState = editCompositionState();
-        layerCompositionState->sidebandStream = mSidebandStream;
-        if (layerCompositionState->sidebandStream != nullptr) {
-            setTransactionFlags(eTransactionNeeded);
-            mFlinger->setTransactionFlags(eTraversalNeeded);
-        }
-        recomputeVisibleRegions = true;
-
-        return true;
-    }
-    return false;
-}
-
-bool BufferQueueLayer::hasFrameUpdate() const {
-    return mQueuedFrames > 0;
-}
-
-status_t BufferQueueLayer::updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                                          nsecs_t expectedPresentTime) {
-    // This boolean is used to make sure that SurfaceFlinger's shadow copy
-    // of the buffer queue isn't modified when the buffer queue is returning
-    // BufferItem's that weren't actually queued. This can happen in shared
-    // buffer mode.
-    bool queuedBuffer = false;
-    const int32_t layerId = getSequence();
-    LayerRejecter r(mDrawingState, getDrawingState(), recomputeVisibleRegions,
-                    getProducerStickyTransform() != 0, mName,
-                    getTransformToDisplayInverse());
-
-    if (isRemovedFromCurrentState()) {
-        expectedPresentTime = 0;
-    }
-
-    // updateTexImage() below might drop the some buffers at the head of the queue if there is a
-    // buffer behind them which is timely to be presented. However this buffer may not be signaled
-    // yet. The code below makes sure that this wouldn't happen by setting maxFrameNumber to the
-    // last buffer that was signaled.
-    uint64_t lastSignaledFrameNumber = mLastFrameNumberReceived;
-    {
-        Mutex::Autolock lock(mQueueItemLock);
-        for (size_t i = 0; i < mQueueItems.size(); i++) {
-            bool fenceSignaled =
-                    mQueueItems[i].item.mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
-            if (!fenceSignaled) {
-                break;
-            }
-            lastSignaledFrameNumber = mQueueItems[i].item.mFrameNumber;
-        }
-    }
-    const uint64_t maxFrameNumberToAcquire =
-            std::min(mLastFrameNumberReceived.load(), lastSignaledFrameNumber);
-
-    bool autoRefresh;
-    status_t updateResult = mConsumer->updateTexImage(&r, expectedPresentTime, &autoRefresh,
-                                                      &queuedBuffer, maxFrameNumberToAcquire);
-    mDrawingState.autoRefresh = autoRefresh;
-    if (updateResult == BufferQueue::PRESENT_LATER) {
-        // Producer doesn't want buffer to be displayed yet.  Signal a
-        // layer update so we check again at the next opportunity.
-        mFlinger->onLayerUpdate();
-        return BAD_VALUE;
-    } else if (updateResult == BufferLayerConsumer::BUFFER_REJECTED) {
-        // If the buffer has been rejected, remove it from the shadow queue
-        // and return early
-        if (queuedBuffer) {
-            Mutex::Autolock lock(mQueueItemLock);
-            if (mQueuedFrames > 0) {
-                mConsumer->mergeSurfaceDamage(mQueueItems[0].item.mSurfaceDamage);
-                mFlinger->mTimeStats->removeTimeRecord(layerId, mQueueItems[0].item.mFrameNumber);
-                if (mQueueItems[0].surfaceFrame) {
-                    addSurfaceFrameDroppedForBuffer(mQueueItems[0].surfaceFrame);
-                }
-                mQueueItems.erase(mQueueItems.begin());
-                mQueuedFrames--;
-            }
-        }
-        return BAD_VALUE;
-    } else if (updateResult != NO_ERROR || mUpdateTexImageFailed) {
-        // This can occur if something goes wrong when trying to create the
-        // EGLImage for this buffer. If this happens, the buffer has already
-        // been released, so we need to clean up the queue and bug out
-        // early.
-        if (queuedBuffer) {
-            Mutex::Autolock lock(mQueueItemLock);
-            for (auto& [item, surfaceFrame] : mQueueItems) {
-                if (surfaceFrame) {
-                    addSurfaceFrameDroppedForBuffer(surfaceFrame);
-                }
-            }
-            mQueueItems.clear();
-            mQueuedFrames = 0;
-            mFlinger->mTimeStats->onDestroy(layerId);
-            mFlinger->mFrameTracer->onDestroy(layerId);
-        }
-
-        // Once we have hit this state, the shadow queue may no longer
-        // correctly reflect the incoming BufferQueue's contents, so even if
-        // updateTexImage starts working, the only safe course of action is
-        // to continue to ignore updates.
-        mUpdateTexImageFailed = true;
-
-        return BAD_VALUE;
-    }
-
-    bool more_frames_pending = false;
-    if (queuedBuffer) {
-        // Autolock scope
-        auto currentFrameNumber = mConsumer->getFrameNumber();
-
-        Mutex::Autolock lock(mQueueItemLock);
-
-        // Remove any stale buffers that have been dropped during
-        // updateTexImage
-        while (mQueuedFrames > 0 && mQueueItems[0].item.mFrameNumber != currentFrameNumber) {
-            mConsumer->mergeSurfaceDamage(mQueueItems[0].item.mSurfaceDamage);
-            mFlinger->mTimeStats->removeTimeRecord(layerId, mQueueItems[0].item.mFrameNumber);
-            if (mQueueItems[0].surfaceFrame) {
-                addSurfaceFrameDroppedForBuffer(mQueueItems[0].surfaceFrame);
-            }
-            mQueueItems.erase(mQueueItems.begin());
-            mQueuedFrames--;
-        }
-
-        uint64_t bufferID = mQueueItems[0].item.mGraphicBuffer->getId();
-        mFlinger->mTimeStats->setLatchTime(layerId, currentFrameNumber, latchTime);
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferID, currentFrameNumber, latchTime,
-                                               FrameTracer::FrameEvent::LATCH);
-
-        if (mQueueItems[0].surfaceFrame) {
-            addSurfaceFramePresentedForBuffer(mQueueItems[0].surfaceFrame,
-                                              mQueueItems[0].item.mFenceTime->getSignalTime(),
-                                              latchTime);
-        }
-        mQueueItems.erase(mQueueItems.begin());
-        more_frames_pending = (mQueuedFrames.fetch_sub(1) > 1);
-    }
-
-    // Decrement the queued-frames count.  Signal another event if we
-    // have more frames pending.
-    if ((queuedBuffer && more_frames_pending) || mDrawingState.autoRefresh) {
-        mFlinger->onLayerUpdate();
-    }
-
-    return NO_ERROR;
-}
-
-status_t BufferQueueLayer::updateActiveBuffer() {
-    // update the active buffer
-    mPreviousBufferId = getCurrentBufferId();
-    mBufferInfo.mBuffer =
-            mConsumer->getCurrentBuffer(&mBufferInfo.mBufferSlot, &mBufferInfo.mFence);
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        // this can only happen if the very first buffer was rejected.
-        return BAD_VALUE;
-    }
-    return NO_ERROR;
-}
-
-status_t BufferQueueLayer::updateFrameNumber() {
-    mPreviousFrameNumber = mCurrentFrameNumber;
-    mCurrentFrameNumber = mConsumer->getFrameNumber();
-    return NO_ERROR;
-}
-
-void BufferQueueLayer::setFrameTimelineInfoForBuffer(const FrameTimelineInfo& frameTimelineInfo) {
-    mFrameTimelineInfo = frameTimelineInfo;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayerConsumer::ContentsChangedListener
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onFrameDequeued(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::DEQUEUE);
-}
-
-void BufferQueueLayer::onFrameDetached(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::DETACH);
-}
-
-void BufferQueueLayer::onFrameCancelled(const uint64_t bufferId) {
-    const int32_t layerId = getSequence();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
-                                           systemTime(), FrameTracer::FrameEvent::CANCEL);
-}
-
-void BufferQueueLayer::onFrameAvailable(const BufferItem& item) {
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = item.mGraphicBuffer->getId();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, item.mFrameNumber, systemTime(),
-                                           FrameTracer::FrameEvent::QUEUE);
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, item.mFrameNumber,
-                                       std::make_shared<FenceTime>(item.mFence),
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-
-    ATRACE_CALL();
-    // Add this buffer from our internal queue tracker
-    { // Autolock scope
-        const nsecs_t presentTime = item.mIsAutoTimestamp ? 0 : item.mTimestamp;
-
-        using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
-        mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
-
-        Mutex::Autolock lock(mQueueItemLock);
-        // Reset the frame number tracker when we receive the first buffer after
-        // a frame number reset
-        if (item.mFrameNumber == 1) {
-            mLastFrameNumberReceived = 0;
-        }
-
-        // Ensure that callbacks are handled in order
-        while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
-            status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
-            if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", getDebugName());
-                break;
-            }
-        }
-
-        auto surfaceFrame = createSurfaceFrameForBuffer(mFrameTimelineInfo, systemTime(), mName);
-
-        mQueueItems.push_back({item, surfaceFrame});
-        mQueuedFrames++;
-
-        // Wake up any pending callbacks
-        mLastFrameNumberReceived = item.mFrameNumber;
-        mQueueItemCondition.broadcast();
-    }
-
-    mFlinger->mInterceptor->saveBufferUpdate(layerId, item.mGraphicBuffer->getWidth(),
-                                             item.mGraphicBuffer->getHeight(), item.mFrameNumber);
-
-    mFlinger->onLayerUpdate();
-    mConsumer->onBufferAvailable(item);
-}
-
-void BufferQueueLayer::onFrameReplaced(const BufferItem& item) {
-    ATRACE_CALL();
-    { // Autolock scope
-        Mutex::Autolock lock(mQueueItemLock);
-
-        // Ensure that callbacks are handled in order
-        while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
-            status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
-            if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", getDebugName());
-                break;
-            }
-        }
-
-        if (!hasFrameUpdate()) {
-            ALOGE("Can't replace a frame on an empty queue");
-            return;
-        }
-
-        auto surfaceFrame = createSurfaceFrameForBuffer(mFrameTimelineInfo, systemTime(), mName);
-        mQueueItems[mQueueItems.size() - 1].item = item;
-        mQueueItems[mQueueItems.size() - 1].surfaceFrame = std::move(surfaceFrame);
-
-        // Wake up any pending callbacks
-        mLastFrameNumberReceived = item.mFrameNumber;
-        mQueueItemCondition.broadcast();
-    }
-
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = item.mGraphicBuffer->getId();
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, item.mFrameNumber, systemTime(),
-                                           FrameTracer::FrameEvent::QUEUE);
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, item.mFrameNumber,
-                                       std::make_shared<FenceTime>(item.mFence),
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-    mConsumer->onBufferAvailable(item);
-}
-
-void BufferQueueLayer::onSidebandStreamChanged() {
-    bool sidebandStreamChanged = false;
-    if (mSidebandStreamChanged.compare_exchange_strong(sidebandStreamChanged, true)) {
-        // mSidebandStreamChanged was changed to true
-        mFlinger->onLayerUpdate();
-    }
-}
-
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::onFirstRef() {
-    BufferLayer::onFirstRef();
-
-    // Creates a custom BufferQueue for SurfaceFlingerConsumer to use
-    sp<IGraphicBufferProducer> producer;
-    sp<IGraphicBufferConsumer> consumer;
-    mFlinger->getFactory().createBufferQueue(&producer, &consumer, true);
-    mProducer = mFlinger->getFactory().createMonitoredProducer(producer, mFlinger, this);
-    mConsumer =
-            mFlinger->getFactory().createBufferLayerConsumer(consumer, mFlinger->getRenderEngine(),
-                                                             mTextureName, this);
-    mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
-
-    mContentsChangedListener = new ContentsChangedListener(this);
-    mConsumer->setContentsChangedListener(mContentsChangedListener);
-    mConsumer->setName(String8(mName.data(), mName.size()));
-
-    mProducer->setMaxDequeuedBufferCount(2);
-}
-
-status_t BufferQueueLayer::setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format) {
-    // never allow a surface larger than what our underlying GL implementation
-    // can handle.
-    if (mFlinger->exceedsMaxRenderTargetSize(w, h)) {
-        ALOGE("dimensions too large %" PRIu32 " x %" PRIu32, w, h);
-        return BAD_VALUE;
-    }
-
-    setDefaultBufferSize(w, h);
-    mConsumer->setDefaultBufferFormat(format);
-    mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
-
-    return NO_ERROR;
-}
-
-sp<IGraphicBufferProducer> BufferQueueLayer::getProducer() const {
-    return mProducer;
-}
-
-uint32_t BufferQueueLayer::getProducerStickyTransform() const {
-    int producerStickyTransform = 0;
-    int ret = mProducer->query(NATIVE_WINDOW_STICKY_TRANSFORM, &producerStickyTransform);
-    if (ret != OK) {
-        ALOGW("%s: Error %s (%d) while querying window sticky transform.", __FUNCTION__,
-              strerror(-ret), ret);
-        return 0;
-    }
-    return static_cast<uint32_t>(producerStickyTransform);
-}
-
-void BufferQueueLayer::gatherBufferInfo() {
-    BufferLayer::gatherBufferInfo();
-
-    mBufferInfo.mDesiredPresentTime = mConsumer->getTimestamp();
-    mBufferInfo.mFenceTime = mConsumer->getCurrentFenceTime();
-    mBufferInfo.mFence = mConsumer->getCurrentFence();
-    mBufferInfo.mTransform = mConsumer->getCurrentTransform();
-    mBufferInfo.mDataspace = translateDataspace(mConsumer->getCurrentDataSpace());
-    mBufferInfo.mCrop = mConsumer->getCurrentCrop();
-    mBufferInfo.mScaleMode = mConsumer->getCurrentScalingMode();
-    mBufferInfo.mSurfaceDamage = mConsumer->getSurfaceDamage();
-    mBufferInfo.mHdrMetadata = mConsumer->getCurrentHdrMetadata();
-    mBufferInfo.mApi = mConsumer->getCurrentApi();
-    mBufferInfo.mTransformToDisplayInverse = mConsumer->getTransformToDisplayInverse();
-}
-
-sp<Layer> BufferQueueLayer::createClone() {
-    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
-    args.textureName = mTextureName;
-    sp<BufferQueueLayer> layer = mFlinger->getFactory().createBufferQueueLayer(args);
-    layer->setInitialValuesForClone(this);
-
-    return layer;
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayerConsumer::ContentsChangedListener
-// -----------------------------------------------------------------------
-
-void BufferQueueLayer::ContentsChangedListener::onFrameAvailable(const BufferItem& item) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameAvailable(item);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameReplaced(const BufferItem& item) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameReplaced(item);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onSidebandStreamChanged() {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onSidebandStreamChanged();
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameDequeued(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameDequeued(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameDetached(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameDetached(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::onFrameCancelled(const uint64_t bufferId) {
-    Mutex::Autolock lock(mMutex);
-    if (mBufferQueueLayer != nullptr) {
-        mBufferQueueLayer->onFrameCancelled(bufferId);
-    }
-}
-
-void BufferQueueLayer::ContentsChangedListener::abandon() {
-    Mutex::Autolock lock(mMutex);
-    mBufferQueueLayer = nullptr;
-}
-
-// -----------------------------------------------------------------------
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/BufferQueueLayer.h b/services/surfaceflinger/BufferQueueLayer.h
deleted file mode 100644
index e1c80d5..0000000
--- a/services/surfaceflinger/BufferQueueLayer.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "BufferLayer.h"
-
-#include <utils/String8.h>
-
-namespace android {
-
-namespace frametimeline {
-class SurfaceFrame;
-}
-
-/*
- * A new BufferQueue and a new BufferLayerConsumer are created when the
- * BufferLayer is first referenced.
- *
- * This also implements onFrameAvailable(), which notifies SurfaceFlinger
- * that new data has arrived.
- */
-class BufferQueueLayer : public BufferLayer {
-public:
-    // Only call while mStateLock is held
-    explicit BufferQueueLayer(const LayerCreationArgs&);
-    ~BufferQueueLayer() override;
-
-    // Implements Layer.
-    const char* getType() const override { return "BufferQueueLayer"; }
-
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
-
-    // If a buffer was replaced this frame, release the former buffer
-    void releasePendingBuffer(nsecs_t dequeueReadyTime) override;
-
-    void setDefaultBufferSize(uint32_t w, uint32_t h) override;
-
-    int32_t getQueuedFrameCount() const override;
-
-    // Returns true if the next buffer should be presented at the expected present time
-    bool isBufferDue(nsecs_t expectedPresentTime) const override;
-
-    // Implements BufferLayer.
-    bool fenceHasSignaled() const override;
-    bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
-
-    status_t setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format);
-    sp<IGraphicBufferProducer> getProducer() const;
-
-    void setSizeForTest(uint32_t w, uint32_t h) {
-        mDrawingState.active_legacy.w = w;
-        mDrawingState.active_legacy.h = h;
-    }
-
-protected:
-    void gatherBufferInfo() override;
-
-    // -----------------------------------------------------------------------
-    // Interface implementation for BufferLayerConsumer::ContentsChangedListener
-    // -----------------------------------------------------------------------
-    class ContentsChangedListener : public BufferLayerConsumer::ContentsChangedListener {
-    public:
-        ContentsChangedListener(BufferQueueLayer* bufferQueueLayer)
-              : mBufferQueueLayer(bufferQueueLayer) {}
-        void abandon();
-
-    protected:
-        void onFrameAvailable(const BufferItem& item) override;
-        void onFrameReplaced(const BufferItem& item) override;
-        void onSidebandStreamChanged() override;
-        void onFrameDequeued(const uint64_t bufferId) override;
-        void onFrameDetached(const uint64_t bufferId) override;
-        void onFrameCancelled(const uint64_t bufferId) override;
-
-    private:
-        BufferQueueLayer* mBufferQueueLayer = nullptr;
-        Mutex mMutex;
-    };
-
-private:
-
-    bool latchSidebandStream(bool& recomputeVisibleRegions) override;
-    void setTransformHint(ui::Transform::RotationFlags displayTransformHint) override;
-
-    bool hasFrameUpdate() const override;
-
-    status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                            nsecs_t expectedPresentTime) override;
-
-    status_t updateActiveBuffer() override;
-    status_t updateFrameNumber() override;
-    void setFrameTimelineInfoForBuffer(const FrameTimelineInfo& frameTimelineInfo) override;
-
-    sp<Layer> createClone() override;
-
-    void onFirstRef() override;
-
-    void onFrameAvailable(const BufferItem& item);
-    void onFrameReplaced(const BufferItem& item);
-    void onSidebandStreamChanged();
-    void onFrameDequeued(const uint64_t bufferId);
-    void onFrameDetached(const uint64_t bufferId);
-    void onFrameCancelled(const uint64_t bufferId);
-
-    // Temporary - Used only for LEGACY camera mode.
-    uint32_t getProducerStickyTransform() const;
-
-    sp<BufferLayerConsumer> mConsumer;
-    sp<IGraphicBufferProducer> mProducer;
-
-    bool mUpdateTexImageFailed{false};
-
-    uint64_t mPreviousBufferId = 0;
-    uint64_t mPreviousReleasedFrameNumber = 0;
-
-    // Local copy of the queued contents of the incoming BufferQueue
-    mutable Mutex mQueueItemLock;
-    Condition mQueueItemCondition;
-
-    struct BufferData {
-        BufferData(BufferItem item, std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame)
-              : item(item), surfaceFrame(surfaceFrame) {}
-        BufferItem item;
-        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame;
-    };
-    std::vector<BufferData> mQueueItems;
-    std::atomic<uint64_t> mLastFrameNumberReceived{0};
-
-    // thread-safe
-    std::atomic<int32_t> mQueuedFrames{0};
-
-    sp<ContentsChangedListener> mContentsChangedListener;
-
-    // The last vsync info received on this layer. This will be used when we get
-    // a buffer to correlate the buffer with the vsync id. Can only be accessed
-    // with the SF state lock held.
-    FrameTimelineInfo mFrameTimelineInfo;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
deleted file mode 100644
index 3875f15..0000000
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ /dev/null
@@ -1,1085 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "BufferStateLayer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "BufferStateLayer.h"
-
-#include <limits>
-
-#include <FrameTimeline/FrameTimeline.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <gui/BufferQueue.h>
-#include <private/gui/SyncFeatures.h>
-#include <renderengine/Image.h>
-#include "TunnelModeEnabledReporter.h"
-
-#include "EffectLayer.h"
-#include "FrameTracer/FrameTracer.h"
-#include "TimeStats/TimeStats.h"
-
-#define EARLY_RELEASE_ENABLED false
-
-namespace android {
-
-using PresentState = frametimeline::SurfaceFrame::PresentState;
-namespace {
-void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
-                               const sp<GraphicBuffer>& buffer, uint64_t framenumber,
-                               const sp<Fence>& releaseFence,
-                               uint32_t currentMaxAcquiredBufferCount) {
-    if (!listener) {
-        return;
-    }
-    listener->onReleaseBuffer({buffer->getId(), framenumber},
-                              releaseFence ? releaseFence : Fence::NO_FENCE,
-                              currentMaxAcquiredBufferCount);
-}
-} // namespace
-
-BufferStateLayer::BufferStateLayer(const LayerCreationArgs& args)
-      : BufferLayer(args), mHwcSlotGenerator(new HwcSlotGenerator()) {
-    mDrawingState.dataspace = ui::Dataspace::V0_SRGB;
-}
-
-BufferStateLayer::~BufferStateLayer() {
-    // The original layer and the clone layer share the same texture and buffer. Therefore, only
-    // one of the layers, in this case the original layer, needs to handle the deletion. The
-    // original layer and the clone should be removed at the same time so there shouldn't be any
-    // issue with the clone layer trying to use the texture.
-    if (mBufferInfo.mBuffer != nullptr) {
-        callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFrameNumber,
-                                  mBufferInfo.mFence,
-                                  mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                          mOwnerUid));
-    }
-}
-
-// -----------------------------------------------------------------------
-// Interface implementation for Layer
-// -----------------------------------------------------------------------
-void BufferStateLayer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
-    // If we are displayed on multiple displays in a single composition cycle then we would
-    // need to do careful tracking to enable the use of the mLastClientCompositionFence.
-    //  For example we can only use it if all the displays are client comp, and we need
-    //  to merge all the client comp fences. We could do this, but for now we just
-    // disable the optimization when a layer is composed on multiple displays.
-    if (mClearClientCompositionFenceOnLayerDisplayed) {
-        mLastClientCompositionFence = nullptr;
-    } else {
-        mClearClientCompositionFenceOnLayerDisplayed = true;
-    }
-
-    // The previous release fence notifies the client that SurfaceFlinger is done with the previous
-    // buffer that was presented on this layer. The first transaction that came in this frame that
-    // replaced the previous buffer on this layer needs this release fence, because the fence will
-    // let the client know when that previous buffer is removed from the screen.
-    //
-    // Every other transaction on this layer does not need a release fence because no other
-    // Transactions that were set on this layer this frame are going to have their preceeding buffer
-    // removed from the display this frame.
-    //
-    // For example, if we have 3 transactions this frame. The first transaction doesn't contain a
-    // buffer so it doesn't need a previous release fence because the layer still needs the previous
-    // buffer. The second transaction contains a buffer so it needs a previous release fence because
-    // the previous buffer will be released this frame. The third transaction also contains a
-    // buffer. It replaces the buffer in the second transaction. The buffer in the second
-    // transaction will now no longer be presented so it is released immediately and the third
-    // transaction doesn't need a previous release fence.
-    sp<CallbackHandle> ch;
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            ch = handle;
-            break;
-        }
-    }
-
-    // Prevent tracing the same release multiple times.
-    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
-        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
-    }
-
-    if (ch != nullptr) {
-        ch->previousReleaseCallbackId = mPreviousReleaseCallbackId;
-        ch->previousReleaseFences.emplace_back(std::move(futureFenceResult));
-        ch->name = mName;
-    }
-}
-
-void BufferStateLayer::onSurfaceFrameCreated(
-        const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame) {
-    while (mPendingJankClassifications.size() >= kPendingClassificationMaxSurfaceFrames) {
-        // Too many SurfaceFrames pending classification. The front of the deque is probably not
-        // tracked by FrameTimeline and will never be presented. This will only result in a memory
-        // leak.
-        ALOGW("Removing the front of pending jank deque from layer - %s to prevent memory leak",
-              mName.c_str());
-        std::string miniDump = mPendingJankClassifications.front()->miniDump();
-        ALOGD("Head SurfaceFrame mini dump\n%s", miniDump.c_str());
-        mPendingJankClassifications.pop_front();
-    }
-    mPendingJankClassifications.emplace_back(surfaceFrame);
-}
-
-void BufferStateLayer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->transformHint = mTransformHint;
-        handle->dequeueReadyTime = dequeueReadyTime;
-        handle->currentMaxAcquiredBufferCount =
-                mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mOwnerUid);
-    }
-
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            handle->previousReleaseCallbackId = mPreviousReleaseCallbackId;
-            break;
-        }
-    }
-
-    std::vector<JankData> jankData;
-    jankData.reserve(mPendingJankClassifications.size());
-    while (!mPendingJankClassifications.empty()
-            && mPendingJankClassifications.front()->getJankType()) {
-        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame =
-                mPendingJankClassifications.front();
-        mPendingJankClassifications.pop_front();
-        jankData.emplace_back(
-                JankData(surfaceFrame->getToken(), surfaceFrame->getJankType().value()));
-    }
-
-    mFlinger->getTransactionCallbackInvoker().addCallbackHandles(
-            mDrawingState.callbackHandles, jankData);
-
-    sp<Fence> releaseFence = Fence::NO_FENCE;
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->releasePreviousBuffer &&
-            mDrawingState.releaseBufferEndpoint == handle->listener) {
-            releaseFence =
-                    handle->previousReleaseFence ? handle->previousReleaseFence : Fence::NO_FENCE;
-            break;
-        }
-    }
-
-    mDrawingState.callbackHandles = {};
-}
-
-void BufferStateLayer::finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& glDoneFence,
-                                                 const CompositorTiming& compositorTiming) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->gpuCompositionDoneFence = glDoneFence;
-        handle->compositorTiming = compositorTiming;
-    }
-}
-
-bool BufferStateLayer::willPresentCurrentTransaction() const {
-    // Returns true if the most recent Transaction applied to CurrentState will be presented.
-    return (getSidebandStreamChanged() || getAutoRefresh() ||
-            (mDrawingState.modified &&
-             (mDrawingState.buffer != nullptr || mDrawingState.bgColorLayer != nullptr)));
-}
-
-Rect BufferStateLayer::getCrop(const Layer::State& s) const {
-    return s.crop;
-}
-
-bool BufferStateLayer::setTransform(uint32_t transform) {
-    if (mDrawingState.bufferTransform == transform) return false;
-    mDrawingState.bufferTransform = transform;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setTransformToDisplayInverse(bool transformToDisplayInverse) {
-    if (mDrawingState.transformToDisplayInverse == transformToDisplayInverse) return false;
-    mDrawingState.sequence++;
-    mDrawingState.transformToDisplayInverse = transformToDisplayInverse;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setCrop(const Rect& crop) {
-    if (mDrawingState.crop == crop) return false;
-    mDrawingState.sequence++;
-    mDrawingState.crop = crop;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setBufferCrop(const Rect& bufferCrop) {
-    if (mDrawingState.bufferCrop == bufferCrop) return false;
-
-    mDrawingState.sequence++;
-    mDrawingState.bufferCrop = bufferCrop;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setDestinationFrame(const Rect& destinationFrame) {
-    if (mDrawingState.destinationFrame == destinationFrame) return false;
-
-    mDrawingState.sequence++;
-    mDrawingState.destinationFrame = destinationFrame;
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-static bool assignTransform(ui::Transform* dst, ui::Transform& from) {
-    if (*dst == from) {
-        return false;
-    }
-    *dst = from;
-    return true;
-}
-
-// Translate destination frame into scale and position. If a destination frame is not set, use the
-// provided scale and position
-bool BufferStateLayer::updateGeometry() {
-    if ((mDrawingState.flags & layer_state_t::eIgnoreDestinationFrame) ||
-        mDrawingState.destinationFrame.isEmpty()) {
-        // If destination frame is not set, use the requested transform set via
-        // BufferStateLayer::setPosition and BufferStateLayer::setMatrix.
-        return assignTransform(&mDrawingState.transform, mRequestedTransform);
-    }
-
-    Rect destRect = mDrawingState.destinationFrame;
-    int32_t destW = destRect.width();
-    int32_t destH = destRect.height();
-    if (destRect.left < 0) {
-        destRect.left = 0;
-        destRect.right = destW;
-    }
-    if (destRect.top < 0) {
-        destRect.top = 0;
-        destRect.bottom = destH;
-    }
-
-    if (!mDrawingState.buffer) {
-        ui::Transform t;
-        t.set(destRect.left, destRect.top);
-        return assignTransform(&mDrawingState.transform, t);
-    }
-
-    uint32_t bufferWidth = mDrawingState.buffer->getWidth();
-    uint32_t bufferHeight = mDrawingState.buffer->getHeight();
-    // Undo any transformations on the buffer.
-    if (mDrawingState.bufferTransform & ui::Transform::ROT_90) {
-        std::swap(bufferWidth, bufferHeight);
-    }
-    uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-    if (mDrawingState.transformToDisplayInverse) {
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufferWidth, bufferHeight);
-        }
-    }
-
-    float sx = destW / static_cast<float>(bufferWidth);
-    float sy = destH / static_cast<float>(bufferHeight);
-    ui::Transform t;
-    t.set(sx, 0, 0, sy);
-    t.set(destRect.left, destRect.top);
-    return assignTransform(&mDrawingState.transform, t);
-}
-
-bool BufferStateLayer::setMatrix(const layer_state_t::matrix22_t& matrix) {
-    if (mRequestedTransform.dsdx() == matrix.dsdx && mRequestedTransform.dtdy() == matrix.dtdy &&
-        mRequestedTransform.dtdx() == matrix.dtdx && mRequestedTransform.dsdy() == matrix.dsdy) {
-        return false;
-    }
-
-    ui::Transform t;
-    t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mRequestedTransform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mDrawingState.sequence++;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    return true;
-}
-
-bool BufferStateLayer::setPosition(float x, float y) {
-    if (mRequestedTransform.tx() == x && mRequestedTransform.ty() == y) {
-        return false;
-    }
-
-    mRequestedTransform.set(x, y);
-
-    mDrawingState.sequence++;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    return true;
-}
-
-bool BufferStateLayer::setBuffer(std::shared_ptr<renderengine::ExternalTexture>& buffer,
-                                 const BufferData& bufferData, nsecs_t postTime,
-                                 nsecs_t desiredPresentTime, bool isAutoTimestamp,
-                                 std::optional<nsecs_t> dequeueTime,
-                                 const FrameTimelineInfo& info) {
-    ATRACE_CALL();
-
-    if (!buffer) {
-        return false;
-    }
-
-    const bool frameNumberChanged =
-            bufferData.flags.test(BufferData::BufferDataChange::frameNumberChanged);
-    const uint64_t frameNumber =
-            frameNumberChanged ? bufferData.frameNumber : mDrawingState.frameNumber + 1;
-
-    if (mDrawingState.buffer) {
-        mReleasePreviousBuffer = true;
-        if (!mBufferInfo.mBuffer ||
-            (!mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer) ||
-             mDrawingState.frameNumber != mBufferInfo.mFrameNumber)) {
-            // If mDrawingState has a buffer, and we are about to update again
-            // before swapping to drawing state, then the first buffer will be
-            // dropped and we should decrement the pending buffer count and
-            // call any release buffer callbacks if set.
-            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
-                                      mDrawingState.acquireFence,
-                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                              mOwnerUid));
-            decrementPendingBufferCount();
-            if (mDrawingState.bufferSurfaceFrameTX != nullptr &&
-                mDrawingState.bufferSurfaceFrameTX->getPresentState() != PresentState::Presented) {
-              addSurfaceFrameDroppedForBuffer(mDrawingState.bufferSurfaceFrameTX);
-              mDrawingState.bufferSurfaceFrameTX.reset();
-            }
-        } else if (EARLY_RELEASE_ENABLED && mLastClientCompositionFence != nullptr) {
-            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
-                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
-                                      mLastClientCompositionFence,
-                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
-                                              mOwnerUid));
-            mLastClientCompositionFence = nullptr;
-        }
-    }
-
-    mDrawingState.frameNumber = frameNumber;
-    mDrawingState.releaseBufferListener = bufferData.releaseBufferListener;
-    mDrawingState.buffer = std::move(buffer);
-    mDrawingState.clientCacheId = bufferData.cachedBuffer;
-
-    mDrawingState.acquireFence = bufferData.flags.test(BufferData::BufferDataChange::fenceChanged)
-            ? bufferData.acquireFence
-            : Fence::NO_FENCE;
-    mDrawingState.acquireFenceTime = std::make_unique<FenceTime>(mDrawingState.acquireFence);
-    if (mDrawingState.acquireFenceTime->getSignalTime() == Fence::SIGNAL_TIME_PENDING) {
-        // We latched this buffer unsiganled, so we need to pass the acquire fence
-        // on the callback instead of just the acquire time, since it's unknown at
-        // this point.
-        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFence;
-    } else {
-        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFenceTime->getSignalTime();
-    }
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    const int32_t layerId = getSequence();
-    mFlinger->mTimeStats->setPostTime(layerId, mDrawingState.frameNumber, getName().c_str(),
-                                      mOwnerUid, postTime, getGameMode());
-    mDrawingState.desiredPresentTime = desiredPresentTime;
-    mDrawingState.isAutoTimestamp = isAutoTimestamp;
-
-    const nsecs_t presentTime = [&] {
-        if (!isAutoTimestamp) return desiredPresentTime;
-
-        const auto prediction =
-                mFlinger->mFrameTimeline->getTokenManager()->getPredictionsForToken(info.vsyncId);
-        if (prediction.has_value()) return prediction->presentTime;
-
-        return static_cast<nsecs_t>(0);
-    }();
-
-    using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
-    mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
-
-    setFrameTimelineVsyncForBufferTransaction(info, postTime);
-
-    if (dequeueTime && *dequeueTime != 0) {
-        const uint64_t bufferId = mDrawingState.buffer->getId();
-        mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, *dequeueTime,
-                                               FrameTracer::FrameEvent::DEQUEUE);
-        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, postTime,
-                                               FrameTracer::FrameEvent::QUEUE);
-    }
-
-    mDrawingState.width = mDrawingState.buffer->getWidth();
-    mDrawingState.height = mDrawingState.buffer->getHeight();
-    mDrawingState.releaseBufferEndpoint = bufferData.releaseBufferEndpoint;
-    return true;
-}
-
-bool BufferStateLayer::setDataspace(ui::Dataspace dataspace) {
-    if (mDrawingState.dataspace == dataspace) return false;
-    mDrawingState.dataspace = dataspace;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setHdrMetadata(const HdrMetadata& hdrMetadata) {
-    if (mDrawingState.hdrMetadata == hdrMetadata) return false;
-    mDrawingState.hdrMetadata = hdrMetadata;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setSurfaceDamageRegion(const Region& surfaceDamage) {
-    mDrawingState.surfaceDamageRegion = surfaceDamage;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setApi(int32_t api) {
-    if (mDrawingState.api == api) return false;
-    mDrawingState.api = api;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool BufferStateLayer::setSidebandStream(const sp<NativeHandle>& sidebandStream) {
-    if (mDrawingState.sidebandStream == sidebandStream) return false;
-
-    if (mDrawingState.sidebandStream != nullptr && sidebandStream == nullptr) {
-        mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
-    } else if (sidebandStream != nullptr) {
-        mFlinger->mTunnelModeEnabledReporter->incrementTunnelModeCount();
-    }
-
-    mDrawingState.sidebandStream = sidebandStream;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    if (!mSidebandStreamChanged.exchange(true)) {
-        // mSidebandStreamChanged was false
-        mFlinger->onLayerUpdate();
-    }
-    return true;
-}
-
-bool BufferStateLayer::setTransactionCompletedListeners(
-        const std::vector<sp<CallbackHandle>>& handles) {
-    // If there is no handle, we will not send a callback so reset mReleasePreviousBuffer and return
-    if (handles.empty()) {
-        mReleasePreviousBuffer = false;
-        return false;
-    }
-
-    const bool willPresent = willPresentCurrentTransaction();
-
-    for (const auto& handle : handles) {
-        // If this transaction set a buffer on this layer, release its previous buffer
-        handle->releasePreviousBuffer = mReleasePreviousBuffer;
-
-        // If this layer will be presented in this frame
-        if (willPresent) {
-            // If this transaction set an acquire fence on this layer, set its acquire time
-            handle->acquireTimeOrFence = mCallbackHandleAcquireTimeOrFence;
-            handle->frameNumber = mDrawingState.frameNumber;
-
-            // Store so latched time and release fence can be set
-            mDrawingState.callbackHandles.push_back(handle);
-
-        } else { // If this layer will NOT need to be relatched and presented this frame
-            // Notify the transaction completed thread this handle is done
-            mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
-        }
-    }
-
-    mReleasePreviousBuffer = false;
-    mCallbackHandleAcquireTimeOrFence = -1;
-
-    return willPresent;
-}
-
-bool BufferStateLayer::setTransparentRegionHint(const Region& transparent) {
-    mDrawingState.sequence++;
-    mDrawingState.transparentRegionHint = transparent;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-Rect BufferStateLayer::getBufferSize(const State& /*s*/) const {
-    // for buffer state layers we use the display frame size as the buffer size.
-
-    if (mBufferInfo.mBuffer == nullptr) {
-        return Rect::INVALID_RECT;
-    }
-
-    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
-    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
-
-    // Undo any transformations on the buffer and return the result.
-    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (getTransformToDisplayInverse()) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    return Rect(0, 0, static_cast<int32_t>(bufWidth), static_cast<int32_t>(bufHeight));
-}
-
-FloatRect BufferStateLayer::computeSourceBounds(const FloatRect& parentBounds) const {
-    if (mBufferInfo.mBuffer == nullptr) {
-        return parentBounds;
-    }
-
-    return getBufferSize(getDrawingState()).toFloatRect();
-}
-
-// -----------------------------------------------------------------------
-
-// -----------------------------------------------------------------------
-// Interface implementation for BufferLayer
-// -----------------------------------------------------------------------
-bool BufferStateLayer::fenceHasSignaled() const {
-    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-        return true;
-    }
-
-    const bool fenceSignaled =
-            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
-    if (!fenceSignaled) {
-        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
-                                                    TimeStats::LatchSkipReason::LateAcquire);
-    }
-
-    return fenceSignaled;
-}
-
-bool BufferStateLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
-    if (!hasFrameUpdate() || isRemovedFromCurrentState()) {
-        return true;
-    }
-
-    return mDrawingState.isAutoTimestamp || mDrawingState.desiredPresentTime <= expectedPresentTime;
-}
-
-bool BufferStateLayer::onPreComposition(nsecs_t refreshStartTime) {
-    for (const auto& handle : mDrawingState.callbackHandles) {
-        handle->refreshStartTime = refreshStartTime;
-    }
-    return BufferLayer::onPreComposition(refreshStartTime);
-}
-
-void BufferStateLayer::setAutoRefresh(bool autoRefresh) {
-    mDrawingState.autoRefresh = autoRefresh;
-}
-
-bool BufferStateLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
-    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
-    editCompositionState()->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
-
-    if (mSidebandStreamChanged.exchange(false)) {
-        const State& s(getDrawingState());
-        // mSidebandStreamChanged was true
-        mSidebandStream = s.sidebandStream;
-        editCompositionState()->sidebandStream = mSidebandStream;
-        if (mSidebandStream != nullptr) {
-            setTransactionFlags(eTransactionNeeded);
-            mFlinger->setTransactionFlags(eTraversalNeeded);
-        }
-        recomputeVisibleRegions = true;
-
-        return true;
-    }
-    return false;
-}
-
-bool BufferStateLayer::hasFrameUpdate() const {
-    const State& c(getDrawingState());
-    return (mDrawingStateModified || mDrawingState.modified) && (c.buffer != nullptr || c.bgColorLayer != nullptr);
-}
-
-status_t BufferStateLayer::updateTexImage(bool& /*recomputeVisibleRegions*/, nsecs_t latchTime,
-                                          nsecs_t /*expectedPresentTime*/) {
-    const State& s(getDrawingState());
-
-    if (!s.buffer) {
-        if (s.bgColorLayer) {
-            for (auto& handle : mDrawingState.callbackHandles) {
-                handle->latchTime = latchTime;
-            }
-        }
-        return NO_ERROR;
-    }
-
-    for (auto& handle : mDrawingState.callbackHandles) {
-        if (handle->frameNumber == mDrawingState.frameNumber) {
-            handle->latchTime = latchTime;
-        }
-    }
-
-    const int32_t layerId = getSequence();
-    const uint64_t bufferId = mDrawingState.buffer->getId();
-    const uint64_t frameNumber = mDrawingState.frameNumber;
-    const auto acquireFence = std::make_shared<FenceTime>(mDrawingState.acquireFence);
-    mFlinger->mTimeStats->setAcquireFence(layerId, frameNumber, acquireFence);
-    mFlinger->mTimeStats->setLatchTime(layerId, frameNumber, latchTime);
-
-    mFlinger->mFrameTracer->traceFence(layerId, bufferId, frameNumber, acquireFence,
-                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
-    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, latchTime,
-                                           FrameTracer::FrameEvent::LATCH);
-
-    auto& bufferSurfaceFrame = mDrawingState.bufferSurfaceFrameTX;
-    if (bufferSurfaceFrame != nullptr &&
-        bufferSurfaceFrame->getPresentState() != PresentState::Presented) {
-        // Update only if the bufferSurfaceFrame wasn't already presented. A Presented
-        // bufferSurfaceFrame could be seen here if a pending state was applied successfully and we
-        // are processing the next state.
-        addSurfaceFramePresentedForBuffer(bufferSurfaceFrame,
-                                          mDrawingState.acquireFenceTime->getSignalTime(),
-                                          latchTime);
-        mDrawingState.bufferSurfaceFrameTX.reset();
-    }
-
-    std::deque<sp<CallbackHandle>> remainingHandles;
-    mFlinger->getTransactionCallbackInvoker()
-            .addOnCommitCallbackHandles(mDrawingState.callbackHandles, remainingHandles);
-    mDrawingState.callbackHandles = remainingHandles;
-
-    mDrawingStateModified = false;
-
-    return NO_ERROR;
-}
-
-status_t BufferStateLayer::updateActiveBuffer() {
-    const State& s(getDrawingState());
-
-    if (s.buffer == nullptr) {
-        return BAD_VALUE;
-    }
-
-    if (!mBufferInfo.mBuffer || !s.buffer->hasSameBuffer(*mBufferInfo.mBuffer)) {
-        decrementPendingBufferCount();
-    }
-
-    mPreviousReleaseCallbackId = {getCurrentBufferId(), mBufferInfo.mFrameNumber};
-    mBufferInfo.mBuffer = s.buffer;
-    mBufferInfo.mFence = s.acquireFence;
-    mBufferInfo.mFrameNumber = s.frameNumber;
-
-    return NO_ERROR;
-}
-
-status_t BufferStateLayer::updateFrameNumber() {
-    // TODO(marissaw): support frame history events
-    mPreviousFrameNumber = mCurrentFrameNumber;
-    mCurrentFrameNumber = mDrawingState.frameNumber;
-    return NO_ERROR;
-}
-
-void BufferStateLayer::HwcSlotGenerator::bufferErased(const client_cache_t& clientCacheId) {
-    std::lock_guard lock(mMutex);
-    if (!clientCacheId.isValid()) {
-        ALOGE("invalid process, failed to erase buffer");
-        return;
-    }
-    eraseBufferLocked(clientCacheId);
-}
-
-int BufferStateLayer::HwcSlotGenerator::getHwcCacheSlot(const client_cache_t& clientCacheId) {
-    std::lock_guard<std::mutex> lock(mMutex);
-    auto itr = mCachedBuffers.find(clientCacheId);
-    if (itr == mCachedBuffers.end()) {
-        return addCachedBuffer(clientCacheId);
-    }
-    auto& [hwcCacheSlot, counter] = itr->second;
-    counter = mCounter++;
-    return hwcCacheSlot;
-}
-
-int BufferStateLayer::HwcSlotGenerator::addCachedBuffer(const client_cache_t& clientCacheId)
-        REQUIRES(mMutex) {
-    if (!clientCacheId.isValid()) {
-        ALOGE("invalid process, returning invalid slot");
-        return BufferQueue::INVALID_BUFFER_SLOT;
-    }
-
-    ClientCache::getInstance().registerErasedRecipient(clientCacheId, wp<ErasedRecipient>(this));
-
-    int hwcCacheSlot = getFreeHwcCacheSlot();
-    mCachedBuffers[clientCacheId] = {hwcCacheSlot, mCounter++};
-    return hwcCacheSlot;
-}
-
-int BufferStateLayer::HwcSlotGenerator::getFreeHwcCacheSlot() REQUIRES(mMutex) {
-    if (mFreeHwcCacheSlots.empty()) {
-        evictLeastRecentlyUsed();
-    }
-
-    int hwcCacheSlot = mFreeHwcCacheSlots.top();
-    mFreeHwcCacheSlots.pop();
-    return hwcCacheSlot;
-}
-
-void BufferStateLayer::HwcSlotGenerator::evictLeastRecentlyUsed() REQUIRES(mMutex) {
-    uint64_t minCounter = UINT_MAX;
-    client_cache_t minClientCacheId = {};
-    for (const auto& [clientCacheId, slotCounter] : mCachedBuffers) {
-        const auto& [hwcCacheSlot, counter] = slotCounter;
-        if (counter < minCounter) {
-            minCounter = counter;
-            minClientCacheId = clientCacheId;
-        }
-    }
-    eraseBufferLocked(minClientCacheId);
-
-    ClientCache::getInstance().unregisterErasedRecipient(minClientCacheId, this);
-}
-
-void BufferStateLayer::HwcSlotGenerator::eraseBufferLocked(const client_cache_t& clientCacheId)
-        REQUIRES(mMutex) {
-    auto itr = mCachedBuffers.find(clientCacheId);
-    if (itr == mCachedBuffers.end()) {
-        return;
-    }
-    auto& [hwcCacheSlot, counter] = itr->second;
-
-    // TODO send to hwc cache and resources
-
-    mFreeHwcCacheSlots.push(hwcCacheSlot);
-    mCachedBuffers.erase(clientCacheId);
-}
-
-void BufferStateLayer::gatherBufferInfo() {
-    BufferLayer::gatherBufferInfo();
-
-    const State& s(getDrawingState());
-    mBufferInfo.mDesiredPresentTime = s.desiredPresentTime;
-    mBufferInfo.mFenceTime = std::make_shared<FenceTime>(s.acquireFence);
-    mBufferInfo.mFence = s.acquireFence;
-    mBufferInfo.mTransform = s.bufferTransform;
-    auto lastDataspace = mBufferInfo.mDataspace;
-    mBufferInfo.mDataspace = translateDataspace(s.dataspace);
-    if (lastDataspace != mBufferInfo.mDataspace) {
-        mFlinger->mSomeDataspaceChanged = true;
-    }
-    mBufferInfo.mCrop = computeBufferCrop(s);
-    mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
-    mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
-    mBufferInfo.mHdrMetadata = s.hdrMetadata;
-    mBufferInfo.mApi = s.api;
-    mBufferInfo.mTransformToDisplayInverse = s.transformToDisplayInverse;
-    mBufferInfo.mBufferSlot = mHwcSlotGenerator->getHwcCacheSlot(s.clientCacheId);
-}
-
-uint32_t BufferStateLayer::getEffectiveScalingMode() const {
-   return NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
-}
-
-Rect BufferStateLayer::computeBufferCrop(const State& s) {
-    if (s.buffer && !s.bufferCrop.isEmpty()) {
-        Rect bufferCrop;
-        s.buffer->getBounds().intersect(s.bufferCrop, &bufferCrop);
-        return bufferCrop;
-    } else if (s.buffer) {
-        return s.buffer->getBounds();
-    } else {
-        return s.bufferCrop;
-    }
-}
-
-sp<Layer> BufferStateLayer::createClone() {
-    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
-    args.textureName = mTextureName;
-    sp<BufferStateLayer> layer = mFlinger->getFactory().createBufferStateLayer(args);
-    layer->mHwcSlotGenerator = mHwcSlotGenerator;
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-bool BufferStateLayer::bufferNeedsFiltering() const {
-    const State& s(getDrawingState());
-    if (!s.buffer) {
-        return false;
-    }
-
-    int32_t bufferWidth = static_cast<int32_t>(s.buffer->getWidth());
-    int32_t bufferHeight = static_cast<int32_t>(s.buffer->getHeight());
-
-    // Undo any transformations on the buffer and return the result.
-    if (s.bufferTransform & ui::Transform::ROT_90) {
-        std::swap(bufferWidth, bufferHeight);
-    }
-
-    if (s.transformToDisplayInverse) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufferWidth, bufferHeight);
-        }
-    }
-
-    const Rect layerSize{getBounds()};
-    return layerSize.width() != bufferWidth || layerSize.height() != bufferHeight;
-}
-
-void BufferStateLayer::decrementPendingBufferCount() {
-    int32_t pendingBuffers = --mPendingBufferTransactions;
-    tracePendingBufferCount(pendingBuffers);
-}
-
-void BufferStateLayer::tracePendingBufferCount(int32_t pendingBuffers) {
-    ATRACE_INT(mBlastTransactionName.c_str(), pendingBuffers);
-}
-
-
-/*
- * We don't want to send the layer's transform to input, but rather the
- * parent's transform. This is because BufferStateLayer's transform is
- * information about how the buffer is placed on screen. The parent's
- * transform makes more sense to send since it's information about how the
- * layer is placed on screen. This transform is used by input to determine
- * how to go from screen space back to window space.
- */
-ui::Transform BufferStateLayer::getInputTransform() const {
-    sp<Layer> parent = mDrawingParent.promote();
-    if (parent == nullptr) {
-        return ui::Transform();
-    }
-
-    return parent->getTransform();
-}
-
-/**
- * Similar to getInputTransform, we need to update the bounds to include the transform.
- * This is because bounds for BSL doesn't include buffer transform, where the input assumes
- * that's already included.
- */
-Rect BufferStateLayer::getInputBounds() const {
-    Rect bufferBounds = getCroppedBufferSize(getDrawingState());
-    if (mDrawingState.transform.getType() == ui::Transform::IDENTITY || !bufferBounds.isValid()) {
-        return bufferBounds;
-    }
-    return mDrawingState.transform.transform(bufferBounds);
-}
-
-bool BufferStateLayer::simpleBufferUpdate(const layer_state_t& s) const {
-    const uint64_t requiredFlags = layer_state_t::eBufferChanged;
-
-    const uint64_t deniedFlags = layer_state_t::eProducerDisconnect | layer_state_t::eLayerChanged |
-            layer_state_t::eRelativeLayerChanged | layer_state_t::eTransparentRegionChanged |
-            layer_state_t::eFlagsChanged | layer_state_t::eBlurRegionsChanged |
-            layer_state_t::eLayerStackChanged | layer_state_t::eAutoRefreshChanged |
-            layer_state_t::eReparent;
-
-    const uint64_t allowedFlags = layer_state_t::eHasListenerCallbacksChanged |
-            layer_state_t::eFrameRateSelectionPriority | layer_state_t::eFrameRateChanged |
-            layer_state_t::eSurfaceDamageRegionChanged | layer_state_t::eApiChanged |
-            layer_state_t::eMetadataChanged | layer_state_t::eDropInputModeChanged |
-            layer_state_t::eInputInfoChanged;
-
-    if ((s.what & requiredFlags) != requiredFlags) {
-        ALOGV("%s: false [missing required flags 0x%" PRIx64 "]", __func__,
-              (s.what | requiredFlags) & ~s.what);
-        return false;
-    }
-
-    if (s.what & deniedFlags) {
-        ALOGV("%s: false [has denied flags 0x%" PRIx64 "]", __func__, s.what & deniedFlags);
-        return false;
-    }
-
-    if (s.what & allowedFlags) {
-        ALOGV("%s: [has allowed flags 0x%" PRIx64 "]", __func__, s.what & allowedFlags);
-    }
-
-    if (s.what & layer_state_t::ePositionChanged) {
-        if (mRequestedTransform.tx() != s.x || mRequestedTransform.ty() != s.y) {
-            ALOGV("%s: false [ePositionChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eAlphaChanged) {
-        if (mDrawingState.color.a != s.alpha) {
-            ALOGV("%s: false [eAlphaChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eColorTransformChanged) {
-        if (mDrawingState.colorTransform != s.colorTransform) {
-            ALOGV("%s: false [eColorTransformChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBackgroundColorChanged) {
-        if (mDrawingState.bgColorLayer || s.bgColorAlpha != 0) {
-            ALOGV("%s: false [eBackgroundColorChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eMatrixChanged) {
-        if (mRequestedTransform.dsdx() != s.matrix.dsdx ||
-            mRequestedTransform.dtdy() != s.matrix.dtdy ||
-            mRequestedTransform.dtdx() != s.matrix.dtdx ||
-            mRequestedTransform.dsdy() != s.matrix.dsdy) {
-            ALOGV("%s: false [eMatrixChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eCornerRadiusChanged) {
-        if (mDrawingState.cornerRadius != s.cornerRadius) {
-            ALOGV("%s: false [eCornerRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBackgroundBlurRadiusChanged) {
-        if (mDrawingState.backgroundBlurRadius != static_cast<int>(s.backgroundBlurRadius)) {
-            ALOGV("%s: false [eBackgroundBlurRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTransformChanged) {
-        if (mDrawingState.bufferTransform != s.transform) {
-            ALOGV("%s: false [eTransformChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTransformToDisplayInverseChanged) {
-        if (mDrawingState.transformToDisplayInverse != s.transformToDisplayInverse) {
-            ALOGV("%s: false [eTransformToDisplayInverseChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eCropChanged) {
-        if (mDrawingState.crop != s.crop) {
-            ALOGV("%s: false [eCropChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDataspaceChanged) {
-        if (mDrawingState.dataspace != s.dataspace) {
-            ALOGV("%s: false [eDataspaceChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eHdrMetadataChanged) {
-        if (mDrawingState.hdrMetadata != s.hdrMetadata) {
-            ALOGV("%s: false [eHdrMetadataChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eSidebandStreamChanged) {
-        if (mDrawingState.sidebandStream != s.sidebandStream) {
-            ALOGV("%s: false [eSidebandStreamChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eColorSpaceAgnosticChanged) {
-        if (mDrawingState.colorSpaceAgnostic != s.colorSpaceAgnostic) {
-            ALOGV("%s: false [eColorSpaceAgnosticChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eShadowRadiusChanged) {
-        if (mDrawingState.shadowRadius != s.shadowRadius) {
-            ALOGV("%s: false [eShadowRadiusChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eFixedTransformHintChanged) {
-        if (mDrawingState.fixedTransformHint != s.fixedTransformHint) {
-            ALOGV("%s: false [eFixedTransformHintChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eTrustedOverlayChanged) {
-        if (mDrawingState.isTrustedOverlay != s.isTrustedOverlay) {
-            ALOGV("%s: false [eTrustedOverlayChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eStretchChanged) {
-        StretchEffect temp = s.stretchEffect;
-        temp.sanitize();
-        if (mDrawingState.stretchEffect != temp) {
-            ALOGV("%s: false [eStretchChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eBufferCropChanged) {
-        if (mDrawingState.bufferCrop != s.bufferCrop) {
-            ALOGV("%s: false [eBufferCropChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDestinationFrameChanged) {
-        if (mDrawingState.destinationFrame != s.destinationFrame) {
-            ALOGV("%s: false [eDestinationFrameChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    if (s.what & layer_state_t::eDimmingEnabledChanged) {
-        if (mDrawingState.dimmingEnabled != s.dimmingEnabled) {
-            ALOGV("%s: false [eDimmingEnabledChanged changed]", __func__);
-            return false;
-        }
-    }
-
-    ALOGV("%s: true", __func__);
-    return true;
-}
-
-} // namespace android
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
deleted file mode 100644
index 3f0dbe4..0000000
--- a/services/surfaceflinger/BufferStateLayer.h
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "BufferLayer.h"
-#include "Layer.h"
-
-#include <renderengine/Image.h>
-#include <renderengine/RenderEngine.h>
-#include <system/window.h>
-#include <utils/String8.h>
-
-#include <stack>
-
-namespace android {
-
-class SlotGenerationTest;
-
-class BufferStateLayer : public BufferLayer {
-public:
-    explicit BufferStateLayer(const LayerCreationArgs&);
-
-    ~BufferStateLayer() override;
-
-    // Implements Layer.
-    const char* getType() const override { return "BufferStateLayer"; }
-
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
-
-    void releasePendingBuffer(nsecs_t dequeueReadyTime) override;
-
-    void finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& glDoneFence,
-                                   const CompositorTiming& compositorTiming) override;
-
-    bool isBufferDue(nsecs_t /*expectedPresentTime*/) const override { return true; }
-
-    Region getActiveTransparentRegion(const Layer::State& s) const override {
-        return s.transparentRegionHint;
-    }
-    Rect getCrop(const Layer::State& s) const;
-
-    bool setTransform(uint32_t transform) override;
-    bool setTransformToDisplayInverse(bool transformToDisplayInverse) override;
-    bool setCrop(const Rect& crop) override;
-    bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
-                   const BufferData& bufferData, nsecs_t postTime, nsecs_t desiredPresentTime,
-                   bool isAutoTimestamp, std::optional<nsecs_t> dequeueTime,
-                   const FrameTimelineInfo& info) override;
-    bool setDataspace(ui::Dataspace dataspace) override;
-    bool setHdrMetadata(const HdrMetadata& hdrMetadata) override;
-    bool setSurfaceDamageRegion(const Region& surfaceDamage) override;
-    bool setApi(int32_t api) override;
-    bool setSidebandStream(const sp<NativeHandle>& sidebandStream) override;
-    bool setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) override;
-    bool setPosition(float /*x*/, float /*y*/) override;
-    bool setMatrix(const layer_state_t::matrix22_t& /*matrix*/);
-
-    // Override to ignore legacy layer state properties that are not used by BufferStateLayer
-    bool setSize(uint32_t /*w*/, uint32_t /*h*/) override { return false; }
-    bool setTransparentRegionHint(const Region& transparent) override;
-
-    Rect getBufferSize(const State& s) const override;
-    FloatRect computeSourceBounds(const FloatRect& parentBounds) const override;
-    void setAutoRefresh(bool autoRefresh) override;
-
-    bool setBufferCrop(const Rect& bufferCrop) override;
-    bool setDestinationFrame(const Rect& destinationFrame) override;
-    bool updateGeometry() override;
-
-    // -----------------------------------------------------------------------
-
-    // -----------------------------------------------------------------------
-    // Interface implementation for BufferLayer
-    // -----------------------------------------------------------------------
-    bool fenceHasSignaled() const override;
-    bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
-    bool onPreComposition(nsecs_t refreshStartTime) override;
-    uint32_t getEffectiveScalingMode() const override;
-
-    // See mPendingBufferTransactions
-    void decrementPendingBufferCount();
-    std::atomic<int32_t>* getPendingBufferCounter() override { return &mPendingBufferTransactions; }
-    std::string getPendingBufferCounterName() override { return mBlastTransactionName; }
-
-    bool shouldPresentNow(nsecs_t /*expectedPresentTime*/) const override { return true; }
-
-protected:
-    void gatherBufferInfo() override;
-    void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame);
-    ui::Transform getInputTransform() const override;
-    Rect getInputBounds() const override;
-
-private:
-    friend class SlotGenerationTest;
-    friend class TransactionFrameTracerTest;
-    friend class TransactionSurfaceFrameTest;
-
-    inline void tracePendingBufferCount(int32_t pendingBuffers);
-
-    bool updateFrameEventHistory(const sp<Fence>& acquireFence, nsecs_t postedTime,
-                                 nsecs_t requestedPresentTime);
-
-    bool latchSidebandStream(bool& recomputeVisibleRegions) override;
-
-    bool hasFrameUpdate() const override;
-
-    status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
-                            nsecs_t expectedPresentTime) override;
-
-    status_t updateActiveBuffer() override;
-    status_t updateFrameNumber() override;
-
-    sp<Layer> createClone() override;
-
-    // Crop that applies to the buffer
-    Rect computeBufferCrop(const State& s);
-
-    bool willPresentCurrentTransaction() const;
-
-    bool bufferNeedsFiltering() const override;
-
-    bool simpleBufferUpdate(const layer_state_t& s) const override;
-
-    ReleaseCallbackId mPreviousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
-    uint64_t mPreviousReleasedFrameNumber = 0;
-
-    uint64_t mPreviousBarrierFrameNumber = 0;
-
-    bool mReleasePreviousBuffer = false;
-
-    // Stores the last set acquire fence signal time used to populate the callback handle's acquire
-    // time.
-    std::variant<nsecs_t, sp<Fence>> mCallbackHandleAcquireTimeOrFence = -1;
-
-    std::deque<std::shared_ptr<android::frametimeline::SurfaceFrame>> mPendingJankClassifications;
-    // An upper bound on the number of SurfaceFrames in the pending classifications deque.
-    static constexpr int kPendingClassificationMaxSurfaceFrames = 25;
-
-    const std::string mBlastTransactionName{"BufferTX - " + mName};
-    // This integer is incremented everytime a buffer arrives at the server for this layer,
-    // and decremented when a buffer is dropped or latched. When changed the integer is exported
-    // to systrace with ATRACE_INT and mBlastTransactionName. This way when debugging perf it is
-    // possible to see when a buffer arrived at the server, and in which frame it latched.
-    //
-    // You can understand the trace this way:
-    //     - If the integer increases, a buffer arrived at the server.
-    //     - If the integer decreases in latchBuffer, that buffer was latched
-    //     - If the integer decreases in setBuffer or doTransaction, a buffer was dropped
-    std::atomic<int32_t> mPendingBufferTransactions{0};
-
-    // Contains requested position and matrix updates. This will be applied if the client does
-    // not specify a destination frame.
-    ui::Transform mRequestedTransform;
-
-    // TODO(marissaw): support sticky transform for LEGACY camera mode
-
-    class HwcSlotGenerator : public ClientCache::ErasedRecipient {
-    public:
-        HwcSlotGenerator() {
-            for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
-                mFreeHwcCacheSlots.push(i);
-            }
-        }
-
-        void bufferErased(const client_cache_t& clientCacheId);
-
-        int getHwcCacheSlot(const client_cache_t& clientCacheId);
-
-    private:
-        friend class SlotGenerationTest;
-        int addCachedBuffer(const client_cache_t& clientCacheId) REQUIRES(mMutex);
-        int getFreeHwcCacheSlot() REQUIRES(mMutex);
-        void evictLeastRecentlyUsed() REQUIRES(mMutex);
-        void eraseBufferLocked(const client_cache_t& clientCacheId) REQUIRES(mMutex);
-
-        struct CachedBufferHash {
-            std::size_t operator()(const client_cache_t& clientCacheId) const {
-                return std::hash<uint64_t>{}(clientCacheId.id);
-            }
-        };
-
-        std::mutex mMutex;
-
-        std::unordered_map<client_cache_t, std::pair<int /*HwcCacheSlot*/, uint64_t /*counter*/>,
-                           CachedBufferHash>
-                mCachedBuffers GUARDED_BY(mMutex);
-        std::stack<int /*HwcCacheSlot*/> mFreeHwcCacheSlots GUARDED_BY(mMutex);
-
-        // The cache increments this counter value when a slot is updated or used.
-        // Used to track the least recently-used buffer
-        uint64_t mCounter = 0;
-    };
-
-    sp<HwcSlotGenerator> mHwcSlotGenerator;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/Client.cpp b/services/surfaceflinger/Client.cpp
index 6d7b732..3685bb4 100644
--- a/services/surfaceflinger/Client.cpp
+++ b/services/surfaceflinger/Client.cpp
@@ -21,12 +21,16 @@
 
 #include <private/android_filesystem_config.h>
 
+#include <gui/AidlStatusUtil.h>
+
 #include "Client.h"
 #include "Layer.h"
 #include "SurfaceFlinger.h"
 
 namespace android {
 
+using gui::aidl_utils::binderStatusFromStatusT;
+
 // ---------------------------------------------------------------------------
 
 const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
@@ -72,52 +76,90 @@
     return lbc;
 }
 
-status_t Client::createSurface(const String8& name, uint32_t /* w */, uint32_t /* h */,
-                               PixelFormat /* format */, uint32_t flags,
-                               const sp<IBinder>& parentHandle, LayerMetadata metadata,
-                               sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* /* gbp */,
-                               int32_t* outLayerId, uint32_t* outTransformHint) {
+binder::Status Client::createSurface(const std::string& name, int32_t flags,
+                                     const sp<IBinder>& parent, const gui::LayerMetadata& metadata,
+                                     gui::CreateSurfaceResult* outResult) {
     // We rely on createLayer to check permissions.
-    LayerCreationArgs args(mFlinger.get(), this, name.c_str(), flags, std::move(metadata));
-    return mFlinger->createLayer(args, outHandle, parentHandle, outLayerId, nullptr,
-                                 outTransformHint);
+    sp<IBinder> handle;
+    int32_t layerId;
+    uint32_t transformHint;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this), name.c_str(),
+                           static_cast<uint32_t>(flags), std::move(metadata));
+    const status_t status =
+            mFlinger->createLayer(args, &handle, parent, &layerId, nullptr, &transformHint);
+    if (status == NO_ERROR) {
+        outResult->handle = handle;
+        outResult->layerId = layerId;
+        outResult->transformHint = static_cast<int32_t>(transformHint);
+    }
+    return binderStatusFromStatusT(status);
 }
 
-status_t Client::createWithSurfaceParent(const String8& /* name */, uint32_t /* w */,
-                                         uint32_t /* h */, PixelFormat /* format */,
-                                         uint32_t /* flags */,
-                                         const sp<IGraphicBufferProducer>& /* parent */,
-                                         LayerMetadata /* metadata */, sp<IBinder>* /* handle */,
-                                         sp<IGraphicBufferProducer>* /* gbp */,
-                                         int32_t* /* outLayerId */,
-                                         uint32_t* /* outTransformHint */) {
-    // This api does not make sense with blast since SF no longer tracks IGBP. This api should be
-    // removed.
-    return BAD_VALUE;
-}
-
-status_t Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
-                               int32_t* outLayerId) {
-    LayerCreationArgs args(mFlinger.get(), this, "MirrorRoot", 0 /* flags */, LayerMetadata());
-    return mFlinger->mirrorLayer(args, mirrorFromHandle, outHandle, outLayerId);
-}
-
-status_t Client::clearLayerFrameStats(const sp<IBinder>& handle) const {
+binder::Status Client::clearLayerFrameStats(const sp<IBinder>& handle) {
+    status_t status;
     sp<Layer> layer = getLayerUser(handle);
     if (layer == nullptr) {
-        return NAME_NOT_FOUND;
+        status = NAME_NOT_FOUND;
+    } else {
+        layer->clearFrameStats();
+        status = NO_ERROR;
     }
-    layer->clearFrameStats();
-    return NO_ERROR;
+    return binderStatusFromStatusT(status);
 }
 
-status_t Client::getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
+binder::Status Client::getLayerFrameStats(const sp<IBinder>& handle, gui::FrameStats* outStats) {
+    status_t status;
     sp<Layer> layer = getLayerUser(handle);
     if (layer == nullptr) {
-        return NAME_NOT_FOUND;
+        status = NAME_NOT_FOUND;
+    } else {
+        FrameStats stats;
+        layer->getFrameStats(&stats);
+        outStats->refreshPeriodNano = stats.refreshPeriodNano;
+        outStats->desiredPresentTimesNano.reserve(stats.desiredPresentTimesNano.size());
+        for (const auto& t : stats.desiredPresentTimesNano) {
+            outStats->desiredPresentTimesNano.push_back(t);
+        }
+        outStats->actualPresentTimesNano.reserve(stats.actualPresentTimesNano.size());
+        for (const auto& t : stats.actualPresentTimesNano) {
+            outStats->actualPresentTimesNano.push_back(t);
+        }
+        outStats->frameReadyTimesNano.reserve(stats.frameReadyTimesNano.size());
+        for (const auto& t : stats.frameReadyTimesNano) {
+            outStats->frameReadyTimesNano.push_back(t);
+        }
+        status = NO_ERROR;
     }
-    layer->getFrameStats(outStats);
-    return NO_ERROR;
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle,
+                                     gui::MirrorSurfaceResult* outResult) {
+    sp<IBinder> handle;
+    int32_t layerId;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this), "MirrorRoot",
+                           0 /* flags */, gui::LayerMetadata());
+    status_t status = mFlinger->mirrorLayer(args, mirrorFromHandle, &handle, &layerId);
+    if (status == NO_ERROR) {
+        outResult->handle = handle;
+        outResult->layerId = layerId;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status Client::mirrorDisplay(int64_t displayId, gui::MirrorSurfaceResult* outResult) {
+    sp<IBinder> handle;
+    int32_t layerId;
+    LayerCreationArgs args(mFlinger.get(), sp<Client>::fromExisting(this),
+                           "MirrorRoot-" + std::to_string(displayId), 0 /* flags */,
+                           gui::LayerMetadata());
+    std::optional<DisplayId> id = DisplayId::fromValue(static_cast<uint64_t>(displayId));
+    status_t status = mFlinger->mirrorDisplay(*id, args, &handle, &layerId);
+    if (status == NO_ERROR) {
+        outResult->handle = handle;
+        outResult->layerId = layerId;
+    }
+    return binderStatusFromStatusT(status);
 }
 
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/Client.h b/services/surfaceflinger/Client.h
index 15cd763..4e59dfd 100644
--- a/services/surfaceflinger/Client.h
+++ b/services/surfaceflinger/Client.h
@@ -24,15 +24,14 @@
 #include <utils/KeyedVector.h>
 #include <utils/Mutex.h>
 
-#include <gui/ISurfaceComposerClient.h>
+#include <android/gui/BnSurfaceComposerClient.h>
 
 namespace android {
 
 class Layer;
 class SurfaceFlinger;
 
-class Client : public BnSurfaceComposerClient
-{
+class Client : public gui::BnSurfaceComposerClient {
 public:
     explicit Client(const sp<SurfaceFlinger>& flinger);
     ~Client() = default;
@@ -47,25 +46,20 @@
 
 private:
     // ISurfaceComposerClient interface
-    virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
-                                   uint32_t flags, const sp<IBinder>& parent,
-                                   LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                   uint32_t* outTransformHint = nullptr);
 
-    virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
-                                             PixelFormat format, uint32_t flags,
-                                             const sp<IGraphicBufferProducer>& parent,
-                                             LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
-                                             uint32_t* outTransformHint = nullptr);
+    binder::Status createSurface(const std::string& name, int32_t flags, const sp<IBinder>& parent,
+                                 const gui::LayerMetadata& metadata,
+                                 gui::CreateSurfaceResult* outResult) override;
 
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* handle,
-                           int32_t* outLayerId);
+    binder::Status clearLayerFrameStats(const sp<IBinder>& handle) override;
 
-    virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const;
+    binder::Status getLayerFrameStats(const sp<IBinder>& handle,
+                                      gui::FrameStats* outStats) override;
 
-    virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const;
+    binder::Status mirrorSurface(const sp<IBinder>& mirrorFromHandle,
+                                 gui::MirrorSurfaceResult* outResult) override;
+
+    binder::Status mirrorDisplay(int64_t displayId, gui::MirrorSurfaceResult* outResult) override;
 
     // constant
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/ClientCache.cpp b/services/surfaceflinger/ClientCache.cpp
index 3c7b9d9..cf932a8 100644
--- a/services/surfaceflinger/ClientCache.cpp
+++ b/services/surfaceflinger/ClientCache.cpp
@@ -30,7 +30,7 @@
 
 ANDROID_SINGLETON_STATIC_INSTANCE(ClientCache);
 
-ClientCache::ClientCache() : mDeathRecipient(new CacheDeathRecipient) {}
+ClientCache::ClientCache() : mDeathRecipient(sp<CacheDeathRecipient>::make()) {}
 
 bool ClientCache::getBuffer(const client_cache_t& cacheId,
                             ClientCacheBuffer** outClientCacheBuffer) {
diff --git a/services/surfaceflinger/CompositionEngine/Android.bp b/services/surfaceflinger/CompositionEngine/Android.bp
index 11a9e19..b5d2ad0 100644
--- a/services/surfaceflinger/CompositionEngine/Android.bp
+++ b/services/surfaceflinger/CompositionEngine/Android.bp
@@ -9,7 +9,10 @@
 
 cc_defaults {
     name: "libcompositionengine_defaults",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
+        "surfaceflinger_defaults",
+    ],
     cflags: [
         "-DLOG_TAG=\"CompositionEngine\"",
         "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
@@ -20,7 +23,6 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.3",
         "android.hardware.power-V2-cpp",
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
index 3faa068..6832ae1 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
@@ -18,9 +18,10 @@
 
 #include <TimeStats/TimeStats.h>
 #include <utils/Timers.h>
-
 #include <memory>
 
+#include "Feature.h"
+
 namespace android {
 
 class HWComposer;
@@ -72,6 +73,8 @@
     // TODO(b/121291683): These will become private/internal
     virtual void preComposition(CompositionRefreshArgs&) = 0;
 
+    virtual FeatureFlags getFeatureFlags() const = 0;
+
     // Debugging
     virtual void dump(std::string&) const = 0;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
index f201751..f861fc9 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
@@ -32,6 +32,11 @@
 using Layers = std::vector<sp<compositionengine::LayerFE>>;
 using Outputs = std::vector<std::shared_ptr<compositionengine::Output>>;
 
+struct BorderRenderInfo {
+    float width = 0;
+    half4 color;
+    std::vector<int32_t> layerIds;
+};
 /**
  * A parameter object for refreshing a set of outputs
  */
@@ -90,6 +95,8 @@
 
     // If set, a frame has been scheduled for that time.
     std::optional<std::chrono::steady_clock::time_point> scheduledFrameTime;
+
+    std::vector<BorderRenderInfo> borderInfoList;
 };
 
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/TestUtils.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Feature.h
similarity index 66%
rename from services/surfaceflinger/CompositionEngine/tests/TestUtils.h
rename to services/surfaceflinger/CompositionEngine/include/compositionengine/Feature.h
index c80fde6..ee8000a 100644
--- a/services/surfaceflinger/CompositionEngine/tests/TestUtils.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Feature.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 The Android Open Source Project
+ * Copyright 2019 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,19 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #pragma once
 
-#include <future>
+#include <ftl/flags.h>
+#include <cstdint>
 
 namespace android::compositionengine {
-namespace {
 
-template <class T>
-std::future<T> futureOf(T obj) {
-    std::promise<T> resultPromise;
-    std::future<T> resultFuture = resultPromise.get_future();
-    resultPromise.set_value(std::move(obj));
-    return resultFuture;
-}
-} // namespace
-} // namespace android::compositionengine
+enum class Feature : int32_t {
+    kSnapshotLayerMetadata = 1 << 0,
+};
+
+using FeatureFlags = ftl::Flags<Feature>;
+
+} // namespace android::compositionengine
\ No newline at end of file
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
index ec610c1..fe8cad5 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFE.h
@@ -20,8 +20,6 @@
 #include <ostream>
 #include <unordered_set>
 
-#include <compositionengine/FenceResult.h>
-
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
@@ -33,6 +31,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 #include <ftl/future.h>
+#include <ui/FenceResult.h>
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
@@ -40,6 +39,10 @@
 
 class Fence;
 
+namespace gui {
+struct LayerMetadata;
+}
+
 namespace compositionengine {
 
 struct LayerFECompositionState;
@@ -54,31 +57,8 @@
     // Called before composition starts. Should return true if this layer has
     // pending updates which would require an extra display refresh cycle to
     // process.
-    virtual bool onPreComposition(nsecs_t refreshStartTime) = 0;
-
-    // Used with latchCompositionState()
-    enum class StateSubset {
-        // Gets the basic geometry (bounds, transparent region, visibility,
-        // transforms, alpha) for the layer, for computing visibility and
-        // coverage.
-        BasicGeometry,
-
-        // Gets the full geometry (crops, buffer transforms, metadata) and
-        // content (buffer or color) state for the layer.
-        GeometryAndContent,
-
-        // Gets the per frame content (buffer or color) state for the layer.
-        Content,
-
-        // Gets the cursor state for the layer.
-        Cursor,
-    };
-
-    // Prepares the output-independent composition state for the layer. The
-    // StateSubset argument selects what portion of the state is actually needed
-    // by the CompositionEngine code, since computing everything may be
-    // expensive.
-    virtual void prepareCompositionState(StateSubset) = 0;
+    virtual bool onPreComposition(nsecs_t refreshStartTime,
+                                  bool updatingOutputGeometryThisFrame) = 0;
 
     struct ClientCompositionTargetSettings {
         enum class BlurSetting {
@@ -150,11 +130,11 @@
         uint64_t frameNumber = 0;
     };
 
-    // Returns the z-ordered list of LayerSettings to pass to RenderEngine::drawLayers. The list
-    // may contain shadows casted by the layer or the content of the layer itself.  If the layer
-    // does not render then an empty list will be returned.
-    virtual std::vector<LayerSettings> prepareClientCompositionList(
-            ClientCompositionTargetSettings&) = 0;
+    // Returns the LayerSettings to pass to RenderEngine::drawLayers. The state may contain shadows
+    // casted by the layer or the content of the layer itself. If the layer does not render then an
+    // empty optional will be returned.
+    virtual std::optional<LayerSettings> prepareClientComposition(
+            ClientCompositionTargetSettings&) const = 0;
 
     // Called after the layer is displayed to update the presentation fence
     virtual void onLayerDisplayed(ftl::SharedFuture<FenceResult>) = 0;
@@ -168,6 +148,8 @@
     // Whether the layer should be rendered with rounded corners.
     virtual bool hasRoundedCorners() const = 0;
     virtual void setWasClientComposed(const sp<Fence>&) {}
+    virtual const gui::LayerMetadata* getMetadata() const = 0;
+    virtual const gui::LayerMetadata* getRelativeMetadata() const = 0;
 };
 
 // TODO(b/121291683): Specialize std::hash<> for sp<T> so these and others can
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
index 2203639..874b330 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/Output.h
@@ -262,9 +262,6 @@
     // Presents the output, finalizing all composition details
     virtual void present(const CompositionRefreshArgs&) = 0;
 
-    // Latches the front-end layer state for each output layer
-    virtual void updateLayerStateFromFE(const CompositionRefreshArgs&) const = 0;
-
     // Enables predicting composition strategy to run client composition earlier
     virtual void setPredictCompositionStrategy(bool) = 0;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
index bf5184e..6d0c395 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/OutputLayer.h
@@ -126,9 +126,9 @@
     // Returns true if the composition settings scale pixels
     virtual bool needsFiltering() const = 0;
 
-    // Returns a composition list to be used by RenderEngine if the layer has been overridden
+    // Returns LayerSettings to be used by RenderEngine if the layer has been overridden
     // during the composition process
-    virtual std::vector<LayerFE::LayerSettings> getOverrideCompositionList() const = 0;
+    virtual std::optional<LayerFE::LayerSettings> getOverrideCompositionSettings() const = 0;
 
     // Debugging
     virtual void dump(std::string& result) const = 0;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
index 9ee779c..5854674 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/RenderSurface.h
@@ -91,16 +91,9 @@
     // Called after the HWC calls are made to present the display
     virtual void onPresentDisplayCompleted() = 0;
 
-    // Called after the surface has been rendering to signal the surface should
-    // be made ready for displaying
-    virtual void flip() = 0;
-
     // Debugging - Dumps the state of the RenderSurface to a string
     virtual void dump(std::string& result) const = 0;
 
-    // Debugging - gets the page flip count for the RenderSurface
-    virtual std::uint32_t getPageFlipCount() const = 0;
-
     // Returns true if the render surface supports client composition prediction.
     virtual bool supportsCompositionStrategyPrediction() const = 0;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
index 386808d..dd4dbe9 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
@@ -48,11 +48,11 @@
 
     void preComposition(CompositionRefreshArgs&) override;
 
+    FeatureFlags getFeatureFlags() const override;
+
     // Debugging
     void dump(std::string&) const override;
 
-    void updateLayerStateFromFE(CompositionRefreshArgs& args);
-
     // Testing
     void setNeedsAnotherUpdateForTest(bool);
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index df721cd..23d5570 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -89,7 +89,6 @@
                                     compositionengine::Output::CoverageState&) override;
     void setReleasedLayers(const compositionengine::CompositionRefreshArgs&) override;
 
-    void updateLayerStateFromFE(const CompositionRefreshArgs&) const override;
     void updateCompositionState(const compositionengine::CompositionRefreshArgs&) override;
     void planComposition() override;
     void writeCompositionState(const compositionengine::CompositionRefreshArgs&) override;
@@ -152,8 +151,11 @@
     virtual const compositionengine::CompositionEngine& getCompositionEngine() const = 0;
     virtual void dumpState(std::string& out) const = 0;
 
+    bool mustRecompose() const;
+
 private:
     void dirtyEntireOutput();
+    void updateCompositionStateForBorder(const compositionengine::CompositionRefreshArgs&);
     compositionengine::OutputLayer* findLayerRequestingBackgroundComposition() const;
     void finishPrepareFrame();
     ui::Dataspace getBestDataspace(ui::Dataspace*, bool*) const;
@@ -170,6 +172,9 @@
     std::unique_ptr<ClientCompositionRequestCache> mClientCompositionRequestCache;
     std::unique_ptr<planner::Planner> mPlanner;
     std::unique_ptr<HwcAsyncWorker> mHwComposerAsyncWorker;
+
+    // Whether the content must be recomposed this frame.
+    bool mMustRecompose = false;
 };
 
 // This template factory function standardizes the implementation details of the
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index 7709b96..c291652 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -33,6 +33,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 #include <compositionengine/ProjectionSpace.h>
+#include <renderengine/BorderRenderInfo.h>
 #include <ui/LayerStack.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
@@ -164,6 +165,8 @@
 
     bool treat170mAsSrgb = false;
 
+    std::vector<renderengine::BorderRenderInfo> borderInfoList;
+
     uint64_t lastOutputLayerHash = 0;
     uint64_t outputLayerHash = 0;
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
index ecd432f..6d4abf9 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayer.h
@@ -18,6 +18,7 @@
 
 #include <cstdint>
 #include <memory>
+#include <optional>
 #include <string>
 
 #include <compositionengine/LayerFE.h>
@@ -57,7 +58,7 @@
     void prepareForDeviceLayerRequests() override;
     void applyDeviceLayerRequest(Hwc2::IComposerClient::LayerRequest request) override;
     bool needsFiltering() const override;
-    std::vector<LayerFE::LayerSettings> getOverrideCompositionList() const override;
+    std::optional<LayerFE::LayerSettings> getOverrideCompositionSettings() const override;
 
     void dump(std::string&) const override;
     virtual FloatRect calculateOutputSourceCrop(uint32_t internalDisplayRotationFlags) const;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
index e4cb113..1c14a43 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/RenderSurface.h
@@ -62,15 +62,12 @@
             base::unique_fd* bufferFence) override;
     void queueBuffer(base::unique_fd readyFence) override;
     void onPresentDisplayCompleted() override;
-    void flip() override;
     bool supportsCompositionStrategyPrediction() const override;
 
     // Debugging
     void dump(std::string& result) const override;
-    std::uint32_t getPageFlipCount() const override;
 
     // Testing
-    void setPageFlipCountForTest(std::uint32_t);
     void setSizeForTest(const ui::Size&);
     std::shared_ptr<renderengine::ExternalTexture>& mutableTextureForTest();
     base::unique_fd& mutableBufferReadyForTest();
@@ -89,7 +86,6 @@
     ui::Size mSize;
     const size_t mMaxTextureCacheSize;
     bool mProtected{false};
-    std::uint32_t mPageFlipCount{0};
 };
 
 std::unique_ptr<compositionengine::RenderSurface> createRenderSurface(
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
index f953d0b..a48cc6f 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
@@ -53,6 +53,8 @@
 
     MOCK_METHOD1(preComposition, void(CompositionRefreshArgs&));
 
+    MOCK_CONST_METHOD0(getFeatureFlags, FeatureFlags());
+
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
index 1c5c10f..14922a4 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/LayerFE.h
@@ -42,18 +42,19 @@
 
     MOCK_CONST_METHOD0(getCompositionState, const LayerFECompositionState*());
 
-    MOCK_METHOD1(onPreComposition, bool(nsecs_t));
+    MOCK_METHOD2(onPreComposition, bool(nsecs_t, bool));
 
-    MOCK_METHOD1(prepareCompositionState, void(compositionengine::LayerFE::StateSubset));
-    MOCK_METHOD1(prepareClientCompositionList,
-                 std::vector<compositionengine::LayerFE::LayerSettings>(
-                         compositionengine::LayerFE::ClientCompositionTargetSettings&));
+    MOCK_CONST_METHOD1(prepareClientComposition,
+                       std::optional<compositionengine::LayerFE::LayerSettings>(
+                               compositionengine::LayerFE::ClientCompositionTargetSettings&));
 
     MOCK_METHOD(void, onLayerDisplayed, (ftl::SharedFuture<FenceResult>), (override));
 
     MOCK_CONST_METHOD0(getDebugName, const char*());
     MOCK_CONST_METHOD0(getSequence, int32_t());
     MOCK_CONST_METHOD0(hasRoundedCorners, bool());
+    MOCK_CONST_METHOD0(getMetadata, gui::LayerMetadata*());
+    MOCK_CONST_METHOD0(getRelativeMetadata, gui::LayerMetadata*());
 };
 
 } // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
index 2a04949..7592cac 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/Output.h
@@ -91,7 +91,6 @@
                  void(sp<compositionengine::LayerFE>&, compositionengine::Output::CoverageState&));
     MOCK_METHOD1(setReleasedLayers, void(const compositionengine::CompositionRefreshArgs&));
 
-    MOCK_CONST_METHOD1(updateLayerStateFromFE, void(const CompositionRefreshArgs&));
     MOCK_METHOD1(updateCompositionState, void(const CompositionRefreshArgs&));
     MOCK_METHOD0(planComposition, void());
     MOCK_METHOD1(writeCompositionState, void(const CompositionRefreshArgs&));
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
index a6cb811..c22f1bf 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/OutputLayer.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <optional>
+
 #include <compositionengine/CompositionEngine.h>
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/Output.h>
@@ -51,7 +53,7 @@
     MOCK_METHOD0(prepareForDeviceLayerRequests, void());
     MOCK_METHOD1(applyDeviceLayerRequest, void(Hwc2::IComposerClient::LayerRequest request));
     MOCK_CONST_METHOD0(needsFiltering, bool());
-    MOCK_CONST_METHOD0(getOverrideCompositionList, std::vector<LayerFE::LayerSettings>());
+    MOCK_CONST_METHOD0(getOverrideCompositionSettings, std::optional<LayerFE::LayerSettings>());
 
     MOCK_CONST_METHOD1(dump, void(std::string&));
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
index e12aebb..af8d4bc 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/RenderSurface.h
@@ -42,9 +42,7 @@
     MOCK_METHOD1(dequeueBuffer, std::shared_ptr<renderengine::ExternalTexture>(base::unique_fd*));
     MOCK_METHOD1(queueBuffer, void(base::unique_fd));
     MOCK_METHOD0(onPresentDisplayCompleted, void());
-    MOCK_METHOD0(flip, void());
     MOCK_CONST_METHOD1(dump, void(std::string& result));
-    MOCK_CONST_METHOD0(getPageFlipCount, std::uint32_t());
     MOCK_CONST_METHOD0(supportsCompositionStrategyPrediction, bool());
 };
 
diff --git a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
index 6203dc6..a4e1fff 100644
--- a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
@@ -105,8 +105,6 @@
         }
     }
 
-    updateLayerStateFromFE(args);
-
     for (const auto& output : args.outputs) {
         output->present(args);
     }
@@ -119,8 +117,6 @@
     for (const auto& output : args.outputs) {
         for (auto* layer : output->getOutputLayersOrderedByZ()) {
             if (layer->isHardwareCursor()) {
-                // Latch the cursor composition state from each front-end layer.
-                layer->getLayerFE().prepareCompositionState(LayerFE::StateSubset::Cursor);
                 layer->writeCursorPositionToHWC();
             }
         }
@@ -136,7 +132,7 @@
     mRefreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
     for (auto& layer : args.layers) {
-        if (layer->onPreComposition(mRefreshStartTime)) {
+        if (layer->onPreComposition(mRefreshStartTime, args.updatingOutputGeometryThisFrame)) {
             needsAnotherUpdate = true;
         }
     }
@@ -144,6 +140,10 @@
     mNeedsAnotherUpdate = needsAnotherUpdate;
 }
 
+FeatureFlags CompositionEngine::getFeatureFlags() const {
+    return {};
+}
+
 void CompositionEngine::dump(std::string&) const {
     // The base class has no state to dump, but derived classes might.
 }
@@ -152,12 +152,5 @@
     mNeedsAnotherUpdate = value;
 }
 
-void CompositionEngine::updateLayerStateFromFE(CompositionRefreshArgs& args) {
-    // Update the composition state from each front-end layer
-    for (const auto& output : args.outputs) {
-        output->updateLayerStateFromFE(args);
-    }
-}
-
 } // namespace impl
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index 1ec6449..0b69d44 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -196,7 +196,7 @@
                             });
 
         if (hasQueuedFrames) {
-            releasedLayers.emplace_back(layerFE);
+            releasedLayers.emplace_back(wp<LayerFE>::fromExisting(layerFE));
         }
     }
 
@@ -248,7 +248,7 @@
         return false;
     }
 
-    const nsecs_t startTime = systemTime();
+    const TimePoint startTime = TimePoint::now();
 
     // Get any composition changes requested by the HWC device, and apply them.
     std::optional<android::HWComposer::DeviceRequestedChanges> changes;
@@ -266,7 +266,7 @@
     }
 
     if (isPowerHintSessionEnabled()) {
-        mPowerAdvisor->setHwcValidateTiming(mId, startTime, systemTime());
+        mPowerAdvisor->setHwcValidateTiming(mId, startTime, TimePoint::now());
         mPowerAdvisor->setRequiresClientComposition(mId, requiresClientComposition);
     }
 
@@ -370,7 +370,7 @@
 
     auto& hwc = getCompositionEngine().getHwComposer();
 
-    const nsecs_t startTime = systemTime();
+    const TimePoint startTime = TimePoint::now();
 
     if (isPowerHintSessionEnabled()) {
         if (!getCompositionEngine().getHwComposer().getComposer()->isSupported(
@@ -384,7 +384,7 @@
                                    getState().previousPresentFence);
 
     if (isPowerHintSessionEnabled()) {
-        mPowerAdvisor->setHwcPresentTiming(mId, startTime, systemTime());
+        mPowerAdvisor->setHwcPresentTiming(mId, startTime, TimePoint::now());
     }
 
     fences.presentFence = hwc.getPresentFence(*halDisplayIdOpt);
@@ -426,7 +426,7 @@
     // 1) It is being handled by hardware composer, which may need this to
     //    keep its virtual display state machine in sync, or
     // 2) There is work to be done (the dirty region isn't empty)
-    if (GpuVirtualDisplayId::tryCast(mId) && getDirtyRegion().isEmpty()) {
+    if (GpuVirtualDisplayId::tryCast(mId) && !mustRecompose()) {
         ALOGV("Skipping display composition");
         return;
     }
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index b724daa..e3f3680 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -501,7 +501,6 @@
     // appear on multiple outputs.
     if (!coverage.latchedLayers.count(layerFE)) {
         coverage.latchedLayers.insert(layerFE);
-        layerFE->prepareCompositionState(compositionengine::LayerFE::StateSubset::BasicGeometry);
     }
 
     // Only consider the layers on this output
@@ -725,14 +724,6 @@
     // The base class does nothing with this call.
 }
 
-void Output::updateLayerStateFromFE(const CompositionRefreshArgs& args) const {
-    for (auto* layer : getOutputLayersOrderedByZ()) {
-        layer->getLayerFE().prepareCompositionState(
-                args.updatingGeometryThisFrame ? LayerFE::StateSubset::GeometryAndContent
-                                               : LayerFE::StateSubset::Content);
-    }
-}
-
 void Output::updateCompositionState(const compositionengine::CompositionRefreshArgs& refreshArgs) {
     ATRACE_CALL();
     ALOGV(__FUNCTION__);
@@ -754,6 +745,44 @@
             forceClientComposition = false;
         }
     }
+
+    updateCompositionStateForBorder(refreshArgs);
+}
+
+void Output::updateCompositionStateForBorder(
+        const compositionengine::CompositionRefreshArgs& refreshArgs) {
+    std::unordered_map<int32_t, const Region*> layerVisibleRegionMap;
+    // Store a map of layerId to their computed visible region.
+    for (auto* layer : getOutputLayersOrderedByZ()) {
+        int layerId = (layer->getLayerFE()).getSequence();
+        layerVisibleRegionMap[layerId] = &((layer->getState()).visibleRegion);
+    }
+    OutputCompositionState& outputCompositionState = editState();
+    outputCompositionState.borderInfoList.clear();
+    bool clientComposeTopLayer = false;
+    for (const auto& borderInfo : refreshArgs.borderInfoList) {
+        renderengine::BorderRenderInfo info;
+        for (const auto& id : borderInfo.layerIds) {
+            info.combinedRegion.orSelf(*(layerVisibleRegionMap[id]));
+        }
+
+        if (!info.combinedRegion.isEmpty()) {
+            info.width = borderInfo.width;
+            info.color = borderInfo.color;
+            outputCompositionState.borderInfoList.emplace_back(std::move(info));
+            clientComposeTopLayer = true;
+        }
+    }
+
+    // In this situation we must client compose the top layer instead of using hwc
+    // because we want to draw the border above all else.
+    // This could potentially cause a bit of a performance regression if the top
+    // layer would have been rendered using hwc originally.
+    // TODO(b/227656283): Measure system's performance before enabling the border feature
+    if (clientComposeTopLayer) {
+        auto topLayer = getOutputLayerOrderedByZByIndex(getOutputLayerCount() - 1);
+        (topLayer->editState()).forceClientComposition = true;
+    }
 }
 
 void Output::planComposition() {
@@ -977,17 +1006,17 @@
     //   frame, then nothing more until we get new layers.
     // - When a display is created with a private layer stack, we won't
     //   emit any black frames until a layer is added to the layer stack.
-    const bool mustRecompose = dirty && !(empty && wasEmpty);
+    mMustRecompose = dirty && !(empty && wasEmpty);
 
     const char flagPrefix[] = {'-', '+'};
     static_cast<void>(flagPrefix);
-    ALOGV_IF("%s: %s composition for %s (%cdirty %cempty %cwasEmpty)", __FUNCTION__,
-             mustRecompose ? "doing" : "skipping", getName().c_str(), flagPrefix[dirty],
-             flagPrefix[empty], flagPrefix[wasEmpty]);
+    ALOGV("%s: %s composition for %s (%cdirty %cempty %cwasEmpty)", __func__,
+          mMustRecompose ? "doing" : "skipping", getName().c_str(), flagPrefix[dirty],
+          flagPrefix[empty], flagPrefix[wasEmpty]);
 
-    mRenderSurface->beginFrame(mustRecompose);
+    mRenderSurface->beginFrame(mMustRecompose);
 
-    if (mustRecompose) {
+    if (mMustRecompose) {
         outputState.lastCompositionHadVisibleLayers = !empty;
     }
 }
@@ -1122,7 +1151,8 @@
 
     if (isPowerHintSessionEnabled()) {
         // get fence end time to know when gpu is complete in display
-        setHintSessionGpuFence(std::make_unique<FenceTime>(new Fence(dup(optReadyFence->get()))));
+        setHintSessionGpuFence(
+                std::make_unique<FenceTime>(sp<Fence>::make(dup(optReadyFence->get()))));
     }
     // swap buffers (presentation)
     mRenderSurface->queueBuffer(std::move(*optReadyFence));
@@ -1220,6 +1250,13 @@
 
     // Compute the global color transform matrix.
     clientCompositionDisplay.colorTransform = outputState.colorTransformMatrix;
+    for (auto& info : outputState.borderInfoList) {
+        renderengine::BorderRenderInfo borderInfo;
+        borderInfo.width = info.width;
+        borderInfo.color = info.color;
+        borderInfo.combinedRegion = info.combinedRegion;
+        clientCompositionDisplay.borderInfoList.emplace_back(std::move(borderInfo));
+    }
     clientCompositionDisplay.deviceHandlesColorTransform =
             outputState.usesDeviceComposition || getSkipColorTransform();
 
@@ -1284,11 +1321,10 @@
     // over to RenderEngine, in which case this flag can be removed from the drawLayers interface.
     const bool useFramebufferCache = outputState.layerFilter.toInternalDisplay;
 
-    auto fenceResult =
-            toFenceResult(renderEngine
-                                  .drawLayers(clientCompositionDisplay, clientRenderEngineLayers,
-                                              tex, useFramebufferCache, std::move(fd))
-                                  .get());
+    auto fenceResult = renderEngine
+                               .drawLayers(clientCompositionDisplay, clientRenderEngineLayers, tex,
+                                           useFramebufferCache, std::move(fd))
+                               .get();
 
     if (mClientCompositionRequestCache && fenceStatus(fenceResult) != NO_ERROR) {
         // If rendering was not successful, remove the request from the cache.
@@ -1320,7 +1356,7 @@
     bool firstLayer = true;
 
     bool disableBlurs = false;
-    sp<GraphicBuffer> previousOverrideBuffer = nullptr;
+    uint64_t previousOverrideBufferId = 0;
 
     for (auto* layer : getOutputLayersOrderedByZ()) {
         const auto& layerState = layer->getState();
@@ -1356,11 +1392,10 @@
                 !layerState.visibleRegion.subtract(layerState.shadowRegion).isEmpty();
 
         if (clientComposition || clearClientComposition) {
-            std::vector<LayerFE::LayerSettings> results;
-            if (layer->getState().overrideInfo.buffer != nullptr) {
-                if (layer->getState().overrideInfo.buffer->getBuffer() != previousOverrideBuffer) {
-                    results = layer->getOverrideCompositionList();
-                    previousOverrideBuffer = layer->getState().overrideInfo.buffer->getBuffer();
+            if (auto overrideSettings = layer->getOverrideCompositionSettings()) {
+                if (overrideSettings->bufferId != previousOverrideBufferId) {
+                    previousOverrideBufferId = overrideSettings->bufferId;
+                    clientCompositionLayers.push_back(std::move(*overrideSettings));
                     ALOGV("Replacing [%s] with override in RE", layer->getLayerFE().getDebugName());
                 } else {
                     ALOGV("Skipping redundant override buffer for [%s] in RE",
@@ -1386,20 +1421,18 @@
                                        .clearContent = !clientComposition,
                                        .blurSetting = blurSetting,
                                        .whitePointNits = layerState.whitePointNits};
-                results = layerFE.prepareClientCompositionList(targetSettings);
-                if (realContentIsVisible && !results.empty()) {
-                    layer->editState().clientCompositionTimestamp = systemTime();
+                if (auto clientCompositionSettings =
+                            layerFE.prepareClientComposition(targetSettings)) {
+                    clientCompositionLayers.push_back(std::move(*clientCompositionSettings));
+                    if (realContentIsVisible) {
+                        layer->editState().clientCompositionTimestamp = systemTime();
+                    }
                 }
             }
 
             if (clientComposition) {
                 outLayerFEs.push_back(&layerFE);
             }
-
-            clientCompositionLayers.insert(clientCompositionLayers.end(),
-                                           std::make_move_iterator(results.begin()),
-                                           std::make_move_iterator(results.end()));
-            results.clear();
         }
 
         firstLayer = false;
@@ -1447,7 +1480,6 @@
 
     auto& outputState = editState();
     outputState.dirtyRegion.clear();
-    mRenderSurface->flip();
 
     auto frame = presentAndGetFrameFences();
 
@@ -1590,5 +1622,9 @@
     mRenderSurface->prepareFrame(state.usesClientComposition, state.usesDeviceComposition);
 }
 
+bool Output::mustRecompose() const {
+    return mMustRecompose;
+}
+
 } // namespace impl
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
index 948c0c9..c512a1e 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
@@ -62,14 +62,18 @@
     dumpVal(out, "sdrWhitePointNits", sdrWhitePointNits);
     dumpVal(out, "clientTargetBrightness", clientTargetBrightness);
     dumpVal(out, "displayBrightness", displayBrightness);
-
     out.append("\n   ");
     dumpVal(out, "compositionStrategyPredictionState", ftl::enum_string(strategyPrediction));
+    out.append("\n   ");
 
     out.append("\n   ");
     dumpVal(out, "treate170mAsSrgb", treat170mAsSrgb);
 
-    out += '\n';
+    out.append("\n");
+    for (const auto& borderRenderInfo : borderInfoList) {
+        dumpVal(out, "borderRegion", borderRenderInfo.combinedRegion);
+    }
+    out.append("\n");
 }
 
 } // namespace android::compositionengine::impl
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index 1bb9d0eb..a39c527 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -787,7 +787,7 @@
             sourceCrop.getWidth() != displayFrame.getWidth();
 }
 
-std::vector<LayerFE::LayerSettings> OutputLayer::getOverrideCompositionList() const {
+std::optional<LayerFE::LayerSettings> OutputLayer::getOverrideCompositionSettings() const {
     if (getState().overrideInfo.buffer == nullptr) {
         return {};
     }
@@ -816,7 +816,7 @@
     settings.alpha = 1.0f;
     settings.whitePointNits = getOutput().getState().sdrWhitePointNits;
 
-    return {static_cast<LayerFE::LayerSettings>(settings)};
+    return settings;
 }
 
 void OutputLayer::dump(std::string& out) const {
diff --git a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
index 5a3af7b..0fe55db 100644
--- a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
@@ -251,10 +251,6 @@
     mDisplaySurface->onFrameCommitted();
 }
 
-void RenderSurface::flip() {
-    mPageFlipCount++;
-}
-
 void RenderSurface::dump(std::string& out) const {
     using android::base::StringAppendF;
 
@@ -265,7 +261,6 @@
     dumpVal(out, "size", mSize);
     StringAppendF(&out, "ANativeWindow=%p (format %d) ", mNativeWindow.get(),
                   ANativeWindow_getFormat(mNativeWindow.get()));
-    dumpVal(out, "flips", mPageFlipCount);
     out.append("\n");
 
     String8 surfaceDump;
@@ -273,14 +268,6 @@
     out.append(surfaceDump);
 }
 
-std::uint32_t RenderSurface::getPageFlipCount() const {
-    return mPageFlipCount;
-}
-
-void RenderSurface::setPageFlipCountForTest(std::uint32_t count) {
-    mPageFlipCount = count;
-}
-
 void RenderSurface::setSizeForTest(const ui::Size& size) {
     mSize = size;
 }
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
index d6f02ee..0731d48 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
@@ -193,11 +193,11 @@
     std::vector<renderengine::LayerSettings> layerSettings;
     renderengine::LayerSettings highlight;
     for (const auto& layer : mLayers) {
-        const auto clientCompositionList =
-                layer.getState()->getOutputLayer()->getLayerFE().prepareClientCompositionList(
-                        targetSettings);
-        layerSettings.insert(layerSettings.end(), clientCompositionList.cbegin(),
-                             clientCompositionList.cend());
+        if (auto clientCompositionSettings =
+                    layer.getState()->getOutputLayer()->getLayerFE().prepareClientComposition(
+                            targetSettings)) {
+            layerSettings.push_back(std::move(*clientCompositionSettings));
+        }
     }
 
     renderengine::LayerSettings blurLayerSettings;
@@ -205,43 +205,40 @@
         auto blurSettings = targetSettings;
         blurSettings.blurSetting =
                 LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly;
-        auto clientCompositionList =
-                mBlurLayer->getOutputLayer()->getLayerFE().prepareClientCompositionList(
-                        blurSettings);
-        blurLayerSettings = clientCompositionList.back();
+
+        auto blurLayerSettings =
+                mBlurLayer->getOutputLayer()->getLayerFE().prepareClientComposition(blurSettings);
         // This mimics Layer::prepareClearClientComposition
-        blurLayerSettings.skipContentDraw = true;
-        blurLayerSettings.name = std::string("blur layer");
+        blurLayerSettings->skipContentDraw = true;
+        blurLayerSettings->name = std::string("blur layer");
         // Clear out the shadow settings
-        blurLayerSettings.shadow = {};
-        layerSettings.push_back(blurLayerSettings);
+        blurLayerSettings->shadow = {};
+        layerSettings.push_back(std::move(*blurLayerSettings));
     }
 
-    renderengine::LayerSettings holePunchSettings;
-    renderengine::LayerSettings holePunchBackgroundSettings;
     if (mHolePunchLayer) {
         auto& layerFE = mHolePunchLayer->getOutputLayer()->getLayerFE();
-        auto clientCompositionList = layerFE.prepareClientCompositionList(targetSettings);
-        // Assume that the final layer contains the buffer that we want to
-        // replace with a hole punch.
-        holePunchSettings = clientCompositionList.back();
+
+        auto holePunchSettings = layerFE.prepareClientComposition(targetSettings);
         // This mimics Layer::prepareClearClientComposition
-        holePunchSettings.source.buffer.buffer = nullptr;
-        holePunchSettings.source.solidColor = half3(0.0f, 0.0f, 0.0f);
-        holePunchSettings.disableBlending = true;
-        holePunchSettings.alpha = 0.0f;
-        holePunchSettings.name =
+        holePunchSettings->source.buffer.buffer = nullptr;
+        holePunchSettings->source.solidColor = half3(0.0f, 0.0f, 0.0f);
+        holePunchSettings->disableBlending = true;
+        holePunchSettings->alpha = 0.0f;
+        holePunchSettings->name =
                 android::base::StringPrintf("hole punch layer for %s", layerFE.getDebugName());
-        layerSettings.push_back(holePunchSettings);
 
         // Add a solid background as the first layer in case there is no opaque
         // buffer behind the punch hole
+        renderengine::LayerSettings holePunchBackgroundSettings;
         holePunchBackgroundSettings.alpha = 1.0f;
         holePunchBackgroundSettings.name = std::string("holePunchBackground");
-        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings.geometry.boundaries;
+        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings->geometry.boundaries;
         holePunchBackgroundSettings.geometry.positionTransform =
-                holePunchSettings.geometry.positionTransform;
-        layerSettings.emplace(layerSettings.begin(), holePunchBackgroundSettings);
+                holePunchSettings->geometry.positionTransform;
+        layerSettings.emplace(layerSettings.begin(), std::move(holePunchBackgroundSettings));
+
+        layerSettings.push_back(std::move(*holePunchSettings));
     }
 
     if (sDebugHighlighLayers) {
@@ -276,11 +273,10 @@
 
     constexpr bool kUseFramebufferCache = false;
 
-    auto fenceResult =
-            toFenceResult(renderEngine
-                                  .drawLayers(displaySettings, layerSettings, texture->get(),
-                                              kUseFramebufferCache, std::move(bufferFence))
-                                  .get());
+    auto fenceResult = renderEngine
+                               .drawLayers(displaySettings, layerSettings, texture->get(),
+                                           kUseFramebufferCache, std::move(bufferFence))
+                               .get();
 
     if (fenceStatus(fenceResult) == NO_ERROR) {
         mDrawFence = std::move(fenceResult).value_or(Fence::NO_FENCE);
diff --git a/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp b/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
index de9de01..b570979 100644
--- a/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/CompositionEngineTest.cpp
@@ -108,12 +108,6 @@
     EXPECT_CALL(*mOutput2, prepare(Ref(mRefreshArgs), _));
     EXPECT_CALL(*mOutput3, prepare(Ref(mRefreshArgs), _));
 
-    // The next step in presenting is to make sure all outputs have the latest
-    // state from the front-end (SurfaceFlinger).
-    EXPECT_CALL(*mOutput1, updateLayerStateFromFE(Ref(mRefreshArgs)));
-    EXPECT_CALL(*mOutput2, updateLayerStateFromFE(Ref(mRefreshArgs)));
-    EXPECT_CALL(*mOutput3, updateLayerStateFromFE(Ref(mRefreshArgs)));
-
     // The last step is to actually present each output.
     EXPECT_CALL(*mOutput1, present(Ref(mRefreshArgs)));
     EXPECT_CALL(*mOutput2, present(Ref(mRefreshArgs)));
@@ -175,21 +169,18 @@
     {
         InSequence seq;
         EXPECT_CALL(mOutput2Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput2Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput2Layer1.outputLayer, writeCursorPositionToHWC());
     }
 
     {
         InSequence seq;
         EXPECT_CALL(mOutput3Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput3Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput3Layer1.outputLayer, writeCursorPositionToHWC());
     }
 
     {
         InSequence seq;
         EXPECT_CALL(mOutput3Layer2.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
-        EXPECT_CALL(*mOutput3Layer2.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
         EXPECT_CALL(mOutput3Layer2.outputLayer, writeCursorPositionToHWC());
     }
 
@@ -222,9 +213,12 @@
     nsecs_t ts1 = 0;
     nsecs_t ts2 = 0;
     nsecs_t ts3 = 0;
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts1), Return(false)));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts2), Return(false)));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts3), Return(false)));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts1), Return(false)));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts2), Return(false)));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _))
+            .WillOnce(DoAll(SaveArg<0>(&ts3), Return(false)));
 
     mRefreshArgs.outputs = {mOutput1};
     mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
@@ -238,9 +232,9 @@
 }
 
 TEST_F(CompositionTestPreComposition, preCompositionDefaultsToNoUpdateNeeded) {
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _)).WillOnce(Return(false));
 
     mEngine.setNeedsAnotherUpdateForTest(true);
 
@@ -255,9 +249,9 @@
 
 TEST_F(CompositionTestPreComposition,
        preCompositionSetsNeedsAnotherUpdateIfAtLeastOneLayerRequestsIt) {
-    EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(true));
-    EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer1FE, onPreComposition(_, _)).WillOnce(Return(true));
+    EXPECT_CALL(*mLayer2FE, onPreComposition(_, _)).WillOnce(Return(false));
+    EXPECT_CALL(*mLayer3FE, onPreComposition(_, _)).WillOnce(Return(false));
 
     mRefreshArgs.outputs = {mOutput1};
     mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
diff --git a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
index 344fea3..95459c0 100644
--- a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
@@ -194,7 +194,7 @@
     StrictMock<Hwc2::mock::PowerAdvisor> mPowerAdvisor;
     StrictMock<renderengine::mock::RenderEngine> mRenderEngine;
     StrictMock<mock::CompositionEngine> mCompositionEngine;
-    sp<mock::NativeWindow> mNativeWindow = new StrictMock<mock::NativeWindow>();
+    sp<mock::NativeWindow> mNativeWindow = sp<StrictMock<mock::NativeWindow>>::make();
 };
 
 struct PartialMockDisplayTestCommon : public DisplayTestCommon {
@@ -524,7 +524,7 @@
     auto args = getDisplayCreationArgsForGpuVirtualDisplay();
     std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
 
-    sp<mock::LayerFE> layerXLayerFE = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> layerXLayerFE = sp<StrictMock<mock::LayerFE>>::make();
 
     {
         Output::ReleasedLayers releasedLayers;
@@ -542,7 +542,7 @@
 }
 
 TEST_F(DisplaySetReleasedLayersTest, doesNothingIfNoLayersWithQueuedFrames) {
-    sp<mock::LayerFE> layerXLayerFE = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> layerXLayerFE = sp<StrictMock<mock::LayerFE>>::make();
 
     {
         Output::ReleasedLayers releasedLayers;
@@ -558,7 +558,7 @@
 }
 
 TEST_F(DisplaySetReleasedLayersTest, setReleasedLayers) {
-    sp<mock::LayerFE> unknownLayer = new StrictMock<mock::LayerFE>();
+    sp<mock::LayerFE> unknownLayer = sp<StrictMock<mock::LayerFE>>::make();
 
     CompositionRefreshArgs refreshArgs;
     refreshArgs.layersWithQueuedFrames.push_back(mLayer1.layerFE);
@@ -897,9 +897,9 @@
 }
 
 TEST_F(DisplayPresentAndGetFrameFencesTest, returnsPresentAndLayerFences) {
-    sp<Fence> presentFence = new Fence();
-    sp<Fence> layer1Fence = new Fence();
-    sp<Fence> layer2Fence = new Fence();
+    sp<Fence> presentFence = sp<Fence>::make();
+    sp<Fence> layer1Fence = sp<Fence>::make();
+    sp<Fence> layer2Fence = sp<Fence>::make();
 
     EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _, _))
             .Times(1);
@@ -971,16 +971,40 @@
 
     // We expect no calls to queueBuffer if composition was skipped.
     EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(0);
+    EXPECT_CALL(*renderSurface, beginFrame(false));
 
     gpuDisplay->editState().isEnabled = true;
     gpuDisplay->editState().usesClientComposition = false;
     gpuDisplay->editState().layerStackSpace.setContent(Rect(0, 0, 1, 1));
     gpuDisplay->editState().dirtyRegion = Region::INVALID_REGION;
+    gpuDisplay->editState().lastCompositionHadVisibleLayers = true;
 
+    gpuDisplay->beginFrame();
     gpuDisplay->finishFrame({}, std::move(mResultWithoutBuffer));
 }
 
-TEST_F(DisplayFinishFrameTest, performsCompositionIfDirty) {
+TEST_F(DisplayFinishFrameTest, skipsCompositionIfEmpty) {
+    auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+    std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
+
+    mock::RenderSurface* renderSurface = new StrictMock<mock::RenderSurface>();
+    gpuDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
+
+    // We expect no calls to queueBuffer if composition was skipped.
+    EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(0);
+    EXPECT_CALL(*renderSurface, beginFrame(false));
+
+    gpuDisplay->editState().isEnabled = true;
+    gpuDisplay->editState().usesClientComposition = false;
+    gpuDisplay->editState().layerStackSpace.setContent(Rect(0, 0, 1, 1));
+    gpuDisplay->editState().dirtyRegion = Region(Rect(0, 0, 1, 1));
+    gpuDisplay->editState().lastCompositionHadVisibleLayers = false;
+
+    gpuDisplay->beginFrame();
+    gpuDisplay->finishFrame({}, std::move(mResultWithoutBuffer));
+}
+
+TEST_F(DisplayFinishFrameTest, performsCompositionIfDirtyAndNotEmpty) {
     auto args = getDisplayCreationArgsForGpuVirtualDisplay();
     std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
 
@@ -989,11 +1013,15 @@
 
     // We expect a single call to queueBuffer when composition is not skipped.
     EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(1);
+    EXPECT_CALL(*renderSurface, beginFrame(true));
 
     gpuDisplay->editState().isEnabled = true;
     gpuDisplay->editState().usesClientComposition = false;
     gpuDisplay->editState().layerStackSpace.setContent(Rect(0, 0, 1, 1));
     gpuDisplay->editState().dirtyRegion = Region(Rect(0, 0, 1, 1));
+    gpuDisplay->editState().lastCompositionHadVisibleLayers = true;
+
+    gpuDisplay->beginFrame();
     gpuDisplay->finishFrame({}, std::move(mResultWithBuffer));
 }
 
@@ -1018,8 +1046,8 @@
     NiceMock<android::mock::HWComposer> mHwComposer;
     NiceMock<Hwc2::mock::PowerAdvisor> mPowerAdvisor;
     NiceMock<mock::CompositionEngine> mCompositionEngine;
-    sp<mock::NativeWindow> mNativeWindow = new NiceMock<mock::NativeWindow>();
-    sp<mock::DisplaySurface> mDisplaySurface = new NiceMock<mock::DisplaySurface>();
+    sp<mock::NativeWindow> mNativeWindow = sp<NiceMock<mock::NativeWindow>>::make();
+    sp<mock::DisplaySurface> mDisplaySurface = sp<NiceMock<mock::DisplaySurface>>::make();
     std::shared_ptr<Display> mDisplay;
     impl::RenderSurface* mRenderSurface;
 
diff --git a/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp b/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
index 00eafb1..7197780 100644
--- a/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/HwcBufferCacheTest.cpp
@@ -66,8 +66,10 @@
     }
 
     impl::HwcBufferCache mCache;
-    sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
+    sp<GraphicBuffer> mBuffer1 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    sp<GraphicBuffer> mBuffer2 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
 };
 
 TEST_F(HwcBufferCacheTest, cacheWorksForSlotZero) {
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index d7704a8..9102139 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -70,6 +70,7 @@
     MOCK_METHOD1(disconnectDisplay, void(HalDisplayId));
     MOCK_CONST_METHOD1(hasDeviceComposition, bool(const std::optional<DisplayId>&));
     MOCK_CONST_METHOD1(getPresentFence, sp<Fence>(HalDisplayId));
+    MOCK_METHOD(nsecs_t, getPresentTimestamp, (PhysicalDisplayId), (const, override));
     MOCK_CONST_METHOD2(getLayerReleaseFence, sp<Fence>(HalDisplayId, HWC2::Layer*));
     MOCK_METHOD3(setOutputBuffer,
                  status_t(HalVirtualDisplayId, const sp<Fence>&, const sp<GraphicBuffer>&));
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
index c8bd5e4..e220541 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
@@ -38,7 +38,7 @@
     MOCK_METHOD(bool, usePowerHintSession, (), (override));
     MOCK_METHOD(bool, supportsPowerHintSession, (), (override));
     MOCK_METHOD(bool, isPowerHintSessionRunning, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
     MOCK_METHOD(void, sendActualWorkDuration, (), (override));
     MOCK_METHOD(void, sendPredictedWorkDuration, (), (override));
     MOCK_METHOD(void, enablePowerHint, (bool enabled), (override));
@@ -46,25 +46,24 @@
     MOCK_METHOD(void, setGpuFenceTime,
                 (DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime), (override));
     MOCK_METHOD(void, setHwcValidateTiming,
-                (DisplayId displayId, nsecs_t valiateStartTime, nsecs_t validateEndTime),
+                (DisplayId displayId, TimePoint validateStartTime, TimePoint validateEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentTiming,
-                (DisplayId displayId, nsecs_t presentStartTime, nsecs_t presentEndTime),
+                (DisplayId displayId, TimePoint presentStartTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setSkippedValidate, (DisplayId displayId, bool skipped), (override));
     MOCK_METHOD(void, setRequiresClientComposition,
                 (DisplayId displayId, bool requiresClientComposition), (override));
-    MOCK_METHOD(void, setExpectedPresentTime, (nsecs_t expectedPresentTime), (override));
-    MOCK_METHOD(void, setSfPresentTiming, (nsecs_t presentFenceTime, nsecs_t presentEndTime),
+    MOCK_METHOD(void, setExpectedPresentTime, (TimePoint expectedPresentTime), (override));
+    MOCK_METHOD(void, setSfPresentTiming, (TimePoint presentFenceTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentDelayedTime,
-                (DisplayId displayId,
-                 std::chrono::steady_clock::time_point earliestFrameStartTime));
-    MOCK_METHOD(void, setFrameDelay, (nsecs_t frameDelayDuration), (override));
-    MOCK_METHOD(void, setCommitStart, (nsecs_t commitStartTime), (override));
-    MOCK_METHOD(void, setCompositeEnd, (nsecs_t compositeEndtime), (override));
+                (DisplayId displayId, TimePoint earliestFrameStartTime));
+    MOCK_METHOD(void, setFrameDelay, (Duration frameDelayDuration), (override));
+    MOCK_METHOD(void, setCommitStart, (TimePoint commitStartTime), (override));
+    MOCK_METHOD(void, setCompositeEnd, (TimePoint compositeEndTime), (override));
     MOCK_METHOD(void, setDisplays, (std::vector<DisplayId> & displayIds), (override));
-    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (Duration targetDuration), (override));
 };
 
 } // namespace mock
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index 5290bd9..0f7dce8 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -955,11 +955,11 @@
         reinterpret_cast<native_handle_t*>(1031);
 const sp<GraphicBuffer> OutputLayerWriteStateToHWCTest::kBuffer;
 const sp<GraphicBuffer> OutputLayerWriteStateToHWCTest::kOverrideBuffer =
-        new GraphicBuffer(4, 5, PIXEL_FORMAT_RGBA_8888,
-                          AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
-                                  AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN);
+        sp<GraphicBuffer>::make(4, 5, PIXEL_FORMAT_RGBA_8888,
+                                AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
+                                        AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN);
 const sp<Fence> OutputLayerWriteStateToHWCTest::kFence;
-const sp<Fence> OutputLayerWriteStateToHWCTest::kOverrideFence = new Fence();
+const sp<Fence> OutputLayerWriteStateToHWCTest::kOverrideFence = sp<Fence>::make();
 const std::string OutputLayerWriteStateToHWCTest::kLayerGenericMetadata1Key =
         "com.example.metadata.1";
 const std::vector<uint8_t> OutputLayerWriteStateToHWCTest::kLayerGenericMetadata1Value{{1, 2, 3}};
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index cf12890..eb209e9 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -39,7 +39,6 @@
 #include "CallOrderStateMachineHelper.h"
 #include "MockHWC2.h"
 #include "RegionMatcher.h"
-#include "TestUtils.h"
 
 namespace android::compositionengine {
 namespace {
@@ -293,7 +292,7 @@
     InjectedLayer layer;
     layer.outputLayerState.overrideInfo.buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), renderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), renderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     injectOutputLayer(layer);
@@ -759,56 +758,6 @@
 }
 
 /*
- * Output::updateLayerStateFromFE()
- */
-
-using OutputUpdateLayerStateFromFETest = OutputTest;
-
-TEST_F(OutputUpdateLayerStateFromFETest, handlesNoOutputLayerCase) {
-    CompositionRefreshArgs refreshArgs;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-TEST_F(OutputUpdateLayerStateFromFETest, preparesContentStateForAllContainedLayers) {
-    InjectedLayer layer1;
-    InjectedLayer layer2;
-    InjectedLayer layer3;
-
-    EXPECT_CALL(*layer1.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-    EXPECT_CALL(*layer2.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-    EXPECT_CALL(*layer3.layerFE.get(), prepareCompositionState(LayerFE::StateSubset::Content));
-
-    injectOutputLayer(layer1);
-    injectOutputLayer(layer2);
-    injectOutputLayer(layer3);
-
-    CompositionRefreshArgs refreshArgs;
-    refreshArgs.updatingGeometryThisFrame = false;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-TEST_F(OutputUpdateLayerStateFromFETest, preparesGeometryAndContentStateForAllContainedLayers) {
-    InjectedLayer layer1;
-    InjectedLayer layer2;
-    InjectedLayer layer3;
-
-    EXPECT_CALL(*layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-    EXPECT_CALL(*layer2.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-    EXPECT_CALL(*layer3.layerFE, prepareCompositionState(LayerFE::StateSubset::GeometryAndContent));
-
-    injectOutputLayer(layer1);
-    injectOutputLayer(layer2);
-    injectOutputLayer(layer3);
-
-    CompositionRefreshArgs refreshArgs;
-    refreshArgs.updatingGeometryThisFrame = true;
-
-    mOutput->updateLayerStateFromFE(refreshArgs);
-}
-
-/*
  * Output::updateAndWriteCompositionState()
  */
 
@@ -1017,7 +966,7 @@
 
     std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), renderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), renderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     layer1.outputLayerState.overrideInfo.buffer = buffer;
@@ -1537,9 +1486,6 @@
 
 TEST_F(OutputEnsureOutputLayerIfVisibleTest, performsGeomLatchBeforeCheckingIfLayerIncluded) {
     EXPECT_CALL(mOutput, includesLayer(sp<LayerFE>(mLayer.layerFE))).WillOnce(Return(false));
-    EXPECT_CALL(*mLayer.layerFE,
-                prepareCompositionState(compositionengine::LayerFE::StateSubset::BasicGeometry));
-
     mGeomSnapshots.clear();
 
     ensureOutputLayerIfVisible();
@@ -3227,7 +3173,6 @@
     // setup below are satisfied in the specific order.
     InSequence seq;
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3250,7 +3195,6 @@
     frameFences.layerFences.emplace(&mLayer2.hwc2Layer, layer2Fence);
     frameFences.layerFences.emplace(&mLayer3.hwc2Layer, layer3Fence);
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3284,7 +3228,6 @@
     frameFences.layerFences.emplace(&mLayer2.hwc2Layer, sp<Fence>::make());
     frameFences.layerFences.emplace(&mLayer3.hwc2Layer, sp<Fence>::make());
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3320,7 +3263,6 @@
     Output::FrameFences frameFences;
     frameFences.presentFence = presentFence;
 
-    EXPECT_CALL(*mRenderSurface, flip());
     EXPECT_CALL(mOutput, presentAndGetFrameFences()).WillOnce(Return(frameFences));
     EXPECT_CALL(*mRenderSurface, onPresentDisplayCompleted());
 
@@ -3449,7 +3391,7 @@
     StrictMock<OutputPartialMock> mOutput;
     std::shared_ptr<renderengine::ExternalTexture> mOutputBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
 
@@ -3531,9 +3473,8 @@
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
     verify().execute().expectAFenceWasReturned();
 }
@@ -3563,9 +3504,8 @@
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3598,9 +3538,8 @@
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3626,10 +3565,8 @@
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
             .Times(2)
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))))
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     verify().execute().expectAFenceWasReturned();
     EXPECT_FALSE(mOutput.mState.reusedClientComposition);
@@ -3657,8 +3594,7 @@
 
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     EXPECT_CALL(mOutput, setExpensiveRenderingExpected(false));
 
     verify().execute().expectAFenceWasReturned();
@@ -3687,7 +3623,7 @@
 
     const auto otherOutputBuffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_))
@@ -3697,9 +3633,8 @@
             .WillRepeatedly([&](const renderengine::DisplaySettings&,
                                 const std::vector<renderengine::LayerSettings>&,
                                 const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                                base::unique_fd&&)
-                                    -> std::future<renderengine::RenderEngineResult> {
-                return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
+                return ftl::yield<FenceResult>(Fence::NO_FENCE);
             });
 
     verify().execute().expectAFenceWasReturned();
@@ -3730,11 +3665,9 @@
 
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r2), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     EXPECT_CALL(mRenderEngine, drawLayers(_, ElementsAre(r1, r3), _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     verify().execute().expectAFenceWasReturned();
     EXPECT_FALSE(mOutput.mState.reusedClientComposition);
@@ -3811,8 +3744,7 @@
           : public CallOrderStateMachineHelper<TestType, ExpectDisplaySettingsState> {
         auto thenExpectDisplaySettingsUsed(renderengine::DisplaySettings settings) {
             EXPECT_CALL(getInstance()->mRenderEngine, drawLayers(settings, _, _, false, _))
-                    .WillOnce(Return(ByMove(futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()}))));
+                    .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
             return nextState<ExecuteState>();
         }
     };
@@ -4065,14 +3997,12 @@
                 .WillRepeatedly(Return());
         EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
         EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-                .WillRepeatedly(
-                        [&](const renderengine::DisplaySettings&,
-                            const std::vector<renderengine::LayerSettings>&,
-                            const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                            base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
-                            return futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
-                        });
+                .WillRepeatedly([&](const renderengine::DisplaySettings&,
+                                    const std::vector<renderengine::LayerSettings>&,
+                                    const std::shared_ptr<renderengine::ExternalTexture>&,
+                                    const bool, base::unique_fd&&) -> ftl::Future<FenceResult> {
+                    return ftl::yield<FenceResult>(Fence::NO_FENCE);
+                });
     }
 
     Layer mLayer1;
@@ -4137,8 +4067,7 @@
     // Must happen after setting the protected content state.
     EXPECT_CALL(*mRenderSurface, dequeueBuffer(_)).WillRepeatedly(Return(mOutputBuffer));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     base::unique_fd fd;
     std::shared_ptr<renderengine::ExternalTexture> tex;
@@ -4230,8 +4159,7 @@
 
     EXPECT_CALL(mOutput, setExpensiveRenderingExpected(true));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     base::unique_fd fd;
     std::shared_ptr<renderengine::ExternalTexture> tex;
@@ -4254,8 +4182,7 @@
         EXPECT_CALL(mOutput, generateClientCompositionRequests(_, kDefaultOutputDataspace, _))
                 .WillOnce(Return(std::vector<LayerFE::LayerSettings>{}));
         EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, false, _))
-                .WillOnce(Return(ByMove(futureOf<renderengine::RenderEngineResult>(
-                        {NO_ERROR, base::unique_fd()}))));
+                .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
         EXPECT_CALL(mOutput, getOutputLayerCount()).WillRepeatedly(Return(1u));
         EXPECT_CALL(mOutput, getOutputLayerOrderedByZByIndex(0u))
                 .WillRepeatedly(Return(&mLayer.outputLayer));
@@ -4312,6 +4239,8 @@
 
     struct Layer {
         Layer() {
+            EXPECT_CALL(mOutputLayer, getOverrideCompositionSettings())
+                    .WillRepeatedly(Return(std::nullopt));
             EXPECT_CALL(mOutputLayer, getState()).WillRepeatedly(ReturnRef(mOutputLayerState));
             EXPECT_CALL(mOutputLayer, editState()).WillRepeatedly(ReturnRef(mOutputLayerState));
             EXPECT_CALL(mOutputLayer, getLayerFE()).WillRepeatedly(ReturnRef(*mLayerFE));
@@ -4409,23 +4338,18 @@
 }
 
 TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, gathersClientCompositionRequests) {
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[1].mLayerSettings})));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[1].mLayerSettings)));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(3u, requests.size());
+    ASSERT_EQ(2u, requests.size());
     EXPECT_EQ(mLayers[1].mLayerSettings, requests[0]);
-    EXPECT_EQ(mShadowSettings, requests[1]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[2]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
 
     // Check that a timestamp was set for the layers that generated requests
     EXPECT_TRUE(0 == mLayers[0].mOutputLayerState.clientCompositionTimestamp);
@@ -4442,27 +4366,21 @@
 }
 
 TEST_F(GenerateClientCompositionRequestsTest_ThreeLayers, overridesBlur) {
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
     mLayers[2].mOutputLayerState.overrideInfo.disableBackgroundBlur = true;
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[1].mLayerSettings})));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[1].mLayerSettings)));
     EXPECT_CALL(*mLayers[2].mLayerFE,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly)))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
-
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(3u, requests.size());
+    ASSERT_EQ(2u, requests.size());
     EXPECT_EQ(mLayers[1].mLayerSettings, requests[0]);
-    EXPECT_EQ(mShadowSettings, requests[1]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[2]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
 
     // Check that a timestamp was set for the layers that generated requests
     EXPECT_TRUE(0 == mLayers[0].mOutputLayerState.clientCompositionTimestamp);
@@ -4484,8 +4402,8 @@
     mLayers[1].mLayerFEState.isOpaque = true;
     mLayers[2].mLayerFEState.isOpaque = true;
 
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4507,8 +4425,8 @@
     mLayers[1].mLayerFEState.isOpaque = false;
     mLayers[2].mLayerFEState.isOpaque = false;
 
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(_))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4566,10 +4484,10 @@
     mBlackoutSettings.alpha = 0.f;
     mBlackoutSettings.disableBlending = true;
 
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mBlackoutSettings})));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mBlackoutSettings)));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -4624,12 +4542,12 @@
             kLayerWhitePointNits,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4678,12 +4596,12 @@
             kLayerWhitePointNits,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4732,12 +4650,12 @@
             kLayerWhitePointNits,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4785,12 +4703,12 @@
             kLayerWhitePointNits,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(
             mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
@@ -4836,12 +4754,12 @@
             kLayerWhitePointNits,
     };
 
-    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer0TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer1TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2TargetSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[0].mLayerFE, prepareClientComposition(Eq(ByRef(layer0TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[1].mLayerFE, prepareClientComposition(Eq(ByRef(layer1TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2TargetSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>()));
 
     static_cast<void>(mOutput.generateClientCompositionRequestsHelper(true /* supportsProtectedContent */,
                                                                 kDisplayDataspace));
@@ -5022,8 +4940,8 @@
 
     EXPECT_CALL(leftLayer.mOutputLayer, requiresClientComposition()).WillRepeatedly(Return(true));
     EXPECT_CALL(leftLayer.mOutputLayer, needsFiltering()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*leftLayer.mLayerFE, prepareClientCompositionList(Eq(ByRef(leftLayerSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({leftLayer.mLayerSettings})));
+    EXPECT_CALL(*leftLayer.mLayerFE, prepareClientComposition(Eq(ByRef(leftLayerSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(leftLayer.mLayerSettings)));
 
     compositionengine::LayerFE::ClientCompositionTargetSettings rightLayerSettings{
             Region(Rect(1000, 0, 2000, 1000)),
@@ -5040,8 +4958,8 @@
 
     EXPECT_CALL(rightLayer.mOutputLayer, requiresClientComposition()).WillRepeatedly(Return(true));
     EXPECT_CALL(rightLayer.mOutputLayer, needsFiltering()).WillRepeatedly(Return(false));
-    EXPECT_CALL(*rightLayer.mLayerFE, prepareClientCompositionList(Eq(ByRef(rightLayerSettings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({rightLayer.mLayerSettings})));
+    EXPECT_CALL(*rightLayer.mLayerFE, prepareClientComposition(Eq(ByRef(rightLayerSettings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(rightLayer.mLayerSettings)));
 
     constexpr bool supportsProtectedContent = true;
     auto requests =
@@ -5079,8 +4997,8 @@
 
     EXPECT_CALL(mLayers[0].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mLayers[1].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2Settings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>({mShadowSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2Settings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mShadowSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
@@ -5097,9 +5015,6 @@
     const Region kPartialContentWithPartialShadowRegion =
             Region(kContentWithShadow).subtract(Rect(40, 40, 50, 80));
 
-    LayerFE::LayerSettings mShadowSettings;
-    mShadowSettings.source.solidColor = {0.1f, 0.1f, 0.1f};
-
     mLayers[2].mOutputLayerState.visibleRegion = kPartialContentWithPartialShadowRegion;
     mLayers[2].mOutputLayerState.shadowRegion = kShadowRegion;
 
@@ -5118,16 +5033,14 @@
 
     EXPECT_CALL(mLayers[0].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mLayers[1].mOutputLayer, requiresClientComposition()).WillOnce(Return(false));
-    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientCompositionList(Eq(ByRef(layer2Settings))))
-            .WillOnce(Return(std::vector<LayerFE::LayerSettings>(
-                    {mShadowSettings, mLayers[2].mLayerSettings})));
+    EXPECT_CALL(*mLayers[2].mLayerFE, prepareClientComposition(Eq(ByRef(layer2Settings))))
+            .WillOnce(Return(std::optional<LayerFE::LayerSettings>(mLayers[2].mLayerSettings)));
 
     auto requests = mOutput.generateClientCompositionRequestsHelper(false /* supportsProtectedContent */,
                                                               kDisplayDataspace);
-    ASSERT_EQ(2u, requests.size());
+    ASSERT_EQ(1u, requests.size());
 
-    EXPECT_EQ(mShadowSettings, requests[0]);
-    EXPECT_EQ(mLayers[2].mLayerSettings, requests[1]);
+    EXPECT_EQ(mLayers[2].mLayerSettings, requests[0]);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp b/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
index e5f9ebf..83937a6 100644
--- a/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/RenderSurfaceTest.cpp
@@ -61,8 +61,8 @@
     StrictMock<renderengine::mock::RenderEngine> mRenderEngine;
     StrictMock<mock::CompositionEngine> mCompositionEngine;
     StrictMock<mock::Display> mDisplay;
-    sp<mock::NativeWindow> mNativeWindow = new StrictMock<mock::NativeWindow>();
-    sp<mock::DisplaySurface> mDisplaySurface = new StrictMock<mock::DisplaySurface>();
+    sp<mock::NativeWindow> mNativeWindow = sp<StrictMock<mock::NativeWindow>>::make();
+    sp<mock::DisplaySurface> mDisplaySurface = sp<StrictMock<mock::DisplaySurface>>::make();
     impl::RenderSurface mSurface{mCompositionEngine, mDisplay,
                                  RenderSurfaceCreationArgsBuilder()
                                          .setDisplayWidth(DEFAULT_DISPLAY_WIDTH)
@@ -109,7 +109,7 @@
  */
 
 TEST_F(RenderSurfaceTest, getClientTargetAcquireFenceForwardsCall) {
-    sp<Fence> fence = new Fence();
+    sp<Fence> fence = sp<Fence>::make();
 
     EXPECT_CALL(*mDisplaySurface, getClientTargetAcquireFence()).WillOnce(ReturnRef(fence));
 
@@ -234,7 +234,7 @@
  */
 
 TEST_F(RenderSurfaceTest, dequeueBufferObtainsABuffer) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
 
     EXPECT_CALL(*mNativeWindow, dequeueBuffer(_, _))
             .WillOnce(
@@ -253,7 +253,7 @@
 TEST_F(RenderSurfaceTest, queueBufferHandlesNoClientComposition) {
     const auto buffer = std::make_shared<
             renderengine::impl::
-                    ExternalTexture>(new GraphicBuffer(), mRenderEngine,
+                    ExternalTexture>(sp<GraphicBuffer>::make(), mRenderEngine,
                                      renderengine::impl::ExternalTexture::Usage::READABLE |
                                              renderengine::impl::ExternalTexture::Usage::WRITEABLE);
     mSurface.mutableTextureForTest() = buffer;
@@ -271,8 +271,9 @@
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesClientComposition) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -290,8 +291,9 @@
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequest) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -309,7 +311,7 @@
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesFlipClientTargetRequestWithNoBufferYetDequeued) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
 
     impl::OutputCompositionState state;
     state.usesClientComposition = false;
@@ -329,8 +331,9 @@
 }
 
 TEST_F(RenderSurfaceTest, queueBufferHandlesNativeWindowQueueBufferFailureOnVirtualDisplay) {
-    const auto buffer = std::make_shared<renderengine::impl::ExternalTexture>(new GraphicBuffer(),
-                                                                              mRenderEngine, false);
+    const auto buffer =
+            std::make_shared<renderengine::impl::ExternalTexture>(sp<GraphicBuffer>::make(),
+                                                                  mRenderEngine, false);
     mSurface.mutableTextureForTest() = buffer;
 
     impl::OutputCompositionState state;
@@ -359,17 +362,5 @@
     mSurface.onPresentDisplayCompleted();
 }
 
-/*
- * RenderSurface::flip()
- */
-
-TEST_F(RenderSurfaceTest, flipForwardsSignal) {
-    mSurface.setPageFlipCountForTest(500);
-
-    mSurface.flip();
-
-    EXPECT_EQ(501u, mSurface.getPageFlipCount());
-}
-
 } // namespace
 } // namespace android::compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
index 0e9db36..d5d688e 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
@@ -28,8 +28,6 @@
 #include <utils/Errors.h>
 #include <memory>
 
-#include "tests/TestUtils.h"
-
 namespace android::compositionengine {
 using namespace std::chrono_literals;
 
@@ -345,19 +343,18 @@
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -365,15 +362,13 @@
         EXPECT_EQ(0.5f, layers[0].alpha);
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
-            .WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(false)))
-            .WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(false)))
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = false;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -397,19 +392,18 @@
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -418,15 +412,13 @@
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
-            .WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsSecureEq(true)))
-            .WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(ClientCompositionTargetSettingsSecureEq(true)))
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -450,31 +442,30 @@
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
 
     mOutputState.displayBrightnessNits = 400.f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>&,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>&,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.displayBrightnessNits, displaySettings.targetLuminanceNits);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
@@ -501,31 +492,30 @@
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
 
     mOutputState.displayBrightnessNits = 400.f;
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>&,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>&,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.displayBrightnessNits, displaySettings.targetLuminanceNits);
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsWhitePointEq(
+                prepareClientComposition(ClientCompositionTargetSettingsWhitePointEq(
                         mOutputState.displayBrightnessNits)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     mOutputState.isSecure = true;
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, false);
@@ -549,21 +539,20 @@
     CachedSet cachedSet(layer1);
     cachedSet.append(CachedSet(layer2));
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    clientCompList1[0].alpha = 0.5f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    clientComp1->alpha = 0.5f;
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    clientCompList2[0].alpha = 0.75f;
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    clientComp2->alpha = 0.75f;
 
     mOutputState.framebufferSpace = ProjectionSpace(ui::Size(10, 20), Rect(2, 3, 10, 5));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings& displaySettings,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings& displaySettings,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         EXPECT_EQ(mOutputState.framebufferSpace.getContent(), displaySettings.physicalDisplay);
         EXPECT_EQ(mOutputState.layerStackSpace.getContent(), displaySettings.clip);
         EXPECT_EQ(ui::Transform::toRotationFlags(mOutputState.framebufferSpace.getOrientation()),
@@ -572,11 +561,11 @@
         EXPECT_EQ(0.75f, layers[1].alpha);
         EXPECT_EQ(ui::Dataspace::SRGB, displaySettings.outputDataspace);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
     cachedSet.render(mRenderEngine, mTexturePool, mOutputState, true);
     expectReadyBuffer(cachedSet);
@@ -773,28 +762,27 @@
 
     cachedSet.addHolePunchLayerIfFeasible(layer3, true);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
 
-    clientCompList3[0].source.buffer.buffer =
+    clientComp3->source.buffer.buffer =
             std::make_shared<renderengine::mock::FakeExternalTexture>(1U /*width*/, 1U /*height*/,
                                                                       1ULL /* bufferId */,
                                                                       HAL_PIXEL_FORMAT_RGBA_8888,
                                                                       0ULL /*usage*/);
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
-    EXPECT_CALL(*layerFE3, prepareClientCompositionList(_)).WillOnce(Return(clientCompList3));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
+    EXPECT_CALL(*layerFE3, prepareClientComposition(_)).WillOnce(Return(clientComp3));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 4u);
@@ -814,7 +802,7 @@
             EXPECT_EQ(1.0f, holePunchBackgroundSettings.alpha);
         }
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
@@ -822,7 +810,7 @@
 }
 
 TEST_F(CachedSetTest, addHolePunch_noBuffer) {
-    // Same as addHolePunch, except that clientCompList3 does not contain a
+    // Same as addHolePunch, except that clientComp3 does not contain a
     // buffer. This imitates the case where the buffer had protected content, so
     // BufferLayer did not add it to the LayerSettings. This should not assert.
     mTestLayers[0]->outputLayerCompositionState.displayFrame = Rect(0, 0, 5, 5);
@@ -840,22 +828,21 @@
 
     cachedSet.addHolePunchLayerIfFeasible(layer3, true);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
 
-    EXPECT_CALL(*layerFE1, prepareClientCompositionList(_)).WillOnce(Return(clientCompList1));
-    EXPECT_CALL(*layerFE2, prepareClientCompositionList(_)).WillOnce(Return(clientCompList2));
-    EXPECT_CALL(*layerFE3, prepareClientCompositionList(_)).WillOnce(Return(clientCompList3));
+    EXPECT_CALL(*layerFE1, prepareClientComposition(_)).WillOnce(Return(clientComp1));
+    EXPECT_CALL(*layerFE2, prepareClientComposition(_)).WillOnce(Return(clientComp2));
+    EXPECT_CALL(*layerFE3, prepareClientComposition(_)).WillOnce(Return(clientComp3));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 4u);
@@ -876,7 +863,7 @@
             EXPECT_EQ(1.0f, holePunchBackgroundSettings.alpha);
         }
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
@@ -974,40 +961,39 @@
 
     cachedSet.addBackgroundBlurLayer(layer3);
 
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList1;
-    clientCompList1.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList2;
-    clientCompList2.push_back({});
-    std::vector<compositionengine::LayerFE::LayerSettings> clientCompList3;
-    clientCompList3.push_back({});
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp1;
+    clientComp1.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp2;
+    clientComp2.emplace();
+    std::optional<compositionengine::LayerFE::LayerSettings> clientComp3;
+    clientComp3.emplace();
 
-    clientCompList3[0].source.buffer.buffer =
+    clientComp3->source.buffer.buffer =
             std::make_shared<renderengine::mock::FakeExternalTexture>(1U /*width*/, 1U /*height*/,
                                                                       1ULL /* bufferId */,
                                                                       HAL_PIXEL_FORMAT_RGBA_8888,
                                                                       0ULL /*usage*/);
 
     EXPECT_CALL(*layerFE1,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 Enabled)))
-            .WillOnce(Return(clientCompList1));
+            .WillOnce(Return(clientComp1));
     EXPECT_CALL(*layerFE2,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 Enabled)))
-            .WillOnce(Return(clientCompList2));
+            .WillOnce(Return(clientComp2));
     EXPECT_CALL(*layerFE3,
-                prepareClientCompositionList(ClientCompositionTargetSettingsBlurSettingsEq(
+                prepareClientComposition(ClientCompositionTargetSettingsBlurSettingsEq(
                         compositionengine::LayerFE::ClientCompositionTargetSettings::BlurSetting::
                                 BackgroundBlurOnly)))
-            .WillOnce(Return(clientCompList3));
+            .WillOnce(Return(clientComp3));
 
-    const auto drawLayers =
-            [&](const renderengine::DisplaySettings&,
-                const std::vector<renderengine::LayerSettings>& layers,
-                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+    const auto drawLayers = [&](const renderengine::DisplaySettings&,
+                                const std::vector<renderengine::LayerSettings>& layers,
+                                const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
+                                base::unique_fd&&) -> ftl::Future<FenceResult> {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
         EXPECT_GE(layers.size(), 3u);
@@ -1016,7 +1002,7 @@
         EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), blurSettings.source.solidColor);
         EXPECT_EQ(0.0f, blurSettings.alpha);
 
-        return futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()});
+        return ftl::yield<FenceResult>(Fence::NO_FENCE);
     };
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _)).WillOnce(Invoke(drawLayers));
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
index 96021ec..86cfee6 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/FlattenerTest.cpp
@@ -27,8 +27,6 @@
 #include <renderengine/mock/RenderEngine.h>
 #include <chrono>
 
-#include "tests/TestUtils.h"
-
 namespace android::compositionengine {
 using namespace std::chrono_literals;
 using impl::planner::CachedSet;
@@ -108,11 +106,12 @@
         testLayer->outputLayerCompositionState.visibleRegion =
                 Region(Rect(pos + 1, pos + 1, pos + 2, pos + 2));
 
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
+                                      GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE);
         testLayer->layerFECompositionState.buffer =
-                new GraphicBuffer(100, 100, HAL_PIXEL_FORMAT_RGBA_8888, 1,
-                                  GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
-                                          GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE,
-                                  "output");
+                sp<GraphicBuffer>::make(100u, 100u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags,
+                                        "output");
 
         testLayer->layerFE = sp<mock::LayerFE>::make();
 
@@ -123,12 +122,11 @@
         EXPECT_CALL(*testLayer->layerFE, getCompositionState)
                 .WillRepeatedly(Return(&testLayer->layerFECompositionState));
 
-        std::vector<LayerFE::LayerSettings> clientCompositionList = {
-                LayerFE::LayerSettings{},
-        };
+        std::optional<LayerFE::LayerSettings> clientComposition;
+        clientComposition.emplace();
 
-        EXPECT_CALL(*testLayer->layerFE, prepareClientCompositionList)
-                .WillRepeatedly(Return(clientCompositionList));
+        EXPECT_CALL(*testLayer->layerFE, prepareClientComposition)
+                .WillRepeatedly(Return(clientComposition));
         EXPECT_CALL(testLayer->outputLayer, getLayerFE)
                 .WillRepeatedly(ReturnRef(*testLayer->layerFE));
         EXPECT_CALL(testLayer->outputLayer, getState)
@@ -171,8 +169,7 @@
 void FlattenerTest::expectAllLayersFlattened(const std::vector<const LayerState*>& layers) {
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -423,8 +420,7 @@
     layerState1->resetFramesSinceBufferUpdate();
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -447,8 +443,7 @@
     mTime += 200ms;
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -500,8 +495,7 @@
     layerState3->resetFramesSinceBufferUpdate();
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -515,8 +509,7 @@
 
     // Layers 1 and 2 will be flattened a new drawFrame would be called for Layer4 and Layer5
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -545,8 +538,7 @@
     layerState3->incrementFramesSinceBufferUpdate();
     mTime += 200ms;
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     initializeOverrideBuffer(layers);
     EXPECT_NE(getNonBufferHash(layers),
               mFlattener->flattenLayers(layers, getNonBufferHash(layers), mTime));
@@ -601,8 +593,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -637,16 +628,15 @@
 
     EXPECT_CALL(*mTestLayers[2]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[2]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[2]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[2]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState1.get(),
@@ -667,8 +657,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -711,16 +700,15 @@
 
     EXPECT_CALL(*mTestLayers[1]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[1]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState0.get(),
@@ -741,8 +729,7 @@
     // This will render a CachedSet of layer 0. Though it is just one layer, it satisfies the
     // exception that there would be a hole punch above it.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -783,16 +770,15 @@
 
     EXPECT_CALL(*mTestLayers[1]->layerFE, hasRoundedCorners()).WillRepeatedly(Return(true));
 
-    std::vector<LayerFE::LayerSettings> clientCompositionList = {
-            LayerFE::LayerSettings{},
-    };
-    clientCompositionList[0].source.buffer.buffer = std::make_shared<
+    std::optional<LayerFE::LayerSettings> clientComposition;
+    clientComposition.emplace();
+    clientComposition->source.buffer.buffer = std::make_shared<
             renderengine::impl::ExternalTexture>(mTestLayers[1]->layerFECompositionState.buffer,
                                                  mRenderEngine,
                                                  renderengine::impl::ExternalTexture::Usage::
                                                          READABLE);
-    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientCompositionList(_))
-            .WillOnce(Return(clientCompositionList));
+    EXPECT_CALL(*mTestLayers[1]->layerFE, prepareClientComposition(_))
+            .WillOnce(Return(clientComposition));
 
     const std::vector<const LayerState*> layers = {
             layerState0.get(),
@@ -813,8 +799,7 @@
     // This will render a CachedSet of layer 0. Though it is just one layer, it satisfies the
     // exception that there would be a hole punch above it.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -865,8 +850,7 @@
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -911,8 +895,7 @@
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillRepeatedly(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillRepeatedly(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -965,8 +948,7 @@
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1014,8 +996,7 @@
 
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1057,8 +1038,7 @@
     mTime += 200ms;
     // layers would be flattened but the buffer would not be overridden
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
 
     initializeOverrideBuffer(layers);
     EXPECT_EQ(getNonBufferHash(layers),
@@ -1125,8 +1105,7 @@
     }
 
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState,
                                  std::chrono::steady_clock::now() -
                                          (kCachedSetRenderDuration + 10ms),
@@ -1162,8 +1141,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1213,8 +1191,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1264,8 +1241,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1318,8 +1294,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
@@ -1371,8 +1346,7 @@
 
     // This will render a CachedSet.
     EXPECT_CALL(mRenderEngine, drawLayers(_, _, _, _, _))
-            .WillOnce(Return(ByMove(
-                    futureOf<renderengine::RenderEngineResult>({NO_ERROR, base::unique_fd()}))));
+            .WillOnce(Return(ByMove(ftl::yield<FenceResult>(Fence::NO_FENCE))));
     mFlattener->renderCachedSets(mOutputState, std::nullopt, true);
 
     // We've rendered a CachedSet, but we haven't merged it in.
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
index 5c6e8da..47b6820 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/LayerStateTest.cpp
@@ -112,6 +112,9 @@
     sp<mock::LayerFE> mLayerFE = sp<mock::LayerFE>::make();
     mock::OutputLayer mOutputLayer;
     std::unique_ptr<LayerState> mLayerState;
+
+    static constexpr auto kUsageFlags = static_cast<uint32_t>(
+            AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN);
 };
 
 TEST_F(LayerStateTest, getOutputLayer) {
@@ -346,7 +349,7 @@
 TEST_F(LayerStateTest, updateBuffer) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -354,7 +357,7 @@
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     ftl::Flags<LayerStateField> updates = mLayerState->update(&newOutputLayer);
@@ -364,7 +367,7 @@
 TEST_F(LayerStateTest, updateBufferSingleBufferedLegacy) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -372,7 +375,7 @@
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
 
@@ -388,7 +391,7 @@
 TEST_F(LayerStateTest, updateBufferSingleBufferedUsage) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -396,7 +399,7 @@
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateTwo.buffer->usage = static_cast<uint64_t>(BufferUsage::FRONT_BUFFER);
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
@@ -412,14 +415,14 @@
 TEST_F(LayerStateTest, compareBuffer) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
@@ -720,10 +723,7 @@
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
     layerFECompositionState.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer1");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, kUsageFlags, "buffer1");
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -732,10 +732,7 @@
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
     layerFECompositionStateTwo.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBX_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer2");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBX_8888, kUsageFlags, "buffer2");
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     ftl::Flags<LayerStateField> updates = mLayerState->update(&newOutputLayer);
@@ -748,10 +745,7 @@
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
     layerFECompositionState.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBA_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer1");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, kUsageFlags, "buffer1");
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -759,10 +753,7 @@
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
     layerFECompositionStateTwo.buffer =
-            new GraphicBuffer(1, 1, PIXEL_FORMAT_RGBX_8888,
-                              AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                                      AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
-                              "buffer2");
+            sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBX_8888, kUsageFlags, "buffer2");
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
@@ -1069,7 +1060,7 @@
 TEST_F(LayerStateTest, getNonBufferHash_filtersOutBuffers) {
     OutputLayerCompositionState outputLayerCompositionState;
     LayerFECompositionState layerFECompositionState;
-    layerFECompositionState.buffer = new GraphicBuffer();
+    layerFECompositionState.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(mOutputLayer, *mLayerFE, outputLayerCompositionState,
                        layerFECompositionState);
     mLayerState = std::make_unique<LayerState>(&mOutputLayer);
@@ -1077,7 +1068,7 @@
     mock::OutputLayer newOutputLayer;
     sp<mock::LayerFE> newLayerFE = sp<mock::LayerFE>::make();
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(newOutputLayer, *newLayerFE, outputLayerCompositionState,
                        layerFECompositionStateTwo);
     auto otherLayerState = std::make_unique<LayerState>(&newOutputLayer);
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
index 68c72e0..35d0ffb 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/PredictorTest.cpp
@@ -228,7 +228,7 @@
 }
 
 TEST_F(LayerStackTest, getApproximateMatch_exactMatchesSameBuffer) {
-    sp<GraphicBuffer> buffer = new GraphicBuffer();
+    sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make();
     mock::OutputLayer outputLayerOne;
     sp<mock::LayerFE> layerFEOne = sp<mock::LayerFE>::make();
     OutputLayerCompositionState outputLayerCompositionStateOne;
@@ -268,7 +268,7 @@
             .dataspace = ui::Dataspace::SRGB,
     };
     LayerFECompositionState layerFECompositionStateOne;
-    layerFECompositionStateOne.buffer = new GraphicBuffer();
+    layerFECompositionStateOne.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateOne.alpha = sAlphaOne;
     layerFECompositionStateOne.colorTransformIsIdentity = true;
     setupMocksForLayer(outputLayerOne, *layerFEOne, outputLayerCompositionStateOne,
@@ -285,7 +285,7 @@
             .dataspace = ui::Dataspace::DISPLAY_P3,
     };
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     layerFECompositionStateTwo.alpha = sAlphaTwo;
     layerFECompositionStateTwo.colorTransformIsIdentity = false;
     layerFECompositionStateTwo.colorTransform = sMat4One;
@@ -310,7 +310,7 @@
             .sourceCrop = sFloatRectOne,
     };
     LayerFECompositionState layerFECompositionStateOne;
-    layerFECompositionStateOne.buffer = new GraphicBuffer();
+    layerFECompositionStateOne.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(outputLayerOne, *layerFEOne, outputLayerCompositionStateOne,
                        layerFECompositionStateOne);
     LayerState layerStateOne(&outputLayerOne);
@@ -321,7 +321,7 @@
             .sourceCrop = sFloatRectTwo,
     };
     LayerFECompositionState layerFECompositionStateTwo;
-    layerFECompositionStateTwo.buffer = new GraphicBuffer();
+    layerFECompositionStateTwo.buffer = sp<GraphicBuffer>::make();
     setupMocksForLayer(outputLayerTwo, *layerFETwo, outputLayerCompositionStateTwo,
                        layerFECompositionStateTwo);
     LayerState layerStateTwo(&outputLayerTwo);
diff --git a/services/surfaceflinger/ContainerLayer.cpp b/services/surfaceflinger/ContainerLayer.cpp
deleted file mode 100644
index 3ccc229..0000000
--- a/services/surfaceflinger/ContainerLayer.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-// #define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "ContainerLayer"
-
-#include "ContainerLayer.h"
-
-namespace android {
-
-ContainerLayer::ContainerLayer(const LayerCreationArgs& args) : Layer(args) {}
-
-ContainerLayer::~ContainerLayer() = default;
-
-bool ContainerLayer::isVisible() const {
-    return false;
-}
-
-sp<Layer> ContainerLayer::createClone() {
-    sp<ContainerLayer> layer = mFlinger->getFactory().createContainerLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata()));
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/ContainerLayer.h b/services/surfaceflinger/ContainerLayer.h
deleted file mode 100644
index 9b7bab1..0000000
--- a/services/surfaceflinger/ContainerLayer.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <sys/types.h>
-
-#include <cstdint>
-
-#include "Layer.h"
-
-namespace android {
-
-class ContainerLayer : public Layer {
-public:
-    explicit ContainerLayer(const LayerCreationArgs&);
-    ~ContainerLayer() override;
-
-    const char* getType() const override { return "ContainerLayer"; }
-    bool isVisible() const override;
-
-    bool isCreatedFromMainThread() const override { return true; }
-
-protected:
-    bool canDrawShadows() const override { return false; }
-    sp<Layer> createClone() override;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/Display/DisplayMap.h b/services/surfaceflinger/Display/DisplayMap.h
new file mode 100644
index 0000000..baf0da9
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplayMap.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <ftl/small_map.h>
+
+namespace android::display {
+
+// The static capacities were chosen to exceed a typical number of physical and/or virtual displays.
+
+template <typename Key, typename Value>
+using DisplayMap = ftl::SmallMap<Key, Value, 5>;
+
+template <typename Key, typename Value>
+using PhysicalDisplayMap = ftl::SmallMap<Key, Value, 3>;
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/DisplaySnapshot.cpp b/services/surfaceflinger/Display/DisplaySnapshot.cpp
new file mode 100644
index 0000000..0c7a58e
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplaySnapshot.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <algorithm>
+#include <functional>
+#include <utility>
+
+#include <ftl/algorithm.h>
+#include <ftl/enum.h>
+#include <ui/DebugUtils.h>
+
+#include "DisplaySnapshot.h"
+
+namespace android::display {
+
+DisplaySnapshot::DisplaySnapshot(PhysicalDisplayId displayId,
+                                 ui::DisplayConnectionType connectionType,
+                                 DisplayModes&& displayModes, ui::ColorModes&& colorModes,
+                                 std::optional<DeviceProductInfo>&& deviceProductInfo)
+      : mDisplayId(displayId),
+        mConnectionType(connectionType),
+        mDisplayModes(std::move(displayModes)),
+        mColorModes(std::move(colorModes)),
+        mDeviceProductInfo(std::move(deviceProductInfo)) {}
+
+std::optional<DisplayModeId> DisplaySnapshot::translateModeId(hal::HWConfigId hwcId) const {
+    return ftl::find_if(mDisplayModes,
+                        [hwcId](const DisplayModes::value_type& pair) {
+                            return pair.second->getHwcId() == hwcId;
+                        })
+            .transform(&ftl::to_key<DisplayModes>);
+}
+
+ui::ColorModes DisplaySnapshot::filterColorModes(bool supportsWideColor) const {
+    ui::ColorModes modes = mColorModes;
+
+    // If the display is internal and the configuration claims it's not wide color capable, filter
+    // out all wide color modes. The typical reason why this happens is that the hardware is not
+    // good enough to support GPU composition of wide color, and thus the OEMs choose to disable
+    // this capability.
+    if (mConnectionType == ui::DisplayConnectionType::Internal && !supportsWideColor) {
+        const auto it = std::remove_if(modes.begin(), modes.end(), ui::isWideColorMode);
+        modes.erase(it, modes.end());
+    }
+
+    return modes;
+}
+
+void DisplaySnapshot::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
+
+    dumper.dump("connectionType"sv, ftl::enum_string(mConnectionType));
+
+    dumper.dump("colorModes"sv);
+    {
+        utils::Dumper::Indent indent(dumper);
+        for (const auto mode : mColorModes) {
+            dumper.dump({}, decodeColorMode(mode));
+        }
+    }
+
+    dumper.dump("deviceProductInfo"sv, mDeviceProductInfo);
+}
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/DisplaySnapshot.h b/services/surfaceflinger/Display/DisplaySnapshot.h
new file mode 100644
index 0000000..23471f5
--- /dev/null
+++ b/services/surfaceflinger/Display/DisplaySnapshot.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <optional>
+
+#include <ui/ColorMode.h>
+#include <ui/DisplayId.h>
+#include <ui/StaticDisplayInfo.h>
+
+#include "DisplayHardware/DisplayMode.h"
+#include "Utils/Dumper.h"
+
+namespace android::display {
+
+// Immutable state of a physical display, captured on hotplug.
+class DisplaySnapshot {
+public:
+    DisplaySnapshot(PhysicalDisplayId, ui::DisplayConnectionType, DisplayModes&&, ui::ColorModes&&,
+                    std::optional<DeviceProductInfo>&&);
+
+    DisplaySnapshot(const DisplaySnapshot&) = delete;
+    DisplaySnapshot(DisplaySnapshot&&) = default;
+
+    PhysicalDisplayId displayId() const { return mDisplayId; }
+    ui::DisplayConnectionType connectionType() const { return mConnectionType; }
+
+    std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const;
+
+    const auto& displayModes() const { return mDisplayModes; }
+    const auto& colorModes() const { return mColorModes; }
+    const auto& deviceProductInfo() const { return mDeviceProductInfo; }
+
+    ui::ColorModes filterColorModes(bool supportsWideColor) const;
+
+    void dump(utils::Dumper&) const;
+
+private:
+    const PhysicalDisplayId mDisplayId;
+    const ui::DisplayConnectionType mConnectionType;
+
+    // Effectively const except in move constructor.
+    DisplayModes mDisplayModes;
+    ui::ColorModes mColorModes;
+    std::optional<DeviceProductInfo> mDeviceProductInfo;
+};
+
+} // namespace android::display
diff --git a/services/surfaceflinger/Display/PhysicalDisplay.h b/services/surfaceflinger/Display/PhysicalDisplay.h
new file mode 100644
index 0000000..cba1014
--- /dev/null
+++ b/services/surfaceflinger/Display/PhysicalDisplay.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <utility>
+
+#include <binder/IBinder.h>
+#include <ui/DisplayId.h>
+#include <utils/StrongPointer.h>
+
+#include "DisplayMap.h"
+#include "DisplaySnapshot.h"
+
+namespace android::display {
+
+// TODO(b/229877597): Replace with AIDL type.
+using DisplayToken = IBinder;
+
+class PhysicalDisplay {
+public:
+    template <typename... Args>
+    PhysicalDisplay(sp<DisplayToken> token, Args&&... args)
+          : mToken(std::move(token)), mSnapshot(std::forward<Args>(args)...) {}
+
+    PhysicalDisplay(const PhysicalDisplay&) = delete;
+    PhysicalDisplay(PhysicalDisplay&&) = default;
+
+    const sp<DisplayToken>& token() const { return mToken; }
+    const DisplaySnapshot& snapshot() const { return mSnapshot; }
+
+    // Transformers for PhysicalDisplays::get.
+
+    using SnapshotRef = std::reference_wrapper<const DisplaySnapshot>;
+    SnapshotRef snapshotRef() const { return std::cref(mSnapshot); }
+
+    bool isInternal() const {
+        return mSnapshot.connectionType() == ui::DisplayConnectionType::Internal;
+    }
+
+    // Predicate for ftl::find_if on PhysicalDisplays.
+    static constexpr auto hasToken(const sp<DisplayToken>& token) {
+        return [&token](const std::pair<const PhysicalDisplayId, PhysicalDisplay>& pair) {
+            return pair.second.token() == token;
+        };
+    }
+
+private:
+    const sp<DisplayToken> mToken;
+
+    // Effectively const except in move constructor.
+    DisplaySnapshot mSnapshot;
+};
+
+using PhysicalDisplays = PhysicalDisplayMap<PhysicalDisplayId, PhysicalDisplay>;
+
+// Combinator for ftl::Optional<PhysicalDisplayId>::and_then.
+constexpr auto getPhysicalDisplay(const PhysicalDisplays& displays) {
+    return [&](PhysicalDisplayId id) { return displays.get(id); };
+}
+
+} // namespace android::display
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 26fbd55..c63d57f 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -39,6 +39,7 @@
 #include <system/window.h>
 #include <ui/GraphicTypes.h>
 
+#include "Display/DisplaySnapshot.h"
 #include "DisplayDevice.h"
 #include "Layer.h"
 #include "RefreshRateOverlay.h"
@@ -63,12 +64,10 @@
         mHwComposer(args.hwComposer),
         mDisplayToken(args.displayToken),
         mSequenceId(args.sequenceId),
-        mConnectionType(args.connectionType),
         mCompositionDisplay{args.compositionDisplay},
         mActiveModeFPSTrace("ActiveModeFPS -" + to_string(getId())),
         mActiveModeFPSHwcTrace("ActiveModeFPS_HWC -" + to_string(getId())),
         mPhysicalOrientation(args.physicalOrientation),
-        mSupportedModes(std::move(args.supportedModes)),
         mIsPrimary(args.isPrimary),
         mRefreshRateConfigs(std::move(args.refreshRateConfigs)) {
     mCompositionDisplay->editState().isSecure = args.isSecure;
@@ -132,14 +131,6 @@
     }
 }
 
-void DisplayDevice::setDeviceProductInfo(std::optional<DeviceProductInfo> info) {
-    mDeviceProductInfo = std::move(info);
-}
-
-uint32_t DisplayDevice::getPageFlipCount() const {
-    return mCompositionDisplay->getRenderSurface()->getPageFlipCount();
-}
-
 auto DisplayDevice::getInputInfo() const -> InputInfo {
     gui::DisplayInfo info;
     info.displayId = getLayerStack().id;
@@ -200,16 +191,19 @@
     return mPowerMode && *mPowerMode != hal::PowerMode::OFF;
 }
 
-void DisplayDevice::setActiveMode(DisplayModeId id) {
-    const auto mode = getMode(id);
-    LOG_FATAL_IF(!mode, "Cannot set active mode which is not supported.");
-    ATRACE_INT(mActiveModeFPSTrace.c_str(), mode->getFps().getIntValue());
-    mActiveMode = mode;
-    if (mRefreshRateConfigs) {
-        mRefreshRateConfigs->setActiveModeId(mActiveMode->getId());
-    }
+void DisplayDevice::setActiveMode(DisplayModeId modeId, const display::DisplaySnapshot& snapshot) {
+    const auto fpsOpt = snapshot.displayModes().get(modeId).transform(
+            [](const DisplayModePtr& mode) { return mode->getFps(); });
+
+    LOG_ALWAYS_FATAL_IF(!fpsOpt, "Unknown mode");
+    const Fps fps = *fpsOpt;
+
+    ATRACE_INT(mActiveModeFPSTrace.c_str(), fps.getIntValue());
+
+    mRefreshRateConfigs->setActiveModeId(modeId);
+
     if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->changeRefreshRate(mActiveMode->getFps());
+        mRefreshRateOverlay->changeRefreshRate(fps);
     }
 }
 
@@ -222,36 +216,12 @@
               to_string(getId()).c_str());
         return BAD_VALUE;
     }
-    mNumModeSwitchesInPolicy++;
     mUpcomingActiveMode = info;
     ATRACE_INT(mActiveModeFPSHwcTrace.c_str(), info.mode->getFps().getIntValue());
     return mHwComposer.setActiveModeWithConstraints(getPhysicalId(), info.mode->getHwcId(),
                                                     constraints, outTimeline);
 }
 
-const DisplayModePtr& DisplayDevice::getActiveMode() const {
-    return mActiveMode;
-}
-
-const DisplayModes& DisplayDevice::getSupportedModes() const {
-    return mSupportedModes;
-}
-
-DisplayModePtr DisplayDevice::getMode(DisplayModeId modeId) const {
-    const DisplayModePtr nullMode;
-    return mSupportedModes.get(modeId).value_or(std::cref(nullMode));
-}
-
-std::optional<DisplayModeId> DisplayDevice::translateModeId(hal::HWConfigId hwcId) const {
-    const auto it =
-            std::find_if(mSupportedModes.begin(), mSupportedModes.end(),
-                         [hwcId](const auto& pair) { return pair.second->getHwcId() == hwcId; });
-    if (it != mSupportedModes.end()) {
-        return it->second->getId();
-    }
-    return {};
-}
-
 nsecs_t DisplayDevice::getVsyncPeriodFromHWC() const {
     const auto physicalId = getPhysicalId();
     if (!mHwComposer.isConnected(physicalId)) {
@@ -264,27 +234,17 @@
         return vsyncPeriod;
     }
 
-    return getActiveMode()->getFps().getPeriodNsecs();
-}
-
-nsecs_t DisplayDevice::getRefreshTimestamp() const {
-    const nsecs_t now = systemTime(CLOCK_MONOTONIC);
-    const auto vsyncPeriodNanos = getVsyncPeriodFromHWC();
-    return now - ((now - mLastHwVsync) % vsyncPeriodNanos);
-}
-
-void DisplayDevice::onVsync(nsecs_t timestamp) {
-    mLastHwVsync = timestamp;
+    return refreshRateConfigs().getActiveModePtr()->getVsyncPeriod();
 }
 
 ui::Dataspace DisplayDevice::getCompositionDataSpace() const {
     return mCompositionDisplay->getState().dataspace;
 }
 
-void DisplayDevice::setLayerStack(ui::LayerStack stack) {
-    mCompositionDisplay->setLayerFilter({stack, isInternal()});
+void DisplayDevice::setLayerFilter(ui::LayerFilter filter) {
+    mCompositionDisplay->setLayerFilter(filter);
     if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->setLayerStack(stack);
+        mRefreshRateOverlay->setLayerStack(filter.layerStack);
     }
 }
 
@@ -358,11 +318,7 @@
 
     std::string name = "Display "s + to_string(getId()) + " ("s;
 
-    if (mConnectionType) {
-        name += isInternal() ? "internal"s : "external"s;
-    } else {
-        name += "virtual"s;
-    }
+    name += isVirtual() ? "virtual"s : "physical"s;
 
     if (isPrimary()) {
         name += ", primary"s;
@@ -371,26 +327,16 @@
     return name + ", \""s + mDisplayName + "\")"s;
 }
 
-void DisplayDevice::dump(std::string& result) const {
-    using namespace std::string_literals;
+void DisplayDevice::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
 
-    result += getDebugName();
+    dumper.dump({}, getDebugName());
 
-    if (!isVirtual()) {
-        result += "\n   deviceProductInfo="s;
-        if (mDeviceProductInfo) {
-            mDeviceProductInfo->dump(result);
-        } else {
-            result += "{}"s;
-        }
-    }
-
-    result += "\n   powerMode="s;
-    result += mPowerMode.has_value() ? to_string(mPowerMode.value()) : "OFF(reset)";
-    result += '\n';
+    utils::Dumper::Indent indent(dumper);
+    dumper.dump("powerMode"sv, mPowerMode);
 
     if (mRefreshRateConfigs) {
-        mRefreshRateConfigs->dump(result);
+        mRefreshRateConfigs->dump(dumper);
     }
 }
 
@@ -488,7 +434,7 @@
     mRefreshRateOverlay = std::make_unique<RefreshRateOverlay>(fpsRange, showSpinnner);
     mRefreshRateOverlay->setLayerStack(getLayerStack());
     mRefreshRateOverlay->setViewport(getSize());
-    mRefreshRateOverlay->changeRefreshRate(getActiveMode()->getFps());
+    mRefreshRateOverlay->changeRefreshRate(getActiveMode().getFps());
 }
 
 bool DisplayDevice::onKernelTimerChanged(std::optional<DisplayModeId> desiredModeId,
@@ -529,7 +475,7 @@
     }
 
     // Check if we are already at the desired mode
-    if (getActiveMode()->getId() == info.mode->getId()) {
+    if (refreshRateConfigs().getActiveModePtr()->getId() == info.mode->getId()) {
         return false;
     }
 
@@ -551,27 +497,6 @@
     mDesiredActiveModeChanged = false;
 }
 
-status_t DisplayDevice::setRefreshRatePolicy(
-        const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy) {
-    const auto oldPolicy = mRefreshRateConfigs->getCurrentPolicy();
-    const status_t setPolicyResult = overridePolicy
-            ? mRefreshRateConfigs->setOverridePolicy(policy)
-            : mRefreshRateConfigs->setDisplayManagerPolicy(*policy);
-
-    if (setPolicyResult == OK) {
-        const int numModeChanges = mNumModeSwitchesInPolicy.exchange(0);
-
-        ALOGI("Display %s policy changed\n"
-              "Previous: {%s}\n"
-              "Current:  {%s}\n"
-              "%d mode changes were performed under the previous policy",
-              to_string(getId()).c_str(), oldPolicy.toString().c_str(),
-              policy ? policy->toString().c_str() : "null", numModeChanges);
-    }
-
-    return setPolicyResult;
-}
-
 std::atomic<int32_t> DisplayDeviceState::sNextSequenceId(1);
 
 }  // namespace android
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index fc24a9c..06a812b 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -47,6 +47,7 @@
 #include "Scheduler/RefreshRateConfigs.h"
 #include "ThreadContext.h"
 #include "TracedOrdinal.h"
+#include "Utils/Dumper.h"
 
 namespace android {
 
@@ -65,6 +66,10 @@
 class DisplaySurface;
 } // namespace compositionengine
 
+namespace display {
+class DisplaySnapshot;
+} // namespace display
+
 class DisplayDevice : public RefBase {
 public:
     constexpr static float sDefaultMinLumiance = 0.0;
@@ -80,11 +85,8 @@
         return mCompositionDisplay;
     }
 
-    std::optional<ui::DisplayConnectionType> getConnectionType() const { return mConnectionType; }
-
-    bool isVirtual() const { return !mConnectionType; }
+    bool isVirtual() const { return VirtualDisplayId::tryCast(getId()).has_value(); }
     bool isPrimary() const { return mIsPrimary; }
-    bool isInternal() const { return mConnectionType == ui::DisplayConnectionType::Internal; }
 
     // isSecure indicates whether this display can be trusted to display
     // secure surfaces.
@@ -94,7 +96,7 @@
     int getHeight() const;
     ui::Size getSize() const { return {getWidth(), getHeight()}; }
 
-    void setLayerStack(ui::LayerStack);
+    void setLayerFilter(ui::LayerFilter);
     void setDisplaySize(int width, int height);
     void setProjection(ui::Rotation orientation, Rect viewport, Rect frame);
     void stageBrightness(float brightness) REQUIRES(kMainThreadContext);
@@ -164,11 +166,6 @@
     void setDisplayName(const std::string& displayName);
     const std::string& getDisplayName() const { return mDisplayName; }
 
-    void setDeviceProductInfo(std::optional<DeviceProductInfo> info);
-    const std::optional<DeviceProductInfo>& getDeviceProductInfo() const {
-        return mDeviceProductInfo;
-    }
-
     struct InputInfo {
         gui::DisplayInfo info;
         ui::Transform transform;
@@ -193,8 +190,6 @@
     /* ------------------------------------------------------------------------
      * Display mode management.
      */
-    const DisplayModePtr& getActiveMode() const;
-
     struct ActiveModeInfo {
         DisplayModePtr mode;
         scheduler::DisplayModeEvent event = scheduler::DisplayModeEvent::None;
@@ -211,24 +206,18 @@
         return mUpcomingActiveMode;
     }
 
-    void setActiveMode(DisplayModeId) REQUIRES(kMainThreadContext);
+    const DisplayMode& getActiveMode() const REQUIRES(kMainThreadContext) {
+        return mRefreshRateConfigs->getActiveMode();
+    }
+
+    // Precondition: DisplaySnapshot must contain a mode with DisplayModeId.
+    void setActiveMode(DisplayModeId, const display::DisplaySnapshot&) REQUIRES(kMainThreadContext);
+
     status_t initiateModeChange(const ActiveModeInfo&,
                                 const hal::VsyncPeriodChangeConstraints& constraints,
                                 hal::VsyncPeriodChangeTimeline* outTimeline)
             REQUIRES(kMainThreadContext);
 
-    // Return the immutable list of supported display modes. The HWC may report different modes
-    // after a hotplug reconnect event, in which case the DisplayDevice object will be recreated.
-    // Hotplug reconnects are common for external displays.
-    const DisplayModes& getSupportedModes() const;
-
-    // Returns nullptr if the given mode ID is not supported. A previously
-    // supported mode may be no longer supported for some devices like TVs and
-    // set-top boxes after a hotplug reconnect.
-    DisplayModePtr getMode(DisplayModeId) const;
-
-    std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const;
-
     // Returns the refresh rate configs for this display.
     scheduler::RefreshRateConfigs& refreshRateConfigs() const { return *mRefreshRateConfigs; }
 
@@ -240,18 +229,12 @@
     }
 
     // Enables an overlay to be displayed with the current refresh rate
-    void enableRefreshRateOverlay(bool enable, bool showSpinner);
+    void enableRefreshRateOverlay(bool enable, bool showSpinner) REQUIRES(kMainThreadContext);
     bool isRefreshRateOverlayEnabled() const { return mRefreshRateOverlay != nullptr; }
     bool onKernelTimerChanged(std::optional<DisplayModeId>, bool timerExpired);
     void animateRefreshRateOverlay();
 
-    void onVsync(nsecs_t timestamp);
     nsecs_t getVsyncPeriodFromHWC() const;
-    nsecs_t getRefreshTimestamp() const;
-
-    status_t setRefreshRatePolicy(
-            const std::optional<scheduler::RefreshRateConfigs::Policy>& policy,
-            bool overridePolicy);
 
     // release HWC resources (if any) for removable displays
     void disconnect();
@@ -259,16 +242,14 @@
     /* ------------------------------------------------------------------------
      * Debugging
      */
-    uint32_t getPageFlipCount() const;
     std::string getDebugName() const;
-    void dump(std::string& result) const;
+    void dump(utils::Dumper&) const;
 
 private:
     const sp<SurfaceFlinger> mFlinger;
     HWComposer& mHwComposer;
     const wp<IBinder> mDisplayToken;
     const int32_t mSequenceId;
-    const std::optional<ui::DisplayConnectionType> mConnectionType;
 
     const std::shared_ptr<compositionengine::Display> mCompositionDisplay;
 
@@ -281,22 +262,17 @@
 
     static ui::Transform::RotationFlags sPrimaryDisplayRotationFlags;
 
-     // allow initial power mode as null.
+    // Allow nullopt as initial power mode.
     std::optional<hardware::graphics::composer::hal::PowerMode> mPowerMode;
-    DisplayModePtr mActiveMode;
-    std::optional<float> mStagedBrightness = std::nullopt;
-    float mBrightness = -1.f;
-    const DisplayModes mSupportedModes;
 
-    std::atomic<nsecs_t> mLastHwVsync = 0;
+    std::optional<float> mStagedBrightness;
+    float mBrightness = -1.f;
 
     // TODO(b/182939859): Remove special cases for primary display.
     const bool mIsPrimary;
 
     uint32_t mFlags = 0;
 
-    std::optional<DeviceProductInfo> mDeviceProductInfo;
-
     std::vector<ui::Hdr> mOverrideHdrTypes;
 
     std::shared_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs;
@@ -307,21 +283,16 @@
     TracedOrdinal<bool> mDesiredActiveModeChanged
             GUARDED_BY(mActiveModeLock) = {"DesiredActiveModeChanged", false};
     ActiveModeInfo mUpcomingActiveMode GUARDED_BY(kMainThreadContext);
-
-    std::atomic_int mNumModeSwitchesInPolicy = 0;
 };
 
 struct DisplayDeviceState {
     struct Physical {
         PhysicalDisplayId id;
-        ui::DisplayConnectionType type;
         hardware::graphics::composer::hal::HWDisplayId hwcDisplayId;
-        std::optional<DeviceProductInfo> deviceProductInfo;
-        DisplayModes supportedModes;
         DisplayModePtr activeMode;
 
         bool operator==(const Physical& other) const {
-            return id == other.id && type == other.type && hwcDisplayId == other.hwcDisplayId;
+            return id == other.id && hwcDisplayId == other.hwcDisplayId;
         }
     };
 
@@ -357,7 +328,6 @@
     std::shared_ptr<scheduler::RefreshRateConfigs> refreshRateConfigs;
 
     int32_t sequenceId{0};
-    std::optional<ui::DisplayConnectionType> connectionType;
     bool isSecure{false};
     sp<ANativeWindow> nativeWindow;
     sp<compositionengine::DisplaySurface> displaySurface;
@@ -368,7 +338,6 @@
     std::unordered_map<ui::ColorMode, std::vector<ui::RenderIntent>> hwcColorModes;
     std::optional<hardware::graphics::composer::hal::PowerMode> initialPowerMode;
     bool isPrimary{false};
-    DisplayModes supportedModes;
     DisplayModeId activeModeId;
 };
 
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index c52e96d..16d3984 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -369,7 +369,7 @@
     for (uint32_t element = 0; element < numElements; ++element) {
         auto layer = getLayerById(layerIds[element]);
         if (layer) {
-            sp<Fence> fence(new Fence(fenceFds[element]));
+            sp<Fence> fence(sp<Fence>::make(fenceFds[element]));
             releaseFences.emplace(layer.get(), fence);
         } else {
             ALOGE("getReleaseFences: invalid layer %" PRIu64
@@ -394,7 +394,7 @@
         return error;
     }
 
-    *outPresentFence = new Fence(presentFenceFd);
+    *outPresentFence = sp<Fence>::make(presentFenceFd);
     return Error::NONE;
 }
 
@@ -532,7 +532,7 @@
     }
 
     if (*state == 1) {
-        *outPresentFence = new Fence(presentFenceFd);
+        *outPresentFence = sp<Fence>::make(presentFenceFd);
     }
 
     if (*state == 0) {
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 24aef9b..96399e2 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -70,7 +70,7 @@
 struct ComposerCallback {
     virtual void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) = 0;
     virtual void onComposerHalRefresh(hal::HWDisplayId) = 0;
-    virtual void onComposerHalVsync(hal::HWDisplayId, int64_t timestamp,
+    virtual void onComposerHalVsync(hal::HWDisplayId, nsecs_t timestamp,
                                     std::optional<hal::VsyncPeriodNanos>) = 0;
     virtual void onComposerHalVsyncPeriodTimingChanged(hal::HWDisplayId,
                                                        const hal::VsyncPeriodChangeTimeline&) = 0;
@@ -88,7 +88,7 @@
 
     virtual hal::HWDisplayId getId() const = 0;
     virtual bool isConnected() const = 0;
-    virtual void setConnected(bool connected) = 0; // For use by Device only
+    virtual void setConnected(bool connected) = 0; // For use by HWComposer only
     virtual bool hasCapability(
             aidl::android::hardware::graphics::composer3::DisplayCapability) const = 0;
     virtual bool isVsyncPeriodSwitchSupported() const = 0;
@@ -253,7 +253,7 @@
     // Other Display methods
     hal::HWDisplayId getId() const override { return mId; }
     bool isConnected() const override { return mIsConnected; }
-    void setConnected(bool connected) override; // For use by Device only
+    void setConnected(bool connected) override;
     bool hasCapability(aidl::android::hardware::graphics::composer3::DisplayCapability)
             const override EXCLUDES(mDisplayCapabilitiesMutex);
     bool isVsyncPeriodSwitchSupported() const override;
@@ -271,7 +271,7 @@
 
     // Member variables
 
-    // These are references to data owned by HWC2::Device, which will outlive
+    // These are references to data owned by HWComposer, which will outlive
     // this HWC2::Display, so these references are guaranteed to be valid for
     // the lifetime of this object.
     android::Hwc2::Composer& mComposer;
@@ -383,7 +383,7 @@
     hal::Error setBlockingRegion(const android::Region& region) override;
 
 private:
-    // These are references to data owned by HWC2::Device, which will outlive
+    // These are references to data owned by HWComposer, which will outlive
     // this HWC2::Layer, so these references are guaranteed to be valid for
     // the lifetime of this object.
     android::Hwc2::Composer& mComposer;
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index a6aee1f..0a4ad97 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -144,7 +144,7 @@
     return mUpdateDeviceProductInfoOnHotplugReconnect;
 }
 
-bool HWComposer::onVsync(hal::HWDisplayId hwcDisplayId, int64_t timestamp) {
+bool HWComposer::onVsync(hal::HWDisplayId hwcDisplayId, nsecs_t timestamp) {
     const auto displayId = toPhysicalDisplayId(hwcDisplayId);
     if (!displayId) {
         LOG_HWC_DISPLAY_ERROR(hwcDisplayId, "Invalid HWC display");
@@ -160,13 +160,13 @@
         // with the same timestamp when turning the display off and on. This
         // is a bug in the HWC implementation, but filter the extra events
         // out here so they don't cause havoc downstream.
-        if (timestamp == displayData.lastHwVsync) {
+        if (timestamp == displayData.lastPresentTimestamp) {
             ALOGW("Ignoring duplicate VSYNC event from HWC for display %s (t=%" PRId64 ")",
                   to_string(*displayId).c_str(), timestamp);
             return false;
         }
 
-        displayData.lastHwVsync = timestamp;
+        displayData.lastPresentTimestamp = timestamp;
     }
 
     const auto tag = "HW_VSYNC_" + to_string(*displayId);
@@ -252,11 +252,7 @@
 }
 
 bool HWComposer::isConnected(PhysicalDisplayId displayId) const {
-    if (mDisplayData.count(displayId)) {
-        return mDisplayData.at(displayId).hwcDisplay->isConnected();
-    }
-
-    return false;
+    return mDisplayData.count(displayId) && mDisplayData.at(displayId).hwcDisplay->isConnected();
 }
 
 std::vector<HWComposer::HWCDisplayMode> HWComposer::getModes(PhysicalDisplayId displayId) const {
@@ -286,17 +282,12 @@
 
 std::optional<hal::HWConfigId> HWComposer::getActiveMode(PhysicalDisplayId displayId) const {
     RETURN_IF_INVALID_DISPLAY(displayId, std::nullopt);
-
     const auto hwcId = *fromPhysicalDisplayId(displayId);
-    ALOGV("[%" PRIu64 "] getActiveMode", hwcId);
+
     hal::HWConfigId configId;
-    auto error = static_cast<hal::Error>(mComposer->getActiveConfig(hwcId, &configId));
+    const auto error = static_cast<hal::Error>(mComposer->getActiveConfig(hwcId, &configId));
 
-    if (error == hal::Error::BAD_CONFIG) {
-        LOG_DISPLAY_ERROR(displayId, "No active mode");
-        return std::nullopt;
-    }
-
+    RETURN_IF_HWC_ERROR_FOR("getActiveConfig", error, displayId, std::nullopt);
     return configId;
 }
 
@@ -494,6 +485,11 @@
     return mDisplayData.at(displayId).lastPresentFence;
 }
 
+nsecs_t HWComposer::getPresentTimestamp(PhysicalDisplayId displayId) const {
+    RETURN_IF_INVALID_DISPLAY(displayId, 0);
+    return mDisplayData.at(displayId).lastPresentTimestamp;
+}
+
 sp<Fence> HWComposer::getLayerReleaseFence(HalDisplayId displayId, HWC2::Layer* layer) const {
     RETURN_IF_INVALID_DISPLAY(displayId, Fence::NO_FENCE);
     const auto& displayFences = mDisplayData.at(displayId).releaseFences;
@@ -951,18 +947,15 @@
         return {};
     }
 
-    // The display will later be destroyed by a call to
-    // destroyDisplay(). For now we just mark it disconnected.
-    if (isConnected(*displayId)) {
-        mDisplayData[*displayId].hwcDisplay->setConnected(false);
-    } else {
+    if (!isConnected(*displayId)) {
         LOG_HWC_DISPLAY_ERROR(hwcDisplayId, "Already disconnected");
+        return {};
     }
-    // The cleanup of Disconnect is handled through HWComposer::disconnectDisplay
-    // via SurfaceFlinger's onHotplugReceived callback handling
-    return DisplayIdentificationInfo{.id = *displayId,
-                                     .name = std::string(),
-                                     .deviceProductInfo = std::nullopt};
+
+    // The display will later be destroyed by a call to HWComposer::disconnectDisplay. For now, mark
+    // it as disconnected.
+    mDisplayData.at(*displayId).hwcDisplay->setConnected(false);
+    return DisplayIdentificationInfo{.id = *displayId};
 }
 
 void HWComposer::loadCapabilities() {
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 92a8f30..6c43d8b 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -160,8 +160,9 @@
     // reset state when a display is disconnected
     virtual void disconnectDisplay(HalDisplayId) = 0;
 
-    // get the present fence received from the last call to present.
+    // Get the present fence/timestamp received from the last call to present.
     virtual sp<Fence> getPresentFence(HalDisplayId) const = 0;
+    virtual nsecs_t getPresentTimestamp(PhysicalDisplayId) const = 0;
 
     // Get last release fence for the given layer
     virtual sp<Fence> getLayerReleaseFence(HalDisplayId, HWC2::Layer*) const = 0;
@@ -214,7 +215,7 @@
     // TODO(b/157555476): Remove when the framework has proper support for headless mode
     virtual bool updatesDeviceProductInfoOnHotplugReconnect() const = 0;
 
-    virtual bool onVsync(hal::HWDisplayId, int64_t timestamp) = 0;
+    virtual bool onVsync(hal::HWDisplayId, nsecs_t timestamp) = 0;
     virtual void setVsyncEnabled(PhysicalDisplayId, hal::Vsync enabled) = 0;
 
     virtual bool isConnected(PhysicalDisplayId) const = 0;
@@ -343,8 +344,9 @@
     // reset state when a display is disconnected
     void disconnectDisplay(HalDisplayId) override;
 
-    // get the present fence received from the last call to present.
+    // Get the present fence/timestamp received from the last call to present.
     sp<Fence> getPresentFence(HalDisplayId) const override;
+    nsecs_t getPresentTimestamp(PhysicalDisplayId) const override;
 
     // Get last release fence for the given layer
     sp<Fence> getLayerReleaseFence(HalDisplayId, HWC2::Layer*) const override;
@@ -387,7 +389,7 @@
 
     bool updatesDeviceProductInfoOnHotplugReconnect() const override;
 
-    bool onVsync(hal::HWDisplayId, int64_t timestamp) override;
+    bool onVsync(hal::HWDisplayId, nsecs_t timestamp) override;
     void setVsyncEnabled(PhysicalDisplayId, hal::Vsync enabled) override;
 
     bool isConnected(PhysicalDisplayId) const override;
@@ -456,7 +458,10 @@
 
     struct DisplayData {
         std::unique_ptr<HWC2::Display> hwcDisplay;
+
         sp<Fence> lastPresentFence = Fence::NO_FENCE; // signals when the last set op retires
+        nsecs_t lastPresentTimestamp = 0;
+
         std::unordered_map<HWC2::Layer*, sp<Fence>> releaseFences;
 
         bool validateWasSkipped;
@@ -466,8 +471,6 @@
 
         std::mutex vsyncEnabledLock;
         hal::Vsync vsyncEnabled GUARDED_BY(vsyncEnabledLock) = hal::Vsync::DISABLE;
-
-        nsecs_t lastHwVsync = 0;
     };
 
     std::optional<DisplayIdentificationInfo> onHotplugConnect(hal::HWDisplayId);
diff --git a/services/surfaceflinger/DisplayHardware/Hal.h b/services/surfaceflinger/DisplayHardware/Hal.h
index 4737034..33a7bca 100644
--- a/services/surfaceflinger/DisplayHardware/Hal.h
+++ b/services/surfaceflinger/DisplayHardware/Hal.h
@@ -177,6 +177,9 @@
     return to_string(static_cast<hardware::graphics::composer::hal::V2_4::Error>(error));
 }
 
+// For utils::Dumper ADL.
+namespace hardware::graphics::composer::V2_2 {
+
 inline std::string to_string(hardware::graphics::composer::hal::PowerMode mode) {
     switch (mode) {
         case hardware::graphics::composer::hal::PowerMode::OFF:
@@ -194,6 +197,8 @@
     }
 }
 
+} // namespace hardware::graphics::composer::V2_2
+
 inline std::string to_string(hardware::graphics::composer::hal::Vsync vsync) {
     switch (vsync) {
         case hardware::graphics::composer::hal::Vsync::ENABLE:
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index a0350b7..cb2c8c5 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -59,8 +59,6 @@
 using android::hardware::power::Mode;
 using android::hardware::power::WorkDuration;
 
-using scheduler::OneShotTimer;
-
 PowerAdvisor::~PowerAdvisor() = default;
 
 namespace {
@@ -196,7 +194,7 @@
     return mPowerHintSessionRunning;
 }
 
-void PowerAdvisor::setTargetWorkDuration(int64_t targetDuration) {
+void PowerAdvisor::setTargetWorkDuration(Duration targetDuration) {
     if (!usePowerHintSession()) {
         ALOGV("Power hint session target duration cannot be set, skipping");
         return;
@@ -215,13 +213,13 @@
         ALOGV("Actual work duration power hint cannot be sent, skipping");
         return;
     }
-    const std::optional<nsecs_t> actualDuration = estimateWorkDuration(false);
+    const std::optional<Duration> actualDuration = estimateWorkDuration(false);
     if (actualDuration.has_value()) {
         std::lock_guard lock(mPowerHalMutex);
         HalWrapper* const halWrapper = getPowerHal();
         if (halWrapper != nullptr) {
-            halWrapper->sendActualWorkDuration(*actualDuration + kTargetSafetyMargin.count(),
-                                               systemTime());
+            halWrapper->sendActualWorkDuration(*actualDuration + kTargetSafetyMargin,
+                                               TimePoint::now());
         }
     }
 }
@@ -232,14 +230,14 @@
         return;
     }
 
-    const std::optional<nsecs_t> predictedDuration = estimateWorkDuration(true);
+    const std::optional<Duration> predictedDuration = estimateWorkDuration(true);
 
     if (predictedDuration.has_value()) {
         std::lock_guard lock(mPowerHalMutex);
         HalWrapper* const halWrapper = getPowerHal();
         if (halWrapper != nullptr) {
-            halWrapper->sendActualWorkDuration(*predictedDuration + kTargetSafetyMargin.count(),
-                                               systemTime());
+            halWrapper->sendActualWorkDuration(*predictedDuration + kTargetSafetyMargin,
+                                               TimePoint::now());
         }
     }
 }
@@ -281,22 +279,22 @@
                 }
             }
             displayData.lastValidGpuStartTime = displayData.gpuStartTime;
-            displayData.lastValidGpuEndTime = signalTime;
+            displayData.lastValidGpuEndTime = TimePoint::fromNs(signalTime);
         }
     }
     displayData.gpuEndFenceTime = std::move(fenceTime);
-    displayData.gpuStartTime = systemTime();
+    displayData.gpuStartTime = TimePoint::now();
 }
 
-void PowerAdvisor::setHwcValidateTiming(DisplayId displayId, nsecs_t validateStartTime,
-                                        nsecs_t validateEndTime) {
+void PowerAdvisor::setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                                        TimePoint validateEndTime) {
     DisplayTimingData& displayData = mDisplayTimingData[displayId];
     displayData.hwcValidateStartTime = validateStartTime;
     displayData.hwcValidateEndTime = validateEndTime;
 }
 
-void PowerAdvisor::setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                                       nsecs_t presentEndTime) {
+void PowerAdvisor::setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                                       TimePoint presentEndTime) {
     DisplayTimingData& displayData = mDisplayTimingData[displayId];
     displayData.hwcPresentStartTime = presentStartTime;
     displayData.hwcPresentEndTime = presentEndTime;
@@ -311,43 +309,41 @@
     mDisplayTimingData[displayId].usedClientComposition = requiresClientComposition;
 }
 
-void PowerAdvisor::setExpectedPresentTime(nsecs_t expectedPresentTime) {
+void PowerAdvisor::setExpectedPresentTime(TimePoint expectedPresentTime) {
     mExpectedPresentTimes.append(expectedPresentTime);
 }
 
-void PowerAdvisor::setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) {
+void PowerAdvisor::setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) {
     mLastSfPresentEndTime = presentEndTime;
     mLastPresentFenceTime = presentFenceTime;
 }
 
-void PowerAdvisor::setFrameDelay(nsecs_t frameDelayDuration) {
+void PowerAdvisor::setFrameDelay(Duration frameDelayDuration) {
     mFrameDelayDuration = frameDelayDuration;
 }
 
-void PowerAdvisor::setHwcPresentDelayedTime(
-        DisplayId displayId, std::chrono::steady_clock::time_point earliestFrameStartTime) {
-    mDisplayTimingData[displayId].hwcPresentDelayedTime =
-            (earliestFrameStartTime - std::chrono::steady_clock::now()).count() + systemTime();
+void PowerAdvisor::setHwcPresentDelayedTime(DisplayId displayId, TimePoint earliestFrameStartTime) {
+    mDisplayTimingData[displayId].hwcPresentDelayedTime = earliestFrameStartTime;
 }
 
-void PowerAdvisor::setCommitStart(nsecs_t commitStartTime) {
+void PowerAdvisor::setCommitStart(TimePoint commitStartTime) {
     mCommitStartTimes.append(commitStartTime);
 }
 
-void PowerAdvisor::setCompositeEnd(nsecs_t compositeEnd) {
-    mLastPostcompDuration = compositeEnd - mLastSfPresentEndTime;
+void PowerAdvisor::setCompositeEnd(TimePoint compositeEndTime) {
+    mLastPostcompDuration = compositeEndTime - mLastSfPresentEndTime;
 }
 
 void PowerAdvisor::setDisplays(std::vector<DisplayId>& displayIds) {
     mDisplayIds = displayIds;
 }
 
-void PowerAdvisor::setTotalFrameTargetWorkDuration(nsecs_t targetDuration) {
+void PowerAdvisor::setTotalFrameTargetWorkDuration(Duration targetDuration) {
     mTotalFrameTargetDuration = targetDuration;
 }
 
 std::vector<DisplayId> PowerAdvisor::getOrderedDisplayIds(
-        std::optional<nsecs_t> DisplayTimingData::*sortBy) {
+        std::optional<TimePoint> DisplayTimingData::*sortBy) {
     std::vector<DisplayId> sortedDisplays;
     std::copy_if(mDisplayIds.begin(), mDisplayIds.end(), std::back_inserter(sortedDisplays),
                  [&](DisplayId id) {
@@ -360,33 +356,34 @@
     return sortedDisplays;
 }
 
-std::optional<nsecs_t> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
+std::optional<Duration> PowerAdvisor::estimateWorkDuration(bool earlyHint) {
     if (earlyHint && (!mExpectedPresentTimes.isFull() || !mCommitStartTimes.isFull())) {
         return std::nullopt;
     }
 
     // Tracks when we finish presenting to hwc
-    nsecs_t estimatedEndTime = mCommitStartTimes[0];
+    TimePoint estimatedEndTime = mCommitStartTimes[0];
 
     // How long we spent this frame not doing anything, waiting for fences or vsync
-    nsecs_t idleDuration = 0;
+    Duration idleDuration = 0ns;
 
     // Most recent previous gpu end time in the current frame, probably from a prior display, used
     // as the start time for the next gpu operation if it ran over time since it probably blocked
-    std::optional<nsecs_t> previousValidGpuEndTime;
+    std::optional<TimePoint> previousValidGpuEndTime;
 
     // The currently estimated gpu end time for the frame,
     // used to accumulate gpu time as we iterate over the active displays
-    std::optional<nsecs_t> estimatedGpuEndTime;
+    std::optional<TimePoint> estimatedGpuEndTime;
 
     // If we're predicting at the start of the frame, we use last frame as our reference point
     // If we're predicting at the end of the frame, we use the current frame as a reference point
-    nsecs_t referenceFrameStartTime = (earlyHint ? mCommitStartTimes[-1] : mCommitStartTimes[0]);
+    TimePoint referenceFrameStartTime = (earlyHint ? mCommitStartTimes[-1] : mCommitStartTimes[0]);
 
     // When the prior frame should be presenting to the display
     // If we're predicting at the start of the frame, we use last frame's expected present time
     // If we're predicting at the end of the frame, the present fence time is already known
-    nsecs_t lastFramePresentTime = (earlyHint ? mExpectedPresentTimes[-1] : mLastPresentFenceTime);
+    TimePoint lastFramePresentTime =
+            (earlyHint ? mExpectedPresentTimes[-1] : mLastPresentFenceTime);
 
     // The timing info for the previously calculated display, if there was one
     std::optional<DisplayTimeline> previousDisplayReferenceTiming;
@@ -427,10 +424,10 @@
         // Track how long we spent waiting for the fence, can be excluded from the timing estimate
         idleDuration += estimatedTiming.probablyWaitsForPresentFence
                 ? lastFramePresentTime - estimatedTiming.presentFenceWaitStartTime
-                : 0;
+                : 0ns;
 
         // Track how long we spent waiting to present, can be excluded from the timing estimate
-        idleDuration += earlyHint ? 0 : referenceTiming.hwcPresentDelayDuration;
+        idleDuration += earlyHint ? 0ns : referenceTiming.hwcPresentDelayDuration;
 
         // Estimate the reference frame's gpu timing
         auto gpuTiming = displayData.estimateGpuTiming(previousValidGpuEndTime);
@@ -438,15 +435,15 @@
             previousValidGpuEndTime = gpuTiming->startTime + gpuTiming->duration;
 
             // Estimate the prediction frame's gpu end time from the reference frame
-            estimatedGpuEndTime =
-                    std::max(estimatedTiming.hwcPresentStartTime, estimatedGpuEndTime.value_or(0)) +
+            estimatedGpuEndTime = std::max(estimatedTiming.hwcPresentStartTime,
+                                           estimatedGpuEndTime.value_or(TimePoint{0ns})) +
                     gpuTiming->duration;
         }
         previousDisplayReferenceTiming = referenceTiming;
     }
-    ATRACE_INT64("Idle duration", idleDuration);
+    ATRACE_INT64("Idle duration", idleDuration.ns());
 
-    nsecs_t estimatedFlingerEndTime = earlyHint ? estimatedEndTime : mLastSfPresentEndTime;
+    TimePoint estimatedFlingerEndTime = earlyHint ? estimatedEndTime : mLastSfPresentEndTime;
 
     // Don't count time spent idly waiting in the estimate as we could do more work in that time
     estimatedEndTime -= idleDuration;
@@ -454,21 +451,22 @@
 
     // We finish the frame when both present and the gpu are done, so wait for the later of the two
     // Also add the frame delay duration since the target did not move while we were delayed
-    nsecs_t totalDuration = mFrameDelayDuration +
-            std::max(estimatedEndTime, estimatedGpuEndTime.value_or(0)) - mCommitStartTimes[0];
+    Duration totalDuration = mFrameDelayDuration +
+            std::max(estimatedEndTime, estimatedGpuEndTime.value_or(TimePoint{0ns})) -
+            mCommitStartTimes[0];
 
     // We finish SurfaceFlinger when post-composition finishes, so add that in here
-    nsecs_t flingerDuration =
+    Duration flingerDuration =
             estimatedFlingerEndTime + mLastPostcompDuration - mCommitStartTimes[0];
 
     // Combine the two timings into a single normalized one
-    nsecs_t combinedDuration = combineTimingEstimates(totalDuration, flingerDuration);
+    Duration combinedDuration = combineTimingEstimates(totalDuration, flingerDuration);
 
     return std::make_optional(combinedDuration);
 }
 
-nsecs_t PowerAdvisor::combineTimingEstimates(nsecs_t totalDuration, nsecs_t flingerDuration) {
-    nsecs_t targetDuration;
+Duration PowerAdvisor::combineTimingEstimates(Duration totalDuration, Duration flingerDuration) {
+    Duration targetDuration{0ns};
     {
         std::lock_guard lock(mPowerHalMutex);
         targetDuration = *getPowerHal()->getTargetWorkDuration();
@@ -477,17 +475,18 @@
 
     // Normalize total to the flinger target (vsync period) since that's how often we actually send
     // hints
-    nsecs_t normalizedTotalDuration = (targetDuration * totalDuration) / *mTotalFrameTargetDuration;
+    Duration normalizedTotalDuration = Duration::fromNs((targetDuration.ns() * totalDuration.ns()) /
+                                                        mTotalFrameTargetDuration->ns());
     return std::max(flingerDuration, normalizedTotalDuration);
 }
 
 PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimeline::estimateTimelineFromReference(
-        nsecs_t fenceTime, nsecs_t displayStartTime) {
+        TimePoint fenceTime, TimePoint displayStartTime) {
     DisplayTimeline estimated;
     estimated.hwcPresentStartTime = displayStartTime;
 
     // We don't predict waiting for vsync alignment yet
-    estimated.hwcPresentDelayDuration = 0;
+    estimated.hwcPresentDelayDuration = 0ns;
 
     // How long we expect to run before we start waiting for the fence
     // For now just re-use last frame's post-present duration and assume it will not change much
@@ -502,12 +501,11 @@
 }
 
 PowerAdvisor::DisplayTimeline PowerAdvisor::DisplayTimingData::calculateDisplayTimeline(
-        nsecs_t fenceTime) {
+        TimePoint fenceTime) {
     DisplayTimeline timeline;
     // How long between calling hwc present and trying to wait on the fence
-    const nsecs_t fenceWaitStartDelay =
-            (skippedValidate ? kFenceWaitStartDelaySkippedValidate : kFenceWaitStartDelayValidated)
-                    .count();
+    const Duration fenceWaitStartDelay =
+            (skippedValidate ? kFenceWaitStartDelaySkippedValidate : kFenceWaitStartDelayValidated);
 
     // Did our reference frame wait for an appropriate vsync before calling into hwc
     const bool waitedOnHwcPresentTime = hwcPresentDelayedTime.has_value() &&
@@ -522,7 +520,7 @@
 
     // How long hwc present was delayed waiting for the next appropriate vsync
     timeline.hwcPresentDelayDuration =
-            (waitedOnHwcPresentTime ? *hwcPresentDelayedTime - *hwcPresentStartTime : 0);
+            (waitedOnHwcPresentTime ? *hwcPresentDelayedTime - *hwcPresentStartTime : 0ns);
     // When we started waiting for the present fence after calling into hwc present
     timeline.presentFenceWaitStartTime =
             timeline.hwcPresentStartTime + timeline.hwcPresentDelayDuration + fenceWaitStartDelay;
@@ -537,23 +535,26 @@
 }
 
 std::optional<PowerAdvisor::GpuTimeline> PowerAdvisor::DisplayTimingData::estimateGpuTiming(
-        std::optional<nsecs_t> previousEnd) {
+        std::optional<TimePoint> previousEndTime) {
     if (!(usedClientComposition && lastValidGpuStartTime.has_value() && gpuEndFenceTime)) {
         return std::nullopt;
     }
-    const nsecs_t latestGpuStartTime = std::max(previousEnd.value_or(0), *gpuStartTime);
-    const nsecs_t latestGpuEndTime = gpuEndFenceTime->getSignalTime();
-    nsecs_t gpuDuration = 0;
-    if (latestGpuEndTime != Fence::SIGNAL_TIME_INVALID &&
-        latestGpuEndTime != Fence::SIGNAL_TIME_PENDING) {
+    const TimePoint latestGpuStartTime =
+            std::max(previousEndTime.value_or(TimePoint{0ns}), *gpuStartTime);
+    const nsecs_t gpuEndFenceSignal = gpuEndFenceTime->getSignalTime();
+    Duration gpuDuration{0ns};
+    if (gpuEndFenceSignal != Fence::SIGNAL_TIME_INVALID &&
+        gpuEndFenceSignal != Fence::SIGNAL_TIME_PENDING) {
+        const TimePoint latestGpuEndTime = TimePoint::fromNs(gpuEndFenceSignal);
+
         // If we know how long the most recent gpu duration was, use that
         gpuDuration = latestGpuEndTime - latestGpuStartTime;
     } else if (lastValidGpuEndTime.has_value()) {
         // If we don't have the fence data, use the most recent information we do have
         gpuDuration = *lastValidGpuEndTime - *lastValidGpuStartTime;
-        if (latestGpuEndTime == Fence::SIGNAL_TIME_PENDING) {
+        if (gpuEndFenceSignal == Fence::SIGNAL_TIME_PENDING) {
             // If pending but went over the previous duration, use current time as the end
-            gpuDuration = std::max(gpuDuration, systemTime() - latestGpuStartTime);
+            gpuDuration = std::max(gpuDuration, Duration{TimePoint::now() - latestGpuStartTime});
         }
     }
     return GpuTimeline{.duration = gpuDuration, .startTime = latestGpuStartTime};
@@ -614,15 +615,15 @@
 
     bool startPowerHintSession() override { return false; }
 
-    void setTargetWorkDuration(int64_t) override {}
+    void setTargetWorkDuration(Duration) override {}
 
-    void sendActualWorkDuration(int64_t, nsecs_t) override {}
+    void sendActualWorkDuration(Duration, TimePoint) override {}
 
     bool shouldReconnectHAL() override { return false; }
 
     std::vector<int32_t> getPowerHintSessionThreadIds() override { return std::vector<int32_t>{}; }
 
-    std::optional<int64_t> getTargetWorkDuration() override { return std::nullopt; }
+    std::optional<Duration> getTargetWorkDuration() override { return std::nullopt; }
 
 private:
     const sp<V1_3::IPower> mPowerHal = nullptr;
@@ -640,9 +641,6 @@
     }
 
     mSupportsPowerHint = checkPowerHintSessionSupported();
-
-    // Currently set to 0 to disable rate limiter by default
-    mAllowedActualDeviation = base::GetIntProperty<nsecs_t>("debug.sf.allowed_actual_deviation", 0);
 }
 
 AidlPowerHalWrapper::~AidlPowerHalWrapper() {
@@ -730,9 +728,9 @@
         ALOGV("Cannot start power hint session, skipping");
         return false;
     }
-    auto ret =
-            mPowerHal->createHintSession(getpid(), static_cast<int32_t>(getuid()),
-                                         mPowerHintThreadIds, mTargetDuration, &mPowerHintSession);
+    auto ret = mPowerHal->createHintSession(getpid(), static_cast<int32_t>(getuid()),
+                                            mPowerHintThreadIds, mTargetDuration.ns(),
+                                            &mPowerHintSession);
     if (!ret.isOk()) {
         ALOGW("Failed to start power hint session with error: %s",
               ret.exceptionToString(ret.exceptionCode()).c_str());
@@ -742,14 +740,14 @@
     return isPowerHintSessionRunning();
 }
 
-void AidlPowerHalWrapper::setTargetWorkDuration(int64_t targetDuration) {
+void AidlPowerHalWrapper::setTargetWorkDuration(Duration targetDuration) {
     ATRACE_CALL();
     mTargetDuration = targetDuration;
-    if (sTraceHintSessionData) ATRACE_INT64("Time target", targetDuration);
+    if (sTraceHintSessionData) ATRACE_INT64("Time target", targetDuration.ns());
     if (isPowerHintSessionRunning() && (targetDuration != mLastTargetDurationSent)) {
-        ALOGV("Sending target time: %" PRId64 "ns", targetDuration);
+        ALOGV("Sending target time: %" PRId64 "ns", targetDuration.ns());
         mLastTargetDurationSent = targetDuration;
-        auto ret = mPowerHintSession->updateTargetWorkDuration(targetDuration);
+        auto ret = mPowerHintSession->updateTargetWorkDuration(targetDuration.ns());
         if (!ret.isOk()) {
             ALOGW("Failed to set power hint target work duration with error: %s",
                   ret.exceptionMessage().c_str());
@@ -758,64 +756,40 @@
     }
 }
 
-bool AidlPowerHalWrapper::shouldReportActualDurations() {
-    // Report if we have never reported before or are approaching a stale session
-    if (!mLastActualDurationSent.has_value() ||
-        (systemTime() - mLastActualReportTimestamp) > kStaleTimeout.count()) {
-        return true;
-    }
-
-    if (!mActualDuration.has_value()) {
-        return false;
-    }
-    // Report if the change in actual duration exceeds the threshold
-    return abs(*mActualDuration - *mLastActualDurationSent) > mAllowedActualDeviation;
-}
-
-void AidlPowerHalWrapper::sendActualWorkDuration(int64_t actualDuration, nsecs_t timestamp) {
+void AidlPowerHalWrapper::sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) {
     ATRACE_CALL();
-
-    if (actualDuration < 0 || !isPowerHintSessionRunning()) {
+    if (actualDuration < 0ns || !isPowerHintSessionRunning()) {
         ALOGV("Failed to send actual work duration, skipping");
         return;
     }
-    const nsecs_t reportedDuration = actualDuration;
-
-    mActualDuration = reportedDuration;
+    mActualDuration = actualDuration;
     WorkDuration duration;
-    duration.durationNanos = reportedDuration;
-    duration.timeStampNanos = timestamp;
+    duration.durationNanos = actualDuration.ns();
+    duration.timeStampNanos = timestamp.ns();
     mPowerHintQueue.push_back(duration);
 
     if (sTraceHintSessionData) {
-        ATRACE_INT64("Measured duration", actualDuration);
-        ATRACE_INT64("Target error term", actualDuration - mTargetDuration);
+        ATRACE_INT64("Measured duration", actualDuration.ns());
+        ATRACE_INT64("Target error term", Duration{actualDuration - mTargetDuration}.ns());
 
-        ATRACE_INT64("Reported duration", reportedDuration);
-        ATRACE_INT64("Reported target", mLastTargetDurationSent);
-        ATRACE_INT64("Reported target error term", reportedDuration - mLastTargetDurationSent);
+        ATRACE_INT64("Reported duration", actualDuration.ns());
+        ATRACE_INT64("Reported target", mLastTargetDurationSent.ns());
+        ATRACE_INT64("Reported target error term",
+                     Duration{actualDuration - mLastTargetDurationSent}.ns());
     }
 
     ALOGV("Sending actual work duration of: %" PRId64 " on reported target: %" PRId64
           " with error: %" PRId64,
-          reportedDuration, mLastTargetDurationSent, reportedDuration - mLastTargetDurationSent);
+          actualDuration.ns(), mLastTargetDurationSent.ns(),
+          Duration{actualDuration - mLastTargetDurationSent}.ns());
 
-    // This rate limiter queues similar duration reports to the powerhal into
-    // batches to avoid excessive binder calls. The criteria to send a given batch
-    // are outlined in shouldReportActualDurationsNow()
-    if (shouldReportActualDurations()) {
-        ALOGV("Sending hint update batch");
-        mLastActualReportTimestamp = systemTime();
-        auto ret = mPowerHintSession->reportActualWorkDuration(mPowerHintQueue);
-        if (!ret.isOk()) {
-            ALOGW("Failed to report actual work durations with error: %s",
-                  ret.exceptionMessage().c_str());
-            mShouldReconnectHal = true;
-        }
-        mPowerHintQueue.clear();
-        // We save the actual duration here for rate limiting
-        mLastActualDurationSent = actualDuration;
+    auto ret = mPowerHintSession->reportActualWorkDuration(mPowerHintQueue);
+    if (!ret.isOk()) {
+        ALOGW("Failed to report actual work durations with error: %s",
+              ret.exceptionMessage().c_str());
+        mShouldReconnectHal = true;
     }
+    mPowerHintQueue.clear();
 }
 
 bool AidlPowerHalWrapper::shouldReconnectHAL() {
@@ -826,14 +800,10 @@
     return mPowerHintThreadIds;
 }
 
-std::optional<int64_t> AidlPowerHalWrapper::getTargetWorkDuration() {
+std::optional<Duration> AidlPowerHalWrapper::getTargetWorkDuration() {
     return mTargetDuration;
 }
 
-void AidlPowerHalWrapper::setAllowedActualDeviation(nsecs_t allowedDeviation) {
-    mAllowedActualDeviation = allowedDeviation;
-}
-
 const bool AidlPowerHalWrapper::sTraceHintSessionData =
         base::GetBoolProperty(std::string("debug.sf.trace_hint_sessions"), false);
 
@@ -844,7 +814,7 @@
 
     // Grab old hint session values before we destroy any existing wrapper
     std::vector<int32_t> oldPowerHintSessionThreadIds;
-    std::optional<int64_t> oldTargetWorkDuration;
+    std::optional<Duration> oldTargetWorkDuration;
 
     if (mHalWrapper != nullptr) {
         oldPowerHintSessionThreadIds = mHalWrapper->getPowerHintSessionThreadIds();
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
index 6e25f78..1c9d123 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
@@ -27,6 +27,7 @@
 
 #include <android/hardware/power/IPower.h>
 #include <compositionengine/impl/OutputCompositionState.h>
+#include <scheduler/Time.h>
 #include <ui/DisplayIdentification.h>
 #include "../Scheduler/OneShotTimer.h"
 
@@ -53,7 +54,7 @@
     virtual bool supportsPowerHintSession() = 0;
     virtual bool isPowerHintSessionRunning() = 0;
     // Sends a power hint that updates to the target work duration for the frame
-    virtual void setTargetWorkDuration(nsecs_t targetDuration) = 0;
+    virtual void setTargetWorkDuration(Duration targetDuration) = 0;
     // Sends a power hint for the actual known work duration at the end of the frame
     virtual void sendActualWorkDuration() = 0;
     // Sends a power hint for the upcoming frame predicted from previous frame timing
@@ -65,33 +66,33 @@
     // Provides PowerAdvisor with a copy of the gpu fence so it can determine the gpu end time
     virtual void setGpuFenceTime(DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime) = 0;
     // Reports the start and end times of a hwc validate call this frame for a given display
-    virtual void setHwcValidateTiming(DisplayId displayId, nsecs_t validateStartTime,
-                                      nsecs_t validateEndTime) = 0;
+    virtual void setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                                      TimePoint validateEndTime) = 0;
     // Reports the start and end times of a hwc present call this frame for a given display
-    virtual void setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                                     nsecs_t presentEndTime) = 0;
+    virtual void setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                                     TimePoint presentEndTime) = 0;
     // Reports the expected time that the current frame will present to the display
-    virtual void setExpectedPresentTime(nsecs_t expectedPresentTime) = 0;
+    virtual void setExpectedPresentTime(TimePoint expectedPresentTime) = 0;
     // Reports the most recent present fence time and end time once known
-    virtual void setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) = 0;
+    virtual void setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) = 0;
     // Reports whether a display used client composition this frame
     virtual void setRequiresClientComposition(DisplayId displayId,
                                               bool requiresClientComposition) = 0;
     // Reports whether a given display skipped validation this frame
     virtual void setSkippedValidate(DisplayId displayId, bool skipped) = 0;
     // Reports when a hwc present is delayed, and the time that it will resume
-    virtual void setHwcPresentDelayedTime(
-            DisplayId displayId, std::chrono::steady_clock::time_point earliestFrameStartTime) = 0;
+    virtual void setHwcPresentDelayedTime(DisplayId displayId,
+                                          TimePoint earliestFrameStartTime) = 0;
     // Reports the start delay for SurfaceFlinger this frame
-    virtual void setFrameDelay(nsecs_t frameDelayDuration) = 0;
+    virtual void setFrameDelay(Duration frameDelayDuration) = 0;
     // Reports the SurfaceFlinger commit start time this frame
-    virtual void setCommitStart(nsecs_t commitStartTime) = 0;
+    virtual void setCommitStart(TimePoint commitStartTime) = 0;
     // Reports the SurfaceFlinger composite end time this frame
-    virtual void setCompositeEnd(nsecs_t compositeEndTime) = 0;
+    virtual void setCompositeEnd(TimePoint compositeEndTime) = 0;
     // Reports the list of the currently active displays
     virtual void setDisplays(std::vector<DisplayId>& displayIds) = 0;
     // Sets the target duration for the entire pipeline including the gpu
-    virtual void setTotalFrameTargetWorkDuration(nsecs_t targetDuration) = 0;
+    virtual void setTotalFrameTargetWorkDuration(Duration targetDuration) = 0;
 };
 
 namespace impl {
@@ -111,11 +112,11 @@
         virtual void restartPowerHintSession() = 0;
         virtual void setPowerHintSessionThreadIds(const std::vector<int32_t>& threadIds) = 0;
         virtual bool startPowerHintSession() = 0;
-        virtual void setTargetWorkDuration(nsecs_t targetDuration) = 0;
-        virtual void sendActualWorkDuration(nsecs_t actualDuration, nsecs_t timestamp) = 0;
+        virtual void setTargetWorkDuration(Duration targetDuration) = 0;
+        virtual void sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) = 0;
         virtual bool shouldReconnectHAL() = 0;
         virtual std::vector<int32_t> getPowerHintSessionThreadIds() = 0;
-        virtual std::optional<nsecs_t> getTargetWorkDuration() = 0;
+        virtual std::optional<Duration> getTargetWorkDuration() = 0;
     };
 
     PowerAdvisor(SurfaceFlinger& flinger);
@@ -129,29 +130,27 @@
     bool usePowerHintSession() override;
     bool supportsPowerHintSession() override;
     bool isPowerHintSessionRunning() override;
-    void setTargetWorkDuration(nsecs_t targetDuration) override;
+    void setTargetWorkDuration(Duration targetDuration) override;
     void sendActualWorkDuration() override;
     void sendPredictedWorkDuration() override;
     void enablePowerHint(bool enabled) override;
     bool startPowerHintSession(const std::vector<int32_t>& threadIds) override;
     void setGpuFenceTime(DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime);
-    void setHwcValidateTiming(DisplayId displayId, nsecs_t valiateStartTime,
-                              nsecs_t validateEndTime) override;
-    void setHwcPresentTiming(DisplayId displayId, nsecs_t presentStartTime,
-                             nsecs_t presentEndTime) override;
+    void setHwcValidateTiming(DisplayId displayId, TimePoint validateStartTime,
+                              TimePoint validateEndTime) override;
+    void setHwcPresentTiming(DisplayId displayId, TimePoint presentStartTime,
+                             TimePoint presentEndTime) override;
     void setSkippedValidate(DisplayId displayId, bool skipped) override;
     void setRequiresClientComposition(DisplayId displayId, bool requiresClientComposition) override;
-    void setExpectedPresentTime(nsecs_t expectedPresentTime) override;
-    void setSfPresentTiming(nsecs_t presentFenceTime, nsecs_t presentEndTime) override;
-    void setHwcPresentDelayedTime(
-            DisplayId displayId,
-            std::chrono::steady_clock::time_point earliestFrameStartTime) override;
+    void setExpectedPresentTime(TimePoint expectedPresentTime) override;
+    void setSfPresentTiming(TimePoint presentFenceTime, TimePoint presentEndTime) override;
+    void setHwcPresentDelayedTime(DisplayId displayId, TimePoint earliestFrameStartTime) override;
 
-    void setFrameDelay(nsecs_t frameDelayDuration) override;
-    void setCommitStart(nsecs_t commitStartTime) override;
-    void setCompositeEnd(nsecs_t compositeEndTime) override;
+    void setFrameDelay(Duration frameDelayDuration) override;
+    void setCommitStart(TimePoint commitStartTime) override;
+    void setCompositeEnd(TimePoint compositeEndTime) override;
     void setDisplays(std::vector<DisplayId>& displayIds) override;
-    void setTotalFrameTargetWorkDuration(nsecs_t targetDuration) override;
+    void setTotalFrameTargetWorkDuration(Duration targetDuration) override;
 
 private:
     friend class PowerAdvisorTest;
@@ -178,44 +177,45 @@
     // Higher-level timing data used for estimation
     struct DisplayTimeline {
         // The start of hwc present, or the start of validate if it happened there instead
-        nsecs_t hwcPresentStartTime = -1;
+        TimePoint hwcPresentStartTime;
         // The end of hwc present or validate, whichever one actually presented
-        nsecs_t hwcPresentEndTime = -1;
+        TimePoint hwcPresentEndTime;
         // How long the actual hwc present was delayed after hwcPresentStartTime
-        nsecs_t hwcPresentDelayDuration = 0;
+        Duration hwcPresentDelayDuration{0ns};
         // When we think we started waiting for the present fence after calling into hwc present and
         // after potentially waiting for the earliest present time
-        nsecs_t presentFenceWaitStartTime = -1;
+        TimePoint presentFenceWaitStartTime;
         // How long we ran after we finished waiting for the fence but before hwc present finished
-        nsecs_t postPresentFenceHwcPresentDuration = 0;
+        Duration postPresentFenceHwcPresentDuration{0ns};
         // Are we likely to have waited for the present fence during composition
         bool probablyWaitsForPresentFence = false;
         // Estimate one frame's timeline from that of a previous frame
-        DisplayTimeline estimateTimelineFromReference(nsecs_t fenceTime, nsecs_t displayStartTime);
+        DisplayTimeline estimateTimelineFromReference(TimePoint fenceTime,
+                                                      TimePoint displayStartTime);
     };
 
     struct GpuTimeline {
-        nsecs_t duration = 0;
-        nsecs_t startTime = -1;
+        Duration duration{0ns};
+        TimePoint startTime;
     };
 
     // Power hint session data recorded from the pipeline
     struct DisplayTimingData {
         std::unique_ptr<FenceTime> gpuEndFenceTime;
-        std::optional<nsecs_t> gpuStartTime;
-        std::optional<nsecs_t> lastValidGpuEndTime;
-        std::optional<nsecs_t> lastValidGpuStartTime;
-        std::optional<nsecs_t> hwcPresentStartTime;
-        std::optional<nsecs_t> hwcPresentEndTime;
-        std::optional<nsecs_t> hwcValidateStartTime;
-        std::optional<nsecs_t> hwcValidateEndTime;
-        std::optional<nsecs_t> hwcPresentDelayedTime;
+        std::optional<TimePoint> gpuStartTime;
+        std::optional<TimePoint> lastValidGpuEndTime;
+        std::optional<TimePoint> lastValidGpuStartTime;
+        std::optional<TimePoint> hwcPresentStartTime;
+        std::optional<TimePoint> hwcPresentEndTime;
+        std::optional<TimePoint> hwcValidateStartTime;
+        std::optional<TimePoint> hwcValidateEndTime;
+        std::optional<TimePoint> hwcPresentDelayedTime;
         bool usedClientComposition = false;
         bool skippedValidate = false;
         // Calculate high-level timing milestones from more granular display timing data
-        DisplayTimeline calculateDisplayTimeline(nsecs_t fenceTime);
+        DisplayTimeline calculateDisplayTimeline(TimePoint fenceTime);
         // Estimate the gpu duration for a given display from previous gpu timing data
-        std::optional<GpuTimeline> estimateGpuTiming(std::optional<nsecs_t> previousEnd);
+        std::optional<GpuTimeline> estimateGpuTiming(std::optional<TimePoint> previousEndTime);
     };
 
     template <class T, size_t N>
@@ -240,30 +240,31 @@
     };
 
     // Filter and sort the display ids by a given property
-    std::vector<DisplayId> getOrderedDisplayIds(std::optional<nsecs_t> DisplayTimingData::*sortBy);
+    std::vector<DisplayId> getOrderedDisplayIds(
+            std::optional<TimePoint> DisplayTimingData::*sortBy);
     // Estimates a frame's total work duration including gpu time.
     // Runs either at the beginning or end of a frame, using the most recent data available
-    std::optional<nsecs_t> estimateWorkDuration(bool earlyHint);
+    std::optional<Duration> estimateWorkDuration(bool earlyHint);
     // There are two different targets and actual work durations we care about,
     // this normalizes them together and takes the max of the two
-    nsecs_t combineTimingEstimates(nsecs_t totalDuration, nsecs_t flingerDuration);
+    Duration combineTimingEstimates(Duration totalDuration, Duration flingerDuration);
 
     std::unordered_map<DisplayId, DisplayTimingData> mDisplayTimingData;
 
     // Current frame's delay
-    nsecs_t mFrameDelayDuration = 0;
+    Duration mFrameDelayDuration{0ns};
     // Last frame's post-composition duration
-    nsecs_t mLastPostcompDuration = 0;
+    Duration mLastPostcompDuration{0ns};
     // Buffer of recent commit start times
-    RingBuffer<nsecs_t, 2> mCommitStartTimes;
+    RingBuffer<TimePoint, 2> mCommitStartTimes;
     // Buffer of recent expected present times
-    RingBuffer<nsecs_t, 2> mExpectedPresentTimes;
-    // Most recent present fence time, set at the end of the frame once known
-    nsecs_t mLastPresentFenceTime = -1;
-    // Most recent present fence time, set at the end of the frame once known
-    nsecs_t mLastSfPresentEndTime = -1;
-    // Target for the entire pipeline including gpu
-    std::optional<nsecs_t> mTotalFrameTargetDuration;
+    RingBuffer<TimePoint, 2> mExpectedPresentTimes;
+    // Most recent present fence time, provided by SF after composition engine finishes presenting
+    TimePoint mLastPresentFenceTime;
+    // Most recent composition engine present end time, returned with the present fence from SF
+    TimePoint mLastSfPresentEndTime;
+    // Target duration for the entire pipeline including gpu
+    std::optional<Duration> mTotalFrameTargetDuration;
     // Updated list of display IDs
     std::vector<DisplayId> mDisplayIds;
 
@@ -273,11 +274,11 @@
 
     // An adjustable safety margin which pads the "actual" value sent to PowerHAL,
     // encouraging more aggressive boosting to give SurfaceFlinger a larger margin for error
-    static constexpr const std::chrono::nanoseconds kTargetSafetyMargin = 1ms;
+    static constexpr const Duration kTargetSafetyMargin{1ms};
 
     // How long we expect hwc to run after the present call until it waits for the fence
-    static constexpr const std::chrono::nanoseconds kFenceWaitStartDelayValidated = 150us;
-    static constexpr const std::chrono::nanoseconds kFenceWaitStartDelaySkippedValidate = 250us;
+    static constexpr const Duration kFenceWaitStartDelayValidated{150us};
+    static constexpr const Duration kFenceWaitStartDelaySkippedValidate{250us};
 };
 
 class AidlPowerHalWrapper : public PowerAdvisor::HalWrapper {
@@ -294,21 +295,17 @@
     void restartPowerHintSession() override;
     void setPowerHintSessionThreadIds(const std::vector<int32_t>& threadIds) override;
     bool startPowerHintSession() override;
-    void setTargetWorkDuration(nsecs_t targetDuration) override;
-    void sendActualWorkDuration(nsecs_t actualDuration, nsecs_t timestamp) override;
+    void setTargetWorkDuration(Duration targetDuration) override;
+    void sendActualWorkDuration(Duration actualDuration, TimePoint timestamp) override;
     bool shouldReconnectHAL() override;
     std::vector<int32_t> getPowerHintSessionThreadIds() override;
-    std::optional<nsecs_t> getTargetWorkDuration() override;
+    std::optional<Duration> getTargetWorkDuration() override;
 
 private:
     friend class AidlPowerHalWrapperTest;
 
     bool checkPowerHintSessionSupported();
     void closePowerHintSession();
-    bool shouldReportActualDurations();
-
-    // Used for testing
-    void setAllowedActualDeviation(nsecs_t);
 
     const sp<hardware::power::IPower> mPowerHal = nullptr;
     bool mHasExpensiveRendering = false;
@@ -323,24 +320,15 @@
     // Queue of actual durations saved to report
     std::vector<hardware::power::WorkDuration> mPowerHintQueue;
     // The latest values we have received for target and actual
-    nsecs_t mTargetDuration = kDefaultTarget.count();
-    std::optional<nsecs_t> mActualDuration;
+    Duration mTargetDuration = kDefaultTargetDuration;
+    std::optional<Duration> mActualDuration;
     // The list of thread ids, stored so we can restart the session from this class if needed
     std::vector<int32_t> mPowerHintThreadIds;
     bool mSupportsPowerHint = false;
-    // Keep track of the last messages sent for rate limiter change detection
-    std::optional<nsecs_t> mLastActualDurationSent;
-    // Timestamp of the last report we sent, used to avoid stale sessions
-    nsecs_t mLastActualReportTimestamp = 0;
-    nsecs_t mLastTargetDurationSent = kDefaultTarget.count();
-    // Max amount the error term can vary without causing an actual value report
-    nsecs_t mAllowedActualDeviation = -1;
+    Duration mLastTargetDurationSent = kDefaultTargetDuration;
     // Whether we should emit ATRACE_INT data for hint sessions
     static const bool sTraceHintSessionData;
-    static constexpr const std::chrono::nanoseconds kDefaultTarget = 16ms;
-    // Amount of time after the last message was sent before the session goes stale
-    // actually 100ms but we use 80 here to ideally avoid going stale
-    static constexpr const std::chrono::nanoseconds kStaleTimeout = 80ms;
+    static constexpr Duration kDefaultTargetDuration{16ms};
 };
 
 } // namespace impl
diff --git a/services/surfaceflinger/EffectLayer.cpp b/services/surfaceflinger/EffectLayer.cpp
deleted file mode 100644
index e8c590e..0000000
--- a/services/surfaceflinger/EffectLayer.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-// #define LOG_NDEBUG 0
-#undef LOG_TAG
-#define LOG_TAG "EffectLayer"
-
-#include "EffectLayer.h"
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#include <compositionengine/CompositionEngine.h>
-#include <compositionengine/LayerFECompositionState.h>
-#include <renderengine/RenderEngine.h>
-#include <ui/GraphicBuffer.h>
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include "DisplayDevice.h"
-#include "SurfaceFlinger.h"
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-EffectLayer::EffectLayer(const LayerCreationArgs& args)
-      : Layer(args),
-        mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {}
-
-EffectLayer::~EffectLayer() = default;
-
-std::vector<compositionengine::LayerFE::LayerSettings> EffectLayer::prepareClientCompositionList(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    std::vector<compositionengine::LayerFE::LayerSettings> results;
-    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
-            prepareClientComposition(targetSettings);
-    // Nothing to render.
-    if (!layerSettings) {
-        return {};
-    }
-
-    // set the shadow for the layer if needed
-    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
-
-    // If fill bounds are occluded or the fill color is invalid skip the fill settings.
-    if (targetSettings.realContentIsVisible && fillsColor()) {
-        // Set color for color fill settings.
-        layerSettings->source.solidColor = getColor().rgb;
-        results.push_back(*layerSettings);
-    } else if (hasBlur() || drawShadows()) {
-        layerSettings->skipContentDraw = true;
-        results.push_back(*layerSettings);
-    }
-
-    return results;
-}
-
-bool EffectLayer::isVisible() const {
-    return !isHiddenByPolicy() && (getAlpha() > 0.0_hf || hasBlur()) && hasSomethingToDraw();
-}
-
-bool EffectLayer::setColor(const half3& color) {
-    if (mDrawingState.color.r == color.r && mDrawingState.color.g == color.g &&
-        mDrawingState.color.b == color.b) {
-        return false;
-    }
-
-    mDrawingState.sequence++;
-    mDrawingState.color.r = color.r;
-    mDrawingState.color.g = color.g;
-    mDrawingState.color.b = color.b;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-bool EffectLayer::setDataspace(ui::Dataspace dataspace) {
-    if (mDrawingState.dataspace == dataspace) {
-        return false;
-    }
-
-    mDrawingState.sequence++;
-    mDrawingState.dataspace = dataspace;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
-void EffectLayer::preparePerFrameCompositionState() {
-    Layer::preparePerFrameCompositionState();
-
-    auto* compositionState = editCompositionState();
-    compositionState->color = getColor();
-    compositionState->compositionType =
-            aidl::android::hardware::graphics::composer3::Composition::SOLID_COLOR;
-}
-
-sp<compositionengine::LayerFE> EffectLayer::getCompositionEngineLayerFE() const {
-    // There's no need to get a CE Layer if the EffectLayer isn't going to draw anything. In that
-    // case, it acts more like a ContainerLayer so returning a null CE Layer makes more sense
-    if (hasSomethingToDraw()) {
-        return asLayerFE();
-    } else {
-        return nullptr;
-    }
-}
-
-compositionengine::LayerFECompositionState* EffectLayer::editCompositionState() {
-    return mCompositionState.get();
-}
-
-const compositionengine::LayerFECompositionState* EffectLayer::getCompositionState() const {
-    return mCompositionState.get();
-}
-
-bool EffectLayer::isOpaque(const Layer::State& s) const {
-    // Consider the layer to be opaque if its opaque flag is set or its effective
-    // alpha (considering the alpha of its parents as well) is 1.0;
-    return (s.flags & layer_state_t::eLayerOpaque) != 0 || (fillsColor() && getAlpha() == 1.0_hf);
-}
-
-ui::Dataspace EffectLayer::getDataSpace() const {
-    return mDrawingState.dataspace;
-}
-
-sp<Layer> EffectLayer::createClone() {
-    sp<EffectLayer> layer = mFlinger->getFactory().createEffectLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata()));
-    layer->setInitialValuesForClone(this);
-    return layer;
-}
-
-bool EffectLayer::fillsColor() const {
-    return mDrawingState.color.r >= 0.0_hf && mDrawingState.color.g >= 0.0_hf &&
-            mDrawingState.color.b >= 0.0_hf;
-}
-
-bool EffectLayer::hasBlur() const {
-    return getBackgroundBlurRadius() > 0 || getDrawingState().blurRegions.size() > 0;
-}
-
-} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/EffectLayer.h b/services/surfaceflinger/EffectLayer.h
deleted file mode 100644
index 1dcb633..0000000
--- a/services/surfaceflinger/EffectLayer.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#pragma once
-
-#include <sys/types.h>
-
-#include <cstdint>
-
-#include "Layer.h"
-
-namespace android {
-
-// A layer that can render a combination of the following effects.
-//   * fill the bounds of the layer with a color
-//   * render a shadow cast by the bounds of the layer
-// If no effects are enabled, the layer is considered to be invisible.
-class EffectLayer : public Layer {
-public:
-    explicit EffectLayer(const LayerCreationArgs&);
-    ~EffectLayer() override;
-
-    sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const override;
-    compositionengine::LayerFECompositionState* editCompositionState() override;
-
-    const char* getType() const override { return "EffectLayer"; }
-    bool isVisible() const override;
-
-    bool setColor(const half3& color) override;
-
-    bool setDataspace(ui::Dataspace dataspace) override;
-
-    ui::Dataspace getDataSpace() const override;
-
-    bool isOpaque(const Layer::State& s) const override;
-
-protected:
-    /*
-     * compositionengine::LayerFE overrides
-     */
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    void preparePerFrameCompositionState() override;
-    std::vector<compositionengine::LayerFE::LayerSettings> prepareClientCompositionList(
-            compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) override;
-
-    std::unique_ptr<compositionengine::LayerFECompositionState> mCompositionState;
-
-    sp<Layer> createClone() override;
-
-private:
-    // Returns true if there is a valid color to fill.
-    bool fillsColor() const;
-    // Returns true if this layer has a blur value.
-    bool hasBlur() const;
-    bool hasSomethingToDraw() const { return fillsColor() || drawShadows() || hasBlur(); }
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/FpsReporter.cpp b/services/surfaceflinger/FpsReporter.cpp
index e12835f..155cf4d 100644
--- a/services/surfaceflinger/FpsReporter.cpp
+++ b/services/surfaceflinger/FpsReporter.cpp
@@ -56,14 +56,15 @@
 
     mFlinger.mCurrentState.traverse([&](Layer* layer) {
         auto& currentState = layer->getDrawingState();
-        if (currentState.metadata.has(METADATA_TASK_ID)) {
-            int32_t taskId = currentState.metadata.getInt32(METADATA_TASK_ID, 0);
+        if (currentState.metadata.has(gui::METADATA_TASK_ID)) {
+            int32_t taskId = currentState.metadata.getInt32(gui::METADATA_TASK_ID, 0);
             if (seenTasks.count(taskId) == 0) {
                 // localListeners is expected to be tiny
                 for (TrackedListener& listener : localListeners) {
                     if (listener.taskId == taskId) {
                         seenTasks.insert(taskId);
-                        listenersAndLayersToReport.push_back({listener, sp<Layer>(layer)});
+                        listenersAndLayersToReport.push_back(
+                                {listener, sp<Layer>::fromExisting(layer)});
                         break;
                     }
                 }
@@ -90,7 +91,7 @@
 
 void FpsReporter::addListener(const sp<gui::IFpsListener>& listener, int32_t taskId) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mMutex);
     mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, taskId});
 }
diff --git a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
index 66beff2..c73a75c 100644
--- a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
+++ b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
@@ -109,11 +109,11 @@
         jankType &= ~JankType::DisplayHAL;
     }
     if (jankType & JankType::SurfaceFlingerCpuDeadlineMissed) {
-        janks.emplace_back("SurfaceFlinger CPU Deadline Missed");
+        janks.emplace_back("SurfaceFlinger deadline missed (while in HWC)");
         jankType &= ~JankType::SurfaceFlingerCpuDeadlineMissed;
     }
     if (jankType & JankType::SurfaceFlingerGpuDeadlineMissed) {
-        janks.emplace_back("SurfaceFlinger GPU Deadline Missed");
+        janks.emplace_back("SurfaceFlinger deadline missed (while in GPU comp)");
         jankType &= ~JankType::SurfaceFlingerGpuDeadlineMissed;
     }
     if (jankType & JankType::AppDeadlineMissed) {
@@ -289,7 +289,7 @@
         minTime = std::min(minTime, actuals.endTime);
     }
     if (actuals.presentTime != 0) {
-        minTime = std::min(minTime, actuals.endTime);
+        minTime = std::min(minTime, actuals.presentTime);
     }
     return minTime;
 }
@@ -986,11 +986,8 @@
                                     mJankClassificationThresholds.presentThreshold) {
                     // Classify CPU vs GPU if SF wasn't stuffed or if SF was stuffed but this frame
                     // was presented more than a vsync late.
-                    if (mGpuFence != FenceTime::NO_FENCE &&
-                        mSurfaceFlingerActuals.endTime - mSurfaceFlingerActuals.startTime <
-                                mRefreshRate.getPeriodNsecs()) {
-                        // If SF was in GPU composition and the CPU work finished before the vsync
-                        // period, classify it as GPU deadline missed.
+                    if (mGpuFence != FenceTime::NO_FENCE) {
+                        // If SF was in GPU composition, classify it as GPU deadline missed.
                         mJankType = JankType::SurfaceFlingerGpuDeadlineMissed;
                     } else {
                         mJankType = JankType::SurfaceFlingerCpuDeadlineMissed;
diff --git a/services/surfaceflinger/HdrLayerInfoReporter.cpp b/services/surfaceflinger/HdrLayerInfoReporter.cpp
index c06e300..c88554e 100644
--- a/services/surfaceflinger/HdrLayerInfoReporter.cpp
+++ b/services/surfaceflinger/HdrLayerInfoReporter.cpp
@@ -51,7 +51,7 @@
 
 void HdrLayerInfoReporter::addListener(const sp<gui::IHdrLayerInfoListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mMutex);
     mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, HdrLayerInfo{}});
 }
diff --git a/services/surfaceflinger/HwcSlotGenerator.cpp b/services/surfaceflinger/HwcSlotGenerator.cpp
new file mode 100644
index 0000000..939c35b
--- /dev/null
+++ b/services/surfaceflinger/HwcSlotGenerator.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "HwcSlotGenerator"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <gui/BufferQueue.h>
+
+#include "HwcSlotGenerator.h"
+
+namespace android {
+
+HwcSlotGenerator::HwcSlotGenerator() {
+    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
+        mFreeHwcCacheSlots.push(i);
+    }
+}
+
+void HwcSlotGenerator::bufferErased(const client_cache_t& clientCacheId) {
+    std::lock_guard lock(mMutex);
+    if (!clientCacheId.isValid()) {
+        ALOGE("invalid process, failed to erase buffer");
+        return;
+    }
+    eraseBufferLocked(clientCacheId);
+}
+
+int HwcSlotGenerator::getHwcCacheSlot(const client_cache_t& clientCacheId) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    auto itr = mCachedBuffers.find(clientCacheId);
+    if (itr == mCachedBuffers.end()) {
+        return addCachedBuffer(clientCacheId);
+    }
+    auto& [hwcCacheSlot, counter] = itr->second;
+    counter = mCounter++;
+    return hwcCacheSlot;
+}
+
+int HwcSlotGenerator::addCachedBuffer(const client_cache_t& clientCacheId) REQUIRES(mMutex) {
+    if (!clientCacheId.isValid()) {
+        ALOGE("invalid process, returning invalid slot");
+        return BufferQueue::INVALID_BUFFER_SLOT;
+    }
+
+    ClientCache::getInstance().registerErasedRecipient(clientCacheId,
+                                                       wp<ErasedRecipient>::fromExisting(this));
+
+    int hwcCacheSlot = getFreeHwcCacheSlot();
+    mCachedBuffers[clientCacheId] = {hwcCacheSlot, mCounter++};
+    return hwcCacheSlot;
+}
+
+int HwcSlotGenerator::getFreeHwcCacheSlot() REQUIRES(mMutex) {
+    if (mFreeHwcCacheSlots.empty()) {
+        evictLeastRecentlyUsed();
+    }
+
+    int hwcCacheSlot = mFreeHwcCacheSlots.top();
+    mFreeHwcCacheSlots.pop();
+    return hwcCacheSlot;
+}
+
+void HwcSlotGenerator::evictLeastRecentlyUsed() REQUIRES(mMutex) {
+    uint64_t minCounter = UINT_MAX;
+    client_cache_t minClientCacheId = {};
+    for (const auto& [clientCacheId, slotCounter] : mCachedBuffers) {
+        const auto& [hwcCacheSlot, counter] = slotCounter;
+        if (counter < minCounter) {
+            minCounter = counter;
+            minClientCacheId = clientCacheId;
+        }
+    }
+    eraseBufferLocked(minClientCacheId);
+
+    ClientCache::getInstance().unregisterErasedRecipient(minClientCacheId,
+                                                         wp<ErasedRecipient>::fromExisting(this));
+}
+
+void HwcSlotGenerator::eraseBufferLocked(const client_cache_t& clientCacheId) REQUIRES(mMutex) {
+    auto itr = mCachedBuffers.find(clientCacheId);
+    if (itr == mCachedBuffers.end()) {
+        return;
+    }
+    auto& [hwcCacheSlot, counter] = itr->second;
+
+    // TODO send to hwc cache and resources
+
+    mFreeHwcCacheSlots.push(hwcCacheSlot);
+    mCachedBuffers.erase(clientCacheId);
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/HwcSlotGenerator.h b/services/surfaceflinger/HwcSlotGenerator.h
new file mode 100644
index 0000000..5a1b6d7
--- /dev/null
+++ b/services/surfaceflinger/HwcSlotGenerator.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <mutex>
+#include <stack>
+#include <unordered_map>
+
+#include "ClientCache.h"
+
+namespace android {
+
+class HwcSlotGenerator : public ClientCache::ErasedRecipient {
+public:
+    HwcSlotGenerator();
+    void bufferErased(const client_cache_t& clientCacheId);
+    int getHwcCacheSlot(const client_cache_t& clientCacheId);
+
+private:
+    friend class SlotGenerationTest;
+    int addCachedBuffer(const client_cache_t& clientCacheId) REQUIRES(mMutex);
+    int getFreeHwcCacheSlot() REQUIRES(mMutex);
+    void evictLeastRecentlyUsed() REQUIRES(mMutex);
+    void eraseBufferLocked(const client_cache_t& clientCacheId) REQUIRES(mMutex);
+
+    struct CachedBufferHash {
+        std::size_t operator()(const client_cache_t& clientCacheId) const {
+            return std::hash<uint64_t>{}(clientCacheId.id);
+        }
+    };
+
+    std::mutex mMutex;
+
+    std::unordered_map<client_cache_t, std::pair<int /*HwcCacheSlot*/, uint64_t /*counter*/>,
+                       CachedBufferHash>
+            mCachedBuffers GUARDED_BY(mMutex);
+    std::stack<int /*HwcCacheSlot*/> mFreeHwcCacheSlots GUARDED_BY(mMutex);
+
+    // The cache increments this counter value when a slot is updated or used.
+    // Used to track the least recently-used buffer
+    uint64_t mCounter = 0;
+};
+} // namespace android
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 0c4b012..410e438 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -29,6 +29,7 @@
 #include <android-base/stringprintf.h>
 #include <android/native_window.h>
 #include <binder/IPCThreadState.h>
+#include <compositionengine/CompositionEngine.h>
 #include <compositionengine/Display.h>
 #include <compositionengine/LayerFECompositionState.h>
 #include <compositionengine/OutputLayer.h>
@@ -39,8 +40,10 @@
 #include <ftl/enum.h>
 #include <ftl/fake_guard.h>
 #include <gui/BufferItem.h>
+#include <gui/GLConsumer.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
+#include <gui/TraceUtils.h>
 #include <math.h>
 #include <private/android_filesystem_config.h>
 #include <renderengine/RenderEngine.h>
@@ -62,31 +65,89 @@
 #include <mutex>
 #include <sstream>
 
-#include "BufferLayer.h"
-#include "Colorizer.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWComposer.h"
-#include "EffectLayer.h"
 #include "FrameTimeline.h"
 #include "FrameTracer/FrameTracer.h"
 #include "LayerProtoHelper.h"
-#include "LayerRejecter.h"
-#include "MonitoredProducer.h"
 #include "SurfaceFlinger.h"
 #include "TimeStats/TimeStats.h"
 #include "TunnelModeEnabledReporter.h"
 
 #define DEBUG_RESIZE 0
+#define EARLY_RELEASE_ENABLED false
 
 namespace android {
 namespace {
 constexpr int kDumpTableRowLength = 159;
+
+static constexpr float defaultMaxLuminance = 1000.0;
+
 const ui::Transform kIdentityTransform;
+
+constexpr mat4 inverseOrientation(uint32_t transform) {
+    const mat4 flipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
+    const mat4 flipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
+    const mat4 rot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
+    mat4 tr;
+
+    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
+        tr = tr * rot90;
+    }
+    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
+        tr = tr * flipH;
+    }
+    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
+        tr = tr * flipV;
+    }
+    return inverse(tr);
+}
+
+bool assignTransform(ui::Transform* dst, ui::Transform& from) {
+    if (*dst == from) {
+        return false;
+    }
+    *dst = from;
+    return true;
+}
+
+TimeStats::SetFrameRateVote frameRateToSetFrameRateVotePayload(Layer::FrameRate frameRate) {
+    using FrameRateCompatibility = TimeStats::SetFrameRateVote::FrameRateCompatibility;
+    using Seamlessness = TimeStats::SetFrameRateVote::Seamlessness;
+    const auto frameRateCompatibility = [frameRate] {
+        switch (frameRate.type) {
+            case Layer::FrameRateCompatibility::Default:
+                return FrameRateCompatibility::Default;
+            case Layer::FrameRateCompatibility::ExactOrMultiple:
+                return FrameRateCompatibility::ExactOrMultiple;
+            default:
+                return FrameRateCompatibility::Undefined;
+        }
+    }();
+
+    const auto seamlessness = [frameRate] {
+        switch (frameRate.seamlessness) {
+            case scheduler::Seamlessness::OnlySeamless:
+                return Seamlessness::ShouldBeSeamless;
+            case scheduler::Seamlessness::SeamedAndSeamless:
+                return Seamlessness::NotRequired;
+            default:
+                return Seamlessness::Undefined;
+        }
+    }();
+
+    return TimeStats::SetFrameRateVote{.frameRate = frameRate.rate.getValue(),
+                                       .frameRateCompatibility = frameRateCompatibility,
+                                       .seamlessness = seamlessness};
+}
+
 } // namespace
 
 using namespace ftl::flag_operators;
 
 using base::StringAppendF;
+using gui::GameMode;
+using gui::LayerMetadata;
 using gui::WindowInfo;
 
 using PresentState = frametimeline::SurfaceFrame::PresentState;
@@ -95,11 +156,17 @@
 
 Layer::Layer(const LayerCreationArgs& args)
       : sequence(args.sequence.value_or(sSequence++)),
-        mFlinger(args.flinger),
+        mFlinger(sp<SurfaceFlinger>::fromExisting(args.flinger)),
         mName(base::StringPrintf("%s#%d", args.name.c_str(), sequence)),
         mClientRef(args.client),
-        mWindowType(static_cast<WindowInfo::Type>(args.metadata.getInt32(METADATA_WINDOW_TYPE, 0))),
-        mLayerCreationFlags(args.flags) {
+        mWindowType(static_cast<WindowInfo::Type>(
+                args.metadata.getInt32(gui::METADATA_WINDOW_TYPE, 0))),
+        mLayerCreationFlags(args.flags),
+        mBorderEnabled(false),
+        mTextureName(args.textureName),
+        mHwcSlotGenerator(sp<HwcSlotGenerator>::make()) {
+    ALOGV("Creating Layer %s", getDebugName());
+
     uint32_t layerFlags = 0;
     if (args.flags & ISurfaceComposerClient::eHidden) layerFlags |= layer_state_t::eLayerHidden;
     if (args.flags & ISurfaceComposerClient::eOpaque) layerFlags |= layer_state_t::eLayerOpaque;
@@ -110,16 +177,11 @@
         sSequence = *args.sequence + 1;
     }
     mDrawingState.flags = layerFlags;
-    mDrawingState.active_legacy.transform.set(0, 0);
     mDrawingState.crop.makeInvalid();
-    mDrawingState.requestedCrop = mDrawingState.crop;
     mDrawingState.z = 0;
     mDrawingState.color.a = 1.0f;
     mDrawingState.layerStack = ui::DEFAULT_LAYER_STACK;
     mDrawingState.sequence = 0;
-    mDrawingState.requested_legacy = mDrawingState.active_legacy;
-    mDrawingState.width = UINT32_MAX;
-    mDrawingState.height = UINT32_MAX;
     mDrawingState.transform.set(0, 0);
     mDrawingState.frameNumber = 0;
     mDrawingState.bufferTransform = 0;
@@ -128,6 +190,7 @@
     mDrawingState.acquireFence = sp<Fence>::make(-1);
     mDrawingState.acquireFenceTime = std::make_shared<FenceTime>(mDrawingState.acquireFence);
     mDrawingState.dataspace = ui::Dataspace::UNKNOWN;
+    mDrawingState.dataspaceRequested = false;
     mDrawingState.hdrMetadata.validTypes = 0;
     mDrawingState.surfaceDamageRegion = Region::INVALID_REGION;
     mDrawingState.cornerRadius = 0.0f;
@@ -145,6 +208,7 @@
     mDrawingState.isTrustedOverlay = false;
     mDrawingState.dropInputMode = gui::DropInputMode::NONE;
     mDrawingState.dimmingEnabled = true;
+    mDrawingState.defaultFrameRateCompatibility = FrameRateCompatibility::Default;
 
     if (args.flags & ISurfaceComposerClient::eNoColorFill) {
         // Set an invalid color so there is no color fill.
@@ -152,22 +216,33 @@
         mDrawingState.color.g = -1.0_hf;
         mDrawingState.color.b = -1.0_hf;
     }
-    CompositorTiming compositorTiming;
-    args.flinger->getCompositorTiming(&compositorTiming);
-    mFrameTracker.setDisplayRefreshPeriod(compositorTiming.interval);
+
+    mFrameTracker.setDisplayRefreshPeriod(
+            args.flinger->mScheduler->getVsyncPeriodFromRefreshRateConfigs());
 
     mCallingPid = args.callingPid;
     mCallingUid = args.callingUid;
 
     if (mCallingUid == AID_GRAPHICS || mCallingUid == AID_SYSTEM) {
         // If the system didn't send an ownerUid, use the callingUid for the ownerUid.
-        mOwnerUid = args.metadata.getInt32(METADATA_OWNER_UID, mCallingUid);
-        mOwnerPid = args.metadata.getInt32(METADATA_OWNER_PID, mCallingPid);
+        mOwnerUid = args.metadata.getInt32(gui::METADATA_OWNER_UID, mCallingUid);
+        mOwnerPid = args.metadata.getInt32(gui::METADATA_OWNER_PID, mCallingPid);
     } else {
         // A create layer request from a non system request cannot specify the owner uid
         mOwnerUid = mCallingUid;
         mOwnerPid = mCallingPid;
     }
+
+    mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
+    mPotentialCursor = args.flags & ISurfaceComposerClient::eCursorWindow;
+    mProtectedByApp = args.flags & ISurfaceComposerClient::eProtectedByApp;
+    mDrawingState.dataspace = ui::Dataspace::V0_SRGB;
+
+    mSnapshot->sequence = sequence;
+    mSnapshot->name = getDebugName();
+    mSnapshot->textureName = mTextureName;
+    mSnapshot->premultipliedAlpha = mPremultipliedAlpha;
+    mSnapshot->transform = {};
 }
 
 void Layer::onFirstRef() {
@@ -175,6 +250,28 @@
 }
 
 Layer::~Layer() {
+    // The original layer and the clone layer share the same texture and buffer. Therefore, only
+    // one of the layers, in this case the original layer, needs to handle the deletion. The
+    // original layer and the clone should be removed at the same time so there shouldn't be any
+    // issue with the clone layer trying to use the texture.
+    if (mBufferInfo.mBuffer != nullptr) {
+        callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                  mBufferInfo.mBuffer->getBuffer(), mBufferInfo.mFrameNumber,
+                                  mBufferInfo.mFence,
+                                  mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                          mOwnerUid));
+    }
+    if (!isClone()) {
+        // The original layer and the clone layer share the same texture. Therefore, only one of
+        // the layers, in this case the original layer, needs to handle the deletion. The original
+        // layer and the clone should be removed at the same time so there shouldn't be any issue
+        // with the clone layer trying to use the deleted texture.
+        mFlinger->deleteTextureAsync(mTextureName);
+    }
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->onDestroy(layerId);
+    mFlinger->mFrameTracer->onDestroy(layerId);
+
     sp<Client> c(mClientRef.promote());
     if (c != 0) {
         c->detachLayer(this);
@@ -207,13 +304,6 @@
 // callbacks
 // ---------------------------------------------------------------------------
 
-/*
- * onLayerDisplayed is only meaningful for BufferLayer, but, is called through
- * Layer.  So, the implementation is done in BufferLayer.  When called on a
- * EffectLayer object, it's essentially a NOP.
- */
-void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult>) {}
-
 void Layer::removeRelativeZ(const std::vector<Layer*>& layersInTree) {
     if (mDrawingState.zOrderRelativeOf == nullptr) {
         return;
@@ -226,7 +316,7 @@
     }
 
     if (!std::binary_search(layersInTree.begin(), layersInTree.end(), strongRelative.get())) {
-        strongRelative->removeZOrderRelative(this);
+        strongRelative->removeZOrderRelative(wp<Layer>::fromExisting(this));
         mFlinger->setTransactionFlags(eTraversalNeeded);
         setZOrderRelativeOf(nullptr);
     }
@@ -238,13 +328,13 @@
         mFlinger->mScheduler->deregisterLayer(this);
     }
 
-    mFlinger->markLayerPendingRemovalLocked(this);
+    mFlinger->markLayerPendingRemovalLocked(sp<Layer>::fromExisting(this));
 }
 
 sp<Layer> Layer::getRootLayer() {
     sp<Layer> parent = getParent();
     if (parent == nullptr) {
-        return this;
+        return sp<Layer>::fromExisting(this);
     }
     return parent->getRootLayer();
 }
@@ -287,7 +377,7 @@
         return nullptr;
     }
     mGetHandleCalled = true;
-    return new Handle(mFlinger, this);
+    return sp<Handle>::make(mFlinger, sp<Layer>::fromExisting(this));
 }
 
 // ---------------------------------------------------------------------------
@@ -379,6 +469,10 @@
     for (const sp<Layer>& child : mDrawingChildren) {
         child->computeBounds(mBounds, mEffectiveTransform, childShadowRadius);
     }
+
+    if (mPotentialCursor) {
+        prepareCursorCompositionState();
+    }
 }
 
 Rect Layer::getCroppedBufferSize(const State& s) const {
@@ -406,7 +500,7 @@
     const auto& drawingState{getDrawingState()};
     const auto alpha = static_cast<float>(getAlpha());
     const bool opaque = isOpaque(drawingState);
-    const bool usesRoundedCorners = getRoundedCornerState().radius != 0.f;
+    const bool usesRoundedCorners = hasRoundedCorners();
 
     auto blendMode = Hwc2::IComposerClient::BlendMode::NONE;
     if (!opaque || alpha != 1.0f) {
@@ -414,40 +508,40 @@
                                         : Hwc2::IComposerClient::BlendMode::COVERAGE;
     }
 
-    auto* compositionState = editCompositionState();
-    compositionState->outputFilter = getOutputFilter();
-    compositionState->isVisible = isVisible();
-    compositionState->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
-    compositionState->shadowRadius = mEffectiveShadowRadius;
+    auto* snapshot = editLayerSnapshot();
+    snapshot->outputFilter = getOutputFilter();
+    snapshot->isVisible = isVisible();
+    snapshot->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
+    snapshot->shadowRadius = mEffectiveShadowRadius;
 
-    compositionState->contentDirty = contentDirty;
+    snapshot->contentDirty = contentDirty;
     contentDirty = false;
 
-    compositionState->geomLayerBounds = mBounds;
-    compositionState->geomLayerTransform = getTransform();
-    compositionState->geomInverseLayerTransform = compositionState->geomLayerTransform.inverse();
-    compositionState->transparentRegionHint = getActiveTransparentRegion(drawingState);
+    snapshot->geomLayerBounds = mBounds;
+    snapshot->geomLayerTransform = getTransform();
+    snapshot->geomInverseLayerTransform = snapshot->geomLayerTransform.inverse();
+    snapshot->transparentRegionHint = getActiveTransparentRegion(drawingState);
 
-    compositionState->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
-    compositionState->alpha = alpha;
-    compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
-    compositionState->blurRegions = drawingState.blurRegions;
-    compositionState->stretchEffect = getStretchEffect();
+    snapshot->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
+    snapshot->alpha = alpha;
+    snapshot->backgroundBlurRadius = drawingState.backgroundBlurRadius;
+    snapshot->blurRegions = drawingState.blurRegions;
+    snapshot->stretchEffect = getStretchEffect();
 }
 
 void Layer::prepareGeometryCompositionState() {
     const auto& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
-    compositionState->geomBufferSize = getBufferSize(drawingState);
-    compositionState->geomContentCrop = getBufferCrop();
-    compositionState->geomCrop = getCrop(drawingState);
-    compositionState->geomBufferTransform = getBufferTransform();
-    compositionState->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
-    compositionState->geomUsesSourceCrop = usesSourceCrop();
-    compositionState->isSecure = isSecure();
+    snapshot->geomBufferSize = getBufferSize(drawingState);
+    snapshot->geomContentCrop = getBufferCrop();
+    snapshot->geomCrop = getCrop(drawingState);
+    snapshot->geomBufferTransform = getBufferTransform();
+    snapshot->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
+    snapshot->geomUsesSourceCrop = usesSourceCrop();
+    snapshot->isSecure = isSecure();
 
-    compositionState->metadata.clear();
+    snapshot->metadata.clear();
     const auto& supportedMetadata = mFlinger->getHwComposer().getSupportedLayerGenericMetadata();
     for (const auto& [key, mandatory] : supportedMetadata) {
         const auto& genericLayerMetadataCompatibilityMap =
@@ -463,50 +557,90 @@
             continue;
         }
 
-        compositionState->metadata
-                .emplace(key, compositionengine::GenericLayerMetadataEntry{mandatory, it->second});
+        snapshot->metadata.emplace(key,
+                                   compositionengine::GenericLayerMetadataEntry{mandatory,
+                                                                                it->second});
     }
 }
 
 void Layer::preparePerFrameCompositionState() {
     const auto& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
-    compositionState->forceClientComposition = false;
+    snapshot->forceClientComposition = false;
 
-    compositionState->isColorspaceAgnostic = isColorSpaceAgnostic();
-    compositionState->dataspace = getDataSpace();
-    compositionState->colorTransform = getColorTransform();
-    compositionState->colorTransformIsIdentity = !hasColorTransform();
-    compositionState->surfaceDamage = surfaceDamageRegion;
-    compositionState->hasProtectedContent = isProtected();
-    compositionState->dimmingEnabled = isDimmingEnabled();
+    snapshot->isColorspaceAgnostic = isColorSpaceAgnostic();
+    snapshot->dataspace = getDataSpace();
+    snapshot->colorTransform = getColorTransform();
+    snapshot->colorTransformIsIdentity = !hasColorTransform();
+    snapshot->surfaceDamage = surfaceDamageRegion;
+    snapshot->hasProtectedContent = isProtected();
+    snapshot->dimmingEnabled = isDimmingEnabled();
 
-    const bool usesRoundedCorners = getRoundedCornerState().radius != 0.f;
+    const bool usesRoundedCorners = hasRoundedCorners();
 
-    compositionState->isOpaque =
-            isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
+    snapshot->isOpaque = isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
 
     // Force client composition for special cases known only to the front-end.
     // Rounded corners no longer force client composition, since we may use a
     // hole punch so that the layer will appear to have rounded corners.
     if (isHdrY410() || drawShadows() || drawingState.blurRegions.size() > 0 ||
-        compositionState->stretchEffect.hasEffect()) {
-        compositionState->forceClientComposition = true;
+        snapshot->stretchEffect.hasEffect()) {
+        snapshot->forceClientComposition = true;
     }
     // If there are no visible region changes, we still need to update blur parameters.
-    compositionState->blurRegions = drawingState.blurRegions;
-    compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
+    snapshot->blurRegions = drawingState.blurRegions;
+    snapshot->backgroundBlurRadius = drawingState.backgroundBlurRadius;
 
     // Layer framerate is used in caching decisions.
     // Retrieve it from the scheduler which maintains an instance of LayerHistory, and store it in
     // LayerFECompositionState where it would be visible to Flattener.
-    compositionState->fps = mFlinger->getLayerFramerate(systemTime(), getSequence());
+    snapshot->fps = mFlinger->getLayerFramerate(systemTime(), getSequence());
+
+    if (hasBufferOrSidebandStream()) {
+        preparePerFrameBufferCompositionState();
+    } else {
+        preparePerFrameEffectsCompositionState();
+    }
+}
+
+void Layer::preparePerFrameBufferCompositionState() {
+    // Sideband layers
+    auto* snapshot = editLayerSnapshot();
+    if (snapshot->sidebandStream.get() && !snapshot->sidebandStreamHasFrame) {
+        snapshot->compositionType =
+                aidl::android::hardware::graphics::composer3::Composition::SIDEBAND;
+        return;
+    } else if ((mDrawingState.flags & layer_state_t::eLayerIsDisplayDecoration) != 0) {
+        snapshot->compositionType =
+                aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION;
+    } else {
+        // Normal buffer layers
+        snapshot->hdrMetadata = mBufferInfo.mHdrMetadata;
+        snapshot->compositionType = mPotentialCursor
+                ? aidl::android::hardware::graphics::composer3::Composition::CURSOR
+                : aidl::android::hardware::graphics::composer3::Composition::DEVICE;
+    }
+
+    snapshot->buffer = getBuffer();
+    snapshot->bufferSlot = (mBufferInfo.mBufferSlot == BufferQueue::INVALID_BUFFER_SLOT)
+            ? 0
+            : mBufferInfo.mBufferSlot;
+    snapshot->acquireFence = mBufferInfo.mFence;
+    snapshot->frameNumber = mBufferInfo.mFrameNumber;
+    snapshot->sidebandStreamHasFrame = false;
+}
+
+void Layer::preparePerFrameEffectsCompositionState() {
+    auto* snapshot = editLayerSnapshot();
+    snapshot->color = getColor();
+    snapshot->compositionType =
+            aidl::android::hardware::graphics::composer3::Composition::SOLID_COLOR;
 }
 
 void Layer::prepareCursorCompositionState() {
     const State& drawingState{getDrawingState()};
-    auto* compositionState = editCompositionState();
+    auto* snapshot = editLayerSnapshot();
 
     // Apply the layer's transform, followed by the display's global transform
     // Here we're guaranteed that the layer's transform preserves rects
@@ -515,52 +649,13 @@
     Rect bounds = reduce(win, getActiveTransparentRegion(drawingState));
     Rect frame(getTransform().transform(bounds));
 
-    compositionState->cursorFrame = frame;
+    snapshot->cursorFrame = frame;
 }
 
 sp<compositionengine::LayerFE> Layer::asLayerFE() const {
-    return const_cast<compositionengine::LayerFE*>(
+    compositionengine::LayerFE* layerFE = const_cast<compositionengine::LayerFE*>(
             static_cast<const compositionengine::LayerFE*>(this));
-}
-
-sp<compositionengine::LayerFE> Layer::getCompositionEngineLayerFE() const {
-    return nullptr;
-}
-
-compositionengine::LayerFECompositionState* Layer::editCompositionState() {
-    return nullptr;
-}
-
-const compositionengine::LayerFECompositionState* Layer::getCompositionState() const {
-    return nullptr;
-}
-
-bool Layer::onPreComposition(nsecs_t) {
-    return false;
-}
-
-void Layer::prepareCompositionState(compositionengine::LayerFE::StateSubset subset) {
-    using StateSubset = compositionengine::LayerFE::StateSubset;
-
-    switch (subset) {
-        case StateSubset::BasicGeometry:
-            prepareBasicGeometryCompositionState();
-            break;
-
-        case StateSubset::GeometryAndContent:
-            prepareBasicGeometryCompositionState();
-            prepareGeometryCompositionState();
-            preparePerFrameCompositionState();
-            break;
-
-        case StateSubset::Content:
-            preparePerFrameCompositionState();
-            break;
-
-        case StateSubset::Cursor:
-            prepareCursorCompositionState();
-            break;
-    }
+    return sp<compositionengine::LayerFE>::fromExisting(layerFE);
 }
 
 const char* Layer::getDebugName() const {
@@ -572,32 +667,54 @@
 // ---------------------------------------------------------------------------
 
 std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientComposition(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    if (!getCompositionState()) {
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
+            prepareClientCompositionInternal(targetSettings);
+    // Nothing to render.
+    if (!layerSettings) {
         return {};
     }
 
-    FloatRect bounds = getBounds();
-    half alpha = getAlpha();
+    // HWC requests to clear this layer.
+    if (targetSettings.clearContent) {
+        prepareClearClientComposition(*layerSettings, false /* blackout */);
+        return layerSettings;
+    }
+
+    // set the shadow for the layer if needed
+    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
+
+    return layerSettings;
+}
+
+std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCompositionInternal(
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    ATRACE_CALL();
+
+    const auto* snapshot = getLayerSnapshot();
+    if (!snapshot) {
+        return {};
+    }
 
     compositionengine::LayerFE::LayerSettings layerSettings;
-    layerSettings.geometry.boundaries = bounds;
-    layerSettings.geometry.positionTransform = getTransform().asMatrix4();
+    layerSettings.geometry.boundaries =
+            reduce(snapshot->geomLayerBounds, snapshot->transparentRegionHint);
+    layerSettings.geometry.positionTransform = snapshot->geomLayerTransform.asMatrix4();
 
     // skip drawing content if the targetSettings indicate the content will be occluded
     const bool drawContent = targetSettings.realContentIsVisible || targetSettings.clearContent;
     layerSettings.skipContentDraw = !drawContent;
 
     if (hasColorTransform()) {
-        layerSettings.colorTransform = getColorTransform();
+        layerSettings.colorTransform = snapshot->colorTransform;
     }
 
-    const auto roundedCornerState = getRoundedCornerState();
+    const auto& roundedCornerState = snapshot->roundedCorner;
     layerSettings.geometry.roundedCornersRadius = roundedCornerState.radius;
     layerSettings.geometry.roundedCornersCrop = roundedCornerState.cropRect;
 
-    layerSettings.alpha = alpha;
-    layerSettings.sourceDataspace = getDataSpace();
+    layerSettings.alpha = snapshot->alpha;
+    layerSettings.sourceDataspace = snapshot->dataspace;
 
     // Override the dataspace transfer from 170M to sRGB if the device configuration requests this.
     // We do this here instead of in buffer info so that dumpsys can still report layers that are
@@ -614,26 +731,31 @@
     layerSettings.whitePointNits = targetSettings.whitePointNits;
     switch (targetSettings.blurSetting) {
         case LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled:
-            layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
-            layerSettings.blurRegions = getBlurRegions();
-            layerSettings.blurRegionTransform =
-                    getActiveTransform(getDrawingState()).inverse().asMatrix4();
+            layerSettings.backgroundBlurRadius = snapshot->backgroundBlurRadius;
+            layerSettings.blurRegions = snapshot->blurRegions;
+            layerSettings.blurRegionTransform = snapshot->geomInverseLayerTransform.asMatrix4();
             break;
         case LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly:
-            layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
+            layerSettings.backgroundBlurRadius = snapshot->backgroundBlurRadius;
             break;
         case LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly:
-            layerSettings.blurRegions = getBlurRegions();
-            layerSettings.blurRegionTransform =
-                    getActiveTransform(getDrawingState()).inverse().asMatrix4();
+            layerSettings.blurRegions = snapshot->blurRegions;
+            layerSettings.blurRegionTransform = snapshot->geomInverseLayerTransform.asMatrix4();
             break;
         case LayerFE::ClientCompositionTargetSettings::BlurSetting::Disabled:
         default:
             break;
     }
-    layerSettings.stretchEffect = getStretchEffect();
+    layerSettings.stretchEffect = snapshot->stretchEffect;
     // Record the name of the layer for debugging further down the stack.
-    layerSettings.name = getName();
+    layerSettings.name = snapshot->name;
+
+    if (hasEffect() && !hasBufferOrSidebandStream()) {
+        prepareEffectsClientComposition(layerSettings, targetSettings);
+        return layerSettings;
+    }
+
+    prepareBufferStateClientComposition(layerSettings, targetSettings);
     return layerSettings;
 }
 
@@ -647,31 +769,132 @@
 
     // If layer is blacked out, force alpha to 1 so that we draw a black color layer.
     layerSettings.alpha = blackout ? 1.0f : 0.0f;
-    layerSettings.name = getName();
+    layerSettings.name = getLayerSnapshot()->name;
 }
 
-// TODO(b/188891810): This method now only ever returns 0 or 1 layers so we should return
-// std::optional instead of a vector.  Additionally, we should consider removing
-// this method entirely in favor of calling prepareClientComposition directly.
-std::vector<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCompositionList(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
-            prepareClientComposition(targetSettings);
-    // Nothing to render.
-    if (!layerSettings) {
-        return {};
+void Layer::prepareEffectsClientComposition(
+        compositionengine::LayerFE::LayerSettings& layerSettings,
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    // If fill bounds are occluded or the fill color is invalid skip the fill settings.
+    if (targetSettings.realContentIsVisible && fillsColor()) {
+        // Set color for color fill settings.
+        layerSettings.source.solidColor = getColor().rgb;
+    } else if (hasBlur() || drawShadows()) {
+        layerSettings.skipContentDraw = true;
+    }
+}
+
+void Layer::prepareBufferStateClientComposition(
+        compositionengine::LayerFE::LayerSettings& layerSettings,
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
+    ATRACE_CALL();
+    const auto* snapshot = getLayerSnapshot();
+    if (CC_UNLIKELY(!snapshot->externalTexture)) {
+        // If there is no buffer for the layer or we have sidebandstream where there is no
+        // activeBuffer, then we need to return LayerSettings.
+        return;
+    }
+    const bool blackOutLayer =
+            (snapshot->hasProtectedContent && !targetSettings.supportsProtectedContent) ||
+            ((snapshot->isSecure || snapshot->hasProtectedContent) && !targetSettings.isSecure);
+    const bool bufferCanBeUsedAsHwTexture =
+            snapshot->externalTexture->getUsage() & GraphicBuffer::USAGE_HW_TEXTURE;
+    if (blackOutLayer || !bufferCanBeUsedAsHwTexture) {
+        ALOGE_IF(!bufferCanBeUsedAsHwTexture, "%s is blacked out as buffer is not gpu readable",
+                 snapshot->name.c_str());
+        prepareClearClientComposition(layerSettings, true /* blackout */);
+        return;
     }
 
-    // HWC requests to clear this layer.
-    if (targetSettings.clearContent) {
-        prepareClearClientComposition(*layerSettings, false /* blackout */);
-        return {*layerSettings};
+    layerSettings.source.buffer.buffer = snapshot->externalTexture;
+    layerSettings.source.buffer.isOpaque = snapshot->contentOpaque;
+    layerSettings.source.buffer.fence = snapshot->acquireFence;
+    layerSettings.source.buffer.textureName = snapshot->textureName;
+    layerSettings.source.buffer.usePremultipliedAlpha = snapshot->premultipliedAlpha;
+    layerSettings.source.buffer.isY410BT2020 = snapshot->isHdrY410;
+    bool hasSmpte2086 = snapshot->hdrMetadata.validTypes & HdrMetadata::SMPTE2086;
+    bool hasCta861_3 = snapshot->hdrMetadata.validTypes & HdrMetadata::CTA861_3;
+    float maxLuminance = 0.f;
+    if (hasSmpte2086 && hasCta861_3) {
+        maxLuminance = std::min(snapshot->hdrMetadata.smpte2086.maxLuminance,
+                                snapshot->hdrMetadata.cta8613.maxContentLightLevel);
+    } else if (hasSmpte2086) {
+        maxLuminance = snapshot->hdrMetadata.smpte2086.maxLuminance;
+    } else if (hasCta861_3) {
+        maxLuminance = snapshot->hdrMetadata.cta8613.maxContentLightLevel;
+    } else {
+        switch (layerSettings.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) {
+            case HAL_DATASPACE_TRANSFER_ST2084:
+            case HAL_DATASPACE_TRANSFER_HLG:
+                // Behavior-match previous releases for HDR content
+                maxLuminance = defaultMaxLuminance;
+                break;
+        }
+    }
+    layerSettings.source.buffer.maxLuminanceNits = maxLuminance;
+    layerSettings.frameNumber = snapshot->frameNumber;
+    layerSettings.bufferId = snapshot->externalTexture->getId();
+
+    const bool useFiltering = targetSettings.needsFiltering ||
+            snapshot->geomLayerTransform.needsBilinearFiltering() || snapshot->bufferNeedsFiltering;
+
+    // Query the texture matrix given our current filtering mode.
+    float textureMatrix[16];
+    getDrawingTransformMatrix(useFiltering, textureMatrix);
+
+    if (snapshot->geomBufferUsesDisplayInverseTransform) {
+        /*
+         * the code below applies the primary display's inverse transform to
+         * the texture transform
+         */
+        uint32_t transform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        mat4 tr = inverseOrientation(transform);
+
+        /**
+         * TODO(b/36727915): This is basically a hack.
+         *
+         * Ensure that regardless of the parent transformation,
+         * this buffer is always transformed from native display
+         * orientation to display orientation. For example, in the case
+         * of a camera where the buffer remains in native orientation,
+         * we want the pixels to always be upright.
+         */
+        const auto parentTransform = snapshot->transform;
+        tr = tr * inverseOrientation(parentTransform.getOrientation());
+
+        // and finally apply it to the original texture matrix
+        const mat4 texTransform(mat4(static_cast<const float*>(textureMatrix)) * tr);
+        memcpy(textureMatrix, texTransform.asArray(), sizeof(textureMatrix));
     }
 
-    // set the shadow for the layer if needed
-    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
+    const Rect win{layerSettings.geometry.boundaries};
+    float bufferWidth = snapshot->bufferSize.getWidth();
+    float bufferHeight = snapshot->bufferSize.getHeight();
 
-    return {*layerSettings};
+    // Layers can have a "buffer size" of [0, 0, -1, -1] when no display frame has
+    // been set and there is no parent layer bounds. In that case, the scale is meaningless so
+    // ignore them.
+    if (!snapshot->bufferSize.isValid()) {
+        bufferWidth = float(win.right) - float(win.left);
+        bufferHeight = float(win.bottom) - float(win.top);
+    }
+
+    const float scaleHeight = (float(win.bottom) - float(win.top)) / bufferHeight;
+    const float scaleWidth = (float(win.right) - float(win.left)) / bufferWidth;
+    const float translateY = float(win.top) / bufferHeight;
+    const float translateX = float(win.left) / bufferWidth;
+
+    // Flip y-coordinates because GLConsumer expects OpenGL convention.
+    mat4 tr = mat4::translate(vec4(.5f, .5f, 0.f, 1.f)) * mat4::scale(vec4(1.f, -1.f, 1.f, 1.f)) *
+            mat4::translate(vec4(-.5f, -.5f, 0.f, 1.f)) *
+            mat4::translate(vec4(translateX, translateY, 0.f, 1.f)) *
+            mat4::scale(vec4(scaleWidth, scaleHeight, 1.0f, 1.0f));
+
+    layerSettings.source.buffer.useTextureFiltering = useFiltering;
+    layerSettings.source.buffer.textureTransform =
+            mat4(static_cast<const float*>(textureMatrix)) * tr;
+
+    return;
 }
 
 aidl::android::hardware::graphics::composer3::Composition Layer::getCompositionType(
@@ -721,7 +944,7 @@
 
     if (s.sequence != mLastCommittedTxSequence) {
         // invalidate and recompute the visible regions if needed
-         mLastCommittedTxSequence = s.sequence;
+        mLastCommittedTxSequence = s.sequence;
         flags |= eVisibleRegion;
         this->contentDirty = true;
 
@@ -729,6 +952,10 @@
         mNeedsFiltering = getActiveTransform(s).needsBilinearFiltering();
     }
 
+    if (!mPotentialCursor && (flags & Layer::eVisibleRegion)) {
+        mFlinger->mUpdateInputInfo = true;
+    }
+
     commitTransaction(mDrawingState);
 
     return flags;
@@ -758,16 +985,6 @@
     mTransactionFlags |= mask;
 }
 
-bool Layer::setPosition(float x, float y) {
-    if (mDrawingState.transform.tx() == x && mDrawingState.transform.ty() == y) return false;
-    mDrawingState.sequence++;
-    mDrawingState.transform.set(x, y);
-
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
-
 bool Layer::setChildLayer(const sp<Layer>& childLayer, int32_t z) {
     ssize_t idx = mCurrentChildren.indexOf(childLayer);
     if (idx < 0) {
@@ -807,7 +1024,7 @@
     if (mDrawingState.zOrderRelativeOf != nullptr) {
         sp<Layer> strongRelative = mDrawingState.zOrderRelativeOf.promote();
         if (strongRelative != nullptr) {
-            strongRelative->removeZOrderRelative(this);
+            strongRelative->removeZOrderRelative(wp<Layer>::fromExisting(this));
         }
         setZOrderRelativeOf(nullptr);
     }
@@ -865,10 +1082,10 @@
 
     auto oldZOrderRelativeOf = mDrawingState.zOrderRelativeOf.promote();
     if (oldZOrderRelativeOf != nullptr) {
-        oldZOrderRelativeOf->removeZOrderRelative(this);
+        oldZOrderRelativeOf->removeZOrderRelative(wp<Layer>::fromExisting(this));
     }
     setZOrderRelativeOf(relative);
-    relative->addZOrderRelative(this);
+    relative->addZOrderRelative(wp<Layer>::fromExisting(this));
 
     setTransactionFlags(eTransactionNeeded);
 
@@ -879,7 +1096,7 @@
     if (mDrawingState.isTrustedOverlay == isTrustedOverlay) return false;
     mDrawingState.isTrustedOverlay = isTrustedOverlay;
     mDrawingState.modified = true;
-    mFlinger->mInputInfoChanged = true;
+    mFlinger->mUpdateInputInfo = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
@@ -892,20 +1109,6 @@
     return (p != nullptr) && p->isTrustedOverlay();
 }
 
-bool Layer::setSize(uint32_t w, uint32_t h) {
-    if (mDrawingState.requested_legacy.w == w && mDrawingState.requested_legacy.h == h)
-        return false;
-    mDrawingState.requested_legacy.w = w;
-    mDrawingState.requested_legacy.h = h;
-    mDrawingState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    // record the new size, from this point on, when the client request
-    // a buffer, it'll get the new size.
-    setDefaultBufferSize(mDrawingState.requested_legacy.w, mDrawingState.requested_legacy.h);
-    return true;
-}
-
 bool Layer::setAlpha(float alpha) {
     if (mDrawingState.color.a == alpha) return false;
     mDrawingState.sequence++;
@@ -975,20 +1178,10 @@
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
-bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
-    ui::Transform t;
-    t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mDrawingState.sequence++;
-    mDrawingState.transform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-    mDrawingState.modified = true;
-
-    setTransactionFlags(eTransactionNeeded);
-    return true;
-}
 
 bool Layer::setTransparentRegionHint(const Region& transparent) {
-    mDrawingState.requestedTransparentRegion_legacy = transparent;
+    mDrawingState.sequence++;
+    mDrawingState.transparentRegionHint = transparent;
     mDrawingState.modified = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
@@ -1017,9 +1210,8 @@
 }
 
 bool Layer::setCrop(const Rect& crop) {
-    if (mDrawingState.requestedCrop == crop) return false;
+    if (mDrawingState.crop == crop) return false;
     mDrawingState.sequence++;
-    mDrawingState.requestedCrop = crop;
     mDrawingState.crop = crop;
 
     mDrawingState.modified = true;
@@ -1087,6 +1279,19 @@
     return Layer::PRIORITY_UNSET;
 }
 
+bool Layer::setDefaultFrameRateCompatibility(FrameRateCompatibility compatibility) {
+    if (mDrawingState.defaultFrameRateCompatibility == compatibility) return false;
+    mDrawingState.defaultFrameRateCompatibility = compatibility;
+    mDrawingState.modified = true;
+    mFlinger->mScheduler->setDefaultFrameRateCompatibility(this);
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+scheduler::LayerInfo::FrameRateCompatibility Layer::getDefaultFrameRateCompatibility() const {
+    return mDrawingState.defaultFrameRateCompatibility;
+}
+
 bool Layer::isLayerFocusedBasedOnPriority(int32_t priority) {
     return priority == PRIORITY_FOCUSED_WITH_MODE || priority == PRIORITY_FOCUSED_WITHOUT_MODE;
 };
@@ -1151,6 +1356,28 @@
     return StretchEffect{};
 }
 
+bool Layer::enableBorder(bool shouldEnable, float width, const half4& color) {
+    if (mBorderEnabled == shouldEnable && mBorderWidth == width && mBorderColor == color) {
+        return false;
+    }
+    mBorderEnabled = shouldEnable;
+    mBorderWidth = width;
+    mBorderColor = color;
+    return true;
+}
+
+bool Layer::isBorderEnabled() {
+    return mBorderEnabled;
+}
+
+float Layer::getBorderWidth() {
+    return mBorderWidth;
+}
+
+const half4& Layer::getBorderColor() {
+    return mBorderColor;
+}
+
 bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* transactionNeeded) {
     // The frame rate for layer tree is this layer's frame rate if present, or the parent frame rate
     const auto frameRate = [&] {
@@ -1193,7 +1420,7 @@
 
 void Layer::updateTreeHasFrameRateVote() {
     const auto root = [&]() -> sp<Layer> {
-        sp<Layer> layer = this;
+        sp<Layer> layer = sp<Layer>::fromExisting(this);
         while (auto parent = layer->getParent()) {
             layer = parent;
         }
@@ -1399,16 +1626,15 @@
 // ----------------------------------------------------------------------------
 
 // TODO(marissaw): add new layer state info to layer debugging
-LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
+gui::LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
     using namespace std::string_literals;
 
-    LayerDebugInfo info;
+    gui::LayerDebugInfo info;
     const State& ds = getDrawingState();
     info.mName = getName();
     sp<Layer> parent = mDrawingParent.promote();
     info.mParentName = parent ? parent->getName() : "none"s;
     info.mType = getType();
-    info.mTransparentRegion = ds.activeTransparentRegion_legacy;
 
     info.mVisibleRegion = getVisibleRegion(display);
     info.mSurfaceDamageRegion = surfaceDamageRegion;
@@ -1416,8 +1642,6 @@
     info.mX = ds.transform.tx();
     info.mY = ds.transform.ty();
     info.mZ = ds.z;
-    info.mWidth = ds.width;
-    info.mHeight = ds.height;
     info.mCrop = ds.crop;
     info.mColor = ds.color;
     info.mFlags = ds.flags;
@@ -1551,8 +1775,9 @@
 
 void Layer::setGameModeForTree(GameMode gameMode) {
     const auto& currentState = getDrawingState();
-    if (currentState.metadata.has(METADATA_GAME_MODE)) {
-        gameMode = static_cast<GameMode>(currentState.metadata.getInt32(METADATA_GAME_MODE, 0));
+    if (currentState.metadata.has(gui::METADATA_GAME_MODE)) {
+        gameMode =
+                static_cast<GameMode>(currentState.metadata.getInt32(gui::METADATA_GAME_MODE, 0));
     }
     setGameMode(gameMode);
     for (const sp<Layer>& child : mCurrentChildren) {
@@ -1565,7 +1790,7 @@
     setTransactionFlags(eTransactionNeeded);
 
     mCurrentChildren.add(layer);
-    layer->setParent(this);
+    layer->setParent(sp<Layer>::fromExisting(this));
     layer->setGameModeForTree(mGameMode);
     updateTreeHasFrameRateVote();
 }
@@ -1610,11 +1835,11 @@
 
     sp<Layer> parent = getParent();
     if (parent != nullptr) {
-        parent->removeChild(this);
+        parent->removeChild(sp<Layer>::fromExisting(this));
     }
 
     if (newParentHandle != nullptr) {
-        newParent->addChild(this);
+        newParent->addChild(sp<Layer>::fromExisting(this));
         if (!newParent->isRemovedFromCurrentState()) {
             addToCurrentState();
         } else {
@@ -1896,8 +2121,11 @@
 }
 
 int32_t Layer::getBackgroundBlurRadius() const {
-    const auto& p = mDrawingParent.promote();
+    if (getDrawingState().backgroundBlurRadius == 0) {
+        return 0;
+    }
 
+    const auto& p = mDrawingParent.promote();
     half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
     return parentAlpha * getDrawingState().backgroundBlurRadius;
 }
@@ -1917,27 +2145,22 @@
     const auto& parent = mDrawingParent.promote();
     if (parent != nullptr) {
         parentSettings = parent->getRoundedCornerState();
-        if (parentSettings.radius > 0) {
+        if (parentSettings.hasRoundedCorners()) {
             ui::Transform t = getActiveTransform(getDrawingState());
             t = t.inverse();
             parentSettings.cropRect = t.transform(parentSettings.cropRect);
-            // The rounded corners shader only accepts 1 corner radius for performance reasons,
-            // but a transform matrix can define horizontal and vertical scales.
-            // Let's take the average between both of them and pass into the shader, practically we
-            // never do this type of transformation on windows anyway.
-            auto scaleX = sqrtf(t[0][0] * t[0][0] + t[0][1] * t[0][1]);
-            auto scaleY = sqrtf(t[1][0] * t[1][0] + t[1][1] * t[1][1]);
-            parentSettings.radius *= (scaleX + scaleY) / 2.0f;
+            parentSettings.radius.x *= t.getScaleX();
+            parentSettings.radius.y *= t.getScaleY();
         }
     }
 
     // Get layer settings
     Rect layerCropRect = getCroppedBufferSize(getDrawingState());
-    const float radius = getDrawingState().cornerRadius;
+    const vec2 radius(getDrawingState().cornerRadius, getDrawingState().cornerRadius);
     RoundedCornerState layerSettings(layerCropRect.toFloatRect(), radius);
-    const bool layerSettingsValid = layerSettings.radius > 0 && layerCropRect.isValid();
+    const bool layerSettingsValid = layerSettings.hasRoundedCorners() && layerCropRect.isValid();
 
-    if (layerSettingsValid && parentSettings.radius > 0) {
+    if (layerSettingsValid && parentSettings.hasRoundedCorners()) {
         // If the parent and the layer have rounded corner settings, use the parent settings if the
         // parent crop is entirely inside the layer crop.
         // This has limitations and cause rendering artifacts. See b/200300845 for correct fix.
@@ -1951,43 +2174,25 @@
         }
     } else if (layerSettingsValid) {
         return layerSettings;
-    } else if (parentSettings.radius > 0) {
+    } else if (parentSettings.hasRoundedCorners()) {
         return parentSettings;
     }
     return {};
 }
 
 void Layer::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
-                                           const Rect& layerStackRect) {
-    renderengine::ShadowSettings state = mFlinger->mDrawingState.globalShadowSettings;
-
-    // Note: this preserves existing behavior of shadowing the entire layer and not cropping it if
-    // transparent regions are present. This may not be necessary since shadows are only cast by
-    // SurfaceFlinger's EffectLayers, which do not typically use transparent regions.
-    state.boundaries = mBounds;
+                                           const Rect& layerStackRect) const {
+    const auto* snapshot = getLayerSnapshot();
+    renderengine::ShadowSettings state = snapshot->shadowSettings;
+    if (state.length <= 0.f || (state.ambientColor.a <= 0.f && state.spotColor.a <= 0.f)) {
+        return;
+    }
 
     // Shift the spot light x-position to the middle of the display and then
     // offset it by casting layer's screen pos.
-    state.lightPos.x = (layerStackRect.width() / 2.f) - mScreenBounds.left;
-    state.lightPos.y -= mScreenBounds.top;
-
-    state.length = mEffectiveShadowRadius;
-
-    if (state.length > 0.f) {
-        const float casterAlpha = caster.alpha;
-        const bool casterIsOpaque =
-                ((caster.source.buffer.buffer != nullptr) && caster.source.buffer.isOpaque);
-
-        // If the casting layer is translucent, we need to fill in the shadow underneath the layer.
-        // Otherwise the generated shadow will only be shown around the casting layer.
-        state.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
-        state.ambientColor *= casterAlpha;
-        state.spotColor *= casterAlpha;
-
-        if (state.ambientColor.a > 0.f && state.spotColor.a > 0.f) {
-            caster.shadow = state;
-        }
-    }
+    state.lightPos.x = (layerStackRect.width() / 2.f) - snapshot->transformedBounds.left;
+    state.lightPos.y -= snapshot->transformedBounds.top;
+    caster.shadow = state;
 }
 
 bool Layer::findInHierarchy(const sp<Layer>& l) {
@@ -2017,7 +2222,7 @@
                   zOrderRelativeOf->mName.c_str());
             ALOGE("Severing rel Z loop, potentially dangerous");
             mDrawingState.isRelativeOf = false;
-            zOrderRelativeOf->removeZOrderRelative(this);
+            zOrderRelativeOf->removeZOrderRelative(wp<Layer>::fromExisting(this));
         }
     }
 }
@@ -2027,7 +2232,7 @@
     mDrawingState.inputInfo = info;
     mDrawingState.touchableRegionCrop = fromHandle(info.touchableRegionCropHandle.promote());
     mDrawingState.modified = true;
-    mFlinger->mInputInfoChanged = true;
+    mFlinger->mUpdateInputInfo = true;
     setTransactionFlags(eTransactionNeeded);
 }
 
@@ -2069,10 +2274,9 @@
     layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(getDataSpace())));
     layerInfo->set_queued_frames(getQueuedFrameCount());
     layerInfo->set_curr_frame(mCurrentFrameNumber);
-    layerInfo->set_effective_scaling_mode(getEffectiveScalingMode());
-
     layerInfo->set_requested_corner_radius(getDrawingState().cornerRadius);
-    layerInfo->set_corner_radius(getRoundedCornerState().radius);
+    layerInfo->set_corner_radius(
+            (getRoundedCornerState().radius.x + getRoundedCornerState().radius.y) / 2.0);
     layerInfo->set_background_blur_radius(getBackgroundBlurRadius());
     layerInfo->set_is_trusted_overlay(isTrustedOverlay());
     LayerProtoHelper::writeToProtoDeprecated(transform, layerInfo->mutable_transform());
@@ -2118,7 +2322,7 @@
         }
     }
 
-    LayerProtoHelper::writeToProto(state.activeTransparentRegion_legacy,
+    LayerProtoHelper::writeToProto(state.transparentRegionHint,
                                    [&]() { return layerInfo->mutable_transparent_region(); });
 
     layerInfo->set_layer_stack(getLayerStack().id);
@@ -2128,9 +2332,6 @@
         return layerInfo->mutable_requested_position();
     });
 
-    LayerProtoHelper::writeSizeToProto(state.width, state.height,
-                                       [&]() { return layerInfo->mutable_size(); });
-
     LayerProtoHelper::writeToProto(state.crop, [&]() { return layerInfo->mutable_crop(); });
 
     layerInfo->set_is_opaque(isOpaque(state));
@@ -2190,14 +2391,6 @@
     return mRemovedFromDrawingState;
 }
 
-ui::Transform Layer::getInputTransform() const {
-    return getTransform();
-}
-
-Rect Layer::getInputBounds() const {
-    return getCroppedBufferSize(getDrawingState());
-}
-
 // Applies the given transform to the region, while protecting against overflows caused by any
 // offsets. If applying the offset in the transform to any of the Rects in the region would result
 // in an overflow, they are not added to the output Region.
@@ -2296,7 +2489,7 @@
 }
 
 void Layer::fillTouchOcclusionMode(WindowInfo& info) {
-    sp<Layer> p = this;
+    sp<Layer> p = sp<Layer>::fromExisting(this);
     while (p != nullptr && !p->hasInputInfo()) {
         p = p->mDrawingParent.promote();
     }
@@ -2436,7 +2629,7 @@
     // If the layer is a clone, we need to crop the input region to cloned root to prevent
     // touches from going outside the cloned area.
     if (isClone()) {
-        info.isClone = true;
+        info.inputConfig |= WindowInfo::InputConfig::CLONE;
         if (const sp<Layer> clonedRoot = getClonedRoot()) {
             const Rect rect = displayTransform.transform(Rect{clonedRoot->mScreenBounds});
             info.touchableRegion = info.touchableRegion.intersect(rect);
@@ -2448,7 +2641,7 @@
 
 sp<Layer> Layer::getClonedRoot() {
     if (mClonedChild != nullptr) {
-        return this;
+        return sp<Layer>::fromExisting(this);
     }
     if (mDrawingParent == nullptr || mDrawingParent.promote() == nullptr) {
         return nullptr;
@@ -2461,10 +2654,6 @@
             mDrawingState.inputInfo.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL);
 }
 
-bool Layer::canReceiveInput() const {
-    return !isHiddenByPolicy();
-}
-
 compositionengine::OutputLayer* Layer::findOutputLayerForDisplay(
         const DisplayDevice* display) const {
     if (!display) return nullptr;
@@ -2479,6 +2668,40 @@
 void Layer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
     cloneDrawingState(clonedFrom.get());
     mClonedFrom = clonedFrom;
+    mPremultipliedAlpha = clonedFrom->mPremultipliedAlpha;
+    mPotentialCursor = clonedFrom->mPotentialCursor;
+    mProtectedByApp = clonedFrom->mProtectedByApp;
+    updateCloneBufferInfo();
+}
+
+void Layer::updateCloneBufferInfo() {
+    if (!isClone() || !isClonedFromAlive()) {
+        return;
+    }
+
+    sp<Layer> clonedFrom = getClonedFrom();
+    mBufferInfo = clonedFrom->mBufferInfo;
+    mSidebandStream = clonedFrom->mSidebandStream;
+    surfaceDamageRegion = clonedFrom->surfaceDamageRegion;
+    mCurrentFrameNumber = clonedFrom->mCurrentFrameNumber.load();
+    mPreviousFrameNumber = clonedFrom->mPreviousFrameNumber;
+
+    // After buffer info is updated, the drawingState from the real layer needs to be copied into
+    // the cloned. This is because some properties of drawingState can change when latchBuffer is
+    // called. However, copying the drawingState would also overwrite the cloned layer's relatives
+    // and touchableRegionCrop. Therefore, temporarily store the relatives so they can be set in
+    // the cloned drawingState again.
+    wp<Layer> tmpZOrderRelativeOf = mDrawingState.zOrderRelativeOf;
+    SortedVector<wp<Layer>> tmpZOrderRelatives = mDrawingState.zOrderRelatives;
+    wp<Layer> tmpTouchableRegionCrop = mDrawingState.touchableRegionCrop;
+    WindowInfo tmpInputInfo = mDrawingState.inputInfo;
+
+    cloneDrawingState(clonedFrom.get());
+
+    mDrawingState.touchableRegionCrop = tmpTouchableRegionCrop;
+    mDrawingState.zOrderRelativeOf = tmpZOrderRelativeOf;
+    mDrawingState.zOrderRelatives = tmpZOrderRelatives;
+    mDrawingState.inputInfo = tmpInputInfo;
 }
 
 void Layer::updateMirrorInfo() {
@@ -2502,7 +2725,7 @@
     }
 
     mClonedChild->updateClonedDrawingState(clonedLayersMap);
-    mClonedChild->updateClonedChildren(this, clonedLayersMap);
+    mClonedChild->updateClonedChildren(sp<Layer>::fromExisting(this), clonedLayersMap);
     mClonedChild->updateClonedRelatives(clonedLayersMap);
 }
 
@@ -2513,7 +2736,7 @@
     if (isClonedFromAlive()) {
         sp<Layer> clonedFrom = getClonedFrom();
         cloneDrawingState(clonedFrom.get());
-        clonedLayersMap.emplace(clonedFrom, this);
+        clonedLayersMap.emplace(clonedFrom, sp<Layer>::fromExisting(this));
     }
 
     // The clone layer may have children in drawingState since they may have been created and
@@ -2557,7 +2780,7 @@
         if (clonedLayersMap.count(cropLayer) == 0) {
             // Real layer had a crop layer but it's not in the cloned hierarchy. Just set to
             // self as crop layer to avoid going outside bounds.
-            mDrawingState.touchableRegionCrop = this;
+            mDrawingState.touchableRegionCrop = wp<Layer>::fromExisting(this);
         } else {
             const sp<Layer>& clonedCropLayer = clonedLayersMap.at(cropLayer);
             mDrawingState.touchableRegionCrop = clonedCropLayer;
@@ -2569,7 +2792,7 @@
 }
 
 void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
-    mDrawingState.zOrderRelativeOf = nullptr;
+    mDrawingState.zOrderRelativeOf = wp<Layer>();
     mDrawingState.zOrderRelatives.clear();
 
     if (!isClonedFromAlive()) {
@@ -2605,7 +2828,7 @@
 
 void Layer::addChildToDrawing(const sp<Layer>& layer) {
     mDrawingChildren.add(layer);
-    layer->mDrawingParent = this;
+    layer->mDrawingParent = sp<Layer>::fromExisting(this);
 }
 
 Layer::FrameRateCompatibility Layer::FrameRate::convertCompatibility(int8_t compatibility) {
@@ -2616,6 +2839,8 @@
             return FrameRateCompatibility::ExactOrMultiple;
         case ANATIVEWINDOW_FRAME_RATE_EXACT:
             return FrameRateCompatibility::Exact;
+        case ANATIVEWINDOW_FRAME_RATE_MIN:
+            return FrameRateCompatibility::Min;
         case ANATIVEWINDOW_FRAME_RATE_NO_VOTE:
             return FrameRateCompatibility::NoVote;
         default:
@@ -2665,7 +2890,7 @@
     }
 
     // We can safely cast this binder since its local and we verified its interface descriptor.
-    sp<Handle> handle = static_cast<Handle*>(handleBinder.get());
+    sp<Handle> handle = sp<Handle>::cast(handleBinder);
     return handle->owner;
 }
 
@@ -2684,18 +2909,1375 @@
     mDrawingState.callbackHandles = {};
 }
 
-bool Layer::setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) {
-    if (handles.empty()) {
+void Layer::callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
+                                      const sp<GraphicBuffer>& buffer, uint64_t framenumber,
+                                      const sp<Fence>& releaseFence,
+                                      uint32_t currentMaxAcquiredBufferCount) {
+    if (!listener) {
+        return;
+    }
+    ATRACE_FORMAT_INSTANT("callReleaseBufferCallback %s - %" PRIu64, getDebugName(), framenumber);
+    listener->onReleaseBuffer({buffer->getId(), framenumber},
+                              releaseFence ? releaseFence : Fence::NO_FENCE,
+                              currentMaxAcquiredBufferCount);
+}
+
+void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) {
+    // If we are displayed on multiple displays in a single composition cycle then we would
+    // need to do careful tracking to enable the use of the mLastClientCompositionFence.
+    //  For example we can only use it if all the displays are client comp, and we need
+    //  to merge all the client comp fences. We could do this, but for now we just
+    // disable the optimization when a layer is composed on multiple displays.
+    if (mClearClientCompositionFenceOnLayerDisplayed) {
+        mLastClientCompositionFence = nullptr;
+    } else {
+        mClearClientCompositionFenceOnLayerDisplayed = true;
+    }
+
+    // The previous release fence notifies the client that SurfaceFlinger is done with the previous
+    // buffer that was presented on this layer. The first transaction that came in this frame that
+    // replaced the previous buffer on this layer needs this release fence, because the fence will
+    // let the client know when that previous buffer is removed from the screen.
+    //
+    // Every other transaction on this layer does not need a release fence because no other
+    // Transactions that were set on this layer this frame are going to have their preceding buffer
+    // removed from the display this frame.
+    //
+    // For example, if we have 3 transactions this frame. The first transaction doesn't contain a
+    // buffer so it doesn't need a previous release fence because the layer still needs the previous
+    // buffer. The second transaction contains a buffer so it needs a previous release fence because
+    // the previous buffer will be released this frame. The third transaction also contains a
+    // buffer. It replaces the buffer in the second transaction. The buffer in the second
+    // transaction will now no longer be presented so it is released immediately and the third
+    // transaction doesn't need a previous release fence.
+    sp<CallbackHandle> ch;
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->releasePreviousBuffer &&
+            mDrawingState.releaseBufferEndpoint == handle->listener) {
+            ch = handle;
+            break;
+        }
+    }
+
+    // Prevent tracing the same release multiple times.
+    if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
+        mPreviousReleasedFrameNumber = mPreviousFrameNumber;
+    }
+
+    if (ch != nullptr) {
+        ch->previousReleaseCallbackId = mPreviousReleaseCallbackId;
+        ch->previousReleaseFences.emplace_back(std::move(futureFenceResult));
+        ch->name = mName;
+    }
+}
+
+void Layer::onSurfaceFrameCreated(
+        const std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame) {
+    while (mPendingJankClassifications.size() >= kPendingClassificationMaxSurfaceFrames) {
+        // Too many SurfaceFrames pending classification. The front of the deque is probably not
+        // tracked by FrameTimeline and will never be presented. This will only result in a memory
+        // leak.
+        ALOGW("Removing the front of pending jank deque from layer - %s to prevent memory leak",
+              mName.c_str());
+        std::string miniDump = mPendingJankClassifications.front()->miniDump();
+        ALOGD("Head SurfaceFrame mini dump\n%s", miniDump.c_str());
+        mPendingJankClassifications.pop_front();
+    }
+    mPendingJankClassifications.emplace_back(surfaceFrame);
+}
+
+void Layer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->transformHint = mTransformHint;
+        handle->dequeueReadyTime = dequeueReadyTime;
+        handle->currentMaxAcquiredBufferCount =
+                mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mOwnerUid);
+        ATRACE_FORMAT_INSTANT("releasePendingBuffer %s - %" PRIu64, getDebugName(),
+                              handle->previousReleaseCallbackId.framenumber);
+    }
+
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->releasePreviousBuffer &&
+            mDrawingState.releaseBufferEndpoint == handle->listener) {
+            handle->previousReleaseCallbackId = mPreviousReleaseCallbackId;
+            break;
+        }
+    }
+
+    std::vector<JankData> jankData;
+    jankData.reserve(mPendingJankClassifications.size());
+    while (!mPendingJankClassifications.empty() &&
+           mPendingJankClassifications.front()->getJankType()) {
+        std::shared_ptr<frametimeline::SurfaceFrame> surfaceFrame =
+                mPendingJankClassifications.front();
+        mPendingJankClassifications.pop_front();
+        jankData.emplace_back(
+                JankData(surfaceFrame->getToken(), surfaceFrame->getJankType().value()));
+    }
+
+    mFlinger->getTransactionCallbackInvoker().addCallbackHandles(mDrawingState.callbackHandles,
+                                                                 jankData);
+    mDrawingState.callbackHandles = {};
+}
+
+bool Layer::willPresentCurrentTransaction() const {
+    // Returns true if the most recent Transaction applied to CurrentState will be presented.
+    return (getSidebandStreamChanged() || getAutoRefresh() ||
+            (mDrawingState.modified &&
+             (mDrawingState.buffer != nullptr || mDrawingState.bgColorLayer != nullptr)));
+}
+
+bool Layer::setTransform(uint32_t transform) {
+    if (mDrawingState.bufferTransform == transform) return false;
+    mDrawingState.bufferTransform = transform;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setTransformToDisplayInverse(bool transformToDisplayInverse) {
+    if (mDrawingState.transformToDisplayInverse == transformToDisplayInverse) return false;
+    mDrawingState.sequence++;
+    mDrawingState.transformToDisplayInverse = transformToDisplayInverse;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setBufferCrop(const Rect& bufferCrop) {
+    if (mDrawingState.bufferCrop == bufferCrop) return false;
+
+    mDrawingState.sequence++;
+    mDrawingState.bufferCrop = bufferCrop;
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setDestinationFrame(const Rect& destinationFrame) {
+    if (mDrawingState.destinationFrame == destinationFrame) return false;
+
+    mDrawingState.sequence++;
+    mDrawingState.destinationFrame = destinationFrame;
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+// Translate destination frame into scale and position. If a destination frame is not set, use the
+// provided scale and position
+bool Layer::updateGeometry() {
+    if ((mDrawingState.flags & layer_state_t::eIgnoreDestinationFrame) ||
+        mDrawingState.destinationFrame.isEmpty()) {
+        // If destination frame is not set, use the requested transform set via
+        // Layer::setPosition and Layer::setMatrix.
+        return assignTransform(&mDrawingState.transform, mRequestedTransform);
+    }
+
+    Rect destRect = mDrawingState.destinationFrame;
+    int32_t destW = destRect.width();
+    int32_t destH = destRect.height();
+    if (destRect.left < 0) {
+        destRect.left = 0;
+        destRect.right = destW;
+    }
+    if (destRect.top < 0) {
+        destRect.top = 0;
+        destRect.bottom = destH;
+    }
+
+    if (!mDrawingState.buffer) {
+        ui::Transform t;
+        t.set(destRect.left, destRect.top);
+        return assignTransform(&mDrawingState.transform, t);
+    }
+
+    uint32_t bufferWidth = mDrawingState.buffer->getWidth();
+    uint32_t bufferHeight = mDrawingState.buffer->getHeight();
+    // Undo any transformations on the buffer.
+    if (mDrawingState.bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+    uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+    if (mDrawingState.transformToDisplayInverse) {
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    float sx = destW / static_cast<float>(bufferWidth);
+    float sy = destH / static_cast<float>(bufferHeight);
+    ui::Transform t;
+    t.set(sx, 0, 0, sy);
+    t.set(destRect.left, destRect.top);
+    return assignTransform(&mDrawingState.transform, t);
+}
+
+bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
+    if (mRequestedTransform.dsdx() == matrix.dsdx && mRequestedTransform.dtdy() == matrix.dtdy &&
+        mRequestedTransform.dtdx() == matrix.dtdx && mRequestedTransform.dsdy() == matrix.dsdy) {
         return false;
     }
 
+    mRequestedTransform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
+
+    mDrawingState.sequence++;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    return true;
+}
+
+bool Layer::setPosition(float x, float y) {
+    if (mRequestedTransform.tx() == x && mRequestedTransform.ty() == y) {
+        return false;
+    }
+
+    mRequestedTransform.set(x, y);
+
+    mDrawingState.sequence++;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    return true;
+}
+
+bool Layer::setBuffer(std::shared_ptr<renderengine::ExternalTexture>& buffer,
+                      const BufferData& bufferData, nsecs_t postTime, nsecs_t desiredPresentTime,
+                      bool isAutoTimestamp, std::optional<nsecs_t> dequeueTime,
+                      const FrameTimelineInfo& info) {
+    ATRACE_FORMAT("setBuffer %s - hasBuffer=%s", getDebugName(), (buffer ? "true" : "false"));
+    if (!buffer) {
+        return false;
+    }
+
+    const bool frameNumberChanged =
+            bufferData.flags.test(BufferData::BufferDataChange::frameNumberChanged);
+    const uint64_t frameNumber =
+            frameNumberChanged ? bufferData.frameNumber : mDrawingState.frameNumber + 1;
+    ATRACE_FORMAT_INSTANT("setBuffer %s - %" PRIu64, getDebugName(), frameNumber);
+
+    if (mDrawingState.buffer) {
+        mReleasePreviousBuffer = true;
+        if (!mBufferInfo.mBuffer ||
+            (!mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer) ||
+             mDrawingState.frameNumber != mBufferInfo.mFrameNumber)) {
+            // If mDrawingState has a buffer, and we are about to update again
+            // before swapping to drawing state, then the first buffer will be
+            // dropped and we should decrement the pending buffer count and
+            // call any release buffer callbacks if set.
+            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
+                                      mDrawingState.acquireFence,
+                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                              mOwnerUid));
+            decrementPendingBufferCount();
+            if (mDrawingState.bufferSurfaceFrameTX != nullptr &&
+                mDrawingState.bufferSurfaceFrameTX->getPresentState() != PresentState::Presented) {
+                addSurfaceFrameDroppedForBuffer(mDrawingState.bufferSurfaceFrameTX);
+                mDrawingState.bufferSurfaceFrameTX.reset();
+            }
+        } else if (EARLY_RELEASE_ENABLED && mLastClientCompositionFence != nullptr) {
+            callReleaseBufferCallback(mDrawingState.releaseBufferListener,
+                                      mDrawingState.buffer->getBuffer(), mDrawingState.frameNumber,
+                                      mLastClientCompositionFence,
+                                      mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(
+                                              mOwnerUid));
+            mLastClientCompositionFence = nullptr;
+        }
+    }
+
+    mDrawingState.frameNumber = frameNumber;
+    mDrawingState.releaseBufferListener = bufferData.releaseBufferListener;
+    mDrawingState.buffer = std::move(buffer);
+    mDrawingState.clientCacheId = bufferData.cachedBuffer;
+
+    mDrawingState.acquireFence = bufferData.flags.test(BufferData::BufferDataChange::fenceChanged)
+            ? bufferData.acquireFence
+            : Fence::NO_FENCE;
+    mDrawingState.acquireFenceTime = std::make_unique<FenceTime>(mDrawingState.acquireFence);
+    if (mDrawingState.acquireFenceTime->getSignalTime() == Fence::SIGNAL_TIME_PENDING) {
+        // We latched this buffer unsiganled, so we need to pass the acquire fence
+        // on the callback instead of just the acquire time, since it's unknown at
+        // this point.
+        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFence;
+    } else {
+        mCallbackHandleAcquireTimeOrFence = mDrawingState.acquireFenceTime->getSignalTime();
+    }
+
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->setPostTime(layerId, mDrawingState.frameNumber, getName().c_str(),
+                                      mOwnerUid, postTime, getGameMode());
+    mDrawingState.desiredPresentTime = desiredPresentTime;
+    mDrawingState.isAutoTimestamp = isAutoTimestamp;
+
+    const nsecs_t presentTime = [&] {
+        if (!isAutoTimestamp) return desiredPresentTime;
+
+        const auto prediction =
+                mFlinger->mFrameTimeline->getTokenManager()->getPredictionsForToken(info.vsyncId);
+        if (prediction.has_value()) return prediction->presentTime;
+
+        return static_cast<nsecs_t>(0);
+    }();
+
+    using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
+    mFlinger->mScheduler->recordLayerHistory(this, presentTime, LayerUpdateType::Buffer);
+
+    setFrameTimelineVsyncForBufferTransaction(info, postTime);
+
+    if (dequeueTime && *dequeueTime != 0) {
+        const uint64_t bufferId = mDrawingState.buffer->getId();
+        mFlinger->mFrameTracer->traceNewLayer(layerId, getName().c_str());
+        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, *dequeueTime,
+                                               FrameTracer::FrameEvent::DEQUEUE);
+        mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, postTime,
+                                               FrameTracer::FrameEvent::QUEUE);
+    }
+
+    mDrawingState.releaseBufferEndpoint = bufferData.releaseBufferEndpoint;
+    return true;
+}
+
+bool Layer::setDataspace(ui::Dataspace dataspace) {
+    mDrawingState.dataspaceRequested = true;
+    if (mDrawingState.dataspace == dataspace) return false;
+    mDrawingState.dataspace = dataspace;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setHdrMetadata(const HdrMetadata& hdrMetadata) {
+    if (mDrawingState.hdrMetadata == hdrMetadata) return false;
+    mDrawingState.hdrMetadata = hdrMetadata;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setSurfaceDamageRegion(const Region& surfaceDamage) {
+    mDrawingState.surfaceDamageRegion = surfaceDamage;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setApi(int32_t api) {
+    if (mDrawingState.api == api) return false;
+    mDrawingState.api = api;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::setSidebandStream(const sp<NativeHandle>& sidebandStream) {
+    if (mDrawingState.sidebandStream == sidebandStream) return false;
+
+    if (mDrawingState.sidebandStream != nullptr && sidebandStream == nullptr) {
+        mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
+    } else if (sidebandStream != nullptr) {
+        mFlinger->mTunnelModeEnabledReporter->incrementTunnelModeCount();
+    }
+
+    mDrawingState.sidebandStream = sidebandStream;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    if (!mSidebandStreamChanged.exchange(true)) {
+        // mSidebandStreamChanged was false
+        mFlinger->onLayerUpdate();
+    }
+    return true;
+}
+
+bool Layer::setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) {
+    // If there is no handle, we will not send a callback so reset mReleasePreviousBuffer and return
+    if (handles.empty()) {
+        mReleasePreviousBuffer = false;
+        return false;
+    }
+
+    const bool willPresent = willPresentCurrentTransaction();
+
     for (const auto& handle : handles) {
-        mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
+        // If this transaction set a buffer on this layer, release its previous buffer
+        handle->releasePreviousBuffer = mReleasePreviousBuffer;
+
+        // If this layer will be presented in this frame
+        if (willPresent) {
+            // If this transaction set an acquire fence on this layer, set its acquire time
+            handle->acquireTimeOrFence = mCallbackHandleAcquireTimeOrFence;
+            handle->frameNumber = mDrawingState.frameNumber;
+
+            // Store so latched time and release fence can be set
+            mDrawingState.callbackHandles.push_back(handle);
+
+        } else { // If this layer will NOT need to be relatched and presented this frame
+            // Notify the transaction completed thread this handle is done
+            mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
+        }
+    }
+
+    mReleasePreviousBuffer = false;
+    mCallbackHandleAcquireTimeOrFence = -1;
+
+    return willPresent;
+}
+
+Rect Layer::getBufferSize(const State& /*s*/) const {
+    // for buffer state layers we use the display frame size as the buffer size.
+
+    if (mBufferInfo.mBuffer == nullptr) {
+        return Rect::INVALID_RECT;
+    }
+
+    uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
+    uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
+
+    // Undo any transformations on the buffer and return the result.
+    if (mBufferInfo.mTransform & ui::Transform::ROT_90) {
+        std::swap(bufWidth, bufHeight);
+    }
+
+    if (getTransformToDisplayInverse()) {
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufWidth, bufHeight);
+        }
+    }
+
+    return Rect(0, 0, static_cast<int32_t>(bufWidth), static_cast<int32_t>(bufHeight));
+}
+
+FloatRect Layer::computeSourceBounds(const FloatRect& parentBounds) const {
+    if (mBufferInfo.mBuffer == nullptr) {
+        return parentBounds;
+    }
+
+    return getBufferSize(getDrawingState()).toFloatRect();
+}
+
+bool Layer::fenceHasSignaled() const {
+    if (SurfaceFlinger::enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
+        return true;
+    }
+
+    const bool fenceSignaled =
+            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
+    if (!fenceSignaled) {
+        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
+                                                    TimeStats::LatchSkipReason::LateAcquire);
+    }
+
+    return fenceSignaled;
+}
+
+bool Layer::onPreComposition(nsecs_t refreshStartTime, bool /* updatingOutputGeometryThisFrame */) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->refreshStartTime = refreshStartTime;
+    }
+    return hasReadyFrame();
+}
+
+void Layer::setAutoRefresh(bool autoRefresh) {
+    mDrawingState.autoRefresh = autoRefresh;
+}
+
+bool Layer::latchSidebandStream(bool& recomputeVisibleRegions) {
+    // We need to update the sideband stream if the layer has both a buffer and a sideband stream.
+    auto* snapshot = editLayerSnapshot();
+    snapshot->sidebandStreamHasFrame = hasFrameUpdate() && mSidebandStream.get();
+
+    if (mSidebandStreamChanged.exchange(false)) {
+        const State& s(getDrawingState());
+        // mSidebandStreamChanged was true
+        mSidebandStream = s.sidebandStream;
+        snapshot->sidebandStream = mSidebandStream;
+        if (mSidebandStream != nullptr) {
+            setTransactionFlags(eTransactionNeeded);
+            mFlinger->setTransactionFlags(eTraversalNeeded);
+        }
+        recomputeVisibleRegions = true;
+
+        return true;
+    }
+    return false;
+}
+
+bool Layer::hasFrameUpdate() const {
+    const State& c(getDrawingState());
+    return (mDrawingStateModified || mDrawingState.modified) &&
+            (c.buffer != nullptr || c.bgColorLayer != nullptr);
+}
+
+void Layer::updateTexImage(nsecs_t latchTime) {
+    const State& s(getDrawingState());
+
+    if (!s.buffer) {
+        if (s.bgColorLayer) {
+            for (auto& handle : mDrawingState.callbackHandles) {
+                handle->latchTime = latchTime;
+            }
+        }
+        return;
+    }
+
+    for (auto& handle : mDrawingState.callbackHandles) {
+        if (handle->frameNumber == mDrawingState.frameNumber) {
+            handle->latchTime = latchTime;
+        }
+    }
+
+    const int32_t layerId = getSequence();
+    const uint64_t bufferId = mDrawingState.buffer->getId();
+    const uint64_t frameNumber = mDrawingState.frameNumber;
+    const auto acquireFence = std::make_shared<FenceTime>(mDrawingState.acquireFence);
+    mFlinger->mTimeStats->setAcquireFence(layerId, frameNumber, acquireFence);
+    mFlinger->mTimeStats->setLatchTime(layerId, frameNumber, latchTime);
+
+    mFlinger->mFrameTracer->traceFence(layerId, bufferId, frameNumber, acquireFence,
+                                       FrameTracer::FrameEvent::ACQUIRE_FENCE);
+    mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, latchTime,
+                                           FrameTracer::FrameEvent::LATCH);
+
+    auto& bufferSurfaceFrame = mDrawingState.bufferSurfaceFrameTX;
+    if (bufferSurfaceFrame != nullptr &&
+        bufferSurfaceFrame->getPresentState() != PresentState::Presented) {
+        // Update only if the bufferSurfaceFrame wasn't already presented. A Presented
+        // bufferSurfaceFrame could be seen here if a pending state was applied successfully and we
+        // are processing the next state.
+        addSurfaceFramePresentedForBuffer(bufferSurfaceFrame,
+                                          mDrawingState.acquireFenceTime->getSignalTime(),
+                                          latchTime);
+        mDrawingState.bufferSurfaceFrameTX.reset();
+    }
+
+    std::deque<sp<CallbackHandle>> remainingHandles;
+    mFlinger->getTransactionCallbackInvoker()
+            .addOnCommitCallbackHandles(mDrawingState.callbackHandles, remainingHandles);
+    mDrawingState.callbackHandles = remainingHandles;
+
+    mDrawingStateModified = false;
+}
+
+void Layer::gatherBufferInfo() {
+    if (!mBufferInfo.mBuffer || !mDrawingState.buffer->hasSameBuffer(*mBufferInfo.mBuffer)) {
+        decrementPendingBufferCount();
+    }
+
+    mPreviousReleaseCallbackId = {getCurrentBufferId(), mBufferInfo.mFrameNumber};
+    mBufferInfo.mBuffer = mDrawingState.buffer;
+    mBufferInfo.mFence = mDrawingState.acquireFence;
+    mBufferInfo.mFrameNumber = mDrawingState.frameNumber;
+    mBufferInfo.mPixelFormat =
+            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->getPixelFormat();
+    mBufferInfo.mFrameLatencyNeeded = true;
+    mBufferInfo.mDesiredPresentTime = mDrawingState.desiredPresentTime;
+    mBufferInfo.mFenceTime = std::make_shared<FenceTime>(mDrawingState.acquireFence);
+    mBufferInfo.mFence = mDrawingState.acquireFence;
+    mBufferInfo.mTransform = mDrawingState.bufferTransform;
+    auto lastDataspace = mBufferInfo.mDataspace;
+    mBufferInfo.mDataspace = translateDataspace(mDrawingState.dataspace);
+    if (lastDataspace != mBufferInfo.mDataspace) {
+        mFlinger->mSomeDataspaceChanged = true;
+    }
+    mBufferInfo.mCrop = computeBufferCrop(mDrawingState);
+    mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
+    mBufferInfo.mSurfaceDamage = mDrawingState.surfaceDamageRegion;
+    mBufferInfo.mHdrMetadata = mDrawingState.hdrMetadata;
+    mBufferInfo.mApi = mDrawingState.api;
+    mBufferInfo.mTransformToDisplayInverse = mDrawingState.transformToDisplayInverse;
+    mBufferInfo.mBufferSlot = mHwcSlotGenerator->getHwcCacheSlot(mDrawingState.clientCacheId);
+}
+
+Rect Layer::computeBufferCrop(const State& s) {
+    if (s.buffer && !s.bufferCrop.isEmpty()) {
+        Rect bufferCrop;
+        s.buffer->getBounds().intersect(s.bufferCrop, &bufferCrop);
+        return bufferCrop;
+    } else if (s.buffer) {
+        return s.buffer->getBounds();
+    } else {
+        return s.bufferCrop;
+    }
+}
+
+sp<Layer> Layer::createClone() {
+    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata());
+    args.textureName = mTextureName;
+    sp<Layer> layer = mFlinger->getFactory().createBufferStateLayer(args);
+    layer->mHwcSlotGenerator = mHwcSlotGenerator;
+    layer->setInitialValuesForClone(sp<Layer>::fromExisting(this));
+    return layer;
+}
+
+bool Layer::bufferNeedsFiltering() const {
+    const State& s(getDrawingState());
+    if (!s.buffer) {
+        return false;
+    }
+
+    int32_t bufferWidth = static_cast<int32_t>(s.buffer->getWidth());
+    int32_t bufferHeight = static_cast<int32_t>(s.buffer->getHeight());
+
+    // Undo any transformations on the buffer and return the result.
+    if (s.bufferTransform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+
+    if (s.transformToDisplayInverse) {
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    const Rect layerSize{getBounds()};
+    int32_t layerWidth = layerSize.getWidth();
+    int32_t layerHeight = layerSize.getHeight();
+
+    // Align the layer orientation with the buffer before comparism
+    if (mTransformHint & ui::Transform::ROT_90) {
+        std::swap(layerWidth, layerHeight);
+    }
+
+    return layerWidth != bufferWidth || layerHeight != bufferHeight;
+}
+
+void Layer::decrementPendingBufferCount() {
+    int32_t pendingBuffers = --mPendingBufferTransactions;
+    tracePendingBufferCount(pendingBuffers);
+}
+
+void Layer::tracePendingBufferCount(int32_t pendingBuffers) {
+    ATRACE_INT(mBlastTransactionName.c_str(), pendingBuffers);
+}
+
+/*
+ * We don't want to send the layer's transform to input, but rather the
+ * parent's transform. This is because Layer's transform is
+ * information about how the buffer is placed on screen. The parent's
+ * transform makes more sense to send since it's information about how the
+ * layer is placed on screen. This transform is used by input to determine
+ * how to go from screen space back to window space.
+ */
+ui::Transform Layer::getInputTransform() const {
+    if (!hasBufferOrSidebandStream()) {
+        return getTransform();
+    }
+    sp<Layer> parent = mDrawingParent.promote();
+    if (parent == nullptr) {
+        return ui::Transform();
+    }
+
+    return parent->getTransform();
+}
+
+/**
+ * Similar to getInputTransform, we need to update the bounds to include the transform.
+ * This is because bounds don't include the buffer transform, where the input assumes
+ * that's already included.
+ */
+Rect Layer::getInputBounds() const {
+    if (!hasBufferOrSidebandStream()) {
+        return getCroppedBufferSize(getDrawingState());
+    }
+
+    Rect bufferBounds = getCroppedBufferSize(getDrawingState());
+    if (mDrawingState.transform.getType() == ui::Transform::IDENTITY || !bufferBounds.isValid()) {
+        return bufferBounds;
+    }
+    return mDrawingState.transform.transform(bufferBounds);
+}
+
+bool Layer::simpleBufferUpdate(const layer_state_t& s) const {
+    const uint64_t requiredFlags = layer_state_t::eBufferChanged;
+
+    const uint64_t deniedFlags = layer_state_t::eProducerDisconnect | layer_state_t::eLayerChanged |
+            layer_state_t::eRelativeLayerChanged | layer_state_t::eTransparentRegionChanged |
+            layer_state_t::eFlagsChanged | layer_state_t::eBlurRegionsChanged |
+            layer_state_t::eLayerStackChanged | layer_state_t::eAutoRefreshChanged |
+            layer_state_t::eReparent;
+
+    const uint64_t allowedFlags = layer_state_t::eHasListenerCallbacksChanged |
+            layer_state_t::eFrameRateSelectionPriority | layer_state_t::eFrameRateChanged |
+            layer_state_t::eSurfaceDamageRegionChanged | layer_state_t::eApiChanged |
+            layer_state_t::eMetadataChanged | layer_state_t::eDropInputModeChanged |
+            layer_state_t::eInputInfoChanged;
+
+    if ((s.what & requiredFlags) != requiredFlags) {
+        ALOGV("%s: false [missing required flags 0x%" PRIx64 "]", __func__,
+              (s.what | requiredFlags) & ~s.what);
+        return false;
+    }
+
+    if (s.what & deniedFlags) {
+        ALOGV("%s: false [has denied flags 0x%" PRIx64 "]", __func__, s.what & deniedFlags);
+        return false;
+    }
+
+    if (s.what & allowedFlags) {
+        ALOGV("%s: [has allowed flags 0x%" PRIx64 "]", __func__, s.what & allowedFlags);
+    }
+
+    if (s.what & layer_state_t::ePositionChanged) {
+        if (mRequestedTransform.tx() != s.x || mRequestedTransform.ty() != s.y) {
+            ALOGV("%s: false [ePositionChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eAlphaChanged) {
+        if (mDrawingState.color.a != s.alpha) {
+            ALOGV("%s: false [eAlphaChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eColorTransformChanged) {
+        if (mDrawingState.colorTransform != s.colorTransform) {
+            ALOGV("%s: false [eColorTransformChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBackgroundColorChanged) {
+        if (mDrawingState.bgColorLayer || s.bgColorAlpha != 0) {
+            ALOGV("%s: false [eBackgroundColorChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eMatrixChanged) {
+        if (mRequestedTransform.dsdx() != s.matrix.dsdx ||
+            mRequestedTransform.dtdy() != s.matrix.dtdy ||
+            mRequestedTransform.dtdx() != s.matrix.dtdx ||
+            mRequestedTransform.dsdy() != s.matrix.dsdy) {
+            ALOGV("%s: false [eMatrixChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eCornerRadiusChanged) {
+        if (mDrawingState.cornerRadius != s.cornerRadius) {
+            ALOGV("%s: false [eCornerRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBackgroundBlurRadiusChanged) {
+        if (mDrawingState.backgroundBlurRadius != static_cast<int>(s.backgroundBlurRadius)) {
+            ALOGV("%s: false [eBackgroundBlurRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eTransformChanged) {
+        if (mDrawingState.bufferTransform != s.transform) {
+            ALOGV("%s: false [eTransformChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eTransformToDisplayInverseChanged) {
+        if (mDrawingState.transformToDisplayInverse != s.transformToDisplayInverse) {
+            ALOGV("%s: false [eTransformToDisplayInverseChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eCropChanged) {
+        if (mDrawingState.crop != s.crop) {
+            ALOGV("%s: false [eCropChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDataspaceChanged) {
+        if (mDrawingState.dataspace != s.dataspace) {
+            ALOGV("%s: false [eDataspaceChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eHdrMetadataChanged) {
+        if (mDrawingState.hdrMetadata != s.hdrMetadata) {
+            ALOGV("%s: false [eHdrMetadataChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eSidebandStreamChanged) {
+        if (mDrawingState.sidebandStream != s.sidebandStream) {
+            ALOGV("%s: false [eSidebandStreamChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eColorSpaceAgnosticChanged) {
+        if (mDrawingState.colorSpaceAgnostic != s.colorSpaceAgnostic) {
+            ALOGV("%s: false [eColorSpaceAgnosticChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eShadowRadiusChanged) {
+        if (mDrawingState.shadowRadius != s.shadowRadius) {
+            ALOGV("%s: false [eShadowRadiusChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eFixedTransformHintChanged) {
+        if (mDrawingState.fixedTransformHint != s.fixedTransformHint) {
+            ALOGV("%s: false [eFixedTransformHintChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eTrustedOverlayChanged) {
+        if (mDrawingState.isTrustedOverlay != s.isTrustedOverlay) {
+            ALOGV("%s: false [eTrustedOverlayChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eStretchChanged) {
+        StretchEffect temp = s.stretchEffect;
+        temp.sanitize();
+        if (mDrawingState.stretchEffect != temp) {
+            ALOGV("%s: false [eStretchChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eBufferCropChanged) {
+        if (mDrawingState.bufferCrop != s.bufferCrop) {
+            ALOGV("%s: false [eBufferCropChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDestinationFrameChanged) {
+        if (mDrawingState.destinationFrame != s.destinationFrame) {
+            ALOGV("%s: false [eDestinationFrameChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    if (s.what & layer_state_t::eDimmingEnabledChanged) {
+        if (mDrawingState.dimmingEnabled != s.dimmingEnabled) {
+            ALOGV("%s: false [eDimmingEnabledChanged changed]", __func__);
+            return false;
+        }
+    }
+
+    ALOGV("%s: true", __func__);
+    return true;
+}
+
+bool Layer::isHdrY410() const {
+    // pixel format is HDR Y410 masquerading as RGBA_1010102
+    return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
+            mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
+            mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
+}
+
+sp<compositionengine::LayerFE> Layer::getCompositionEngineLayerFE() const {
+    // There's no need to get a CE Layer if the layer isn't going to draw anything.
+    if (hasSomethingToDraw()) {
+        return asLayerFE();
+    } else {
+        return nullptr;
+    }
+}
+
+const Layer::LayerSnapshot* Layer::getLayerSnapshot() const {
+    return mSnapshot.get();
+}
+
+Layer::LayerSnapshot* Layer::editLayerSnapshot() {
+    return mSnapshot.get();
+}
+const compositionengine::LayerFECompositionState* Layer::getCompositionState() const {
+    return mSnapshot.get();
+}
+
+void Layer::useSurfaceDamage() {
+    if (mFlinger->mForceFullDamage) {
+        surfaceDamageRegion = Region::INVALID_REGION;
+    } else {
+        surfaceDamageRegion = mBufferInfo.mSurfaceDamage;
+    }
+}
+
+void Layer::useEmptyDamage() {
+    surfaceDamageRegion.clear();
+}
+
+bool Layer::isOpaque(const Layer::State& s) const {
+    // if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
+    // layer's opaque flag.
+    if (!hasSomethingToDraw()) {
+        return false;
+    }
+
+    // if the layer has the opaque flag, then we're always opaque
+    if ((s.flags & layer_state_t::eLayerOpaque) == layer_state_t::eLayerOpaque) {
+        return true;
+    }
+
+    // If the buffer has no alpha channel, then we are opaque
+    if (hasBufferOrSidebandStream() && isOpaqueFormat(getPixelFormat())) {
+        return true;
+    }
+
+    // Lastly consider the layer opaque if drawing a color with alpha == 1.0
+    return fillsColor() && getAlpha() == 1.0_hf;
+}
+
+bool Layer::canReceiveInput() const {
+    return !isHiddenByPolicy() && (mBufferInfo.mBuffer == nullptr || getAlpha() > 0.0f);
+}
+
+bool Layer::isVisible() const {
+    if (!hasSomethingToDraw()) {
+        return false;
+    }
+
+    if (isHiddenByPolicy()) {
+        return false;
+    }
+
+    return getAlpha() > 0.0f || hasBlur();
+}
+
+void Layer::onPostComposition(const DisplayDevice* display,
+                              const std::shared_ptr<FenceTime>& glDoneFence,
+                              const std::shared_ptr<FenceTime>& presentFence,
+                              const CompositorTiming& compositorTiming) {
+    // mFrameLatencyNeeded is true when a new frame was latched for the
+    // composition.
+    if (!mBufferInfo.mFrameLatencyNeeded) return;
+
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->gpuCompositionDoneFence = glDoneFence;
+        handle->compositorTiming = compositorTiming;
+    }
+
+    // Update mFrameTracker.
+    nsecs_t desiredPresentTime = mBufferInfo.mDesiredPresentTime;
+    mFrameTracker.setDesiredPresentTime(desiredPresentTime);
+
+    const int32_t layerId = getSequence();
+    mFlinger->mTimeStats->setDesiredTime(layerId, mCurrentFrameNumber, desiredPresentTime);
+
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer && outputLayer->requiresClientComposition()) {
+        nsecs_t clientCompositionTimestamp = outputLayer->getState().clientCompositionTimestamp;
+        mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(), mCurrentFrameNumber,
+                                               clientCompositionTimestamp,
+                                               FrameTracer::FrameEvent::FALLBACK_COMPOSITION);
+        // Update the SurfaceFrames in the drawing state
+        if (mDrawingState.bufferSurfaceFrameTX) {
+            mDrawingState.bufferSurfaceFrameTX->setGpuComposition();
+        }
+        for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
+            surfaceFrame->setGpuComposition();
+        }
+    }
+
+    std::shared_ptr<FenceTime> frameReadyFence = mBufferInfo.mFenceTime;
+    if (frameReadyFence->isValid()) {
+        mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));
+    } else {
+        // There was no fence for this frame, so assume that it was ready
+        // to be presented at the desired present time.
+        mFrameTracker.setFrameReadyTime(desiredPresentTime);
+    }
+
+    if (display) {
+        const Fps refreshRate = display->refreshRateConfigs().getActiveModePtr()->getFps();
+        const std::optional<Fps> renderRate =
+                mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
+
+        const auto vote = frameRateToSetFrameRateVotePayload(mDrawingState.frameRate);
+        const auto gameMode = getGameMode();
+
+        if (presentFence->isValid()) {
+            mFlinger->mTimeStats->setPresentFence(layerId, mCurrentFrameNumber, presentFence,
+                                                  refreshRate, renderRate, vote, gameMode);
+            mFlinger->mFrameTracer->traceFence(layerId, getCurrentBufferId(), mCurrentFrameNumber,
+                                               presentFence,
+                                               FrameTracer::FrameEvent::PRESENT_FENCE);
+            mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));
+        } else if (const auto displayId = PhysicalDisplayId::tryCast(display->getId());
+                   displayId && mFlinger->getHwComposer().isConnected(*displayId)) {
+            // The HWC doesn't support present fences, so use the present timestamp instead.
+            const nsecs_t presentTimestamp =
+                    mFlinger->getHwComposer().getPresentTimestamp(*displayId);
+
+            const nsecs_t now = systemTime(CLOCK_MONOTONIC);
+            const nsecs_t vsyncPeriod = display->getVsyncPeriodFromHWC();
+            const nsecs_t actualPresentTime = now - ((now - presentTimestamp) % vsyncPeriod);
+
+            mFlinger->mTimeStats->setPresentTime(layerId, mCurrentFrameNumber, actualPresentTime,
+                                                 refreshRate, renderRate, vote, gameMode);
+            mFlinger->mFrameTracer->traceTimestamp(layerId, getCurrentBufferId(),
+                                                   mCurrentFrameNumber, actualPresentTime,
+                                                   FrameTracer::FrameEvent::PRESENT_FENCE);
+            mFrameTracker.setActualPresentTime(actualPresentTime);
+        }
+    }
+
+    mFrameTracker.advanceFrame();
+    mBufferInfo.mFrameLatencyNeeded = false;
+}
+
+bool Layer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime) {
+    ATRACE_FORMAT_INSTANT("latchBuffer %s - %" PRIu64, getDebugName(),
+                          getDrawingState().frameNumber);
+
+    bool refreshRequired = latchSidebandStream(recomputeVisibleRegions);
+
+    if (refreshRequired) {
+        return refreshRequired;
+    }
+
+    // If the head buffer's acquire fence hasn't signaled yet, return and
+    // try again later
+    if (!fenceHasSignaled()) {
+        ATRACE_NAME("!fenceHasSignaled()");
+        mFlinger->onLayerUpdate();
+        return false;
+    }
+
+    updateTexImage(latchTime);
+    if (mDrawingState.buffer == nullptr) {
+        return false;
+    }
+
+    // Capture the old state of the layer for comparisons later
+    BufferInfo oldBufferInfo = mBufferInfo;
+    const bool oldOpacity = isOpaque(mDrawingState);
+    mPreviousFrameNumber = mCurrentFrameNumber;
+    mCurrentFrameNumber = mDrawingState.frameNumber;
+    gatherBufferInfo();
+
+    if (oldBufferInfo.mBuffer == nullptr) {
+        // the first time we receive a buffer, we need to trigger a
+        // geometry invalidation.
+        recomputeVisibleRegions = true;
+    }
+
+    if ((mBufferInfo.mCrop != oldBufferInfo.mCrop) ||
+        (mBufferInfo.mTransform != oldBufferInfo.mTransform) ||
+        (mBufferInfo.mScaleMode != oldBufferInfo.mScaleMode) ||
+        (mBufferInfo.mTransformToDisplayInverse != oldBufferInfo.mTransformToDisplayInverse)) {
+        recomputeVisibleRegions = true;
+    }
+
+    if (oldBufferInfo.mBuffer != nullptr) {
+        uint32_t bufWidth = mBufferInfo.mBuffer->getWidth();
+        uint32_t bufHeight = mBufferInfo.mBuffer->getHeight();
+        if (bufWidth != oldBufferInfo.mBuffer->getWidth() ||
+            bufHeight != oldBufferInfo.mBuffer->getHeight()) {
+            recomputeVisibleRegions = true;
+        }
+    }
+
+    if (oldOpacity != isOpaque(mDrawingState)) {
+        recomputeVisibleRegions = true;
     }
 
     return true;
 }
 
+bool Layer::hasReadyFrame() const {
+    return hasFrameUpdate() || getSidebandStreamChanged() || getAutoRefresh();
+}
+
+bool Layer::isProtected() const {
+    return (mBufferInfo.mBuffer != nullptr) &&
+            (mBufferInfo.mBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+}
+
+// As documented in libhardware header, formats in the range
+// 0x100 - 0x1FF are specific to the HAL implementation, and
+// are known to have no alpha channel
+// TODO: move definition for device-specific range into
+// hardware.h, instead of using hard-coded values here.
+#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF)
+
+bool Layer::isOpaqueFormat(PixelFormat format) {
+    if (HARDWARE_IS_DEVICE_FORMAT(format)) {
+        return true;
+    }
+    switch (format) {
+        case PIXEL_FORMAT_RGBA_8888:
+        case PIXEL_FORMAT_BGRA_8888:
+        case PIXEL_FORMAT_RGBA_FP16:
+        case PIXEL_FORMAT_RGBA_1010102:
+        case PIXEL_FORMAT_R_8:
+            return false;
+    }
+    // in all other case, we have no blending (also for unknown formats)
+    return true;
+}
+
+bool Layer::needsFiltering(const DisplayDevice* display) const {
+    if (!hasBufferOrSidebandStream()) {
+        return false;
+    }
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer == nullptr) {
+        return false;
+    }
+
+    // We need filtering if the sourceCrop rectangle size does not match the
+    // displayframe rectangle size (not a 1:1 render)
+    const auto& compositionState = outputLayer->getState();
+    const auto displayFrame = compositionState.displayFrame;
+    const auto sourceCrop = compositionState.sourceCrop;
+    return sourceCrop.getHeight() != displayFrame.getHeight() ||
+            sourceCrop.getWidth() != displayFrame.getWidth();
+}
+
+bool Layer::needsFilteringForScreenshots(const DisplayDevice* display,
+                                         const ui::Transform& inverseParentTransform) const {
+    if (!hasBufferOrSidebandStream()) {
+        return false;
+    }
+    const auto outputLayer = findOutputLayerForDisplay(display);
+    if (outputLayer == nullptr) {
+        return false;
+    }
+
+    // We need filtering if the sourceCrop rectangle size does not match the
+    // viewport rectangle size (not a 1:1 render)
+    const auto& compositionState = outputLayer->getState();
+    const ui::Transform& displayTransform = display->getTransform();
+    const ui::Transform inverseTransform = inverseParentTransform * displayTransform.inverse();
+    // Undo the transformation of the displayFrame so that we're back into
+    // layer-stack space.
+    const Rect frame = inverseTransform.transform(compositionState.displayFrame);
+    const FloatRect sourceCrop = compositionState.sourceCrop;
+
+    int32_t frameHeight = frame.getHeight();
+    int32_t frameWidth = frame.getWidth();
+    // If the display transform had a rotational component then undo the
+    // rotation so that the orientation matches the source crop.
+    if (displayTransform.getOrientation() & ui::Transform::ROT_90) {
+        std::swap(frameHeight, frameWidth);
+    }
+    return sourceCrop.getHeight() != frameHeight || sourceCrop.getWidth() != frameWidth;
+}
+
+void Layer::latchAndReleaseBuffer() {
+    if (hasReadyFrame()) {
+        bool ignored = false;
+        latchBuffer(ignored, systemTime());
+    }
+    releasePendingBuffer(systemTime());
+}
+
+PixelFormat Layer::getPixelFormat() const {
+    return mBufferInfo.mPixelFormat;
+}
+
+bool Layer::getTransformToDisplayInverse() const {
+    return mBufferInfo.mTransformToDisplayInverse;
+}
+
+Rect Layer::getBufferCrop() const {
+    // this is the crop rectangle that applies to the buffer
+    // itself (as opposed to the window)
+    if (!mBufferInfo.mCrop.isEmpty()) {
+        // if the buffer crop is defined, we use that
+        return mBufferInfo.mCrop;
+    } else if (mBufferInfo.mBuffer != nullptr) {
+        // otherwise we use the whole buffer
+        return mBufferInfo.mBuffer->getBounds();
+    } else {
+        // if we don't have a buffer yet, we use an empty/invalid crop
+        return Rect();
+    }
+}
+
+uint32_t Layer::getBufferTransform() const {
+    return mBufferInfo.mTransform;
+}
+
+ui::Dataspace Layer::getDataSpace() const {
+    return mDrawingState.dataspaceRequested ? getRequestedDataSpace() : ui::Dataspace::UNKNOWN;
+}
+
+ui::Dataspace Layer::getRequestedDataSpace() const {
+    return hasBufferOrSidebandStream() ? mBufferInfo.mDataspace : mDrawingState.dataspace;
+}
+
+ui::Dataspace Layer::translateDataspace(ui::Dataspace dataspace) {
+    ui::Dataspace updatedDataspace = dataspace;
+    // translate legacy dataspaces to modern dataspaces
+    switch (dataspace) {
+        case ui::Dataspace::SRGB:
+            updatedDataspace = ui::Dataspace::V0_SRGB;
+            break;
+        case ui::Dataspace::SRGB_LINEAR:
+            updatedDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+            break;
+        case ui::Dataspace::JFIF:
+            updatedDataspace = ui::Dataspace::V0_JFIF;
+            break;
+        case ui::Dataspace::BT601_625:
+            updatedDataspace = ui::Dataspace::V0_BT601_625;
+            break;
+        case ui::Dataspace::BT601_525:
+            updatedDataspace = ui::Dataspace::V0_BT601_525;
+            break;
+        case ui::Dataspace::BT709:
+            updatedDataspace = ui::Dataspace::V0_BT709;
+            break;
+        default:
+            break;
+    }
+
+    return updatedDataspace;
+}
+
+sp<GraphicBuffer> Layer::getBuffer() const {
+    return mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getBuffer() : nullptr;
+}
+
+void Layer::getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]) const {
+    sp<GraphicBuffer> buffer = getBuffer();
+    if (!buffer) {
+        ALOGE("Buffer should not be null!");
+        return;
+    }
+    GLConsumer::computeTransformMatrix(outMatrix, buffer->getWidth(), buffer->getHeight(),
+                                       buffer->getPixelFormat(), mBufferInfo.mCrop,
+                                       mBufferInfo.mTransform, filteringEnabled);
+}
+
+void Layer::setTransformHint(ui::Transform::RotationFlags displayTransformHint) {
+    mTransformHint = getFixedTransformHint();
+    if (mTransformHint == ui::Transform::ROT_INVALID) {
+        mTransformHint = displayTransformHint;
+    }
+}
+
+const std::shared_ptr<renderengine::ExternalTexture>& Layer::getExternalTexture() const {
+    return mBufferInfo.mBuffer;
+}
+
+bool Layer::setColor(const half3& color) {
+    if (mDrawingState.color.r == color.r && mDrawingState.color.g == color.g &&
+        mDrawingState.color.b == color.b) {
+        return false;
+    }
+
+    mDrawingState.sequence++;
+    mDrawingState.color.r = color.r;
+    mDrawingState.color.g = color.g;
+    mDrawingState.color.b = color.b;
+    mDrawingState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool Layer::fillsColor() const {
+    return !hasBufferOrSidebandStream() && mDrawingState.color.r >= 0.0_hf &&
+            mDrawingState.color.g >= 0.0_hf && mDrawingState.color.b >= 0.0_hf;
+}
+
+bool Layer::hasBlur() const {
+    return getBackgroundBlurRadius() > 0 || getDrawingState().blurRegions.size() > 0;
+}
+
+void Layer::updateSnapshot(bool updateGeometry) {
+    if (!getCompositionEngineLayerFE()) {
+        return;
+    }
+
+    auto* snapshot = editLayerSnapshot();
+    if (updateGeometry) {
+        prepareBasicGeometryCompositionState();
+        prepareGeometryCompositionState();
+        snapshot->roundedCorner = getRoundedCornerState();
+        snapshot->stretchEffect = getStretchEffect();
+        snapshot->transformedBounds = mScreenBounds;
+        if (mEffectiveShadowRadius > 0.f) {
+            snapshot->shadowSettings = mFlinger->mDrawingState.globalShadowSettings;
+
+            // Note: this preserves existing behavior of shadowing the entire layer and not cropping
+            // it if transparent regions are present. This may not be necessary since shadows are
+            // typically cast by layers without transparent regions.
+            snapshot->shadowSettings.boundaries = mBounds;
+
+            const float casterAlpha = snapshot->alpha;
+            const bool casterIsOpaque =
+                    ((mBufferInfo.mBuffer != nullptr) && isOpaque(mDrawingState));
+
+            // If the casting layer is translucent, we need to fill in the shadow underneath the
+            // layer. Otherwise the generated shadow will only be shown around the casting layer.
+            snapshot->shadowSettings.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
+            snapshot->shadowSettings.ambientColor *= casterAlpha;
+            snapshot->shadowSettings.spotColor *= casterAlpha;
+        }
+        snapshot->shadowSettings.length = mEffectiveShadowRadius;
+    }
+    snapshot->contentOpaque = isOpaque(mDrawingState);
+    snapshot->isHdrY410 = isHdrY410();
+    snapshot->bufferNeedsFiltering = bufferNeedsFiltering();
+    sp<Layer> p = mDrawingParent.promote();
+    if (p != nullptr) {
+        snapshot->transform = p->getTransform();
+    } else {
+        snapshot->transform.reset();
+    }
+    snapshot->bufferSize = getBufferSize(mDrawingState);
+    snapshot->externalTexture = mBufferInfo.mBuffer;
+    preparePerFrameCompositionState();
+}
+
+void Layer::updateMetadataSnapshot(const LayerMetadata& parentMetadata) {
+    mSnapshot->layerMetadata = parentMetadata;
+    mSnapshot->layerMetadata.merge(mDrawingState.metadata);
+    for (const sp<Layer>& child : mDrawingChildren) {
+        child->updateMetadataSnapshot(mSnapshot->layerMetadata);
+    }
+}
+
+void Layer::updateRelativeMetadataSnapshot(const LayerMetadata& relativeLayerMetadata,
+                                           std::unordered_set<Layer*>& visited) {
+    if (visited.find(this) != visited.end()) {
+        ALOGW("Cycle containing layer %s detected in z-order relatives", getDebugName());
+        return;
+    }
+    visited.insert(this);
+
+    mSnapshot->relativeLayerMetadata = relativeLayerMetadata;
+
+    if (mDrawingState.zOrderRelatives.empty()) {
+        return;
+    }
+    LayerMetadata childRelativeLayerMetadata = mSnapshot->relativeLayerMetadata;
+    childRelativeLayerMetadata.merge(mSnapshot->layerMetadata);
+    for (wp<Layer> weakRelative : mDrawingState.zOrderRelatives) {
+        sp<Layer> relative = weakRelative.promote();
+        if (!relative) {
+            continue;
+        }
+        relative->updateRelativeMetadataSnapshot(childRelativeLayerMetadata, visited);
+    }
+}
+
 // ---------------------------------------------------------------------------
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate) {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index c547da0..4ff86e5 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -17,8 +17,8 @@
 #pragma once
 
 #include <android/gui/DropInputMode.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <gui/BufferQueue.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
 #include <gui/WindowInfo.h>
 #include <layerproto/LayerProtoHeader.h>
@@ -38,6 +38,7 @@
 #include <utils/Timers.h>
 
 #include <compositionengine/LayerFE.h>
+#include <compositionengine/LayerFECompositionState.h>
 #include <scheduler/Fps.h>
 #include <scheduler/Seamlessness.h>
 
@@ -48,13 +49,10 @@
 #include <vector>
 
 #include "Client.h"
-#include "ClientCache.h"
-#include "DisplayHardware/ComposerHal.h"
 #include "DisplayHardware/HWComposer.h"
 #include "FrameTracker.h"
+#include "HwcSlotGenerator.h"
 #include "LayerVector.h"
-#include "MonitoredProducer.h"
-#include "RenderArea.h"
 #include "Scheduler/LayerInfo.h"
 #include "SurfaceFlinger.h"
 #include "Tracing/LayerTracing.h"
@@ -69,13 +67,16 @@
 class DisplayDevice;
 class GraphicBuffer;
 class SurfaceFlinger;
-class LayerDebugInfo;
 
 namespace compositionengine {
 class OutputLayer;
 struct LayerFECompositionState;
 }
 
+namespace gui {
+class LayerDebugInfo;
+}
+
 namespace impl {
 class SurfaceInterceptor;
 }
@@ -134,70 +135,73 @@
 
     struct RoundedCornerState {
         RoundedCornerState() = default;
-        RoundedCornerState(FloatRect cropRect, float radius)
+        RoundedCornerState(const FloatRect& cropRect, const vec2& radius)
               : cropRect(cropRect), radius(radius) {}
 
         // Rounded rectangle in local layer coordinate space.
         FloatRect cropRect = FloatRect();
         // Radius of the rounded rectangle.
-        float radius = 0.0f;
+        vec2 radius;
+        bool hasRoundedCorners() const { return radius.x > 0.0f && radius.y > 0.0f; }
+    };
+
+    // LayerSnapshot stores Layer state used by Composition Engine and Render Engine. Composition
+    // Engine uses a pointer to LayerSnapshot (as LayerFECompositionState*) and the LayerSettings
+    // passed to Render Engine are created using properties stored on this struct.
+    //
+    // TODO(b/238781169) Implement LayerFE as a separate subclass. Migrate LayerSnapshot to that
+    // LayerFE subclass.
+    struct LayerSnapshot : public compositionengine::LayerFECompositionState {
+        int32_t sequence;
+        std::string name;
+        uint32_t textureName;
+        bool contentOpaque;
+        RoundedCornerState roundedCorner;
+        StretchEffect stretchEffect;
+        FloatRect transformedBounds;
+        renderengine::ShadowSettings shadowSettings;
+        bool premultipliedAlpha;
+        bool isHdrY410;
+        bool bufferNeedsFiltering;
+        ui::Transform transform;
+        Rect bufferSize;
+        std::shared_ptr<renderengine::ExternalTexture> externalTexture;
+        LayerMetadata layerMetadata;
+        LayerMetadata relativeLayerMetadata;
     };
 
     using FrameRate = scheduler::LayerInfo::FrameRate;
     using FrameRateCompatibility = scheduler::LayerInfo::FrameRateCompatibility;
 
     struct State {
-        Geometry active_legacy;
-        Geometry requested_legacy;
         int32_t z;
-
         ui::LayerStack layerStack;
-
         uint32_t flags;
-        uint8_t reserved[2];
         int32_t sequence; // changes when visible regions can change
         bool modified;
-
         // Crop is expressed in layer space coordinate.
         Rect crop;
-        Rect requestedCrop;
-
-        // the transparentRegion hint is a bit special, it's latched only
-        // when we receive a buffer -- this is because it's "content"
-        // dependent.
-        Region activeTransparentRegion_legacy;
-        Region requestedTransparentRegion_legacy;
-
         LayerMetadata metadata;
-
         // If non-null, a Surface this Surface's Z-order is interpreted relative to.
         wp<Layer> zOrderRelativeOf;
         bool isRelativeOf{false};
 
         // A list of surfaces whose Z-order is interpreted relative to ours.
         SortedVector<wp<Layer>> zOrderRelatives;
-
         half4 color;
         float cornerRadius;
         int backgroundBlurRadius;
-
         gui::WindowInfo inputInfo;
         wp<Layer> touchableRegionCrop;
 
-        // dataspace is only used by BufferStateLayer and EffectLayer
         ui::Dataspace dataspace;
+        bool dataspaceRequested;
 
-        // The fields below this point are only used by BufferStateLayer
         uint64_t frameNumber;
-        uint32_t width;
-        uint32_t height;
         ui::Transform transform;
-
         uint32_t bufferTransform;
         bool transformToDisplayInverse;
-
         Region transparentRegionHint;
-
         std::shared_ptr<renderengine::ExternalTexture> buffer;
         client_cache_t clientCacheId;
         sp<Fence> acquireFence;
@@ -205,11 +209,9 @@
         HdrMetadata hdrMetadata;
         Region surfaceDamageRegion;
         int32_t api;
-
         sp<NativeHandle> sidebandStream;
         mat4 colorTransform;
         bool hasColorTransform;
-
         // pointer to background color layer that, if set, appears below the buffer state layer
         // and the buffer state layer's children.  Z order will be set to
         // INT_MIN
@@ -232,6 +234,8 @@
         // Priority of the layer assigned by Window Manager.
         int32_t frameRateSelectionPriority;
 
+        // Default frame rate compatibility used to set the layer refresh rate votetype.
+        FrameRateCompatibility defaultFrameRateCompatibility;
         FrameRate frameRate;
 
         // The combined frame rate of parents / children of this layer
@@ -251,7 +255,6 @@
 
         // When the transaction was posted
         nsecs_t postTime;
-
         sp<ITransactionCompletedListener> releaseBufferListener;
         // SurfaceFrame that tracks the timeline of Transactions that contain a Buffer. Only one
         // such SurfaceFrame exists because only one buffer can be presented on the layer per vsync.
@@ -272,16 +275,11 @@
 
         // Whether or not this layer is a trusted overlay for input
         bool isTrustedOverlay;
-
         Rect bufferCrop;
         Rect destinationFrame;
-
         sp<IBinder> releaseBufferEndpoint;
-
         gui::DropInputMode dropInputMode;
-
         bool autoRefresh = false;
-
         bool dimmingEnabled = true;
     };
 
@@ -332,43 +330,17 @@
     static void miniDumpHeader(std::string& result);
 
     // Provide unique string for each class type in the Layer hierarchy
-    virtual const char* getType() const = 0;
+    virtual const char* getType() const { return "Layer"; }
 
     // true if this layer is visible, false otherwise
-    virtual bool isVisible() const = 0;
+    virtual bool isVisible() const;
 
-    virtual sp<Layer> createClone() = 0;
+    virtual sp<Layer> createClone();
 
-    // Geometry setting functions.
-    //
-    // The following group of functions are used to specify the layers
-    // bounds, and the mapping of the texture on to those bounds. According
-    // to various settings changes to them may apply immediately, or be delayed until
-    // a pending resize is completed by the producer submitting a buffer. For example
-    // if we were to change the buffer size, and update the matrix ahead of the
-    // new buffer arriving, then we would be stretching the buffer to a different
-    // aspect before and after the buffer arriving, which probably isn't what we wanted.
-    //
-    // The first set of geometry functions are controlled by the scaling mode, described
-    // in window.h. The scaling mode may be set by the client, as it submits buffers.
-    //
-    // Put simply, if our scaling mode is SCALING_MODE_FREEZE, then
-    // matrix updates will not be applied while a resize is pending
-    // and the size and transform will remain in their previous state
-    // until a new buffer is submitted. If the scaling mode is another value
-    // then the old-buffer will immediately be scaled to the pending size
-    // and the new matrix will be immediately applied following this scaling
-    // transformation.
-
-    // Set the default buffer size for the assosciated Producer, in pixels. This is
-    // also the rendered size of the layer prior to any transformations. Parent
-    // or local matrix transformations will not affect the size of the buffer,
-    // but may affect it's on-screen size or clipping.
-    virtual bool setSize(uint32_t w, uint32_t h);
     // Set a 2x2 transformation matrix on the layer. This transform
     // will be applied after parent transforms, but before any final
     // producer specified transform.
-    virtual bool setMatrix(const layer_state_t::matrix22_t& matrix);
+    bool setMatrix(const layer_state_t::matrix22_t& matrix);
 
     // This second set of geometry attributes are controlled by
     // setGeometryAppliesWithResize, and their default mode is to be
@@ -378,9 +350,9 @@
 
     // setPosition operates in parent buffer space (pre parent-transform) or display
     // space for top-level layers.
-    virtual bool setPosition(float x, float y);
+    bool setPosition(float x, float y);
     // Buffer space
-    virtual bool setCrop(const Rect& crop);
+    bool setCrop(const Rect& crop);
 
     // TODO(b/38182121): Could we eliminate the various latching modes by
     // using the layer hierarchy?
@@ -389,7 +361,7 @@
     virtual bool setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ);
 
     virtual bool setAlpha(float alpha);
-    virtual bool setColor(const half3& /*color*/) { return false; };
+    bool setColor(const half3& /*color*/);
 
     // Set rounded corner radius for this layer and its children.
     //
@@ -401,7 +373,7 @@
     // is specified in pixels.
     virtual bool setBackgroundBlurRadius(int backgroundBlurRadius);
     virtual bool setBlurRegions(const std::vector<BlurRegion>& effectRegions);
-    virtual bool setTransparentRegionHint(const Region& transparent);
+    bool setTransparentRegionHint(const Region& transparent);
     virtual bool setTrustedOverlay(bool);
     virtual bool setFlags(uint32_t flags, uint32_t mask);
     virtual bool setLayerStack(ui::LayerStack);
@@ -415,44 +387,46 @@
     virtual bool isColorSpaceAgnostic() const { return mDrawingState.colorSpaceAgnostic; }
     virtual bool isDimmingEnabled() const { return getDrawingState().dimmingEnabled; };
 
-    // Used only to set BufferStateLayer state
-    virtual bool setTransform(uint32_t /*transform*/) { return false; };
-    virtual bool setTransformToDisplayInverse(bool /*transformToDisplayInverse*/) { return false; };
-    virtual bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
-                           const BufferData& /* bufferData */, nsecs_t /* postTime */,
-                           nsecs_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
-                           std::optional<nsecs_t> /* dequeueTime */,
-                           const FrameTimelineInfo& /*info*/) {
-        return false;
-    };
-    virtual bool setDataspace(ui::Dataspace /*dataspace*/) { return false; };
-    virtual bool setHdrMetadata(const HdrMetadata& /*hdrMetadata*/) { return false; };
-    virtual bool setSurfaceDamageRegion(const Region& /*surfaceDamage*/) { return false; };
-    virtual bool setApi(int32_t /*api*/) { return false; };
-    virtual bool setSidebandStream(const sp<NativeHandle>& /*sidebandStream*/) { return false; };
-    virtual bool setTransactionCompletedListeners(
-            const std::vector<sp<CallbackHandle>>& /*handles*/);
+    bool setTransform(uint32_t /*transform*/);
+    bool setTransformToDisplayInverse(bool /*transformToDisplayInverse*/);
+    bool setBuffer(std::shared_ptr<renderengine::ExternalTexture>& /* buffer */,
+                   const BufferData& /* bufferData */, nsecs_t /* postTime */,
+                   nsecs_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
+                   std::optional<nsecs_t> /* dequeueTime */, const FrameTimelineInfo& /*info*/);
+    bool setDataspace(ui::Dataspace /*dataspace*/);
+    bool setHdrMetadata(const HdrMetadata& /*hdrMetadata*/);
+    bool setSurfaceDamageRegion(const Region& /*surfaceDamage*/);
+    bool setApi(int32_t /*api*/);
+    bool setSidebandStream(const sp<NativeHandle>& /*sidebandStream*/);
+    bool setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& /*handles*/);
     virtual bool setBackgroundColor(const half3& color, float alpha, ui::Dataspace dataspace);
     virtual bool setColorSpaceAgnostic(const bool agnostic);
     virtual bool setDimmingEnabled(const bool dimmingEnabled);
+    virtual bool setDefaultFrameRateCompatibility(FrameRateCompatibility compatibility);
     virtual bool setFrameRateSelectionPriority(int32_t priority);
     virtual bool setFixedTransformHint(ui::Transform::RotationFlags fixedTransformHint);
-    virtual void setAutoRefresh(bool /* autoRefresh */) {}
+    void setAutoRefresh(bool /* autoRefresh */);
     bool setDropInputMode(gui::DropInputMode);
 
     //  If the variable is not set on the layer, it traverses up the tree to inherit the frame
     //  rate priority from its parent.
     virtual int32_t getFrameRateSelectionPriority() const;
-    virtual ui::Dataspace getDataSpace() const { return ui::Dataspace::UNKNOWN; }
+    //
+    virtual FrameRateCompatibility getDefaultFrameRateCompatibility() const;
+    //
+    ui::Dataspace getDataSpace() const;
+    ui::Dataspace getRequestedDataSpace() const;
 
     virtual sp<compositionengine::LayerFE> getCompositionEngineLayerFE() const;
-    virtual compositionengine::LayerFECompositionState* editCompositionState();
+
+    const LayerSnapshot* getLayerSnapshot() const;
+    LayerSnapshot* editLayerSnapshot();
 
     // If we have received a new buffer this frame, we will pass its surface
     // damage down to hardware composer. Otherwise, we must send a region with
     // one empty rect.
-    virtual void useSurfaceDamage() {}
-    virtual void useEmptyDamage() {}
+    void useSurfaceDamage();
+    void useEmptyDamage();
     Region getVisibleRegion(const DisplayDevice*) const;
 
     /*
@@ -462,18 +436,18 @@
      * pixel format includes an alpha channel) and the "opaque" flag set
      * on the layer.  It does not examine the current plane alpha value.
      */
-    virtual bool isOpaque(const Layer::State&) const { return false; }
+    bool isOpaque(const Layer::State&) const;
 
     /*
      * Returns whether this layer can receive input.
      */
-    virtual bool canReceiveInput() const;
+    bool canReceiveInput() const;
 
     /*
      * isProtected - true if the layer may contain protected contents in the
      * GRALLOC_USAGE_PROTECTED sense.
      */
-    virtual bool isProtected() const { return false; }
+    bool isProtected() const;
 
     /*
      * isFixedSize - true if content has a fixed size
@@ -483,21 +457,19 @@
     /*
      * usesSourceCrop - true if content should use a source crop
      */
-    virtual bool usesSourceCrop() const { return false; }
+    bool usesSourceCrop() const { return hasBufferOrSidebandStream(); }
 
     // Most layers aren't created from the main thread, and therefore need to
     // grab the SF state lock to access HWC, but ContainerLayer does, so we need
     // to avoid grabbing the lock again to avoid deadlock
     virtual bool isCreatedFromMainThread() const { return false; }
 
-    uint32_t getActiveWidth(const Layer::State& s) const { return s.width; }
-    uint32_t getActiveHeight(const Layer::State& s) const { return s.height; }
     ui::Transform getActiveTransform(const Layer::State& s) const { return s.transform; }
-    virtual Region getActiveTransparentRegion(const Layer::State& s) const {
-        return s.activeTransparentRegion_legacy;
+    Region getActiveTransparentRegion(const Layer::State& s) const {
+        return s.transparentRegionHint;
     }
-    virtual Rect getCrop(const Layer::State& s) const { return s.crop; }
-    virtual bool needsFiltering(const DisplayDevice*) const { return false; }
+    Rect getCrop(const Layer::State& s) const { return s.crop; }
+    bool needsFiltering(const DisplayDevice*) const;
 
     // True if this layer requires filtering
     // This method is distinct from needsFiltering() in how the filter
@@ -508,32 +480,25 @@
     // different.
     // If the parent transform needs to be undone when capturing the layer, then
     // the inverse parent transform is also required.
-    virtual bool needsFilteringForScreenshots(const DisplayDevice*, const ui::Transform&) const {
-        return false;
-    }
+    bool needsFilteringForScreenshots(const DisplayDevice*, const ui::Transform&) const;
 
-    virtual void updateCloneBufferInfo(){};
+    // from graphics API
+    ui::Dataspace translateDataspace(ui::Dataspace dataspace);
+    void updateCloneBufferInfo();
+    uint64_t mPreviousFrameNumber = 0;
 
-    virtual void setDefaultBufferSize(uint32_t /*w*/, uint32_t /*h*/) {}
-
-    virtual bool isHdrY410() const { return false; }
-
-    virtual bool shouldPresentNow(nsecs_t /*expectedPresentTime*/) const { return false; }
+    bool isHdrY410() const;
 
     /*
      * called after composition.
      * returns true if the layer latched a new buffer this frame.
      */
-    virtual void onPostComposition(const DisplayDevice*,
-                                   const std::shared_ptr<FenceTime>& /*glDoneFence*/,
-                                   const std::shared_ptr<FenceTime>& /*presentFence*/,
-                                   const CompositorTiming&) {}
+    void onPostComposition(const DisplayDevice*, const std::shared_ptr<FenceTime>& /*glDoneFence*/,
+                           const std::shared_ptr<FenceTime>& /*presentFence*/,
+                           const CompositorTiming&);
 
     // If a buffer was replaced this frame, release the former buffer
-    virtual void releasePendingBuffer(nsecs_t /*dequeueReadyTime*/) { }
-
-    virtual void finalizeFrameEventHistory(const std::shared_ptr<FenceTime>& /*glDoneFence*/,
-                                           const CompositorTiming& /*compositorTiming*/) {}
+    void releasePendingBuffer(nsecs_t /*dequeueReadyTime*/);
 
     /*
      * latchBuffer - called each time the screen is redrawn and returns whether
@@ -541,88 +506,119 @@
      * operation, so this should be set only if needed). Typically this is used
      * to figure out if the content or size of a surface has changed.
      */
-    virtual bool latchBuffer(bool& /*recomputeVisibleRegions*/, nsecs_t /*latchTime*/,
-                             nsecs_t /*expectedPresentTime*/) {
-        return false;
-    }
+    bool latchBuffer(bool& /*recomputeVisibleRegions*/, nsecs_t /*latchTime*/);
 
-    virtual void latchAndReleaseBuffer() {}
+    /*
+     * Calls latchBuffer if the buffer has a frame queued and then releases the buffer.
+     * This is used if the buffer is just latched and releases to free up the buffer
+     * and will not be shown on screen.
+     * Should only be called on the main thread.
+     */
+    void latchAndReleaseBuffer();
 
     /*
      * returns the rectangle that crops the content of the layer and scales it
      * to the layer's size.
      */
-    virtual Rect getBufferCrop() const { return Rect(); }
+    Rect getBufferCrop() const;
 
     /*
      * Returns the transform applied to the buffer.
      */
-    virtual uint32_t getBufferTransform() const { return 0; }
+    uint32_t getBufferTransform() const;
 
-    virtual sp<GraphicBuffer> getBuffer() const { return nullptr; }
-    virtual const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const {
-        return mDrawingState.buffer;
-    };
+    sp<GraphicBuffer> getBuffer() const;
+    const std::shared_ptr<renderengine::ExternalTexture>& getExternalTexture() const;
 
-    virtual ui::Transform::RotationFlags getTransformHint() const { return ui::Transform::ROT_0; }
+    ui::Transform::RotationFlags getTransformHint() const { return mTransformHint; }
 
     /*
      * Returns if a frame is ready
      */
-    virtual bool hasReadyFrame() const { return false; }
+    bool hasReadyFrame() const;
 
     virtual int32_t getQueuedFrameCount() const { return 0; }
 
     /**
      * Returns active buffer size in the correct orientation. Buffer size is determined by undoing
-     * any buffer transformations. If the layer has no buffer then return INVALID_RECT.
+     * any buffer transformations. Returns Rect::INVALID_RECT if the layer has no buffer or the
+     * layer does not have a display frame and its parent is not bounded.
      */
-    virtual Rect getBufferSize(const Layer::State&) const { return Rect::INVALID_RECT; }
+    Rect getBufferSize(const Layer::State&) const;
 
     /**
      * Returns the source bounds. If the bounds are not defined, it is inferred from the
      * buffer size. Failing that, the bounds are determined from the passed in parent bounds.
      * For the root layer, this is the display viewport size.
      */
-    virtual FloatRect computeSourceBounds(const FloatRect& parentBounds) const {
-        return parentBounds;
-    }
+    FloatRect computeSourceBounds(const FloatRect& parentBounds) const;
     virtual FrameRate getFrameRateForLayerTree() const;
 
-    virtual bool getTransformToDisplayInverse() const { return false; }
+    bool getTransformToDisplayInverse() const;
 
     // Returns how rounded corners should be drawn for this layer.
     // A layer can override its parent's rounded corner settings if the parent's rounded
     // corner crop does not intersect with its own rounded corner crop.
     virtual RoundedCornerState getRoundedCornerState() const;
 
-    bool hasRoundedCorners() const override { return getRoundedCornerState().radius > .0f; }
+    bool hasRoundedCorners() const override { return getRoundedCornerState().hasRoundedCorners(); }
 
-    virtual PixelFormat getPixelFormat() const { return PIXEL_FORMAT_NONE; }
+    PixelFormat getPixelFormat() const;
     /**
-     * Return whether this layer needs an input info. For most layer types
-     * this is only true if they explicitly set an input-info but BufferLayer
-     * overrides this so we can generate input-info for Buffered layers that don't
-     * have them (for input occlusion detection checks).
+     * Return whether this layer needs an input info. We generate InputWindowHandles for all
+     * non-cursor buffered layers regardless of whether they have an InputChannel. This is to enable
+     * the InputDispatcher to do PID based occlusion detection.
      */
-    virtual bool needsInputInfo() const { return hasInputInfo(); }
+    bool needsInputInfo() const {
+        return (hasInputInfo() || hasBufferOrSidebandStream()) && !mPotentialCursor;
+    }
 
     // Implements RefBase.
     void onFirstRef() override;
 
+    struct BufferInfo {
+        nsecs_t mDesiredPresentTime;
+        std::shared_ptr<FenceTime> mFenceTime;
+        sp<Fence> mFence;
+        uint32_t mTransform{0};
+        ui::Dataspace mDataspace{ui::Dataspace::UNKNOWN};
+        Rect mCrop;
+        uint32_t mScaleMode{NATIVE_WINDOW_SCALING_MODE_FREEZE};
+        Region mSurfaceDamage;
+        HdrMetadata mHdrMetadata;
+        int mApi;
+        PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
+        bool mTransformToDisplayInverse{false};
+
+        std::shared_ptr<renderengine::ExternalTexture> mBuffer;
+        uint64_t mFrameNumber;
+        int mBufferSlot{BufferQueue::INVALID_BUFFER_SLOT};
+
+        bool mFrameLatencyNeeded{false};
+    };
+
+    BufferInfo mBufferInfo;
+
     // implements compositionengine::LayerFE
-    const compositionengine::LayerFECompositionState* getCompositionState() const override;
-    bool onPreComposition(nsecs_t) override;
-    void prepareCompositionState(compositionengine::LayerFE::StateSubset subset) override;
-    std::vector<compositionengine::LayerFE::LayerSettings> prepareClientCompositionList(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&) override;
-    void onLayerDisplayed(ftl::SharedFuture<FenceResult>) override;
+    const compositionengine::LayerFECompositionState* getCompositionState() const;
+    bool fenceHasSignaled() const;
+    // Called before composition. updatingOutputGeometryThisFrame is used by ARC++'s Layer subclass.
+    bool onPreComposition(nsecs_t refreshStartTime, bool updatingOutputGeometryThisFrame);
+    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const override;
+    void onLayerDisplayed(ftl::SharedFuture<FenceResult>);
 
     void setWasClientComposed(const sp<Fence>& fence) override {
         mLastClientCompositionFence = fence;
         mClearClientCompositionFenceOnLayerDisplayed = false;
     }
 
+    const LayerMetadata* getMetadata() const override { return &mSnapshot->layerMetadata; }
+
+    const LayerMetadata* getRelativeMetadata() const override {
+        return &mSnapshot->relativeLayerMetadata;
+    }
+
     const char* getDebugName() const override;
 
     bool setShadowRadius(float shadowRadius);
@@ -735,7 +731,7 @@
     inline const State& getDrawingState() const { return mDrawingState; }
     inline State& getDrawingState() { return mDrawingState; }
 
-    LayerDebugInfo getLayerDebugInfo(const DisplayDevice*) const;
+    gui::LayerDebugInfo getLayerDebugInfo(const DisplayDevice*) const;
 
     void miniDump(std::string& result, const DisplayDevice&) const;
     void dumpFrameStats(std::string& result) const;
@@ -889,14 +885,33 @@
 
     bool setStretchEffect(const StretchEffect& effect);
     StretchEffect getStretchEffect() const;
+    bool enableBorder(bool shouldEnable, float width, const half4& color);
+    bool isBorderEnabled();
+    float getBorderWidth();
+    const half4& getBorderColor();
 
-    virtual bool setBufferCrop(const Rect& /* bufferCrop */) { return false; }
-    virtual bool setDestinationFrame(const Rect& /* destinationFrame */) { return false; }
-    virtual std::atomic<int32_t>* getPendingBufferCounter() { return nullptr; }
-    virtual std::string getPendingBufferCounterName() { return ""; }
-    virtual bool updateGeometry() { return false; }
+    bool setBufferCrop(const Rect& /* bufferCrop */);
+    bool setDestinationFrame(const Rect& /* destinationFrame */);
+    // See mPendingBufferTransactions
+    void decrementPendingBufferCount();
+    std::atomic<int32_t>* getPendingBufferCounter() { return &mPendingBufferTransactions; }
+    std::string getPendingBufferCounterName() { return mBlastTransactionName; }
+    bool updateGeometry();
 
-    virtual bool simpleBufferUpdate(const layer_state_t&) const { return false; }
+    bool simpleBufferUpdate(const layer_state_t&) const;
+
+    static bool isOpaqueFormat(PixelFormat format);
+
+    // Updates the LayerSnapshot. This must be called prior to sending layer data to
+    // CompositionEngine or RenderEngine (i.e. before calling CompositionEngine::present or
+    // Layer::prepareClientComposition).
+    //
+    // TODO(b/238781169) Remove direct calls to RenderEngine::drawLayers that don't go through
+    // CompositionEngine to create a single path for composing layers.
+    void updateSnapshot(bool updateGeometry);
+    void updateMetadataSnapshot(const LayerMetadata& parentMetadata);
+    void updateRelativeMetadataSnapshot(const LayerMetadata& relativeLayerMetadata,
+                                        std::unordered_set<Layer*>& visited);
 
 protected:
     friend class impl::SurfaceInterceptor;
@@ -910,16 +925,12 @@
     friend class TransactionSurfaceFrameTest;
 
     virtual void setInitialValuesForClone(const sp<Layer>& clonedFrom);
-    virtual std::optional<compositionengine::LayerFE::LayerSettings> prepareClientComposition(
-            compositionengine::LayerFE::ClientCompositionTargetSettings&);
-    virtual void preparePerFrameCompositionState();
+    void preparePerFrameCompositionState();
+    void preparePerFrameBufferCompositionState();
+    void preparePerFrameEffectsCompositionState();
     virtual void commitTransaction(State& stateToCommit);
-    virtual void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>&) {}
-
-    // Returns mCurrentScaling mode (originating from the
-    // Client) or mOverrideScalingMode mode (originating from
-    // the Surface Controller) if set.
-    virtual uint32_t getEffectiveScalingMode() const { return 0; }
+    void gatherBufferInfo();
+    void onSurfaceFrameCreated(const std::shared_ptr<frametimeline::SurfaceFrame>&);
 
     sp<compositionengine::LayerFE> asLayerFE() const;
     sp<Layer> getClonedFrom() { return mClonedFrom != nullptr ? mClonedFrom.promote() : nullptr; }
@@ -937,7 +948,8 @@
     // Modifies the passed in layer settings to clear the contents. If the blackout flag is set,
     // the settings clears the content with a solid black fill.
     void prepareClearClientComposition(LayerFE::LayerSettings&, bool blackout) const;
-    void prepareShadowClientComposition(LayerFE::LayerSettings& caster, const Rect& layerStackRect);
+    void prepareShadowClientComposition(LayerFE::LayerSettings& caster,
+                                        const Rect& layerStackRect) const;
 
     void prepareBasicGeometryCompositionState();
     void prepareGeometryCompositionState();
@@ -971,7 +983,7 @@
      * "replaceTouchableRegionWithCrop" is specified. In this case, the layer will receive input
      * in this layer's space, regardless of the specified crop layer.
      */
-    virtual Rect getInputBounds() const;
+    Rect getInputBounds() const;
 
     // constant
     sp<SurfaceFlinger> mFlinger;
@@ -1042,7 +1054,14 @@
     sp<Fence> mLastClientCompositionFence;
     bool mClearClientCompositionFenceOnLayerDisplayed = false;
 private:
-    virtual void setTransformHint(ui::Transform::RotationFlags) {}
+    friend class SlotGenerationTest;
+    friend class TransactionFrameTracerTest;
+    friend class TransactionSurfaceFrameTest;
+
+    bool getAutoRefresh() const { return mDrawingState.autoRefresh; }
+    bool getSidebandStreamChanged() const { return mSidebandStreamChanged; }
+
+    std::atomic<bool> mSidebandStreamChanged{false};
 
     // Returns true if the layer can draw shadows on its border.
     virtual bool canDrawShadows() const { return true; }
@@ -1087,6 +1106,52 @@
     // Fills in the frame and transform info for the gui::WindowInfo.
     void fillInputFrameInfo(gui::WindowInfo&, const ui::Transform& screenToDisplay);
 
+    // Computes the transform matrix using the setFilteringEnabled to determine whether the
+    // transform matrix should be computed for use with bilinear filtering.
+    void getDrawingTransformMatrix(bool filteringEnabled, float outMatrix[16]) const;
+
+    inline void tracePendingBufferCount(int32_t pendingBuffers);
+
+    // Latch sideband stream and returns true if the dirty region should be updated.
+    bool latchSidebandStream(bool& recomputeVisibleRegions);
+
+    bool hasFrameUpdate() const;
+
+    void updateTexImage(nsecs_t latchTime);
+
+    // Crop that applies to the buffer
+    Rect computeBufferCrop(const State& s);
+
+    bool willPresentCurrentTransaction() const;
+
+    // Returns true if the transformed buffer size does not match the layer size and we need
+    // to apply filtering.
+    bool bufferNeedsFiltering() const;
+
+    void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
+                                   const sp<GraphicBuffer>& buffer, uint64_t framenumber,
+                                   const sp<Fence>& releaseFence,
+                                   uint32_t currentMaxAcquiredBufferCount);
+
+    std::optional<compositionengine::LayerFE::LayerSettings> prepareClientCompositionInternal(
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+    // Returns true if there is a valid color to fill.
+    bool fillsColor() const;
+    // Returns true if this layer has a blur value.
+    bool hasBlur() const;
+    bool hasEffect() const { return fillsColor() || drawShadows() || hasBlur(); }
+    bool hasBufferOrSidebandStream() const {
+        return ((mSidebandStream != nullptr) || (mBufferInfo.mBuffer != nullptr));
+    }
+
+    bool hasSomethingToDraw() const { return hasEffect() || hasBufferOrSidebandStream(); }
+    void prepareBufferStateClientComposition(
+            compositionengine::LayerFE::LayerSettings&,
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+    void prepareEffectsClientComposition(
+            compositionengine::LayerFE::LayerSettings&,
+            compositionengine::LayerFE::ClientCompositionTargetSettings&) const;
+
     // Cached properties computed from drawing state
     // Effective transform taking into account parent transforms and any parent scaling, which is
     // a transform from the current layer coordinate space to display(screen) coordinate space.
@@ -1130,7 +1195,55 @@
     bool mIsAtRoot = false;
 
     uint32_t mLayerCreationFlags;
+
     bool findInHierarchy(const sp<Layer>&);
+
+    bool mBorderEnabled = false;
+    float mBorderWidth;
+    half4 mBorderColor;
+
+    void setTransformHint(ui::Transform::RotationFlags);
+
+    const uint32_t mTextureName;
+
+    // Transform hint provided to the producer. This must be accessed holding
+    // the mStateLock.
+    ui::Transform::RotationFlags mTransformHint = ui::Transform::ROT_0;
+
+    ReleaseCallbackId mPreviousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
+    uint64_t mPreviousReleasedFrameNumber = 0;
+
+    uint64_t mPreviousBarrierFrameNumber = 0;
+
+    bool mReleasePreviousBuffer = false;
+
+    // Stores the last set acquire fence signal time used to populate the callback handle's acquire
+    // time.
+    std::variant<nsecs_t, sp<Fence>> mCallbackHandleAcquireTimeOrFence = -1;
+
+    std::deque<std::shared_ptr<android::frametimeline::SurfaceFrame>> mPendingJankClassifications;
+    // An upper bound on the number of SurfaceFrames in the pending classifications deque.
+    static constexpr int kPendingClassificationMaxSurfaceFrames = 25;
+
+    const std::string mBlastTransactionName{"BufferTX - " + mName};
+    // This integer is incremented everytime a buffer arrives at the server for this layer,
+    // and decremented when a buffer is dropped or latched. When changed the integer is exported
+    // to systrace with ATRACE_INT and mBlastTransactionName. This way when debugging perf it is
+    // possible to see when a buffer arrived at the server, and in which frame it latched.
+    //
+    // You can understand the trace this way:
+    //     - If the integer increases, a buffer arrived at the server.
+    //     - If the integer decreases in latchBuffer, that buffer was latched
+    //     - If the integer decreases in setBuffer or doTransaction, a buffer was dropped
+    std::atomic<int32_t> mPendingBufferTransactions{0};
+
+    // Contains requested position and matrix updates. This will be applied if the client does
+    // not specify a destination frame.
+    ui::Transform mRequestedTransform;
+
+    sp<HwcSlotGenerator> mHwcSlotGenerator;
+
+    std::unique_ptr<LayerSnapshot> mSnapshot = std::make_unique<LayerSnapshot>();
 };
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate);
diff --git a/services/surfaceflinger/LayerRejecter.cpp b/services/surfaceflinger/LayerRejecter.cpp
deleted file mode 100644
index 1c0263b..0000000
--- a/services/surfaceflinger/LayerRejecter.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#include "LayerRejecter.h"
-
-#include <gui/BufferItem.h>
-#include <system/window.h>
-
-#define DEBUG_RESIZE 0
-
-namespace android {
-
-LayerRejecter::LayerRejecter(Layer::State& front, Layer::State& current,
-                             bool& recomputeVisibleRegions, bool stickySet, const std::string& name,
-                             bool transformToDisplayInverse)
-      : mFront(front),
-        mCurrent(current),
-        mRecomputeVisibleRegions(recomputeVisibleRegions),
-        mStickyTransformSet(stickySet),
-        mName(name),
-        mTransformToDisplayInverse(transformToDisplayInverse) {}
-
-bool LayerRejecter::reject(const sp<GraphicBuffer>& buf, const BufferItem& item) {
-    if (buf == nullptr) {
-        return false;
-    }
-
-    uint32_t bufWidth = buf->getWidth();
-    uint32_t bufHeight = buf->getHeight();
-
-    // check that we received a buffer of the right size
-    // (Take the buffer's orientation into account)
-    if (item.mTransform & ui::Transform::ROT_90) {
-        std::swap(bufWidth, bufHeight);
-    }
-
-    if (mTransformToDisplayInverse) {
-        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
-        if (invTransform & ui::Transform::ROT_90) {
-            std::swap(bufWidth, bufHeight);
-        }
-    }
-
-    int actualScalingMode = item.mScalingMode;
-    bool isFixedSize = actualScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
-    if (mFront.active_legacy != mFront.requested_legacy) {
-        if (isFixedSize ||
-            (bufWidth == mFront.requested_legacy.w && bufHeight == mFront.requested_legacy.h)) {
-            // Here we pretend the transaction happened by updating the
-            // current and drawing states. Drawing state is only accessed
-            // in this thread, no need to have it locked
-            mFront.active_legacy = mFront.requested_legacy;
-
-            // We also need to update the current state so that
-            // we don't end-up overwriting the drawing state with
-            // this stale current state during the next transaction
-            //
-            // NOTE: We don't need to hold the transaction lock here
-            // because State::active_legacy is only accessed from this thread.
-            mCurrent.active_legacy = mFront.active_legacy;
-            mCurrent.modified = true;
-
-            // recompute visible region
-            mRecomputeVisibleRegions = true;
-
-            if (mFront.crop != mFront.requestedCrop) {
-                mFront.crop = mFront.requestedCrop;
-                mCurrent.crop = mFront.requestedCrop;
-                mRecomputeVisibleRegions = true;
-            }
-        }
-
-        ALOGD_IF(DEBUG_RESIZE,
-                 "[%s] latchBuffer/reject: buffer (%ux%u, tr=%02x), scalingMode=%d\n"
-                 "  drawing={ active_legacy   ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} "
-                 "(%4d,%4d) "
-                 "}\n"
-                 "            requested_legacy={ wh={%4u,%4u} }}\n",
-                 mName.c_str(), bufWidth, bufHeight, item.mTransform, item.mScalingMode,
-                 mFront.active_legacy.w, mFront.active_legacy.h, mFront.crop.left, mFront.crop.top,
-                 mFront.crop.right, mFront.crop.bottom, mFront.crop.getWidth(),
-                 mFront.crop.getHeight(), mFront.requested_legacy.w, mFront.requested_legacy.h);
-    }
-
-    if (!isFixedSize && !mStickyTransformSet) {
-        if (mFront.active_legacy.w != bufWidth || mFront.active_legacy.h != bufHeight) {
-            // reject this buffer
-            ALOGE("[%s] rejecting buffer: "
-                  "bufWidth=%d, bufHeight=%d, front.active_legacy.{w=%d, h=%d}",
-                  mName.c_str(), bufWidth, bufHeight, mFront.active_legacy.w,
-                  mFront.active_legacy.h);
-            return true;
-        }
-    }
-
-    // if the transparent region has changed (this test is
-    // conservative, but that's fine, worst case we're doing
-    // a bit of extra work), we latch the new one and we
-    // trigger a visible-region recompute.
-    //
-    // We latch the transparent region here, instead of above where we latch
-    // the rest of the geometry because it is only content but not necessarily
-    // resize dependent.
-    if (!mFront.activeTransparentRegion_legacy.hasSameRects(
-                mFront.requestedTransparentRegion_legacy)) {
-        mFront.activeTransparentRegion_legacy = mFront.requestedTransparentRegion_legacy;
-
-        // We also need to update the current state so that
-        // we don't end-up overwriting the drawing state with
-        // this stale current state during the next transaction
-        //
-        // NOTE: We don't need to hold the transaction lock here
-        // because State::active_legacy is only accessed from this thread.
-        mCurrent.activeTransparentRegion_legacy = mFront.activeTransparentRegion_legacy;
-
-        // recompute visible region
-        mRecomputeVisibleRegions = true;
-    }
-
-    return false;
-}
-
-}  // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/LayerRejecter.h b/services/surfaceflinger/LayerRejecter.h
deleted file mode 100644
index 4981f45..0000000
--- a/services/surfaceflinger/LayerRejecter.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "Layer.h"
-#include "BufferLayerConsumer.h"
-
-namespace android {
-
-class LayerRejecter : public BufferLayerConsumer::BufferRejecter {
-public:
-    LayerRejecter(Layer::State& front, Layer::State& current, bool& recomputeVisibleRegions,
-                  bool stickySet, const std::string& name,
-                  bool transformToDisplayInverse);
-
-    virtual bool reject(const sp<GraphicBuffer>&, const BufferItem&);
-
-private:
-    Layer::State& mFront;
-    Layer::State& mCurrent;
-    bool& mRecomputeVisibleRegions;
-    const bool mStickyTransformSet;
-    const std::string& mName;
-    const bool mTransformToDisplayInverse;
-};
-
-} // namespace android
diff --git a/services/surfaceflinger/LayerRenderArea.cpp b/services/surfaceflinger/LayerRenderArea.cpp
index 896f254..6bc7dc1 100644
--- a/services/surfaceflinger/LayerRenderArea.cpp
+++ b/services/surfaceflinger/LayerRenderArea.cpp
@@ -17,7 +17,6 @@
 #include <ui/GraphicTypes.h>
 #include <ui/Transform.h>
 
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
 #include "Layer.h"
 #include "LayerRenderArea.h"
@@ -110,8 +109,9 @@
         // layer which has no properties set and which does not draw.
         //  We hold the statelock as the reparent-for-drawing operation modifies the
         //  hierarchy and there could be readers on Binder threads, like dump.
-        sp<ContainerLayer> screenshotParentLayer = mFlinger.getFactory().createContainerLayer(
-                  {&mFlinger, nullptr, "Screenshot Parent"s, 0, LayerMetadata()});
+        auto screenshotParentLayer = mFlinger.getFactory().createEffectLayer(
+                {&mFlinger, nullptr, "Screenshot Parent"s, ISurfaceComposerClient::eNoColorFill,
+                 LayerMetadata()});
         {
             Mutex::Autolock _l(mFlinger.mStateLock);
             reparentForDrawing(mLayer, screenshotParentLayer, sourceCrop);
diff --git a/services/surfaceflinger/LocklessQueue.h b/services/surfaceflinger/LocklessQueue.h
new file mode 100644
index 0000000..6b63360
--- /dev/null
+++ b/services/surfaceflinger/LocklessQueue.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <atomic>
+#include <optional>
+
+template <typename T>
+// Single consumer multi producer stack. We can understand the two operations independently to see
+// why they are without race condition.
+//
+// push is responsible for maintaining a linked list stored in mPush, and called from multiple
+// threads without lock. We can see that if two threads never observe the same value from
+// mPush.load, it just functions as a normal linked list. In the case where two threads observe the
+// same value, one of them has to execute the compare_exchange first. The one that doesn't execute
+// the compare exchange first, will receive false from compare_exchange. previousHead is updated (by
+// compare_exchange) to the most recent value of mPush, and we try again. It's relatively clear to
+// see that the process can repeat with an arbitrary number of threads.
+//
+// Pop is much simpler. If mPop is empty (as it begins) it atomically exchanges
+// the entire push list with null. This is safe, since the only other reader (push)
+// of mPush will retry if it changes in between it's read and atomic compare. We
+// then store the list and pop one element.
+//
+// If we already had something in the pop list we just pop directly.
+class LocklessQueue {
+public:
+    class Entry {
+    public:
+        T mValue;
+        std::atomic<Entry*> mNext;
+        Entry(T value) : mValue(value) {}
+    };
+    std::atomic<Entry*> mPush = nullptr;
+    std::atomic<Entry*> mPop = nullptr;
+    bool isEmpty() { return (mPush.load() == nullptr) && (mPop.load() == nullptr); }
+
+    void push(T value) {
+        Entry* entry = new Entry(value);
+        Entry* previousHead = mPush.load(/*std::memory_order_relaxed*/);
+        do {
+            entry->mNext = previousHead;
+        } while (!mPush.compare_exchange_weak(previousHead, entry)); /*std::memory_order_release*/
+    }
+    std::optional<T> pop() {
+        Entry* popped = mPop.load(/*std::memory_order_acquire*/);
+        if (popped) {
+            // Single consumer so this is fine
+            mPop.store(popped->mNext /* , std::memory_order_release */);
+            auto value = popped->mValue;
+            delete popped;
+            return std::move(value);
+        } else {
+            Entry* grabbedList = mPush.exchange(nullptr /* , std::memory_order_acquire */);
+            if (!grabbedList) return std::nullopt;
+            // Reverse the list
+            while (grabbedList->mNext) {
+                Entry* next = grabbedList->mNext;
+                grabbedList->mNext = popped;
+                popped = grabbedList;
+                grabbedList = next;
+            }
+            mPop.store(popped /* , std::memory_order_release */);
+            auto value = grabbedList->mValue;
+            delete grabbedList;
+            return std::move(value);
+        }
+    }
+};
diff --git a/services/surfaceflinger/MonitoredProducer.cpp b/services/surfaceflinger/MonitoredProducer.cpp
deleted file mode 100644
index df76f50..0000000
--- a/services/surfaceflinger/MonitoredProducer.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
-#include "MonitoredProducer.h"
-#include "Layer.h"
-#include "SurfaceFlinger.h"
-
-#include "Scheduler/MessageQueue.h"
-
-namespace android {
-
-MonitoredProducer::MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-        const sp<SurfaceFlinger>& flinger,
-        const wp<Layer>& layer) :
-    mProducer(producer),
-    mFlinger(flinger),
-    mLayer(layer) {}
-
-MonitoredProducer::~MonitoredProducer() {}
-
-status_t MonitoredProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    return mProducer->requestBuffer(slot, buf);
-}
-
-status_t MonitoredProducer::setMaxDequeuedBufferCount(
-        int maxDequeuedBuffers) {
-    return mProducer->setMaxDequeuedBufferCount(maxDequeuedBuffers);
-}
-
-status_t MonitoredProducer::setAsyncMode(bool async) {
-    return mProducer->setAsyncMode(async);
-}
-
-status_t MonitoredProducer::dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h,
-                                          PixelFormat format, uint64_t usage,
-                                          uint64_t* outBufferAge,
-                                          FrameEventHistoryDelta* outTimestamps) {
-    return mProducer->dequeueBuffer(slot, fence, w, h, format, usage, outBufferAge, outTimestamps);
-}
-
-status_t MonitoredProducer::detachBuffer(int slot) {
-    return mProducer->detachBuffer(slot);
-}
-
-status_t MonitoredProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence) {
-    return mProducer->detachNextBuffer(outBuffer, outFence);
-}
-
-status_t MonitoredProducer::attachBuffer(int* outSlot,
-        const sp<GraphicBuffer>& buffer) {
-    return mProducer->attachBuffer(outSlot, buffer);
-}
-
-status_t MonitoredProducer::queueBuffer(int slot, const QueueBufferInput& input,
-        QueueBufferOutput* output) {
-    return mProducer->queueBuffer(slot, input, output);
-}
-
-status_t MonitoredProducer::cancelBuffer(int slot, const sp<Fence>& fence) {
-    return mProducer->cancelBuffer(slot, fence);
-}
-
-int MonitoredProducer::query(int what, int* value) {
-    return mProducer->query(what, value);
-}
-
-status_t MonitoredProducer::connect(const sp<IProducerListener>& listener,
-        int api, bool producerControlledByApp, QueueBufferOutput* output) {
-    return mProducer->connect(listener, api, producerControlledByApp, output);
-}
-
-status_t MonitoredProducer::disconnect(int api, DisconnectMode mode) {
-    return mProducer->disconnect(api, mode);
-}
-
-status_t MonitoredProducer::setSidebandStream(const sp<NativeHandle>& stream) {
-    return mProducer->setSidebandStream(stream);
-}
-
-void MonitoredProducer::allocateBuffers(uint32_t width, uint32_t height,
-        PixelFormat format, uint64_t usage) {
-    mProducer->allocateBuffers(width, height, format, usage);
-}
-
-status_t MonitoredProducer::allowAllocation(bool allow) {
-    return mProducer->allowAllocation(allow);
-}
-
-status_t MonitoredProducer::setGenerationNumber(uint32_t generationNumber) {
-    return mProducer->setGenerationNumber(generationNumber);
-}
-
-String8 MonitoredProducer::getConsumerName() const {
-    return mProducer->getConsumerName();
-}
-
-status_t MonitoredProducer::setSharedBufferMode(bool sharedBufferMode) {
-    return mProducer->setSharedBufferMode(sharedBufferMode);
-}
-
-status_t MonitoredProducer::setAutoRefresh(bool autoRefresh) {
-    return mProducer->setAutoRefresh(autoRefresh);
-}
-
-status_t MonitoredProducer::setDequeueTimeout(nsecs_t timeout) {
-    return mProducer->setDequeueTimeout(timeout);
-}
-
-status_t MonitoredProducer::setLegacyBufferDrop(bool drop) {
-    return mProducer->setLegacyBufferDrop(drop);
-}
-
-status_t MonitoredProducer::getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence, float outTransformMatrix[16]) {
-    return mProducer->getLastQueuedBuffer(outBuffer, outFence,
-            outTransformMatrix);
-}
-
-status_t MonitoredProducer::getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence,
-                                                Rect* outRect, uint32_t* outTransform) {
-    return mProducer->getLastQueuedBuffer(outBuffer, outFence, outRect, outTransform);
-}
-
-void MonitoredProducer::getFrameTimestamps(FrameEventHistoryDelta* outDelta) {
-    mProducer->getFrameTimestamps(outDelta);
-}
-
-status_t MonitoredProducer::getUniqueId(uint64_t* outId) const {
-    return mProducer->getUniqueId(outId);
-}
-
-status_t MonitoredProducer::getConsumerUsage(uint64_t* outUsage) const {
-    return mProducer->getConsumerUsage(outUsage);
-}
-
-status_t MonitoredProducer::setAutoPrerotation(bool autoPrerotation) {
-    return mProducer->setAutoPrerotation(autoPrerotation);
-}
-
-IBinder* MonitoredProducer::onAsBinder() {
-    return this;
-}
-
-sp<Layer> MonitoredProducer::getLayer() const {
-    return mLayer.promote();
-}
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/MonitoredProducer.h b/services/surfaceflinger/MonitoredProducer.h
deleted file mode 100644
index 3778277..0000000
--- a/services/surfaceflinger/MonitoredProducer.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_MONITORED_PRODUCER_H
-#define ANDROID_MONITORED_PRODUCER_H
-
-#include <gui/IGraphicBufferProducer.h>
-
-namespace android {
-
-class IProducerListener;
-class NativeHandle;
-class SurfaceFlinger;
-class Layer;
-
-// MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will
-// be notified upon its destruction
-class MonitoredProducer : public BnGraphicBufferProducer {
-public:
-    MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-            const sp<SurfaceFlinger>& flinger,
-            const wp<Layer>& layer);
-    virtual ~MonitoredProducer();
-
-    // From IGraphicBufferProducer
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-    virtual status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers);
-    virtual status_t setAsyncMode(bool async);
-    virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h,
-                                   PixelFormat format, uint64_t usage, uint64_t* outBufferAge,
-                                   FrameEventHistoryDelta* outTimestamps);
-    virtual status_t detachBuffer(int slot);
-    virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence);
-    virtual status_t attachBuffer(int* outSlot,
-            const sp<GraphicBuffer>& buffer);
-    virtual status_t queueBuffer(int slot, const QueueBufferInput& input,
-            QueueBufferOutput* output);
-    virtual status_t cancelBuffer(int slot, const sp<Fence>& fence);
-    virtual int query(int what, int* value);
-    virtual status_t connect(const sp<IProducerListener>& token, int api,
-            bool producerControlledByApp, QueueBufferOutput* output);
-    virtual status_t disconnect(int api, DisconnectMode mode);
-    virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
-    virtual void allocateBuffers(uint32_t width, uint32_t height,
-            PixelFormat format, uint64_t usage);
-    virtual status_t allowAllocation(bool allow);
-    virtual status_t setGenerationNumber(uint32_t generationNumber);
-    virtual String8 getConsumerName() const override;
-    virtual status_t setDequeueTimeout(nsecs_t timeout) override;
-    virtual status_t setLegacyBufferDrop(bool drop) override;
-    virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence, float outTransformMatrix[16]) override;
-    virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence,
-                                         Rect* outRect, uint32_t* outTransform) override;
-    virtual IBinder* onAsBinder();
-    virtual status_t setSharedBufferMode(bool sharedBufferMode) override;
-    virtual status_t setAutoRefresh(bool autoRefresh) override;
-    virtual void getFrameTimestamps(FrameEventHistoryDelta *outDelta) override;
-    virtual status_t getUniqueId(uint64_t* outId) const override;
-    virtual status_t getConsumerUsage(uint64_t* outUsage) const override;
-    virtual status_t setAutoPrerotation(bool autoPrerotation) override;
-
-    // The Layer which created this producer, and on which queued Buffer's will be displayed.
-    sp<Layer> getLayer() const;
-
-private:
-    sp<IGraphicBufferProducer> mProducer;
-    sp<SurfaceFlinger> mFlinger;
-    // The Layer which created this producer, and on which queued Buffer's will be displayed.
-    wp<Layer> mLayer;
-};
-
-}; // namespace android
-
-#endif // ANDROID_MONITORED_PRODUCER_H
diff --git a/services/surfaceflinger/NativeWindowSurface.cpp b/services/surfaceflinger/NativeWindowSurface.cpp
index 3fff928..a6a3eec 100644
--- a/services/surfaceflinger/NativeWindowSurface.cpp
+++ b/services/surfaceflinger/NativeWindowSurface.cpp
@@ -30,7 +30,7 @@
     class NativeWindowSurface final : public surfaceflinger::NativeWindowSurface {
     public:
         explicit NativeWindowSurface(const sp<IGraphicBufferProducer>& producer)
-              : mSurface(new Surface(producer, /* controlledByApp */ false)) {}
+              : mSurface(sp<Surface>::make(producer, /* controlledByApp */ false)) {}
 
         ~NativeWindowSurface() override = default;
 
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index a9180d4..9b19afb 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -152,13 +152,13 @@
             }
         }();
 
-        sp<GraphicBuffer> buffer =
-                new GraphicBuffer(static_cast<uint32_t>(bufferWidth),
-                                  static_cast<uint32_t>(bufferHeight), HAL_PIXEL_FORMAT_RGBA_8888,
-                                  1,
-                                  GRALLOC_USAGE_SW_WRITE_RARELY | GRALLOC_USAGE_HW_COMPOSER |
-                                          GRALLOC_USAGE_HW_TEXTURE,
-                                  "RefreshRateOverlayBuffer");
+        const auto kUsageFlags =
+                static_cast<uint64_t>(GRALLOC_USAGE_SW_WRITE_RARELY | GRALLOC_USAGE_HW_COMPOSER |
+                                      GRALLOC_USAGE_HW_TEXTURE);
+        sp<GraphicBuffer> buffer = sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                                           static_cast<uint32_t>(bufferHeight),
+                                                           HAL_PIXEL_FORMAT_RGBA_8888, 1u,
+                                                           kUsageFlags, "RefreshRateOverlayBuffer");
 
         const status_t bufferStatus = buffer->initCheck();
         LOG_ALWAYS_FATAL_IF(bufferStatus != OK, "RefreshRateOverlay: Buffer failed to allocate: %d",
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 2487dbd..8dd3b0f 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -132,7 +132,7 @@
 void RegionSamplingThread::addListener(const Rect& samplingArea, const wp<Layer>& stopLayer,
                                        const sp<IRegionSamplingListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     std::lock_guard lock(mSamplingMutex);
     mDescriptors.emplace(wp<IBinder>(asBinder), Descriptor{samplingArea, stopLayer, listener});
 }
@@ -203,25 +203,14 @@
         return 0.0f;
     }
 
-    // (b/133849373) ROT_90 screencap images produced upside down
-    auto area = sample_area;
-    if (orientation & ui::Transform::ROT_90) {
-        area.top = height - area.top;
-        area.bottom = height - area.bottom;
-        std::swap(area.top, area.bottom);
-
-        area.left = width - area.left;
-        area.right = width - area.right;
-        std::swap(area.left, area.right);
-    }
-
-    const uint32_t pixelCount = (area.bottom - area.top) * (area.right - area.left);
+    const uint32_t pixelCount =
+            (sample_area.bottom - sample_area.top) * (sample_area.right - sample_area.left);
     uint32_t accumulatedLuma = 0;
 
     // Calculates luma with approximation of Rec. 709 primaries
-    for (int32_t row = area.top; row < area.bottom; ++row) {
+    for (int32_t row = sample_area.top; row < sample_area.bottom; ++row) {
         const uint32_t* rowBase = data + row * stride;
-        for (int32_t column = area.left; column < area.right; ++column) {
+        for (int32_t column = sample_area.left; column < sample_area.right; ++column) {
             uint32_t pixel = rowBase[column];
             const uint32_t r = pixel & 0xFF;
             const uint32_t g = (pixel >> 8) & 0xFF;
@@ -344,8 +333,8 @@
         const uint32_t usage =
                 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
         sp<GraphicBuffer> graphicBuffer =
-                new GraphicBuffer(sampledBounds.getWidth(), sampledBounds.getHeight(),
-                                  PIXEL_FORMAT_RGBA_8888, 1, usage, "RegionSamplingThread");
+                sp<GraphicBuffer>::make(sampledBounds.getWidth(), sampledBounds.getHeight(),
+                                        PIXEL_FORMAT_RGBA_8888, 1, usage, "RegionSamplingThread");
         const status_t bufferStatus = graphicBuffer->initCheck();
         LOG_ALWAYS_FATAL_IF(bufferStatus != OK, "captureSample: Buffer failed to allocate: %d",
                             bufferStatus);
diff --git a/services/surfaceflinger/Scheduler/Android.bp b/services/surfaceflinger/Scheduler/Android.bp
index 5de796d..5bd8a99 100644
--- a/services/surfaceflinger/Scheduler/Android.bp
+++ b/services/surfaceflinger/Scheduler/Android.bp
@@ -18,6 +18,7 @@
         "libbase",
         "libcutils",
         "liblog",
+        "libui",
         "libutils",
     ],
 }
@@ -39,6 +40,7 @@
     name: "libscheduler",
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "src/PresentLatencyTracker.cpp",
         "src/Timer.cpp",
     ],
     local_include_dirs: ["include"],
@@ -50,6 +52,7 @@
     test_suites: ["device-tests"],
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "tests/PresentLatencyTrackerTest.cpp",
         "tests/TimerTest.cpp",
     ],
     static_libs: [
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index 639ba5a..d3f53c1 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -157,9 +157,9 @@
 
 } // namespace
 
-EventThreadConnection::EventThreadConnection(
-        EventThread* eventThread, uid_t callingUid, ResyncCallback resyncCallback,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration)
+EventThreadConnection::EventThreadConnection(EventThread* eventThread, uid_t callingUid,
+                                             ResyncCallback resyncCallback,
+                                             EventRegistrationFlags eventRegistration)
       : resyncCallback(std::move(resyncCallback)),
         mOwnerUid(callingUid),
         mEventRegistration(eventRegistration),
@@ -173,7 +173,7 @@
 
 void EventThreadConnection::onFirstRef() {
     // NOTE: mEventThread doesn't hold a strong reference on us
-    mEventThread->registerDisplayEventConnection(this);
+    mEventThread->registerDisplayEventConnection(sp<EventThreadConnection>::fromExisting(this));
 }
 
 binder::Status EventThreadConnection::stealReceiveChannel(gui::BitTube* outChannel) {
@@ -188,20 +188,22 @@
 }
 
 binder::Status EventThreadConnection::setVsyncRate(int rate) {
-    mEventThread->setVsyncRate(static_cast<uint32_t>(rate), this);
+    mEventThread->setVsyncRate(static_cast<uint32_t>(rate),
+                               sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
 binder::Status EventThreadConnection::requestNextVsync() {
     ATRACE_CALL();
-    mEventThread->requestNextVsync(this);
+    mEventThread->requestNextVsync(sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
 binder::Status EventThreadConnection::getLatestVsyncEventData(
         ParcelableVsyncEventData* outVsyncEventData) {
     ATRACE_CALL();
-    outVsyncEventData->vsync = mEventThread->getLatestVsyncEventData(this);
+    outVsyncEventData->vsync =
+            mEventThread->getLatestVsyncEventData(sp<EventThreadConnection>::fromExisting(this));
     return binder::Status::ok();
 }
 
@@ -288,11 +290,10 @@
 }
 
 sp<EventThreadConnection> EventThread::createEventConnection(
-        ResyncCallback resyncCallback,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) const {
-    return new EventThreadConnection(const_cast<EventThread*>(this),
-                                     IPCThreadState::self()->getCallingUid(),
-                                     std::move(resyncCallback), eventRegistration);
+        ResyncCallback resyncCallback, EventRegistrationFlags eventRegistration) const {
+    return sp<EventThreadConnection>::make(const_cast<EventThread*>(this),
+                                           IPCThreadState::self()->getCallingUid(),
+                                           std::move(resyncCallback), eventRegistration);
 }
 
 status_t EventThread::registerDisplayEventConnection(const sp<EventThreadConnection>& connection) {
@@ -553,7 +554,7 @@
 
         case DisplayEventReceiver::DISPLAY_EVENT_MODE_CHANGE: {
             return connection->mEventRegistration.test(
-                    ISurfaceComposer::EventRegistration::modeChanged);
+                    gui::ISurfaceComposer::EventRegistration::modeChanged);
         }
 
         case DisplayEventReceiver::DISPLAY_EVENT_VSYNC:
@@ -586,7 +587,7 @@
             [[fallthrough]];
         case DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH:
             return connection->mEventRegistration.test(
-                    ISurfaceComposer::EventRegistration::frameRateOverride);
+                    gui::ISurfaceComposer::EventRegistration::frameRateOverride);
 
         default:
             return false;
diff --git a/services/surfaceflinger/Scheduler/EventThread.h b/services/surfaceflinger/Scheduler/EventThread.h
index adb96fd..d85d140 100644
--- a/services/surfaceflinger/Scheduler/EventThread.h
+++ b/services/surfaceflinger/Scheduler/EventThread.h
@@ -92,7 +92,7 @@
 class EventThreadConnection : public gui::BnDisplayEventConnection {
 public:
     EventThreadConnection(EventThread*, uid_t callingUid, ResyncCallback,
-                          ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+                          EventRegistrationFlags eventRegistration = {});
     virtual ~EventThreadConnection();
 
     virtual status_t postEvent(const DisplayEventReceiver::Event& event);
@@ -107,7 +107,7 @@
 
     VSyncRequest vsyncRequest = VSyncRequest::None;
     const uid_t mOwnerUid;
-    const ISurfaceComposer::EventRegistrationFlags mEventRegistration;
+    const EventRegistrationFlags mEventRegistration;
 
 private:
     virtual void onFirstRef();
@@ -123,8 +123,7 @@
     virtual ~EventThread();
 
     virtual sp<EventThreadConnection> createEventConnection(
-            ResyncCallback,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) const = 0;
+            ResyncCallback, EventRegistrationFlags eventRegistration = {}) const = 0;
 
     // called before the screen is turned off from main thread
     virtual void onScreenReleased() = 0;
@@ -171,8 +170,7 @@
     ~EventThread();
 
     sp<EventThreadConnection> createEventConnection(
-            ResyncCallback,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) const override;
+            ResyncCallback, EventRegistrationFlags eventRegistration = {}) const override;
 
     status_t registerDisplayEventConnection(const sp<EventThreadConnection>& connection) override;
     void setVsyncRate(uint32_t rate, const sp<EventThreadConnection>& connection) override;
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index 5f64efa..ae111c3 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -72,6 +72,20 @@
 
     ALOGD("%s: %s @ %d Hz", __FUNCTION__, info.getName().c_str(), fps);
 }
+
+LayerHistory::LayerVoteType getVoteType(LayerInfo::FrameRateCompatibility compatibility,
+                                        bool contentDetectionEnabled) {
+    LayerHistory::LayerVoteType voteType;
+    if (!contentDetectionEnabled || compatibility == LayerInfo::FrameRateCompatibility::NoVote) {
+        voteType = LayerHistory::LayerVoteType::NoVote;
+    } else if (compatibility == LayerInfo::FrameRateCompatibility::Min) {
+        voteType = LayerHistory::LayerVoteType::Min;
+    } else {
+        voteType = LayerHistory::LayerVoteType::Heuristic;
+    }
+    return voteType;
+}
+
 } // namespace
 
 LayerHistory::LayerHistory()
@@ -81,10 +95,12 @@
 
 LayerHistory::~LayerHistory() = default;
 
-void LayerHistory::registerLayer(Layer* layer, LayerVoteType type) {
+void LayerHistory::registerLayer(Layer* layer, bool contentDetectionEnabled) {
     std::lock_guard lock(mLock);
     LOG_ALWAYS_FATAL_IF(findLayer(layer->getSequence()).first != LayerStatus::NotFound,
                         "%s already registered", layer->getName().c_str());
+    LayerVoteType type =
+            getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled);
     auto info = std::make_unique<LayerInfo>(layer->getName(), layer->getOwnerUid(), type);
 
     // The layer can be placed on either map, it is assumed that partitionLayers() will be called
@@ -132,6 +148,22 @@
     }
 }
 
+void LayerHistory::setDefaultFrameRateCompatibility(Layer* layer, bool contentDetectionEnabled) {
+    std::lock_guard lock(mLock);
+    auto id = layer->getSequence();
+
+    auto [found, layerPair] = findLayer(id);
+    if (found == LayerStatus::NotFound) {
+        // Offscreen layer
+        ALOGV("%s: %s not registered", __func__, layer->getName().c_str());
+        return;
+    }
+
+    const auto& info = layerPair->second;
+    info->setDefaultLayerVote(
+            getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled));
+}
+
 auto LayerHistory::summarize(const RefreshRateConfigs& configs, nsecs_t now) -> Summary {
     Summary summary;
 
@@ -203,6 +235,8 @@
                 switch (frameRate.type) {
                     case Layer::FrameRateCompatibility::Default:
                         return LayerVoteType::ExplicitDefault;
+                    case Layer::FrameRateCompatibility::Min:
+                        return LayerVoteType::Min;
                     case Layer::FrameRateCompatibility::ExactOrMultiple:
                         return LayerVoteType::ExplicitExactOrMultiple;
                     case Layer::FrameRateCompatibility::NoVote:
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.h b/services/surfaceflinger/Scheduler/LayerHistory.h
index 7b6096f..12bec8d 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.h
+++ b/services/surfaceflinger/Scheduler/LayerHistory.h
@@ -45,7 +45,7 @@
     ~LayerHistory();
 
     // Layers are unregistered when the weak reference expires.
-    void registerLayer(Layer*, LayerVoteType type);
+    void registerLayer(Layer*, bool contentDetectionEnabled);
 
     // Sets the display size. Client is responsible for synchronization.
     void setDisplayArea(uint32_t displayArea) { mDisplayArea = displayArea; }
@@ -63,6 +63,10 @@
     // Marks the layer as active, and records the given state to its history.
     void record(Layer*, nsecs_t presentTime, nsecs_t now, LayerUpdateType updateType);
 
+    // Updates the default frame rate compatibility which takes effect when the app
+    // does not set a preference for refresh rate.
+    void setDefaultFrameRateCompatibility(Layer*, bool contentDetectionEnabled);
+
     using Summary = std::vector<RefreshRateConfigs::LayerRequirement>;
 
     // Rebuilds sets of active/inactive layers, and accumulates stats for active layers.
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.h b/services/surfaceflinger/Scheduler/LayerInfo.h
index 8a3b0b9..28cb24a 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.h
+++ b/services/surfaceflinger/Scheduler/LayerInfo.h
@@ -74,6 +74,8 @@
     enum class FrameRateCompatibility {
         Default, // Layer didn't specify any specific handling strategy
 
+        Min, // Layer needs the minimum frame rate.
+
         Exact, // Layer needs the exact frame rate.
 
         ExactOrMultiple, // Layer needs the exact frame rate (or a multiple of it) to present the
diff --git a/services/surfaceflinger/Scheduler/MessageQueue.cpp b/services/surfaceflinger/Scheduler/MessageQueue.cpp
index f2af85e..e4e65b4 100644
--- a/services/surfaceflinger/Scheduler/MessageQueue.cpp
+++ b/services/surfaceflinger/Scheduler/MessageQueue.cpp
@@ -30,11 +30,11 @@
 
 namespace android::impl {
 
-void MessageQueue::Handler::dispatchFrame(int64_t vsyncId, nsecs_t expectedVsyncTime) {
+void MessageQueue::Handler::dispatchFrame(VsyncId vsyncId, TimePoint expectedVsyncTime) {
     if (!mFramePending.exchange(true)) {
         mVsyncId = vsyncId;
         mExpectedVsyncTime = expectedVsyncTime;
-        mQueue.mLooper->sendMessage(this, Message());
+        mQueue.mLooper->sendMessage(sp<MessageHandler>::fromExisting(this), Message());
     }
 }
 
@@ -44,16 +44,7 @@
 
 void MessageQueue::Handler::handleMessage(const Message&) {
     mFramePending.store(false);
-
-    const nsecs_t frameTime = systemTime();
-    auto& compositor = mQueue.mCompositor;
-
-    if (!compositor.commit(frameTime, mVsyncId, mExpectedVsyncTime)) {
-        return;
-    }
-
-    compositor.composite(frameTime, mVsyncId);
-    compositor.sample();
+    mQueue.onFrameSignal(mQueue.mCompositor, mVsyncId, mExpectedVsyncTime);
 }
 
 MessageQueue::MessageQueue(ICompositor& compositor)
@@ -102,16 +93,17 @@
     // Trace VSYNC-sf
     mVsync.value = (mVsync.value + 1) % 2;
 
+    const auto expectedVsyncTime = TimePoint::fromNs(vsyncTime);
     {
         std::lock_guard lock(mVsync.mutex);
-        mVsync.lastCallbackTime = std::chrono::nanoseconds(vsyncTime);
+        mVsync.lastCallbackTime = expectedVsyncTime;
         mVsync.scheduledFrameTime.reset();
     }
 
-    const auto vsyncId = mVsync.tokenManager->generateTokenForPredictions(
-            {targetWakeupTime, readyTime, vsyncTime});
+    const auto vsyncId = VsyncId{mVsync.tokenManager->generateTokenForPredictions(
+            {targetWakeupTime, readyTime, vsyncTime})};
 
-    mHandler->dispatchFrame(vsyncId, vsyncTime);
+    mHandler->dispatchFrame(vsyncId, expectedVsyncTime);
 }
 
 void MessageQueue::initVsync(scheduler::VSyncDispatch& dispatch,
@@ -133,9 +125,10 @@
     std::lock_guard lock(mVsync.mutex);
     mVsync.workDuration = workDuration;
     if (mVsync.scheduledFrameTime) {
-        mVsync.scheduledFrameTime = mVsync.registration->schedule(
-                {mVsync.workDuration.get().count(),
-                 /*readyDuration=*/0, mVsync.lastCallbackTime.count()});
+        mVsync.scheduledFrameTime =
+                mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
+                                               .readyDuration = 0,
+                                               .earliestVsync = mVsync.lastCallbackTime.ns()});
     }
 }
 
@@ -165,13 +158,26 @@
     mLooper->sendMessage(handler, Message());
 }
 
+void MessageQueue::scheduleConfigure() {
+    struct ConfigureHandler : MessageHandler {
+        explicit ConfigureHandler(ICompositor& compositor) : compositor(compositor) {}
+
+        void handleMessage(const Message&) override { compositor.configure(); }
+
+        ICompositor& compositor;
+    };
+
+    // TODO(b/241285876): Batch configure tasks that happen within some duration.
+    postMessage(sp<ConfigureHandler>::make(mCompositor));
+}
+
 void MessageQueue::scheduleFrame() {
     ATRACE_CALL();
 
     {
         std::lock_guard lock(mInjector.mutex);
         if (CC_UNLIKELY(mInjector.connection)) {
-            ALOGD("%s while injecting VSYNC", __FUNCTION__);
+            ALOGD("%s while injecting VSYNC", __func__);
             mInjector.connection->requestNextVsync();
             return;
         }
@@ -181,7 +187,7 @@
     mVsync.scheduledFrameTime =
             mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
                                            .readyDuration = 0,
-                                           .earliestVsync = mVsync.lastCallbackTime.count()});
+                                           .earliestVsync = mVsync.lastCallbackTime.ns()});
 }
 
 void MessageQueue::injectorCallback() {
@@ -190,9 +196,10 @@
     while ((n = DisplayEventReceiver::getEvents(&mInjector.tube, buffer, 8)) > 0) {
         for (int i = 0; i < n; i++) {
             if (buffer[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
-                auto& vsync = buffer[i].vsync;
-                mHandler->dispatchFrame(vsync.vsyncData.preferredVsyncId(),
-                                        vsync.vsyncData.preferredExpectedPresentationTime());
+                auto& vsync = buffer[i].vsync.vsyncData;
+                mHandler->dispatchFrame(VsyncId{vsync.preferredVsyncId()},
+                                        TimePoint::fromNs(
+                                                vsync.preferredExpectedPresentationTime()));
                 break;
             }
         }
diff --git a/services/surfaceflinger/Scheduler/MessageQueue.h b/services/surfaceflinger/Scheduler/MessageQueue.h
index 4082e26..899233a 100644
--- a/services/surfaceflinger/Scheduler/MessageQueue.h
+++ b/services/surfaceflinger/Scheduler/MessageQueue.h
@@ -25,8 +25,12 @@
 #include <android/gui/IDisplayEventConnection.h>
 #include <private/gui/BitTube.h>
 #include <utils/Looper.h>
+#include <utils/StrongPointer.h>
 #include <utils/Timers.h>
 
+#include <scheduler/Time.h>
+#include <scheduler/VsyncId.h>
+
 #include "EventThread.h"
 #include "TracedOrdinal.h"
 #include "VSyncDispatch.h"
@@ -34,8 +38,9 @@
 namespace android {
 
 struct ICompositor {
-    virtual bool commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime) = 0;
-    virtual void composite(nsecs_t frameTime, int64_t vsyncId) = 0;
+    virtual void configure() = 0;
+    virtual bool commit(TimePoint frameTime, VsyncId, TimePoint expectedVsyncTime) = 0;
+    virtual void composite(TimePoint frameTime, VsyncId) = 0;
     virtual void sample() = 0;
 
 protected:
@@ -47,6 +52,9 @@
     template <typename G>
     friend auto makeTask(G&&);
 
+    template <typename... Args>
+    friend sp<Task<F>> sp<Task<F>>::make(Args&&... args);
+
     explicit Task(F&& f) : mTask(std::move(f)) {}
 
     void handleMessage(const Message&) override { mTask(); }
@@ -57,7 +65,7 @@
 
 template <typename F>
 inline auto makeTask(F&& f) {
-    sp<Task<F>> task = new Task<F>(std::move(f));
+    sp<Task<F>> task = sp<Task<F>>::make(std::forward<F>(f));
     return std::make_pair(task, task->mTask.get_future());
 }
 
@@ -71,6 +79,7 @@
     virtual void setInjector(sp<EventThreadConnection>) = 0;
     virtual void waitMessage() = 0;
     virtual void postMessage(sp<MessageHandler>&&) = 0;
+    virtual void scheduleConfigure() = 0;
     virtual void scheduleFrame() = 0;
 
     using Clock = std::chrono::steady_clock;
@@ -84,8 +93,9 @@
     class Handler : public MessageHandler {
         MessageQueue& mQueue;
         std::atomic_bool mFramePending = false;
-        std::atomic<int64_t> mVsyncId = 0;
-        std::atomic<nsecs_t> mExpectedVsyncTime = 0;
+
+        std::atomic<VsyncId> mVsyncId;
+        std::atomic<TimePoint> mExpectedVsyncTime;
 
     public:
         explicit Handler(MessageQueue& queue) : mQueue(queue) {}
@@ -93,7 +103,7 @@
 
         bool isFramePending() const;
 
-        virtual void dispatchFrame(int64_t vsyncId, nsecs_t expectedVsyncTime);
+        virtual void dispatchFrame(VsyncId, TimePoint expectedVsyncTime);
     };
 
     friend class Handler;
@@ -104,6 +114,8 @@
     void vsyncCallback(nsecs_t vsyncTime, nsecs_t targetWakeupTime, nsecs_t readyTime);
 
 private:
+    virtual void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) = 0;
+
     ICompositor& mCompositor;
     const sp<Looper> mLooper;
     const sp<Handler> mHandler;
@@ -115,7 +127,7 @@
         mutable std::mutex mutex;
         TracedOrdinal<std::chrono::nanoseconds> workDuration
                 GUARDED_BY(mutex) = {"VsyncWorkDuration-sf", std::chrono::nanoseconds(0)};
-        std::chrono::nanoseconds lastCallbackTime GUARDED_BY(mutex) = std::chrono::nanoseconds{0};
+        TimePoint lastCallbackTime GUARDED_BY(mutex);
         std::optional<nsecs_t> scheduledFrameTime GUARDED_BY(mutex);
         TracedOrdinal<int> value = {"VSYNC-sf", 0};
     };
@@ -142,6 +154,7 @@
     void waitMessage() override;
     void postMessage(sp<MessageHandler>&&) override;
 
+    void scheduleConfigure() override;
     void scheduleFrame() override;
 
     std::optional<Clock::time_point> getScheduledFrameTime() const override;
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index a48c921..c10b817 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -27,6 +27,8 @@
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <ftl/enum.h>
+#include <ftl/fake_guard.h>
+#include <ftl/match.h>
 #include <utils/Trace.h>
 
 #include "../SurfaceFlingerProperties.h"
@@ -47,24 +49,6 @@
     } fixedRateBelowThresholdLayersScore;
 };
 
-template <typename Iterator>
-const DisplayModePtr& getMaxScoreRefreshRate(Iterator begin, Iterator end) {
-    const auto it =
-            std::max_element(begin, end, [](RefreshRateScore max, RefreshRateScore current) {
-                const auto& [modeIt, overallScore, _] = current;
-
-                std::string name = to_string(modeIt->second->getFps());
-                ALOGV("%s scores %.2f", name.c_str(), overallScore);
-
-                ATRACE_INT(name.c_str(), static_cast<int>(std::round(overallScore * 100)));
-
-                constexpr float kEpsilon = 0.0001f;
-                return overallScore > max.overallScore * (1 + kEpsilon);
-            });
-
-    return it->modeIt->second;
-}
-
 constexpr RefreshRateConfigs::GlobalSignals kNoSignals;
 
 std::string formatLayerInfo(const RefreshRateConfigs::LayerRequirement& layer, float weight) {
@@ -134,8 +118,50 @@
     return false;
 }
 
+std::string toString(const RefreshRateConfigs::PolicyVariant& policy) {
+    using namespace std::string_literals;
+
+    return ftl::match(
+            policy,
+            [](const RefreshRateConfigs::DisplayManagerPolicy& policy) {
+                return "DisplayManagerPolicy"s + policy.toString();
+            },
+            [](const RefreshRateConfigs::OverridePolicy& policy) {
+                return "OverridePolicy"s + policy.toString();
+            },
+            [](RefreshRateConfigs::NoOverridePolicy) { return "NoOverridePolicy"s; });
+}
+
 } // namespace
 
+struct RefreshRateConfigs::RefreshRateScoreComparator {
+    bool operator()(const RefreshRateScore& lhs, const RefreshRateScore& rhs) const {
+        const auto& [modeIt, overallScore, _] = lhs;
+
+        std::string name = to_string(modeIt->second->getFps());
+        ALOGV("%s sorting scores %.2f", name.c_str(), overallScore);
+
+        ATRACE_INT(name.c_str(), static_cast<int>(std::round(overallScore * 100)));
+
+        constexpr float kEpsilon = 0.0001f;
+        if (std::abs(overallScore - rhs.overallScore) > kEpsilon) {
+            return overallScore > rhs.overallScore;
+        }
+
+        // If overallScore tie we will pick the higher refresh rate if
+        // high refresh rate is the priority else the lower refresh rate.
+        if (refreshRateOrder == RefreshRateOrder::Descending) {
+            using fps_approx_ops::operator>;
+            return modeIt->second->getFps() > rhs.modeIt->second->getFps();
+        } else {
+            using fps_approx_ops::operator<;
+            return modeIt->second->getFps() < rhs.modeIt->second->getFps();
+        }
+    }
+
+    const RefreshRateOrder refreshRateOrder;
+};
+
 std::string RefreshRateConfigs::Policy::toString() const {
     return base::StringPrintf("{defaultModeId=%d, allowGroupSwitching=%s"
                               ", primaryRange=%s, appRequestRange=%s}",
@@ -217,6 +243,13 @@
     return 0;
 }
 
+float RefreshRateConfigs::calculateRefreshRateScoreForFps(Fps refreshRate) const {
+    const float ratio =
+            refreshRate.getValue() / mAppRequestRefreshRates.back()->second->getFps().getValue();
+    // Use ratio^2 to get a lower score the more we get further from peak
+    return ratio * ratio;
+}
+
 float RefreshRateConfigs::calculateLayerScoreLocked(const LayerRequirement& layer, Fps refreshRate,
                                                     bool isSeamlessSwitch) const {
     // Slightly prefer seamless switches.
@@ -225,10 +258,7 @@
 
     // If the layer wants Max, give higher score to the higher refresh rate
     if (layer.vote == LayerVoteType::Max) {
-        const auto& maxRefreshRate = mAppRequestRefreshRates.back()->second;
-        const auto ratio = refreshRate.getValue() / maxRefreshRate->getFps().getValue();
-        // use ratio^2 to get a lower score the more we get further from peak
-        return ratio * ratio;
+        return calculateRefreshRateScoreForFps(refreshRate);
     }
 
     if (layer.vote == LayerVoteType::ExplicitExact) {
@@ -257,35 +287,43 @@
             kNonExactMatchingPenalty;
 }
 
-auto RefreshRateConfigs::getBestRefreshRate(const std::vector<LayerRequirement>& layers,
-                                            GlobalSignals signals) const
-        -> std::pair<DisplayModePtr, GlobalSignals> {
+auto RefreshRateConfigs::getRankedRefreshRates(const std::vector<LayerRequirement>& layers,
+                                               GlobalSignals signals) const
+        -> std::pair<std::vector<RefreshRateRanking>, GlobalSignals> {
     std::lock_guard lock(mLock);
 
-    if (mGetBestRefreshRateCache &&
-        mGetBestRefreshRateCache->arguments == std::make_pair(layers, signals)) {
-        return mGetBestRefreshRateCache->result;
+    if (mGetRankedRefreshRatesCache &&
+        mGetRankedRefreshRatesCache->arguments == std::make_pair(layers, signals)) {
+        return mGetRankedRefreshRatesCache->result;
     }
 
-    const auto result = getBestRefreshRateLocked(layers, signals);
-    mGetBestRefreshRateCache = GetBestRefreshRateCache{{layers, signals}, result};
+    const auto result = getRankedRefreshRatesLocked(layers, signals);
+    mGetRankedRefreshRatesCache = GetRankedRefreshRatesCache{{layers, signals}, result};
     return result;
 }
 
-auto RefreshRateConfigs::getBestRefreshRateLocked(const std::vector<LayerRequirement>& layers,
-                                                  GlobalSignals signals) const
-        -> std::pair<DisplayModePtr, GlobalSignals> {
+auto RefreshRateConfigs::getRankedRefreshRatesLocked(const std::vector<LayerRequirement>& layers,
+                                                     GlobalSignals signals) const
+        -> std::pair<std::vector<RefreshRateRanking>, GlobalSignals> {
     using namespace fps_approx_ops;
     ATRACE_CALL();
     ALOGV("%s: %zu layers", __func__, layers.size());
 
+    const auto& activeMode = *getActiveModeItLocked()->second;
+
+    // Keep the display at max refresh rate for the duration of powering on the display.
+    if (signals.powerOnImminent) {
+        ALOGV("Power On Imminent");
+        return {getRefreshRatesByPolicyLocked(activeMode.getGroup(), RefreshRateOrder::Descending),
+                GlobalSignals{.powerOnImminent = true}};
+    }
+
     int noVoteLayers = 0;
     int minVoteLayers = 0;
     int maxVoteLayers = 0;
     int explicitDefaultVoteLayers = 0;
     int explicitExactOrMultipleVoteLayers = 0;
     int explicitExact = 0;
-    float maxExplicitWeight = 0;
     int seamedFocusedLayers = 0;
 
     for (const auto& layer : layers) {
@@ -301,15 +339,12 @@
                 break;
             case LayerVoteType::ExplicitDefault:
                 explicitDefaultVoteLayers++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
                 break;
             case LayerVoteType::ExplicitExactOrMultiple:
                 explicitExactOrMultipleVoteLayers++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
                 break;
             case LayerVoteType::ExplicitExact:
                 explicitExact++;
-                maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
                 break;
             case LayerVoteType::Heuristic:
                 break;
@@ -325,6 +360,7 @@
 
     const Policy* policy = getCurrentPolicyLocked();
     const auto& defaultMode = mDisplayModes.get(policy->defaultMode)->get();
+
     // If the default mode group is different from the group of current mode,
     // this means a layer requesting a seamed mode switch just disappeared and
     // we should switch back to the default group.
@@ -332,14 +368,14 @@
     // of the current mode, in order to prevent unnecessary seamed mode switches
     // (e.g. when pausing a video playback).
     const auto anchorGroup =
-            seamedFocusedLayers > 0 ? mActiveModeIt->second->getGroup() : defaultMode->getGroup();
+            seamedFocusedLayers > 0 ? activeMode.getGroup() : defaultMode->getGroup();
 
     // Consider the touch event if there are no Explicit* layers. Otherwise wait until after we've
     // selected a refresh rate to see if we should apply touch boost.
     if (signals.touch && !hasExplicitVoteLayers) {
-        const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-        ALOGV("TouchBoost - choose %s", to_string(max->getFps()).c_str());
-        return {max, GlobalSignals{.touch = true}};
+        ALOGV("Touch Boost");
+        return {getRefreshRatesByPolicyLocked(anchorGroup, RefreshRateOrder::Descending),
+                GlobalSignals{.touch = true}};
     }
 
     // If the primary range consists of a single refresh rate then we can only
@@ -349,22 +385,22 @@
             isApproxEqual(policy->primaryRange.min, policy->primaryRange.max);
 
     if (!signals.touch && signals.idle && !(primaryRangeIsSingleRate && hasExplicitVoteLayers)) {
-        const DisplayModePtr& min = getMinRefreshRateByPolicyLocked();
-        ALOGV("Idle - choose %s", to_string(min->getFps()).c_str());
-        return {min, GlobalSignals{.idle = true}};
+        ALOGV("Idle");
+        return {getRefreshRatesByPolicyLocked(activeMode.getGroup(), RefreshRateOrder::Ascending),
+                GlobalSignals{.idle = true}};
     }
 
     if (layers.empty() || noVoteLayers == layers.size()) {
-        const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-        ALOGV("no layers with votes - choose %s", to_string(max->getFps()).c_str());
-        return {max, kNoSignals};
+        ALOGV("No layers with votes");
+        return {getRefreshRatesByPolicyLocked(anchorGroup, RefreshRateOrder::Descending),
+                kNoSignals};
     }
 
     // Only if all layers want Min we should return Min
     if (noVoteLayers + minVoteLayers == layers.size()) {
-        const DisplayModePtr& min = getMinRefreshRateByPolicyLocked();
-        ALOGV("all layers Min - choose %s", to_string(min->getFps()).c_str());
-        return {min, kNoSignals};
+        ALOGV("All layers Min");
+        return {getRefreshRatesByPolicyLocked(activeMode.getGroup(), RefreshRateOrder::Ascending),
+                kNoSignals};
     }
 
     // Find the best refresh rate based on score
@@ -387,12 +423,12 @@
 
         for (auto& [modeIt, overallScore, fixedRateBelowThresholdLayersScore] : scores) {
             const auto& [id, mode] = *modeIt;
-            const bool isSeamlessSwitch = mode->getGroup() == mActiveModeIt->second->getGroup();
+            const bool isSeamlessSwitch = mode->getGroup() == activeMode.getGroup();
 
             if (layer.seamlessness == Seamlessness::OnlySeamless && !isSeamlessSwitch) {
                 ALOGV("%s ignores %s to avoid non-seamless switch. Current mode = %s",
                       formatLayerInfo(layer, weight).c_str(), to_string(*mode).c_str(),
-                      to_string(*mActiveModeIt->second).c_str());
+                      to_string(activeMode).c_str());
                 continue;
             }
 
@@ -401,7 +437,7 @@
                 ALOGV("%s ignores %s because it's not focused and the switch is going to be seamed."
                       " Current mode = %s",
                       formatLayerInfo(layer, weight).c_str(), to_string(*mode).c_str(),
-                      to_string(*mActiveModeIt->second).c_str());
+                      to_string(activeMode).c_str());
                 continue;
             }
 
@@ -413,7 +449,7 @@
             const bool isInPolicyForDefault = mode->getGroup() == anchorGroup;
             if (layer.seamlessness == Seamlessness::Default && !isInPolicyForDefault) {
                 ALOGV("%s ignores %s. Current mode = %s", formatLayerInfo(layer, weight).c_str(),
-                      to_string(*mode).c_str(), to_string(*mActiveModeIt->second).c_str());
+                      to_string(*mode).c_str(), to_string(activeMode).c_str());
                 continue;
             }
 
@@ -511,22 +547,29 @@
     }
 
     // Now that we scored all the refresh rates we need to pick the one that got the highest
-    // overallScore. In case of a tie we will pick the higher refresh rate if any of the layers
-    // wanted Max, or the lower otherwise.
-    const DisplayModePtr& bestRefreshRate = maxVoteLayers > 0
-            ? getMaxScoreRefreshRate(scores.rbegin(), scores.rend())
-            : getMaxScoreRefreshRate(scores.begin(), scores.end());
+    // overallScore. Sort the scores based on their overallScore in descending order of priority.
+    const RefreshRateOrder refreshRateOrder =
+            maxVoteLayers > 0 ? RefreshRateOrder::Descending : RefreshRateOrder::Ascending;
+    std::sort(scores.begin(), scores.end(),
+              RefreshRateScoreComparator{.refreshRateOrder = refreshRateOrder});
+    std::vector<RefreshRateRanking> rankedRefreshRates;
+    rankedRefreshRates.reserve(scores.size());
+
+    std::transform(scores.begin(), scores.end(), back_inserter(rankedRefreshRates),
+                   [](const RefreshRateScore& score) {
+                       return RefreshRateRanking{score.modeIt->second, score.overallScore};
+                   });
 
     if (primaryRangeIsSingleRate) {
         // If we never scored any layers, then choose the rate from the primary
         // range instead of picking a random score from the app range.
         if (std::all_of(scores.begin(), scores.end(),
                         [](RefreshRateScore score) { return score.overallScore == 0; })) {
-            const DisplayModePtr& max = getMaxRefreshRateByPolicyLocked(anchorGroup);
-            ALOGV("layers not scored - choose %s", to_string(max->getFps()).c_str());
-            return {max, kNoSignals};
+            ALOGV("Layers not scored");
+            return {getRefreshRatesByPolicyLocked(anchorGroup, RefreshRateOrder::Descending),
+                    kNoSignals};
         } else {
-            return {bestRefreshRate, kNoSignals};
+            return {rankedRefreshRates, kNoSignals};
         }
     }
 
@@ -534,8 +577,6 @@
     // interactive (as opposed to ExplicitExactOrMultiple) and therefore if those posted an explicit
     // vote we should not change it if we get a touch event. Only apply touch boost if it will
     // actually increase the refresh rate over the normal selection.
-    const DisplayModePtr& touchRefreshRate = getMaxRefreshRateByPolicyLocked(anchorGroup);
-
     const bool touchBoostForExplicitExact = [&] {
         if (mSupportsFrameRateOverrideByContent) {
             // Enable touch boost if there are other layers besides exact
@@ -546,15 +587,18 @@
         }
     }();
 
+    const auto& touchRefreshRates =
+            getRefreshRatesByPolicyLocked(anchorGroup, RefreshRateOrder::Descending);
     using fps_approx_ops::operator<;
 
     if (signals.touch && explicitDefaultVoteLayers == 0 && touchBoostForExplicitExact &&
-        bestRefreshRate->getFps() < touchRefreshRate->getFps()) {
-        ALOGV("TouchBoost - choose %s", to_string(touchRefreshRate->getFps()).c_str());
-        return {touchRefreshRate, GlobalSignals{.touch = true}};
+        scores.front().modeIt->second->getFps() <
+                touchRefreshRates.front().displayModePtr->getFps()) {
+        ALOGV("Touch Boost");
+        return {touchRefreshRates, GlobalSignals{.touch = true}};
     }
 
-    return {bestRefreshRate, kNoSignals};
+    return {rankedRefreshRates, kNoSignals};
 }
 
 std::unordered_map<uid_t, std::vector<const RefreshRateConfigs::LayerRequirement*>>
@@ -659,11 +703,13 @@
             continue;
         }
 
-        // Now that we scored all the refresh rates we need to pick the one that got the highest
-        // score.
+        // Now that we scored all the refresh rates we need to pick the lowest refresh rate
+        // that got the highest score.
         const DisplayModePtr& bestRefreshRate =
-                getMaxScoreRefreshRate(scores.begin(), scores.end());
-
+                std::min_element(scores.begin(), scores.end(),
+                                 RefreshRateScoreComparator{.refreshRateOrder =
+                                                                    RefreshRateOrder::Ascending})
+                        ->modeIt->second;
         frameRateOverrides.emplace(uid, bestRefreshRate->getFps());
     }
 
@@ -676,7 +722,7 @@
 
     const DisplayModePtr& current = desiredActiveModeId
             ? mDisplayModes.get(*desiredActiveModeId)->get()
-            : mActiveModeIt->second;
+            : getActiveModeItLocked()->second;
 
     const DisplayModePtr& min = mMinRefreshRateModeIt->second;
     if (current == min) {
@@ -688,26 +734,22 @@
 }
 
 const DisplayModePtr& RefreshRateConfigs::getMinRefreshRateByPolicyLocked() const {
+    const auto& activeMode = *getActiveModeItLocked()->second;
+
     for (const DisplayModeIterator modeIt : mPrimaryRefreshRates) {
         const auto& mode = modeIt->second;
-        if (mActiveModeIt->second->getGroup() == mode->getGroup()) {
+        if (activeMode.getGroup() == mode->getGroup()) {
             return mode;
         }
     }
 
-    ALOGE("Can't find min refresh rate by policy with the same mode group"
-          " as the current mode %s",
-          to_string(*mActiveModeIt->second).c_str());
+    ALOGE("Can't find min refresh rate by policy with the same mode group as the current mode %s",
+          to_string(activeMode).c_str());
 
     // Default to the lowest refresh rate.
     return mPrimaryRefreshRates.front()->second;
 }
 
-DisplayModePtr RefreshRateConfigs::getMaxRefreshRateByPolicy() const {
-    std::lock_guard lock(mLock);
-    return getMaxRefreshRateByPolicyLocked();
-}
-
 const DisplayModePtr& RefreshRateConfigs::getMaxRefreshRateByPolicyLocked(int anchorGroup) const {
     for (auto it = mPrimaryRefreshRates.rbegin(); it != mPrimaryRefreshRates.rend(); ++it) {
         const auto& mode = (*it)->second;
@@ -716,25 +758,63 @@
         }
     }
 
-    ALOGE("Can't find max refresh rate by policy with the same mode group"
-          " as the current mode %s",
-          to_string(*mActiveModeIt->second).c_str());
+    ALOGE("Can't find max refresh rate by policy with the same group %d", anchorGroup);
 
     // Default to the highest refresh rate.
     return mPrimaryRefreshRates.back()->second;
 }
 
-DisplayModePtr RefreshRateConfigs::getActiveMode() const {
+std::vector<RefreshRateRanking> RefreshRateConfigs::getRefreshRatesByPolicyLocked(
+        std::optional<int> anchorGroupOpt, RefreshRateOrder refreshRateOrder) const {
+    std::vector<RefreshRateRanking> rankings;
+    const auto makeRanking = [&](const DisplayModeIterator it) REQUIRES(mLock) {
+        const auto& mode = it->second;
+        const bool inverseScore = (refreshRateOrder == RefreshRateOrder::Ascending);
+        const float score = calculateRefreshRateScoreForFps(mode->getFps());
+        if (!anchorGroupOpt || mode->getGroup() == anchorGroupOpt) {
+            rankings.push_back(RefreshRateRanking{mode, inverseScore ? 1.0f / score : score});
+        }
+    };
+
+    if (refreshRateOrder == RefreshRateOrder::Ascending) {
+        std::for_each(mPrimaryRefreshRates.begin(), mPrimaryRefreshRates.end(), makeRanking);
+    } else {
+        std::for_each(mPrimaryRefreshRates.rbegin(), mPrimaryRefreshRates.rend(), makeRanking);
+    }
+
+    if (!rankings.empty() || !anchorGroupOpt) {
+        return rankings;
+    }
+
+    ALOGW("Can't find %s refresh rate by policy with the same mode group"
+          " as the mode group %d",
+          refreshRateOrder == RefreshRateOrder::Ascending ? "min" : "max", anchorGroupOpt.value());
+
+    return getRefreshRatesByPolicyLocked(/*anchorGroupOpt*/ std::nullopt, refreshRateOrder);
+}
+
+DisplayModePtr RefreshRateConfigs::getActiveModePtr() const {
     std::lock_guard lock(mLock);
-    return mActiveModeIt->second;
+    return getActiveModeItLocked()->second;
+}
+
+const DisplayMode& RefreshRateConfigs::getActiveMode() const {
+    // Reads from kMainThreadContext do not require mLock.
+    ftl::FakeGuard guard(mLock);
+    return *mActiveModeIt->second;
+}
+
+DisplayModeIterator RefreshRateConfigs::getActiveModeItLocked() const {
+    // Reads under mLock do not require kMainThreadContext.
+    return FTL_FAKE_GUARD(kMainThreadContext, mActiveModeIt);
 }
 
 void RefreshRateConfigs::setActiveModeId(DisplayModeId modeId) {
     std::lock_guard lock(mLock);
 
-    // Invalidate the cached invocation to getBestRefreshRate. This forces
-    // the refresh rate to be recomputed on the next call to getBestRefreshRate.
-    mGetBestRefreshRateCache.reset();
+    // Invalidate the cached invocation to getRankedRefreshRates. This forces
+    // the refresh rate to be recomputed on the next call to getRankedRefreshRates.
+    mGetRankedRefreshRatesCache.reset();
 
     mActiveModeIt = mDisplayModes.find(modeId);
     LOG_ALWAYS_FATAL_IF(mActiveModeIt == mDisplayModes.end());
@@ -744,7 +824,7 @@
                                        Config config)
       : mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
     initializeIdleTimer();
-    updateDisplayModes(std::move(modes), activeModeId);
+    FTL_FAKE_GUARD(kMainThreadContext, updateDisplayModes(std::move(modes), activeModeId));
 }
 
 void RefreshRateConfigs::initializeIdleTimer() {
@@ -769,9 +849,9 @@
 void RefreshRateConfigs::updateDisplayModes(DisplayModes modes, DisplayModeId activeModeId) {
     std::lock_guard lock(mLock);
 
-    // Invalidate the cached invocation to getBestRefreshRate. This forces
-    // the refresh rate to be recomputed on the next call to getBestRefreshRate.
-    mGetBestRefreshRateCache.reset();
+    // Invalidate the cached invocation to getRankedRefreshRates. This forces
+    // the refresh rate to be recomputed on the next call to getRankedRefreshRates.
+    mGetRankedRefreshRatesCache.reset();
 
     mDisplayModes = std::move(modes);
     mActiveModeIt = mDisplayModes.find(activeModeId);
@@ -809,35 +889,60 @@
             policy.appRequestRange.max >= policy.primaryRange.max;
 }
 
-status_t RefreshRateConfigs::setDisplayManagerPolicy(const Policy& policy) {
-    std::lock_guard lock(mLock);
-    if (!isPolicyValidLocked(policy)) {
-        ALOGE("Invalid refresh rate policy: %s", policy.toString().c_str());
-        return BAD_VALUE;
-    }
-    mGetBestRefreshRateCache.reset();
-    Policy previousPolicy = *getCurrentPolicyLocked();
-    mDisplayManagerPolicy = policy;
-    if (*getCurrentPolicyLocked() == previousPolicy) {
-        return CURRENT_POLICY_UNCHANGED;
-    }
-    constructAvailableRefreshRates();
-    return NO_ERROR;
-}
+auto RefreshRateConfigs::setPolicy(const PolicyVariant& policy) -> SetPolicyResult {
+    Policy oldPolicy;
+    {
+        std::lock_guard lock(mLock);
+        oldPolicy = *getCurrentPolicyLocked();
 
-status_t RefreshRateConfigs::setOverridePolicy(const std::optional<Policy>& policy) {
-    std::lock_guard lock(mLock);
-    if (policy && !isPolicyValidLocked(*policy)) {
-        return BAD_VALUE;
+        const bool valid = ftl::match(
+                policy,
+                [this](const auto& policy) {
+                    ftl::FakeGuard guard(mLock);
+                    if (!isPolicyValidLocked(policy)) {
+                        ALOGE("Invalid policy: %s", policy.toString().c_str());
+                        return false;
+                    }
+
+                    using T = std::decay_t<decltype(policy)>;
+
+                    if constexpr (std::is_same_v<T, DisplayManagerPolicy>) {
+                        mDisplayManagerPolicy = policy;
+                    } else {
+                        static_assert(std::is_same_v<T, OverridePolicy>);
+                        mOverridePolicy = policy;
+                    }
+                    return true;
+                },
+                [this](NoOverridePolicy) {
+                    ftl::FakeGuard guard(mLock);
+                    mOverridePolicy.reset();
+                    return true;
+                });
+
+        if (!valid) {
+            return SetPolicyResult::Invalid;
+        }
+
+        mGetRankedRefreshRatesCache.reset();
+
+        if (*getCurrentPolicyLocked() == oldPolicy) {
+            return SetPolicyResult::Unchanged;
+        }
+        constructAvailableRefreshRates();
     }
-    mGetBestRefreshRateCache.reset();
-    Policy previousPolicy = *getCurrentPolicyLocked();
-    mOverridePolicy = policy;
-    if (*getCurrentPolicyLocked() == previousPolicy) {
-        return CURRENT_POLICY_UNCHANGED;
-    }
-    constructAvailableRefreshRates();
-    return NO_ERROR;
+
+    const auto displayId = getActiveMode().getPhysicalDisplayId();
+    const unsigned numModeChanges = std::exchange(mNumModeSwitchesInPolicy, 0u);
+
+    ALOGI("Display %s policy changed\n"
+          "Previous: %s\n"
+          "Current:  %s\n"
+          "%u mode changes were performed under the previous policy",
+          to_string(displayId).c_str(), oldPolicy.toString().c_str(), toString(policy).c_str(),
+          numModeChanges);
+
+    return SetPolicyResult::Changed;
 }
 
 const RefreshRateConfigs::Policy* RefreshRateConfigs::getCurrentPolicyLocked() const {
@@ -930,7 +1035,8 @@
         return KernelIdleTimerAction::TurnOff;
     }
 
-    const DisplayModePtr& maxByPolicy = getMaxRefreshRateByPolicyLocked();
+    const DisplayModePtr& maxByPolicy =
+            getMaxRefreshRateByPolicyLocked(getActiveModeItLocked()->second->getGroup());
     if (minByPolicy == maxByPolicy) {
         // Turn on the timer when the min of the primary range is below the device min.
         if (const Policy* currentPolicy = getCurrentPolicyLocked();
@@ -971,47 +1077,45 @@
             isApproxEqual(bigger, Fps::fromValue(smaller.getValue() * multiplier * kCoef));
 }
 
-void RefreshRateConfigs::dump(std::string& result) const {
-    using namespace std::string_literals;
+void RefreshRateConfigs::dump(utils::Dumper& dumper) const {
+    using namespace std::string_view_literals;
 
     std::lock_guard lock(mLock);
 
-    const auto activeModeId = mActiveModeIt->first;
-    result += "   activeModeId="s;
-    result += std::to_string(activeModeId.value());
+    const auto activeModeId = getActiveModeItLocked()->first;
+    dumper.dump("activeModeId"sv, std::to_string(activeModeId.value()));
 
-    result += "\n   displayModes=\n"s;
-    for (const auto& [id, mode] : mDisplayModes) {
-        result += "      "s;
-        result += to_string(*mode);
-        result += '\n';
+    dumper.dump("displayModes"sv);
+    {
+        utils::Dumper::Indent indent(dumper);
+        for (const auto& [id, mode] : mDisplayModes) {
+            dumper.dump({}, to_string(*mode));
+        }
     }
 
-    base::StringAppendF(&result, "   displayManagerPolicy=%s\n",
-                        mDisplayManagerPolicy.toString().c_str());
+    dumper.dump("displayManagerPolicy"sv, mDisplayManagerPolicy.toString());
 
     if (const Policy& currentPolicy = *getCurrentPolicyLocked();
         mOverridePolicy && currentPolicy != mDisplayManagerPolicy) {
-        base::StringAppendF(&result, "   overridePolicy=%s\n", currentPolicy.toString().c_str());
+        dumper.dump("overridePolicy"sv, currentPolicy.toString());
     }
 
-    base::StringAppendF(&result, "   supportsFrameRateOverrideByContent=%s\n",
-                        mSupportsFrameRateOverrideByContent ? "true" : "false");
+    dumper.dump("supportsFrameRateOverrideByContent"sv, mSupportsFrameRateOverrideByContent);
 
-    result += "   idleTimer="s;
+    std::string idleTimer;
     if (mIdleTimer) {
-        result += mIdleTimer->dump();
+        idleTimer = mIdleTimer->dump();
     } else {
-        result += "off"s;
+        idleTimer = "off"sv;
     }
 
     if (const auto controller = mConfig.kernelIdleTimerController) {
-        base::StringAppendF(&result, " (kernel via %s)", ftl::enum_string(*controller).c_str());
+        base::StringAppendF(&idleTimer, " (kernel via %s)", ftl::enum_string(*controller).c_str());
     } else {
-        result += " (platform)"s;
+        idleTimer += " (platform)"sv;
     }
 
-    result += '\n';
+    dumper.dump("idleTimer"sv, idleTimer);
 }
 
 std::chrono::milliseconds RefreshRateConfigs::getIdleTimerTimeout() {
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index a79002e..2c2e34a 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -21,6 +21,7 @@
 #include <optional>
 #include <type_traits>
 #include <utility>
+#include <variant>
 
 #include <gui/DisplayEventReceiver.h>
 
@@ -31,6 +32,8 @@
 #include "DisplayHardware/HWComposer.h"
 #include "Scheduler/OneShotTimer.h"
 #include "Scheduler/StrongTyping.h"
+#include "ThreadContext.h"
+#include "Utils/Dumper.h"
 
 namespace android::scheduler {
 
@@ -43,6 +46,15 @@
     return static_cast<DisplayModeEvent>(static_cast<T>(lhs) | static_cast<T>(rhs));
 }
 
+struct RefreshRateRanking {
+    DisplayModePtr displayModePtr;
+    float score = 0.0f;
+
+    bool operator==(const RefreshRateRanking& ranking) const {
+        return displayModePtr == ranking.displayModePtr && score == ranking.score;
+    }
+};
+
 using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
 
 /**
@@ -56,8 +68,7 @@
     static constexpr nsecs_t MARGIN_FOR_PERIOD_CALCULATION =
             std::chrono::nanoseconds(800us).count();
 
-    struct Policy {
-    private:
+    class Policy {
         static constexpr int kAllowGroupSwitchingDefault = false;
 
     public:
@@ -107,23 +118,28 @@
         std::string toString() const;
     };
 
-    // Return code set*Policy() to indicate the current policy is unchanged.
-    static constexpr int CURRENT_POLICY_UNCHANGED = 1;
+    enum class SetPolicyResult { Invalid, Unchanged, Changed };
 
     // We maintain the display manager policy and the override policy separately. The override
     // policy is used by CTS tests to get a consistent device state for testing. While the override
     // policy is set, it takes precedence over the display manager policy. Once the override policy
     // is cleared, we revert to using the display manager policy.
+    struct DisplayManagerPolicy : Policy {
+        using Policy::Policy;
+    };
 
-    // Sets the display manager policy to choose refresh rates. The return value will be:
-    //   - A negative value if the policy is invalid or another error occurred.
-    //   - NO_ERROR if the policy was successfully updated, and the current policy is different from
-    //     what it was before the call.
-    //   - CURRENT_POLICY_UNCHANGED if the policy was successfully updated, but the current policy
-    //     is the same as it was before the call.
-    status_t setDisplayManagerPolicy(const Policy& policy) EXCLUDES(mLock);
-    // Sets the override policy. See setDisplayManagerPolicy() for the meaning of the return value.
-    status_t setOverridePolicy(const std::optional<Policy>& policy) EXCLUDES(mLock);
+    struct OverridePolicy : Policy {
+        using Policy::Policy;
+    };
+
+    struct NoOverridePolicy {};
+
+    using PolicyVariant = std::variant<DisplayManagerPolicy, OverridePolicy, NoOverridePolicy>;
+
+    SetPolicyResult setPolicy(const PolicyVariant&) EXCLUDES(mLock) REQUIRES(kMainThreadContext);
+
+    void onModeChangeInitiated() REQUIRES(kMainThreadContext) { mNumModeSwitchesInPolicy++; }
+
     // Gets the current policy, which will be the override policy if active, and the display manager
     // policy otherwise.
     Policy getCurrentPolicy() const EXCLUDES(mLock);
@@ -184,15 +200,19 @@
         bool touch = false;
         // True if the system hasn't seen any buffers posted to layers recently.
         bool idle = false;
+        // Whether the display is about to be powered on, or has been in PowerMode::ON
+        // within the timeout of DisplayPowerTimer.
+        bool powerOnImminent = false;
 
         bool operator==(GlobalSignals other) const {
-            return touch == other.touch && idle == other.idle;
+            return touch == other.touch && idle == other.idle &&
+                    powerOnImminent == other.powerOnImminent;
         }
     };
 
-    // Returns the refresh rate that best fits the given layers, and whether the refresh rate was
-    // chosen based on touch boost and/or idle timer.
-    std::pair<DisplayModePtr, GlobalSignals> getBestRefreshRate(
+    // Returns the list in the descending order of refresh rates desired
+    // based on their overall score, and the GlobalSignals that were considered.
+    std::pair<std::vector<RefreshRateRanking>, GlobalSignals> getRankedRefreshRates(
             const std::vector<LayerRequirement>&, GlobalSignals) const EXCLUDES(mLock);
 
     FpsRange getSupportedRefreshRateRange() const EXCLUDES(mLock) {
@@ -203,12 +223,11 @@
     std::optional<Fps> onKernelTimerChanged(std::optional<DisplayModeId> desiredActiveModeId,
                                             bool timerExpired) const EXCLUDES(mLock);
 
-    // Returns the highest refresh rate according to the current policy. May change at runtime. Only
-    // uses the primary range, not the app request range.
-    DisplayModePtr getMaxRefreshRateByPolicy() const EXCLUDES(mLock);
+    void setActiveModeId(DisplayModeId) EXCLUDES(mLock) REQUIRES(kMainThreadContext);
 
-    void setActiveModeId(DisplayModeId) EXCLUDES(mLock);
-    DisplayModePtr getActiveMode() const EXCLUDES(mLock);
+    // See mActiveModeIt for thread safety.
+    DisplayModePtr getActiveModePtr() const EXCLUDES(mLock);
+    const DisplayMode& getActiveMode() const REQUIRES(kMainThreadContext);
 
     // Returns a known frame rate that is the closest to frameRate
     Fps findClosestKnownFrameRate(Fps frameRate) const;
@@ -323,7 +342,7 @@
         mIdleTimer->reset();
     }
 
-    void dump(std::string& result) const EXCLUDES(mLock);
+    void dump(utils::Dumper&) const EXCLUDES(mLock);
 
     std::chrono::milliseconds getIdleTimerTimeout();
 
@@ -332,7 +351,10 @@
 
     void constructAvailableRefreshRates() REQUIRES(mLock);
 
-    std::pair<DisplayModePtr, GlobalSignals> getBestRefreshRateLocked(
+    // See mActiveModeIt for thread safety.
+    DisplayModeIterator getActiveModeItLocked() const REQUIRES(mLock);
+
+    std::pair<std::vector<RefreshRateRanking>, GlobalSignals> getRankedRefreshRatesLocked(
             const std::vector<LayerRequirement>&, GlobalSignals) const REQUIRES(mLock);
 
     // Returns number of display frames and remainder when dividing the layer refresh period by
@@ -346,13 +368,22 @@
     // Returns the highest refresh rate according to the current policy. May change at runtime. Only
     // uses the primary range, not the app request range.
     const DisplayModePtr& getMaxRefreshRateByPolicyLocked(int anchorGroup) const REQUIRES(mLock);
-    const DisplayModePtr& getMaxRefreshRateByPolicyLocked() const REQUIRES(mLock) {
-        return getMaxRefreshRateByPolicyLocked(mActiveModeIt->second->getGroup());
-    }
+
+    struct RefreshRateScoreComparator;
+
+    enum class RefreshRateOrder { Ascending, Descending };
+
+    // Returns the rankings in RefreshRateOrder. May change at runtime.
+    // Only uses the primary range, not the app request range.
+    std::vector<RefreshRateRanking> getRefreshRatesByPolicyLocked(std::optional<int> anchorGroupOpt,
+                                                                  RefreshRateOrder) const
+            REQUIRES(mLock);
 
     const Policy* getCurrentPolicyLocked() const REQUIRES(mLock);
     bool isPolicyValidLocked(const Policy& policy) const REQUIRES(mLock);
 
+    // Returns the refresh rate score as a ratio to max refresh rate, which has a score of 1.
+    float calculateRefreshRateScoreForFps(Fps refreshRate) const REQUIRES(mLock);
     // calculates a score for a layer. Used to determine the display refresh rate
     // and the frame rate override for certains applications.
     float calculateLayerScoreLocked(const LayerRequirement&, Fps refreshRate,
@@ -361,7 +392,8 @@
     float calculateNonExactMatchingLayerScoreLocked(const LayerRequirement&, Fps refreshRate) const
             REQUIRES(mLock);
 
-    void updateDisplayModes(DisplayModes, DisplayModeId activeModeId) EXCLUDES(mLock);
+    void updateDisplayModes(DisplayModes, DisplayModeId activeModeId) EXCLUDES(mLock)
+            REQUIRES(kMainThreadContext);
 
     void initializeIdleTimer();
 
@@ -377,7 +409,10 @@
     // is also dependent, so must be reset as well.
     DisplayModes mDisplayModes GUARDED_BY(mLock);
 
-    DisplayModeIterator mActiveModeIt GUARDED_BY(mLock);
+    // Written under mLock exclusively from kMainThreadContext, so reads from kMainThreadContext
+    // need not be under mLock.
+    DisplayModeIterator mActiveModeIt GUARDED_BY(mLock) GUARDED_BY(kMainThreadContext);
+
     DisplayModeIterator mMinRefreshRateModeIt GUARDED_BY(mLock);
     DisplayModeIterator mMaxRefreshRateModeIt GUARDED_BY(mLock);
 
@@ -388,6 +423,8 @@
     Policy mDisplayManagerPolicy GUARDED_BY(mLock);
     std::optional<Policy> mOverridePolicy GUARDED_BY(mLock);
 
+    unsigned mNumModeSwitchesInPolicy GUARDED_BY(kMainThreadContext) = 0;
+
     mutable std::mutex mLock;
 
     // A sorted list of known frame rates that a Heuristic layer will choose
@@ -397,11 +434,11 @@
     const Config mConfig;
     bool mSupportsFrameRateOverrideByContent;
 
-    struct GetBestRefreshRateCache {
+    struct GetRankedRefreshRatesCache {
         std::pair<std::vector<LayerRequirement>, GlobalSignals> arguments;
-        std::pair<DisplayModePtr, GlobalSignals> result;
+        std::pair<std::vector<RefreshRateRanking>, GlobalSignals> result;
     };
-    mutable std::optional<GetBestRefreshRateCache> mGetBestRefreshRateCache GUARDED_BY(mLock);
+    mutable std::optional<GetRankedRefreshRatesCache> mGetRankedRefreshRatesCache GUARDED_BY(mLock);
 
     // Declare mIdleTimer last to ensure its thread joins before the mutex/callbacks are destroyed.
     std::mutex mIdleTimerCallbacksMutex;
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 727cb08..6d68bac 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -28,7 +28,6 @@
 #include <ftl/fake_guard.h>
 #include <gui/WindowInfo.h>
 #include <system/window.h>
-#include <ui/DisplayStatInfo.h>
 #include <utils/Timers.h>
 #include <utils/Trace.h>
 
@@ -132,6 +131,18 @@
     }
 }
 
+void Scheduler::onFrameSignal(ICompositor& compositor, VsyncId vsyncId,
+                              TimePoint expectedVsyncTime) {
+    const TimePoint frameTime = SchedulerClock::now();
+
+    if (!compositor.commit(frameTime, vsyncId, expectedVsyncTime)) {
+        return;
+    }
+
+    compositor.composite(frameTime, vsyncId);
+    compositor.sample();
+}
+
 void Scheduler::createVsyncSchedule(FeatureFlags features) {
     mVsyncSchedule.emplace(features);
 }
@@ -152,28 +163,27 @@
             .getFrameRateOverrideForUid(uid, supportsFrameRateOverrideByContent);
 }
 
-bool Scheduler::isVsyncValid(nsecs_t expectedVsyncTimestamp, uid_t uid) const {
+bool Scheduler::isVsyncValid(TimePoint expectedVsyncTimestamp, uid_t uid) const {
     const auto frameRate = getFrameRateOverride(uid);
     if (!frameRate.has_value()) {
         return true;
     }
 
-    return mVsyncSchedule->getTracker().isVSyncInPhase(expectedVsyncTimestamp, *frameRate);
+    return mVsyncSchedule->getTracker().isVSyncInPhase(expectedVsyncTimestamp.ns(), *frameRate);
 }
 
 impl::EventThread::ThrottleVsyncCallback Scheduler::makeThrottleVsyncCallback() const {
     std::scoped_lock lock(mRefreshRateConfigsLock);
 
     return [this](nsecs_t expectedVsyncTimestamp, uid_t uid) {
-        return !isVsyncValid(expectedVsyncTimestamp, uid);
+        return !isVsyncValid(TimePoint::fromNs(expectedVsyncTimestamp), uid);
     };
 }
 
 impl::EventThread::GetVsyncPeriodFunction Scheduler::makeGetVsyncPeriodFunction() const {
     return [this](uid_t uid) {
-        const Fps refreshRate = holdRefreshRateConfigs()->getActiveMode()->getFps();
-        const auto currentPeriod =
-                mVsyncSchedule->getTracker().currentPeriod() ?: refreshRate.getPeriodNsecs();
+        const Fps refreshRate = holdRefreshRateConfigs()->getActiveModePtr()->getFps();
+        const nsecs_t currentPeriod = mVsyncSchedule->period().ns() ?: refreshRate.getPeriodNsecs();
 
         const auto frameRate = getFrameRateOverride(uid);
         if (!frameRate.has_value()) {
@@ -214,12 +224,12 @@
 }
 
 sp<EventThreadConnection> Scheduler::createConnectionInternal(
-        EventThread* eventThread, ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        EventThread* eventThread, EventRegistrationFlags eventRegistration) {
     return eventThread->createEventConnection([&] { resync(); }, eventRegistration);
 }
 
 sp<IDisplayEventConnection> Scheduler::createDisplayEventConnection(
-        ConnectionHandle handle, ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        ConnectionHandle handle, EventRegistrationFlags eventRegistration) {
     std::lock_guard<std::mutex> lock(mConnectionsLock);
     RETURN_IF_INVALID_HANDLE(handle, nullptr);
     return createConnectionInternal(mConnections[handle].thread.get(), eventRegistration);
@@ -310,7 +320,7 @@
     // mode change is in progress. In that case we shouldn't dispatch an event
     // as it will be dispatched when the current mode changes.
     if (std::scoped_lock lock(mRefreshRateConfigsLock);
-        mRefreshRateConfigs->getActiveMode() != mPolicy.mode) {
+        mRefreshRateConfigs->getActiveModePtr() != mPolicy.mode) {
         return;
     }
 
@@ -361,12 +371,6 @@
     thread->setDuration(workDuration, readyDuration);
 }
 
-DisplayStatInfo Scheduler::getDisplayStatInfo(nsecs_t now) {
-    const auto vsyncTime = mVsyncSchedule->getTracker().nextAnticipatedVSyncTimeFrom(now);
-    const auto vsyncPeriod = mVsyncSchedule->getTracker().currentPeriod();
-    return DisplayStatInfo{.vsyncTime = vsyncTime, .vsyncPeriod = vsyncPeriod};
-}
-
 ConnectionHandle Scheduler::enableVSyncInjection(bool enable) {
     if (mInjectVSyncs == enable) {
         return {};
@@ -449,7 +453,7 @@
     if (now - last > kIgnoreDelay) {
         const auto refreshRate = [&] {
             std::scoped_lock lock(mRefreshRateConfigsLock);
-            return mRefreshRateConfigs->getActiveMode()->getFps();
+            return mRefreshRateConfigs->getActiveModePtr()->getFps();
         }();
         resyncToHardwareVsync(false, refreshRate);
     }
@@ -497,24 +501,10 @@
 }
 
 void Scheduler::registerLayer(Layer* layer) {
-    using WindowType = gui::WindowInfo::Type;
-
-    scheduler::LayerHistory::LayerVoteType voteType;
-
-    if (!mFeatures.test(Feature::kContentDetection) ||
-        layer->getWindowType() == WindowType::STATUS_BAR) {
-        voteType = scheduler::LayerHistory::LayerVoteType::NoVote;
-    } else if (layer->getWindowType() == WindowType::WALLPAPER) {
-        // Running Wallpaper at Min is considered as part of content detection.
-        voteType = scheduler::LayerHistory::LayerVoteType::Min;
-    } else {
-        voteType = scheduler::LayerHistory::LayerVoteType::Heuristic;
-    }
-
     // If the content detection feature is off, we still keep the layer history,
     // since we use it for other features (like Frame Rate API), so layers
     // still need to be registered.
-    mLayerHistory.registerLayer(layer, voteType);
+    mLayerHistory.registerLayer(layer, mFeatures.test(Feature::kContentDetection));
 }
 
 void Scheduler::deregisterLayer(Layer* layer) {
@@ -535,6 +525,11 @@
     mLayerHistory.setModeChangePending(pending);
 }
 
+void Scheduler::setDefaultFrameRateCompatibility(Layer* layer) {
+    mLayerHistory.setDefaultFrameRateCompatibility(layer,
+                                                   mFeatures.test(Feature::kContentDetection));
+}
+
 void Scheduler::chooseRefreshRateForContent() {
     const auto configs = holdRefreshRateConfigs();
     if (!configs->canSwitch()) return;
@@ -582,7 +577,7 @@
     // magic number
     const Fps refreshRate = [&] {
         std::scoped_lock lock(mRefreshRateConfigsLock);
-        return mRefreshRateConfigs->getActiveMode()->getFps();
+        return mRefreshRateConfigs->getActiveModePtr()->getFps();
     }();
 
     constexpr Fps FPS_THRESHOLD_FOR_KERNEL_TIMER = 65_Hz;
@@ -679,7 +674,9 @@
         if (currentState == newState) return {};
         currentState = std::forward<T>(newState);
 
-        std::tie(newMode, consideredSignals) = chooseDisplayMode();
+        const auto [rankings, signals] = getRankedDisplayModes();
+        newMode = rankings.front().displayModePtr;
+        consideredSignals = signals;
         frameRateOverridesChanged = updateFrameRateOverrides(consideredSignals, newMode->getFps());
 
         if (mPolicy.mode == newMode) {
@@ -704,31 +701,28 @@
     return consideredSignals;
 }
 
-auto Scheduler::chooseDisplayMode() -> std::pair<DisplayModePtr, GlobalSignals> {
+auto Scheduler::getRankedDisplayModes()
+        -> std::pair<std::vector<RefreshRateRanking>, GlobalSignals> {
     ATRACE_CALL();
 
     const auto configs = holdRefreshRateConfigs();
 
-    // If Display Power is not in normal operation we want to be in performance mode. When coming
-    // back to normal mode, a grace period is given with DisplayPowerTimer.
-    if (mDisplayPowerTimer &&
-        (mPolicy.displayPowerMode != hal::PowerMode::ON ||
-         mPolicy.displayPowerTimer == TimerState::Reset)) {
-        constexpr GlobalSignals kNoSignals;
-        return {configs->getMaxRefreshRateByPolicy(), kNoSignals};
-    }
+    const bool powerOnImminent = mDisplayPowerTimer &&
+            (mPolicy.displayPowerMode != hal::PowerMode::ON ||
+             mPolicy.displayPowerTimer == TimerState::Reset);
 
     const GlobalSignals signals{.touch = mTouchTimer && mPolicy.touch == TouchState::Active,
-                                .idle = mPolicy.idleTimer == TimerState::Expired};
+                                .idle = mPolicy.idleTimer == TimerState::Expired,
+                                .powerOnImminent = powerOnImminent};
 
-    return configs->getBestRefreshRate(mPolicy.contentRequirements, signals);
+    return configs->getRankedRefreshRates(mPolicy.contentRequirements, signals);
 }
 
 DisplayModePtr Scheduler::getPreferredDisplayMode() {
     std::lock_guard<std::mutex> lock(mPolicyLock);
     // Make sure the stored mode is up to date.
     if (mPolicy.mode) {
-        mPolicy.mode = chooseDisplayMode().first;
+        mPolicy.mode = getRankedDisplayModes().first.front().displayModePtr;
     }
     return mPolicy.mode;
 }
@@ -776,11 +770,4 @@
     mFrameRateOverrideMappings.setPreferredRefreshRateForUid(frameRateOverride);
 }
 
-std::chrono::steady_clock::time_point Scheduler::getPreviousVsyncFrom(
-        nsecs_t expectedPresentTime) const {
-    const auto presentTime = std::chrono::nanoseconds(expectedPresentTime);
-    const auto vsyncPeriod = std::chrono::nanoseconds(mVsyncSchedule->getTracker().currentPeriod());
-    return std::chrono::steady_clock::time_point(presentTime - vsyncPeriod);
-}
-
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index a8043bf..f567205 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -33,6 +33,7 @@
 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 #include <scheduler/Features.h>
+#include <scheduler/Time.h>
 
 #include "EventThread.h"
 #include "FrameRateOverrideMappings.h"
@@ -94,8 +95,8 @@
     ~ISchedulerCallback() = default;
 };
 
-class Scheduler : impl::MessageQueue {
-    using Impl = impl::MessageQueue;
+class Scheduler : android::impl::MessageQueue {
+    using Impl = android::impl::MessageQueue;
 
 public:
     Scheduler(ICompositor&, ISchedulerCallback&, FeatureFlags);
@@ -115,6 +116,7 @@
     using Impl::getScheduledFrameTime;
     using Impl::setDuration;
 
+    using Impl::scheduleConfigure;
     using Impl::scheduleFrame;
 
     // Schedule an asynchronous or synchronous task on the main thread.
@@ -128,10 +130,10 @@
     ConnectionHandle createConnection(const char* connectionName, frametimeline::TokenManager*,
                                       std::chrono::nanoseconds workDuration,
                                       std::chrono::nanoseconds readyDuration,
-                                      impl::EventThread::InterceptVSyncsCallback);
+                                      android::impl::EventThread::InterceptVSyncsCallback);
 
     sp<IDisplayEventConnection> createDisplayEventConnection(
-            ConnectionHandle, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+            ConnectionHandle, EventRegistrationFlags eventRegistration = {});
 
     sp<EventThreadConnection> getEventConnection(ConnectionHandle);
 
@@ -148,8 +150,6 @@
     void setDuration(ConnectionHandle, std::chrono::nanoseconds workDuration,
                      std::chrono::nanoseconds readyDuration);
 
-    DisplayStatInfo getDisplayStatInfo(nsecs_t now);
-
     // Returns injector handle if injection has toggled, or an invalid handle otherwise.
     ConnectionHandle enableVSyncInjection(bool enable);
     // Returns false if injection is disabled.
@@ -176,6 +176,7 @@
     void recordLayerHistory(Layer*, nsecs_t presentTime, LayerHistory::LayerUpdateType updateType)
             EXCLUDES(mRefreshRateConfigsLock);
     void setModeChangePending(bool pending);
+    void setDefaultFrameRateCompatibility(Layer*);
     void deregisterLayer(Layer*);
 
     // Detects content using layer history, and selects a matching refresh rate.
@@ -188,13 +189,11 @@
 
     void setDisplayPowerMode(hal::PowerMode powerMode);
 
-    VSyncDispatch& getVsyncDispatch() { return mVsyncSchedule->getDispatch(); }
+    VsyncSchedule& getVsyncSchedule() { return *mVsyncSchedule; }
 
     // Returns true if a given vsync timestamp is considered valid vsync
     // for a given uid
-    bool isVsyncValid(nsecs_t expectedVsyncTimestamp, uid_t uid) const;
-
-    std::chrono::steady_clock::time_point getPreviousVsyncFrom(nsecs_t expectedPresentTime) const;
+    bool isVsyncValid(TimePoint expectedVsyncTimestamp, uid_t uid) const;
 
     void dump(std::string&) const;
     void dump(ConnectionHandle, std::string&) const;
@@ -230,7 +229,7 @@
 
     nsecs_t getVsyncPeriodFromRefreshRateConfigs() const EXCLUDES(mRefreshRateConfigsLock) {
         std::scoped_lock lock(mRefreshRateConfigsLock);
-        return mRefreshRateConfigs->getActiveMode()->getFps().getPeriodNsecs();
+        return mRefreshRateConfigs->getActiveModePtr()->getFps().getPeriodNsecs();
     }
 
     // Returns the framerate of the layer with the given sequence ID
@@ -245,10 +244,13 @@
     enum class TimerState { Reset, Expired };
     enum class TouchState { Inactive, Active };
 
+    // impl::MessageQueue overrides:
+    void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) override;
+
     // Create a connection on the given EventThread.
     ConnectionHandle createConnection(std::unique_ptr<EventThread>);
     sp<EventThreadConnection> createConnectionInternal(
-            EventThread*, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
+            EventThread*, EventRegistrationFlags eventRegistration = {});
 
     // Update feature state machine to given state when corresponding timer resets or expires.
     void kernelIdleTimerCallback(TimerState) EXCLUDES(mRefreshRateConfigsLock);
@@ -267,16 +269,18 @@
     template <typename S, typename T>
     GlobalSignals applyPolicy(S Policy::*, T&&) EXCLUDES(mPolicyLock);
 
-    // Returns the display mode that fulfills the policy, and the signals that were considered.
-    std::pair<DisplayModePtr, GlobalSignals> chooseDisplayMode() REQUIRES(mPolicyLock);
+    // Returns the list of display modes in descending order of their priority that fulfills the
+    // policy, and the signals that were considered.
+    std::pair<std::vector<RefreshRateRanking>, GlobalSignals> getRankedDisplayModes()
+            REQUIRES(mPolicyLock);
 
     bool updateFrameRateOverrides(GlobalSignals, Fps displayRefreshRate) REQUIRES(mPolicyLock);
 
     void dispatchCachedReportedMode() REQUIRES(mPolicyLock) EXCLUDES(mRefreshRateConfigsLock);
 
-    impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const
+    android::impl::EventThread::ThrottleVsyncCallback makeThrottleVsyncCallback() const
             EXCLUDES(mRefreshRateConfigsLock);
-    impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
+    android::impl::EventThread::GetVsyncPeriodFunction makeGetVsyncPeriodFunction() const;
 
     std::shared_ptr<RefreshRateConfigs> holdRefreshRateConfigs() const
             EXCLUDES(mRefreshRateConfigsLock) {
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
index 27f4311..cc9f7cf 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
@@ -100,14 +100,8 @@
         return getExpectedCallbackTime(nextVsyncTime, timing);
     }
 
-    bool const alreadyDispatchedForVsync = mLastDispatchTime &&
-            ((*mLastDispatchTime + mMinVsyncDistance) >= nextVsyncTime &&
-             (*mLastDispatchTime - mMinVsyncDistance) <= nextVsyncTime);
-    if (alreadyDispatchedForVsync) {
-        nextVsyncTime =
-                tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + mMinVsyncDistance);
-        nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
-    }
+    nextVsyncTime = adjustVsyncIfNeeded(tracker, nextVsyncTime);
+    nextWakeupTime = nextVsyncTime - timing.workDuration - timing.readyDuration;
 
     auto const nextReadyTime = nextVsyncTime - timing.readyDuration;
     mScheduleTiming = timing;
@@ -123,6 +117,25 @@
     return mWorkloadUpdateInfo.has_value();
 }
 
+nsecs_t VSyncDispatchTimerQueueEntry::adjustVsyncIfNeeded(VSyncTracker& tracker,
+                                                          nsecs_t nextVsyncTime) const {
+    bool const alreadyDispatchedForVsync = mLastDispatchTime &&
+            ((*mLastDispatchTime + mMinVsyncDistance) >= nextVsyncTime &&
+             (*mLastDispatchTime - mMinVsyncDistance) <= nextVsyncTime);
+    const nsecs_t currentPeriod = tracker.currentPeriod();
+    bool const nextVsyncTooClose = mLastDispatchTime &&
+            (nextVsyncTime - *mLastDispatchTime + mMinVsyncDistance) <= currentPeriod;
+    if (alreadyDispatchedForVsync) {
+        return tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + mMinVsyncDistance);
+    }
+
+    if (nextVsyncTooClose) {
+        return tracker.nextAnticipatedVSyncTimeFrom(*mLastDispatchTime + currentPeriod);
+    }
+
+    return nextVsyncTime;
+}
+
 void VSyncDispatchTimerQueueEntry::update(VSyncTracker& tracker, nsecs_t now) {
     if (!mArmedInfo && !mWorkloadUpdateInfo) {
         return;
@@ -136,7 +149,9 @@
     const auto earliestReadyBy = now + mScheduleTiming.workDuration + mScheduleTiming.readyDuration;
     const auto earliestVsync = std::max(earliestReadyBy, mScheduleTiming.earliestVsync);
 
-    const auto nextVsyncTime = tracker.nextAnticipatedVSyncTimeFrom(earliestVsync);
+    const auto nextVsyncTime =
+            adjustVsyncIfNeeded(tracker, /*nextVsyncTime*/
+                                tracker.nextAnticipatedVSyncTimeFrom(earliestVsync));
     const auto nextReadyTime = nextVsyncTime - mScheduleTiming.readyDuration;
     const auto nextWakeupTime = nextReadyTime - mScheduleTiming.workDuration;
 
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
index 4923031..4f2f87a 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
@@ -84,6 +84,8 @@
     void dump(std::string& result) const;
 
 private:
+    nsecs_t adjustVsyncIfNeeded(VSyncTracker& tracker, nsecs_t nextVsyncTime) const;
+
     const std::string mName;
     const VSyncDispatch::Callback mCallback;
 
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
index 77782e9..898e865 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
@@ -167,7 +167,9 @@
         vsyncTS[i] = timestamp;
         meanTS += timestamp;
 
-        const auto ordinal = (vsyncTS[i] + currentPeriod / 2) / currentPeriod * kScalingFactor;
+        const auto ordinal = currentPeriod == 0
+                ? 0
+                : (vsyncTS[i] + currentPeriod / 2) / currentPeriod * kScalingFactor;
         ordinals[i] = ordinal;
         meanOrdinal += ordinal;
     }
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.cpp b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
index be57b2a..138d8d6 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
@@ -53,14 +53,14 @@
         case Schedule::EarlyStart:
             if (token) {
                 mEarlyWakeupRequests.emplace(token);
-                token->linkToDeath(this);
+                token->linkToDeath(sp<DeathRecipient>::fromExisting(this));
             } else {
                 ALOGW("%s: EarlyStart requested without a valid token", __func__);
             }
             break;
         case Schedule::EarlyEnd: {
             if (token && mEarlyWakeupRequests.erase(token) > 0) {
-                token->unlinkToDeath(this);
+                token->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
             } else {
                 ALOGW("%s: Unexpected EarlyEnd", __func__);
             }
diff --git a/services/surfaceflinger/Scheduler/VsyncSchedule.cpp b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
index 3a918a1..95bc31f 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
@@ -68,6 +68,14 @@
 VsyncSchedule::VsyncSchedule(VsyncSchedule&&) = default;
 VsyncSchedule::~VsyncSchedule() = default;
 
+Period VsyncSchedule::period() const {
+    return Period::fromNs(mTracker->currentPeriod());
+}
+
+TimePoint VsyncSchedule::vsyncDeadlineAfter(TimePoint timePoint) const {
+    return TimePoint::fromNs(mTracker->nextAnticipatedVSyncTimeFrom(timePoint.ns()));
+}
+
 void VsyncSchedule::dump(std::string& out) const {
     out.append("VsyncController:\n");
     mController->dump(out);
diff --git a/services/surfaceflinger/Scheduler/VsyncSchedule.h b/services/surfaceflinger/Scheduler/VsyncSchedule.h
index 0d9b114..8c17409 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.h
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.h
@@ -20,6 +20,7 @@
 #include <string>
 
 #include <scheduler/Features.h>
+#include <scheduler/Time.h>
 
 namespace android::scheduler {
 
@@ -38,6 +39,9 @@
     VsyncSchedule(VsyncSchedule&&);
     ~VsyncSchedule();
 
+    Period period() const;
+    TimePoint vsyncDeadlineAfter(TimePoint) const;
+
     // TODO(b/185535769): Hide behind API.
     const VsyncTracker& getTracker() const { return *mTracker; }
     VsyncTracker& getTracker() { return *mTracker; }
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
new file mode 100644
index 0000000..23ae83f
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+#include <queue>
+#include <utility>
+
+#include <scheduler/Time.h>
+
+namespace android {
+
+class FenceTime;
+
+namespace scheduler {
+
+// Computes composite-to-present latency by tracking recently composited frames pending to present.
+class PresentLatencyTracker {
+public:
+    // For tests.
+    static constexpr size_t kMaxPendingFrames = 4;
+
+    // Returns the present latency of the latest frame.
+    Duration trackPendingFrame(TimePoint compositeTime,
+                               std::shared_ptr<FenceTime> presentFenceTime);
+
+private:
+    struct PendingFrame {
+        PendingFrame(TimePoint compositeTime, std::shared_ptr<FenceTime> presentFenceTime)
+              : compositeTime(compositeTime), presentFenceTime(std::move(presentFenceTime)) {}
+
+        const TimePoint compositeTime;
+        const std::shared_ptr<FenceTime> presentFenceTime;
+    };
+
+    std::queue<PendingFrame> mPendingFrames;
+};
+
+} // namespace scheduler
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/Time.h b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
new file mode 100644
index 0000000..2ca55d4
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <chrono>
+
+#include <utils/Timers.h>
+
+namespace android {
+namespace scheduler {
+
+// TODO(b/185535769): Pull Clock.h to libscheduler to reuse this.
+using SchedulerClock = std::chrono::high_resolution_clock;
+static_assert(SchedulerClock::is_steady);
+
+} // namespace scheduler
+
+struct Duration;
+
+struct TimePoint : scheduler::SchedulerClock::time_point {
+    constexpr TimePoint() = default;
+    explicit constexpr TimePoint(const Duration&);
+
+    // Implicit conversion from std::chrono counterpart.
+    constexpr TimePoint(scheduler::SchedulerClock::time_point p)
+          : scheduler::SchedulerClock::time_point(p) {}
+
+    static constexpr TimePoint fromNs(nsecs_t);
+
+    static TimePoint now() { return scheduler::SchedulerClock::now(); };
+
+    nsecs_t ns() const;
+};
+
+struct Duration : TimePoint::duration {
+    // Implicit conversion from std::chrono counterpart.
+    template <typename R, typename P>
+    constexpr Duration(std::chrono::duration<R, P> d) : TimePoint::duration(d) {}
+
+    static constexpr Duration fromNs(nsecs_t ns) { return {std::chrono::nanoseconds(ns)}; }
+
+    nsecs_t ns() const { return std::chrono::nanoseconds(*this).count(); }
+};
+
+using Period = Duration;
+
+constexpr TimePoint::TimePoint(const Duration& d) : scheduler::SchedulerClock::time_point(d) {}
+
+constexpr TimePoint TimePoint::fromNs(nsecs_t ns) {
+    return TimePoint(Duration::fromNs(ns));
+}
+
+inline nsecs_t TimePoint::ns() const {
+    return Duration(time_since_epoch()).ns();
+}
+
+// Shorthand to convert the tick count of a Duration to Period and Rep. For example:
+//
+//     const auto i = ticks<std::ratio<1>>(d);      // Integer seconds.
+//     const auto f = ticks<std::milli, float>(d);  // Floating-point milliseconds.
+//
+template <typename Period, typename Rep = Duration::rep>
+constexpr Rep ticks(Duration d) {
+    using D = std::chrono::duration<Rep, Period>;
+    return std::chrono::duration_cast<D>(d).count();
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/VsyncId.h b/services/surfaceflinger/Scheduler/include/scheduler/VsyncId.h
new file mode 100644
index 0000000..c64a3cd
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/VsyncId.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdint>
+
+namespace android {
+
+// TODO(b/185536303): Import StrongTyping.h into FTL so it can be used here.
+
+// Sequential frame identifier, also known as FrameTimeline token.
+struct VsyncId {
+    int64_t value = -1;
+};
+
+inline bool operator==(VsyncId lhs, VsyncId rhs) {
+    return lhs.value == rhs.value;
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
new file mode 100644
index 0000000..8f3e081
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <scheduler/PresentLatencyTracker.h>
+
+#include <cutils/compiler.h>
+#include <log/log.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+
+Duration PresentLatencyTracker::trackPendingFrame(TimePoint compositeTime,
+                                                  std::shared_ptr<FenceTime> presentFenceTime) {
+    Duration presentLatency = Duration::zero();
+    while (!mPendingFrames.empty()) {
+        const auto& pendingFrame = mPendingFrames.front();
+        const auto presentTime =
+                TimePoint::fromNs(pendingFrame.presentFenceTime->getCachedSignalTime());
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_PENDING)) {
+            break;
+        }
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_INVALID)) {
+            ALOGE("%s: Invalid present fence", __func__);
+        } else {
+            presentLatency = presentTime - pendingFrame.compositeTime;
+        }
+
+        mPendingFrames.pop();
+    }
+
+    mPendingFrames.emplace(compositeTime, std::move(presentFenceTime));
+
+    if (CC_UNLIKELY(mPendingFrames.size() > kMaxPendingFrames)) {
+        ALOGE("%s: Too many pending frames", __func__);
+        mPendingFrames.pop();
+    }
+
+    return presentLatency;
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
new file mode 100644
index 0000000..8952ca9
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <array>
+
+#include <scheduler/PresentLatencyTracker.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+namespace {
+
+using FencePair = std::pair<sp<Fence>, std::shared_ptr<FenceTime>>;
+
+FencePair makePendingFence(FenceToFenceTimeMap& fenceMap) {
+    const auto fence = sp<Fence>::make();
+    return {fence, fenceMap.createFenceTimeForTest(fence)};
+}
+
+} // namespace
+
+TEST(PresentLatencyTrackerTest, skipsInvalidFences) {
+    PresentLatencyTracker tracker;
+
+    const TimePoint kCompositeTime = TimePoint::fromNs(999);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+
+    FenceToFenceTimeMap fenceMap;
+    const auto [fence, fenceTime] = makePendingFence(fenceMap);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+
+    fenceTime->signalForTest(9999);
+
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE),
+              Duration::fromNs(9000));
+}
+
+TEST(PresentLatencyTrackerTest, tracksPendingFrames) {
+    PresentLatencyTracker tracker;
+
+    FenceToFenceTimeMap fenceMap;
+    std::array<FencePair, PresentLatencyTracker::kMaxPendingFrames> fences;
+    std::generate(fences.begin(), fences.end(), [&fenceMap] { return makePendingFence(fenceMap); });
+
+    // The present latency is 0 if all fences are pending.
+    const TimePoint kCompositeTime = TimePoint::fromNs(1234);
+    for (const auto& [fence, fenceTime] : fences) {
+        EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+    }
+
+    // If multiple frames have been presented...
+    constexpr size_t kPresentCount = fences.size() / 2;
+    for (size_t i = 0; i < kPresentCount; i++) {
+        fences[i].second->signalForTest(kCompositeTime.ns() + static_cast<nsecs_t>(i));
+    }
+
+    const auto fence = makePendingFence(fenceMap);
+
+    // ...then the present latency is measured using the latest frame.
+    constexpr Duration kPresentLatency = Duration::fromNs(static_cast<nsecs_t>(kPresentCount) - 1);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fence.second), kPresentLatency);
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f147991..fac0792 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -30,6 +30,7 @@
 #include <android-base/strings.h>
 #include <android/configuration.h>
 #include <android/gui/IDisplayEventConnection.h>
+#include <android/gui/StaticDisplayInfo.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/types.h>
@@ -52,9 +53,11 @@
 #include <configstore/Utils.h>
 #include <cutils/compiler.h>
 #include <cutils/properties.h>
+#include <ftl/algorithm.h>
 #include <ftl/fake_guard.h>
 #include <ftl/future.h>
-#include <ftl/small_map.h>
+#include <ftl/unit.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/BufferQueue.h>
 #include <gui/DebugEGLImageTracker.h>
 #include <gui/IProducerListener.h>
@@ -103,12 +106,9 @@
 
 #include <ui/DisplayIdentification.h>
 #include "BackgroundExecutor.h"
-#include "BufferLayer.h"
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
 #include "Client.h"
 #include "Colorizer.h"
-#include "ContainerLayer.h"
+#include "Display/DisplayMap.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/ComposerHal.h"
 #include "DisplayHardware/FramebufferSurface.h"
@@ -117,7 +117,6 @@
 #include "DisplayHardware/PowerAdvisor.h"
 #include "DisplayHardware/VirtualDisplaySurface.h"
 #include "DisplayRenderArea.h"
-#include "EffectLayer.h"
 #include "Effects/Daltonizer.h"
 #include "FlagManager.h"
 #include "FpsReporter.h"
@@ -128,7 +127,6 @@
 #include "LayerProtoHelper.h"
 #include "LayerRenderArea.h"
 #include "LayerVector.h"
-#include "MonitoredProducer.h"
 #include "MutexUtils.h"
 #include "NativeWindowSurface.h"
 #include "RefreshRateOverlay.h"
@@ -144,6 +142,7 @@
 #include "SurfaceInterceptor.h"
 #include "TimeStats/TimeStats.h"
 #include "TunnelModeEnabledReporter.h"
+#include "Utils/Dumper.h"
 #include "WindowInfosListenerInvoker.h"
 
 #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
@@ -154,8 +153,13 @@
 #define NO_THREAD_SAFETY_ANALYSIS \
     _Pragma("GCC error \"Prefer <ftl/fake_guard.h> or MutexUtils.h helpers.\"")
 
+// To enable layer borders in the system, change the below flag to true.
+#undef DOES_CONTAIN_BORDER
+#define DOES_CONTAIN_BORDER false
+
 namespace android {
 
+using namespace std::chrono_literals;
 using namespace std::string_literals;
 
 using namespace hardware::configstore;
@@ -169,11 +173,15 @@
         OutputCompositionState::CompositionStrategyPredictionState;
 
 using base::StringAppendF;
+using display::PhysicalDisplay;
+using display::PhysicalDisplays;
 using gui::DisplayInfo;
+using gui::GameMode;
 using gui::IDisplayEventConnection;
 using gui::IWindowInfosListener;
+using gui::LayerMetadata;
 using gui::WindowInfo;
-using ui::ColorMode;
+using gui::aidl_utils::binderStatusFromStatusT;
 using ui::Dataspace;
 using ui::DisplayPrimaries;
 using ui::RenderIntent;
@@ -184,33 +192,6 @@
 
 namespace {
 
-#pragma clang diagnostic push
-#pragma clang diagnostic error "-Wswitch-enum"
-
-bool isWideColorMode(const ColorMode colorMode) {
-    switch (colorMode) {
-        case ColorMode::DISPLAY_P3:
-        case ColorMode::ADOBE_RGB:
-        case ColorMode::DCI_P3:
-        case ColorMode::BT2020:
-        case ColorMode::DISPLAY_BT2020:
-        case ColorMode::BT2100_PQ:
-        case ColorMode::BT2100_HLG:
-            return true;
-        case ColorMode::NATIVE:
-        case ColorMode::STANDARD_BT601_625:
-        case ColorMode::STANDARD_BT601_625_UNADJUSTED:
-        case ColorMode::STANDARD_BT601_525:
-        case ColorMode::STANDARD_BT601_525_UNADJUSTED:
-        case ColorMode::STANDARD_BT709:
-        case ColorMode::SRGB:
-            return false;
-    }
-    return false;
-}
-
-#pragma clang diagnostic pop
-
 // TODO(b/141333600): Consolidate with DisplayMode::Builder::getDefaultDensity.
 constexpr float FALLBACK_DENSITY = ACONFIGURATION_DENSITY_TV;
 
@@ -273,6 +254,8 @@
 
 const char* KERNEL_IDLE_TIMER_PROP = "graphics.display.kernel_idle_timer.enabled";
 
+static const int MAX_TRACING_MEMORY = 1024 * 1024 * 1024; // 1GB
+
 // ---------------------------------------------------------------------------
 int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
 bool SurfaceFlinger::useHwcForRgbToYuv;
@@ -280,7 +263,6 @@
 int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
 uint32_t SurfaceFlinger::maxGraphicsWidth;
 uint32_t SurfaceFlinger::maxGraphicsHeight;
-bool SurfaceFlinger::hasWideColorDisplay;
 bool SurfaceFlinger::useContextPriority;
 Dataspace SurfaceFlinger::defaultCompositionDataspace = Dataspace::V0_SRGB;
 ui::PixelFormat SurfaceFlinger::defaultCompositionPixelFormat = ui::PixelFormat::RGBA_8888;
@@ -327,11 +309,11 @@
         mFrameTimeline(mFactory.createFrameTimeline(mTimeStats, mPid)),
         mCompositionEngine(mFactory.createCompositionEngine()),
         mHwcServiceName(base::GetProperty("debug.sf.hwc_service_name"s, "default"s)),
-        mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),
+        mTunnelModeEnabledReporter(sp<TunnelModeEnabledReporter>::make()),
         mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),
         mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),
         mPowerAdvisor(std::make_unique<Hwc2::impl::PowerAdvisor>(*this)),
-        mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make(*this)) {
+        mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make()) {
     ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());
 }
 
@@ -349,11 +331,11 @@
     maxGraphicsWidth = std::max(max_graphics_width(0), 0);
     maxGraphicsHeight = std::max(max_graphics_height(0), 0);
 
-    hasWideColorDisplay = has_wide_color_display(false);
+    mSupportsWideColor = has_wide_color_display(false);
     mDefaultCompositionDataspace =
             static_cast<ui::Dataspace>(default_composition_dataspace(Dataspace::V0_SRGB));
     mWideColorGamutCompositionDataspace = static_cast<ui::Dataspace>(wcg_composition_dataspace(
-            hasWideColorDisplay ? Dataspace::DISPLAY_P3 : Dataspace::V0_SRGB));
+            mSupportsWideColor ? Dataspace::DISPLAY_P3 : Dataspace::V0_SRGB));
     defaultCompositionDataspace = mDefaultCompositionDataspace;
     wideColorGamutCompositionDataspace = mWideColorGamutCompositionDataspace;
     defaultCompositionPixelFormat = static_cast<ui::PixelFormat>(
@@ -402,7 +384,7 @@
     property_get("ro.sf.blurs_are_expensive", value, "0");
     mBlursAreExpensive = atoi(value);
 
-    const size_t defaultListSize = ISurfaceComposer::MAX_LAYERS;
+    const size_t defaultListSize = MAX_LAYERS;
     auto listSize = property_get_int32("debug.sf.max_igbp_list_size", int32_t(defaultListSize));
     mMaxGraphicBufferProducerListSize = (listSize > 0) ? size_t(listSize) : defaultListSize;
     mGraphicBufferProducerListSizeLogThreshold =
@@ -452,14 +434,14 @@
 }
 
 LatchUnsignaledConfig SurfaceFlinger::getLatchUnsignaledConfig() {
-    if (base::GetBoolProperty("debug.sf.latch_unsignaled"s, false)) {
-        return LatchUnsignaledConfig::Always;
-    }
-
     if (base::GetBoolProperty("debug.sf.auto_latch_unsignaled"s, true)) {
         return LatchUnsignaledConfig::AutoSingleLayer;
     }
 
+    if (base::GetBoolProperty("debug.sf.latch_unsignaled"s, false)) {
+        return LatchUnsignaledConfig::Always;
+    }
+
     return LatchUnsignaledConfig::Disabled;
 }
 
@@ -470,7 +452,8 @@
     mBootFinished = false;
 
     // Sever the link to inputflinger since it's gone as well.
-    static_cast<void>(mScheduler->schedule([=] { mInputFlinger = nullptr; }));
+    static_cast<void>(mScheduler->schedule(
+            [this] { mInputFlinger.clear(); }));
 
     // restore initial conditions (default device unblank, etc)
     initializeDisplays();
@@ -483,11 +466,6 @@
     mScheduler->run();
 }
 
-sp<ISurfaceComposerClient> SurfaceFlinger::createConnection() {
-    const sp<Client> client = new Client(this);
-    return client->initCheck() == NO_ERROR ? client : nullptr;
-}
-
 sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secure) {
     // onTransact already checks for some permissions, but adding an additional check here.
     // This is to ensure that only system and graphics can request to create a secure
@@ -503,7 +481,7 @@
         virtual ~DisplayToken() {
              // no more references, this display must be terminated
              Mutex::Autolock _l(flinger->mStateLock);
-             flinger->mCurrentState.displays.removeItem(this);
+             flinger->mCurrentState.displays.removeItem(wp<IBinder>::fromExisting(this));
              flinger->setTransactionFlags(eDisplayTransactionNeeded);
          }
      public:
@@ -512,7 +490,7 @@
         }
     };
 
-    sp<BBinder> token = new DisplayToken(this);
+    sp<BBinder> token = sp<DisplayToken>::make(sp<SurfaceFlinger>::fromExisting(this));
 
     Mutex::Autolock _l(mStateLock);
     // Display ID is assigned when virtual display is allocated by HWC.
@@ -590,12 +568,12 @@
 
 std::vector<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIdsLocked() const {
     std::vector<PhysicalDisplayId> displayIds;
-    displayIds.reserve(mPhysicalDisplayTokens.size());
+    displayIds.reserve(mPhysicalDisplays.size());
 
     const auto defaultDisplayId = getDefaultDisplayDeviceLocked()->getPhysicalId();
     displayIds.push_back(defaultDisplayId);
 
-    for (const auto& [id, token] : mPhysicalDisplayTokens) {
+    for (const auto& [id, display] : mPhysicalDisplays) {
         if (id != defaultDisplayId) {
             displayIds.push_back(id);
         }
@@ -604,10 +582,10 @@
     return displayIds;
 }
 
-status_t SurfaceFlinger::getPrimaryPhysicalDisplayId(PhysicalDisplayId* id) const {
-    Mutex::Autolock lock(mStateLock);
-    *id = getPrimaryDisplayIdLocked();
-    return NO_ERROR;
+std::optional<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIdLocked(
+        const sp<display::DisplayToken>& displayToken) const {
+    return ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+            .transform(&ftl::to_key<PhysicalDisplays>);
 }
 
 sp<IBinder> SurfaceFlinger::getPhysicalDisplayToken(PhysicalDisplayId displayId) const {
@@ -660,7 +638,7 @@
     const String16 name("window");
     mWindowManager = defaultServiceManager()->getService(name);
     if (mWindowManager != 0) {
-        mWindowManager->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
+        mWindowManager->linkToDeath(sp<IBinder::DeathRecipient>::fromExisting(this));
     }
 
     // stop boot animation
@@ -674,7 +652,7 @@
 
     sp<IBinder> input(defaultServiceManager()->getService(String16("inputflinger")));
 
-    static_cast<void>(mScheduler->schedule([=] {
+    static_cast<void>(mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) {
         if (input == nullptr) {
             ALOGE("Failed to link to input service");
         } else {
@@ -702,8 +680,9 @@
 
         mBootStage = BootStage::FINISHED;
 
-        if (property_get_bool("sf.debug.show_refresh_rate_overlay", false)) {
-            FTL_FAKE_GUARD(mStateLock, enableRefreshRateOverlay(true));
+        if (base::GetBoolProperty("sf.debug.show_refresh_rate_overlay"s, false)) {
+            ftl::FakeGuard guard(mStateLock);
+            enableRefreshRateOverlay(true);
         }
     }));
 }
@@ -765,10 +744,10 @@
 
 // Do not call property_set on main thread which will be blocked by init
 // Use StartPropertySetThread instead.
-void SurfaceFlinger::init() {
+void SurfaceFlinger::init() FTL_FAKE_GUARD(kMainThreadContext) {
     ALOGI(  "SurfaceFlinger's main thread ready to run. "
             "Initializing graphics H/W...");
-    Mutex::Autolock _l(mStateLock);
+    Mutex::Autolock lock(mStateLock);
 
     // Get a RenderEngine for the given display / config (can't fail)
     // TODO(b/77156734): We need to stop casting and use HAL types when possible.
@@ -807,13 +786,36 @@
         enableHalVirtualDisplays(true);
     }
 
-    // Process any initial hotplug and resulting display changes.
-    processDisplayHotplugEventsLocked();
-    const auto display = getDefaultDisplayDeviceLocked();
-    LOG_ALWAYS_FATAL_IF(!display, "Missing primary display after registering composer callback.");
-    const auto displayId = display->getPhysicalId();
-    LOG_ALWAYS_FATAL_IF(!getHwComposer().isConnected(displayId),
-                        "Primary display is disconnected.");
+    // Process hotplug for displays connected at boot.
+    LOG_ALWAYS_FATAL_IF(!configureLocked(),
+                        "Initial display configuration failed: HWC did not hotplug");
+
+    // Commit primary display.
+    sp<const DisplayDevice> display;
+    if (const auto indexOpt = mCurrentState.getDisplayIndex(getPrimaryDisplayIdLocked())) {
+        const auto& displays = mCurrentState.displays;
+
+        const auto& token = displays.keyAt(*indexOpt);
+        const auto& state = displays.valueAt(*indexOpt);
+
+        processDisplayAdded(token, state);
+        mDrawingState.displays.add(token, state);
+
+        display = getDefaultDisplayDeviceLocked();
+    }
+
+    LOG_ALWAYS_FATAL_IF(!display, "Failed to configure the primary display");
+    LOG_ALWAYS_FATAL_IF(!getHwComposer().isConnected(display->getPhysicalId()),
+                        "Primary display is disconnected");
+
+    // TODO(b/241285876): The Scheduler needlessly depends on creating the CompositionEngine part of
+    // the DisplayDevice, hence the above commit of the primary display. Remove that special case by
+    // initializing the Scheduler after configureLocked, once decoupled from DisplayDevice.
+    initScheduler(display);
+    dispatchDisplayHotplugEvent(display->getPhysicalId(), true);
+
+    // Commit secondary display(s).
+    processDisplayChangesLocked();
 
     // initialize our drawing state
     mDrawingState = mCurrentState;
@@ -865,8 +867,8 @@
     property_get("persist.sys.sf.native_mode", value, "0");
     mDisplayColorSetting = static_cast<DisplayColorSetting>(atoi(value));
 
-    property_get("persist.sys.sf.color_mode", value, "0");
-    mForceColorMode = static_cast<ColorMode>(atoi(value));
+    mForceColorMode =
+            static_cast<ui::ColorMode>(base::GetIntProperty("persist.sys.sf.color_mode"s, 0));
 }
 
 void SurfaceFlinger::startBootAnim() {
@@ -881,17 +883,6 @@
 
 // ----------------------------------------------------------------------------
 
-bool SurfaceFlinger::authenticateSurfaceTexture(
-        const sp<IGraphicBufferProducer>& bufferProducer) const {
-    Mutex::Autolock _l(mStateLock);
-    return authenticateSurfaceTextureLocked(bufferProducer);
-}
-
-bool SurfaceFlinger::authenticateSurfaceTextureLocked(
-        const sp<IGraphicBufferProducer>& /* bufferProducer */) const {
-    return false;
-}
-
 status_t SurfaceFlinger::getSupportedFrameTimestamps(
         std::vector<FrameEvent>* outSupported) const {
     *outSupported = {
@@ -943,16 +934,19 @@
 
     Mutex::Autolock lock(mStateLock);
 
-    const auto display = getDisplayDeviceLocked(displayToken);
-    if (!display) {
+    const auto displayOpt = ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                                    .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                                    .and_then(getDisplayDeviceAndSnapshot());
+
+    if (!displayOpt) {
         return NAME_NOT_FOUND;
     }
 
-    if (const auto connectionType = display->getConnectionType())
-        info->connectionType = *connectionType;
-    else {
-        return INVALID_OPERATION;
-    }
+    const auto& [display, snapshotRef] = *displayOpt;
+    const auto& snapshot = snapshotRef.get();
+
+    info->connectionType = snapshot.connectionType();
+    info->deviceProductInfo = snapshot.deviceProductInfo();
 
     if (mEmulatedDisplayDensity) {
         info->density = mEmulatedDisplayDensity;
@@ -964,7 +958,6 @@
     info->density /= ACONFIGURATION_DENSITY_MEDIUM;
 
     info->secure = display->isSecure();
-    info->deviceProductInfo = display->getDeviceProductInfo();
     info->installOrientation = display->getPhysicalOrientation();
 
     return NO_ERROR;
@@ -978,23 +971,22 @@
 
     Mutex::Autolock lock(mStateLock);
 
-    const auto display = getDisplayDeviceLocked(displayToken);
-    if (!display) {
+    const auto displayOpt = ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                                    .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                                    .and_then(getDisplayDeviceAndSnapshot());
+    if (!displayOpt) {
         return NAME_NOT_FOUND;
     }
 
-    const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-    if (!displayId) {
-        return INVALID_OPERATION;
-    }
+    const auto& [display, snapshotRef] = *displayOpt;
+    const auto& snapshot = snapshotRef.get();
 
-    info->activeDisplayModeId = display->getActiveMode()->getId().value();
+    const auto& displayModes = snapshot.displayModes();
 
-    const auto& supportedModes = display->getSupportedModes();
     info->supportedDisplayModes.clear();
-    info->supportedDisplayModes.reserve(supportedModes.size());
+    info->supportedDisplayModes.reserve(displayModes.size());
 
-    for (const auto& [id, mode] : supportedModes) {
+    for (const auto& [id, mode] : displayModes) {
         ui::DisplayMode outMode;
         outMode.id = static_cast<int32_t>(id.value());
 
@@ -1038,21 +1030,25 @@
         info->supportedDisplayModes.push_back(outMode);
     }
 
+    info->supportedColorModes = snapshot.filterColorModes(mSupportsWideColor);
+
+    const PhysicalDisplayId displayId = snapshot.displayId();
+
+    info->activeDisplayModeId = display->refreshRateConfigs().getActiveModePtr()->getId().value();
     info->activeColorMode = display->getCompositionDisplay()->getState().colorMode;
-    info->supportedColorModes = getDisplayColorModes(*display);
     info->hdrCapabilities = display->getHdrCapabilities();
 
     info->autoLowLatencyModeSupported =
-            getHwComposer().hasDisplayCapability(*displayId,
+            getHwComposer().hasDisplayCapability(displayId,
                                                  DisplayCapability::AUTO_LOW_LATENCY_MODE);
     info->gameContentTypeSupported =
-            getHwComposer().supportsContentType(*displayId, hal::ContentType::GAME);
+            getHwComposer().supportsContentType(displayId, hal::ContentType::GAME);
 
     info->preferredBootDisplayMode = static_cast<ui::DisplayModeId>(-1);
 
     if (getHwComposer().hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
-        if (const auto hwcId = getHwComposer().getPreferredBootDisplayMode(*displayId)) {
-            if (const auto modeId = display->translateModeId(*hwcId)) {
+        if (const auto hwcId = getHwComposer().getPreferredBootDisplayMode(displayId)) {
+            if (const auto modeId = snapshot.translateModeId(*hwcId)) {
                 info->preferredBootDisplayMode = modeId->value();
             }
         }
@@ -1061,12 +1057,14 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>&, DisplayStatInfo* stats) {
-    if (!stats) {
+status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>&, DisplayStatInfo* outStats) {
+    if (!outStats) {
         return BAD_VALUE;
     }
 
-    *stats = mScheduler->getDisplayStatInfo(systemTime());
+    const auto& schedule = mScheduler->getVsyncSchedule();
+    outStats->vsyncTime = schedule.vsyncDeadlineAfter(TimePoint::now()).ns();
+    outStats->vsyncPeriod = schedule.period().ns();
     return NO_ERROR;
 }
 
@@ -1098,42 +1096,50 @@
     }
 }
 
-status_t SurfaceFlinger::setActiveModeFromBackdoor(const sp<IBinder>& displayToken, int modeId) {
+status_t SurfaceFlinger::setActiveModeFromBackdoor(const sp<display::DisplayToken>& displayToken,
+                                                   DisplayModeId modeId) {
     ATRACE_CALL();
 
     if (!displayToken) {
         return BAD_VALUE;
     }
 
-    auto future = mScheduler->schedule([=]() -> status_t {
-        const auto display = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(displayToken));
-        if (!display) {
-            ALOGE("Attempt to set allowed display modes for invalid display token %p",
-                  displayToken.get());
+    const char* const whence = __func__;
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) -> status_t {
+        const auto displayOpt =
+                FTL_FAKE_GUARD(mStateLock,
+                               ftl::find_if(mPhysicalDisplays,
+                                            PhysicalDisplay::hasToken(displayToken))
+                                       .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                                       .and_then(getDisplayDeviceAndSnapshot()));
+        if (!displayOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGW("Attempt to set allowed display modes for virtual display");
-            return INVALID_OPERATION;
-        }
+        const auto& [display, snapshotRef] = *displayOpt;
+        const auto& snapshot = snapshotRef.get();
 
-        const auto mode = display->getMode(DisplayModeId{modeId});
-        if (!mode) {
-            ALOGW("Attempt to switch to an unsupported mode %d.", modeId);
+        const auto fpsOpt = snapshot.displayModes().get(modeId).transform(
+                [](const DisplayModePtr& mode) { return mode->getFps(); });
+
+        if (!fpsOpt) {
+            ALOGE("%s: Invalid mode %d for display %s", whence, modeId.value(),
+                  to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
-        const auto fps = mode->getFps();
-        // Keep the old switching type.
-        const auto allowGroupSwitching =
-                display->refreshRateConfigs().getCurrentPolicy().allowGroupSwitching;
-        const scheduler::RefreshRateConfigs::Policy policy{mode->getId(),
-                                                           allowGroupSwitching,
-                                                           {fps, fps}};
-        constexpr bool kOverridePolicy = false;
+        const Fps fps = *fpsOpt;
 
-        return setDesiredDisplayModeSpecsInternal(display, policy, kOverridePolicy);
+        // Keep the old switching type.
+        const bool allowGroupSwitching =
+                display->refreshRateConfigs().getCurrentPolicy().allowGroupSwitching;
+
+        const scheduler::RefreshRateConfigs::DisplayManagerPolicy policy{modeId,
+                                                                         allowGroupSwitching,
+                                                                         {fps, fps}};
+
+        return setDesiredDisplayModeSpecsInternal(display, policy);
     });
 
     return future.get();
@@ -1147,16 +1153,14 @@
         return;
     }
 
-    const auto upcomingModeInfo =
-            FTL_FAKE_GUARD(kMainThreadContext, display->getUpcomingActiveMode());
-
+    const auto upcomingModeInfo = display->getUpcomingActiveMode();
     if (!upcomingModeInfo.mode) {
         // There is no pending mode change. This can happen if the active
         // display changed and the mode change happened on a different display.
         return;
     }
 
-    if (display->getActiveMode()->getResolution() != upcomingModeInfo.mode->getResolution()) {
+    if (display->getActiveMode().getResolution() != upcomingModeInfo.mode->getResolution()) {
         auto& state = mCurrentState.displays.editValueFor(display->getDisplayToken());
         // We need to generate new sequenceId in order to recreate the display (and this
         // way the framebuffer).
@@ -1168,9 +1172,12 @@
         return;
     }
 
-    // We just created this display so we can call even if we are not on the main thread.
-    ftl::FakeGuard guard(kMainThreadContext);
-    display->setActiveMode(upcomingModeInfo.mode->getId());
+    mPhysicalDisplays.get(display->getPhysicalId())
+            .transform(&PhysicalDisplay::snapshotRef)
+            .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                FTL_FAKE_GUARD(kMainThreadContext,
+                               display->setActiveMode(upcomingModeInfo.mode->getId(), snapshot));
+            }));
 
     const Fps refreshRate = upcomingModeInfo.mode->getFps();
     mRefreshRateStats->setRefreshRate(refreshRate);
@@ -1183,7 +1190,7 @@
 
 void SurfaceFlinger::clearDesiredActiveModeState(const sp<DisplayDevice>& display) {
     display->clearDesiredActiveModeState();
-    if (isDisplayActiveLocked(display)) {
+    if (display->getPhysicalId() == mActiveDisplayId) {
         mScheduler->setModeChangePending(false);
     }
 }
@@ -1200,39 +1207,46 @@
 
     std::optional<PhysicalDisplayId> displayToUpdateImmediately;
 
-    for (const auto& iter : mDisplays) {
-        const auto& display = iter.second;
-        if (!display || !display->isInternal()) {
+    for (const auto& [id, physical] : mPhysicalDisplays) {
+        const auto& snapshot = physical.snapshot();
+
+        if (snapshot.connectionType() != ui::DisplayConnectionType::Internal) {
             continue;
         }
 
+        const auto display = getDisplayDeviceLocked(id);
+        if (!display) continue;
+
         // Store the local variable to release the lock.
         const auto desiredActiveMode = display->getDesiredActiveMode();
         if (!desiredActiveMode) {
-            // No desired active mode pending to be applied
+            // No desired active mode pending to be applied.
             continue;
         }
 
-        if (!isDisplayActiveLocked(display)) {
-            // display is no longer the active display, so abort the mode change
+        if (id != mActiveDisplayId) {
+            // Display is no longer the active display, so abort the mode change.
             clearDesiredActiveModeState(display);
             continue;
         }
 
-        const auto desiredMode = display->getMode(desiredActiveMode->mode->getId());
-        if (!desiredMode) {
+        const auto desiredModeId = desiredActiveMode->mode->getId();
+        const auto refreshRateOpt =
+                snapshot.displayModes()
+                        .get(desiredModeId)
+                        .transform([](const DisplayModePtr& mode) { return mode->getFps(); });
+
+        if (!refreshRateOpt) {
             ALOGW("Desired display mode is no longer supported. Mode ID = %d",
-                  desiredActiveMode->mode->getId().value());
+                  desiredModeId.value());
             clearDesiredActiveModeState(display);
             continue;
         }
 
-        const auto refreshRate = desiredMode->getFps();
-        ALOGV("%s changing active mode to %d(%s) for display %s", __func__,
-              desiredMode->getId().value(), to_string(refreshRate).c_str(),
-              to_string(display->getId()).c_str());
+        ALOGV("%s changing active mode to %d(%s) for display %s", __func__, desiredModeId.value(),
+              to_string(*refreshRateOpt).c_str(), to_string(display->getId()).c_str());
 
-        if (display->getActiveMode()->getId() == desiredActiveMode->mode->getId()) {
+        if (display->getActiveMode().getId() == desiredModeId) {
             // we are already in the requested mode, there is nothing left to do
             desiredActiveModeChangeDone(display);
             continue;
@@ -1241,8 +1255,7 @@
         // Desired active mode was set, it is different than the mode currently in use, however
         // allowed modes might have changed by the time we process the refresh.
         // Make sure the desired mode is still allowed
-        const auto displayModeAllowed =
-                display->refreshRateConfigs().isModeAllowed(desiredActiveMode->mode->getId());
+        const auto displayModeAllowed = display->refreshRateConfigs().isModeAllowed(desiredModeId);
         if (!displayModeAllowed) {
             clearDesiredActiveModeState(display);
             continue;
@@ -1254,9 +1267,8 @@
         constraints.seamlessRequired = false;
         hal::VsyncPeriodChangeTimeline outTimeline;
 
-        const auto status = FTL_FAKE_GUARD(kMainThreadContext,
-                                           display->initiateModeChange(*desiredActiveMode,
-                                                                       constraints, &outTimeline));
+        const auto status =
+                display->initiateModeChange(*desiredActiveMode, constraints, &outTimeline);
 
         if (status != NO_ERROR) {
             // initiateModeChange may fail if a hotplug event is just about
@@ -1264,6 +1276,8 @@
             ALOGW("initiateModeChange failed: %d", status);
             continue;
         }
+
+        display->refreshRateConfigs().onModeChangeInitiated();
         mScheduler->onNewVsyncPeriodChangeTimeline(outTimeline);
 
         if (outTimeline.refreshRequired) {
@@ -1283,7 +1297,7 @@
         const auto display = getDisplayDeviceLocked(*displayToUpdateImmediately);
         const auto desiredActiveMode = display->getDesiredActiveMode();
         if (desiredActiveMode &&
-            display->getActiveMode()->getId() == desiredActiveMode->mode->getId()) {
+            display->getActiveMode().getId() == desiredActiveMode->mode->getId()) {
             desiredActiveModeChangeDone(display);
         }
     }
@@ -1304,22 +1318,6 @@
     future.wait();
 }
 
-std::vector<ColorMode> SurfaceFlinger::getDisplayColorModes(const DisplayDevice& display) {
-    auto modes = getHwComposer().getColorModes(display.getPhysicalId());
-
-    // If the display is internal and the configuration claims it's not wide color capable,
-    // filter out all wide color modes. The typical reason why this happens is that the
-    // hardware is not good enough to support GPU composition of wide color, and thus the
-    // OEMs choose to disable this capability.
-    if (display.getConnectionType() == ui::DisplayConnectionType::Internal &&
-        !hasWideColorDisplay) {
-        const auto newEnd = std::remove_if(modes.begin(), modes.end(), isWideColorMode);
-        modes.erase(newEnd, modes.end());
-    }
-
-    return modes;
-}
-
 status_t SurfaceFlinger::getDisplayNativePrimaries(const sp<IBinder>& displayToken,
                                                    ui::DisplayPrimaries& primaries) {
     if (!displayToken) {
@@ -1328,13 +1326,13 @@
 
     Mutex::Autolock lock(mStateLock);
 
-    const auto display = getDisplayDeviceLocked(displayToken);
+    const auto display = ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                                 .transform(&ftl::to_mapped_ref<PhysicalDisplays>);
     if (!display) {
         return NAME_NOT_FOUND;
     }
 
-    const auto connectionType = display->getConnectionType();
-    if (connectionType != ui::DisplayConnectionType::Internal) {
+    if (!display.transform(&PhysicalDisplay::isInternal).value()) {
         return INVALID_OPERATION;
     }
 
@@ -1343,31 +1341,32 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& displayToken, ColorMode mode) {
+status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode mode) {
     if (!displayToken) {
         return BAD_VALUE;
     }
 
+    const char* const whence = __func__;
     auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) -> status_t {
-        const auto display = getDisplayDeviceLocked(displayToken);
-        if (!display) {
-            ALOGE("Attempt to set active color mode %s (%d) for invalid display token %p",
-                  decodeColorMode(mode).c_str(), mode, displayToken.get());
+        const auto displayOpt =
+                ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                        .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                        .and_then(getDisplayDeviceAndSnapshot());
+
+        if (!displayOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGW("Attempt to set active color mode %s (%d) for virtual display",
-                  decodeColorMode(mode).c_str(), mode);
-            return INVALID_OPERATION;
-        }
+        const auto& [display, snapshotRef] = *displayOpt;
+        const auto& snapshot = snapshotRef.get();
 
-        const auto modes = getDisplayColorModes(*display);
+        const auto modes = snapshot.filterColorModes(mSupportsWideColor);
         const bool exists = std::find(modes.begin(), modes.end(), mode) != modes.end();
 
-        if (mode < ColorMode::NATIVE || !exists) {
-            ALOGE("Attempt to set invalid active color mode %s (%d) for display token %p",
-                  decodeColorMode(mode).c_str(), mode, displayToken.get());
+        if (mode < ui::ColorMode::NATIVE || !exists) {
+            ALOGE("%s: Invalid color mode %s (%d) for display %s", whence,
+                  decodeColorMode(mode).c_str(), mode, to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
@@ -1390,30 +1389,31 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setBootDisplayMode(const sp<IBinder>& displayToken,
-                                            ui::DisplayModeId modeId) {
+status_t SurfaceFlinger::setBootDisplayMode(const sp<display::DisplayToken>& displayToken,
+                                            DisplayModeId modeId) {
     const char* const whence = __func__;
     auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) -> status_t {
-        const auto display = getDisplayDeviceLocked(displayToken);
-        if (!display) {
-            ALOGE("%s: Invalid display token %p", whence, displayToken.get());
+        const auto snapshotOpt =
+                ftl::find_if(mPhysicalDisplays, PhysicalDisplay::hasToken(displayToken))
+                        .transform(&ftl::to_mapped_ref<PhysicalDisplays>)
+                        .transform(&PhysicalDisplay::snapshotRef);
+
+        if (!snapshotOpt) {
+            ALOGE("%s: Invalid physical display token %p", whence, displayToken.get());
             return NAME_NOT_FOUND;
         }
 
-        if (display->isVirtual()) {
-            ALOGE("%s: Invalid operation on virtual display", whence);
-            return INVALID_OPERATION;
-        }
+        const auto& snapshot = snapshotOpt->get();
+        const auto hwcIdOpt = snapshot.displayModes().get(modeId).transform(
+                [](const DisplayModePtr& mode) { return mode->getHwcId(); });
 
-        const auto displayId = display->getPhysicalId();
-        const auto mode = display->getMode(DisplayModeId{modeId});
-        if (!mode) {
-            ALOGE("%s: Invalid mode %d for display %s", whence, modeId,
-                  to_string(displayId).c_str());
+        if (!hwcIdOpt) {
+            ALOGE("%s: Invalid mode %d for display %s", whence, modeId.value(),
+                  to_string(snapshot.displayId()).c_str());
             return BAD_VALUE;
         }
 
-        return getHwComposer().setBootDisplayMode(displayId, mode->getHwcId());
+        return getHwComposer().setBootDisplayMode(snapshot.displayId(), *hwcIdOpt);
     });
     return future.get();
 }
@@ -1454,18 +1454,6 @@
     }));
 }
 
-status_t SurfaceFlinger::clearAnimationFrameStats() {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.clearStats();
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.getStats(outStats);
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::overrideHdrTypes(const sp<IBinder>& displayToken,
                                           const std::vector<ui::Hdr>& hdrTypes) {
     Mutex::Autolock lock(mStateLock);
@@ -1556,7 +1544,7 @@
     }
 
     *outIsWideColorDisplay =
-            display->isPrimary() ? hasWideColorDisplay : display->hasWideColorGamut();
+            display->isPrimary() ? mSupportsWideColor : display->hasWideColorGamut();
     return NO_ERROR;
 }
 
@@ -1575,15 +1563,13 @@
 
 status_t SurfaceFlinger::injectVSync(nsecs_t when) {
     Mutex::Autolock lock(mStateLock);
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(when);
-    const auto expectedPresent = calculateExpectedPresentTime(stats);
-    return mScheduler->injectVSync(when, /*expectedVSyncTime=*/expectedPresent,
-                                   /*deadlineTimestamp=*/expectedPresent)
-            ? NO_ERROR
-            : BAD_VALUE;
+    const nsecs_t expectedPresentTime = calculateExpectedPresentTime(TimePoint::fromNs(when)).ns();
+    const nsecs_t deadlineTimestamp = expectedPresentTime;
+    return mScheduler->injectVSync(when, expectedPresentTime, deadlineTimestamp) ? NO_ERROR
+                                                                                 : BAD_VALUE;
 }
 
-status_t SurfaceFlinger::getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) {
+status_t SurfaceFlinger::getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) {
     outLayers->clear();
     auto future = mScheduler->schedule([=] {
         const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
@@ -1815,10 +1801,11 @@
 // ----------------------------------------------------------------------------
 
 sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
-        ISurfaceComposer::VsyncSource vsyncSource,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration) {
+        gui::ISurfaceComposer::VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) {
     const auto& handle =
-            vsyncSource == eVsyncSourceSurfaceFlinger ? mSfConnectionHandle : mAppConnectionHandle;
+            vsyncSource == gui::ISurfaceComposer::VsyncSource::eVsyncSourceSurfaceFlinger
+            ? mSfConnectionHandle
+            : mAppConnectionHandle;
 
     return mScheduler->createDisplayEventConnection(handle, eventRegistration);
 }
@@ -1866,20 +1853,13 @@
     ATRACE_FORMAT("onComposerHalVsync%s", tracePeriod.c_str());
 
     Mutex::Autolock lock(mStateLock);
-    const auto displayId = getHwComposer().toPhysicalDisplayId(hwcDisplayId);
-    if (displayId) {
-        const auto token = getPhysicalDisplayTokenLocked(*displayId);
-        const auto display = getDisplayDeviceLocked(token);
-        display->onVsync(timestamp);
-    }
 
     if (!getHwComposer().onVsync(hwcDisplayId, timestamp)) {
         return;
     }
 
-    const bool isActiveDisplay =
-            displayId && getPhysicalDisplayTokenLocked(*displayId) == mActiveDisplayToken;
-    if (!isActiveDisplay) {
+    if (const auto displayId = getHwComposer().toPhysicalDisplayId(hwcDisplayId);
+        displayId != mActiveDisplayId) {
         // For now, we don't do anything with non active display vsyncs.
         return;
     }
@@ -1891,30 +1871,16 @@
     }
 }
 
-void SurfaceFlinger::getCompositorTiming(CompositorTiming* compositorTiming) {
-    std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-    *compositorTiming = getBE().mCompositorTiming;
-}
-
 void SurfaceFlinger::onComposerHalHotplug(hal::HWDisplayId hwcDisplayId,
                                           hal::Connection connection) {
-    const bool connected = connection == hal::Connection::CONNECTED;
-    ALOGI("%s HAL display %" PRIu64, connected ? "Connecting" : "Disconnecting", hwcDisplayId);
-
-    // Only lock if we're not on the main thread. This function is normally
-    // called on a hwbinder thread, but for the primary display it's called on
-    // the main thread with the state lock already held, so don't attempt to
-    // acquire it here.
-    ConditionalLock lock(mStateLock, std::this_thread::get_id() != mMainThreadId);
-
-    mPendingHotplugEvents.emplace_back(HotplugEvent{hwcDisplayId, connection});
-
-    if (std::this_thread::get_id() == mMainThreadId) {
-        // Process all pending hot plug events immediately if we are on the main thread.
-        processDisplayHotplugEventsLocked();
+    {
+        std::lock_guard<std::mutex> lock(mHotplugMutex);
+        mPendingHotplugEvents.push_back(HotplugEvent{hwcDisplayId, connection});
     }
 
-    setTransactionFlags(eDisplayTransactionNeeded);
+    if (mScheduler) {
+        mScheduler->scheduleConfigure();
+    }
 }
 
 void SurfaceFlinger::onComposerHalVsyncPeriodTimingChanged(
@@ -1956,26 +1922,15 @@
     }));
 }
 
-SurfaceFlinger::FenceWithFenceTime SurfaceFlinger::previousFrameFence() {
-    const auto now = systemTime();
-    const auto vsyncPeriod = mScheduler->getDisplayStatInfo(now).vsyncPeriod;
-    const bool expectedPresentTimeIsTheNextVsync = mExpectedPresentTime - now <= vsyncPeriod;
-
-    size_t shift = 0;
-    if (!expectedPresentTimeIsTheNextVsync) {
-        shift = static_cast<size_t>((mExpectedPresentTime - now) / vsyncPeriod);
-        if (shift >= mPreviousPresentFences.size()) {
-            shift = mPreviousPresentFences.size() - 1;
-        }
-    }
-    ATRACE_FORMAT("previousFrameFence shift=%zu", shift);
-    return mPreviousPresentFences[shift];
+auto SurfaceFlinger::getPreviousPresentFence(TimePoint frameTime, Period vsyncPeriod)
+        -> const FenceTimePtr& {
+    const bool isTwoVsyncsAhead = mExpectedPresentTime - frameTime > vsyncPeriod;
+    const size_t i = static_cast<size_t>(isTwoVsyncsAhead);
+    return mPreviousPresentFences[i].fenceTime;
 }
 
-bool SurfaceFlinger::previousFramePending(int graceTimeMs) {
+bool SurfaceFlinger::isFencePending(const FenceTimePtr& fence, int graceTimeMs) {
     ATRACE_CALL();
-    const std::shared_ptr<FenceTime>& fence = previousFrameFence().fenceTime;
-
     if (fence == FenceTime::NO_FENCE) {
         return false;
     }
@@ -1986,44 +1941,45 @@
     return status == -ETIME;
 }
 
-nsecs_t SurfaceFlinger::previousFramePresentTime() {
-    const std::shared_ptr<FenceTime>& fence = previousFrameFence().fenceTime;
+TimePoint SurfaceFlinger::calculateExpectedPresentTime(TimePoint frameTime) const {
+    const auto& schedule = mScheduler->getVsyncSchedule();
 
-    if (fence == FenceTime::NO_FENCE) {
-        return Fence::SIGNAL_TIME_INVALID;
+    const TimePoint vsyncDeadline = schedule.vsyncDeadlineAfter(frameTime);
+    if (mVsyncModulator->getVsyncConfig().sfOffset > 0) {
+        return vsyncDeadline;
     }
 
-    return fence->getSignalTime();
+    // Inflate the expected present time if we're targeting the next vsync.
+    return vsyncDeadline + schedule.period();
 }
 
-nsecs_t SurfaceFlinger::calculateExpectedPresentTime(DisplayStatInfo stats) const {
-    // Inflate the expected present time if we're targetting the next vsync.
-    return mVsyncModulator->getVsyncConfig().sfOffset > 0 ? stats.vsyncTime
-                                                          : stats.vsyncTime + stats.vsyncPeriod;
+void SurfaceFlinger::configure() FTL_FAKE_GUARD(kMainThreadContext) {
+    Mutex::Autolock lock(mStateLock);
+    if (configureLocked()) {
+        setTransactionFlags(eDisplayTransactionNeeded);
+    }
 }
 
-bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime)
+bool SurfaceFlinger::commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime)
         FTL_FAKE_GUARD(kMainThreadContext) {
-    // calculate the expected present time once and use the cached
-    // value throughout this frame to make sure all layers are
-    // seeing this same value.
-    if (expectedVsyncTime >= frameTime) {
-        mExpectedPresentTime = expectedVsyncTime;
-    } else {
-        const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(frameTime);
-        mExpectedPresentTime = calculateExpectedPresentTime(stats);
-    }
-
-    const nsecs_t lastScheduledPresentTime = mScheduledPresentTime;
+    // The expectedVsyncTime, which was predicted when this frame was scheduled, is normally in the
+    // future relative to frameTime, but may not be for delayed frames. Adjust mExpectedPresentTime
+    // accordingly, but not mScheduledPresentTime.
+    const TimePoint lastScheduledPresentTime = mScheduledPresentTime;
     mScheduledPresentTime = expectedVsyncTime;
 
-    const auto vsyncIn = [&] {
-        if (!ATRACE_ENABLED()) return 0.f;
-        return (mExpectedPresentTime - systemTime()) / 1e6f;
-    }();
-    ATRACE_FORMAT("%s %" PRId64 " vsyncIn %.2fms%s", __func__, vsyncId, vsyncIn,
+    // Calculate the expected present time once and use the cached value throughout this frame to
+    // make sure all layers are seeing this same value.
+    mExpectedPresentTime = expectedVsyncTime >= frameTime ? expectedVsyncTime
+                                                          : calculateExpectedPresentTime(frameTime);
+
+    ATRACE_FORMAT("%s %" PRId64 " vsyncIn %.2fms%s", __func__, vsyncId.value,
+                  ticks<std::milli, float>(mExpectedPresentTime - TimePoint::now()),
                   mExpectedPresentTime == expectedVsyncTime ? "" : " (adjusted)");
 
+    const Period vsyncPeriod = mScheduler->getVsyncSchedule().period();
+    const FenceTimePtr& previousPresentFence = getPreviousPresentFence(frameTime, vsyncPeriod);
+
     // When Backpressure propagation is enabled we want to give a small grace period
     // for the present fence to fire instead of just giving up on this frame to handle cases
     // where present fence is just about to get signaled.
@@ -2032,7 +1988,8 @@
 
     // Pending frames may trigger backpressure propagation.
     const TracedOrdinal<bool> framePending = {"PrevFramePending",
-                                              previousFramePending(graceTimeForPresentFenceMs)};
+                                              isFencePending(previousPresentFence,
+                                                             graceTimeForPresentFenceMs)};
 
     // Frame missed counts for metrics tracking.
     // A frame is missed if the prior frame is still pending. If no longer pending,
@@ -2042,13 +1999,12 @@
     // Add some slop to correct for drift. This should generally be
     // smaller than a typical frame duration, but should not be so small
     // that it reports reasonable drift as a missed frame.
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(systemTime());
-    const nsecs_t frameMissedSlop = stats.vsyncPeriod / 2;
-    const nsecs_t previousPresentTime = previousFramePresentTime();
+    const nsecs_t frameMissedSlop = vsyncPeriod.ns() / 2;
+    const nsecs_t previousPresentTime = previousPresentFence->getSignalTime();
     const TracedOrdinal<bool> frameMissed = {"PrevFrameMissed",
                                              framePending ||
                                                      (previousPresentTime >= 0 &&
-                                                      (lastScheduledPresentTime <
+                                                      (lastScheduledPresentTime.ns() <
                                                        previousPresentTime - frameMissedSlop))};
     const TracedOrdinal<bool> hwcFrameMissed = {"PrevHwcFrameMissed",
                                                 mHadDeviceComposition && frameMissed};
@@ -2068,6 +2024,11 @@
         mGpuFrameMissedCount++;
     }
 
+    if (mTracingEnabledChanged) {
+        mLayerTracingEnabled = mLayerTracing.isEnabled();
+        mTracingEnabledChanged = false;
+    }
+
     // If we are in the middle of a mode change and the fence hasn't
     // fired yet just wait for the next commit.
     if (mSetActiveModePending) {
@@ -2094,20 +2055,20 @@
 
     // Save this once per commit + composite to ensure consistency
     // TODO (b/240619471): consider removing active display check once AOD is fixed
-    const auto activeDisplay =
-            FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(mActiveDisplayToken));
+    const auto activeDisplay = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(mActiveDisplayId));
     mPowerHintSessionEnabled = mPowerAdvisor->usePowerHintSession() && activeDisplay &&
             activeDisplay->getPowerMode() == hal::PowerMode::ON;
     if (mPowerHintSessionEnabled) {
         const auto& display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
-        // get stable vsync period from display mode
-        const nsecs_t vsyncPeriod = display->getActiveMode()->getVsyncPeriod();
+        const Period vsyncPeriod = Period::fromNs(display->getActiveMode().getVsyncPeriod());
         mPowerAdvisor->setCommitStart(frameTime);
         mPowerAdvisor->setExpectedPresentTime(mExpectedPresentTime);
-        const nsecs_t idealSfWorkDuration =
-                mVsyncModulator->getVsyncConfig().sfWorkDuration.count();
-        // Frame delay is how long we should have minus how long we actually have
-        mPowerAdvisor->setFrameDelay(idealSfWorkDuration - (mExpectedPresentTime - frameTime));
+
+        // Frame delay is how long we should have minus how long we actually have.
+        const Duration idealSfWorkDuration = mVsyncModulator->getVsyncConfig().sfWorkDuration;
+        const Duration frameDelay = idealSfWorkDuration - (mExpectedPresentTime - frameTime);
+
+        mPowerAdvisor->setFrameDelay(frameDelay);
         mPowerAdvisor->setTotalFrameTargetWorkDuration(idealSfWorkDuration);
         mPowerAdvisor->setTargetWorkDuration(vsyncPeriod);
 
@@ -2118,11 +2079,6 @@
         }
     }
 
-    if (mTracingEnabledChanged) {
-        mLayerTracingEnabled = mLayerTracing.isEnabled();
-        mTracingEnabledChanged = false;
-    }
-
     if (mRefreshRateOverlaySpinner) {
         Mutex::Autolock lock(mStateLock);
         if (const auto display = getDefaultDisplayDeviceLocked()) {
@@ -2133,11 +2089,13 @@
     // Composite if transactions were committed, or if requested by HWC.
     bool mustComposite = mMustComposite.exchange(false);
     {
-        mFrameTimeline->setSfWakeUp(vsyncId, frameTime, Fps::fromPeriodNsecs(stats.vsyncPeriod));
+        mFrameTimeline->setSfWakeUp(vsyncId.value, frameTime.ns(),
+                                    Fps::fromPeriodNsecs(vsyncPeriod.ns()));
 
         bool needsTraversal = false;
         if (clearTransactionFlags(eTransactionFlushNeeded)) {
-            needsTraversal |= commitCreatedLayers();
+            needsTraversal |= commitMirrorDisplays(vsyncId);
+            needsTraversal |= commitCreatedLayers(vsyncId);
             needsTraversal |= flushTransactionQueues(vsyncId);
         }
 
@@ -2172,7 +2130,7 @@
     // Hold mStateLock as chooseRefreshRateForContent promotes wp<Layer> to sp<Layer>
     // and may eventually call to ~Layer() if it holds the last reference
     {
-        Mutex::Autolock _l(mStateLock);
+        Mutex::Autolock lock(mStateLock);
         mScheduler->chooseRefreshRateForContent();
         setActiveModeInHwcIfNeeded();
     }
@@ -2182,17 +2140,18 @@
 
     if (mLayerTracingEnabled && !mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and tracing should only be enabled for debugging.
-        mLayerTracing.notify(mVisibleRegionsDirty, frameTime);
+        mLayerTracing.notify(mVisibleRegionsDirty, frameTime.ns(), vsyncId.value);
     }
+    mLastCommittedVsyncId = vsyncId;
 
     persistDisplayBrightness(mustComposite);
 
     return mustComposite && CC_LIKELY(mBootStage != BootStage::BOOTLOADER);
 }
 
-void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
+void SurfaceFlinger::composite(TimePoint frameTime, VsyncId vsyncId)
         FTL_FAKE_GUARD(kMainThreadContext) {
-    ATRACE_FORMAT("%s %" PRId64, __func__, vsyncId);
+    ATRACE_FORMAT("%s %" PRId64, __func__, vsyncId.value);
 
     compositionengine::CompositionRefreshArgs refreshArgs;
     const auto& displays = FTL_FAKE_GUARD(mStateLock, mDisplays);
@@ -2203,10 +2162,29 @@
         displayIds.push_back(display->getId());
     }
     mPowerAdvisor->setDisplays(displayIds);
-    mDrawingState.traverseInZOrder([&refreshArgs](Layer* layer) {
-        if (auto layerFE = layer->getCompositionEngineLayerFE())
-            refreshArgs.layers.push_back(layerFE);
-    });
+
+    const bool updateTaskMetadata = mCompositionEngine->getFeatureFlags().test(
+            compositionengine::Feature::kSnapshotLayerMetadata);
+    if (updateTaskMetadata && (mVisibleRegionsDirty || mLayerMetadataSnapshotNeeded)) {
+        updateLayerMetadataSnapshot();
+        mLayerMetadataSnapshotNeeded = false;
+    }
+
+    if (DOES_CONTAIN_BORDER) {
+        refreshArgs.borderInfoList.clear();
+        mDrawingState.traverse([&refreshArgs](Layer* layer) {
+            if (layer->isBorderEnabled()) {
+                compositionengine::BorderRenderInfo info;
+                info.width = layer->getBorderWidth();
+                info.color = layer->getBorderColor();
+                layer->traverse(LayerVector::StateSet::Drawing, [&info](Layer* ilayer) {
+                    info.layerIds.push_back(ilayer->getSequence());
+                });
+                refreshArgs.borderInfoList.emplace_back(std::move(info));
+            }
+        });
+    }
+
     refreshArgs.layersWithQueuedFrames.reserve(mLayersWithQueuedFrames.size());
     for (auto layer : mLayersWithQueuedFrames) {
         if (auto layerFE = layer->getCompositionEngineLayerFE())
@@ -2221,6 +2199,12 @@
 
     refreshArgs.updatingOutputGeometryThisFrame = mVisibleRegionsDirty;
     refreshArgs.updatingGeometryThisFrame = mGeometryDirty.exchange(false) || mVisibleRegionsDirty;
+    mDrawingState.traverseInZOrder([&refreshArgs](Layer* layer) {
+        layer->updateSnapshot(refreshArgs.updatingGeometryThisFrame);
+        if (auto layerFE = layer->getCompositionEngineLayerFE()) {
+            refreshArgs.layers.push_back(layerFE);
+        }
+    });
     refreshArgs.blursAreExpensive = mBlursAreExpensive;
     refreshArgs.internalDisplayRotationFlags = DisplayDevice::getPrimaryDisplayRotationFlags();
 
@@ -2236,13 +2220,13 @@
         refreshArgs.devOptFlashDirtyRegionsDelay = std::chrono::milliseconds(mDebugFlashDelay);
     }
 
-    const auto expectedPresentTime = mExpectedPresentTime.load();
-    const auto prevVsyncTime = mScheduler->getPreviousVsyncFrom(expectedPresentTime);
+    const auto prevVsyncTime = mExpectedPresentTime - mScheduler->getVsyncSchedule().period();
     const auto hwcMinWorkDuration = mVsyncConfiguration->getCurrentConfigs().hwcMinWorkDuration;
+
     refreshArgs.earliestPresentTime = prevVsyncTime - hwcMinWorkDuration;
     refreshArgs.previousPresentFence = mPreviousPresentFences[0].fenceTime;
     refreshArgs.scheduledFrameTime = mScheduler->getScheduledFrameTime();
-    refreshArgs.expectedPresentTime = expectedPresentTime;
+    refreshArgs.expectedPresentTime = mExpectedPresentTime.ns();
 
     // Store the present time just before calling to the composition engine so we could notify
     // the scheduler.
@@ -2250,12 +2234,13 @@
 
     mCompositionEngine->present(refreshArgs);
 
-    mTimeStats->recordFrameDuration(frameTime, systemTime());
+    mTimeStats->recordFrameDuration(frameTime.ns(), systemTime());
 
     // Send a power hint hint after presentation is finished
     if (mPowerHintSessionEnabled) {
-        mPowerAdvisor->setSfPresentTiming(mPreviousPresentFences[0].fenceTime->getSignalTime(),
-                                          systemTime());
+        mPowerAdvisor->setSfPresentTiming(TimePoint::fromNs(mPreviousPresentFences[0]
+                                                                    .fenceTime->getSignalTime()),
+                                          TimePoint::now());
         if (mPowerHintSessionMode.late) {
             mPowerAdvisor->sendActualWorkDuration();
         }
@@ -2265,7 +2250,6 @@
         scheduleComposite(FrameHint::kNone);
     }
 
-    postFrame();
     postComposition();
 
     const bool prevFrameHadClientComposition = mHadClientComposition;
@@ -2295,7 +2279,7 @@
     mLayersWithQueuedFrames.clear();
     if (mLayerTracingEnabled && mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and should only be used for debugging.
-        mLayerTracing.notify(mVisibleRegionsDirty, frameTime);
+        mLayerTracing.notify(mVisibleRegionsDirty, frameTime.ns(), vsyncId.value);
     }
 
     mVisibleRegionsWereDirtyThisFrame = mVisibleRegionsDirty; // Cache value for use in post-comp
@@ -2306,7 +2290,7 @@
     }
 
     if (mPowerHintSessionEnabled) {
-        mPowerAdvisor->setCompositeEnd(systemTime());
+        mPowerAdvisor->setCompositeEnd(TimePoint::now());
     }
 }
 
@@ -2325,66 +2309,6 @@
     mLayersPendingRefresh.clear();
 }
 
-void SurfaceFlinger::updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime,
-                                            std::shared_ptr<FenceTime>& presentFenceTime) {
-    // Update queue of past composite+present times and determine the
-    // most recently known composite to present latency.
-    getBE().mCompositePresentTimes.push({compositeTime, presentFenceTime});
-    nsecs_t compositeToPresentLatency = -1;
-    while (!getBE().mCompositePresentTimes.empty()) {
-        SurfaceFlingerBE::CompositePresentTime& cpt = getBE().mCompositePresentTimes.front();
-        // Cached values should have been updated before calling this method,
-        // which helps avoid duplicate syscalls.
-        nsecs_t displayTime = cpt.display->getCachedSignalTime();
-        if (displayTime == Fence::SIGNAL_TIME_PENDING) {
-            break;
-        }
-        compositeToPresentLatency = displayTime - cpt.composite;
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    // Don't let mCompositePresentTimes grow unbounded, just in case.
-    while (getBE().mCompositePresentTimes.size() > 16) {
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    setCompositorTimingSnapped(stats, compositeToPresentLatency);
-}
-
-void SurfaceFlinger::setCompositorTimingSnapped(const DisplayStatInfo& stats,
-                                                nsecs_t compositeToPresentLatency) {
-    // Avoid division by 0 by defaulting to 60Hz
-    const auto vsyncPeriod = stats.vsyncPeriod ?: (60_Hz).getPeriodNsecs();
-
-    // Integer division and modulo round toward 0 not -inf, so we need to
-    // treat negative and positive offsets differently.
-    nsecs_t idealLatency = (mVsyncConfiguration->getCurrentConfigs().late.sfOffset > 0)
-            ? (vsyncPeriod -
-               (mVsyncConfiguration->getCurrentConfigs().late.sfOffset % vsyncPeriod))
-            : ((-mVsyncConfiguration->getCurrentConfigs().late.sfOffset) % vsyncPeriod);
-
-    // Just in case mVsyncConfiguration->getCurrentConfigs().late.sf == -vsyncInterval.
-    if (idealLatency <= 0) {
-        idealLatency = vsyncPeriod;
-    }
-
-    // Snap the latency to a value that removes scheduling jitter from the
-    // composition and present times, which often have >1ms of jitter.
-    // Reducing jitter is important if an app attempts to extrapolate
-    // something (such as user input) to an accurate diasplay time.
-    // Snapping also allows an app to precisely calculate
-    // mVsyncConfiguration->getCurrentConfigs().late.sf with (presentLatency % interval).
-    const nsecs_t bias = vsyncPeriod / 2;
-    const int64_t extraVsyncs = ((compositeToPresentLatency - idealLatency + bias) / vsyncPeriod);
-    const nsecs_t snappedCompositeToPresentLatency =
-            (extraVsyncs > 0) ? idealLatency + (extraVsyncs * vsyncPeriod) : idealLatency;
-
-    std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-    getBE().mCompositorTiming.deadline = stats.vsyncTime - idealLatency;
-    getBE().mCompositorTiming.interval = vsyncPeriod;
-    getBE().mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
-}
-
 bool SurfaceFlinger::isHdrLayer(Layer* layer) const {
     // Treat all layers as non-HDR if:
     // 1. They do not have a valid HDR dataspace. Currently we treat those as PQ or HLG. and
@@ -2441,7 +2365,7 @@
 
 void SurfaceFlinger::postComposition() {
     ATRACE_CALL();
-    ALOGV("postComposition");
+    ALOGV(__func__);
 
     const auto* display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
 
@@ -2455,40 +2379,41 @@
         glCompositionDoneFenceTime = FenceTime::NO_FENCE;
     }
 
-    for (size_t i = mPreviousPresentFences.size()-1; i >= 1; i--) {
-        mPreviousPresentFences[i] = mPreviousPresentFences[i-1];
-    }
+    mPreviousPresentFences[1] = mPreviousPresentFences[0];
 
-    mPreviousPresentFences[0].fence =
+    auto presentFence =
             display ? getHwComposer().getPresentFence(display->getPhysicalId()) : Fence::NO_FENCE;
-    mPreviousPresentFences[0].fenceTime =
-            std::make_shared<FenceTime>(mPreviousPresentFences[0].fence);
 
-    nsecs_t now = systemTime();
+    auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
+    mPreviousPresentFences[0] = {presentFence, presentFenceTime};
+
+    const TimePoint presentTime = TimePoint::now();
 
     // Set presentation information before calling Layer::releasePendingBuffer, such that jank
     // information from previous' frame classification is already available when sending jank info
     // to clients, so they get jank classification as early as possible.
-    mFrameTimeline->setSfPresent(/* sfPresentTime */ now, mPreviousPresentFences[0].fenceTime,
-                                 glCompositionDoneFenceTime);
-
-    const DisplayStatInfo stats = mScheduler->getDisplayStatInfo(now);
+    mFrameTimeline->setSfPresent(presentTime.ns(), presentFenceTime, glCompositionDoneFenceTime);
 
     // We use the CompositionEngine::getLastFrameRefreshTimestamp() which might
     // be sampled a little later than when we started doing work for this frame,
-    // but that should be okay since updateCompositorTiming has snapping logic.
-    updateCompositorTiming(stats, mCompositionEngine->getLastFrameRefreshTimestamp(),
-                           mPreviousPresentFences[0].fenceTime);
-    CompositorTiming compositorTiming;
-    {
-        std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
-        compositorTiming = getBE().mCompositorTiming;
-    }
+    // but that should be okay since CompositorTiming has snapping logic.
+    const TimePoint compositeTime =
+            TimePoint::fromNs(mCompositionEngine->getLastFrameRefreshTimestamp());
+    const Duration presentLatency =
+            mPresentLatencyTracker.trackPendingFrame(compositeTime, presentFenceTime);
+
+    const auto& schedule = mScheduler->getVsyncSchedule();
+    const TimePoint vsyncDeadline = schedule.vsyncDeadlineAfter(presentTime);
+    const Period vsyncPeriod = schedule.period();
+    const nsecs_t vsyncPhase = mVsyncConfiguration->getCurrentConfigs().late.sfOffset;
+
+    const CompositorTiming compositorTiming(vsyncDeadline.ns(), vsyncPeriod.ns(), vsyncPhase,
+                                            presentLatency.ns());
 
     for (const auto& layer: mLayersWithQueuedFrames) {
-        layer->onPostComposition(display, glCompositionDoneFenceTime,
-                                 mPreviousPresentFences[0].fenceTime, compositorTiming);
-        layer->releasePendingBuffer(/*dequeueReadyTime*/ now);
+        layer->onPostComposition(display, glCompositionDoneFenceTime, presentFenceTime,
+                                 compositorTiming);
+        layer->releasePendingBuffer(presentTime.ns());
     }
 
     std::vector<std::pair<std::shared_ptr<compositionengine::Display>, sp<HdrLayerInfoReporter>>>
@@ -2545,13 +2470,22 @@
     mSomeDataspaceChanged = false;
     mVisibleRegionsWereDirtyThisFrame = false;
 
-    mTransactionCallbackInvoker.addPresentFence(mPreviousPresentFences[0].fence);
+    mTransactionCallbackInvoker.addPresentFence(std::move(presentFence));
     mTransactionCallbackInvoker.sendCallbacks(false /* onCommitOnly */);
     mTransactionCallbackInvoker.clearCompletedTransactions();
 
-    if (display && display->isInternal() && display->getPowerMode() == hal::PowerMode::ON &&
-        mPreviousPresentFences[0].fenceTime->isValid()) {
-        mScheduler->addPresentFence(mPreviousPresentFences[0].fenceTime);
+    mTimeStats->incrementTotalFrames();
+    mTimeStats->setPresentFenceGlobal(presentFenceTime);
+
+    const bool isInternalDisplay = display &&
+            FTL_FAKE_GUARD(mStateLock, mPhysicalDisplays)
+                    .get(display->getPhysicalId())
+                    .transform(&PhysicalDisplay::isInternal)
+                    .value_or(false);
+
+    if (isInternalDisplay && display && display->getPowerMode() == hal::PowerMode::ON &&
+        presentFenceTime->isValid()) {
+        mScheduler->addPresentFence(std::move(presentFenceTime));
     }
 
     const bool isDisplayConnected =
@@ -2563,24 +2497,6 @@
         }
     }
 
-    if (mAnimCompositionPending) {
-        mAnimCompositionPending = false;
-
-        if (mPreviousPresentFences[0].fenceTime->isValid()) {
-            mAnimFrameTracker.setActualPresentFence(mPreviousPresentFences[0].fenceTime);
-        } else if (isDisplayConnected) {
-            // The HWC doesn't support present fences, so use the refresh
-            // timestamp instead.
-            const nsecs_t presentTime = display->getRefreshTimestamp();
-            mAnimFrameTracker.setActualPresentTime(presentTime);
-        }
-        mAnimFrameTracker.advanceFrame();
-    }
-
-    mTimeStats->incrementTotalFrames();
-
-    mTimeStats->setPresentFenceGlobal(mPreviousPresentFences[0].fenceTime);
-
     const size_t sfConnections = mScheduler->getEventThreadConnectionCount(mSfConnectionHandle);
     const size_t appConnections = mScheduler->getEventThreadConnectionCount(mAppConnectionHandle);
     mTimeStats->recordDisplayEventConnectionCount(sfConnections + appConnections);
@@ -2590,21 +2506,6 @@
         return;
     }
 
-    nsecs_t currentTime = systemTime();
-    if (mHasPoweredOff) {
-        mHasPoweredOff = false;
-    } else {
-        nsecs_t elapsedTime = currentTime - getBE().mLastSwapTime;
-        size_t numPeriods = static_cast<size_t>(elapsedTime / stats.vsyncPeriod);
-        if (numPeriods < SurfaceFlingerBE::NUM_BUCKETS - 1) {
-            getBE().mFrameBuckets[numPeriods] += elapsedTime;
-        } else {
-            getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] += elapsedTime;
-        }
-        getBE().mTotalTime += elapsedTime;
-    }
-    getBE().mLastSwapTime = currentTime;
-
     // Cleanup any outstanding resources due to rendering a prior frame.
     getRenderEngine().cleanupPostRender();
 
@@ -2631,6 +2532,8 @@
         // getTotalSize returns the total number of buffers that were allocated by SurfaceFlinger
         ATRACE_INT64("Total Buffer Size", GraphicBufferAllocator::get().getTotalSize());
     }
+
+    logFrameStats(presentTime);
 }
 
 FloatRect SurfaceFlinger::getMaxDisplayBounds() {
@@ -2663,16 +2566,6 @@
     }
 }
 
-void SurfaceFlinger::postFrame() {
-    const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
-    if (display && getHwComposer().isConnected(display->getPhysicalId())) {
-        uint32_t flipCount = display->getPageFlipCount();
-        if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
-            logFrameStats();
-        }
-    }
-}
-
 void SurfaceFlinger::commitTransactions() {
     ATRACE_CALL();
 
@@ -2705,10 +2598,9 @@
     do {
         hwcModes = getHwComposer().getModes(displayId);
         activeModeHwcId = getHwComposer().getActiveMode(displayId);
-        LOG_ALWAYS_FATAL_IF(!activeModeHwcId, "HWC returned no active mode");
 
         const auto isActiveMode = [activeModeHwcId](const HWComposer::HWCDisplayMode& mode) {
-            return mode.hwcId == *activeModeHwcId;
+            return mode.hwcId == activeModeHwcId;
         };
 
         if (std::any_of(hwcModes.begin(), hwcModes.end(), isActiveMode)) {
@@ -2716,16 +2608,21 @@
         }
     } while (++attempt < kMaxAttempts);
 
-    LOG_ALWAYS_FATAL_IF(attempt == kMaxAttempts,
-                        "After %d attempts HWC still returns an active mode which is not"
-                        " supported. Active mode ID = %" PRIu64 ". Supported modes = %s",
-                        kMaxAttempts, *activeModeHwcId, base::Join(hwcModes, ", ").c_str());
-
-    DisplayModes oldModes;
-    if (const auto token = getPhysicalDisplayTokenLocked(displayId)) {
-        oldModes = getDisplayDeviceLocked(token)->getSupportedModes();
+    if (attempt == kMaxAttempts) {
+        const std::string activeMode =
+                activeModeHwcId ? std::to_string(*activeModeHwcId) : "unknown"s;
+        ALOGE("HWC failed to report an active mode that is supported: activeModeHwcId=%s, "
+              "hwcModes={%s}",
+              activeMode.c_str(), base::Join(hwcModes, ", ").c_str());
+        return {};
     }
 
+    const DisplayModes oldModes = mPhysicalDisplays.get(displayId)
+                                          .transform([](const PhysicalDisplay& display) {
+                                              return display.snapshot().displayModes();
+                                          })
+                                          .value_or(DisplayModes{});
+
     ui::DisplayModeId nextModeId = 1 +
             std::accumulate(oldModes.begin(), oldModes.end(), static_cast<ui::DisplayModeId>(-1),
                             [](ui::DisplayModeId max, const auto& pair) {
@@ -2763,70 +2660,99 @@
     return {modes, activeMode};
 }
 
-void SurfaceFlinger::processDisplayHotplugEventsLocked() {
-    for (const auto& event : mPendingHotplugEvents) {
-        std::optional<DisplayIdentificationInfo> info =
-                getHwComposer().onHotplug(event.hwcDisplayId, event.connection);
-
-        if (!info) {
-            continue;
-        }
-
-        const auto displayId = info->id;
-        const auto token = mPhysicalDisplayTokens.get(displayId);
-
-        if (event.connection == hal::Connection::CONNECTED) {
-            auto [supportedModes, activeMode] = loadDisplayModes(displayId);
-
-            if (!token) {
-                ALOGV("Creating display %s", to_string(displayId).c_str());
-
-                DisplayDeviceState state;
-                state.physical = {.id = displayId,
-                                  .type = getHwComposer().getDisplayConnectionType(displayId),
-                                  .hwcDisplayId = event.hwcDisplayId,
-                                  .deviceProductInfo = std::move(info->deviceProductInfo),
-                                  .supportedModes = std::move(supportedModes),
-                                  .activeMode = std::move(activeMode)};
-                state.isSecure = true; // All physical displays are currently considered secure.
-                state.displayName = std::move(info->name);
-
-                sp<IBinder> token = new BBinder();
-                mCurrentState.displays.add(token, state);
-                mPhysicalDisplayTokens.try_emplace(displayId, std::move(token));
-                mInterceptor->saveDisplayCreation(state);
-            } else {
-                ALOGV("Recreating display %s", to_string(displayId).c_str());
-
-                auto& state = mCurrentState.displays.editValueFor(token->get());
-                state.sequenceId = DisplayDeviceState{}.sequenceId; // Generate new sequenceId.
-                state.physical->supportedModes = std::move(supportedModes);
-                state.physical->activeMode = std::move(activeMode);
-                if (getHwComposer().updatesDeviceProductInfoOnHotplugReconnect()) {
-                    state.physical->deviceProductInfo = std::move(info->deviceProductInfo);
-                }
-            }
-        } else {
-            ALOGV("Removing display %s", to_string(displayId).c_str());
-
-            if (const ssize_t index = mCurrentState.displays.indexOfKey(token->get()); index >= 0) {
-                const DisplayDeviceState& state = mCurrentState.displays.valueAt(index);
-                mInterceptor->saveDisplayDeletion(state.sequenceId);
-                mCurrentState.displays.removeItemsAt(index);
-            }
-
-            mPhysicalDisplayTokens.erase(displayId);
-        }
-
-        processDisplayChangesLocked();
+bool SurfaceFlinger::configureLocked() {
+    std::vector<HotplugEvent> events;
+    {
+        std::lock_guard<std::mutex> lock(mHotplugMutex);
+        events = std::move(mPendingHotplugEvents);
     }
 
-    mPendingHotplugEvents.clear();
+    for (const auto [hwcDisplayId, connection] : events) {
+        if (auto info = getHwComposer().onHotplug(hwcDisplayId, connection)) {
+            const auto displayId = info->id;
+            const bool connected = connection == hal::Connection::CONNECTED;
+
+            if (const char* const log =
+                        processHotplug(displayId, hwcDisplayId, connected, std::move(*info))) {
+                ALOGI("%s display %s (HAL ID %" PRIu64 ")", log, to_string(displayId).c_str(),
+                      hwcDisplayId);
+            }
+        }
+    }
+
+    return !events.empty();
+}
+
+const char* SurfaceFlinger::processHotplug(PhysicalDisplayId displayId,
+                                           hal::HWDisplayId hwcDisplayId, bool connected,
+                                           DisplayIdentificationInfo&& info) {
+    const auto displayOpt = mPhysicalDisplays.get(displayId);
+    if (!connected) {
+        LOG_ALWAYS_FATAL_IF(!displayOpt);
+        const auto& display = displayOpt->get();
+
+        if (const ssize_t index = mCurrentState.displays.indexOfKey(display.token()); index >= 0) {
+            const DisplayDeviceState& state = mCurrentState.displays.valueAt(index);
+            mInterceptor->saveDisplayDeletion(state.sequenceId);
+            mCurrentState.displays.removeItemsAt(index);
+        }
+
+        mPhysicalDisplays.erase(displayId);
+        return "Disconnecting";
+    }
+
+    auto [displayModes, activeMode] = loadDisplayModes(displayId);
+    if (!activeMode) {
+        // TODO(b/241286153): Report hotplug failure to the framework.
+        ALOGE("Failed to hotplug display %s", to_string(displayId).c_str());
+        getHwComposer().disconnectDisplay(displayId);
+        return nullptr;
+    }
+
+    ui::ColorModes colorModes = getHwComposer().getColorModes(displayId);
+
+    if (displayOpt) {
+        const auto& display = displayOpt->get();
+        const auto& snapshot = display.snapshot();
+
+        std::optional<DeviceProductInfo> deviceProductInfo;
+        if (getHwComposer().updatesDeviceProductInfoOnHotplugReconnect()) {
+            deviceProductInfo = std::move(info.deviceProductInfo);
+        } else {
+            deviceProductInfo = snapshot.deviceProductInfo();
+        }
+
+        const auto it =
+                mPhysicalDisplays.try_replace(displayId, display.token(), displayId,
+                                              snapshot.connectionType(), std::move(displayModes),
+                                              std::move(colorModes), std::move(deviceProductInfo));
+
+        auto& state = mCurrentState.displays.editValueFor(it->second.token());
+        state.sequenceId = DisplayDeviceState{}.sequenceId; // Generate new sequenceId.
+        state.physical->activeMode = std::move(activeMode);
+        return "Reconnecting";
+    }
+
+    const sp<IBinder> token = sp<BBinder>::make();
+
+    mPhysicalDisplays.try_emplace(displayId, token, displayId,
+                                  getHwComposer().getDisplayConnectionType(displayId),
+                                  std::move(displayModes), std::move(colorModes),
+                                  std::move(info.deviceProductInfo));
+
+    DisplayDeviceState state;
+    state.physical = {.id = displayId,
+                      .hwcDisplayId = hwcDisplayId,
+                      .activeMode = std::move(activeMode)};
+    state.isSecure = true; // All physical displays are currently considered secure.
+    state.displayName = std::move(info.name);
+
+    mCurrentState.displays.add(token, state);
+    mInterceptor->saveDisplayCreation(state);
+    return "Connecting";
 }
 
 void SurfaceFlinger::dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected) {
-    ALOGI("Dispatching display hotplug event displayId=%s, connected=%d",
-          to_string(displayId).c_str(), connected);
     mScheduler->onHotplugReceived(mAppConnectionHandle, displayId, connected);
     mScheduler->onHotplugReceived(mSfConnectionHandle, displayId, connected);
 }
@@ -2837,7 +2763,8 @@
         const DisplayDeviceState& state,
         const sp<compositionengine::DisplaySurface>& displaySurface,
         const sp<IGraphicBufferProducer>& producer) {
-    DisplayDeviceCreationArgs creationArgs(this, getHwComposer(), displayToken, compositionDisplay);
+    DisplayDeviceCreationArgs creationArgs(sp<SurfaceFlinger>::fromExisting(this), getHwComposer(),
+                                           displayToken, compositionDisplay);
     creationArgs.sequenceId = state.sequenceId;
     creationArgs.isSecure = state.isSecure;
     creationArgs.displaySurface = displaySurface;
@@ -2845,8 +2772,6 @@
     creationArgs.supportedPerFrameMetadata = 0;
 
     if (const auto& physical = state.physical) {
-        creationArgs.connectionType = physical->type;
-        creationArgs.supportedModes = physical->supportedModes;
         creationArgs.activeModeId = physical->activeMode->getId();
         const auto [kernelIdleTimerController, idleTimerTimeoutMs] =
                 getKernelIdleTimerProperties(compositionDisplay->getId());
@@ -2857,25 +2782,31 @@
                          base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0),
                  .idleTimerTimeout = idleTimerTimeoutMs,
                  .kernelIdleTimerController = kernelIdleTimerController};
-        creationArgs.refreshRateConfigs =
-                std::make_shared<scheduler::RefreshRateConfigs>(creationArgs.supportedModes,
-                                                                creationArgs.activeModeId, config);
-    }
 
-    if (const auto id = PhysicalDisplayId::tryCast(compositionDisplay->getId())) {
-        creationArgs.isPrimary = id == getPrimaryDisplayIdLocked();
+        creationArgs.refreshRateConfigs =
+                mPhysicalDisplays.get(physical->id)
+                        .transform(&PhysicalDisplay::snapshotRef)
+                        .transform([&](const display::DisplaySnapshot& snapshot) {
+                            return std::make_shared<
+                                    scheduler::RefreshRateConfigs>(snapshot.displayModes(),
+                                                                   creationArgs.activeModeId,
+                                                                   config);
+                        })
+                        .value_or(nullptr);
+
+        creationArgs.isPrimary = physical->id == getPrimaryDisplayIdLocked();
 
         if (useColorManagement) {
-            std::vector<ColorMode> modes = getHwComposer().getColorModes(*id);
-            for (ColorMode colorMode : modes) {
-                if (isWideColorMode(colorMode)) {
-                    creationArgs.hasWideColorGamut = true;
-                }
-
-                std::vector<RenderIntent> renderIntents =
-                        getHwComposer().getRenderIntents(*id, colorMode);
-                creationArgs.hwcColorModes.emplace(colorMode, renderIntents);
-            }
+            mPhysicalDisplays.get(physical->id)
+                    .transform(&PhysicalDisplay::snapshotRef)
+                    .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                        for (const auto mode : snapshot.colorModes()) {
+                            creationArgs.hasWideColorGamut |= ui::isWideColorMode(mode);
+                            creationArgs.hwcColorModes
+                                    .emplace(mode,
+                                             getHwComposer().getRenderIntents(physical->id, mode));
+                        }
+                    }));
         }
     }
 
@@ -2907,23 +2838,27 @@
 
     nativeWindowSurface->preallocateBuffers();
 
-    ColorMode defaultColorMode = ColorMode::NATIVE;
+    ui::ColorMode defaultColorMode = ui::ColorMode::NATIVE;
     Dataspace defaultDataSpace = Dataspace::UNKNOWN;
     if (display->hasWideColorGamut()) {
-        defaultColorMode = ColorMode::SRGB;
+        defaultColorMode = ui::ColorMode::SRGB;
         defaultDataSpace = Dataspace::V0_SRGB;
     }
     display->getCompositionDisplay()->setColorProfile(
             compositionengine::Output::ColorProfile{defaultColorMode, defaultDataSpace,
                                                     RenderIntent::COLORIMETRIC,
                                                     Dataspace::UNKNOWN});
-    if (!state.isVirtual()) {
-        FTL_FAKE_GUARD(kMainThreadContext,
-                       display->setActiveMode(state.physical->activeMode->getId()));
-        display->setDeviceProductInfo(state.physical->deviceProductInfo);
+
+    if (const auto& physical = state.physical) {
+        mPhysicalDisplays.get(physical->id)
+                .transform(&PhysicalDisplay::snapshotRef)
+                .transform(ftl::unit_fn([&](const display::DisplaySnapshot& snapshot) {
+                    FTL_FAKE_GUARD(kMainThreadContext,
+                                   display->setActiveMode(physical->activeMode->getId(), snapshot));
+                }));
     }
 
-    display->setLayerStack(state.layerStack);
+    display->setLayerFilter(makeLayerFilterForDisplay(display->getId(), state.layerStack));
     display->setProjection(state.orientation, state.layerStackSpaceRect,
                            state.orientedDisplaySpaceRect);
     display->setDisplayName(state.displayName);
@@ -2999,10 +2934,13 @@
     LOG_FATAL_IF(!displaySurface);
     auto display = setupNewDisplayDeviceInternal(displayToken, std::move(compositionDisplay), state,
                                                  displaySurface, producer);
-    if (display->isPrimary()) {
-        initScheduler(display);
-    }
-    if (!state.isVirtual()) {
+
+    if (mScheduler && !display->isVirtual()) {
+        // Display modes are reloaded on hotplug reconnect.
+        if (display->isPrimary()) {
+            mScheduler->setRefreshRateConfigs(display->holdRefreshRateConfigs());
+        }
+
         dispatchDisplayHotplugEvent(display->getPhysicalId(), true);
     }
 
@@ -3079,7 +3017,8 @@
 
     if (const auto display = getDisplayDeviceLocked(displayToken)) {
         if (currentState.layerStack != drawingState.layerStack) {
-            display->setLayerStack(currentState.layerStack);
+            display->setLayerFilter(
+                    makeLayerFilterForDisplay(display->getId(), currentState.layerStack));
         }
         if (currentState.flags != drawingState.flags) {
             display->setFlags(currentState.flags);
@@ -3089,7 +3028,7 @@
             (currentState.orientedDisplaySpaceRect != drawingState.orientedDisplaySpaceRect)) {
             display->setProjection(currentState.orientation, currentState.layerStackSpaceRect,
                                    currentState.orientedDisplaySpaceRect);
-            if (isDisplayActiveLocked(display)) {
+            if (display->getId() == mActiveDisplayId) {
                 mActiveDisplayTransformHint = display->getTransformHint();
             }
         }
@@ -3097,15 +3036,16 @@
             currentState.height != drawingState.height) {
             display->setDisplaySize(currentState.width, currentState.height);
 
-            if (isDisplayActiveLocked(display)) {
+            if (display->getId() == mActiveDisplayId) {
                 onActiveDisplaySizeChanged(display);
             }
         }
     }
 }
+
 void SurfaceFlinger::updateInternalDisplayVsyncLocked(const sp<DisplayDevice>& activeDisplay) {
     mVsyncConfiguration->reset();
-    const Fps refreshRate = activeDisplay->refreshRateConfigs().getActiveMode()->getFps();
+    const Fps refreshRate = activeDisplay->getActiveMode().getFps();
     updatePhaseConfiguration(refreshRate);
     mRefreshRateStats->setRefreshRate(refreshRate);
 }
@@ -3118,6 +3058,7 @@
     const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
     if (!curr.isIdenticalTo(draw)) {
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
 
         // find the displays that were removed
         // (ie: in drawing state but not in current state)
@@ -3155,13 +3096,13 @@
     const bool displayTransactionNeeded = transactionFlags & eDisplayTransactionNeeded;
     if (displayTransactionNeeded) {
         processDisplayChangesLocked();
-        processDisplayHotplugEventsLocked();
     }
     mForceTransactionDisplayChange = displayTransactionNeeded;
 
     if (mSomeChildrenChanged) {
         mVisibleRegionsDirty = true;
         mSomeChildrenChanged = false;
+        mUpdateInputInfo = true;
     }
 
     // Update transform hint.
@@ -3203,7 +3144,7 @@
                 }
             }
 
-            if (!hintDisplay) {
+            if (!hintDisplay && mDisplays.size() > 0) {
                 // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
                 // redraw after transform hint changes. See bug 8508397.
 
@@ -3213,7 +3154,11 @@
                 hintDisplay = getDefaultDisplayDeviceLocked();
             }
 
-            layer->updateTransformHint(hintDisplay->getTransformHint());
+            if (hintDisplay) {
+                layer->updateTransformHint(hintDisplay->getTransformHint());
+            } else {
+                ALOGW("Ignoring transform hint update for %s", layer->getDebugName());
+            }
         });
     }
 
@@ -3221,6 +3166,7 @@
         mLayersAdded = false;
         // Layers have been added.
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
     }
 
     // some layers might have been removed, so
@@ -3228,19 +3174,18 @@
     if (mLayersRemoved) {
         mLayersRemoved = false;
         mVisibleRegionsDirty = true;
+        mUpdateInputInfo = true;
         mDrawingState.traverseInZOrder([&](Layer* layer) {
-            if (mLayersPendingRemoval.indexOf(layer) >= 0) {
+            if (mLayersPendingRemoval.indexOf(sp<Layer>::fromExisting(layer)) >= 0) {
                 // this layer is not visible anymore
                 Region visibleReg;
                 visibleReg.set(layer->getScreenBounds());
-                invalidateLayerStack(layer, visibleReg);
+                invalidateLayerStack(sp<Layer>::fromExisting(layer), visibleReg);
             }
         });
     }
 
     doCommitTransactions();
-    signalSynchronousTransactions(CountDownLatch::eSyncTransaction);
-    mAnimTransactionPending = false;
 }
 
 void SurfaceFlinger::updateInputFlinger() {
@@ -3252,14 +3197,14 @@
     std::vector<WindowInfo> windowInfos;
     std::vector<DisplayInfo> displayInfos;
     bool updateWindowInfo = false;
-    if (mVisibleRegionsDirty || mInputInfoChanged) {
-        mInputInfoChanged = false;
+    if (mUpdateInputInfo) {
+        mUpdateInputInfo = false;
         updateWindowInfo = true;
         buildWindowInfos(windowInfos, displayInfos);
-    }
-    if (!updateWindowInfo && mInputWindowCommands.empty()) {
+    } else if (mInputWindowCommands.empty()) {
         return;
     }
+
     BackgroundExecutor::getInstance().sendCallbacks({[updateWindowInfo,
                                                       windowInfos = std::move(windowInfos),
                                                       displayInfos = std::move(displayInfos),
@@ -3268,12 +3213,17 @@
                                                       inputFlinger = mInputFlinger, this]() {
         ATRACE_NAME("BackgroundExecutor::updateInputFlinger");
         if (updateWindowInfo) {
-            mWindowInfosListenerInvoker->windowInfosChanged(windowInfos, displayInfos,
-                                                            inputWindowCommands.syncInputWindows);
-        } else if (inputWindowCommands.syncInputWindows) {
-            // If the caller requested to sync input windows, but there are no
-            // changes to input windows, notify immediately.
-            windowInfosReported();
+            mWindowInfosListenerInvoker
+                    ->windowInfosChanged(windowInfos, displayInfos,
+                                         inputWindowCommands.windowInfosReportedListeners);
+        } else {
+            // If there are listeners but no changes to input windows, call the listeners
+            // immediately.
+            for (const auto& listener : inputWindowCommands.windowInfosReportedListeners) {
+                if (IInterface::asBinder(listener)->isBinderAlive()) {
+                    listener->onWindowInfosReported();
+                }
+            }
         }
         for (const auto& focusRequest : inputWindowCommands.focusRequests) {
             inputFlinger->setFocusedWindow(focusRequest);
@@ -3314,7 +3264,7 @@
 
 void SurfaceFlinger::buildWindowInfos(std::vector<WindowInfo>& outWindowInfos,
                                       std::vector<DisplayInfo>& outDisplayInfos) {
-    ftl::SmallMap<ui::LayerStack, DisplayDevice::InputInfo, 4> displayInputInfos;
+    display::DisplayMap<ui::LayerStack, DisplayDevice::InputInfo> displayInputInfos;
 
     for (const auto& [_, display] : FTL_FAKE_GUARD(mStateLock, mDisplays)) {
         const auto layerStack = display->getLayerStack();
@@ -3344,10 +3294,11 @@
     mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
         if (!layer->needsInputInfo()) return;
 
-        const auto opt = displayInputInfos.get(layer->getLayerStack(),
-                                               [](const auto& info) -> Layer::InputDisplayArgs {
-                                                   return {&info.transform, info.isSecure};
-                                               });
+        const auto opt = displayInputInfos.get(layer->getLayerStack())
+                                 .transform([](const DisplayDevice::InputInfo& info) {
+                                     return Layer::InputDisplayArgs{&info.transform, info.isSecure};
+                                 });
+
         outWindowInfos.push_back(layer->fillInputInfo(opt.value_or(Layer::InputDisplayArgs{})));
     });
 
@@ -3400,20 +3351,16 @@
     mScheduler->onFrameRateOverridesChanged(mAppConnectionHandle, displayId);
 }
 
-void SurfaceFlinger::initScheduler(const sp<DisplayDevice>& display) {
-    if (mScheduler) {
-        // If the scheduler is already initialized, this means that we received
-        // a hotplug(connected) on the primary display. In that case we should
-        // update the scheduler with the most recent display information.
-        ALOGW("Scheduler already initialized, updating instead");
-        mScheduler->setRefreshRateConfigs(display->holdRefreshRateConfigs());
-        return;
-    }
-    const auto currRefreshRate = display->getActiveMode()->getFps();
-    mRefreshRateStats = std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, currRefreshRate,
-                                                                      hal::PowerMode::OFF);
+void SurfaceFlinger::initScheduler(const sp<const DisplayDevice>& display) {
+    LOG_ALWAYS_FATAL_IF(mScheduler);
 
-    mVsyncConfiguration = getFactory().createVsyncConfiguration(currRefreshRate);
+    const auto activeModePtr = display->refreshRateConfigs().getActiveModePtr();
+    const Fps activeRefreshRate = activeModePtr->getFps();
+    mRefreshRateStats =
+            std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, activeRefreshRate,
+                                                          hal::PowerMode::OFF);
+
+    mVsyncConfiguration = getFactory().createVsyncConfiguration(activeRefreshRate);
     mVsyncModulator = sp<VsyncModulator>::make(mVsyncConfiguration->getCurrentConfigs());
 
     using Feature = scheduler::Feature;
@@ -3446,7 +3393,7 @@
     mScheduler->startTimers();
 
     const auto configs = mVsyncConfiguration->getCurrentConfigs();
-    const nsecs_t vsyncPeriod = currRefreshRate.getPeriodNsecs();
+    const nsecs_t vsyncPeriod = activeRefreshRate.getPeriodNsecs();
     mAppConnectionHandle =
             mScheduler->createConnection("app", mFrameTimeline->getTokenManager(),
                                          /*workDuration=*/configs.late.appWorkDuration,
@@ -3460,12 +3407,13 @@
                                              mInterceptor->saveVSyncEvent(timestamp);
                                          });
 
-    mScheduler->initVsync(mScheduler->getVsyncDispatch(), *mFrameTimeline->getTokenManager(),
-                          configs.late.sfWorkDuration);
+    mScheduler->initVsync(mScheduler->getVsyncSchedule().getDispatch(),
+                          *mFrameTimeline->getTokenManager(), configs.late.sfWorkDuration);
 
     mRegionSamplingThread =
-            new RegionSamplingThread(*this, RegionSamplingThread::EnvironmentTimingTunables());
-    mFpsReporter = new FpsReporter(*mFrameTimeline, *this);
+            sp<RegionSamplingThread>::make(*this,
+                                           RegionSamplingThread::EnvironmentTimingTunables());
+    mFpsReporter = sp<FpsReporter>::make(*mFrameTimeline, *this);
     // Dispatch a mode change request for the primary display on scheduler
     // initialization, so that the EventThreads always contain a reference to a
     // prior configuration.
@@ -3473,7 +3421,7 @@
     // This is a bit hacky, but this avoids a back-pointer into the main SF
     // classes from EventThread, and there should be no run-time binder cost
     // anyway since there are no connected apps at this point.
-    mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, display->getActiveMode());
+    mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, activeModePtr);
 }
 
 void SurfaceFlinger::updatePhaseConfiguration(const Fps& refreshRate) {
@@ -3523,10 +3471,6 @@
         mLayersPendingRemoval.clear();
     }
 
-    // If this transaction is part of a window animation then the next frame
-    // we composite should be considered an animation as well.
-    mAnimCompositionPending = mAnimTransactionPending;
-
     mDrawingState = mCurrentState;
     // clear the "changed" flags in current state
     mCurrentState.colorMatrixChanged = false;
@@ -3572,8 +3516,6 @@
     bool frameQueued = false;
     bool newDataLatched = false;
 
-    const nsecs_t expectedPresentTime = mExpectedPresentTime.load();
-
     // Store the set of layers that need updates. This set must not change as
     // buffers are being latched, as this could result in a deadlock.
     // Example: Two producers share the same command stream and:
@@ -3593,12 +3535,7 @@
 
         if (layer->hasReadyFrame()) {
             frameQueued = true;
-            if (layer->shouldPresentNow(expectedPresentTime)) {
-                mLayersWithQueuedFrames.emplace(layer);
-            } else {
-                ATRACE_NAME("!layer->shouldPresentNow()");
-                layer->useEmptyDamage();
-            }
+            mLayersWithQueuedFrames.emplace(sp<Layer>::fromExisting(layer));
         } else {
             layer->useEmptyDamage();
         }
@@ -3619,7 +3556,7 @@
         Mutex::Autolock lock(mStateLock);
 
         for (const auto& layer : mLayersWithQueuedFrames) {
-            if (layer->latchBuffer(visibleRegions, latchTime, expectedPresentTime)) {
+            if (layer->latchBuffer(visibleRegions, latchTime)) {
                 mLayersPendingRefresh.push_back(layer);
                 newDataLatched = true;
             }
@@ -3653,9 +3590,9 @@
 status_t SurfaceFlinger::addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
                                         const sp<Layer>& layer, const wp<Layer>& parent,
                                         bool addToRoot, uint32_t* outTransformHint) {
-    if (mNumLayers >= ISurfaceComposer::MAX_LAYERS) {
+    if (mNumLayers >= MAX_LAYERS) {
         ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers.load(),
-              ISurfaceComposer::MAX_LAYERS);
+              MAX_LAYERS);
         static_cast<void>(mScheduler->schedule([=] {
             ALOGE("Dumping random sampling of on-screen layers: ");
             mDrawingState.traverse([&](Layer *layer) {
@@ -3676,15 +3613,16 @@
         return NO_MEMORY;
     }
 
+    layer->updateTransformHint(mActiveDisplayTransformHint);
+    if (outTransformHint) {
+        *outTransformHint = mActiveDisplayTransformHint;
+    }
+
     {
         std::scoped_lock<std::mutex> lock(mCreatedLayersLock);
         mCreatedLayers.emplace_back(layer, parent, addToRoot);
     }
 
-    layer->updateTransformHint(mActiveDisplayTransformHint);
-    if (outTransformHint) {
-        *outTransformHint = mActiveDisplayTransformHint;
-    }
     // attach this layer to the client
     if (client != nullptr) {
         client->attachLayer(handle, layer);
@@ -3711,52 +3649,33 @@
     }
 }
 
-bool SurfaceFlinger::stopTransactionProcessing(
-        const std::unordered_set<sp<IBinder>, SpHash<IBinder>>&
-                applyTokensWithUnsignaledTransactions) const {
-    if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::AutoSingleLayer) {
-        // if we are in LatchUnsignaledConfig::AutoSingleLayer
-        // then we should have only one applyToken for processing.
-        // so we can stop further transactions on this applyToken.
-        return !applyTokensWithUnsignaledTransactions.empty();
-    }
-
-    return false;
-}
-
-int SurfaceFlinger::flushUnsignaledPendingTransactionQueues(
-        std::vector<TransactionState>& transactions,
-        std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-        std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions) {
-    return flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                                         applyTokensWithUnsignaledTransactions,
-                                         /*tryApplyUnsignaled*/ true);
-}
-
 int SurfaceFlinger::flushPendingTransactionQueues(
         std::vector<TransactionState>& transactions,
         std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-        std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions,
         bool tryApplyUnsignaled) {
+    std::unordered_set<sp<IBinder>, SpHash<IBinder>> applyTokensWithUnsignaledTransactions;
     int transactionsPendingBarrier = 0;
     auto it = mPendingTransactionQueues.begin();
     while (it != mPendingTransactionQueues.end()) {
         auto& [applyToken, transactionQueue] = *it;
         while (!transactionQueue.empty()) {
-            if (stopTransactionProcessing(applyTokensWithUnsignaledTransactions)) {
+            // if we are in LatchUnsignaledConfig::AutoSingleLayer
+            // then we should have only one applyToken for processing.
+            // so we can stop further transactions on this applyToken.
+            if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::AutoSingleLayer &&
+                !applyTokensWithUnsignaledTransactions.empty()) {
                 ATRACE_NAME("stopTransactionProcessing");
                 break;
             }
 
             auto& transaction = transactionQueue.front();
             const auto ready =
-                transactionIsReadyToBeApplied(transaction,
-                                              transaction.frameTimelineInfo,
-                                              transaction.isAutoTimestamp,
-                                              transaction.desiredPresentTime,
-                                              transaction.originUid, transaction.states,
-                                              bufferLayersReadyToPresent, transactions.size(),
-                                              tryApplyUnsignaled);
+                    transactionIsReadyToBeApplied(transaction, transaction.frameTimelineInfo,
+                                                  transaction.isAutoTimestamp,
+                                                  TimePoint::fromNs(transaction.desiredPresentTime),
+                                                  transaction.originUid, transaction.states,
+                                                  bufferLayersReadyToPresent, transactions.size(),
+                                                  tryApplyUnsignaled);
             ATRACE_INT("TransactionReadiness", static_cast<int>(ready));
             if (ready == TransactionReadiness::NotReady) {
                 setTransactionFlags(eTransactionFlushNeeded);
@@ -3785,11 +3704,12 @@
 
             transactions.emplace_back(std::move(transaction));
             transactionQueue.pop();
+            mPendingTransactionCount--;
+            ATRACE_INT("TransactionQueue", mPendingTransactionCount.load());
         }
 
         if (transactionQueue.empty()) {
             it = mPendingTransactionQueues.erase(it);
-            mTransactionQueueCV.broadcast();
         } else {
             it = std::next(it, 1);
         }
@@ -3797,73 +3717,23 @@
     return transactionsPendingBarrier;
 }
 
-bool SurfaceFlinger::flushTransactionQueues(int64_t vsyncId) {
+bool SurfaceFlinger::flushTransactionQueues(VsyncId vsyncId) {
     // to prevent onHandleDestroyed from being called while the lock is held,
     // we must keep a copy of the transactions (specifically the composer
     // states) around outside the scope of the lock
     std::vector<TransactionState> transactions;
     // Layer handles that have transactions with buffers that are ready to be applied.
     std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>> bufferLayersReadyToPresent;
-    std::unordered_set<sp<IBinder>, SpHash<IBinder>> applyTokensWithUnsignaledTransactions;
     {
         Mutex::Autolock _l(mStateLock);
         {
-            Mutex::Autolock _l(mQueueLock);
-
-            int lastTransactionsPendingBarrier = 0;
-            int transactionsPendingBarrier = 0;
-            // First collect transactions from the pending transaction queues.
-            // We are not allowing unsignaled buffers here as we want to
-            // collect all the transactions from applyTokens that are ready first.
-            transactionsPendingBarrier =
-                    flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                            applyTokensWithUnsignaledTransactions, /*tryApplyUnsignaled*/ false);
-
-            // Second, collect transactions from the transaction queue.
-            // Here as well we are not allowing unsignaled buffers for the same
-            // reason as above.
-            while (!mTransactionQueue.empty()) {
-                auto& transaction = mTransactionQueue.front();
-                const bool pendingTransactions =
-                        mPendingTransactionQueues.find(transaction.applyToken) !=
-                        mPendingTransactionQueues.end();
-                const auto ready = [&]() REQUIRES(mStateLock) {
-                    if (pendingTransactions) {
-                        ATRACE_NAME("pendingTransactions");
-                        return TransactionReadiness::NotReady;
-                    }
-
-                    return transactionIsReadyToBeApplied(transaction, transaction.frameTimelineInfo,
-                                                         transaction.isAutoTimestamp,
-                                                         transaction.desiredPresentTime,
-                                                         transaction.originUid, transaction.states,
-                                                         bufferLayersReadyToPresent,
-                                                         transactions.size(),
-                                                         /*tryApplyUnsignaled*/ false);
-                }();
-                ATRACE_INT("TransactionReadiness", static_cast<int>(ready));
-                if (ready != TransactionReadiness::Ready) {
-                    if (ready == TransactionReadiness::NotReadyBarrier) {
-                        transactionsPendingBarrier++;
-                    }
-                    mPendingTransactionQueues[transaction.applyToken].push(std::move(transaction));
-                } else {
-                    transaction.traverseStatesWithBuffers([&](const layer_state_t& state) {
-                        const bool frameNumberChanged = state.bufferData->flags.test(
-                                BufferData::BufferDataChange::frameNumberChanged);
-                        if (frameNumberChanged) {
-                            bufferLayersReadyToPresent[state.surface] = state.bufferData->frameNumber;
-                        } else {
-                            // Barrier function only used for BBQ which always includes a frame number.
-                            // This value only used for barrier logic.
-                            bufferLayersReadyToPresent[state.surface] =
-                                std::numeric_limits<uint64_t>::max();
-                        }
-                    });
-                    transactions.emplace_back(std::move(transaction));
+            while (!mLocklessTransactionQueue.isEmpty()) {
+                auto maybeTransaction = mLocklessTransactionQueue.pop();
+                if (!maybeTransaction.has_value()) {
+                    break;
                 }
-                mTransactionQueue.pop_front();
-                ATRACE_INT("TransactionQueue", mTransactionQueue.size());
+                auto transaction = maybeTransaction.value();
+                mPendingTransactionQueues[transaction.applyToken].push(std::move(transaction));
             }
 
             // Transactions with a buffer pending on a barrier may be on a different applyToken
@@ -3876,20 +3746,21 @@
             // loop through flushPendingTransactionQueues until we perform an iteration
             // where the number of transactionsPendingBarrier doesn't change. This way
             // we can continue to resolve dependency chains of barriers as far as possible.
-            while (lastTransactionsPendingBarrier != transactionsPendingBarrier) {
+            int lastTransactionsPendingBarrier = 0;
+            int transactionsPendingBarrier = 0;
+            do {
                 lastTransactionsPendingBarrier = transactionsPendingBarrier;
                 transactionsPendingBarrier =
-                    flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                        applyTokensWithUnsignaledTransactions,
-                        /*tryApplyUnsignaled*/ false);
-            }
+                        flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
+                                                      /*tryApplyUnsignaled*/ false);
+            } while (lastTransactionsPendingBarrier != transactionsPendingBarrier);
 
             // We collected all transactions that could apply without latching unsignaled buffers.
             // If we are allowing latch unsignaled of some form, now it's the time to go over the
             // transactions that were not applied and try to apply them unsignaled.
             if (enableLatchUnsignaledConfig != LatchUnsignaledConfig::Disabled) {
-                flushUnsignaledPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
-                                                        applyTokensWithUnsignaledTransactions);
+                flushPendingTransactionQueues(transactions, bufferLayersReadyToPresent,
+                                              /*tryApplyUnsignaled*/ true);
             }
 
             return applyTransactions(transactions, vsyncId);
@@ -3898,7 +3769,7 @@
 }
 
 bool SurfaceFlinger::applyTransactions(std::vector<TransactionState>& transactions,
-                                       int64_t vsyncId) {
+                                       VsyncId vsyncId) {
     bool needsTraversal = false;
     // Now apply all transactions.
     for (auto& transaction : transactions) {
@@ -3911,44 +3782,40 @@
                                       transaction.permissions, transaction.hasListenerCallbacks,
                                       transaction.listenerCallbacks, transaction.originPid,
                                       transaction.originUid, transaction.id);
-        if (transaction.transactionCommittedSignal) {
-            mTransactionCommittedSignals.emplace_back(
-                    std::move(transaction.transactionCommittedSignal));
-        }
     }
 
     if (mTransactionTracing) {
-        mTransactionTracing->addCommittedTransactions(transactions, vsyncId);
+        mTransactionTracing->addCommittedTransactions(transactions, vsyncId.value);
     }
     return needsTraversal;
 }
 
 bool SurfaceFlinger::transactionFlushNeeded() {
-    Mutex::Autolock _l(mQueueLock);
-    return !mPendingTransactionQueues.empty() || !mTransactionQueue.empty();
+    return !mPendingTransactionQueues.empty() || !mLocklessTransactionQueue.isEmpty();
 }
 
-bool SurfaceFlinger::frameIsEarly(nsecs_t expectedPresentTime, int64_t vsyncId) const {
-    // The amount of time SF can delay a frame if it is considered early based
-    // on the VsyncModulator::VsyncConfig::appWorkDuration
-    constexpr static std::chrono::nanoseconds kEarlyLatchMaxThreshold = 100ms;
-
-    const auto currentVsyncPeriod = mScheduler->getDisplayStatInfo(systemTime()).vsyncPeriod;
-    const auto earlyLatchVsyncThreshold = currentVsyncPeriod / 2;
-
-    const auto prediction = mFrameTimeline->getTokenManager()->getPredictionsForToken(vsyncId);
-    if (!prediction.has_value()) {
+bool SurfaceFlinger::frameIsEarly(TimePoint expectedPresentTime, VsyncId vsyncId) const {
+    const auto prediction =
+            mFrameTimeline->getTokenManager()->getPredictionsForToken(vsyncId.value);
+    if (!prediction) {
         return false;
     }
 
-    if (std::abs(prediction->presentTime - expectedPresentTime) >=
-        kEarlyLatchMaxThreshold.count()) {
+    const auto predictedPresentTime = TimePoint::fromNs(prediction->presentTime);
+
+    // The duration for which SF can delay a frame if it is considered early based on the
+    // VsyncModulator::VsyncConfig::appWorkDuration.
+    if (constexpr std::chrono::nanoseconds kEarlyLatchMaxThreshold = 100ms;
+        std::chrono::abs(predictedPresentTime - expectedPresentTime) >= kEarlyLatchMaxThreshold) {
         return false;
     }
 
-    return prediction->presentTime >= expectedPresentTime &&
-            prediction->presentTime - expectedPresentTime >= earlyLatchVsyncThreshold;
+    const Duration earlyLatchVsyncThreshold = mScheduler->getVsyncSchedule().period() / 2;
+
+    return predictedPresentTime >= expectedPresentTime &&
+            predictedPresentTime - expectedPresentTime >= earlyLatchVsyncThreshold;
 }
+
 bool SurfaceFlinger::shouldLatchUnsignaled(const sp<Layer>& layer, const layer_state_t& state,
                                            size_t numStates, size_t totalTXapplied) const {
     if (enableLatchUnsignaledConfig == LatchUnsignaledConfig::Disabled) {
@@ -3995,30 +3862,29 @@
     return true;
 }
 
-auto SurfaceFlinger::transactionIsReadyToBeApplied(TransactionState& transaction,
-        const FrameTimelineInfo& info, bool isAutoTimestamp, int64_t desiredPresentTime,
-        uid_t originUid, const Vector<ComposerState>& states,
-        const std::unordered_map<
-            sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
+auto SurfaceFlinger::transactionIsReadyToBeApplied(
+        TransactionState& transaction, const FrameTimelineInfo& info, bool isAutoTimestamp,
+        TimePoint desiredPresentTime, uid_t originUid, const Vector<ComposerState>& states,
+        const std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>&
+                bufferLayersReadyToPresent,
         size_t totalTXapplied, bool tryApplyUnsignaled) const -> TransactionReadiness {
     ATRACE_FORMAT("transactionIsReadyToBeApplied vsyncId: %" PRId64, info.vsyncId);
-    const nsecs_t expectedPresentTime = mExpectedPresentTime.load();
     // Do not present if the desiredPresentTime has not passed unless it is more than one second
     // in the future. We ignore timestamps more than 1 second in the future for stability reasons.
-    if (!isAutoTimestamp && desiredPresentTime >= expectedPresentTime &&
-        desiredPresentTime < expectedPresentTime + s2ns(1)) {
+    if (!isAutoTimestamp && desiredPresentTime >= mExpectedPresentTime &&
+        desiredPresentTime < mExpectedPresentTime + 1s) {
         ATRACE_NAME("not current");
         return TransactionReadiness::NotReady;
     }
 
-    if (!mScheduler->isVsyncValid(expectedPresentTime, originUid)) {
+    if (!mScheduler->isVsyncValid(mExpectedPresentTime, originUid)) {
         ATRACE_NAME("!isVsyncValid");
         return TransactionReadiness::NotReady;
     }
 
     // If the client didn't specify desiredPresentTime, use the vsyncId to determine the expected
     // present time of this transaction.
-    if (isAutoTimestamp && frameIsEarly(expectedPresentTime, info.vsyncId)) {
+    if (isAutoTimestamp && frameIsEarly(mExpectedPresentTime, VsyncId{info.vsyncId})) {
         ATRACE_NAME("frameIsEarly");
         return TransactionReadiness::NotReady;
     }
@@ -4064,7 +3930,7 @@
 
         if (fenceUnsignaled && !allowLatchUnsignaled) {
             if (!transaction.sentFenceTimeoutWarning &&
-                queueProcessTime - transaction.queueTime > std::chrono::nanoseconds(4s).count()) {
+                queueProcessTime - transaction.postTime > std::chrono::nanoseconds(4s).count()) {
                 transaction.sentFenceTimeoutWarning = true;
                 auto listener = s.bufferData->releaseBufferListener;
                 if (listener) {
@@ -4091,20 +3957,9 @@
 }
 
 void SurfaceFlinger::queueTransaction(TransactionState& state) {
-    state.queueTime = systemTime();
-
-    Mutex::Autolock lock(mQueueLock);
-
-    // Generate a CountDownLatch pending state if this is a synchronous transaction.
-    if ((state.flags & eSynchronous) || state.inputWindowCommands.syncInputWindows) {
-        state.transactionCommittedSignal = std::make_shared<CountDownLatch>(
-                (state.inputWindowCommands.syncInputWindows
-                         ? (CountDownLatch::eSyncInputWindows | CountDownLatch::eSyncTransaction)
-                         : CountDownLatch::eSyncTransaction));
-    }
-
-    mTransactionQueue.emplace_back(state);
-    ATRACE_INT("TransactionQueue", mTransactionQueue.size());
+    mLocklessTransactionQueue.push(state);
+    mPendingTransactionCount++;
+    ATRACE_INT("TransactionQueue", mPendingTransactionCount.load());
 
     const auto schedule = [](uint32_t flags) {
         if (flags & eEarlyWakeupEnd) return TransactionSchedule::EarlyEnd;
@@ -4117,28 +3972,6 @@
     setTransactionFlags(eTransactionFlushNeeded, schedule, state.applyToken, frameHint);
 }
 
-void SurfaceFlinger::waitForSynchronousTransaction(
-        const CountDownLatch& transactionCommittedSignal) {
-    // applyTransactionState is called on the main SF thread.  While a given process may wish
-    // to wait on synchronous transactions, the main SF thread should apply the transaction and
-    // set the value to notify this after committed.
-    if (!transactionCommittedSignal.wait_until(
-                std::chrono::nanoseconds(mAnimationTransactionTimeout))) {
-        ALOGE("setTransactionState timed out!");
-    }
-}
-
-void SurfaceFlinger::signalSynchronousTransactions(const uint32_t flag) {
-    for (auto it = mTransactionCommittedSignals.begin();
-         it != mTransactionCommittedSignals.end();) {
-        if ((*it)->countDown(flag)) {
-            it = mTransactionCommittedSignals.erase(it);
-        } else {
-            it++;
-        }
-    }
-}
-
 status_t SurfaceFlinger::setTransactionState(
         const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& states,
         const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
@@ -4191,11 +4024,6 @@
     }
     queueTransaction(state);
 
-    // Check the pending state to make sure the transaction is synchronous.
-    if (state.transactionCommittedSignal) {
-        waitForSynchronousTransaction(*state.transactionCommittedSignal);
-    }
-
     return NO_ERROR;
 }
 
@@ -4252,8 +4080,7 @@
     // anyway. This can be used as a flush mechanism for previous async transactions.
     // Empty animation transaction can be used to simulate back-pressure, so also force a
     // transaction for empty animation transactions.
-    if (transactionFlags == 0 &&
-            ((flags & eSynchronous) || (flags & eAnimation))) {
+    if (transactionFlags == 0 && (flags & eAnimation)) {
         transactionFlags = eTransactionNeeded;
     }
 
@@ -4273,10 +4100,6 @@
         if (transactionFlags) {
             setTransactionFlags(transactionFlags);
         }
-
-        if (flags & eAnimation) {
-            mAnimTransactionPending = true;
-        }
     }
 
     return needsTraversal;
@@ -4385,7 +4208,7 @@
     if (layer == nullptr) {
         for (auto& [listener, callbackIds] : s.listeners) {
             mTransactionCallbackInvoker.registerUnpresentedCallbackHandle(
-                    new CallbackHandle(listener, callbackIds, s.surface));
+                    sp<CallbackHandle>::make(listener, callbackIds, s.surface));
         }
         return 0;
     }
@@ -4439,11 +4262,6 @@
             }
         }
     }
-    if (what & layer_state_t::eSizeChanged) {
-        if (layer->setSize(s.w, s.h)) {
-            flags |= eTraversalNeeded;
-        }
-    }
     if (what & layer_state_t::eAlphaChanged) {
         if (layer->setAlpha(s.alpha))
             flags |= eTraversalNeeded;
@@ -4482,6 +4300,11 @@
     if (what & layer_state_t::eBlurRegionsChanged) {
         if (layer->setBlurRegions(s.blurRegions)) flags |= eTraversalNeeded;
     }
+    if (what & layer_state_t::eRenderBorderChanged) {
+        if (layer->enableBorder(s.borderEnabled, s.borderWidth, s.borderColor)) {
+            flags |= eTraversalNeeded;
+        }
+    }
     if (what & layer_state_t::eLayerStackChanged) {
         ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
         // We only allow setting layer stacks for top level layers,
@@ -4533,16 +4356,20 @@
     }
     std::optional<nsecs_t> dequeueBufferTimestamp;
     if (what & layer_state_t::eMetadataChanged) {
-        dequeueBufferTimestamp = s.metadata.getInt64(METADATA_DEQUEUE_TIME);
+        dequeueBufferTimestamp = s.metadata.getInt64(gui::METADATA_DEQUEUE_TIME);
 
-        if (const int32_t gameMode = s.metadata.getInt32(METADATA_GAME_MODE, -1); gameMode != -1) {
+        if (const int32_t gameMode = s.metadata.getInt32(gui::METADATA_GAME_MODE, -1);
+            gameMode != -1) {
             // The transaction will be received on the Task layer and needs to be applied to all
             // child layers. Child layers that are added at a later point will obtain the game mode
             // info through addChild().
             layer->setGameModeForTree(static_cast<GameMode>(gameMode));
         }
 
-        if (layer->setMetadata(s.metadata)) flags |= eTraversalNeeded;
+        if (layer->setMetadata(s.metadata)) {
+            flags |= eTraversalNeeded;
+            mLayerMetadataSnapshotNeeded = true;
+        }
     }
     if (what & layer_state_t::eColorSpaceAgnosticChanged) {
         if (layer->setColorSpaceAgnostic(s.colorSpaceAgnostic)) {
@@ -4552,6 +4379,14 @@
     if (what & layer_state_t::eShadowRadiusChanged) {
         if (layer->setShadowRadius(s.shadowRadius)) flags |= eTraversalNeeded;
     }
+    if (what & layer_state_t::eDefaultFrameRateCompatibilityChanged) {
+        const auto compatibility =
+                Layer::FrameRate::convertCompatibility(s.defaultFrameRateCompatibility);
+
+        if (layer->setDefaultFrameRateCompatibility(compatibility)) {
+            flags |= eTraversalNeeded;
+        }
+    }
     if (what & layer_state_t::eFrameRateSelectionPriority) {
         if (layer->setFrameRateSelectionPriority(s.frameRateSelectionPriority)) {
             flags |= eTraversalNeeded;
@@ -4602,7 +4437,7 @@
     if (what & layer_state_t::eDropInputModeChanged) {
         if (layer->setDropInputMode(s.dropInputMode)) {
             flags |= eTraversalNeeded;
-            mInputInfoChanged = true;
+            mUpdateInputInfo = true;
         }
     }
     // This has to happen after we reparent children because when we reparent to null we remove
@@ -4625,7 +4460,8 @@
     std::vector<sp<CallbackHandle>> callbackHandles;
     if ((what & layer_state_t::eHasListenerCallbacksChanged) && (!filteredListeners.empty())) {
         for (auto& [listener, callbackIds] : filteredListeners) {
-            callbackHandles.emplace_back(new CallbackHandle(listener, callbackIds, s.surface));
+            callbackHandles.emplace_back(
+                    sp<CallbackHandle>::make(listener, callbackIds, s.surface));
         }
     }
 
@@ -4666,7 +4502,9 @@
         if (!mirrorFrom) {
             return NAME_NOT_FOUND;
         }
-        status_t result = createContainerLayer(args, outHandle, &mirrorLayer);
+        LayerCreationArgs mirrorArgs = args;
+        mirrorArgs.flags |= ISurfaceComposerClient::eNoColorFill;
+        status_t result = createEffectLayer(mirrorArgs, outHandle, &mirrorLayer);
         if (result != NO_ERROR) {
             return result;
         }
@@ -4683,6 +4521,55 @@
                           false /* addToRoot */, nullptr /* outTransformHint */);
 }
 
+status_t SurfaceFlinger::mirrorDisplay(DisplayId displayId, const LayerCreationArgs& args,
+                                       sp<IBinder>* outHandle, int32_t* outLayerId) {
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int uid = ipc->getCallingUid();
+    if (uid != AID_ROOT && uid != AID_GRAPHICS && uid != AID_SYSTEM && uid != AID_SHELL) {
+        ALOGE("Permission denied when trying to mirror display");
+        return PERMISSION_DENIED;
+    }
+
+    ui::LayerStack layerStack;
+    sp<Layer> rootMirrorLayer;
+    status_t result = 0;
+
+    {
+        Mutex::Autolock lock(mStateLock);
+
+        const auto display = getDisplayDeviceLocked(displayId);
+        if (!display) {
+            return NAME_NOT_FOUND;
+        }
+
+        layerStack = display->getLayerStack();
+        LayerCreationArgs mirrorArgs = args;
+        mirrorArgs.flags |= ISurfaceComposerClient::eNoColorFill;
+        result = createEffectLayer(mirrorArgs, outHandle, &rootMirrorLayer);
+        *outLayerId = rootMirrorLayer->sequence;
+        result |= addClientLayer(args.client, *outHandle, rootMirrorLayer /* layer */,
+                                 nullptr /* parent */, true /* addToRoot */,
+                                 nullptr /* outTransformHint */);
+    }
+
+    if (result != NO_ERROR) {
+        return result;
+    }
+
+    if (mTransactionTracing) {
+        mTransactionTracing->onLayerAdded((*outHandle)->localBinder(), *outLayerId, args.name,
+                                          args.flags, -1 /* parentId */);
+    }
+
+    {
+        std::scoped_lock<std::mutex> lock(mMirrorDisplayLock);
+        mMirrorDisplays.emplace_back(layerStack, *outHandle, args.client);
+    }
+
+    setTransactionFlags(eTransactionFlushNeeded);
+    return NO_ERROR;
+}
+
 status_t SurfaceFlinger::createLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
                                      const sp<IBinder>& parentHandle, int32_t* outLayerId,
                                      const sp<Layer>& parentLayer, uint32_t* outTransformHint) {
@@ -4696,7 +4583,11 @@
 
     switch (args.flags & ISurfaceComposerClient::eFXSurfaceMask) {
         case ISurfaceComposerClient::eFXSurfaceBufferQueue:
-        case ISurfaceComposerClient::eFXSurfaceBufferState: {
+        case ISurfaceComposerClient::eFXSurfaceContainer:
+        case ISurfaceComposerClient::eFXSurfaceBufferState:
+            args.flags |= ISurfaceComposerClient::eNoColorFill;
+            FMT_FALLTHROUGH;
+        case ISurfaceComposerClient::eFXSurfaceEffect: {
             result = createBufferStateLayer(args, outHandle, &layer);
             std::atomic<int32_t>* pendingBufferCounter = layer->getPendingBufferCounter();
             if (pendingBufferCounter) {
@@ -4705,12 +4596,6 @@
                                         pendingBufferCounter);
             }
         } break;
-        case ISurfaceComposerClient::eFXSurfaceEffect:
-            result = createEffectLayer(args, outHandle, &layer);
-            break;
-        case ISurfaceComposerClient::eFXSurfaceContainer:
-            result = createContainerLayer(args, outHandle, &layer);
-            break;
         default:
             result = BAD_VALUE;
             break;
@@ -4751,42 +4636,6 @@
     return result;
 }
 
-status_t SurfaceFlinger::createBufferQueueLayer(LayerCreationArgs& args, PixelFormat& format,
-                                                sp<IBinder>* handle,
-                                                sp<IGraphicBufferProducer>* gbp,
-                                                sp<Layer>* outLayer) {
-    // initialize the surfaces
-    switch (format) {
-    case PIXEL_FORMAT_TRANSPARENT:
-    case PIXEL_FORMAT_TRANSLUCENT:
-        format = PIXEL_FORMAT_RGBA_8888;
-        break;
-    case PIXEL_FORMAT_OPAQUE:
-        format = PIXEL_FORMAT_RGBX_8888;
-        break;
-    }
-
-    sp<BufferQueueLayer> layer;
-    args.textureName = getNewTexture();
-    {
-        // Grab the SF state lock during this since it's the only safe way to access
-        // RenderEngine when creating a BufferLayerConsumer
-        // TODO: Check if this lock is still needed here
-        Mutex::Autolock lock(mStateLock);
-        layer = getFactory().createBufferQueueLayer(args);
-    }
-
-    status_t err = layer->setDefaultBufferProperties(0, 0, format);
-    if (err == NO_ERROR) {
-        *handle = layer->getHandle();
-        *gbp = layer->getProducer();
-        *outLayer = layer;
-    }
-
-    ALOGE_IF(err, "createBufferQueueLayer() failed (%s)", strerror(-err));
-    return err;
-}
-
 status_t SurfaceFlinger::createBufferStateLayer(LayerCreationArgs& args, sp<IBinder>* handle,
                                                 sp<Layer>* outLayer) {
     args.textureName = getNewTexture();
@@ -4802,13 +4651,6 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::createContainerLayer(const LayerCreationArgs& args, sp<IBinder>* handle,
-                                              sp<Layer>* outLayer) {
-    *outLayer = getFactory().createContainerLayer(args);
-    *handle = (*outLayer)->getHandle();
-    return NO_ERROR;
-}
-
 void SurfaceFlinger::markLayerPendingRemovalLocked(const sp<Layer>& layer) {
     mLayersPendingRemoval.add(layer);
     mLayersRemoved = true;
@@ -4825,8 +4667,6 @@
     }
 }
 
-// ---------------------------------------------------------------------------
-
 void SurfaceFlinger::onInitializeDisplays() {
     const auto display = getDefaultDisplayDeviceLocked();
     if (!display) return;
@@ -4858,19 +4698,15 @@
                           {}, mPid, getuid(), transactionId);
 
     setPowerModeInternal(display, hal::PowerMode::ON);
-    const nsecs_t vsyncPeriod = display->refreshRateConfigs().getActiveMode()->getVsyncPeriod();
-    mAnimFrameTracker.setDisplayRefreshPeriod(vsyncPeriod);
+
     mActiveDisplayTransformHint = display->getTransformHint();
-    // Use phase of 0 since phase is not known.
-    // Use latency of 0, which will snap to the ideal latency.
-    DisplayStatInfo stats{0 /* vsyncTime */, vsyncPeriod};
-    setCompositorTimingSnapped(stats, 0);
 }
 
 void SurfaceFlinger::initializeDisplays() {
     // Async since we may be called from the main thread.
-    static_cast<void>(
-            mScheduler->schedule([this]() FTL_FAKE_GUARD(mStateLock) { onInitializeDisplays(); }));
+    static_cast<void>(mScheduler->schedule(
+            [this]() FTL_FAKE_GUARD(mStateLock)
+                    FTL_FAKE_GUARD(kMainThreadContext) { onInitializeDisplays(); }));
 }
 
 void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode) {
@@ -4887,8 +4723,13 @@
         return;
     }
 
-    const auto activeDisplay = getDisplayDeviceLocked(mActiveDisplayToken);
-    if (activeDisplay != display && display->isInternal() && activeDisplay &&
+    const bool isActiveDisplay = displayId == mActiveDisplayId;
+    const bool isInternalDisplay = mPhysicalDisplays.get(displayId)
+                                           .transform(&PhysicalDisplay::isInternal)
+                                           .value_or(false);
+
+    const auto activeDisplay = getDisplayDeviceLocked(mActiveDisplayId);
+    if (isInternalDisplay && activeDisplay != display && activeDisplay &&
         activeDisplay->isPoweredOn()) {
         ALOGW("Trying to change power mode on non active display while the active display is ON");
     }
@@ -4898,10 +4739,10 @@
     if (mInterceptor->isEnabled()) {
         mInterceptor->savePowerModeUpdate(display->getSequenceId(), static_cast<int32_t>(mode));
     }
-    const auto refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
+    const auto refreshRate = display->refreshRateConfigs().getActiveMode().getFps();
     if (*currentMode == hal::PowerMode::OFF) {
         // Turn on the display
-        if (display->isInternal() && (!activeDisplay || !activeDisplay->isPoweredOn())) {
+        if (isInternalDisplay && (!activeDisplay || !activeDisplay->isPoweredOn())) {
             onActiveDisplayChangedLocked(display);
         }
         // Keep uclamp in a separate syscall and set it before changing to RT due to b/190237315.
@@ -4913,14 +4754,13 @@
             ALOGW("Couldn't set SCHED_FIFO on display on: %s\n", strerror(errno));
         }
         getHwComposer().setPowerMode(displayId, mode);
-        if (isDisplayActiveLocked(display) && mode != hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && mode != hal::PowerMode::DOZE_SUSPEND) {
             setHWCVsyncEnabled(displayId, mHWCVsyncPendingState);
             mScheduler->onScreenAcquired(mAppConnectionHandle);
             mScheduler->resyncToHardwareVsync(true, refreshRate);
         }
 
         mVisibleRegionsDirty = true;
-        mHasPoweredOff = true;
         scheduleComposite(FrameHint::kActive);
     } else if (mode == hal::PowerMode::OFF) {
         // Turn off the display
@@ -4930,7 +4770,7 @@
         if (SurfaceFlinger::setSchedAttr(false) != NO_ERROR) {
             ALOGW("Couldn't set uclamp.min on display off: %s\n", strerror(errno));
         }
-        if (isDisplayActiveLocked(display) && *currentMode != hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && *currentMode != hal::PowerMode::DOZE_SUSPEND) {
             mScheduler->disableHardwareVsync(true);
             mScheduler->onScreenReleased(mAppConnectionHandle);
         }
@@ -4944,13 +4784,16 @@
     } else if (mode == hal::PowerMode::DOZE || mode == hal::PowerMode::ON) {
         // Update display while dozing
         getHwComposer().setPowerMode(displayId, mode);
-        if (isDisplayActiveLocked(display) && *currentMode == hal::PowerMode::DOZE_SUSPEND) {
+        if (isActiveDisplay && *currentMode == hal::PowerMode::DOZE_SUSPEND) {
+            ALOGI("Force repainting for DOZE_SUSPEND -> DOZE or ON.");
+            mVisibleRegionsDirty = true;
+            scheduleRepaint();
             mScheduler->onScreenAcquired(mAppConnectionHandle);
             mScheduler->resyncToHardwareVsync(true, refreshRate);
         }
     } else if (mode == hal::PowerMode::DOZE_SUSPEND) {
         // Leave display going to doze
-        if (isDisplayActiveLocked(display)) {
+        if (isActiveDisplay) {
             mScheduler->disableHardwareVsync(true);
             mScheduler->onScreenReleased(mAppConnectionHandle);
         }
@@ -4960,7 +4803,7 @@
         getHwComposer().setPowerMode(displayId, mode);
     }
 
-    if (isDisplayActiveLocked(display)) {
+    if (isActiveDisplay) {
         mTimeStats->setPowerMode(mode);
         mRefreshRateStats->setPowerMode(mode);
         mScheduler->setDisplayPowerMode(mode);
@@ -4970,7 +4813,8 @@
 }
 
 void SurfaceFlinger::setPowerMode(const sp<IBinder>& displayToken, int mode) {
-    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) {
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) FTL_FAKE_GUARD(
+                                               kMainThreadContext) {
         const auto display = getDisplayDeviceLocked(displayToken);
         if (!display) {
             ALOGE("Attempt to set power mode %d for invalid display token %p", mode,
@@ -5007,11 +4851,11 @@
                 {"--latency-clear"s, argsDumper(&SurfaceFlinger::clearStatsLocked)},
                 {"--list"s, dumper(&SurfaceFlinger::listLayersLocked)},
                 {"--planner"s, argsDumper(&SurfaceFlinger::dumpPlannerInfo)},
-                {"--static-screen"s, dumper(&SurfaceFlinger::dumpStaticScreenStats)},
                 {"--timestats"s, protoDumper(&SurfaceFlinger::dumpTimeStats)},
                 {"--vsync"s, dumper(&SurfaceFlinger::dumpVSync)},
                 {"--wide-color"s, dumper(&SurfaceFlinger::dumpWideColorInfo)},
                 {"--frametimeline"s, argsDumper(&SurfaceFlinger::dumpFrameTimeline)},
+                {"--hwclayers"s, dumper(&SurfaceFlinger::dumpHwcLayersMinidumpLocked)},
         };
 
         const auto flag = args.empty() ? ""s : std::string(String8(args[0]));
@@ -5091,17 +4935,14 @@
 
 void SurfaceFlinger::dumpStatsLocked(const DumpArgs& args, std::string& result) const {
     StringAppendF(&result, "%" PRId64 "\n", getVsyncPeriodFromHWC());
+    if (args.size() < 2) return;
 
-    if (args.size() > 1) {
-        const auto name = String8(args[1]);
-        mCurrentState.traverseInZOrder([&](Layer* layer) {
-            if (layer->getName() == name.string()) {
-                layer->dumpFrameStats(result);
-            }
-        });
-    } else {
-        mAnimFrameTracker.dumpStats(result);
-    }
+    const auto name = String8(args[1]);
+    mCurrentState.traverseInZOrder([&](Layer* layer) {
+        if (layer->getName() == name.string()) {
+            layer->dumpFrameStats(result);
+        }
+    });
 }
 
 void SurfaceFlinger::clearStatsLocked(const DumpArgs& args, std::string&) {
@@ -5113,8 +4954,6 @@
             layer->clearFrameStats();
         }
     });
-
-    mAnimFrameTracker.clearStats();
 }
 
 void SurfaceFlinger::dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const {
@@ -5125,12 +4964,13 @@
     mFrameTimeline->parseArgs(args, result);
 }
 
-void SurfaceFlinger::logFrameStats() {
-    mDrawingState.traverse([&](Layer* layer) {
-        layer->logFrameStats();
-    });
+void SurfaceFlinger::logFrameStats(TimePoint now) {
+    static TimePoint sTimestamp = now;
+    if (now - sTimestamp < 30min) return;
+    sTimestamp = now;
 
-    mAnimFrameTracker.logAndResetStats("<win-anim>");
+    ATRACE_CALL();
+    mDrawingState.traverse([&](Layer* layer) { layer->logFrameStats(); });
 }
 
 void SurfaceFlinger::appendSfConfigString(std::string& result) const {
@@ -5173,21 +5013,6 @@
     }
 }
 
-void SurfaceFlinger::dumpStaticScreenStats(std::string& result) const {
-    result.append("Static screen stats:\n");
-    for (size_t b = 0; b < SurfaceFlingerBE::NUM_BUCKETS - 1; ++b) {
-        float bucketTimeSec = getBE().mFrameBuckets[b] / 1e9;
-        float percent = 100.0f *
-                static_cast<float>(getBE().mFrameBuckets[b]) / getBE().mTotalTime;
-        StringAppendF(&result, "  < %zd frames: %.3f s (%.1f%%)\n", b + 1, bucketTimeSec, percent);
-    }
-    float bucketTimeSec = getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] / 1e9;
-    float percent = 100.0f *
-            static_cast<float>(getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1]) / getBE().mTotalTime;
-    StringAppendF(&result, "  %zd+ frames: %.3f s (%.1f%%)\n", SurfaceFlingerBE::NUM_BUCKETS - 1,
-                  bucketTimeSec, percent);
-}
-
 void SurfaceFlinger::dumpCompositionDisplays(std::string& result) const {
     for (const auto& [token, display] : mDisplays) {
         display->getCompositionDisplay()->dump(result);
@@ -5196,9 +5021,23 @@
 }
 
 void SurfaceFlinger::dumpDisplays(std::string& result) const {
+    utils::Dumper dumper{result};
+
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        if (const auto device = getDisplayDeviceLocked(id)) {
+            device->dump(dumper);
+        }
+
+        utils::Dumper::Indent indent(dumper);
+        display.snapshot().dump(dumper);
+        dumper.eol();
+    }
+
     for (const auto& [token, display] : mDisplays) {
-        display->dump(result);
-        result += '\n';
+        if (display->isVirtual()) {
+            display->dump(dumper);
+            dumper.eol();
+        }
     }
 }
 
@@ -5253,28 +5092,24 @@
 }
 
 void SurfaceFlinger::dumpWideColorInfo(std::string& result) const {
-    StringAppendF(&result, "Device has wide color built-in display: %d\n", hasWideColorDisplay);
+    StringAppendF(&result, "Device supports wide color: %d\n", mSupportsWideColor);
     StringAppendF(&result, "Device uses color management: %d\n", useColorManagement);
     StringAppendF(&result, "DisplayColorSetting: %s\n",
                   decodeDisplayColorSetting(mDisplayColorSetting).c_str());
 
     // TODO: print out if wide-color mode is active or not
 
-    for (const auto& [token, display] : mDisplays) {
-        const auto displayId = PhysicalDisplayId::tryCast(display->getId());
-        if (!displayId) {
-            continue;
-        }
-
-        StringAppendF(&result, "Display %s color modes:\n", to_string(*displayId).c_str());
-        std::vector<ColorMode> modes = getHwComposer().getColorModes(*displayId);
-        for (auto&& mode : modes) {
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        StringAppendF(&result, "Display %s color modes:\n", to_string(id).c_str());
+        for (const auto mode : display.snapshot().colorModes()) {
             StringAppendF(&result, "    %s (%d)\n", decodeColorMode(mode).c_str(), mode);
         }
 
-        ColorMode currentMode = display->getCompositionDisplay()->getState().colorMode;
-        StringAppendF(&result, "    Current color mode: %s (%d)\n",
-                      decodeColorMode(currentMode).c_str(), currentMode);
+        if (const auto display = getDisplayDeviceLocked(id)) {
+            ui::ColorMode currentMode = display->getCompositionDisplay()->getState().colorMode;
+            StringAppendF(&result, "    Current color mode: %s (%d)\n",
+                          decodeColorMode(currentMode).c_str(), currentMode);
+        }
     }
     result.append("\n");
 }
@@ -5346,6 +5181,23 @@
     result.append(future.get());
 }
 
+void SurfaceFlinger::dumpHwcLayersMinidumpLocked(std::string& result) const {
+    for (const auto& [token, display] : mDisplays) {
+        const auto displayId = HalDisplayId::tryCast(display->getId());
+        if (!displayId) {
+            continue;
+        }
+
+        StringAppendF(&result, "Display %s (%s) HWC layers:\n", to_string(*displayId).c_str(),
+                      displayId == mActiveDisplayId ? "active" : "inactive");
+        Layer::miniDumpHeader(result);
+
+        const DisplayDevice& ref = *display;
+        mCurrentState.traverseInZOrder([&](Layer* layer) { layer->miniDump(result, ref); });
+        result.append("\n");
+    }
+}
+
 void SurfaceFlinger::dumpAllLocked(const DumpArgs& args, const std::string& compositionLayers,
                                    std::string& result) const {
     const bool colorize = !args.empty() && args[0] == String16("--color");
@@ -5384,9 +5236,6 @@
     dumpVSync(result);
     result.append("\n");
 
-    dumpStaticScreenStats(result);
-    result.append("\n");
-
     StringAppendF(&result, "Total missed frame count: %u\n", mFrameMissedCount.load());
     StringAppendF(&result, "HWC missed frame count: %u\n", mHwcFrameMissedCount.load());
     StringAppendF(&result, "GPU missed frame count: %u\n\n", mGpuFrameMissedCount.load());
@@ -5436,10 +5285,10 @@
 
     if (const auto display = getDefaultDisplayDeviceLocked()) {
         std::string fps, xDpi, yDpi;
-        if (const auto activeMode = display->getActiveMode()) {
-            fps = to_string(activeMode->getFps());
+        if (const auto activeModePtr = display->refreshRateConfigs().getActiveModePtr()) {
+            fps = to_string(activeModePtr->getFps());
 
-            const auto dpi = activeMode->getDpi();
+            const auto dpi = activeModePtr->getDpi();
             xDpi = base::StringPrintf("%.2f", dpi.x);
             yDpi = base::StringPrintf("%.2f", dpi.y);
         } else {
@@ -5470,23 +5319,7 @@
     }
     result.push_back('\n');
 
-    /*
-     * HWC layer minidump
-     */
-    for (const auto& [token, display] : mDisplays) {
-        const auto displayId = HalDisplayId::tryCast(display->getId());
-        if (!displayId) {
-            continue;
-        }
-
-        StringAppendF(&result, "Display %s (%s) HWC layers:\n", to_string(*displayId).c_str(),
-                      (isDisplayActiveLocked(display) ? "active" : "inactive"));
-        Layer::miniDumpHeader(result);
-
-        const DisplayDevice& ref = *display;
-        mCurrentState.traverseInZOrder([&](Layer* layer) { layer->miniDump(result, ref); });
-        result.append("\n");
-    }
+    dumpHwcLayersMinidumpLocked(result);
 
     {
         DumpArgs plannerArgs;
@@ -5549,29 +5382,11 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic error "-Wswitch-enum"
     switch (static_cast<ISurfaceComposerTag>(code)) {
-        case ENABLE_VSYNC_INJECTIONS:
-        case INJECT_VSYNC:
-            if (!hasMockHwc()) return PERMISSION_DENIED;
-            [[fallthrough]];
         // These methods should at minimum make sure that the client requested
         // access to SF.
-        case BOOT_FINISHED:
-        case CLEAR_ANIMATION_FRAME_STATS:
-        case GET_ANIMATION_FRAME_STATS:
-        case OVERRIDE_HDR_TYPES:
         case GET_HDR_CAPABILITIES:
-        case SET_DESIRED_DISPLAY_MODE_SPECS:
-        case GET_DESIRED_DISPLAY_MODE_SPECS:
-        case SET_ACTIVE_COLOR_MODE:
-        case SET_BOOT_DISPLAY_MODE:
         case GET_AUTO_LOW_LATENCY_MODE_SUPPORT:
         case GET_GAME_CONTENT_TYPE_SUPPORT:
-        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
-        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED:
-        case GET_DISPLAYED_CONTENT_SAMPLE:
-        case ADD_TUNNEL_MODE_ENABLED_LISTENER:
-        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER:
-        case SET_GLOBAL_SHADOW_SETTINGS:
         case ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN: {
             // OVERRIDE_HDR_TYPES is used by CTS tests, which acquire the necessary
             // permission dynamically. Don't use the permission cache for this check.
@@ -5584,100 +5399,38 @@
             }
             return OK;
         }
-        case GET_LAYER_DEBUG_INFO: {
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int uid = ipc->getCallingUid();
-            if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
-                ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-            return OK;
-        }
-        // Used by apps to hook Choreographer to SurfaceFlinger.
-        case CREATE_DISPLAY_EVENT_CONNECTION:
         // The following calls are currently used by clients that do not
         // request necessary permissions. However, they do not expose any secret
         // information, so it is OK to pass them.
-        case AUTHENTICATE_SURFACE:
         case GET_ACTIVE_COLOR_MODE:
         case GET_ACTIVE_DISPLAY_MODE:
         case GET_DISPLAY_COLOR_MODES:
-        case GET_DISPLAY_NATIVE_PRIMARIES:
-        case GET_STATIC_DISPLAY_INFO:
-        case GET_DYNAMIC_DISPLAY_INFO:
         case GET_DISPLAY_MODES:
-        case GET_SUPPORTED_FRAME_TIMESTAMPS:
         // Calling setTransactionState is safe, because you need to have been
         // granted a reference to Client* and Handle* to do anything with it.
-        case SET_TRANSACTION_STATE:
-        case CREATE_CONNECTION:
-        case GET_COLOR_MANAGEMENT:
-        case GET_COMPOSITION_PREFERENCE:
-        case GET_PROTECTED_CONTENT_SUPPORT:
-        // setFrameRate() is deliberately available for apps to call without any
-        // special permissions.
-        case SET_FRAME_RATE:
-        case GET_DISPLAY_DECORATION_SUPPORT:
-        case SET_FRAME_TIMELINE_INFO:
-        case GET_GPU_CONTEXT_PRIORITY:
-        case GET_MAX_ACQUIRED_BUFFER_COUNT: {
+        case SET_TRANSACTION_STATE: {
             // This is not sensitive information, so should not require permission control.
             return OK;
         }
-        case ADD_FPS_LISTENER:
-        case REMOVE_FPS_LISTENER:
-        case ADD_REGION_SAMPLING_LISTENER:
-        case REMOVE_REGION_SAMPLING_LISTENER: {
-            // codes that require permission check
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int uid = ipc->getCallingUid();
-            if ((uid != AID_GRAPHICS) &&
-                !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
-                ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-            return OK;
-        }
-        case ADD_TRANSACTION_TRACE_LISTENER: {
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int uid = ipc->getCallingUid();
-            if (uid == AID_ROOT || uid == AID_GRAPHICS || uid == AID_SYSTEM || uid == AID_SHELL) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case SET_OVERRIDE_FRAME_RATE: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_ROOT || uid == AID_SYSTEM) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case ON_PULL_ATOM: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_SYSTEM) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
-        case ADD_WINDOW_INFOS_LISTENER:
-        case REMOVE_WINDOW_INFOS_LISTENER: {
-            const int uid = IPCThreadState::self()->getCallingUid();
-            if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
-                return OK;
-            }
-            return PERMISSION_DENIED;
-        }
+        case BOOT_FINISHED:
+        // Used by apps to hook Choreographer to SurfaceFlinger.
+        case CREATE_DISPLAY_EVENT_CONNECTION:
+        case CREATE_CONNECTION:
         case CREATE_DISPLAY:
         case DESTROY_DISPLAY:
         case GET_PRIMARY_PHYSICAL_DISPLAY_ID:
         case GET_PHYSICAL_DISPLAY_IDS:
         case GET_PHYSICAL_DISPLAY_TOKEN:
+        case AUTHENTICATE_SURFACE:
         case SET_POWER_MODE:
+        case GET_SUPPORTED_FRAME_TIMESTAMPS:
         case GET_DISPLAY_STATE:
         case GET_DISPLAY_STATS:
+        case GET_STATIC_DISPLAY_INFO:
+        case GET_DYNAMIC_DISPLAY_INFO:
+        case GET_DISPLAY_NATIVE_PRIMARIES:
+        case SET_ACTIVE_COLOR_MODE:
+        case SET_BOOT_DISPLAY_MODE:
         case CLEAR_BOOT_DISPLAY_MODE:
         case GET_BOOT_DISPLAY_MODE_SUPPORT:
         case SET_AUTO_LOW_LATENCY_MODE:
@@ -5685,12 +5438,43 @@
         case CAPTURE_LAYERS:
         case CAPTURE_DISPLAY:
         case CAPTURE_DISPLAY_BY_ID:
+        case CLEAR_ANIMATION_FRAME_STATS:
+        case GET_ANIMATION_FRAME_STATS:
+        case OVERRIDE_HDR_TYPES:
+        case ON_PULL_ATOM:
+        case ENABLE_VSYNC_INJECTIONS:
+        case INJECT_VSYNC:
+        case GET_LAYER_DEBUG_INFO:
+        case GET_COLOR_MANAGEMENT:
+        case GET_COMPOSITION_PREFERENCE:
+        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
+        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED:
+        case GET_DISPLAYED_CONTENT_SAMPLE:
+        case GET_PROTECTED_CONTENT_SUPPORT:
         case IS_WIDE_COLOR_DISPLAY:
+        case ADD_REGION_SAMPLING_LISTENER:
+        case REMOVE_REGION_SAMPLING_LISTENER:
+        case ADD_FPS_LISTENER:
+        case REMOVE_FPS_LISTENER:
+        case ADD_TUNNEL_MODE_ENABLED_LISTENER:
+        case REMOVE_TUNNEL_MODE_ENABLED_LISTENER:
+        case ADD_WINDOW_INFOS_LISTENER:
+        case REMOVE_WINDOW_INFOS_LISTENER:
+        case SET_DESIRED_DISPLAY_MODE_SPECS:
+        case GET_DESIRED_DISPLAY_MODE_SPECS:
         case GET_DISPLAY_BRIGHTNESS_SUPPORT:
         case SET_DISPLAY_BRIGHTNESS:
         case ADD_HDR_LAYER_INFO_LISTENER:
         case REMOVE_HDR_LAYER_INFO_LISTENER:
         case NOTIFY_POWER_BOOST:
+        case SET_GLOBAL_SHADOW_SETTINGS:
+        case GET_DISPLAY_DECORATION_SUPPORT:
+        case SET_FRAME_RATE:
+        case SET_OVERRIDE_FRAME_RATE:
+        case SET_FRAME_TIMELINE_INFO:
+        case ADD_TRANSACTION_TRACE_LISTENER:
+        case GET_GPU_CONTEXT_PRIORITY:
+        case GET_MAX_ACQUIRED_BUFFER_COUNT:
             LOG_FATAL("Deprecated opcode: %d, migrated to AIDL", code);
             return PERMISSION_DENIED;
     }
@@ -5772,15 +5556,8 @@
                 reply->writeInt32(0);
                 reply->writeInt32(mDebugDisableHWC);
                 return NO_ERROR;
-            case 1013: {
-                const auto display = getDefaultDisplayDevice();
-                if (!display) {
-                    return NAME_NOT_FOUND;
-                }
-
-                reply->writeInt32(display->getPageFlipCount());
-                return NO_ERROR;
-            }
+            case 1013: // Unused.
+                return NAME_NOT_FOUND;
             case 1014: {
                 Mutex::Autolock _l(mStateLock);
                 // daltonize
@@ -5876,12 +5653,11 @@
                 updateColorMatrixLocked();
                 return NO_ERROR;
             }
-            case 1023: { // Set native mode
-                int32_t colorMode;
-
+            case 1023: { // Set color mode.
                 mDisplayColorSetting = static_cast<DisplayColorSetting>(data.readInt32());
-                if (data.readInt32(&colorMode) == NO_ERROR) {
-                    mForceColorMode = static_cast<ColorMode>(colorMode);
+
+                if (int32_t colorMode; data.readInt32(&colorMode) == NO_ERROR) {
+                    mForceColorMode = static_cast<ui::ColorMode>(colorMode);
                 }
                 scheduleRepaint();
                 return NO_ERROR;
@@ -5902,7 +5678,8 @@
                                 (fixedStartingTime) ? fixedStartingTime : systemTime();
                         mScheduler
                                 ->schedule([&]() FTL_FAKE_GUARD(mStateLock) {
-                                    mLayerTracing.notify("start", startingTime);
+                                    mLayerTracing.notify(true /* visibleRegionDirty */,
+                                                         startingTime, mLastCommittedVsyncId.value);
                                 })
                                 .wait();
                     }
@@ -6010,19 +5787,17 @@
                 return NO_ERROR;
             }
             case 1034: {
-                auto future = mScheduler->schedule([&] {
-                    switch (n = data.readInt32()) {
-                        case 0:
-                        case 1:
-                            FTL_FAKE_GUARD(mStateLock,
-                                           enableRefreshRateOverlay(static_cast<bool>(n)));
-                            break;
-                        default: {
-                            reply->writeBool(
-                                    FTL_FAKE_GUARD(mStateLock, isRefreshRateOverlayEnabled()));
-                        }
-                    }
-                });
+                auto future = mScheduler->schedule(
+                        [&]() FTL_FAKE_GUARD(mStateLock) FTL_FAKE_GUARD(kMainThreadContext) {
+                            switch (n = data.readInt32()) {
+                                case 0:
+                                case 1:
+                                    enableRefreshRateOverlay(static_cast<bool>(n));
+                                    break;
+                                default:
+                                    reply->writeBool(isRefreshRateOverlayEnabled());
+                            }
+                        });
 
                 future.wait();
                 return NO_ERROR;
@@ -6045,7 +5820,7 @@
                 }();
 
                 mDebugDisplayModeSetByBackdoor = false;
-                const status_t result = setActiveModeFromBackdoor(display, modeId);
+                const status_t result = setActiveModeFromBackdoor(display, DisplayModeId{modeId});
                 mDebugDisplayModeSetByBackdoor = result == NO_ERROR;
                 return result;
             }
@@ -6055,7 +5830,7 @@
             case 1036: {
                 if (data.readInt32() > 0) { // turn on
                     return mScheduler
-                            ->schedule([this] {
+                            ->schedule([this]() FTL_FAKE_GUARD(kMainThreadContext) {
                                 const auto display =
                                         FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
 
@@ -6065,24 +5840,21 @@
                                 // defaultMode. The defaultMode doesn't matter for the override
                                 // policy though, since we set allowGroupSwitching to true, so it's
                                 // not a problem.
-                                scheduler::RefreshRateConfigs::Policy overridePolicy;
+                                scheduler::RefreshRateConfigs::OverridePolicy overridePolicy;
                                 overridePolicy.defaultMode = display->refreshRateConfigs()
                                                                      .getDisplayManagerPolicy()
                                                                      .defaultMode;
                                 overridePolicy.allowGroupSwitching = true;
-                                constexpr bool kOverridePolicy = true;
-                                return setDesiredDisplayModeSpecsInternal(display, overridePolicy,
-                                                                          kOverridePolicy);
+                                return setDesiredDisplayModeSpecsInternal(display, overridePolicy);
                             })
                             .get();
                 } else { // turn off
                     return mScheduler
-                            ->schedule([this] {
+                            ->schedule([this]() FTL_FAKE_GUARD(kMainThreadContext) {
                                 const auto display =
                                         FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked());
-                                constexpr bool kOverridePolicy = true;
-                                return setDesiredDisplayModeSpecsInternal(display, {},
-                                                                          kOverridePolicy);
+                                return setDesiredDisplayModeSpecsInternal(
+                                        display, scheduler::RefreshRateConfigs::NoOverridePolicy{});
                             })
                             .get();
                 }
@@ -6311,18 +6083,6 @@
     const int mApi;
 };
 
-static Dataspace pickDataspaceFromColorMode(const ColorMode colorMode) {
-    switch (colorMode) {
-        case ColorMode::DISPLAY_P3:
-        case ColorMode::BT2100_PQ:
-        case ColorMode::BT2100_HLG:
-        case ColorMode::DISPLAY_BT2020:
-            return Dataspace::DISPLAY_P3;
-        default:
-            return Dataspace::V0_SRGB;
-    }
-}
-
 static bool hasCaptureBlackoutContentPermission() {
     IPCThreadState* ipc = IPCThreadState::self();
     const int pid = ipc->getCallingPid();
@@ -6434,15 +6194,11 @@
             reqSize = display->getLayerStackSpaceRect().getSize();
         }
 
-        // The dataspace is depended on the color mode of display, that could use non-native mode
-        // (ex. displayP3) to enhance the content, but some cases are checking native RGB in bytes,
-        // and failed if display is not in native mode. This provide a way to force using native
-        // colors when capture.
-        dataspace = args.dataspace;
-        if (dataspace == ui::Dataspace::UNKNOWN) {
-            const ui::ColorMode colorMode = display->getCompositionDisplay()->getState().colorMode;
-            dataspace = pickDataspaceFromColorMode(colorMode);
-        }
+        // Allow the caller to specify a dataspace regardless of the display's color mode, e.g. if
+        // it wants sRGB regardless of the display's wide color mode.
+        dataspace = args.dataspace == ui::Dataspace::UNKNOWN
+                ? ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode)
+                : args.dataspace;
     }
 
     RenderAreaFuture renderAreaFuture = ftl::defer([=] {
@@ -6477,9 +6233,7 @@
         displayWeak = display;
         layerStack = display->getLayerStack();
         size = display->getLayerStackSpaceRect().getSize();
-
-        dataspace =
-                pickDataspaceFromColorMode(display->getCompositionDisplay()->getState().colorMode);
+        dataspace = ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode);
     }
 
     RenderAreaFuture renderAreaFuture = ftl::defer([=] {
@@ -6598,7 +6352,7 @@
                 return;
             }
 
-            sp<Layer> p = layer;
+            auto p = sp<Layer>::fromExisting(layer);
             while (p != nullptr) {
                 if (excludeLayers.count(p) != 0) {
                     return;
@@ -6692,7 +6446,7 @@
         std::unique_ptr<RenderArea> renderArea = renderAreaFuture.get();
         if (!renderArea) {
             ALOGW("Skipping screen capture because of invalid render area.");
-            captureResults.result = NO_MEMORY;
+            captureResults.fenceResult = base::unexpected(NO_MEMORY);
             captureListener->onScreenCaptureCompleted(captureResults);
             return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
         }
@@ -6705,24 +6459,19 @@
         });
 
         if (captureListener) {
-            // TODO: The future returned by std::async blocks the main thread. Return a chain of
-            // futures to the Binder thread instead.
-            std::async([=]() mutable {
-                ATRACE_NAME("captureListener is nonnull!");
-                auto fenceResult = renderFuture.get();
-                // TODO(b/232535621): Change ScreenCaptureResults to store a FenceResult.
-                captureResults.result = fenceStatus(fenceResult);
-                captureResults.fence = std::move(fenceResult).value_or(Fence::NO_FENCE);
-                captureListener->onScreenCaptureCompleted(captureResults);
-            });
+            // Defer blocking on renderFuture back to the Binder thread.
+            return ftl::Future(std::move(renderFuture))
+                    .then([captureListener, captureResults = std::move(captureResults)](
+                                  FenceResult fenceResult) mutable -> FenceResult {
+                        captureResults.fenceResult = std::move(fenceResult);
+                        captureListener->onScreenCaptureCompleted(captureResults);
+                        return base::unexpected(NO_ERROR);
+                    })
+                    .share();
         }
         return renderFuture;
     });
 
-    if (captureListener) {
-        return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
-    }
-
     // Flatten nested futures.
     auto chain = ftl::Future(std::move(future)).then([](ftl::SharedFuture<FenceResult> future) {
         return future;
@@ -6760,7 +6509,7 @@
     auto sdrWhitePointNits = DisplayDevice::sDefaultMaxLumiance;
     auto displayBrightnessNits = DisplayDevice::sDefaultMaxLumiance;
 
-    if ((dataspace == ui::Dataspace::UNKNOWN) && (parent != nullptr)) {
+    if (dataspace == ui::Dataspace::UNKNOWN && parent) {
         Mutex::Autolock lock(mStateLock);
         auto display = findDisplay([layerStack = parent->getLayerStack()](const auto& display) {
             return display.getLayerStack() == layerStack;
@@ -6770,8 +6519,7 @@
             display = getDefaultDisplayDeviceLocked();
         }
 
-        const ui::ColorMode colorMode = display->getCompositionDisplay()->getState().colorMode;
-        dataspace = pickDataspaceFromColorMode(colorMode);
+        dataspace = ui::pickDataspaceFor(display->getCompositionDisplay()->getState().colorMode);
         renderIntent = display->getCompositionDisplay()->getState().renderIntent;
         sdrWhitePointNits = display->getCompositionDisplay()->getState().sdrWhitePointNits;
         displayBrightnessNits = display->getCompositionDisplay()->getState().displayBrightnessNits;
@@ -6817,6 +6565,11 @@
     std::vector<Layer*> renderedLayers;
     bool disableBlurs = false;
     traverseLayers([&](Layer* layer) {
+        // Layer::prepareClientComposition uses the layer's snapshot to populate the resulting
+        // LayerSettings. Calling Layer::updateSnapshot ensures that LayerSettings are
+        // generated with the layer's current buffer and geometry.
+        layer->updateSnapshot(true /* updateGeometry */);
+
         disableBlurs |= layer->getDrawingState().sidebandStream != nullptr;
 
         Region clip(renderArea.getBounds());
@@ -6837,27 +6590,25 @@
                 isHdrLayer(layer) ? displayBrightnessNits : sdrWhitePointNits,
 
         };
-        std::vector<compositionengine::LayerFE::LayerSettings> results =
-                layer->prepareClientCompositionList(targetSettings);
-        if (results.size() > 0) {
-            for (auto& settings : results) {
-                settings.geometry.positionTransform =
-                        transform.asMatrix4() * settings.geometry.positionTransform;
-                // There's no need to process blurs when we're executing region sampling,
-                // we're just trying to understand what we're drawing, and doing so without
-                // blurs is already a pretty good approximation.
-                if (regionSampling) {
-                    settings.backgroundBlurRadius = 0;
-                }
-                captureResults.capturedHdrLayers |= isHdrLayer(layer);
-            }
-
-            clientCompositionLayers.insert(clientCompositionLayers.end(),
-                                           std::make_move_iterator(results.begin()),
-                                           std::make_move_iterator(results.end()));
-            renderedLayers.push_back(layer);
+        std::optional<compositionengine::LayerFE::LayerSettings> settings =
+                layer->prepareClientComposition(targetSettings);
+        if (!settings) {
+            return;
         }
 
+        settings->geometry.positionTransform =
+                transform.asMatrix4() * settings->geometry.positionTransform;
+        // There's no need to process blurs when we're executing region sampling,
+        // we're just trying to understand what we're drawing, and doing so without
+        // blurs is already a pretty good approximation.
+        if (regionSampling) {
+            settings->backgroundBlurRadius = 0;
+            settings->blurRegions.clear();
+        }
+        captureResults.capturedHdrLayers |= isHdrLayer(layer);
+
+        clientCompositionLayers.push_back(std::move(*settings));
+        renderedLayers.push_back(layer);
     });
 
     std::vector<renderengine::LayerSettings> clientRenderEngineLayers;
@@ -6873,13 +6624,11 @@
     getRenderEngine().useProtectedContext(useProtected);
 
     constexpr bool kUseFramebufferCache = false;
-    auto chain =
-            ftl::Future(getRenderEngine().drawLayers(clientCompositionDisplay,
-                                                     clientRenderEngineLayers, buffer,
-                                                     kUseFramebufferCache, std::move(bufferFence)))
-                    .then(&toFenceResult);
+    const auto future = getRenderEngine()
+                                .drawLayers(clientCompositionDisplay, clientRenderEngineLayers,
+                                            buffer, kUseFramebufferCache, std::move(bufferFence))
+                                .share();
 
-    const auto future = chain.share();
     for (auto* layer : renderedLayers) {
         layer->onLayerDisplayed(future);
     }
@@ -6890,11 +6639,6 @@
     return future;
 }
 
-void SurfaceFlinger::windowInfosReported() {
-    Mutex::Autolock _l(mStateLock);
-    signalSynchronousTransactions(CountDownLatch::eSyncInputWindows);
-}
-
 // ---------------------------------------------------------------------------
 
 void SurfaceFlinger::State::traverse(const LayerVector::Visitor& visitor) const {
@@ -6933,9 +6677,25 @@
     }
 }
 
+std::optional<DisplayModePtr> SurfaceFlinger::getPreferredDisplayMode(
+        PhysicalDisplayId displayId, DisplayModeId defaultModeId) const {
+    if (const auto schedulerMode = mScheduler->getPreferredDisplayMode();
+        schedulerMode && schedulerMode->getPhysicalDisplayId() == displayId) {
+        return schedulerMode;
+    }
+
+    return mPhysicalDisplays.get(displayId)
+            .transform(&PhysicalDisplay::snapshotRef)
+            .and_then([&](const display::DisplaySnapshot& snapshot) {
+                return snapshot.displayModes().get(defaultModeId);
+            });
+}
+
 status_t SurfaceFlinger::setDesiredDisplayModeSpecsInternal(
         const sp<DisplayDevice>& display,
-        const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy) {
+        const scheduler::RefreshRateConfigs::PolicyVariant& policy) {
+    const auto displayId = display->getPhysicalId();
+
     Mutex::Autolock lock(mStateLock);
 
     if (mDebugDisplayModeSetByBackdoor) {
@@ -6943,50 +6703,48 @@
         return NO_ERROR;
     }
 
-    const status_t setPolicyResult = display->setRefreshRatePolicy(policy, overridePolicy);
-    if (setPolicyResult < 0) {
-        return BAD_VALUE;
-    }
-    if (setPolicyResult == scheduler::RefreshRateConfigs::CURRENT_POLICY_UNCHANGED) {
-        return NO_ERROR;
+    auto& configs = display->refreshRateConfigs();
+    using SetPolicyResult = scheduler::RefreshRateConfigs::SetPolicyResult;
+
+    switch (configs.setPolicy(policy)) {
+        case SetPolicyResult::Invalid:
+            return BAD_VALUE;
+        case SetPolicyResult::Unchanged:
+            return NO_ERROR;
+        case SetPolicyResult::Changed:
+            break;
     }
 
-    scheduler::RefreshRateConfigs::Policy currentPolicy =
-            display->refreshRateConfigs().getCurrentPolicy();
-
+    const scheduler::RefreshRateConfigs::Policy currentPolicy = configs.getCurrentPolicy();
     ALOGV("Setting desired display mode specs: %s", currentPolicy.toString().c_str());
 
     // TODO(b/140204874): Leave the event in until we do proper testing with all apps that might
     // be depending in this callback.
-    const auto activeMode = display->getActiveMode();
-    if (isDisplayActiveLocked(display)) {
-        mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, activeMode);
+    if (const auto activeModePtr = configs.getActiveModePtr(); displayId == mActiveDisplayId) {
+        mScheduler->onPrimaryDisplayModeChanged(mAppConnectionHandle, activeModePtr);
         toggleKernelIdleTimer();
     } else {
-        mScheduler->onNonPrimaryDisplayModeChanged(mAppConnectionHandle, activeMode);
+        mScheduler->onNonPrimaryDisplayModeChanged(mAppConnectionHandle, activeModePtr);
     }
 
-    const DisplayModePtr preferredDisplayMode = [&] {
-        const auto schedulerMode = mScheduler->getPreferredDisplayMode();
-        if (schedulerMode && schedulerMode->getPhysicalDisplayId() == display->getPhysicalId()) {
-            return schedulerMode;
-        }
-
-        return display->getMode(currentPolicy.defaultMode);
-    }();
-
-    ALOGV("trying to switch to Scheduler preferred mode %d (%s)",
-          preferredDisplayMode->getId().value(), to_string(preferredDisplayMode->getFps()).c_str());
-
-    if (display->refreshRateConfigs().isModeAllowed(preferredDisplayMode->getId())) {
-        ALOGV("switching to Scheduler preferred display mode %d",
-              preferredDisplayMode->getId().value());
-        setDesiredActiveMode({preferredDisplayMode, DisplayModeEvent::Changed});
-    } else {
-        LOG_ALWAYS_FATAL("Desired display mode not allowed: %d",
-                         preferredDisplayMode->getId().value());
+    auto preferredModeOpt = getPreferredDisplayMode(displayId, currentPolicy.defaultMode);
+    if (!preferredModeOpt) {
+        ALOGE("%s: Preferred mode is unknown", __func__);
+        return NAME_NOT_FOUND;
     }
 
+    auto preferredMode = std::move(*preferredModeOpt);
+    const auto preferredModeId = preferredMode->getId();
+
+    ALOGV("Switching to Scheduler preferred mode %d (%s)", preferredModeId.value(),
+          to_string(preferredMode->getFps()).c_str());
+
+    if (!configs.isModeAllowed(preferredModeId)) {
+        ALOGE("%s: Preferred mode %d is disallowed", __func__, preferredModeId.value());
+        return INVALID_OPERATION;
+    }
+
+    setDesiredActiveMode({std::move(preferredMode), DisplayModeEvent::Changed});
     return NO_ERROR;
 }
 
@@ -7000,7 +6758,7 @@
         return BAD_VALUE;
     }
 
-    auto future = mScheduler->schedule([=]() -> status_t {
+    auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(kMainThreadContext) -> status_t {
         const auto display = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(displayToken));
         if (!display) {
             ALOGE("Attempt to set desired display modes for invalid display token %p",
@@ -7010,16 +6768,15 @@
             ALOGW("Attempt to set desired display modes for virtual display");
             return INVALID_OPERATION;
         } else {
-            using Policy = scheduler::RefreshRateConfigs::Policy;
+            using Policy = scheduler::RefreshRateConfigs::DisplayManagerPolicy;
             const Policy policy{DisplayModeId(defaultMode),
                                 allowGroupSwitching,
                                 {Fps::fromValue(primaryRefreshRateMin),
                                  Fps::fromValue(primaryRefreshRateMax)},
                                 {Fps::fromValue(appRequestRefreshRateMin),
                                  Fps::fromValue(appRequestRefreshRateMax)}};
-            constexpr bool kOverridePolicy = false;
 
-            return setDesiredDisplayModeSpecsInternal(display, policy, kOverridePolicy);
+            return setDesiredDisplayModeSpecsInternal(display, policy);
         }
     });
 
@@ -7127,45 +6884,12 @@
     // on the work to remove the table in that bug rather than adding more to
     // it.
     static const std::unordered_map<std::string, uint32_t> genericLayerMetadataKeyMap{
-            {"org.chromium.arc.V1_0.TaskId", METADATA_TASK_ID},
-            {"org.chromium.arc.V1_0.CursorInfo", METADATA_MOUSE_CURSOR},
+            {"org.chromium.arc.V1_0.TaskId", gui::METADATA_TASK_ID},
+            {"org.chromium.arc.V1_0.CursorInfo", gui::METADATA_MOUSE_CURSOR},
     };
     return genericLayerMetadataKeyMap;
 }
 
-status_t SurfaceFlinger::setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                                      int8_t compatibility, int8_t changeFrameRateStrategy) {
-    if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
-                           "SurfaceFlinger::setFrameRate")) {
-        return BAD_VALUE;
-    }
-
-    static_cast<void>(mScheduler->schedule([=] {
-        Mutex::Autolock lock(mStateLock);
-        if (authenticateSurfaceTextureLocked(surface)) {
-            sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
-            if (layer == nullptr) {
-                ALOGE("Attempt to set frame rate on a layer that no longer exists");
-                return BAD_VALUE;
-            }
-            const auto strategy =
-                    Layer::FrameRate::convertChangeFrameRateStrategy(changeFrameRateStrategy);
-            if (layer->setFrameRate(
-                        Layer::FrameRate(Fps::fromValue(frameRate),
-                                         Layer::FrameRate::convertCompatibility(compatibility),
-                                         strategy))) {
-                setTransactionFlags(eTraversalNeeded);
-            }
-        } else {
-            ALOGE("Attempt to set frame rate on an unrecognized IGraphicBufferProducer");
-            return BAD_VALUE;
-        }
-        return NO_ERROR;
-    }));
-
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::setOverrideFrameRate(uid_t uid, float frameRate) {
     PhysicalDisplayId displayId = [&]() {
         Mutex::Autolock lock(mStateLock);
@@ -7177,28 +6901,12 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                              const FrameTimelineInfo& frameTimelineInfo) {
-    Mutex::Autolock lock(mStateLock);
-    if (!authenticateSurfaceTextureLocked(surface)) {
-        ALOGE("Attempt to set frame timeline info on an unrecognized IGraphicBufferProducer");
-        return BAD_VALUE;
-    }
-
-    sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
-    if (layer == nullptr) {
-        ALOGE("Attempt to set frame timeline info on a layer that no longer exists");
-        return BAD_VALUE;
-    }
-
-    layer->setFrameTimelineInfoForBuffer(frameTimelineInfo);
-    return NO_ERROR;
-}
-
 void SurfaceFlinger::enableRefreshRateOverlay(bool enable) {
-    for (const auto& [ignored, display] : mDisplays) {
-        if (display->isInternal()) {
-            display->enableRefreshRateOverlay(enable, mRefreshRateOverlaySpinner);
+    for (const auto& [id, display] : mPhysicalDisplays) {
+        if (display.snapshot().connectionType() == ui::DisplayConnectionType::Internal) {
+            if (const auto device = getDisplayDeviceLocked(id)) {
+                device->enableRefreshRateOverlay(enable, mRefreshRateOverlaySpinner);
+            }
         }
     }
 }
@@ -7214,7 +6922,7 @@
     return NO_ERROR;
 }
 
-int SurfaceFlinger::getGPUContextPriority() {
+int SurfaceFlinger::getGpuContextPriority() {
     return getRenderEngine().getContextPriority();
 }
 
@@ -7247,7 +6955,7 @@
         refreshRate = *frameRateOverride;
     } else if (!getHwComposer().isHeadless()) {
         if (const auto display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked())) {
-            refreshRate = display->refreshRateConfigs().getActiveMode()->getFps();
+            refreshRate = display->refreshRateConfigs().getActiveModePtr()->getFps();
         }
     }
 
@@ -7260,7 +6968,7 @@
     return calculateMaxAcquiredBufferCount(refreshRate, presentLatency);
 }
 
-void SurfaceFlinger::handleLayerCreatedLocked(const LayerCreatedState& state) {
+void SurfaceFlinger::handleLayerCreatedLocked(const LayerCreatedState& state, VsyncId vsyncId) {
     sp<Layer> layer = state.layer.promote();
     if (!layer) {
         ALOGD("Layer was destroyed soon after creation %p", state.layer.unsafe_get());
@@ -7290,7 +6998,9 @@
     }
 
     layer->updateTransformHint(mActiveDisplayTransformHint);
-
+    if (mTransactionTracing) {
+        mTransactionTracing->onLayerAddedToDrawingState(layer->getSequence(), vsyncId.value);
+    }
     mInterceptor->saveSurfaceCreation(layer);
 }
 
@@ -7302,7 +7012,7 @@
     mRegionSamplingThread->onCompositionComplete(mScheduler->getScheduledFrameTime());
 }
 
-void SurfaceFlinger::onActiveDisplaySizeChanged(const sp<DisplayDevice>& activeDisplay) {
+void SurfaceFlinger::onActiveDisplaySizeChanged(const sp<const DisplayDevice>& activeDisplay) {
     mScheduler->onActiveDisplayAreaChanged(activeDisplay->getWidth() * activeDisplay->getHeight());
     getRenderEngine().onActiveDisplaySizeChanged(activeDisplay->getSize());
 }
@@ -7310,7 +7020,7 @@
 void SurfaceFlinger::onActiveDisplayChangedLocked(const sp<DisplayDevice>& activeDisplay) {
     ATRACE_CALL();
 
-    if (const auto display = getDisplayDeviceLocked(mActiveDisplayToken)) {
+    if (const auto display = getDisplayDeviceLocked(mActiveDisplayId)) {
         display->getCompositionDisplay()->setLayerCachingTexturePoolEnabled(false);
     }
 
@@ -7318,7 +7028,7 @@
         ALOGE("%s: activeDisplay is null", __func__);
         return;
     }
-    mActiveDisplayToken = activeDisplay->getDisplayToken();
+    mActiveDisplayId = activeDisplay->getPhysicalId();
     activeDisplay->getCompositionDisplay()->setLayerCachingTexturePoolEnabled(true);
     updateInternalDisplayVsyncLocked(activeDisplay);
     mScheduler->setModeChangePending(false);
@@ -7374,7 +7084,46 @@
     return buffer;
 }
 
-bool SurfaceFlinger::commitCreatedLayers() {
+bool SurfaceFlinger::commitMirrorDisplays(VsyncId vsyncId) {
+    std::vector<MirrorDisplayState> mirrorDisplays;
+    {
+        std::scoped_lock<std::mutex> lock(mMirrorDisplayLock);
+        mirrorDisplays = std::move(mMirrorDisplays);
+        mMirrorDisplays.clear();
+        if (mirrorDisplays.size() == 0) {
+            return false;
+        }
+    }
+
+    sp<IBinder> unused;
+    for (const auto& mirrorDisplay : mirrorDisplays) {
+        // Set mirror layer's default layer stack to -1 so it doesn't end up rendered on a display
+        // accidentally.
+        sp<Layer> rootMirrorLayer = Layer::fromHandle(mirrorDisplay.rootHandle).promote();
+        rootMirrorLayer->setLayerStack(ui::LayerStack::fromValue(-1));
+        for (const auto& layer : mDrawingState.layersSortedByZ) {
+            if (layer->getLayerStack() != mirrorDisplay.layerStack ||
+                layer->isInternalDisplayOverlay()) {
+                continue;
+            }
+
+            LayerCreationArgs mirrorArgs(this, mirrorDisplay.client, "MirrorLayerParent",
+                                         ISurfaceComposerClient::eNoColorFill,
+                                         gui::LayerMetadata());
+            sp<Layer> childMirror;
+            createEffectLayer(mirrorArgs, &unused, &childMirror);
+            childMirror->setClonedChild(layer->createClone());
+            if (mTransactionTracing) {
+                mTransactionTracing->onLayerAddedToDrawingState(childMirror->getSequence(),
+                                                                vsyncId.value);
+            }
+            childMirror->reparent(mirrorDisplay.rootHandle);
+        }
+    }
+    return true;
+}
+
+bool SurfaceFlinger::commitCreatedLayers(VsyncId vsyncId) {
     std::vector<LayerCreatedState> createdLayers;
     {
         std::scoped_lock<std::mutex> lock(mCreatedLayersLock);
@@ -7387,33 +7136,92 @@
 
     Mutex::Autolock _l(mStateLock);
     for (const auto& createdLayer : createdLayers) {
-        handleLayerCreatedLocked(createdLayer);
+        handleLayerCreatedLocked(createdLayer, vsyncId);
     }
     createdLayers.clear();
     mLayersAdded = true;
     return true;
 }
 
+void SurfaceFlinger::updateLayerMetadataSnapshot() {
+    LayerMetadata parentMetadata;
+    for (const auto& layer : mDrawingState.layersSortedByZ) {
+        layer->updateMetadataSnapshot(parentMetadata);
+    }
+
+    std::unordered_set<Layer*> visited;
+    mDrawingState.traverse([&visited](Layer* layer) {
+        if (visited.find(layer) != visited.end()) {
+            return;
+        }
+
+        // If the layer isRelativeOf, then either it's relative metadata will be set
+        // recursively when updateRelativeMetadataSnapshot is called on its relative parent or
+        // it's relative parent has been deleted. Clear the layer's relativeLayerMetadata to ensure
+        // that layers with deleted relative parents don't hold stale relativeLayerMetadata.
+        if (layer->getDrawingState().isRelativeOf) {
+            layer->editLayerSnapshot()->relativeLayerMetadata = {};
+            return;
+        }
+
+        layer->updateRelativeMetadataSnapshot({}, visited);
+    });
+}
+
 // gui::ISurfaceComposer
 
+binder::Status SurfaceComposerAIDL::bootFinished() {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+    mFlinger->bootFinished();
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::createDisplayEventConnection(
+        VsyncSource vsyncSource, EventRegistration eventRegistration,
+        sp<IDisplayEventConnection>* outConnection) {
+    sp<IDisplayEventConnection> conn =
+            mFlinger->createDisplayEventConnection(vsyncSource, eventRegistration);
+    if (conn == nullptr) {
+        *outConnection = nullptr;
+        return binderStatusFromStatusT(BAD_VALUE);
+    } else {
+        *outConnection = conn;
+        return binder::Status::ok();
+    }
+}
+
+binder::Status SurfaceComposerAIDL::createConnection(sp<gui::ISurfaceComposerClient>* outClient) {
+    const sp<Client> client = sp<Client>::make(mFlinger);
+    if (client->initCheck() == NO_ERROR) {
+        *outClient = client;
+        return binder::Status::ok();
+    } else {
+        *outClient = nullptr;
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+}
+
 binder::Status SurfaceComposerAIDL::createDisplay(const std::string& displayName, bool secure,
                                                   sp<IBinder>* outDisplay) {
     status_t status = checkAccessPermission();
-    if (status == OK) {
-        String8 displayName8 = String8::format("%s", displayName.c_str());
-        *outDisplay = mFlinger->createDisplay(displayName8, secure);
-        return binder::Status::ok();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
     }
-    return binder::Status::fromStatusT(status);
+    String8 displayName8 = String8::format("%s", displayName.c_str());
+    *outDisplay = mFlinger->createDisplay(displayName8, secure);
+    return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::destroyDisplay(const sp<IBinder>& display) {
     status_t status = checkAccessPermission();
-    if (status == OK) {
-        mFlinger->destroyDisplay(display);
-        return binder::Status::ok();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
     }
-    return binder::Status::fromStatusT(status);
+    mFlinger->destroyDisplay(display);
+    return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::getPhysicalDisplayIds(std::vector<int64_t>* outDisplayIds) {
@@ -7427,20 +7235,6 @@
     return binder::Status::ok();
 }
 
-binder::Status SurfaceComposerAIDL::getPrimaryPhysicalDisplayId(int64_t* outDisplayId) {
-    status_t status = checkAccessPermission();
-    if (status != OK) {
-        return binder::Status::fromStatusT(status);
-    }
-
-    PhysicalDisplayId id;
-    status = mFlinger->getPrimaryPhysicalDisplayId(&id);
-    if (status == NO_ERROR) {
-        *outDisplayId = id.value;
-    }
-    return binder::Status::fromStatusT(status);
-}
-
 binder::Status SurfaceComposerAIDL::getPhysicalDisplayToken(int64_t displayId,
                                                             sp<IBinder>* outDisplay) {
     const auto id = DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
@@ -7450,12 +7244,25 @@
 
 binder::Status SurfaceComposerAIDL::setPowerMode(const sp<IBinder>& display, int mode) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setPowerMode(display, mode);
     return binder::Status::ok();
 }
 
+binder::Status SurfaceComposerAIDL::getSupportedFrameTimestamps(
+        std::vector<FrameEvent>* outSupported) {
+    status_t status;
+    if (!outSupported) {
+        status = UNEXPECTED_NULL;
+    } else {
+        outSupported->clear();
+        status = mFlinger->getSupportedFrameTimestamps(outSupported);
+    }
+    return binderStatusFromStatusT(status);
+}
+
 binder::Status SurfaceComposerAIDL::getDisplayStats(const sp<IBinder>& display,
                                                     gui::DisplayStatInfo* outStatInfo) {
     DisplayStatInfo statInfo;
@@ -7464,7 +7271,7 @@
         outStatInfo->vsyncTime = static_cast<long>(statInfo.vsyncTime);
         outStatInfo->vsyncPeriod = static_cast<long>(statInfo.vsyncPeriod);
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getDisplayState(const sp<IBinder>& display,
@@ -7477,37 +7284,174 @@
         outState->layerStackSpaceRect.width = state.layerStackSpaceRect.width;
         outState->layerStackSpaceRect.height = state.layerStackSpaceRect.height;
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getStaticDisplayInfo(const sp<IBinder>& display,
+                                                         gui::StaticDisplayInfo* outInfo) {
+    using Tag = gui::DeviceProductInfo::ManufactureOrModelDate::Tag;
+    ui::StaticDisplayInfo info;
+    status_t status = mFlinger->getStaticDisplayInfo(display, &info);
+    if (status == NO_ERROR) {
+        // convert ui::StaticDisplayInfo to gui::StaticDisplayInfo
+        outInfo->connectionType = static_cast<gui::DisplayConnectionType>(info.connectionType);
+        outInfo->density = info.density;
+        outInfo->secure = info.secure;
+        outInfo->installOrientation = static_cast<gui::Rotation>(info.installOrientation);
+
+        gui::DeviceProductInfo dinfo;
+        std::optional<DeviceProductInfo> dpi = info.deviceProductInfo;
+        dinfo.name = std::move(dpi->name);
+        dinfo.manufacturerPnpId =
+                std::vector<uint8_t>(dpi->manufacturerPnpId.begin(), dpi->manufacturerPnpId.end());
+        dinfo.productId = dpi->productId;
+        dinfo.relativeAddress =
+                std::vector<uint8_t>(dpi->relativeAddress.begin(), dpi->relativeAddress.end());
+        if (const auto* model =
+                    std::get_if<DeviceProductInfo::ModelYear>(&dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ModelYear modelYear;
+            modelYear.year = model->year;
+            dinfo.manufactureOrModelDate.set<Tag::modelYear>(modelYear);
+        } else if (const auto* manufacture = std::get_if<DeviceProductInfo::ManufactureYear>(
+                           &dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ManufactureYear date;
+            date.modelYear.year = manufacture->year;
+            dinfo.manufactureOrModelDate.set<Tag::manufactureYear>(date);
+        } else if (const auto* manufacture = std::get_if<DeviceProductInfo::ManufactureWeekAndYear>(
+                           &dpi->manufactureOrModelDate)) {
+            gui::DeviceProductInfo::ManufactureWeekAndYear date;
+            date.manufactureYear.modelYear.year = manufacture->year;
+            date.week = manufacture->week;
+            dinfo.manufactureOrModelDate.set<Tag::manufactureWeekAndYear>(date);
+        }
+
+        outInfo->deviceProductInfo = dinfo;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDynamicDisplayInfo(const sp<IBinder>& display,
+                                                          gui::DynamicDisplayInfo* outInfo) {
+    ui::DynamicDisplayInfo info;
+    status_t status = mFlinger->getDynamicDisplayInfo(display, &info);
+    if (status == NO_ERROR) {
+        // convert ui::DynamicDisplayInfo to gui::DynamicDisplayInfo
+        outInfo->supportedDisplayModes.clear();
+        outInfo->supportedDisplayModes.reserve(info.supportedDisplayModes.size());
+        for (const auto& mode : info.supportedDisplayModes) {
+            gui::DisplayMode outMode;
+            outMode.id = mode.id;
+            outMode.resolution.width = mode.resolution.width;
+            outMode.resolution.height = mode.resolution.height;
+            outMode.xDpi = mode.xDpi;
+            outMode.yDpi = mode.yDpi;
+            outMode.refreshRate = mode.refreshRate;
+            outMode.appVsyncOffset = mode.appVsyncOffset;
+            outMode.sfVsyncOffset = mode.sfVsyncOffset;
+            outMode.presentationDeadline = mode.presentationDeadline;
+            outMode.group = mode.group;
+            outInfo->supportedDisplayModes.push_back(outMode);
+        }
+
+        outInfo->activeDisplayModeId = info.activeDisplayModeId;
+
+        outInfo->supportedColorModes.clear();
+        outInfo->supportedColorModes.reserve(info.supportedColorModes.size());
+        for (const auto& cmode : info.supportedColorModes) {
+            outInfo->supportedColorModes.push_back(static_cast<int32_t>(cmode));
+        }
+
+        outInfo->activeColorMode = static_cast<int32_t>(info.activeColorMode);
+
+        gui::HdrCapabilities& hdrCapabilities = outInfo->hdrCapabilities;
+        hdrCapabilities.supportedHdrTypes.clear();
+        hdrCapabilities.supportedHdrTypes.reserve(
+                info.hdrCapabilities.getSupportedHdrTypes().size());
+        for (const auto& hdr : info.hdrCapabilities.getSupportedHdrTypes()) {
+            hdrCapabilities.supportedHdrTypes.push_back(static_cast<int32_t>(hdr));
+        }
+        hdrCapabilities.maxLuminance = info.hdrCapabilities.getDesiredMaxLuminance();
+        hdrCapabilities.maxAverageLuminance = info.hdrCapabilities.getDesiredMaxAverageLuminance();
+        hdrCapabilities.minLuminance = info.hdrCapabilities.getDesiredMinLuminance();
+
+        outInfo->autoLowLatencyModeSupported = info.autoLowLatencyModeSupported;
+        outInfo->gameContentTypeSupported = info.gameContentTypeSupported;
+        outInfo->preferredBootDisplayMode = info.preferredBootDisplayMode;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayNativePrimaries(const sp<IBinder>& display,
+                                                              gui::DisplayPrimaries* outPrimaries) {
+    ui::DisplayPrimaries primaries;
+    status_t status = mFlinger->getDisplayNativePrimaries(display, primaries);
+    if (status == NO_ERROR) {
+        outPrimaries->red.X = primaries.red.X;
+        outPrimaries->red.Y = primaries.red.Y;
+        outPrimaries->red.Z = primaries.red.Z;
+
+        outPrimaries->green.X = primaries.green.X;
+        outPrimaries->green.Y = primaries.green.Y;
+        outPrimaries->green.Z = primaries.green.Z;
+
+        outPrimaries->blue.X = primaries.blue.X;
+        outPrimaries->blue.Y = primaries.blue.Y;
+        outPrimaries->blue.Z = primaries.blue.Z;
+
+        outPrimaries->white.X = primaries.white.X;
+        outPrimaries->white.Y = primaries.white.Y;
+        outPrimaries->white.Z = primaries.white.Z;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setActiveColorMode(const sp<IBinder>& display, int colorMode) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setActiveColorMode(display, static_cast<ui::ColorMode>(colorMode));
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setBootDisplayMode(const sp<IBinder>& display,
+                                                       int displayModeId) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setBootDisplayMode(display, DisplayModeId{displayModeId});
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::clearBootDisplayMode(const sp<IBinder>& display) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->clearBootDisplayMode(display);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->clearBootDisplayMode(display);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getBootDisplayModeSupport(bool* outMode) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->getBootDisplayModeSupport(outMode);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->getBootDisplayModeSupport(outMode);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setAutoLowLatencyMode(display, on);
     return binder::Status::ok();
 }
 
 binder::Status SurfaceComposerAIDL::setGameContentType(const sp<IBinder>& display, bool on) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
     mFlinger->setGameContentType(display, on);
     return binder::Status::ok();
 }
@@ -7515,7 +7459,7 @@
 binder::Status SurfaceComposerAIDL::captureDisplay(
         const DisplayCaptureArgs& args, const sp<IScreenCaptureListener>& captureListener) {
     status_t status = mFlinger->captureDisplay(args, captureListener);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::captureDisplayById(
@@ -7529,60 +7473,431 @@
     } else {
         status = PERMISSION_DENIED;
     }
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::captureLayers(
         const LayerCaptureArgs& args, const sp<IScreenCaptureListener>& captureListener) {
     status_t status = mFlinger->captureLayers(args, captureListener);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::overrideHdrTypes(const sp<IBinder>& display,
+                                                     const std::vector<int32_t>& hdrTypes) {
+    // overrideHdrTypes is used by CTS tests, which acquire the necessary
+    // permission dynamically. Don't use the permission cache for this check.
+    status_t status = checkAccessPermission(false);
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    std::vector<ui::Hdr> hdrTypesVector;
+    for (int32_t i : hdrTypes) {
+        hdrTypesVector.push_back(static_cast<ui::Hdr>(i));
+    }
+    status = mFlinger->overrideHdrTypes(display, hdrTypesVector);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::onPullAtom(int32_t atomId, gui::PullAtomData* outPullData) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid != AID_SYSTEM) {
+        status = PERMISSION_DENIED;
+    } else {
+        status = mFlinger->onPullAtom(atomId, &outPullData->data, &outPullData->success);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::enableVSyncInjections(bool enable) {
+    if (!mFlinger->hasMockHwc()) {
+        return binderStatusFromStatusT(PERMISSION_DENIED);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->enableVSyncInjections(enable);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::injectVSync(int64_t when) {
+    if (!mFlinger->hasMockHwc()) {
+        return binderStatusFromStatusT(PERMISSION_DENIED);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->injectVSync(when);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) {
+    if (!outLayers) {
+        return binderStatusFromStatusT(UNEXPECTED_NULL);
+    }
+
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int pid = ipc->getCallingPid();
+    const int uid = ipc->getCallingUid();
+    if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
+        ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
+        return binderStatusFromStatusT(PERMISSION_DENIED);
+    }
+    status_t status = mFlinger->getLayerDebugInfo(outLayers);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getColorManagement(bool* outGetColorManagement) {
+    status_t status = mFlinger->getColorManagement(outGetColorManagement);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getCompositionPreference(gui::CompositionPreference* outPref) {
+    ui::Dataspace dataspace;
+    ui::PixelFormat pixelFormat;
+    ui::Dataspace wideColorGamutDataspace;
+    ui::PixelFormat wideColorGamutPixelFormat;
+    status_t status =
+            mFlinger->getCompositionPreference(&dataspace, &pixelFormat, &wideColorGamutDataspace,
+                                               &wideColorGamutPixelFormat);
+    if (status == NO_ERROR) {
+        outPref->defaultDataspace = static_cast<int32_t>(dataspace);
+        outPref->defaultPixelFormat = static_cast<int32_t>(pixelFormat);
+        outPref->wideColorGamutDataspace = static_cast<int32_t>(wideColorGamutDataspace);
+        outPref->wideColorGamutPixelFormat = static_cast<int32_t>(wideColorGamutPixelFormat);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayedContentSamplingAttributes(
+        const sp<IBinder>& display, gui::ContentSamplingAttributes* outAttrs) {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    ui::PixelFormat format;
+    ui::Dataspace dataspace;
+    uint8_t componentMask;
+    status = mFlinger->getDisplayedContentSamplingAttributes(display, &format, &dataspace,
+                                                             &componentMask);
+    if (status == NO_ERROR) {
+        outAttrs->format = static_cast<int32_t>(format);
+        outAttrs->dataspace = static_cast<int32_t>(dataspace);
+        outAttrs->componentMask = static_cast<int8_t>(componentMask);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
+                                                                     bool enable,
+                                                                     int8_t componentMask,
+                                                                     int64_t maxFrames) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setDisplayContentSamplingEnabled(display, enable,
+                                                            static_cast<uint8_t>(componentMask),
+                                                            static_cast<uint64_t>(maxFrames));
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayedContentSample(const sp<IBinder>& display,
+                                                              int64_t maxFrames, int64_t timestamp,
+                                                              gui::DisplayedFrameStats* outStats) {
+    if (!outStats) {
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    DisplayedFrameStats stats;
+    status = mFlinger->getDisplayedContentSample(display, static_cast<uint64_t>(maxFrames),
+                                                 static_cast<uint64_t>(timestamp), &stats);
+    if (status == NO_ERROR) {
+        // convert from ui::DisplayedFrameStats to gui::DisplayedFrameStats
+        outStats->numFrames = static_cast<int64_t>(stats.numFrames);
+        outStats->component_0_sample.reserve(stats.component_0_sample.size());
+        for (const auto& s : stats.component_0_sample) {
+            outStats->component_0_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_1_sample.reserve(stats.component_1_sample.size());
+        for (const auto& s : stats.component_1_sample) {
+            outStats->component_1_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_2_sample.reserve(stats.component_2_sample.size());
+        for (const auto& s : stats.component_2_sample) {
+            outStats->component_2_sample.push_back(static_cast<int64_t>(s));
+        }
+        outStats->component_3_sample.reserve(stats.component_3_sample.size());
+        for (const auto& s : stats.component_3_sample) {
+            outStats->component_3_sample.push_back(static_cast<int64_t>(s));
+        }
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getProtectedContentSupport(bool* outSupported) {
+    status_t status = mFlinger->getProtectedContentSupport(outSupported);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::isWideColorDisplay(const sp<IBinder>& token,
                                                        bool* outIsWideColorDisplay) {
     status_t status = mFlinger->isWideColorDisplay(token, outIsWideColorDisplay);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addRegionSamplingListener(
+        const gui::ARect& samplingArea, const sp<IBinder>& stopLayerHandle,
+        const sp<gui::IRegionSamplingListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+    android::Rect rect;
+    rect.left = samplingArea.left;
+    rect.top = samplingArea.top;
+    rect.right = samplingArea.right;
+    rect.bottom = samplingArea.bottom;
+    status = mFlinger->addRegionSamplingListener(rect, stopLayerHandle, listener);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeRegionSamplingListener(
+        const sp<gui::IRegionSamplingListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->removeRegionSamplingListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addFpsListener(int32_t taskId,
+                                                   const sp<gui::IFpsListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->addFpsListener(taskId, listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeFpsListener(const sp<gui::IFpsListener>& listener) {
+    status_t status = checkReadFrameBufferPermission();
+    if (status == OK) {
+        status = mFlinger->removeFpsListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addTunnelModeEnabledListener(
+        const sp<gui::ITunnelModeEnabledListener>& listener) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->addTunnelModeEnabledListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeTunnelModeEnabledListener(
+        const sp<gui::ITunnelModeEnabledListener>& listener) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->removeTunnelModeEnabledListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::setDesiredDisplayModeSpecs(
+        const sp<IBinder>& displayToken, int32_t defaultMode, bool allowGroupSwitching,
+        float primaryRefreshRateMin, float primaryRefreshRateMax, float appRequestRefreshRateMin,
+        float appRequestRefreshRateMax) {
+    status_t status = checkAccessPermission();
+    if (status == OK) {
+        status = mFlinger->setDesiredDisplayModeSpecs(displayToken,
+                                                      static_cast<ui::DisplayModeId>(defaultMode),
+                                                      allowGroupSwitching, primaryRefreshRateMin,
+                                                      primaryRefreshRateMax,
+                                                      appRequestRefreshRateMin,
+                                                      appRequestRefreshRateMax);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                                               gui::DisplayModeSpecs* outSpecs) {
+    if (!outSpecs) {
+        return binderStatusFromStatusT(BAD_VALUE);
+    }
+
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    ui::DisplayModeId displayModeId;
+    bool allowGroupSwitching;
+    float primaryRefreshRateMin;
+    float primaryRefreshRateMax;
+    float appRequestRefreshRateMin;
+    float appRequestRefreshRateMax;
+    status = mFlinger->getDesiredDisplayModeSpecs(displayToken, &displayModeId,
+                                                  &allowGroupSwitching, &primaryRefreshRateMin,
+                                                  &primaryRefreshRateMax, &appRequestRefreshRateMin,
+                                                  &appRequestRefreshRateMax);
+    if (status == NO_ERROR) {
+        outSpecs->defaultMode = displayModeId;
+        outSpecs->allowGroupSwitching = allowGroupSwitching;
+        outSpecs->primaryRefreshRateMin = primaryRefreshRateMin;
+        outSpecs->primaryRefreshRateMax = primaryRefreshRateMax;
+        outSpecs->appRequestRefreshRateMin = appRequestRefreshRateMin;
+        outSpecs->appRequestRefreshRateMax = appRequestRefreshRateMax;
+    }
+
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
                                                                 bool* outSupport) {
     status_t status = mFlinger->getDisplayBrightnessSupport(displayToken, outSupport);
-    return binder::Status::fromStatusT(status);
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::setDisplayBrightness(const sp<IBinder>& displayToken,
                                                          const gui::DisplayBrightness& brightness) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->setDisplayBrightness(displayToken, brightness);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->setDisplayBrightness(displayToken, brightness);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::addHdrLayerInfoListener(
         const sp<IBinder>& displayToken, const sp<gui::IHdrLayerInfoListener>& listener) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->addHdrLayerInfoListener(displayToken, listener);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->addHdrLayerInfoListener(displayToken, listener);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::removeHdrLayerInfoListener(
         const sp<IBinder>& displayToken, const sp<gui::IHdrLayerInfoListener>& listener) {
     status_t status = checkControlDisplayBrightnessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
-
-    status = mFlinger->removeHdrLayerInfoListener(displayToken, listener);
-    return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->removeHdrLayerInfoListener(displayToken, listener);
+    }
+    return binderStatusFromStatusT(status);
 }
 
 binder::Status SurfaceComposerAIDL::notifyPowerBoost(int boostId) {
     status_t status = checkAccessPermission();
-    if (status != OK) return binder::Status::fromStatusT(status);
+    if (status == OK) {
+        status = mFlinger->notifyPowerBoost(boostId);
+    }
+    return binderStatusFromStatusT(status);
+}
 
-    status = mFlinger->notifyPowerBoost(boostId);
-    return binder::Status::fromStatusT(status);
+binder::Status SurfaceComposerAIDL::setGlobalShadowSettings(const gui::Color& ambientColor,
+                                                            const gui::Color& spotColor,
+                                                            float lightPosY, float lightPosZ,
+                                                            float lightRadius) {
+    status_t status = checkAccessPermission();
+    if (status != OK) {
+        return binderStatusFromStatusT(status);
+    }
+
+    half4 ambientColorHalf = {ambientColor.r, ambientColor.g, ambientColor.b, ambientColor.a};
+    half4 spotColorHalf = {spotColor.r, spotColor.g, spotColor.b, spotColor.a};
+    status = mFlinger->setGlobalShadowSettings(ambientColorHalf, spotColorHalf, lightPosY,
+                                               lightPosZ, lightRadius);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getDisplayDecorationSupport(
+        const sp<IBinder>& displayToken, std::optional<gui::DisplayDecorationSupport>* outSupport) {
+    std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport> support;
+    status_t status = mFlinger->getDisplayDecorationSupport(displayToken, &support);
+    if (status != NO_ERROR) {
+        ALOGE("getDisplayDecorationSupport failed with error %d", status);
+        return binderStatusFromStatusT(status);
+    }
+
+    if (!support || !support.has_value()) {
+        outSupport->reset();
+    } else {
+        outSupport->emplace();
+        outSupport->value().format = static_cast<int32_t>(support->format);
+        outSupport->value().alphaInterpretation =
+                static_cast<int32_t>(support->alphaInterpretation);
+    }
+
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::setOverrideFrameRate(int32_t uid, float frameRate) {
+    status_t status;
+    const int c_uid = IPCThreadState::self()->getCallingUid();
+    if (c_uid == AID_ROOT || c_uid == AID_SYSTEM) {
+        status = mFlinger->setOverrideFrameRate(uid, frameRate);
+    } else {
+        ALOGE("setOverrideFrameRate() permission denied for uid: %d", c_uid);
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addTransactionTraceListener(
+        const sp<gui::ITransactionTraceListener>& listener) {
+    status_t status;
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int uid = ipc->getCallingUid();
+    if (uid == AID_ROOT || uid == AID_GRAPHICS || uid == AID_SYSTEM || uid == AID_SHELL) {
+        status = mFlinger->addTransactionTraceListener(listener);
+    } else {
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::getGpuContextPriority(int32_t* outPriority) {
+    *outPriority = mFlinger->getGpuContextPriority();
+    return binder::Status::ok();
+}
+
+binder::Status SurfaceComposerAIDL::getMaxAcquiredBufferCount(int32_t* buffers) {
+    status_t status = mFlinger->getMaxAcquiredBufferCount(buffers);
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::addWindowInfosListener(
+        const sp<gui::IWindowInfosListener>& windowInfosListener) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
+        status = mFlinger->addWindowInfosListener(windowInfosListener);
+    } else {
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeWindowInfosListener(
+        const sp<gui::IWindowInfosListener>& windowInfosListener) {
+    status_t status;
+    const int uid = IPCThreadState::self()->getCallingUid();
+    if (uid == AID_SYSTEM || uid == AID_GRAPHICS) {
+        status = mFlinger->removeWindowInfosListener(windowInfosListener);
+    } else {
+        status = PERMISSION_DENIED;
+    }
+    return binderStatusFromStatusT(status);
 }
 
 status_t SurfaceComposerAIDL::checkAccessPermission(bool usePermissionCache) {
@@ -7607,6 +7922,17 @@
     return OK;
 }
 
+status_t SurfaceComposerAIDL::checkReadFrameBufferPermission() {
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int pid = ipc->getCallingPid();
+    const int uid = ipc->getCallingUid();
+    if ((uid != AID_GRAPHICS) && !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
+        ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
+        return PERMISSION_DENIED;
+    }
+    return OK;
+}
+
 } // namespace android
 
 #if defined(__gl_h_)
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 2cd304e..cf226a5 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -25,15 +25,16 @@
 #include <android/gui/BnSurfaceComposer.h>
 #include <android/gui/DisplayStatInfo.h>
 #include <android/gui/DisplayState.h>
+#include <android/gui/ISurfaceComposerClient.h>
 #include <cutils/atomic.h>
 #include <cutils/compiler.h>
 #include <ftl/future.h>
-#include <ftl/small_map.h>
 #include <gui/BufferQueue.h>
+#include <gui/CompositorTiming.h>
 #include <gui/FrameTimestamps.h>
 #include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
 #include <gui/ITransactionCompletedListener.h>
+#include <gui/LayerDebugInfo.h>
 #include <gui/LayerState.h>
 #include <layerproto/LayerProtoHeader.h>
 #include <math/mat4.h>
@@ -50,11 +51,15 @@
 #include <utils/Trace.h>
 #include <utils/threads.h>
 
-#include <compositionengine/FenceResult.h>
 #include <compositionengine/OutputColorSetting.h>
 #include <scheduler/Fps.h>
+#include <scheduler/PresentLatencyTracker.h>
+#include <scheduler/Time.h>
+#include <ui/FenceResult.h>
 
 #include "ClientCache.h"
+#include "Display/DisplayMap.h"
+#include "Display/PhysicalDisplay.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWC2.h"
 #include "DisplayHardware/PowerAdvisor.h"
@@ -63,6 +68,7 @@
 #include "FlagManager.h"
 #include "FrameTracker.h"
 #include "LayerVector.h"
+#include "LocklessQueue.h"
 #include "Scheduler/RefreshRateConfigs.h"
 #include "Scheduler/RefreshRateStats.h"
 #include "Scheduler/Scheduler.h"
@@ -92,12 +98,12 @@
 #include <utility>
 
 #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
+#include "Client.h"
 
 using namespace android::surfaceflinger;
 
 namespace android {
 
-class Client;
 class EventThread;
 class FlagManager;
 class FpsReporter;
@@ -166,24 +172,6 @@
 
 using DisplayColorSetting = compositionengine::OutputColorSetting;
 
-struct SurfaceFlingerBE {
-    // protected by mCompositorTimingLock;
-    mutable std::mutex mCompositorTimingLock;
-    CompositorTiming mCompositorTiming;
-
-    // Only accessed from the main thread.
-    struct CompositePresentTime {
-        nsecs_t composite = -1;
-        std::shared_ptr<FenceTime> display = FenceTime::NO_FENCE;
-    };
-    std::queue<CompositePresentTime> mCompositePresentTimes;
-
-    static const size_t NUM_BUCKETS = 8; // < 1-7, 7+
-    nsecs_t mFrameBuckets[NUM_BUCKETS] = {};
-    nsecs_t mTotalTime = 0;
-    std::atomic<nsecs_t> mLastSwapTime = 0;
-};
-
 class SurfaceFlinger : public BnSurfaceComposer,
                        public PriorityDumper,
                        private IBinder::DeathRecipient,
@@ -204,29 +192,6 @@
 
     static char const* getServiceName() ANDROID_API { return "SurfaceFlinger"; }
 
-    // This is the phase offset in nanoseconds of the software vsync event
-    // relative to the vsync event reported by HWComposer.  The software vsync
-    // event is when SurfaceFlinger and Choreographer-based applications run each
-    // frame.
-    //
-    // This phase offset allows adjustment of the minimum latency from application
-    // wake-up time (by Choreographer) to the time at which the resulting window
-    // image is displayed.  This value may be either positive (after the HW vsync)
-    // or negative (before the HW vsync). Setting it to 0 will result in a lower
-    // latency bound of two vsync periods because the app and SurfaceFlinger
-    // will run just after the HW vsync.  Setting it to a positive number will
-    // result in the minimum latency being:
-    //
-    //     (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD))
-    //
-    // Note that reducing this latency makes it more likely for the applications
-    // to not have their window content image ready in time.  When this happens
-    // the latency will end up being an additional vsync period, and animations
-    // will hiccup.  Therefore, this latency should be tuned somewhat
-    // conservatively (or at least with awareness of the trade-off being made).
-    static int64_t vsyncPhaseOffsetNs;
-    static int64_t sfVsyncPhaseOffsetNs;
-
     // If fences from sync Framework are supported.
     static bool hasSyncFramework;
 
@@ -249,10 +214,6 @@
     static uint32_t maxGraphicsWidth;
     static uint32_t maxGraphicsHeight;
 
-    // Indicate if a device has wide color gamut display. This is typically
-    // found on devices with wide color gamut (e.g. Display-P3) display.
-    static bool hasWideColorDisplay;
-
     // Indicate if device wants color management on its display.
     static const constexpr bool useColorManagement = true;
 
@@ -280,9 +241,6 @@
     // starts SurfaceFlinger main loop in the current thread
     void run() ANDROID_API;
 
-    SurfaceFlingerBE& getBE() { return mBE; }
-    const SurfaceFlingerBE& getBE() const { return mBE; }
-
     // Indicates frame activity, i.e. whether commit and/or composite is taking place.
     enum class FrameHint { kNone, kActive };
 
@@ -309,9 +267,6 @@
 
     renderengine::RenderEngine& getRenderEngine() const;
 
-    bool authenticateSurfaceTextureLocked(
-        const sp<IGraphicBufferProducer>& bufferProducer) const;
-
     void onLayerFirstRef(Layer*);
     void onLayerDestroyed(Layer*);
     void onLayerUpdate();
@@ -335,7 +290,6 @@
     // If set, disables reusing client composition buffers. This can be set by
     // debug.sf.disable_client_composition_cache
     bool mDisableClientCompositionCache = false;
-    void windowInfosReported();
 
     // Disables expensive rendering for all displays
     // This is scheduled on the main thread
@@ -375,13 +329,10 @@
 
 private:
     friend class BufferLayer;
-    friend class BufferQueueLayer;
-    friend class BufferStateLayer;
     friend class Client;
     friend class FpsReporter;
     friend class TunnelModeEnabledReporter;
     friend class Layer;
-    friend class MonitoredProducer;
     friend class RefreshRateOverlay;
     friend class RegionSamplingThread;
     friend class LayerRenderArea;
@@ -399,10 +350,6 @@
     using DumpArgs = Vector<String16>;
     using Dumper = std::function<void(const DumpArgs&, bool asProto, std::string&)>;
 
-    // This value is specified in number of frames.  Log frame stats at most
-    // every half hour.
-    enum { LOG_FRAME_STATS_PERIOD =  30*60*60 };
-
     class State {
     public:
         explicit State(LayerVector::StateSet set) : stateSet(set), layersSortedByZ(set) {}
@@ -422,7 +369,20 @@
 
         const LayerVector::StateSet stateSet = LayerVector::StateSet::Invalid;
         LayerVector layersSortedByZ;
-        DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays;
+
+        // TODO(b/241285876): Replace deprecated DefaultKeyedVector with ftl::SmallMap.
+        DefaultKeyedVector<wp<IBinder>, DisplayDeviceState> displays;
+
+        std::optional<size_t> getDisplayIndex(PhysicalDisplayId displayId) const {
+            for (size_t i = 0; i < displays.size(); i++) {
+                const auto& state = displays.valueAt(i);
+                if (state.physical && state.physical->id == displayId) {
+                    return i;
+                }
+            }
+
+            return {};
+        }
 
         bool colorMatrixChanged = true;
         mat4 colorMatrix;
@@ -481,11 +441,6 @@
         FINISHED,
     };
 
-    struct HotplugEvent {
-        hal::HWDisplayId hwcDisplayId;
-        hal::Connection connection = hal::Connection::INVALID;
-    };
-
     template <typename F, std::enable_if_t<!std::is_member_function_pointer_v<F>>* = nullptr>
     static Dumper dumper(F&& dump) {
         using namespace std::placeholders;
@@ -519,10 +474,11 @@
         }
     }
 
-    static const int MAX_TRACING_MEMORY = 100 * 1024 * 1024; // 100MB
     // Maximum allowed number of display frames that can be set through backdoor
     static const int MAX_ALLOWED_DISPLAY_FRAMES = 2048;
 
+    static const size_t MAX_LAYERS = 4096;
+
     // Implements IBinder.
     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
     status_t dump(int fd, const Vector<String16>& args) override { return priorityDump(fd, args); }
@@ -530,14 +486,12 @@
             EXCLUDES(mStateLock);
 
     // Implements ISurfaceComposer
-    sp<ISurfaceComposerClient> createConnection() override;
     sp<IBinder> createDisplay(const String8& displayName, bool secure);
     void destroyDisplay(const sp<IBinder>& displayToken);
     std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const EXCLUDES(mStateLock) {
         Mutex::Autolock lock(mStateLock);
         return getPhysicalDisplayIdsLocked();
     }
-    status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*) const EXCLUDES(mStateLock);
 
     sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const;
     status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
@@ -549,13 +503,12 @@
                                  const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
                                  const std::vector<ListenerCallbacks>& listenerCallbacks,
                                  uint64_t transactionId) override;
-    void bootFinished() override;
-    bool authenticateSurfaceTexture(
-            const sp<IGraphicBufferProducer>& bufferProducer) const override;
-    status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override;
+    void bootFinished();
+    virtual status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const;
     sp<IDisplayEventConnection> createDisplayEventConnection(
-            ISurfaceComposer::VsyncSource vsyncSource = eVsyncSourceApp,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {}) override;
+            gui::ISurfaceComposer::VsyncSource vsyncSource =
+                    gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+            EventRegistrationFlags eventRegistration = {});
 
     status_t captureDisplay(const DisplayCaptureArgs&, const sp<IScreenCaptureListener>&);
     status_t captureDisplay(DisplayId, const sp<IScreenCaptureListener>&);
@@ -565,62 +518,56 @@
     status_t getDisplayState(const sp<IBinder>& displayToken, ui::DisplayState*)
             EXCLUDES(mStateLock);
     status_t getStaticDisplayInfo(const sp<IBinder>& displayToken, ui::StaticDisplayInfo*)
-            EXCLUDES(mStateLock) override;
+            EXCLUDES(mStateLock);
     status_t getDynamicDisplayInfo(const sp<IBinder>& displayToken, ui::DynamicDisplayInfo*)
-            EXCLUDES(mStateLock) override;
-    status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken,
-                                       ui::DisplayPrimaries&) override;
-    status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode) override;
+            EXCLUDES(mStateLock);
+    status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken, ui::DisplayPrimaries&);
+    status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode);
     status_t getBootDisplayModeSupport(bool* outSupport) const;
-    status_t setBootDisplayMode(const sp<IBinder>& displayToken, ui::DisplayModeId id) override;
+    status_t setBootDisplayMode(const sp<display::DisplayToken>&, DisplayModeId);
     status_t clearBootDisplayMode(const sp<IBinder>& displayToken);
     void setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on);
     void setGameContentType(const sp<IBinder>& displayToken, bool on);
     void setPowerMode(const sp<IBinder>& displayToken, int mode);
-    status_t clearAnimationFrameStats() override;
-    status_t getAnimationFrameStats(FrameStats* outStats) const override;
     status_t overrideHdrTypes(const sp<IBinder>& displayToken,
-                              const std::vector<ui::Hdr>& hdrTypes) override;
-    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) override;
-    status_t enableVSyncInjections(bool enable) override;
-    status_t injectVSync(nsecs_t when) override;
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override;
-    status_t getColorManagement(bool* outGetColorManagement) const override;
+                              const std::vector<ui::Hdr>& hdrTypes);
+    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success);
+    status_t enableVSyncInjections(bool enable);
+    status_t injectVSync(nsecs_t when);
+    status_t getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers);
+    status_t getColorManagement(bool* outGetColorManagement) const;
     status_t getCompositionPreference(ui::Dataspace* outDataspace, ui::PixelFormat* outPixelFormat,
                                       ui::Dataspace* outWideColorGamutDataspace,
-                                      ui::PixelFormat* outWideColorGamutPixelFormat) const override;
+                                      ui::PixelFormat* outWideColorGamutPixelFormat) const;
     status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& displayToken,
                                                    ui::PixelFormat* outFormat,
                                                    ui::Dataspace* outDataspace,
-                                                   uint8_t* outComponentMask) const override;
+                                                   uint8_t* outComponentMask) const;
     status_t setDisplayContentSamplingEnabled(const sp<IBinder>& displayToken, bool enable,
-                                              uint8_t componentMask, uint64_t maxFrames) override;
+                                              uint8_t componentMask, uint64_t maxFrames);
     status_t getDisplayedContentSample(const sp<IBinder>& displayToken, uint64_t maxFrames,
-                                       uint64_t timestamp,
-                                       DisplayedFrameStats* outStats) const override;
-    status_t getProtectedContentSupport(bool* outSupported) const override;
+                                       uint64_t timestamp, DisplayedFrameStats* outStats) const;
+    status_t getProtectedContentSupport(bool* outSupported) const;
     status_t isWideColorDisplay(const sp<IBinder>& displayToken, bool* outIsWideColorDisplay) const;
     status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
-                                       const sp<IRegionSamplingListener>& listener) override;
-    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override;
-    status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) override;
-    status_t removeFpsListener(const sp<gui::IFpsListener>& listener) override;
-    status_t addTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) override;
-    status_t removeTunnelModeEnabledListener(
-            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+                                       const sp<IRegionSamplingListener>& listener);
+    status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener);
+    status_t addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener);
+    status_t removeFpsListener(const sp<gui::IFpsListener>& listener);
+    status_t addTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& listener);
+    status_t removeTunnelModeEnabledListener(const sp<gui::ITunnelModeEnabledListener>& listener);
     status_t setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
                                         ui::DisplayModeId displayModeId, bool allowGroupSwitching,
                                         float primaryRefreshRateMin, float primaryRefreshRateMax,
                                         float appRequestRefreshRateMin,
-                                        float appRequestRefreshRateMax) override;
+                                        float appRequestRefreshRateMax);
     status_t getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
                                         ui::DisplayModeId* outDefaultMode,
                                         bool* outAllowGroupSwitching,
                                         float* outPrimaryRefreshRateMin,
                                         float* outPrimaryRefreshRateMax,
                                         float* outAppRequestRefreshRateMin,
-                                        float* outAppRequestRefreshRateMax) override;
+                                        float* outAppRequestRefreshRateMax);
     status_t getDisplayBrightnessSupport(const sp<IBinder>& displayToken, bool* outSupport) const;
     status_t setDisplayBrightness(const sp<IBinder>& displayToken,
                                   const gui::DisplayBrightness& brightness);
@@ -630,36 +577,34 @@
                                         const sp<gui::IHdrLayerInfoListener>& listener);
     status_t notifyPowerBoost(int32_t boostId);
     status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
-                                     float lightPosY, float lightPosZ, float lightRadius) override;
+                                     float lightPosY, float lightPosZ, float lightRadius);
     status_t getDisplayDecorationSupport(
             const sp<IBinder>& displayToken,
             std::optional<aidl::android::hardware::graphics::common::DisplayDecorationSupport>*
-                    outSupport) const override;
+                    outSupport) const;
     status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
-                          int8_t compatibility, int8_t changeFrameRateStrategy) override;
+                          int8_t compatibility, int8_t changeFrameRateStrategy);
 
     status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
-                                  const FrameTimelineInfo& frameTimelineInfo) override;
+                                  const gui::FrameTimelineInfo& frameTimelineInfo);
 
-    status_t setOverrideFrameRate(uid_t uid, float frameRate) override;
+    status_t setOverrideFrameRate(uid_t uid, float frameRate);
 
-    status_t addTransactionTraceListener(
-            const sp<gui::ITransactionTraceListener>& listener) override;
+    status_t addTransactionTraceListener(const sp<gui::ITransactionTraceListener>& listener);
 
-    int getGPUContextPriority() override;
+    int getGpuContextPriority();
 
-    status_t getMaxAcquiredBufferCount(int* buffers) const override;
+    status_t getMaxAcquiredBufferCount(int* buffers) const;
 
-    status_t addWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const override;
+    status_t addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener) const;
     status_t removeWindowInfosListener(
-            const sp<gui::IWindowInfosListener>& windowInfosListener) const override;
+            const sp<gui::IWindowInfosListener>& windowInfosListener) const;
 
     // Implements IBinder::DeathRecipient.
     void binderDied(const wp<IBinder>& who) override;
 
     // HWC2::ComposerCallback overrides:
-    void onComposerHalVsync(hal::HWDisplayId, int64_t timestamp,
+    void onComposerHalVsync(hal::HWDisplayId, nsecs_t timestamp,
                             std::optional<hal::VsyncPeriodNanos>) override;
     void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) override;
     void onComposerHalRefresh(hal::HWDisplayId) override;
@@ -670,20 +615,21 @@
 
     // ICompositor overrides:
 
+    // Configures physical displays, processing hotplug and/or mode setting via the Composer HAL.
+    void configure() override;
+
     // Commits transactions for layers and displays. Returns whether any state has been invalidated,
     // i.e. whether a frame should be composited for each display.
-    bool commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime) override;
+    bool commit(TimePoint frameTime, VsyncId, TimePoint expectedVsyncTime) override;
 
     // Composites a frame for each display. CompositionEngine performs GPU and/or HAL composition
     // via RenderEngine and the Composer HAL, respectively.
-    void composite(nsecs_t frameTime, int64_t vsyncId) override;
+    void composite(TimePoint frameTime, VsyncId) override;
 
     // Samples the composited frame via RegionSamplingThread.
     void sample() override;
 
-    /*
-     * ISchedulerCallback
-     */
+    // ISchedulerCallback overrides:
 
     // Toggles hardware VSYNC by calling into HWC.
     void setVsyncEnabled(bool) override;
@@ -693,6 +639,7 @@
     void kernelTimerChanged(bool expired) override;
     // Called when the frame rate override list changed to trigger an event.
     void triggerOnFrameRateOverridesChanged() override;
+
     // Toggles the kernel idle timer on or off depending the policy decisions around refresh rates.
     void toggleKernelIdleTimer() REQUIRES(mStateLock);
     // Get the controller and timeout that will help decide how the kernel idle timer will be
@@ -709,40 +656,44 @@
     // Show spinner with refresh rate overlay
     bool mRefreshRateOverlaySpinner = false;
 
-    // Called on the main thread in response to initializeDisplays()
-    void onInitializeDisplays() REQUIRES(mStateLock);
     // Sets the desired active mode bit. It obtains the lock, and sets mDesiredActiveMode.
     void setDesiredActiveMode(const ActiveModeInfo& info) REQUIRES(mStateLock);
-    status_t setActiveModeFromBackdoor(const sp<IBinder>& displayToken, int id);
+    status_t setActiveModeFromBackdoor(const sp<display::DisplayToken>&, DisplayModeId);
     // Sets the active mode and a new refresh rate in SF.
-    void updateInternalStateWithChangedMode() REQUIRES(mStateLock);
+    void updateInternalStateWithChangedMode() REQUIRES(mStateLock, kMainThreadContext);
     // Calls to setActiveMode on the main thread if there is a pending mode change
     // that needs to be applied.
-    void setActiveModeInHwcIfNeeded() REQUIRES(mStateLock);
+    void setActiveModeInHwcIfNeeded() REQUIRES(mStateLock, kMainThreadContext);
     void clearDesiredActiveModeState(const sp<DisplayDevice>&) REQUIRES(mStateLock);
     // Called when active mode is no longer is progress
     void desiredActiveModeChangeDone(const sp<DisplayDevice>&) REQUIRES(mStateLock);
     // Called on the main thread in response to setPowerMode()
     void setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode)
-            REQUIRES(mStateLock);
+            REQUIRES(mStateLock, kMainThreadContext);
 
     // Returns true if the display has a visible HDR layer in its layer stack.
     bool hasVisibleHdrLayer(const sp<DisplayDevice>& display) REQUIRES(mStateLock);
 
-    // Sets the desired display mode specs.
-    status_t setDesiredDisplayModeSpecsInternal(
-            const sp<DisplayDevice>& display,
-            const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy)
-            EXCLUDES(mStateLock);
+    // Returns the preferred mode for PhysicalDisplayId if the Scheduler has selected one for that
+    // display. Falls back to the display's defaultModeId otherwise.
+    std::optional<DisplayModePtr> getPreferredDisplayMode(PhysicalDisplayId,
+                                                          DisplayModeId defaultModeId) const
+            REQUIRES(mStateLock);
 
-    void commitTransactions() EXCLUDES(mStateLock);
-    void commitTransactionsLocked(uint32_t transactionFlags) REQUIRES(mStateLock);
+    status_t setDesiredDisplayModeSpecsInternal(const sp<DisplayDevice>&,
+                                                const scheduler::RefreshRateConfigs::PolicyVariant&)
+            EXCLUDES(mStateLock) REQUIRES(kMainThreadContext);
+
+    void commitTransactions() EXCLUDES(mStateLock) REQUIRES(kMainThreadContext);
+    void commitTransactionsLocked(uint32_t transactionFlags)
+            REQUIRES(mStateLock, kMainThreadContext);
     void doCommitTransactions() REQUIRES(mStateLock);
 
     // Returns whether a new buffer has been latched.
     bool latchBuffers();
 
     void updateLayerGeometry();
+    void updateLayerMetadataSnapshot();
 
     void updateInputFlinger();
     void persistDisplayBrightness(bool needsComposite) REQUIRES(kMainThreadContext);
@@ -751,7 +702,7 @@
     void commitInputWindowCommands() REQUIRES(mStateLock);
     void updateCursorAsync();
 
-    void initScheduler(const sp<DisplayDevice>& display) REQUIRES(mStateLock);
+    void initScheduler(const sp<const DisplayDevice>&) REQUIRES(mStateLock);
     void updatePhaseConfiguration(const Fps&) REQUIRES(mStateLock);
     void setVsyncConfig(const VsyncModulator::VsyncConfig&, nsecs_t vsyncPeriod);
 
@@ -768,22 +719,15 @@
                                const std::vector<ListenerCallbacks>& listenerCallbacks,
                                int originPid, int originUid, uint64_t transactionId)
             REQUIRES(mStateLock);
-    // flush pending transaction that was presented after desiredPresentTime.
-    bool flushTransactionQueues(int64_t vsyncId);
+    // Flush pending transactions that were presented after desiredPresentTime.
+    bool flushTransactionQueues(VsyncId) REQUIRES(kMainThreadContext);
     // Returns true if there is at least one transaction that needs to be flushed
     bool transactionFlushNeeded();
 
     int flushPendingTransactionQueues(
             std::vector<TransactionState>& transactions,
             std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions,
-            bool tryApplyUnsignaled) REQUIRES(mStateLock, mQueueLock);
-
-    int flushUnsignaledPendingTransactionQueues(
-            std::vector<TransactionState>& transactions,
-            std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            std::unordered_set<sp<IBinder>, SpHash<IBinder>>& applyTokensWithUnsignaledTransactions)
-            REQUIRES(mStateLock, mQueueLock);
+            bool tryApplyUnsignaled) REQUIRES(mStateLock) REQUIRES(kMainThreadContext);
 
     uint32_t setClientStateLocked(const FrameTimelineInfo&, ComposerState&,
                                   int64_t desiredPresentTime, bool isAutoTimestamp,
@@ -807,23 +751,24 @@
         Ready,
         ReadyUnsignaled,
     };
-    TransactionReadiness transactionIsReadyToBeApplied(TransactionState& state,
-            const FrameTimelineInfo& info, bool isAutoTimestamp, int64_t desiredPresentTime,
-            uid_t originUid, const Vector<ComposerState>& states,
-            const std::unordered_map<
-                sp<IBinder>, uint64_t, SpHash<IBinder>>& bufferLayersReadyToPresent,
-            size_t totalTXapplied, bool tryApplyUnsignaled) const REQUIRES(mStateLock);
+    TransactionReadiness transactionIsReadyToBeApplied(
+            TransactionState&, const FrameTimelineInfo&, bool isAutoTimestamp,
+            TimePoint desiredPresentTime, uid_t originUid, const Vector<ComposerState>&,
+            const std::unordered_map<sp<IBinder>, uint64_t, SpHash<IBinder>>&
+                    bufferLayersReadyToPresent,
+            size_t totalTXapplied, bool tryApplyUnsignaled) const REQUIRES(mStateLock)
+            REQUIRES(kMainThreadContext);
+
     static LatchUnsignaledConfig getLatchUnsignaledConfig();
     bool shouldLatchUnsignaled(const sp<Layer>& layer, const layer_state_t&, size_t numStates,
                                size_t totalTXapplied) const;
-    bool stopTransactionProcessing(const std::unordered_set<sp<IBinder>, SpHash<IBinder>>&
-                                           applyTokensWithUnsignaledTransactions) const;
-    bool applyTransactions(std::vector<TransactionState>& transactions, int64_t vsyncId)
+    bool applyTransactions(std::vector<TransactionState>& transactions, VsyncId)
             REQUIRES(mStateLock);
     uint32_t setDisplayStateLocked(const DisplayState& s) REQUIRES(mStateLock);
     uint32_t addInputWindowCommands(const InputWindowCommands& inputWindowCommands)
             REQUIRES(mStateLock);
-    bool frameIsEarly(nsecs_t expectedPresentTime, int64_t vsyncId) const;
+    bool frameIsEarly(TimePoint expectedPresentTime, VsyncId) const;
+
     /*
      * Layer management
      */
@@ -832,22 +777,18 @@
                          const sp<Layer>& parentLayer = nullptr,
                          uint32_t* outTransformHint = nullptr);
 
-    status_t createBufferQueueLayer(LayerCreationArgs& args, PixelFormat& format,
-                                    sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* outGbp,
-                                    sp<Layer>* outLayer);
-
     status_t createBufferStateLayer(LayerCreationArgs& args, sp<IBinder>* outHandle,
                                     sp<Layer>* outLayer);
 
     status_t createEffectLayer(const LayerCreationArgs& args, sp<IBinder>* outHandle,
                                sp<Layer>* outLayer);
 
-    status_t createContainerLayer(const LayerCreationArgs& args, sp<IBinder>* outHandle,
-                                  sp<Layer>* outLayer);
-
     status_t mirrorLayer(const LayerCreationArgs& args, const sp<IBinder>& mirrorFromHandle,
                          sp<IBinder>* outHandle, int32_t* outLayerId);
 
+    status_t mirrorDisplay(DisplayId displayId, const LayerCreationArgs& args,
+                           sp<IBinder>* outHandle, int32_t* outLayerId);
+
     // called when all clients have released all their references to
     // this layer meaning it is entirely safe to destroy all
     // resources associated to this layer.
@@ -889,8 +830,10 @@
     /*
      * Display and layer stack management
      */
-    // called when starting, or restarting after system_server death
+
+    // Called during boot, and restart after system_server death.
     void initializeDisplays();
+    void onInitializeDisplays() REQUIRES(mStateLock, kMainThreadContext);
 
     sp<const DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) const
             REQUIRES(mStateLock) {
@@ -926,12 +869,12 @@
     }
 
     sp<DisplayDevice> getDefaultDisplayDeviceLocked() REQUIRES(mStateLock) {
-        if (const auto display = getDisplayDeviceLocked(mActiveDisplayToken)) {
+        if (const auto display = getDisplayDeviceLocked(mActiveDisplayId)) {
             return display;
         }
         // The active display is outdated, so fall back to the primary display.
-        mActiveDisplayToken.clear();
-        return getDisplayDeviceLocked(getPrimaryDisplayTokenLocked());
+        mActiveDisplayId = getPrimaryDisplayIdLocked();
+        return getDisplayDeviceLocked(mActiveDisplayId);
     }
 
     sp<const DisplayDevice> getDefaultDisplayDevice() const EXCLUDES(mStateLock) {
@@ -939,6 +882,21 @@
         return getDefaultDisplayDeviceLocked();
     }
 
+    using DisplayDeviceAndSnapshot =
+            std::pair<sp<DisplayDevice>, display::PhysicalDisplay::SnapshotRef>;
+
+    // Combinator for ftl::Optional<PhysicalDisplay>::and_then.
+    auto getDisplayDeviceAndSnapshot() REQUIRES(mStateLock) {
+        return [this](const display::PhysicalDisplay& display) REQUIRES(
+                       mStateLock) -> ftl::Optional<DisplayDeviceAndSnapshot> {
+            if (auto device = getDisplayDeviceLocked(display.snapshot().displayId())) {
+                return std::make_pair(std::move(device), display.snapshotRef());
+            }
+
+            return {};
+        };
+    }
+
     // Returns the first display that matches a `bool(const DisplayDevice&)` predicate.
     template <typename Predicate>
     sp<DisplayDevice> findDisplay(Predicate p) const REQUIRES(mStateLock) {
@@ -954,8 +912,13 @@
     // region of all screens presenting this layer stack.
     void invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty);
 
-    bool isDisplayActiveLocked(const sp<const DisplayDevice>& display) const REQUIRES(mStateLock) {
-        return display->getDisplayToken() == mActiveDisplayToken;
+    ui::LayerFilter makeLayerFilterForDisplay(DisplayId displayId, ui::LayerStack layerStack)
+            REQUIRES(mStateLock) {
+        return {layerStack,
+                PhysicalDisplayId::tryCast(displayId)
+                        .and_then(display::getPhysicalDisplay(mPhysicalDisplays))
+                        .transform(&display::PhysicalDisplay::isInternal)
+                        .value_or(false)};
     }
 
     /*
@@ -972,14 +935,7 @@
     /*
      * Compositing
      */
-    void postComposition();
-    void getCompositorTiming(CompositorTiming* compositorTiming);
-    void updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime,
-                                std::shared_ptr<FenceTime>& presentFenceTime);
-    void setCompositorTimingSnapped(const DisplayStatInfo& stats,
-                                    nsecs_t compositeToPresentLatency);
-
-    void postFrame() REQUIRES(kMainThreadContext);
+    void postComposition() REQUIRES(kMainThreadContext);
 
     /*
      * Display management
@@ -987,18 +943,30 @@
     std::pair<DisplayModes, DisplayModePtr> loadDisplayModes(PhysicalDisplayId) const
             REQUIRES(mStateLock);
 
+    // TODO(b/241285876): Move to DisplayConfigurator.
+    //
+    // Returns whether displays have been added/changed/removed, i.e. whether ICompositor should
+    // commit display transactions.
+    bool configureLocked() REQUIRES(mStateLock) REQUIRES(kMainThreadContext)
+            EXCLUDES(mHotplugMutex);
+
+    // Returns a string describing the hotplug, or nullptr if it was rejected.
+    const char* processHotplug(PhysicalDisplayId, hal::HWDisplayId, bool connected,
+                               DisplayIdentificationInfo&&) REQUIRES(mStateLock)
+            REQUIRES(kMainThreadContext);
+
     sp<DisplayDevice> setupNewDisplayDeviceInternal(
             const wp<IBinder>& displayToken,
             std::shared_ptr<compositionengine::Display> compositionDisplay,
             const DisplayDeviceState& state,
             const sp<compositionengine::DisplaySurface>& displaySurface,
             const sp<IGraphicBufferProducer>& producer) REQUIRES(mStateLock);
-    void processDisplayChangesLocked() REQUIRES(mStateLock);
+    void processDisplayChangesLocked() REQUIRES(mStateLock, kMainThreadContext);
     void processDisplayRemoved(const wp<IBinder>& displayToken) REQUIRES(mStateLock);
     void processDisplayChanged(const wp<IBinder>& displayToken,
                                const DisplayDeviceState& currentState,
-                               const DisplayDeviceState& drawingState) REQUIRES(mStateLock);
-    void processDisplayHotplugEventsLocked() REQUIRES(mStateLock);
+                               const DisplayDeviceState& drawingState)
+            REQUIRES(mStateLock, kMainThreadContext);
 
     void dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected);
 
@@ -1012,50 +980,31 @@
         getHwComposer().setVsyncEnabled(id, enabled);
     }
 
-    struct FenceWithFenceTime {
-        sp<Fence> fence = Fence::NO_FENCE;
-        std::shared_ptr<FenceTime> fenceTime = FenceTime::NO_FENCE;
-    };
+    using FenceTimePtr = std::shared_ptr<FenceTime>;
 
-    // Gets the fence for the previous frame.
-    // Must be called on the main thread.
-    FenceWithFenceTime previousFrameFence();
+    const FenceTimePtr& getPreviousPresentFence(TimePoint frameTime, Period)
+            REQUIRES(kMainThreadContext);
 
-    // Whether the previous frame has not yet been presented to the display.
-    // If graceTimeMs is positive, this method waits for at most the provided
-    // grace period before reporting if the frame missed.
-    // Must be called on the main thread.
-    bool previousFramePending(int graceTimeMs = 0);
-
-    // Returns the previous time that the frame was presented. If the frame has
-    // not been presented yet, then returns Fence::SIGNAL_TIME_PENDING. If there
-    // is no pending frame, then returns Fence::SIGNAL_TIME_INVALID.
-    // Must be called on the main thread.
-    nsecs_t previousFramePresentTime();
+    // Blocks the thread waiting for up to graceTimeMs in case the fence is about to signal.
+    static bool isFencePending(const FenceTimePtr&, int graceTimeMs);
 
     // Calculates the expected present time for this frame. For negative offsets, performs a
     // correction using the predicted vsync for the next frame instead.
-
-    nsecs_t calculateExpectedPresentTime(DisplayStatInfo) const;
+    TimePoint calculateExpectedPresentTime(TimePoint frameTime) const;
 
     /*
      * Display identification
      */
-    sp<IBinder> getPhysicalDisplayTokenLocked(PhysicalDisplayId displayId) const
+    sp<display::DisplayToken> getPhysicalDisplayTokenLocked(PhysicalDisplayId displayId) const
             REQUIRES(mStateLock) {
-        const sp<IBinder> nullToken;
-        return mPhysicalDisplayTokens.get(displayId).value_or(std::cref(nullToken));
+        const sp<display::DisplayToken> nullToken;
+        return mPhysicalDisplays.get(displayId)
+                .transform([](const display::PhysicalDisplay& display) { return display.token(); })
+                .value_or(std::cref(nullToken));
     }
 
     std::optional<PhysicalDisplayId> getPhysicalDisplayIdLocked(
-            const sp<IBinder>& displayToken) const REQUIRES(mStateLock) {
-        for (const auto& [id, token] : mPhysicalDisplayTokens) {
-            if (token == displayToken) {
-                return id;
-            }
-        }
-        return {};
-    }
+            const sp<display::DisplayToken>&) const REQUIRES(mStateLock);
 
     // Returns the first display connected at boot.
     //
@@ -1078,15 +1027,17 @@
     VirtualDisplayId acquireVirtualDisplay(ui::Size, ui::PixelFormat) REQUIRES(mStateLock);
     void releaseVirtualDisplay(VirtualDisplayId);
 
-    void onActiveDisplayChangedLocked(const sp<DisplayDevice>& activeDisplay) REQUIRES(mStateLock);
+    void onActiveDisplayChangedLocked(const sp<DisplayDevice>& activeDisplay)
+            REQUIRES(mStateLock, kMainThreadContext);
 
-    void onActiveDisplaySizeChanged(const sp<DisplayDevice>& activeDisplay);
+    void onActiveDisplaySizeChanged(const sp<const DisplayDevice>&);
 
     /*
      * Debugging & dumpsys
      */
     void dumpAllLocked(const DumpArgs& args, const std::string& compositionLayers,
                        std::string& result) const REQUIRES(mStateLock);
+    void dumpHwcLayersMinidumpLocked(std::string& result) const REQUIRES(mStateLock);
 
     void appendSfConfigString(std::string& result) const;
     void listLayersLocked(std::string& result) const;
@@ -1094,10 +1045,9 @@
     void clearStatsLocked(const DumpArgs& args, std::string& result);
     void dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const;
     void dumpFrameTimeline(const DumpArgs& args, std::string& result) const;
-    void logFrameStats() REQUIRES(kMainThreadContext);
+    void logFrameStats(TimePoint now) REQUIRES(kMainThreadContext);
 
     void dumpVSync(std::string& result) const REQUIRES(mStateLock);
-    void dumpStaticScreenStats(std::string& result) const;
 
     void dumpCompositionDisplays(std::string& result) const REQUIRES(mStateLock);
     void dumpDisplays(std::string& result) const REQUIRES(mStateLock);
@@ -1134,26 +1084,19 @@
     status_t CheckTransactCodeCredentials(uint32_t code);
 
     // Add transaction to the Transaction Queue
-    void queueTransaction(TransactionState& state) EXCLUDES(mQueueLock);
-    void waitForSynchronousTransaction(const CountDownLatch& transactionCommittedSignal);
-    void signalSynchronousTransactions(const uint32_t flag);
+    void queueTransaction(TransactionState& state);
 
     /*
      * Generic Layer Metadata
      */
     const std::unordered_map<std::string, uint32_t>& getGenericLayerMetadataKeyMap() const;
 
-    /*
-     * Misc
-     */
-    std::vector<ui::ColorMode> getDisplayColorModes(const DisplayDevice&) REQUIRES(mStateLock);
-
     static int calculateMaxAcquiredBufferCount(Fps refreshRate,
                                                std::chrono::nanoseconds presentLatency);
     int getMaxAcquiredBufferCountForRefreshRate(Fps refreshRate) const;
 
     void updateInternalDisplayVsyncLocked(const sp<DisplayDevice>& activeDisplay)
-            REQUIRES(mStateLock);
+            REQUIRES(mStateLock, kMainThreadContext);
 
     bool isHdrLayer(Layer* layer) const;
 
@@ -1169,8 +1112,6 @@
     mutable Mutex mStateLock;
     State mCurrentState{LayerVector::StateSet::Current};
     std::atomic<int32_t> mTransactionFlags = 0;
-    std::vector<std::shared_ptr<CountDownLatch>> mTransactionCommittedSignals;
-    bool mAnimTransactionPending = false;
     std::atomic<uint32_t> mUniqueTransactionId = 1;
     SortedVector<sp<Layer>> mLayersPendingRemoval;
 
@@ -1179,7 +1120,7 @@
     float mGlobalSaturationFactor = 1.0f;
     mat4 mClientColorMatrix;
 
-    size_t mMaxGraphicBufferProducerListSize = ISurfaceComposer::MAX_LAYERS;
+    size_t mMaxGraphicBufferProducerListSize = MAX_LAYERS;
     // If there are more GraphicBufferProducers tracked by SurfaceFlinger than
     // this threshold, then begin logging.
     size_t mGraphicBufferProducerListSizeLogThreshold =
@@ -1213,20 +1154,20 @@
     // Set during transaction application stage to track if the input info or children
     // for a layer has changed.
     // TODO: Also move visibleRegions over to a boolean system.
-    bool mInputInfoChanged = false;
+    bool mUpdateInputInfo = false;
     bool mSomeChildrenChanged;
     bool mSomeDataspaceChanged = false;
     bool mForceTransactionDisplayChange = false;
 
-    bool mAnimCompositionPending = false;
+    // Set if LayerMetadata has changed since the last LayerMetadata snapshot.
+    bool mLayerMetadataSnapshotNeeded = false;
 
     // Tracks layers that have pending frames which are candidates for being
     // latched.
     std::unordered_set<sp<Layer>, SpHash<Layer>> mLayersWithQueuedFrames;
     // Tracks layers that need to update a display's dirty region.
     std::vector<sp<Layer>> mLayersPendingRefresh;
-    // size should be longest sf-duration / shortest vsync period and round up
-    std::array<FenceWithFenceTime, 5> mPreviousPresentFences; // currently consider 166hz.
+
     // True if in the previous frame at least one layer was composed via the GPU.
     bool mHadClientComposition = false;
     // True if in the previous frame at least one layer was composed via HW Composer.
@@ -1240,17 +1181,24 @@
 
     BootStage mBootStage = BootStage::BOOTLOADER;
 
-    std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mStateLock);
+    struct HotplugEvent {
+        hal::HWDisplayId hwcDisplayId;
+        hal::Connection connection = hal::Connection::INVALID;
+    };
+
+    std::mutex mHotplugMutex;
+    std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mHotplugMutex);
 
     // Displays are composited in `mDisplays` order. Internal displays are inserted at boot and
     // never removed, so take precedence over external and virtual displays.
     //
-    // The static capacities were chosen to exceed a typical number of physical/virtual displays.
-    //
     // May be read from any thread, but must only be written from the main thread.
-    ftl::SmallMap<wp<IBinder>, const sp<DisplayDevice>, 5> mDisplays GUARDED_BY(mStateLock);
-    ftl::SmallMap<PhysicalDisplayId, const sp<IBinder>, 3> mPhysicalDisplayTokens
-            GUARDED_BY(mStateLock);
+    display::DisplayMap<wp<IBinder>, const sp<DisplayDevice>> mDisplays GUARDED_BY(mStateLock);
+
+    display::PhysicalDisplays mPhysicalDisplays GUARDED_BY(mStateLock);
+
+    // The inner or outer display for foldables, assuming they have mutually exclusive power states.
+    PhysicalDisplayId mActiveDisplayId GUARDED_BY(mStateLock);
 
     struct {
         DisplayIdGenerator<GpuVirtualDisplayId> gpu;
@@ -1277,6 +1225,8 @@
     const std::unique_ptr<FrameTracer> mFrameTracer;
     const std::unique_ptr<frametimeline::FrameTimeline> mFrameTimeline;
 
+    VsyncId mLastCommittedVsyncId;
+
     // If blurs should be enabled on this device.
     bool mSupportsBlur = false;
     // If blurs are considered expensive and should require high GPU frequency.
@@ -1287,9 +1237,6 @@
 
     TransactionCallbackInvoker mTransactionCallbackInvoker;
 
-    // Thread-safe.
-    FrameTracker mAnimFrameTracker;
-
     // We maintain a pool of pre-generated texture names to hand out to avoid
     // layer creation needing to run on the main thread (which it would
     // otherwise need to do to access RenderEngine).
@@ -1297,18 +1244,10 @@
     uint32_t mTexturePoolSize = 0;
     std::vector<uint32_t> mTexturePool;
 
-    mutable Mutex mQueueLock;
-    Condition mTransactionQueueCV;
     std::unordered_map<sp<IBinder>, std::queue<TransactionState>, IListenerHash>
-            mPendingTransactionQueues GUARDED_BY(mQueueLock);
-    std::deque<TransactionState> mTransactionQueue GUARDED_BY(mQueueLock);
-    /*
-     * Feature prototyping
-     */
-
-    // Static screen stats
-    bool mHasPoweredOff = false;
-
+            mPendingTransactionQueues;
+    LocklessQueue<TransactionState> mLocklessTransactionQueue;
+    std::atomic<size_t> mPendingTransactionCount = 0;
     std::atomic<size_t> mNumLayers = 0;
 
     // to linkToDeath
@@ -1331,12 +1270,15 @@
     // This property can be used to force SurfaceFlinger to always pick a certain color mode.
     ui::ColorMode mForceColorMode = ui::ColorMode::NATIVE;
 
+    // Whether to enable wide color gamut (e.g. Display P3) for internal displays that support it.
+    // If false, wide color modes are filtered out for all internal displays.
+    bool mSupportsWideColor = false;
+
     ui::Dataspace mDefaultCompositionDataspace;
     ui::Dataspace mWideColorGamutCompositionDataspace;
     ui::Dataspace mColorSpaceAgnosticDataspace;
     float mDimmingRatio = -1.f;
 
-    SurfaceFlingerBE mBE;
     std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine;
     // mMaxRenderTargetSize is only set once in init() so it doesn't need to be protected by
     // any mutex.
@@ -1360,9 +1302,17 @@
     sp<VsyncModulator> mVsyncModulator;
 
     std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
+    scheduler::PresentLatencyTracker mPresentLatencyTracker GUARDED_BY(kMainThreadContext);
 
-    std::atomic<nsecs_t> mExpectedPresentTime = 0;
-    nsecs_t mScheduledPresentTime = 0;
+    struct FenceWithFenceTime {
+        sp<Fence> fence = Fence::NO_FENCE;
+        FenceTimePtr fenceTime = FenceTime::NO_FENCE;
+    };
+    std::array<FenceWithFenceTime, 2> mPreviousPresentFences;
+
+    TimePoint mScheduledPresentTime GUARDED_BY(kMainThreadContext);
+    TimePoint mExpectedPresentTime GUARDED_BY(kMainThreadContext);
+
     hal::Vsync mHWCVsyncPendingState = hal::Vsync::DISABLE;
     hal::Vsync mLastHWCVsyncState = hal::Vsync::DISABLE;
 
@@ -1384,7 +1334,7 @@
 
     std::unique_ptr<Hwc2::PowerAdvisor> mPowerAdvisor;
 
-    void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock);
+    void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock, kMainThreadContext);
 
     // Flag used to set override desired display mode from backdoor
     bool mDebugDisplayModeSetByBackdoor = false;
@@ -1416,8 +1366,21 @@
     // A temporay pool that store the created layers and will be added to current state in main
     // thread.
     std::vector<LayerCreatedState> mCreatedLayers GUARDED_BY(mCreatedLayersLock);
-    bool commitCreatedLayers();
-    void handleLayerCreatedLocked(const LayerCreatedState& state) REQUIRES(mStateLock);
+    bool commitCreatedLayers(VsyncId);
+    void handleLayerCreatedLocked(const LayerCreatedState&, VsyncId) REQUIRES(mStateLock);
+
+    mutable std::mutex mMirrorDisplayLock;
+    struct MirrorDisplayState {
+        MirrorDisplayState(ui::LayerStack layerStack, sp<IBinder>& rootHandle,
+                           const sp<Client>& client)
+              : layerStack(layerStack), rootHandle(rootHandle), client(client) {}
+
+        ui::LayerStack layerStack;
+        sp<IBinder> rootHandle;
+        const sp<Client> client;
+    };
+    std::vector<MirrorDisplayState> mMirrorDisplays GUARDED_BY(mMirrorDisplayLock);
+    bool commitMirrorDisplays(VsyncId);
 
     std::atomic<ui::Transform::RotationFlags> mActiveDisplayTransformHint;
 
@@ -1426,8 +1389,6 @@
                 [](const auto& display) { return display.isRefreshRateOverlayEnabled(); });
     }
 
-    wp<IBinder> mActiveDisplayToken GUARDED_BY(mStateLock);
-
     const sp<WindowInfosListenerInvoker> mWindowInfosListenerInvoker;
 
     FlagManager mFlagManager;
@@ -1444,26 +1405,37 @@
         bool early = false;
     } mPowerHintSessionMode;
 
-    nsecs_t mAnimationTransactionTimeout = s2ns(5);
-
     friend class SurfaceComposerAIDL;
 };
 
 class SurfaceComposerAIDL : public gui::BnSurfaceComposer {
 public:
-    SurfaceComposerAIDL(sp<SurfaceFlinger> sf) { mFlinger = sf; }
+    SurfaceComposerAIDL(sp<SurfaceFlinger> sf) : mFlinger(std::move(sf)) {}
 
+    binder::Status bootFinished() override;
+    binder::Status createDisplayEventConnection(
+            VsyncSource vsyncSource, EventRegistration eventRegistration,
+            sp<gui::IDisplayEventConnection>* outConnection) override;
+    binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override;
     binder::Status createDisplay(const std::string& displayName, bool secure,
                                  sp<IBinder>* outDisplay) override;
     binder::Status destroyDisplay(const sp<IBinder>& display) override;
     binder::Status getPhysicalDisplayIds(std::vector<int64_t>* outDisplayIds) override;
-    binder::Status getPrimaryPhysicalDisplayId(int64_t* outDisplayId) override;
     binder::Status getPhysicalDisplayToken(int64_t displayId, sp<IBinder>* outDisplay) override;
     binder::Status setPowerMode(const sp<IBinder>& display, int mode) override;
+    binder::Status getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) override;
     binder::Status getDisplayStats(const sp<IBinder>& display,
                                    gui::DisplayStatInfo* outStatInfo) override;
     binder::Status getDisplayState(const sp<IBinder>& display,
                                    gui::DisplayState* outState) override;
+    binder::Status getStaticDisplayInfo(const sp<IBinder>& display,
+                                        gui::StaticDisplayInfo* outInfo) override;
+    binder::Status getDynamicDisplayInfo(const sp<IBinder>& display,
+                                         gui::DynamicDisplayInfo* outInfo) override;
+    binder::Status getDisplayNativePrimaries(const sp<IBinder>& display,
+                                             gui::DisplayPrimaries* outPrimaries) override;
+    binder::Status setActiveColorMode(const sp<IBinder>& display, int colorMode) override;
+    binder::Status setBootDisplayMode(const sp<IBinder>& display, int displayModeId) override;
     binder::Status clearBootDisplayMode(const sp<IBinder>& display) override;
     binder::Status getBootDisplayModeSupport(bool* outMode) override;
     binder::Status setAutoLowLatencyMode(const sp<IBinder>& display, bool on) override;
@@ -1473,8 +1445,52 @@
     binder::Status captureDisplayById(int64_t, const sp<IScreenCaptureListener>&) override;
     binder::Status captureLayers(const LayerCaptureArgs&,
                                  const sp<IScreenCaptureListener>&) override;
+
+    // TODO(b/239076119): Remove deprecated AIDL.
+    [[deprecated]] binder::Status clearAnimationFrameStats() override {
+        return binder::Status::ok();
+    }
+    [[deprecated]] binder::Status getAnimationFrameStats(gui::FrameStats*) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status overrideHdrTypes(const sp<IBinder>& display,
+                                    const std::vector<int32_t>& hdrTypes) override;
+    binder::Status onPullAtom(int32_t atomId, gui::PullAtomData* outPullData) override;
+    binder::Status enableVSyncInjections(bool enable) override;
+    binder::Status injectVSync(int64_t when) override;
+    binder::Status getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* outLayers) override;
+    binder::Status getColorManagement(bool* outGetColorManagement) override;
+    binder::Status getCompositionPreference(gui::CompositionPreference* outPref) override;
+    binder::Status getDisplayedContentSamplingAttributes(
+            const sp<IBinder>& display, gui::ContentSamplingAttributes* outAttrs) override;
+    binder::Status setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+                                                    int8_t componentMask,
+                                                    int64_t maxFrames) override;
+    binder::Status getDisplayedContentSample(const sp<IBinder>& display, int64_t maxFrames,
+                                             int64_t timestamp,
+                                             gui::DisplayedFrameStats* outStats) override;
+    binder::Status getProtectedContentSupport(bool* outSupporte) override;
     binder::Status isWideColorDisplay(const sp<IBinder>& token,
                                       bool* outIsWideColorDisplay) override;
+    binder::Status addRegionSamplingListener(
+            const gui::ARect& samplingArea, const sp<IBinder>& stopLayerHandle,
+            const sp<gui::IRegionSamplingListener>& listener) override;
+    binder::Status removeRegionSamplingListener(
+            const sp<gui::IRegionSamplingListener>& listener) override;
+    binder::Status addFpsListener(int32_t taskId, const sp<gui::IFpsListener>& listener) override;
+    binder::Status removeFpsListener(const sp<gui::IFpsListener>& listener) override;
+    binder::Status addTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+    binder::Status removeTunnelModeEnabledListener(
+            const sp<gui::ITunnelModeEnabledListener>& listener) override;
+    binder::Status setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken, int32_t defaultMode,
+                                              bool allowGroupSwitching, float primaryRefreshRateMin,
+                                              float primaryRefreshRateMax,
+                                              float appRequestRefreshRateMin,
+                                              float appRequestRefreshRateMax) override;
+    binder::Status getDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
+                                              gui::DisplayModeSpecs* outSpecs) override;
     binder::Status getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
                                                bool* outSupport) override;
     binder::Status setDisplayBrightness(const sp<IBinder>& displayToken,
@@ -1485,11 +1501,27 @@
             const sp<IBinder>& displayToken,
             const sp<gui::IHdrLayerInfoListener>& listener) override;
     binder::Status notifyPowerBoost(int boostId) override;
+    binder::Status setGlobalShadowSettings(const gui::Color& ambientColor,
+                                           const gui::Color& spotColor, float lightPosY,
+                                           float lightPosZ, float lightRadius) override;
+    binder::Status getDisplayDecorationSupport(
+            const sp<IBinder>& displayToken,
+            std::optional<gui::DisplayDecorationSupport>* outSupport) override;
+    binder::Status setOverrideFrameRate(int32_t uid, float frameRate) override;
+    binder::Status addTransactionTraceListener(
+            const sp<gui::ITransactionTraceListener>& listener) override;
+    binder::Status getGpuContextPriority(int32_t* outPriority) override;
+    binder::Status getMaxAcquiredBufferCount(int32_t* buffers) override;
+    binder::Status addWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& windowInfosListener) override;
+    binder::Status removeWindowInfosListener(
+            const sp<gui::IWindowInfosListener>& windowInfosListener) override;
 
 private:
     static const constexpr bool kUsePermissionCache = true;
     status_t checkAccessPermission(bool usePermissionCache = kUsePermissionCache);
     status_t checkControlDisplayBrightnessPermission();
+    status_t checkReadFrameBufferPermission();
 
 private:
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
index b81b445..3e30dcb 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
@@ -22,15 +22,9 @@
 #include <cutils/properties.h>
 #include <ui/GraphicBuffer.h>
 
-#include "BufferLayerConsumer.h"
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
-#include "EffectLayer.h"
 #include "FrameTracer/FrameTracer.h"
 #include "Layer.h"
-#include "MonitoredProducer.h"
 #include "NativeWindowSurface.h"
 #include "StartPropertySetThread.h"
 #include "SurfaceFlingerDefaultFactory.h"
@@ -38,6 +32,7 @@
 #include "SurfaceInterceptor.h"
 
 #include "DisplayHardware/ComposerHal.h"
+#include "FrameTimeline/FrameTimeline.h"
 #include "Scheduler/Scheduler.h"
 #include "Scheduler/VsyncConfiguration.h"
 #include "Scheduler/VsyncController.h"
@@ -60,22 +55,22 @@
 }
 
 sp<SurfaceInterceptor> DefaultFactory::createSurfaceInterceptor() {
-    return new android::impl::SurfaceInterceptor();
+    return sp<android::impl::SurfaceInterceptor>::make();
 }
 
 sp<StartPropertySetThread> DefaultFactory::createStartPropertySetThread(
         bool timestampPropertyValue) {
-    return new StartPropertySetThread(timestampPropertyValue);
+    return sp<StartPropertySetThread>::make(timestampPropertyValue);
 }
 
 sp<DisplayDevice> DefaultFactory::createDisplayDevice(DisplayDeviceCreationArgs& creationArgs) {
-    return new DisplayDevice(creationArgs);
+    return sp<DisplayDevice>::make(creationArgs);
 }
 
 sp<GraphicBuffer> DefaultFactory::createGraphicBuffer(uint32_t width, uint32_t height,
                                                       PixelFormat format, uint32_t layerCount,
                                                       uint64_t usage, std::string requestorName) {
-    return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+    return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
 }
 
 void DefaultFactory::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
@@ -84,18 +79,6 @@
     BufferQueue::createBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
 }
 
-sp<IGraphicBufferProducer> DefaultFactory::createMonitoredProducer(
-        const sp<IGraphicBufferProducer>& producer, const sp<SurfaceFlinger>& flinger,
-        const wp<Layer>& layer) {
-    return new MonitoredProducer(producer, flinger, layer);
-}
-
-sp<BufferLayerConsumer> DefaultFactory::createBufferLayerConsumer(
-        const sp<IGraphicBufferConsumer>& consumer, renderengine::RenderEngine& renderEngine,
-        uint32_t textureName, Layer* layer) {
-    return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-}
-
 std::unique_ptr<surfaceflinger::NativeWindowSurface> DefaultFactory::createNativeWindowSurface(
         const sp<IGraphicBufferProducer>& producer) {
     return surfaceflinger::impl::createNativeWindowSurface(producer);
@@ -105,20 +88,12 @@
     return compositionengine::impl::createCompositionEngine();
 }
 
-sp<ContainerLayer> DefaultFactory::createContainerLayer(const LayerCreationArgs& args) {
-    return new ContainerLayer(args);
+sp<Layer> DefaultFactory::createBufferStateLayer(const LayerCreationArgs& args) {
+    return sp<Layer>::make(args);
 }
 
-sp<BufferQueueLayer> DefaultFactory::createBufferQueueLayer(const LayerCreationArgs& args) {
-    return new BufferQueueLayer(args);
-}
-
-sp<BufferStateLayer> DefaultFactory::createBufferStateLayer(const LayerCreationArgs& args) {
-    return new BufferStateLayer(args);
-}
-
-sp<EffectLayer> DefaultFactory::createEffectLayer(const LayerCreationArgs& args) {
-    return new EffectLayer(args);
+sp<Layer> DefaultFactory::createEffectLayer(const LayerCreationArgs& args) {
+    return sp<Layer>::make(args);
 }
 
 std::unique_ptr<FrameTracer> DefaultFactory::createFrameTracer() {
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
index 501629d..6fca402 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
@@ -38,19 +38,11 @@
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                            sp<IGraphicBufferConsumer>* outConsumer,
                            bool consumerIsSurfaceFlinger) override;
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>&,
-                                                       const sp<SurfaceFlinger>&,
-                                                       const wp<Layer>&) override;
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>&,
-                                                      renderengine::RenderEngine&, uint32_t tex,
-                                                      Layer*) override;
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>&) override;
     std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() override;
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs& args) override;
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) override;
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) override;
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) override;
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) override;
+    sp<Layer> createEffectLayer(const LayerCreationArgs& args) override;
     std::unique_ptr<FrameTracer> createFrameTracer() override;
     std::unique_ptr<frametimeline::FrameTimeline> createFrameTimeline(
             std::shared_ptr<TimeStats> timeStats, pid_t surfaceFlingerPid) override;
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.cpp b/services/surfaceflinger/SurfaceFlingerFactory.cpp
index 3997b04..7bd6cf6 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.cpp
+++ b/services/surfaceflinger/SurfaceFlingerFactory.cpp
@@ -26,7 +26,7 @@
 sp<SurfaceFlinger> createSurfaceFlinger() {
     static DefaultFactory factory;
 
-    return new SurfaceFlinger(factory);
+    return sp<SurfaceFlinger>::make(factory);
 }
 
 } // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.h b/services/surfaceflinger/SurfaceFlingerFactory.h
index 6153e8e..6d18ade 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerFactory.h
@@ -30,12 +30,8 @@
 
 typedef int32_t PixelFormat;
 
-class BufferQueueLayer;
 class BufferLayerConsumer;
-class BufferStateLayer;
-class ContainerLayer;
 class DisplayDevice;
-class EffectLayer;
 class FrameTracer;
 class GraphicBuffer;
 class HWComposer;
@@ -86,22 +82,14 @@
     virtual void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                                    sp<IGraphicBufferConsumer>* outConsumer,
                                    bool consumerIsSurfaceFlinger) = 0;
-    virtual sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>&,
-                                                               const sp<SurfaceFlinger>&,
-                                                               const wp<Layer>&) = 0;
-    virtual sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>&,
-                                                              renderengine::RenderEngine&,
-                                                              uint32_t tex, Layer*) = 0;
 
     virtual std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>&) = 0;
 
     virtual std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() = 0;
 
-    virtual sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) = 0;
-    virtual sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) = 0;
+    virtual sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) = 0;
+    virtual sp<Layer> createEffectLayer(const LayerCreationArgs& args) = 0;
     virtual std::unique_ptr<FrameTracer> createFrameTracer() = 0;
     virtual std::unique_ptr<frametimeline::FrameTimeline> createFrameTimeline(
             std::shared_ptr<TimeStats> timeStats, pid_t surfaceFlingerPid) = 0;
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index 0782fef..c90ae4c 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -46,7 +46,7 @@
 
     std::scoped_lock lock(mListenersMutex);
 
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
 
     listener->onToggled(mEnabled); // notifies of current state
 
@@ -115,8 +115,9 @@
     ATRACE_CALL();
     for (const auto& l : layers) {
         l->traverseInZOrder(LayerVector::StateSet::Drawing, [this](Layer* layer) {
-            addSurfaceCreationLocked(createTraceIncrementLocked(), layer);
-            addInitialSurfaceStateLocked(createTraceIncrementLocked(), layer);
+            addSurfaceCreationLocked(createTraceIncrementLocked(), sp<Layer>::fromExisting(layer));
+            addInitialSurfaceStateLocked(createTraceIncrementLocked(),
+                                         sp<Layer>::fromExisting(layer));
         });
     }
 }
@@ -126,7 +127,6 @@
 {
     Transaction* transaction(increment->mutable_transaction());
     const uint32_t layerFlags = layer->getTransactionFlags();
-    transaction->set_synchronous(layerFlags & BnSurfaceComposer::eSynchronous);
     transaction->set_animation(layerFlags & BnSurfaceComposer::eAnimation);
 
     const int32_t layerId(getLayerId(layer));
@@ -134,8 +134,6 @@
                       layer->mDrawingState.transform.ty());
     addDepthLocked(transaction, layerId, layer->mDrawingState.z);
     addAlphaLocked(transaction, layerId, layer->mDrawingState.color.a);
-    addTransparentRegionLocked(transaction, layerId,
-                               layer->mDrawingState.activeTransparentRegion_legacy);
     addLayerStackLocked(transaction, layerId, layer->mDrawingState.layerStack);
     addCropLocked(transaction, layerId, layer->mDrawingState.crop);
     addCornerRadiusLocked(transaction, layerId, layer->mDrawingState.cornerRadius);
@@ -419,9 +417,6 @@
     if (state.what & layer_state_t::eLayerChanged) {
         addDepthLocked(transaction, layerId, state.z);
     }
-    if (state.what & layer_state_t::eSizeChanged) {
-        addSizeLocked(transaction, layerId, state.w, state.h);
-    }
     if (state.what & layer_state_t::eAlphaChanged) {
         addAlphaLocked(transaction, layerId, state.alpha);
     }
@@ -499,7 +494,6 @@
         const Vector<DisplayState>& changedDisplays, uint32_t transactionFlags, int originPid,
         int originUid, uint64_t transactionId) {
     Transaction* transaction(increment->mutable_transaction());
-    transaction->set_synchronous(transactionFlags & BnSurfaceComposer::eSynchronous);
     transaction->set_animation(transactionFlags & BnSurfaceComposer::eAnimation);
     setTransactionOriginLocked(transaction, originPid, originUid);
     transaction->set_id(transactionId);
@@ -521,8 +515,6 @@
     SurfaceCreation* creation(increment->mutable_surface_creation());
     creation->set_id(getLayerId(layer));
     creation->set_name(layer->getName());
-    creation->set_w(layer->mDrawingState.active_legacy.w);
-    creation->set_h(layer->mDrawingState.active_legacy.h);
 }
 
 void SurfaceInterceptor::addSurfaceDeletionLocked(Increment* increment,
diff --git a/services/surfaceflinger/TimeStats/TimeStats.h b/services/surfaceflinger/TimeStats/TimeStats.h
index 7a159b8..61d7c22 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.h
+++ b/services/surfaceflinger/TimeStats/TimeStats.h
@@ -34,6 +34,8 @@
 
 #include <scheduler/Fps.h>
 
+using android::gui::GameMode;
+using android::gui::LayerMetadata;
 using namespace android::surfaceflinger;
 
 namespace android {
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
index 237ae8d..60aa810 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
+++ b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
@@ -24,6 +24,9 @@
 #include <unordered_map>
 #include <vector>
 
+using android::gui::GameMode;
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace surfaceflinger {
 
diff --git a/services/surfaceflinger/Tracing/LayerTracing.cpp b/services/surfaceflinger/Tracing/LayerTracing.cpp
index 49554c7..566d553 100644
--- a/services/surfaceflinger/Tracing/LayerTracing.cpp
+++ b/services/surfaceflinger/Tracing/LayerTracing.cpp
@@ -89,6 +89,9 @@
     LayersTraceFileProto fileProto;
     fileProto.set_magic_number(uint64_t(LayersTraceFileProto_MagicNumber_MAGIC_NUMBER_H) << 32 |
                                LayersTraceFileProto_MagicNumber_MAGIC_NUMBER_L);
+    auto timeOffsetNs = static_cast<std::uint64_t>(systemTime(SYSTEM_TIME_REALTIME) -
+                                                   systemTime(SYSTEM_TIME_MONOTONIC));
+    fileProto.set_real_to_elapsed_time_offset_nanos(timeOffsetNs);
     return fileProto;
 }
 
@@ -98,7 +101,7 @@
     mBuffer->dump(result);
 }
 
-void LayerTracing::notify(bool visibleRegionDirty, int64_t time) {
+void LayerTracing::notify(bool visibleRegionDirty, int64_t time, int64_t vsyncId) {
     std::scoped_lock lock(mTraceLock);
     if (!mEnabled) {
         return;
@@ -129,6 +132,7 @@
         entry.set_excludes_composition_state(true);
     }
     mFlinger.dumpDisplayProto(entry);
+    entry.set_vsync_id(vsyncId);
     mBuffer->emplace(std::move(entry));
 }
 
diff --git a/services/surfaceflinger/Tracing/LayerTracing.h b/services/surfaceflinger/Tracing/LayerTracing.h
index 88a19ec..e73dac6 100644
--- a/services/surfaceflinger/Tracing/LayerTracing.h
+++ b/services/surfaceflinger/Tracing/LayerTracing.h
@@ -47,7 +47,7 @@
     bool isEnabled() const;
     status_t writeToFile();
     LayersTraceFileProto createTraceFileProto() const;
-    void notify(bool visibleRegionDirty, int64_t time);
+    void notify(bool visibleRegionDirty, int64_t time, int64_t vsyncId);
 
     enum : uint32_t {
         TRACE_INPUT = 1 << 1,
diff --git a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
index a73eccf..dcc529e 100644
--- a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
+++ b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <gui/SurfaceComposerClient.h>
+#include <ui/Fence.h>
 #include <ui/Rect.h>
 
 #include "LayerProtoHelper.h"
@@ -87,10 +88,7 @@
     if (layer.what & layer_state_t::eLayerChanged) {
         proto.set_z(layer.z);
     }
-    if (layer.what & layer_state_t::eSizeChanged) {
-        proto.set_w(layer.w);
-        proto.set_h(layer.h);
-    }
+
     if (layer.what & layer_state_t::eLayerStackChanged) {
         proto.set_layer_stack(layer.layerStack.id);
     }
@@ -375,10 +373,6 @@
     if (proto.what() & layer_state_t::eLayerChanged) {
         layer.z = proto.z();
     }
-    if (proto.what() & layer_state_t::eSizeChanged) {
-        layer.w = proto.w();
-        layer.h = proto.h();
-    }
     if (proto.what() & layer_state_t::eLayerStackChanged) {
         layer.layerStack.id = proto.layer_stack();
     }
@@ -456,9 +450,9 @@
             layer.parentSurfaceControlForChild = nullptr;
         } else {
             layer.parentSurfaceControlForChild =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(),
-                                       mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
-                                       nullptr, static_cast<int32_t>(layerId));
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
+                                             static_cast<int32_t>(layerId));
         }
     }
     if (proto.what() & layer_state_t::eRelativeLayerChanged) {
@@ -467,9 +461,9 @@
             layer.relativeLayerSurfaceControl = nullptr;
         } else {
             layer.relativeLayerSurfaceControl =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(),
-                                       mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
-                                       nullptr, static_cast<int32_t>(layerId));
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(),
+                                             mMapper->getLayerHandle(static_cast<int32_t>(layerId)),
+                                             static_cast<int32_t>(layerId));
         }
         layer.z = proto.z();
     }
@@ -497,8 +491,13 @@
         inputInfo.replaceTouchableRegionWithCrop =
                 windowInfoProto.replace_touchable_region_with_crop();
         int64_t layerId = windowInfoProto.crop_layer_id();
-        inputInfo.touchableRegionCropHandle =
-                mMapper->getLayerHandle(static_cast<int32_t>(layerId));
+        if (layerId != -1) {
+            inputInfo.touchableRegionCropHandle =
+                    mMapper->getLayerHandle(static_cast<int32_t>(layerId));
+        } else {
+            inputInfo.touchableRegionCropHandle = wp<IBinder>();
+        }
+
         layer.windowInfoHandle = sp<gui::WindowInfoHandle>::make(inputInfo);
     }
     if (proto.what() & layer_state_t::eBackgroundColorChanged) {
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.cpp b/services/surfaceflinger/Tracing/TransactionTracing.cpp
index 6381758..cb5320b 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.cpp
+++ b/services/surfaceflinger/Tracing/TransactionTracing.cpp
@@ -134,6 +134,9 @@
     proto::TransactionTraceFile proto;
     proto.set_magic_number(uint64_t(proto::TransactionTraceFile_MagicNumber_MAGIC_NUMBER_H) << 32 |
                            proto::TransactionTraceFile_MagicNumber_MAGIC_NUMBER_L);
+    auto timeOffsetNs = static_cast<std::uint64_t>(systemTime(SYSTEM_TIME_REALTIME) -
+                                                   systemTime(SYSTEM_TIME_MONOTONIC));
+    proto.set_real_to_elapsed_time_offset_nanos(timeOffsetNs);
     return proto;
 }
 
@@ -152,17 +155,33 @@
     mTransactionQueue.push(state);
 }
 
-void TransactionTracing::addCommittedTransactions(std::vector<TransactionState>& transactions,
-                                                  int64_t vsyncId) {
+TransactionTracing::CommittedTransactions&
+TransactionTracing::findOrCreateCommittedTransactionRecord(int64_t vsyncId) {
+    for (auto& pendingTransaction : mPendingTransactions) {
+        if (pendingTransaction.vsyncId == vsyncId) {
+            return pendingTransaction;
+        }
+    }
+
     CommittedTransactions committedTransactions;
     committedTransactions.vsyncId = vsyncId;
     committedTransactions.timestamp = systemTime();
+    mPendingTransactions.emplace_back(committedTransactions);
+    return mPendingTransactions.back();
+}
+
+void TransactionTracing::onLayerAddedToDrawingState(int layerId, int64_t vsyncId) {
+    CommittedTransactions& committedTransactions = findOrCreateCommittedTransactionRecord(vsyncId);
+    committedTransactions.createdLayerIds.emplace_back(layerId);
+}
+
+void TransactionTracing::addCommittedTransactions(std::vector<TransactionState>& transactions,
+                                                  int64_t vsyncId) {
+    CommittedTransactions& committedTransactions = findOrCreateCommittedTransactionRecord(vsyncId);
     committedTransactions.transactionIds.reserve(transactions.size());
     for (const auto& transaction : transactions) {
         committedTransactions.transactionIds.emplace_back(transaction.id);
     }
-
-    mPendingTransactions.emplace_back(committedTransactions);
     tryPushToTracingThread();
 }
 
@@ -235,15 +254,24 @@
     for (const CommittedTransactions& entry : committedTransactions) {
         entryProto.set_elapsed_realtime_nanos(entry.timestamp);
         entryProto.set_vsync_id(entry.vsyncId);
-        entryProto.mutable_added_layers()->Reserve(static_cast<int32_t>(mCreatedLayers.size()));
-        for (auto& newLayer : mCreatedLayers) {
-            entryProto.mutable_added_layers()->Add(std::move(newLayer));
+        entryProto.mutable_added_layers()->Reserve(
+                static_cast<int32_t>(entry.createdLayerIds.size()));
+
+        for (const int32_t& id : entry.createdLayerIds) {
+            auto it = mCreatedLayers.find(id);
+            if (it != mCreatedLayers.end()) {
+                entryProto.mutable_added_layers()->Add(std::move(it->second));
+                mCreatedLayers.erase(it);
+            } else {
+                ALOGW("Could not created layer with id %d", id);
+            }
         }
+
         entryProto.mutable_removed_layers()->Reserve(static_cast<int32_t>(removedLayers.size()));
         for (auto& removedLayer : removedLayers) {
             entryProto.mutable_removed_layers()->Add(removedLayer);
+            mCreatedLayers.erase(removedLayer);
         }
-        mCreatedLayers.clear();
         entryProto.mutable_transactions()->Reserve(
                 static_cast<int32_t>(entry.transactionIds.size()));
         for (const uint64_t& id : entry.transactionIds) {
@@ -256,6 +284,14 @@
             }
         }
 
+        entryProto.mutable_removed_layer_handles()->Reserve(
+                static_cast<int32_t>(mRemovedLayerHandles.size()));
+        for (auto& [handle, layerId] : mRemovedLayerHandles) {
+            entryProto.mutable_removed_layer_handles()->Add(layerId);
+            mLayerHandles.erase(handle);
+        }
+        mRemovedLayerHandles.clear();
+
         std::string serializedProto;
         entryProto.SerializeToString(&serializedProto);
         entryProto.Clear();
@@ -263,13 +299,6 @@
         removedEntries.reserve(removedEntries.size() + entries.size());
         removedEntries.insert(removedEntries.end(), std::make_move_iterator(entries.begin()),
                               std::make_move_iterator(entries.end()));
-
-        entryProto.mutable_removed_layer_handles()->Reserve(
-                static_cast<int32_t>(mRemovedLayerHandles.size()));
-        for (auto& handle : mRemovedLayerHandles) {
-            entryProto.mutable_removed_layer_handles()->Add(handle);
-        }
-        mRemovedLayerHandles.clear();
     }
 
     proto::TransactionTraceEntry removedEntryProto;
@@ -304,7 +333,7 @@
         ALOGW("Duplicate handles found. %p", layerHandle);
     }
     mLayerHandles[layerHandle] = layerId;
-    mCreatedLayers.push_back(mProtoParser.toProto(args));
+    mCreatedLayers[layerId] = mProtoParser.toProto(args);
 }
 
 void TransactionTracing::onMirrorLayerAdded(BBinder* layerHandle, int layerId,
@@ -315,7 +344,7 @@
         ALOGW("Duplicate handles found. %p", layerHandle);
     }
     mLayerHandles[layerHandle] = layerId;
-    mCreatedLayers.emplace_back(mProtoParser.toProto(args));
+    mCreatedLayers[layerId] = mProtoParser.toProto(args);
 }
 
 void TransactionTracing::onLayerRemoved(int32_t layerId) {
@@ -330,9 +359,7 @@
         ALOGW("handle not found. %p", layerHandle);
         return;
     }
-
-    mRemovedLayerHandles.push_back(it->second);
-    mLayerHandles.erase(it);
+    mRemovedLayerHandles.emplace_back(layerHandle, it->second);
 }
 
 void TransactionTracing::tryPushToTracingThread() {
@@ -376,10 +403,15 @@
         }
     }
 
+    for (const int32_t removedLayerHandleId : removedEntry.removed_layer_handles()) {
+        mRemovedLayerHandlesAtStart.insert(removedLayerHandleId);
+    }
+
     // Clean up stale starting states since the layer has been removed and the buffer does not
     // contain any references to the layer.
     for (const int32_t removedLayerId : removedEntry.removed_layers()) {
         mStartingStates.erase(removedLayerId);
+        mRemovedLayerHandlesAtStart.erase(removedLayerId);
     }
 }
 
@@ -401,6 +433,12 @@
     transactionProto.set_vsync_id(0);
     transactionProto.set_post_time(mStartingTimestamp);
     entryProto->mutable_transactions()->Add(std::move(transactionProto));
+
+    entryProto->mutable_removed_layer_handles()->Reserve(
+            static_cast<int32_t>(mRemovedLayerHandlesAtStart.size()));
+    for (const int32_t removedLayerHandleId : mRemovedLayerHandlesAtStart) {
+        entryProto->mutable_removed_layer_handles()->Add(removedLayerHandleId);
+    }
 }
 
 proto::TransactionTraceFile TransactionTracing::writeToProto() {
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.h b/services/surfaceflinger/Tracing/TransactionTracing.h
index 4c291f9..ae01d3c 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.h
+++ b/services/surfaceflinger/Tracing/TransactionTracing.h
@@ -64,6 +64,7 @@
                             int mirrorFromId);
     void onLayerRemoved(int layerId);
     void onHandleRemoved(BBinder* layerHandle);
+    void onLayerAddedToDrawingState(int layerId, int64_t vsyncId);
     void dump(std::string&) const;
     static constexpr auto CONTINUOUS_TRACING_BUFFER_SIZE = 512 * 1024;
     static constexpr auto ACTIVE_TRACING_BUFFER_SIZE = 100 * 1024 * 1024;
@@ -81,11 +82,13 @@
             GUARDED_BY(mTraceLock);
     LocklessStack<proto::TransactionState> mTransactionQueue;
     nsecs_t mStartingTimestamp GUARDED_BY(mTraceLock);
-    std::vector<proto::LayerCreationArgs> mCreatedLayers GUARDED_BY(mTraceLock);
+    std::unordered_map<int, proto::LayerCreationArgs> mCreatedLayers GUARDED_BY(mTraceLock);
     std::unordered_map<BBinder* /* layerHandle */, int32_t /* layerId */> mLayerHandles
             GUARDED_BY(mTraceLock);
-    std::vector<int32_t /* layerId */> mRemovedLayerHandles GUARDED_BY(mTraceLock);
+    std::vector<std::pair<BBinder* /* layerHandle */, int32_t /* layerId */>> mRemovedLayerHandles
+            GUARDED_BY(mTraceLock);
     std::map<int32_t /* layerId */, TracingLayerState> mStartingStates GUARDED_BY(mTraceLock);
+    std::set<int32_t /* layerId */> mRemovedLayerHandlesAtStart GUARDED_BY(mTraceLock);
     TransactionProtoParser mProtoParser GUARDED_BY(mTraceLock);
     // Parses the transaction to proto without holding any tracing locks so we can generate proto
     // in the binder thread without any contention.
@@ -100,6 +103,7 @@
     std::condition_variable mTransactionsAddedToBufferCv;
     struct CommittedTransactions {
         std::vector<uint64_t> transactionIds;
+        std::vector<int32_t> createdLayerIds;
         int64_t vsyncId;
         int64_t timestamp;
     };
@@ -117,7 +121,7 @@
     void tryPushToTracingThread() EXCLUDES(mMainThreadLock);
     void addStartingStateToProtoLocked(proto::TransactionTraceFile& proto) REQUIRES(mTraceLock);
     void updateStartingStateLocked(const proto::TransactionTraceEntry& entry) REQUIRES(mTraceLock);
-
+    CommittedTransactions& findOrCreateCommittedTransactionRecord(int64_t vsyncId);
     // TEST
     // Wait until all the committed transactions for the specified vsync id are added to the buffer.
     void flush(int64_t vsyncId) EXCLUDES(mMainThreadLock);
diff --git a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
index cf44eff..8817178 100644
--- a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
+++ b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
@@ -16,6 +16,7 @@
 
 #undef LOG_TAG
 #define LOG_TAG "LayerTraceGenerator"
+//#define LOG_NDEBUG 0
 
 #include <TestableSurfaceFlinger.h>
 #include <Tracing/TransactionProtoParser.h>
@@ -47,42 +48,29 @@
     }
 
     sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
+        return sp<android::impl::SurfaceInterceptor>::make();
     }
 
     sp<StartPropertySetThread> createStartPropertySetThread(
             bool /* timestampPropertyValue */) override {
-        return nullptr;
+        return sp<StartPropertySetThread>();
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs& /* creationArgs */) override {
-        return nullptr;
+        return sp<DisplayDevice>();
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t /* width */, uint32_t /* height */,
                                           PixelFormat /* format */, uint32_t /* layerCount */,
                                           uint64_t /* usage */,
                                           std::string /* requestorName */) override {
-        return nullptr;
+        return sp<GraphicBuffer>();
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer>* /* outProducer */,
                            sp<IGraphicBufferConsumer>* /* outConsumer */,
                            bool /* consumerIsSurfaceFlinger */) override {}
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(
-            const sp<IGraphicBufferProducer>& /* producer */,
-            const sp<SurfaceFlinger>& /* flinger */, const wp<Layer>& /* layer */) override {
-        return nullptr;
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(
-            const sp<IGraphicBufferConsumer>& /* consumer */,
-            renderengine::RenderEngine& /* renderEngine */, uint32_t /* textureName */,
-            Layer* /* layer */) override {
-        return nullptr;
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>& /* producer */) override {
         return nullptr;
@@ -92,21 +80,11 @@
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs& args) {
-        return sp<ContainerLayer>::make(args);
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs& args) {
+        return sp<Layer>::make(args);
     }
 
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs& args) {
-        return new BufferStateLayer(args);
-    }
-
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs& args) {
-        return new EffectLayer(args);
-    }
-
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
+    sp<Layer> createEffectLayer(const LayerCreationArgs& args) { return sp<Layer>::make(args); }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
         return std::make_unique<testing::NiceMock<mock::FrameTracer>>();
@@ -142,6 +120,14 @@
         transact(1033, data, &reply, 0 /* flags */);
     }
 
+    void setLayerTraceSize(int32_t sizeInKb) {
+        Parcel data;
+        Parcel reply;
+        data.writeInterfaceToken(String16("android.ui.ISurfaceComposer"));
+        data.writeInt32(sizeInKb);
+        transact(1029, data, &reply, 0 /* flags */);
+    }
+
     void startLayerTracing(int64_t traceStartTime) {
         Parcel data;
         Parcel reply;
@@ -181,11 +167,12 @@
 bool LayerTraceGenerator::generate(const proto::TransactionTraceFile& traceFile,
                                    const char* outputLayersTracePath) {
     if (traceFile.entry_size() == 0) {
+        ALOGD("Trace file is empty");
         return false;
     }
 
     Factory mFactory;
-    sp<MockSurfaceFlinger> flinger = new MockSurfaceFlinger(mFactory);
+    sp<MockSurfaceFlinger> flinger = sp<MockSurfaceFlinger>::make(mFactory);
     TestableSurfaceFlinger mFlinger(flinger);
     mFlinger.setupRenderEngine(
             std::make_unique<testing::NiceMock<renderengine::mock::RenderEngine>>());
@@ -205,21 +192,21 @@
     mFlinger.mutableMaxRenderTargetSize() = 16384;
 
     flinger->setLayerTracingFlags(LayerTracing::TRACE_INPUT | LayerTracing::TRACE_BUFFERS);
+    flinger->setLayerTraceSize(512 * 1024); // 512MB buffer size
     flinger->startLayerTracing(traceFile.entry(0).elapsed_realtime_nanos());
     std::unique_ptr<TraceGenFlingerDataMapper> mapper =
             std::make_unique<TraceGenFlingerDataMapper>();
     TraceGenFlingerDataMapper* dataMapper = mapper.get();
     TransactionProtoParser parser(std::move(mapper));
 
-    nsecs_t frameTime;
-    int64_t vsyncId;
     ALOGD("Generating %d transactions...", traceFile.entry_size());
     for (int i = 0; i < traceFile.entry_size(); i++) {
         proto::TransactionTraceEntry entry = traceFile.entry(i);
         ALOGV("    Entry %04d/%04d for time=%" PRId64 " vsyncid=%" PRId64
-              " layers +%d -%d transactions=%d",
+              " layers +%d -%d handles -%d transactions=%d",
               i, traceFile.entry_size(), entry.elapsed_realtime_nanos(), entry.vsync_id(),
-              entry.added_layers_size(), entry.removed_layers_size(), entry.transactions_size());
+              entry.added_layers_size(), entry.removed_layers_size(),
+              entry.removed_layer_handles_size(), entry.transactions_size());
 
         for (int j = 0; j < entry.added_layers_size(); j++) {
             // create layers
@@ -238,7 +225,7 @@
                     (dataMapper->mLayerHandles.find(tracingArgs.parentId) ==
                      dataMapper->mLayerHandles.end())) {
                     args.addToRoot = false;
-                } else {
+                } else if (tracingArgs.parentId != -1) {
                     parentHandle = dataMapper->getLayerHandle(tracingArgs.parentId);
                 }
                 mFlinger.createLayer(args, &outHandle, parentHandle, &outLayerId,
@@ -265,13 +252,13 @@
                                          transaction.listenerCallbacks, transaction.id);
         }
 
+        const auto frameTime = TimePoint::fromNs(entry.elapsed_realtime_nanos());
+        const auto vsyncId = VsyncId{entry.vsync_id()};
+        mFlinger.commit(frameTime, vsyncId);
+
         for (int j = 0; j < entry.removed_layer_handles_size(); j++) {
             dataMapper->mLayerHandles.erase(entry.removed_layer_handles(j));
         }
-
-        frameTime = entry.elapsed_realtime_nanos();
-        vsyncId = entry.vsync_id();
-        mFlinger.commit(frameTime, vsyncId);
     }
 
     flinger->stopLayerTracing(outputLayersTracePath);
@@ -280,4 +267,4 @@
     return true;
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.cpp b/services/surfaceflinger/TransactionCallbackInvoker.cpp
index d2c2e29..e5de759 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.cpp
+++ b/services/surfaceflinger/TransactionCallbackInvoker.cpp
@@ -178,8 +178,8 @@
     return NO_ERROR;
 }
 
-void TransactionCallbackInvoker::addPresentFence(const sp<Fence>& presentFence) {
-    mPresentFence = presentFence;
+void TransactionCallbackInvoker::addPresentFence(sp<Fence> presentFence) {
+    mPresentFence = std::move(presentFence);
 }
 
 void TransactionCallbackInvoker::sendCallbacks(bool onCommitOnly) {
diff --git a/services/surfaceflinger/TransactionCallbackInvoker.h b/services/surfaceflinger/TransactionCallbackInvoker.h
index 81d79f0..23ea7a5 100644
--- a/services/surfaceflinger/TransactionCallbackInvoker.h
+++ b/services/surfaceflinger/TransactionCallbackInvoker.h
@@ -26,10 +26,10 @@
 
 #include <android-base/thread_annotations.h>
 #include <binder/IBinder.h>
-#include <compositionengine/FenceResult.h>
 #include <ftl/future.h>
 #include <gui/ITransactionCompletedListener.h>
 #include <ui/Fence.h>
+#include <ui/FenceResult.h>
 
 namespace android {
 
@@ -70,7 +70,7 @@
     status_t registerUnpresentedCallbackHandle(const sp<CallbackHandle>& handle);
     void addEmptyTransaction(const ListenerCallbacks& listenerCallbacks);
 
-    void addPresentFence(const sp<Fence>& presentFence);
+    void addPresentFence(sp<Fence>);
 
     void sendCallbacks(bool onCommitOnly);
     void clearCompletedTransactions() {
diff --git a/services/surfaceflinger/TransactionState.h b/services/surfaceflinger/TransactionState.h
index 900d566..95eb503 100644
--- a/services/surfaceflinger/TransactionState.h
+++ b/services/surfaceflinger/TransactionState.h
@@ -26,8 +26,6 @@
 
 namespace android {
 
-class CountDownLatch;
-
 struct TransactionState {
     TransactionState() = default;
 
@@ -97,51 +95,7 @@
     int originPid;
     int originUid;
     uint64_t id;
-    std::shared_ptr<CountDownLatch> transactionCommittedSignal;
-    int64_t queueTime = 0;
     bool sentFenceTimeoutWarning = false;
 };
 
-class CountDownLatch {
-public:
-    enum {
-        eSyncTransaction = 1 << 0,
-        eSyncInputWindows = 1 << 1,
-    };
-    explicit CountDownLatch(uint32_t flags) : mFlags(flags) {}
-
-    // True if there is no waiting condition after count down.
-    bool countDown(uint32_t flag) {
-        std::unique_lock<std::mutex> lock(mMutex);
-        if (mFlags == 0) {
-            return true;
-        }
-        mFlags &= ~flag;
-        if (mFlags == 0) {
-            mCountDownComplete.notify_all();
-            return true;
-        }
-        return false;
-    }
-
-    // Return true if triggered.
-    bool wait_until(const std::chrono::nanoseconds& timeout) const {
-        std::unique_lock<std::mutex> lock(mMutex);
-        const auto untilTime = std::chrono::system_clock::now() + timeout;
-        while (mFlags != 0) {
-            // Conditional variables can be woken up sporadically, so we check count
-            // to verify the wakeup was triggered by |countDown|.
-            if (std::cv_status::timeout == mCountDownComplete.wait_until(lock, untilTime)) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-private:
-    uint32_t mFlags;
-    mutable std::condition_variable mCountDownComplete;
-    mutable std::mutex mMutex;
-};
-
 } // namespace android
diff --git a/services/surfaceflinger/TunnelModeEnabledReporter.cpp b/services/surfaceflinger/TunnelModeEnabledReporter.cpp
index 4497caf..bc9b870 100644
--- a/services/surfaceflinger/TunnelModeEnabledReporter.cpp
+++ b/services/surfaceflinger/TunnelModeEnabledReporter.cpp
@@ -59,7 +59,7 @@
 
 void TunnelModeEnabledReporter::addListener(const sp<gui::ITunnelModeEnabledListener>& listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
     bool tunnelModeEnabled = false;
     {
         std::scoped_lock lock(mMutex);
diff --git a/services/surfaceflinger/Utils/Dumper.h b/services/surfaceflinger/Utils/Dumper.h
new file mode 100644
index 0000000..3761f9e
--- /dev/null
+++ b/services/surfaceflinger/Utils/Dumper.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <optional>
+#include <string>
+#include <string_view>
+
+namespace android::utils {
+
+// Dumps variables by appending their name and value to the output string. A variable is formatted
+// as "name=value". If the name or value is empty, the format is "value" or "name=", respectively.
+// A value of user-defined type T is stringified via `std::string to_string(const T&)`, which must
+// be defined in the same namespace as T per the rules of ADL (argument-dependent lookup).
+//
+// TODO(b/249828573): Consolidate with <compositionengine/impl/DumpHelpers.h>
+class Dumper {
+public:
+    explicit Dumper(std::string& out) : mOut(out) {}
+
+    void eol() { mOut += '\n'; }
+
+    void dump(std::string_view name, std::string_view value = {}) {
+        using namespace std::string_view_literals;
+
+        for (int i = mIndent; i-- > 0;) mOut += "    "sv;
+        mOut += name;
+        if (!name.empty()) mOut += '=';
+        mOut += value;
+        eol();
+    }
+
+    void dump(std::string_view name, bool value) {
+        using namespace std::string_view_literals;
+        dump(name, value ? "true"sv : "false"sv);
+    }
+
+    template <typename T>
+    void dump(std::string_view name, const std::optional<T>& value) {
+        using namespace std::string_view_literals;
+        using std::to_string;
+        dump(name, value ? to_string(*value) : "nullopt"sv);
+    }
+
+    struct Indent {
+        explicit Indent(Dumper& dumper) : dumper(dumper) { dumper.mIndent++; }
+        ~Indent() { dumper.mIndent--; }
+
+        Dumper& dumper;
+    };
+
+private:
+    std::string& mOut;
+    int mIndent = 0;
+};
+
+} // namespace android::utils
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.cpp b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
index 30b9d8f..a1313e3 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.cpp
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
@@ -26,25 +26,43 @@
 using gui::IWindowInfosListener;
 using gui::WindowInfo;
 
-struct WindowInfosListenerInvoker::WindowInfosReportedListener
-      : gui::BnWindowInfosReportedListener {
-    explicit WindowInfosReportedListener(WindowInfosListenerInvoker& invoker) : mInvoker(invoker) {}
+struct WindowInfosListenerInvoker::WindowInfosReportedListener : gui::BnWindowInfosReportedListener,
+                                                                 DeathRecipient {
+    explicit WindowInfosReportedListener(
+            size_t callbackCount,
+            const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                     SpHash<gui::IWindowInfosReportedListener>>&
+                    windowInfosReportedListeners)
+          : mCallbacksPending(callbackCount),
+            mWindowInfosReportedListeners(windowInfosReportedListeners) {}
 
     binder::Status onWindowInfosReported() override {
-        mInvoker.windowInfosReported();
+        // TODO(b/222421815) There could potentially be callbacks that we don't need to wait for
+        // before calling the WindowInfosReportedListeners coming from InputWindowCommands. Filter
+        // the list of callbacks down to those from system server.
+        if (--mCallbacksPending == 0) {
+            for (const auto& listener : mWindowInfosReportedListeners) {
+                sp<IBinder> asBinder = IInterface::asBinder(listener);
+                if (asBinder->isBinderAlive()) {
+                    listener->onWindowInfosReported();
+                }
+            }
+        }
         return binder::Status::ok();
     }
 
-    WindowInfosListenerInvoker& mInvoker;
-};
+    void binderDied(const wp<IBinder>&) { onWindowInfosReported(); }
 
-WindowInfosListenerInvoker::WindowInfosListenerInvoker(SurfaceFlinger& flinger)
-      : mFlinger(flinger),
-        mWindowInfosReportedListener(sp<WindowInfosReportedListener>::make(*this)) {}
+private:
+    std::atomic<size_t> mCallbacksPending;
+    std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                       SpHash<gui::IWindowInfosReportedListener>>
+            mWindowInfosReportedListeners;
+};
 
 void WindowInfosListenerInvoker::addWindowInfosListener(sp<IWindowInfosListener> listener) {
     sp<IBinder> asBinder = IInterface::asBinder(listener);
-    asBinder->linkToDeath(this);
+    asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
 
     std::scoped_lock lock(mListenersMutex);
     mWindowInfosListeners.try_emplace(asBinder, std::move(listener));
@@ -55,7 +73,7 @@
     sp<IBinder> asBinder = IInterface::asBinder(listener);
 
     std::scoped_lock lock(mListenersMutex);
-    asBinder->unlinkToDeath(this);
+    asBinder->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
     mWindowInfosListeners.erase(asBinder);
 }
 
@@ -64,9 +82,11 @@
     mWindowInfosListeners.erase(who);
 }
 
-void WindowInfosListenerInvoker::windowInfosChanged(const std::vector<WindowInfo>& windowInfos,
-                                                    const std::vector<DisplayInfo>& displayInfos,
-                                                    bool shouldSync) {
+void WindowInfosListenerInvoker::windowInfosChanged(
+        const std::vector<WindowInfo>& windowInfos, const std::vector<DisplayInfo>& displayInfos,
+        const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                 SpHash<gui::IWindowInfosReportedListener>>&
+                windowInfosReportedListeners) {
     ftl::SmallVector<const sp<IWindowInfosListener>, kStaticCapacity> windowInfosListeners;
     {
         std::scoped_lock lock(mListenersMutex);
@@ -75,18 +95,25 @@
         }
     }
 
-    mCallbacksPending = windowInfosListeners.size();
-
+    auto windowInfosReportedListener = windowInfosReportedListeners.empty()
+            ? nullptr
+            : sp<WindowInfosReportedListener>::make(windowInfosListeners.size(),
+                                                    windowInfosReportedListeners);
     for (const auto& listener : windowInfosListeners) {
-        listener->onWindowInfosChanged(windowInfos, displayInfos,
-                                       shouldSync ? mWindowInfosReportedListener : nullptr);
-    }
-}
+        sp<IBinder> asBinder = IInterface::asBinder(listener);
 
-void WindowInfosListenerInvoker::windowInfosReported() {
-    mCallbacksPending--;
-    if (mCallbacksPending == 0) {
-        mFlinger.windowInfosReported();
+        // linkToDeath is used here to ensure that the windowInfosReportedListeners
+        // are called even if one of the windowInfosListeners dies before
+        // calling onWindowInfosReported.
+        if (windowInfosReportedListener) {
+            asBinder->linkToDeath(windowInfosReportedListener);
+        }
+
+        auto status = listener->onWindowInfosChanged(windowInfos, displayInfos,
+                                                     windowInfosReportedListener);
+        if (windowInfosReportedListener && !status.isOk()) {
+            windowInfosReportedListener->onWindowInfosReported();
+        }
     }
 }
 
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.h b/services/surfaceflinger/WindowInfosListenerInvoker.h
index d8d8d0f..a1d66a1 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.h
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.h
@@ -29,22 +29,21 @@
 
 class WindowInfosListenerInvoker : public IBinder::DeathRecipient {
 public:
-    explicit WindowInfosListenerInvoker(SurfaceFlinger&);
-
     void addWindowInfosListener(sp<gui::IWindowInfosListener>);
     void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
 
     void windowInfosChanged(const std::vector<gui::WindowInfo>&,
-                            const std::vector<gui::DisplayInfo>&, bool shouldSync);
+                            const std::vector<gui::DisplayInfo>&,
+                            const std::unordered_set<sp<gui::IWindowInfosReportedListener>,
+                                                     SpHash<gui::IWindowInfosReportedListener>>&
+                                    windowInfosReportedListeners);
 
 protected:
     void binderDied(const wp<IBinder>& who) override;
 
 private:
     struct WindowInfosReportedListener;
-    void windowInfosReported();
 
-    SurfaceFlinger& mFlinger;
     std::mutex mListenersMutex;
 
     static constexpr size_t kStaticCapacity = 3;
@@ -52,7 +51,6 @@
             mWindowInfosListeners GUARDED_BY(mListenersMutex);
 
     sp<gui::IWindowInfosReportedListener> mWindowInfosReportedListener;
-    std::atomic<size_t> mCallbacksPending{0};
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/fuzzer/Android.bp b/services/surfaceflinger/fuzzer/Android.bp
index b0b6bf1..7350e09 100644
--- a/services/surfaceflinger/fuzzer/Android.bp
+++ b/services/surfaceflinger/fuzzer/Android.bp
@@ -127,3 +127,13 @@
         "surfaceflinger_layer_fuzzer.cpp",
     ],
 }
+
+cc_fuzz {
+    name: "surfaceflinger_frametracer_fuzzer",
+    defaults: [
+        "surfaceflinger_fuzz_defaults",
+    ],
+    srcs: [
+        "surfaceflinger_frametracer_fuzzer.cpp",
+    ],
+}
diff --git a/services/surfaceflinger/fuzzer/README.md b/services/surfaceflinger/fuzzer/README.md
index 78a7596..a06c41b 100644
--- a/services/surfaceflinger/fuzzer/README.md
+++ b/services/surfaceflinger/fuzzer/README.md
@@ -4,6 +4,7 @@
 + [DisplayHardware](#DisplayHardware)
 + [Scheduler](#Scheduler)
 + [Layer](#Layer)
++ [FrameTracer](#FrameTracer)
 
 # <a name="SurfaceFlinger"></a> Fuzzer for SurfaceFlinger
 
@@ -77,9 +78,8 @@
 Layer supports the following parameters:
 1. Display Connection Types (parameter name: `fakeDisplay`)
 2. State Sets (parameter name: `traverseInZOrder`)
-3. State Subsets (parameter name: `prepareCompositionState`)
-4. Disconnect modes (parameter name: `disconnect`)
-5. Data Spaces (parameter name: `setDataspace`)
+3. Disconnect modes (parameter name: `disconnect`)
+4. Data Spaces (parameter name: `setDataspace`)
 
 You can find the possible values in the fuzzer's source code.
 
@@ -93,3 +93,16 @@
   $ adb sync data
   $ adb shell /data/fuzz/arm64/surfaceflinger_layer_fuzzer/surfaceflinger_layer_fuzzer
 ```
+
+# <a name="FrameTracer"></a> Fuzzer for FrameTracer
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) surfaceflinger_frametracer_fuzzer
+```
+2. To run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/surfaceflinger_frametracer_fuzzer/surfaceflinger_frametracer_fuzzer
+```
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
index a605a2f..fae9165 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_displayhardware_fuzzer.cpp
@@ -116,7 +116,8 @@
 class DisplayHardwareFuzzer {
 public:
     DisplayHardwareFuzzer(const uint8_t* data, size_t size) : mFdp(data, size) {
-        mPhysicalDisplayId = SurfaceComposerClient::getInternalDisplayId().value();
+        mPhysicalDisplayId = SurfaceComposerClient::getInternalDisplayId().value_or(
+                PhysicalDisplayId::fromPort(mFdp.ConsumeIntegral<uint8_t>()));
     };
     void process();
 
@@ -480,8 +481,8 @@
     BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
 
     sp<FramebufferSurface> surface =
-            new FramebufferSurface(mHwc, mPhysicalDisplayId, bqConsumer, getFuzzedSize() /*size*/,
-                                   getFuzzedSize() /*maxSize*/);
+            sp<FramebufferSurface>::make(mHwc, mPhysicalDisplayId, bqConsumer,
+                                         getFuzzedSize() /*size*/, getFuzzedSize() /*maxSize*/);
     surface->beginFrame(mFdp.ConsumeBool());
 
     surface->prepareFrame(mFdp.PickValueInArray(kCompositionTypes));
@@ -497,15 +498,15 @@
     DisplayIdGenerator<HalVirtualDisplayId> mGenerator;
     VirtualDisplayId VirtualDisplayId = mGenerator.generateId().value();
 
-    sp<SurfaceComposerClient> mClient = new SurfaceComposerClient();
+    sp<SurfaceComposerClient> mClient = sp<SurfaceComposerClient>::make();
     sp<SurfaceControl> mSurfaceControl =
             mClient->createSurface(String8("TestSurface"), 100, 100, PIXEL_FORMAT_RGBA_8888,
                                    ISurfaceComposerClient::eFXSurfaceBufferState,
                                    /*parent*/ nullptr);
 
-    sp<BLASTBufferQueue> mBlastBufferQueueAdapter =
-            new BLASTBufferQueue("TestBLASTBufferQueue", mSurfaceControl, 100, 100,
-                                 PIXEL_FORMAT_RGBA_8888);
+    auto mBlastBufferQueueAdapter =
+            sp<BLASTBufferQueue>::make("TestBLASTBufferQueue", mSurfaceControl, 100, 100,
+                                       PIXEL_FORMAT_RGBA_8888);
 
     sp<IGraphicBufferProducer> sink = mBlastBufferQueueAdapter->getIGraphicBufferProducer();
     sp<IGraphicBufferProducer> bqProducer = mBlastBufferQueueAdapter->getIGraphicBufferProducer();
@@ -513,9 +514,9 @@
     BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
     BufferQueue::createBufferQueue(&sink, &bqConsumer);
 
-    sp<VirtualDisplaySurface> surface =
-            new VirtualDisplaySurface(mHwc, VirtualDisplayId, sink, bqProducer, bqConsumer,
-                                      mFdp.ConsumeRandomLengthString().c_str() /*name*/);
+    auto surface =
+            sp<VirtualDisplaySurface>::make(mHwc, VirtualDisplayId, sink, bqProducer, bqConsumer,
+                                            mFdp.ConsumeRandomLengthString().c_str() /*name*/);
 
     surface->beginFrame(mFdp.ConsumeBool());
     surface->prepareFrame(mFdp.PickValueInArray(kCompositionTypes));
@@ -565,7 +566,7 @@
 
     mHwc.getLayerReleaseFence(halDisplayID, layer);
 
-    mHwc.setOutputBuffer(halVirtualDisplayId, sp<Fence>::make().get(), sp<GraphicBuffer>::make());
+    mHwc.setOutputBuffer(halVirtualDisplayId, sp<Fence>::make(), sp<GraphicBuffer>::make());
 
     mHwc.clearReleaseFences(halDisplayID);
 
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp
new file mode 100644
index 0000000..a22a778
--- /dev/null
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_frametracer_fuzzer.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <FrameTracer/FrameTracer.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <perfetto/trace/trace.pb.h>
+
+namespace android::fuzz {
+
+using namespace google::protobuf;
+
+constexpr size_t kMaxStringSize = 100;
+constexpr size_t kMinLayerIds = 1;
+constexpr size_t kMaxLayerIds = 10;
+constexpr int32_t kConfigDuration = 500;
+constexpr int32_t kBufferSize = 1024;
+constexpr int32_t kTimeOffset = 100000;
+
+class FrameTracerFuzzer {
+public:
+    FrameTracerFuzzer(const uint8_t* data, size_t size) : mFdp(data, size) {
+        // Fuzzer is single-threaded, so no need to be thread-safe.
+        static bool wasInitialized = false;
+        if (!wasInitialized) {
+            perfetto::TracingInitArgs args;
+            args.backends = perfetto::kInProcessBackend;
+            perfetto::Tracing::Initialize(args);
+            wasInitialized = true;
+        }
+        mFrameTracer = std::make_unique<android::FrameTracer>();
+    }
+    ~FrameTracerFuzzer() { mFrameTracer.reset(); }
+    void process();
+
+private:
+    std::unique_ptr<perfetto::TracingSession> getTracingSessionForTest();
+    void traceTimestamp();
+    std::vector<int32_t> generateLayerIds(size_t numLayerIds);
+    void traceTimestamp(std::vector<int32_t> layerIds, size_t numLayerIds);
+    void traceFence(std::vector<int32_t> layerIds, size_t numLayerIds);
+    std::unique_ptr<android::FrameTracer> mFrameTracer = nullptr;
+    FuzzedDataProvider mFdp;
+    android::FenceToFenceTimeMap mFenceFactory;
+};
+
+std::unique_ptr<perfetto::TracingSession> FrameTracerFuzzer::getTracingSessionForTest() {
+    perfetto::TraceConfig cfg;
+    cfg.set_duration_ms(kConfigDuration);
+    cfg.add_buffers()->set_size_kb(kBufferSize);
+    auto* dsCfg = cfg.add_data_sources()->mutable_config();
+    dsCfg->set_name(android::FrameTracer::kFrameTracerDataSource);
+
+    auto tracingSession = perfetto::Tracing::NewTrace(perfetto::kInProcessBackend);
+    tracingSession->Setup(cfg);
+    return tracingSession;
+}
+
+std::vector<int32_t> FrameTracerFuzzer::generateLayerIds(size_t numLayerIds) {
+    std::vector<int32_t> layerIds;
+    for (size_t i = 0; i < numLayerIds; ++i) {
+        layerIds.push_back(mFdp.ConsumeIntegral<int32_t>());
+    }
+    return layerIds;
+}
+
+void FrameTracerFuzzer::traceTimestamp(std::vector<int32_t> layerIds, size_t numLayerIds) {
+    int32_t layerId = layerIds.at(mFdp.ConsumeIntegralInRange<size_t>(0, numLayerIds - 1));
+    mFrameTracer->traceTimestamp(layerId, mFdp.ConsumeIntegral<uint64_t>() /*bufferID*/,
+                                 mFdp.ConsumeIntegral<uint64_t>() /*frameNumber*/,
+                                 mFdp.ConsumeIntegral<nsecs_t>() /*timestamp*/,
+                                 android::FrameTracer::FrameEvent::UNSPECIFIED,
+                                 mFdp.ConsumeIntegral<nsecs_t>() /*duration*/);
+}
+
+void FrameTracerFuzzer::traceFence(std::vector<int32_t> layerIds, size_t numLayerIds) {
+    const nsecs_t signalTime = systemTime();
+    const nsecs_t startTime = signalTime + kTimeOffset;
+    auto fence = mFenceFactory.createFenceTimeForTest(android::Fence::NO_FENCE);
+    mFenceFactory.signalAllForTest(android::Fence::NO_FENCE, signalTime);
+    int32_t layerId = layerIds.at(mFdp.ConsumeIntegralInRange<size_t>(0, numLayerIds - 1));
+    mFrameTracer->traceFence(layerId, mFdp.ConsumeIntegral<uint64_t>() /*bufferID*/,
+                             mFdp.ConsumeIntegral<uint64_t>() /*frameNumber*/, fence,
+                             android::FrameTracer::FrameEvent::ACQUIRE_FENCE, startTime);
+}
+
+void FrameTracerFuzzer::process() {
+    mFrameTracer->registerDataSource();
+
+    auto tracingSession = getTracingSessionForTest();
+    tracingSession->StartBlocking();
+
+    size_t numLayerIds = mFdp.ConsumeIntegralInRange<size_t>(kMinLayerIds, kMaxLayerIds);
+    std::vector<int32_t> layerIds = generateLayerIds(numLayerIds);
+
+    for (auto it = layerIds.begin(); it != layerIds.end(); ++it) {
+        mFrameTracer->traceNewLayer(*it /*layerId*/,
+                                    mFdp.ConsumeRandomLengthString(kMaxStringSize) /*layerName*/);
+    }
+
+    traceTimestamp(layerIds, numLayerIds);
+    traceFence(layerIds, numLayerIds);
+
+    mFenceFactory.signalAllForTest(android::Fence::NO_FENCE, systemTime());
+
+    tracingSession->StopBlocking();
+
+    for (auto it = layerIds.begin(); it != layerIds.end(); ++it) {
+        mFrameTracer->onDestroy(*it);
+    }
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    FrameTracerFuzzer frameTracerFuzzer(data, size);
+    frameTracerFuzzer.process();
+    return 0;
+}
+
+} // namespace android::fuzz
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
index f25043c..22d80ca 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzer.cpp
@@ -103,7 +103,7 @@
 class SurfaceFlingerFuzzer {
 public:
     SurfaceFlingerFuzzer(const uint8_t *data, size_t size) : mFdp(data, size) {
-        mFlinger = mTestableFlinger.flinger();
+        mFlinger = sp<SurfaceFlinger>::fromExisting(mTestableFlinger.flinger());
     };
     void process(const uint8_t *data, size_t size);
 
@@ -130,7 +130,7 @@
     mFlinger->maxFrameBufferAcquiredBuffers = mFdp.ConsumeIntegral<int64_t>();
     mFlinger->maxGraphicsWidth = mFdp.ConsumeIntegral<uint32_t>();
     mFlinger->maxGraphicsHeight = mFdp.ConsumeIntegral<uint32_t>();
-    mFlinger->hasWideColorDisplay = mFdp.ConsumeBool();
+    mTestableFlinger.mutableSupportsWideColor() = mFdp.ConsumeBool();
     mFlinger->useContextPriority = mFdp.ConsumeBool();
 
     mFlinger->defaultCompositionDataspace = mFdp.PickValueInArray(kDataspaces);
@@ -151,7 +151,6 @@
     sp<IBinder> handle = defaultServiceManager()->checkService(
             String16(mFdp.ConsumeRandomLengthString().c_str()));
     mFlinger->fromHandle(handle);
-    mFlinger->windowInfosReported();
     mFlinger->disableExpensiveRendering();
 }
 
@@ -238,14 +237,14 @@
 
     mTestableFlinger.enableHalVirtualDisplays(mFdp.ConsumeBool());
 
-    mTestableFlinger.commitTransactionsLocked(mFdp.ConsumeIntegral<uint32_t>());
+    FTL_FAKE_GUARD(kMainThreadContext,
+                   mTestableFlinger.commitTransactionsLocked(mFdp.ConsumeIntegral<uint32_t>()));
 
     mTestableFlinger.notifyPowerBoost(mFdp.ConsumeIntegral<int32_t>());
 
     setDisplayStateLocked();
 
     setTransactionState();
-    mTestableFlinger.flushTransactionQueues();
 
     onTransact(data, size);
 }
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index 867a198..c96520d 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -30,12 +30,8 @@
 #include <ui/DisplayStatInfo.h>
 #include <ui/DynamicDisplayInfo.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/ComposerHal.h"
-#include "EffectLayer.h"
 #include "FrameTimeline/FrameTimeline.h"
 #include "FrameTracer/FrameTracer.h"
 #include "Layer.h"
@@ -155,14 +151,22 @@
                                                     ui::PixelFormat::YCBCR_P010,
                                                     ui::PixelFormat::HSV_888};
 
-FloatRect getFuzzedFloatRect(FuzzedDataProvider *fdp) {
+inline VsyncId getFuzzedVsyncId(FuzzedDataProvider& fdp) {
+    return VsyncId{fdp.ConsumeIntegral<int64_t>()};
+}
+
+inline TimePoint getFuzzedTimePoint(FuzzedDataProvider& fdp) {
+    return TimePoint::fromNs(fdp.ConsumeIntegral<nsecs_t>());
+}
+
+inline FloatRect getFuzzedFloatRect(FuzzedDataProvider* fdp) {
     return FloatRect(fdp->ConsumeFloatingPoint<float>() /*left*/,
                      fdp->ConsumeFloatingPoint<float>() /*right*/,
                      fdp->ConsumeFloatingPoint<float>() /*top*/,
                      fdp->ConsumeFloatingPoint<float>() /*bottom*/);
 }
 
-HdrMetadata getFuzzedHdrMetadata(FuzzedDataProvider *fdp) {
+inline HdrMetadata getFuzzedHdrMetadata(FuzzedDataProvider* fdp) {
     HdrMetadata hdrMetadata;
     if (fdp->ConsumeBool()) {
         hdrMetadata.cta8613.maxContentLightLevel = fdp->ConsumeFloatingPoint<float>();
@@ -272,8 +276,9 @@
 
 private:
     // ICompositor overrides:
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 
     // MessageQueue overrides:
@@ -286,13 +291,18 @@
 namespace surfaceflinger::test {
 
 class Factory final : public surfaceflinger::Factory {
+    struct NoOpMessageQueue : android::impl::MessageQueue {
+        using android::impl::MessageQueue::MessageQueue;
+        void onFrameSignal(ICompositor&, VsyncId, TimePoint) override {}
+    };
+
 public:
     ~Factory() = default;
 
-    std::unique_ptr<HWComposer> createHWComposer(const std::string &) override { return nullptr; }
+    std::unique_ptr<HWComposer> createHWComposer(const std::string&) override { return nullptr; }
 
-    std::unique_ptr<MessageQueue> createMessageQueue(ICompositor &compositor) {
-        return std::make_unique<android::impl::MessageQueue>(compositor);
+    std::unique_ptr<MessageQueue> createMessageQueue(ICompositor& compositor) {
+        return std::make_unique<NoOpMessageQueue>(compositor);
     }
 
     std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
@@ -307,21 +317,21 @@
     }
 
     sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
+        return sp<android::impl::SurfaceInterceptor>::make();
     }
 
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
-        return new StartPropertySetThread(timestampPropertyValue);
+        return sp<StartPropertySetThread>::make(timestampPropertyValue);
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs &creationArgs) override {
-        return new DisplayDevice(creationArgs);
+        return sp<DisplayDevice>::make(creationArgs);
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
                                           uint32_t layerCount, uint64_t usage,
                                           std::string requestorName) override {
-        return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+        return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer> *outProducer,
@@ -334,18 +344,6 @@
         mCreateBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
     }
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer> &producer,
-                                                       const sp<SurfaceFlinger> &flinger,
-                                                       const wp<Layer> &layer) override {
-        return new MonitoredProducer(producer, flinger, layer);
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer> &consumer,
-                                                      renderengine::RenderEngine &renderEngine,
-                                                      uint32_t textureName, Layer *layer) override {
-        return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer> &producer) override {
         if (!mCreateNativeWindowSurface) return nullptr;
@@ -356,20 +354,10 @@
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs &) override {
-        return nullptr;
-    }
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs &) override { return nullptr; }
 
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs &) override {
-        return nullptr;
-    }
-
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs &args) override {
-        return new EffectLayer(args);
-    }
-
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs &args) override {
-        return new ContainerLayer(args);
+    sp<Layer> createEffectLayer(const LayerCreationArgs &args) override {
+        return sp<Layer>::make(args);
     }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
@@ -447,15 +435,13 @@
         mFlinger->clearStatsLocked(dumpArgs, result);
 
         mFlinger->dumpTimeStats(dumpArgs, fdp->ConsumeBool(), result);
-        FTL_FAKE_GUARD(kMainThreadContext, mFlinger->logFrameStats());
+        FTL_FAKE_GUARD(kMainThreadContext,
+                       mFlinger->logFrameStats(TimePoint::fromNs(fdp->ConsumeIntegral<nsecs_t>())));
 
         result = fdp->ConsumeRandomLengthString().c_str();
         mFlinger->dumpFrameTimeline(dumpArgs, result);
 
         result = fdp->ConsumeRandomLengthString().c_str();
-        mFlinger->dumpStaticScreenStats(result);
-
-        result = fdp->ConsumeRandomLengthString().c_str();
         mFlinger->dumpRawDisplayIdentificationData(dumpArgs, result);
 
         LayersProto layersProto = mFlinger->dumpDrawingStateProto(fdp->ConsumeIntegral<uint32_t>());
@@ -469,10 +455,6 @@
         mFlinger->calculateColorMatrix(fdp->ConsumeFloatingPoint<float>());
         mFlinger->updateColorMatrixLocked();
         mFlinger->CheckTransactCodeCredentials(fdp->ConsumeIntegral<uint32_t>());
-
-        const CountDownLatch transactionCommittedSignal(fdp->ConsumeIntegral<uint32_t>());
-        mFlinger->waitForSynchronousTransaction(transactionCommittedSignal);
-        mFlinger->signalSynchronousTransactions(fdp->ConsumeIntegral<uint32_t>());
     }
 
     void getCompositionPreference() {
@@ -540,19 +522,9 @@
         mFlinger->setVsyncConfig(vsyncConfig, fdp->ConsumeIntegral<nsecs_t>());
     }
 
-    void updateCompositorTiming(FuzzedDataProvider *fdp) {
-        std::shared_ptr<FenceTime> presentFenceTime = FenceTime::NO_FENCE;
-        mFlinger->updateCompositorTiming({}, fdp->ConsumeIntegral<nsecs_t>(), presentFenceTime);
-    }
-
-    void getCompositorTiming() {
-        CompositorTiming compositorTiming;
-        mFlinger->getCompositorTiming(&compositorTiming);
-    }
-
     sp<IBinder> fuzzBoot(FuzzedDataProvider *fdp) {
         mFlinger->callingThreadHasUnscopedSurfaceFlingerAccess(fdp->ConsumeBool());
-        mFlinger->createConnection();
+        const sp<Client> client = sp<Client>::make(mFlinger);
 
         DisplayIdGenerator<HalVirtualDisplayId> kGenerator;
         HalVirtualDisplayId halVirtualDisplayId = kGenerator.generateId().value();
@@ -561,7 +533,9 @@
         ui::PixelFormat pixelFormat{};
         mFlinger->getHwComposer().allocateVirtualDisplay(halVirtualDisplayId, uiSize, &pixelFormat);
 
-        PhysicalDisplayId physicalDisplayId = SurfaceComposerClient::getInternalDisplayId().value();
+        PhysicalDisplayId physicalDisplayId =
+                SurfaceComposerClient::getInternalDisplayId().value_or(
+                        PhysicalDisplayId::fromPort(fdp->ConsumeIntegral<uint8_t>()));
         mFlinger->getHwComposer().allocatePhysicalDisplay(kHwDisplayId, physicalDisplayId);
 
         sp<IBinder> display =
@@ -585,7 +559,6 @@
         sp<IBinder> display = fuzzBoot(&mFdp);
 
         sp<IGraphicBufferProducer> bufferProducer = sp<mock::GraphicBufferProducer>::make();
-        mFlinger->authenticateSurfaceTexture(bufferProducer.get());
 
         mFlinger->createDisplayEventConnection();
 
@@ -598,7 +571,6 @@
         mFlinger->setAutoLowLatencyMode(display, mFdp.ConsumeBool());
         mFlinger->setGameContentType(display, mFdp.ConsumeBool());
         mFlinger->setPowerMode(display, mFdp.ConsumeIntegral<int>());
-        mFlinger->clearAnimationFrameStats();
 
         overrideHdrTypes(display, &mFdp);
 
@@ -620,19 +592,24 @@
         mFlinger->binderDied(display);
         mFlinger->onFirstRef();
 
-        mFlinger->commitTransactions();
         mFlinger->updateInputFlinger();
         mFlinger->updateCursorAsync();
 
         setVsyncConfig(&mFdp);
 
-        mFlinger->flushTransactionQueues(0);
+        {
+            ftl::FakeGuard guard(kMainThreadContext);
+
+            mFlinger->commitTransactions();
+            mFlinger->flushTransactionQueues(getFuzzedVsyncId(mFdp));
+            mFlinger->postComposition();
+        }
 
         mFlinger->setTransactionFlags(mFdp.ConsumeIntegral<uint32_t>());
         mFlinger->clearTransactionFlags(mFdp.ConsumeIntegral<uint32_t>());
         mFlinger->commitOffscreenLayers();
 
-        mFlinger->frameIsEarly(mFdp.ConsumeIntegral<nsecs_t>(), mFdp.ConsumeIntegral<int64_t>());
+        mFlinger->frameIsEarly(getFuzzedTimePoint(mFdp), getFuzzedVsyncId(mFdp));
         mFlinger->computeLayerBounds();
         mFlinger->startBootAnim();
 
@@ -643,14 +620,6 @@
 
         mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mFdp.ConsumeIntegral<uid_t>());
 
-        mFlinger->postComposition();
-
-        getCompositorTiming();
-
-        updateCompositorTiming(&mFdp);
-
-        mFlinger->setCompositorTimingSnapped({}, mFdp.ConsumeIntegral<nsecs_t>());
-        FTL_FAKE_GUARD(kMainThreadContext, mFlinger->postFrame());
         mFlinger->calculateExpectedPresentTime({});
 
         mFlinger->enableHalVirtualDisplays(mFdp.ConsumeBool());
@@ -689,7 +658,8 @@
         }
 
         mRefreshRateConfigs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
-        const auto fps = mRefreshRateConfigs->getActiveMode()->getFps();
+        const auto fps =
+                FTL_FAKE_GUARD(kMainThreadContext, mRefreshRateConfigs->getActiveMode().getFps());
         mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(fps);
         mFlinger->mVsyncModulator = sp<scheduler::VsyncModulator>::make(
                 mFlinger->mVsyncConfiguration->getCurrentConfigs());
@@ -740,9 +710,9 @@
 
     void enableHalVirtualDisplays(bool enable) { mFlinger->enableHalVirtualDisplays(enable); }
 
-    auto commitTransactionsLocked(uint32_t transactionFlags) {
+    void commitTransactionsLocked(uint32_t transactionFlags) FTL_FAKE_GUARD(kMainThreadContext) {
         Mutex::Autolock lock(mFlinger->mStateLock);
-        return mFlinger->commitTransactionsLocked(transactionFlags);
+        mFlinger->commitTransactionsLocked(transactionFlags);
     }
 
     auto setDisplayStateLocked(const DisplayState &s) {
@@ -758,7 +728,7 @@
         return mFlinger->setPowerModeInternal(display, mode);
     }
 
-    auto &getTransactionQueue() { return mFlinger->mTransactionQueue; }
+    auto &getTransactionQueue() { return mFlinger->mLocklessTransactionQueue; }
     auto &getPendingTransactionQueue() { return mFlinger->mPendingTransactionQueues; }
 
     auto setTransactionState(
@@ -773,13 +743,11 @@
                                              listenerCallbacks, transactionId);
     }
 
-    auto flushTransactionQueues() { return mFlinger->flushTransactionQueues(0); };
-
     auto onTransact(uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
         return mFlinger->onTransact(code, data, reply, flags);
     }
 
-    auto getGPUContextPriority() { return mFlinger->getGPUContextPriority(); }
+    auto getGpuContextPriority() { return mFlinger->getGpuContextPriority(); }
 
     auto calculateMaxAcquiredBufferCount(Fps refreshRate,
                                          std::chrono::nanoseconds presentLatency) const {
@@ -790,10 +758,11 @@
      * post-conditions.
      */
 
-    auto &mutableCurrentState() { return mFlinger->mCurrentState; }
-    auto &mutableDisplays() { return mFlinger->mDisplays; }
-    auto &mutableDrawingState() { return mFlinger->mDrawingState; }
-    auto &mutableInterceptor() { return mFlinger->mInterceptor; }
+    auto& mutableSupportsWideColor() { return mFlinger->mSupportsWideColor; }
+    auto& mutableCurrentState() { return mFlinger->mCurrentState; }
+    auto& mutableDisplays() { return mFlinger->mDisplays; }
+    auto& mutableDrawingState() { return mFlinger->mDrawingState; }
+    auto& mutableInterceptor() { return mFlinger->mInterceptor; }
 
     auto fromHandle(const sp<IBinder> &handle) { return mFlinger->fromHandle(handle); }
 
@@ -815,7 +784,8 @@
     void triggerOnFrameRateOverridesChanged() override {}
 
     surfaceflinger::test::Factory mFactory;
-    sp<SurfaceFlinger> mFlinger = new SurfaceFlinger(mFactory, SurfaceFlinger::SkipInitialization);
+    sp<SurfaceFlinger> mFlinger =
+            sp<SurfaceFlinger>::make(mFactory, SurfaceFlinger::SkipInitialization);
     scheduler::TestableScheduler *mScheduler = nullptr;
     std::shared_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs;
 };
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
index 34cf906..0a142c3 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_layer_fuzzer.cpp
@@ -14,13 +14,9 @@
  * limitations under the License.
  *
  */
-#include <BufferStateLayer.h>
 #include <Client.h>
 #include <DisplayDevice.h>
-#include <EffectLayer.h>
-#include <LayerRejecter.h>
 #include <LayerRenderArea.h>
-#include <MonitoredProducer.h>
 #include <ftl/future.h>
 #include <fuzzer/FuzzedDataProvider.h>
 #include <gui/IProducerListener.h>
@@ -59,8 +55,10 @@
 }
 
 FrameTimelineInfo LayerFuzzer::getFuzzedFrameTimelineInfo() {
-    return FrameTimelineInfo{.vsyncId = mFdp.ConsumeIntegral<int64_t>(),
-                             .inputEventId = mFdp.ConsumeIntegral<int32_t>()};
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = mFdp.ConsumeIntegral<int64_t>();
+    ftInfo.inputEventId = mFdp.ConsumeIntegral<int32_t>();
+    return ftInfo;
 }
 
 LayerCreationArgs LayerFuzzer::createLayerCreationArgs(TestableSurfaceFlinger* flinger,
@@ -77,15 +75,15 @@
 
 void LayerFuzzer::invokeEffectLayer() {
     TestableSurfaceFlinger flinger;
-    sp<Client> client = sp<Client>::make(flinger.flinger());
+    sp<Client> client = sp<Client>::make(sp<SurfaceFlinger>::fromExisting(flinger.flinger()));
     const LayerCreationArgs layerCreationArgs = createLayerCreationArgs(&flinger, client);
-    sp<EffectLayer> effectLayer = sp<EffectLayer>::make(layerCreationArgs);
+    sp<Layer> effectLayer = sp<Layer>::make(layerCreationArgs);
 
     effectLayer->setColor({(mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*x*/,
                             mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*y*/,
                             mFdp.ConsumeFloatingPointInRange<float>(0, 255) /*z*/)});
     effectLayer->setDataspace(mFdp.PickValueInArray(kDataspaces));
-    sp<EffectLayer> parent = sp<EffectLayer>::make(layerCreationArgs);
+    sp<Layer> parent = sp<Layer>::make(layerCreationArgs);
     effectLayer->setChildrenDrawingParent(parent);
 
     const FrameTimelineInfo frameInfo = getFuzzedFrameTimelineInfo();
@@ -109,24 +107,22 @@
 
 void LayerFuzzer::invokeBufferStateLayer() {
     TestableSurfaceFlinger flinger;
-    sp<Client> client = sp<Client>::make(flinger.flinger());
-    sp<BufferStateLayer> layer =
-            sp<BufferStateLayer>::make(createLayerCreationArgs(&flinger, client));
+    sp<Client> client = sp<Client>::make(sp<SurfaceFlinger>::fromExisting(flinger.flinger()));
+    sp<Layer> layer = sp<Layer>::make(createLayerCreationArgs(&flinger, client));
     sp<Fence> fence = sp<Fence>::make();
     const std::shared_ptr<FenceTime> fenceTime = std::make_shared<FenceTime>(fence);
 
-    const CompositorTiming compositor = {mFdp.ConsumeIntegral<int64_t>(),
-                                         mFdp.ConsumeIntegral<int64_t>(),
-                                         mFdp.ConsumeIntegral<int64_t>()};
+    const CompositorTiming compositorTiming(mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>(),
+                                            mFdp.ConsumeIntegral<int64_t>());
 
     layer->onLayerDisplayed(ftl::yield<FenceResult>(fence).share());
     layer->onLayerDisplayed(
             ftl::yield<FenceResult>(base::unexpected(mFdp.ConsumeIntegral<status_t>())).share());
 
     layer->releasePendingBuffer(mFdp.ConsumeIntegral<int64_t>());
-    layer->finalizeFrameEventHistory(fenceTime, compositor);
-    layer->onPostComposition(nullptr, fenceTime, fenceTime, compositor);
-    layer->isBufferDue(mFdp.ConsumeIntegral<int64_t>());
+    layer->onPostComposition(nullptr, fenceTime, fenceTime, compositorTiming);
 
     layer->setTransform(mFdp.ConsumeIntegral<uint32_t>());
     layer->setTransformToDisplayInverse(mFdp.ConsumeBool());
@@ -150,8 +146,8 @@
     layer->computeSourceBounds(getFuzzedFloatRect(&mFdp));
 
     layer->fenceHasSignaled();
-    layer->framePresentTimeIsCurrent(mFdp.ConsumeIntegral<int64_t>());
-    layer->onPreComposition(mFdp.ConsumeIntegral<int64_t>());
+    layer->onPreComposition(mFdp.ConsumeIntegral<int64_t>(),
+                            false /*updatingOutputGeometryThisFrame*/);
     const std::vector<sp<CallbackHandle>> callbacks;
     layer->setTransactionCompletedListeners(callbacks);
 
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
index da60a69..a949440 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
@@ -19,6 +19,8 @@
 #include <fuzzer/FuzzedDataProvider.h>
 #include <processgroup/sched_policy.h>
 
+#include <scheduler/PresentLatencyTracker.h>
+
 #include "Scheduler/DispSyncSource.h"
 #include "Scheduler/OneShotTimer.h"
 #include "Scheduler/VSyncDispatchTimerQueue.h"
@@ -58,6 +60,7 @@
 private:
     void fuzzRefreshRateSelection();
     void fuzzRefreshRateConfigs();
+    void fuzzPresentLatencyTracker();
     void fuzzVSyncModulator();
     void fuzzVSyncPredictor();
     void fuzzVSyncReactor();
@@ -93,8 +96,8 @@
 
     thread->onHotplugReceived(getPhysicalDisplayId(), mFdp.ConsumeBool());
     sp<EventThreadConnection> connection =
-            new EventThreadConnection(thread.get(), mFdp.ConsumeIntegral<uint16_t>(), nullptr,
-                                      {} /*eventRegistration*/);
+            sp<EventThreadConnection>::make(thread.get(), mFdp.ConsumeIntegral<uint16_t>(),
+                                            nullptr);
     thread->requestNextVsync(connection);
     thread->setVsyncRate(mFdp.ConsumeIntegral<uint32_t>() /*rate*/, connection);
 
@@ -224,8 +227,8 @@
     nsecs_t time2 = time1;
     uint8_t historySize = mFdp.ConsumeIntegral<uint8_t>();
 
-    sp<FuzzImplLayer> layer1 = new FuzzImplLayer(flinger.flinger());
-    sp<FuzzImplLayer> layer2 = new FuzzImplLayer(flinger.flinger());
+    sp<FuzzImplLayer> layer1 = sp<FuzzImplLayer>::make(flinger.flinger());
+    sp<FuzzImplLayer> layer2 = sp<FuzzImplLayer>::make(flinger.flinger());
 
     for (int i = 0; i < historySize; ++i) {
         historyV1.record(layer1.get(), time1, time1,
@@ -260,7 +263,7 @@
     reactor.addHwVsyncTimestamp(0, std::nullopt, &periodFlushed);
     reactor.addHwVsyncTimestamp(mFdp.ConsumeIntegral<nsecs_t>() /*newPeriod*/, std::nullopt,
                                 &periodFlushed);
-    sp<Fence> fence = new Fence(memfd_create("fd", MFD_ALLOW_SEALING));
+    sp<Fence> fence = sp<Fence>::make(memfd_create("fd", MFD_ALLOW_SEALING));
     std::shared_ptr<FenceTime> ft = std::make_shared<FenceTime>(fence);
     vSyncTracker->addVsyncTimestamp(mFdp.ConsumeIntegral<nsecs_t>());
     FenceTime::Snapshot snap(mFdp.ConsumeIntegral<nsecs_t>());
@@ -319,7 +322,7 @@
     LayerCreationArgs args(flinger.flinger(), client,
                            mFdp.ConsumeRandomLengthString(kRandomStringLength) /*name*/,
                            mFdp.ConsumeIntegral<uint16_t>() /*layerFlags*/, LayerMetadata());
-    sp<Layer> layer = new BufferQueueLayer(args);
+    sp<Layer> layer = sp<Layer>::make(args);
 
     layer->setFrameRateSelectionPriority(mFdp.ConsumeIntegral<int16_t>());
 }
@@ -347,7 +350,7 @@
     const RefreshRateConfigs::GlobalSignals globalSignals = {.touch = false, .idle = false};
     std::vector<LayerRequirement> layers = {{.weight = mFdp.ConsumeFloatingPoint<float>()}};
 
-    refreshRateConfigs.getBestRefreshRate(layers, globalSignals);
+    refreshRateConfigs.getRankedRefreshRates(layers, globalSignals);
 
     layers[0].name = mFdp.ConsumeRandomLengthString(kRandomStringLength);
     layers[0].ownerUid = mFdp.ConsumeIntegral<uint16_t>();
@@ -359,11 +362,24 @@
                                                              mFdp.ConsumeFloatingPoint<float>()),
                                                      globalSignals);
 
-    refreshRateConfigs.setDisplayManagerPolicy(
-            {modeId,
-             {Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
-              Fps::fromValue(mFdp.ConsumeFloatingPoint<float>())}});
-    refreshRateConfigs.setActiveModeId(modeId);
+    {
+        ftl::FakeGuard guard(kMainThreadContext);
+
+        refreshRateConfigs.setPolicy(
+                RefreshRateConfigs::
+                        DisplayManagerPolicy{modeId,
+                                             {Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
+                                              Fps::fromValue(mFdp.ConsumeFloatingPoint<float>())}});
+        refreshRateConfigs.setPolicy(
+                RefreshRateConfigs::OverridePolicy{modeId,
+                                                   {Fps::fromValue(
+                                                            mFdp.ConsumeFloatingPoint<float>()),
+                                                    Fps::fromValue(
+                                                            mFdp.ConsumeFloatingPoint<float>())}});
+        refreshRateConfigs.setPolicy(RefreshRateConfigs::NoOverridePolicy{});
+
+        refreshRateConfigs.setActiveModeId(modeId);
+    }
 
     RefreshRateConfigs::isFractionalPairOrMultiple(Fps::fromValue(
                                                            mFdp.ConsumeFloatingPoint<float>()),
@@ -376,15 +392,23 @@
     RefreshRateStats refreshRateStats(timeStats, Fps::fromValue(mFdp.ConsumeFloatingPoint<float>()),
                                       PowerMode::OFF);
 
-    const auto fpsOpt = displayModes.get(modeId, [](const auto& mode) { return mode->getFps(); });
+    const auto fpsOpt = displayModes.get(modeId).transform(
+            [](const DisplayModePtr& mode) { return mode->getFps(); });
     refreshRateStats.setRefreshRate(*fpsOpt);
 
     refreshRateStats.setPowerMode(mFdp.PickValueInArray(kPowerModes));
 }
 
+void SchedulerFuzzer::fuzzPresentLatencyTracker() {
+    scheduler::PresentLatencyTracker tracker;
+    tracker.trackPendingFrame(TimePoint::fromNs(mFdp.ConsumeIntegral<nsecs_t>()),
+                              FenceTime::NO_FENCE);
+}
+
 void SchedulerFuzzer::process() {
     fuzzRefreshRateSelection();
     fuzzRefreshRateConfigs();
+    fuzzPresentLatencyTracker();
     fuzzVSyncModulator();
     fuzzVSyncPredictor();
     fuzzVSyncReactor();
diff --git a/services/surfaceflinger/layerproto/Android.bp b/services/surfaceflinger/layerproto/Android.bp
index 973a439..7287dd0 100644
--- a/services/surfaceflinger/layerproto/Android.bp
+++ b/services/surfaceflinger/layerproto/Android.bp
@@ -44,10 +44,11 @@
 }
 
 java_library_static {
-    name: "layersprotosnano",
+    name: "layersprotoslite",
     host_supported: true,
     proto: {
-        type: "nano",
+        type: "lite",
+        include_dirs: ["external/protobuf/src"],
     },
     srcs: ["*.proto"],
     sdk_version: "core_platform",
@@ -56,7 +57,7 @@
             jarjar_rules: "jarjar-rules.txt",
         },
         host: {
-            static_libs: ["libprotobuf-java-nano"],
+            static_libs: ["libprotobuf-java-lite"],
         },
     },
 }
diff --git a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
index 52503ba..cdc2706 100644
--- a/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
+++ b/services/surfaceflinger/layerproto/include/layerproto/LayerProtoParser.h
@@ -24,6 +24,8 @@
 #include <unordered_map>
 #include <vector>
 
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace surfaceflinger {
 
diff --git a/services/surfaceflinger/layerproto/layerstrace.proto b/services/surfaceflinger/layerproto/layerstrace.proto
index 13647b6..804a499 100644
--- a/services/surfaceflinger/layerproto/layerstrace.proto
+++ b/services/surfaceflinger/layerproto/layerstrace.proto
@@ -38,9 +38,13 @@
 
     optional fixed64 magic_number = 1;  /* Must be the first field, set to value in MagicNumber */
     repeated LayersTraceProto entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    optional fixed64 real_to_elapsed_time_offset_nanos = 3;
 }
 
-/* one window manager trace entry. */
+/* one layers trace entry. */
 message LayersTraceProto {
     /* required: elapsed realtime in nanos since boot of when this entry was logged */
     optional sfixed64 elapsed_realtime_nanos = 1;
@@ -60,4 +64,6 @@
     optional uint32 missed_entries = 6;
 
     repeated DisplayProto displays = 7;
+
+    optional int64 vsync_id = 8;
 }
diff --git a/services/surfaceflinger/layerproto/transactions.proto b/services/surfaceflinger/layerproto/transactions.proto
index 4f99b19..b687abc 100644
--- a/services/surfaceflinger/layerproto/transactions.proto
+++ b/services/surfaceflinger/layerproto/transactions.proto
@@ -36,6 +36,10 @@
 
     fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */
     repeated TransactionTraceEntry entry = 2;
+
+    /* offset between real-time clock and elapsed time clock in nanoseconds.
+       Calculated as: systemTime(SYSTEM_TIME_REALTIME) - systemTime(SYSTEM_TIME_MONOTONIC) */
+    fixed64 real_to_elapsed_time_offset_nanos = 3;
 }
 
 message TransactionTraceEntry {
@@ -78,7 +82,7 @@
         eChangesLsbNone = 0;
         ePositionChanged = 0x00000001;
         eLayerChanged = 0x00000002;
-        eSizeChanged = 0x00000004;
+        // unused = 0x00000004;
         eAlphaChanged = 0x00000008;
 
         eMatrixChanged = 0x00000010;
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index ec18054..fedd71e 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -67,7 +67,7 @@
     using android::frameworks::displayservice::V1_0::implementation::DisplayService;
     using android::frameworks::displayservice::V1_0::IDisplayService;
 
-    sp<IDisplayService> displayservice = new DisplayService();
+    sp<IDisplayService> displayservice = sp<DisplayService>::make();
     status_t err = displayservice->registerAsService();
 
     // b/141930622
@@ -153,7 +153,7 @@
                    IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL | IServiceManager::DUMP_FLAG_PROTO);
 
     // publish gui::ISurfaceComposer, the new AIDL interface
-    sp<SurfaceComposerAIDL> composerAIDL = new SurfaceComposerAIDL(flinger);
+    sp<SurfaceComposerAIDL> composerAIDL = sp<SurfaceComposerAIDL>::make(flinger);
     sm->addService(String16("SurfaceFlingerAIDL"), composerAIDL, false,
                    IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL | IServiceManager::DUMP_FLAG_PROTO);
 
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index ceddf27..13ce65d 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -23,7 +23,10 @@
 
 cc_test {
     name: "SurfaceFlinger_test",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "android.hardware.graphics.common-ndk_shared",
+        "surfaceflinger_defaults",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "BootDisplayMode_test.cpp",
@@ -34,6 +37,7 @@
         "DisplayConfigs_test.cpp",
         "DisplayEventReceiver_test.cpp",
         "EffectLayer_test.cpp",
+        "LayerBorder_test.cpp",
         "InvalidHandles_test.cpp",
         "LayerCallback_test.cpp",
         "LayerRenderTypeTransaction_test.cpp",
@@ -63,7 +67,6 @@
         "android.hardware.graphics.composer@2.1",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-V3-ndk",
         "android.hardware.graphics.common@1.2",
         "libandroid",
         "libbase",
diff --git a/services/surfaceflinger/tests/BootDisplayMode_test.cpp b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
index d70908e..432e227 100644
--- a/services/surfaceflinger/tests/BootDisplayMode_test.cpp
+++ b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
@@ -18,6 +18,7 @@
 
 #include <gtest/gtest.h>
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
 #include <private/gui/ComposerServiceAIDL.h>
@@ -25,15 +26,17 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
+
 TEST(BootDisplayModeTest, setBootDisplayMode) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    sp<gui::ISurfaceComposer> sf_aidl(ComposerServiceAIDL::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
     bool bootModeSupport = false;
-    binder::Status status = sf_aidl->getBootDisplayModeSupport(&bootModeSupport);
-    ASSERT_NO_FATAL_FAILURE(status.transactionError());
+    binder::Status status = sf->getBootDisplayModeSupport(&bootModeSupport);
+    ASSERT_NO_FATAL_FAILURE(statusTFromBinderStatus(status));
     if (bootModeSupport) {
-        ASSERT_EQ(NO_ERROR, sf->setBootDisplayMode(displayToken, 0));
+        status = sf->setBootDisplayMode(displayToken, 0);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 }
 
@@ -42,10 +45,10 @@
     auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
     bool bootModeSupport = false;
     binder::Status status = sf->getBootDisplayModeSupport(&bootModeSupport);
-    ASSERT_NO_FATAL_FAILURE(status.transactionError());
+    ASSERT_NO_FATAL_FAILURE(statusTFromBinderStatus(status));
     if (bootModeSupport) {
         status = sf->clearBootDisplayMode(displayToken);
-        ASSERT_EQ(NO_ERROR, status.transactionError());
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 }
 
diff --git a/services/surfaceflinger/tests/BufferGenerator.cpp b/services/surfaceflinger/tests/BufferGenerator.cpp
index 47a150d..d74bd55 100644
--- a/services/surfaceflinger/tests/BufferGenerator.cpp
+++ b/services/surfaceflinger/tests/BufferGenerator.cpp
@@ -70,12 +70,13 @@
         consumer->setDefaultBufferSize(width, height);
         consumer->setDefaultBufferFormat(format);
 
-        mBufferItemConsumer = new BufferItemConsumer(consumer, GraphicBuffer::USAGE_HW_TEXTURE);
+        mBufferItemConsumer =
+                sp<BufferItemConsumer>::make(consumer, GraphicBuffer::USAGE_HW_TEXTURE);
 
-        mListener = new BufferListener(consumer, callback);
+        mListener = sp<BufferListener>::make(consumer, callback);
         mBufferItemConsumer->setFrameAvailableListener(mListener);
 
-        mSurface = new Surface(producer, true);
+        mSurface = sp<Surface>::make(producer, true);
     }
 
     /* Used by Egl manager. The surface is never displayed. */
@@ -364,7 +365,7 @@
         *outBuffer = mGraphicBuffer;
     }
     if (outFence) {
-        *outFence = new Fence(mFence);
+        *outFence = sp<Fence>::make(mFence);
     } else {
         close(mFence);
     }
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index 434c297..775de4a 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -18,13 +18,14 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+#include <android/gui/ISurfaceComposer.h>
 #include <gtest/gtest.h>
-#include <gui/ISurfaceComposer.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/android_filesystem_config.h>
-#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <utils/String8.h>
@@ -34,6 +35,8 @@
 namespace android {
 
 using Transaction = SurfaceComposerClient::Transaction;
+using gui::LayerDebugInfo;
+using gui::aidl_utils::statusTFromBinderStatus;
 using ui::ColorMode;
 
 namespace {
@@ -67,7 +70,7 @@
     sp<SurfaceControl> mVirtualSurfaceControl;
 
     void initClient() {
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
     }
 
@@ -149,7 +152,7 @@
     // Anyone else can init the client.
     {
         UIDFaker f(AID_BIN);
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_NO_FATAL_FAILURE(initClient());
     }
 }
@@ -301,27 +304,31 @@
  */
 TEST_F(CredentialsTest, GetLayerDebugInfo) {
     setupBackgroundSurface();
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
 
     // Historically, only root and shell can access the getLayerDebugInfo which
     // is called when we call dumpsys. I don't see a reason why we should change this.
     std::vector<LayerDebugInfo> outLayers;
+    binder::Status status = binder::Status::ok();
     // Check with root.
     {
         UIDFaker f(AID_ROOT);
-        ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 
     // Check as a shell.
     {
         UIDFaker f(AID_SHELL);
-        ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(NO_ERROR, statusTFromBinderStatus(status));
     }
 
     // Check as anyone else.
     {
         UIDFaker f(AID_BIN);
-        ASSERT_EQ(PERMISSION_DENIED, sf->getLayerDebugInfo(&outLayers));
+        status = sf->getLayerDebugInfo(&outLayers);
+        ASSERT_EQ(PERMISSION_DENIED, statusTFromBinderStatus(status));
     }
 }
 
diff --git a/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp b/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
index 0e54664..0df7e2f 100644
--- a/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
+++ b/services/surfaceflinger/tests/DisplayEventReceiver_test.cpp
@@ -36,7 +36,8 @@
     EXPECT_GT(vsyncEventData.frameTimelines[0].deadlineTimestamp, now)
             << "Deadline timestamp should be greater than frame time";
     for (size_t i = 0; i < VsyncEventData::kFrameTimelinesLength; i++) {
-        EXPECT_NE(FrameTimelineInfo::INVALID_VSYNC_ID, vsyncEventData.frameTimelines[i].vsyncId);
+        EXPECT_NE(gui::FrameTimelineInfo::INVALID_VSYNC_ID,
+                  vsyncEventData.frameTimelines[i].vsyncId);
         EXPECT_GT(vsyncEventData.frameTimelines[i].expectedPresentationTime,
                   vsyncEventData.frameTimelines[i].deadlineTimestamp)
                 << "Expected vsync timestamp should be greater than deadline";
@@ -51,4 +52,4 @@
     }
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/tests/IPC_test.cpp b/services/surfaceflinger/tests/IPC_test.cpp
index ce94dab..c63d251 100644
--- a/services/surfaceflinger/tests/IPC_test.cpp
+++ b/services/surfaceflinger/tests/IPC_test.cpp
@@ -136,7 +136,7 @@
     }
 
     status_t initClient() override {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         auto err = mClient->initCheck();
         return err;
     }
@@ -221,7 +221,7 @@
         ProcessState::self()->startThreadPool();
     }
     void SetUp() {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
         mPrimaryDisplay = mClient->getInternalDisplayToken();
diff --git a/services/surfaceflinger/tests/InvalidHandles_test.cpp b/services/surfaceflinger/tests/InvalidHandles_test.cpp
index d192a2d..741b6f7 100644
--- a/services/surfaceflinger/tests/InvalidHandles_test.cpp
+++ b/services/surfaceflinger/tests/InvalidHandles_test.cpp
@@ -42,13 +42,13 @@
     sp<SurfaceComposerClient> mScc;
     sp<SurfaceControl> mNotSc;
     void SetUp() override {
-        mScc = new SurfaceComposerClient;
+        mScc = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mScc->initCheck());
         mNotSc = makeNotSurfaceControl();
     }
 
     sp<SurfaceControl> makeNotSurfaceControl() {
-        return new SurfaceControl(mScc, new NotALayer(), nullptr, true);
+        return sp<SurfaceControl>::make(mScc, sp<NotALayer>::make(), 1);
     }
 };
 
@@ -64,4 +64,4 @@
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
\ No newline at end of file
+#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/LayerBorder_test.cpp b/services/surfaceflinger/tests/LayerBorder_test.cpp
new file mode 100644
index 0000000..85108ad
--- /dev/null
+++ b/services/surfaceflinger/tests/LayerBorder_test.cpp
@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+// TODO: Amend all tests when screenshots become fully reworked for borders
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+
+#include <chrono> // std::chrono::seconds
+#include <thread> // std::this_thread::sleep_for
+#include "LayerTransactionTest.h"
+
+namespace android {
+
+class LayerBorderTest : public LayerTransactionTest {
+protected:
+    virtual void SetUp() {
+        LayerTransactionTest::SetUp();
+        ASSERT_EQ(NO_ERROR, mClient->initCheck());
+
+        toHalf3 = ColorTransformHelper::toHalf3;
+        toHalf4 = ColorTransformHelper::toHalf4;
+
+        const auto display = SurfaceComposerClient::getInternalDisplayToken();
+        ASSERT_FALSE(display == nullptr);
+        mColorOrange = toHalf4({255, 140, 0, 255});
+        mParentLayer = createColorLayer("Parent layer", Color::RED);
+
+        mContainerLayer = mClient->createSurface(String8("Container Layer"), 0 /* width */,
+                                                 0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                                 ISurfaceComposerClient::eFXSurfaceContainer |
+                                                         ISurfaceComposerClient::eNoColorFill,
+                                                 mParentLayer->getHandle());
+        EXPECT_NE(nullptr, mContainerLayer.get()) << "failed to create container layer";
+
+        mEffectLayer1 = mClient->createSurface(String8("Effect Layer"), 0 /* width */,
+                                               0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                               ISurfaceComposerClient::eFXSurfaceEffect |
+                                                       ISurfaceComposerClient::eNoColorFill,
+                                               mContainerLayer->getHandle());
+        EXPECT_NE(nullptr, mEffectLayer1.get()) << "failed to create effect layer 1";
+
+        mEffectLayer2 = mClient->createSurface(String8("Effect Layer"), 0 /* width */,
+                                               0 /* height */, PIXEL_FORMAT_RGBA_8888,
+                                               ISurfaceComposerClient::eFXSurfaceEffect |
+                                                       ISurfaceComposerClient::eNoColorFill,
+                                               mContainerLayer->getHandle());
+
+        EXPECT_NE(nullptr, mEffectLayer2.get()) << "failed to create effect layer 2";
+
+        asTransaction([&](Transaction& t) {
+            t.setDisplayLayerStack(display, ui::DEFAULT_LAYER_STACK);
+            t.setLayer(mParentLayer, INT32_MAX - 20).show(mParentLayer);
+            t.setFlags(mParentLayer, layer_state_t::eLayerOpaque, layer_state_t::eLayerOpaque);
+
+            t.setColor(mEffectLayer1, toHalf3(Color::BLUE));
+
+            t.setColor(mEffectLayer2, toHalf3(Color::GREEN));
+        });
+    }
+
+    virtual void TearDown() {
+        // Uncomment the line right below when running any of the tests
+        // std::this_thread::sleep_for (std::chrono::seconds(30));
+        LayerTransactionTest::TearDown();
+        mParentLayer = 0;
+    }
+
+    std::function<half3(Color)> toHalf3;
+    std::function<half4(Color)> toHalf4;
+    sp<SurfaceControl> mParentLayer, mContainerLayer, mEffectLayer1, mEffectLayer2;
+    half4 mColorOrange;
+};
+
+TEST_F(LayerBorderTest, OverlappingVisibleRegions) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, PartiallyCoveredVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, NonOverlappingVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 200, 200));
+        t.setCrop(mEffectLayer2, Rect(400, 400, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, EmptyVisibleRegion) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(200, 200, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(0, 0, 600, 600));
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, ZOrderAdjustment) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setLayer(mParentLayer, 10);
+        t.setLayer(mEffectLayer1, 30);
+        t.setLayer(mEffectLayer2, 20);
+
+        t.enableBorder(mEffectLayer1, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, GrandChildHierarchy) {
+    sp<SurfaceControl> containerLayer2 =
+            mClient->createSurface(String8("Container Layer"), 0 /* width */, 0 /* height */,
+                                   PIXEL_FORMAT_RGBA_8888,
+                                   ISurfaceComposerClient::eFXSurfaceContainer |
+                                           ISurfaceComposerClient::eNoColorFill,
+                                   mContainerLayer->getHandle());
+    EXPECT_NE(nullptr, containerLayer2.get()) << "failed to create container layer 2";
+
+    sp<SurfaceControl> effectLayer3 =
+            mClient->createSurface(String8("Effect Layer"), 0 /* width */, 0 /* height */,
+                                   PIXEL_FORMAT_RGBA_8888,
+                                   ISurfaceComposerClient::eFXSurfaceEffect |
+                                           ISurfaceComposerClient::eNoColorFill,
+                                   containerLayer2->getHandle());
+
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setCrop(effectLayer3, Rect(400, 400, 800, 800));
+        t.setColor(effectLayer3, toHalf3(Color::BLUE));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(effectLayer3);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, TransparentAlpha) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setAlpha(mEffectLayer1, 0.0f);
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, SemiTransparentAlpha) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+        t.setAlpha(mEffectLayer2, 0.5f);
+
+        t.enableBorder(mEffectLayer2, true, 20, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, InvisibleLayers) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+        t.hide(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, LayerWithBuffer) {
+    asTransaction([&](Transaction& t) {
+        t.hide(mEffectLayer1);
+        t.hide(mEffectLayer2);
+        t.show(mContainerLayer);
+
+        sp<SurfaceControl> layer =
+                mClient->createSurface(String8("BufferState"), 0 /* width */, 0 /* height */,
+                                       PIXEL_FORMAT_RGBA_8888,
+                                       ISurfaceComposerClient::eFXSurfaceBufferState,
+                                       mContainerLayer->getHandle());
+
+        sp<GraphicBuffer> buffer =
+                sp<GraphicBuffer>::make(400u, 400u, PIXEL_FORMAT_RGBA_8888, 1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
+        TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 200, 200), Color::GREEN);
+        TransactionUtils::fillGraphicBufferColor(buffer, Rect(200, 200, 400, 400), Color::BLUE);
+
+        t.setBuffer(layer, buffer);
+        t.setPosition(layer, 100, 100);
+        t.show(layer);
+        t.enableBorder(mContainerLayer, true, 20, mColorOrange);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomWidth) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 50, mColorOrange);
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomColor) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 400, 400));
+        t.setCrop(mEffectLayer2, Rect(200, 200, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 20, toHalf4({255, 0, 255, 255}));
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+TEST_F(LayerBorderTest, CustomWidthAndColorAndOpacity) {
+    asTransaction([&](Transaction& t) {
+        t.setCrop(mEffectLayer1, Rect(0, 0, 200, 200));
+        t.setCrop(mEffectLayer2, Rect(400, 400, 600, 600));
+
+        t.enableBorder(mContainerLayer, true, 40, toHalf4({255, 255, 0, 128}));
+        t.show(mEffectLayer1);
+        t.show(mEffectLayer2);
+        t.show(mContainerLayer);
+    });
+}
+
+} // namespace android
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/LayerCallback_test.cpp b/services/surfaceflinger/tests/LayerCallback_test.cpp
index 219db8c..26dbc76 100644
--- a/services/surfaceflinger/tests/LayerCallback_test.cpp
+++ b/services/surfaceflinger/tests/LayerCallback_test.cpp
@@ -51,7 +51,7 @@
         LayerTransactionTest::TearDown();
     }
 
-    virtual sp<SurfaceControl> createBufferStateLayer() {
+    virtual sp<SurfaceControl> createLayerWithBuffer() {
         return createLayer(mClient, "test", 0, 0, ISurfaceComposerClient::eFXSurfaceBufferState);
     }
 
@@ -164,7 +164,7 @@
 
 TEST_F(LayerCallbackTest, BufferColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -183,7 +183,7 @@
 
 TEST_F(LayerCallbackTest, NoBufferNoColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -206,7 +206,7 @@
 
 TEST_F(LayerCallbackTest, BufferNoColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -228,7 +228,7 @@
 
 TEST_F(LayerCallbackTest, NoBufferColor) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -266,7 +266,7 @@
 
 TEST_F(LayerCallbackTest, OffScreen) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -288,8 +288,8 @@
 
 TEST_F(LayerCallbackTest, MergeBufferNoColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -322,8 +322,8 @@
 
 TEST_F(LayerCallbackTest, MergeNoBufferColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -357,8 +357,8 @@
 
 TEST_F(LayerCallbackTest, MergeOneBufferOneColor) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -392,8 +392,8 @@
 }
 TEST_F(LayerCallbackTest, Merge_SameCallback) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback;
@@ -418,7 +418,7 @@
 
 TEST_F(LayerCallbackTest, Merge_SameLayer) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -442,8 +442,8 @@
 }
 
 TEST_F(LayerCallbackTest, Merge_DifferentClients) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
 
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
@@ -485,7 +485,7 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -510,7 +510,7 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions_NoStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -541,7 +541,7 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SameStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -579,8 +579,8 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge) {
     sp<SurfaceControl> layer1, layer2;
-    ASSERT_NO_FATAL_FAILURE(layer1 = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(layer2 = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer1 = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(layer2 = createLayerWithBuffer());
 
     Transaction transaction1, transaction2;
     CallbackHelper callback1, callback2;
@@ -620,8 +620,8 @@
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
 
@@ -669,8 +669,8 @@
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_NoStateChange) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
 
@@ -730,8 +730,8 @@
 }
 
 TEST_F(LayerCallbackTest, MultipleTransactions_Merge_DifferentClients_SameStateChange) {
-    sp<SurfaceComposerClient> client1(new SurfaceComposerClient),
-            client2(new SurfaceComposerClient);
+    sp<SurfaceComposerClient> client1(sp<SurfaceComposerClient>::make()),
+            client2(sp<SurfaceComposerClient>::make());
 
     ASSERT_EQ(NO_ERROR, client1->initCheck()) << "failed to create SurfaceComposerClient";
     ASSERT_EQ(NO_ERROR, client2->initCheck()) << "failed to create SurfaceComposerClient";
@@ -799,7 +799,7 @@
 // TODO (b/183181768): Fix & re-enable
 TEST_F(LayerCallbackTest, DISABLED_MultipleTransactions_SingleFrame) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -823,7 +823,7 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_NoStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     // Normal call to set up test
     Transaction transaction;
@@ -858,7 +858,7 @@
 
 TEST_F(LayerCallbackTest, MultipleTransactions_SingleFrame_SameStateChange) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     // Normal call to set up test
     Transaction transaction;
@@ -901,7 +901,7 @@
 
 TEST_F(LayerCallbackTest, DesiredPresentTime) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -925,7 +925,7 @@
 
 TEST_F(LayerCallbackTest, DesiredPresentTime_Multiple) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback1;
@@ -971,7 +971,7 @@
 // TODO (b/183181768): Fix & re-enable
 TEST_F(LayerCallbackTest, DISABLED_DesiredPresentTime_OutOfOrder) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback1;
@@ -1015,7 +1015,7 @@
 
 TEST_F(LayerCallbackTest, DesiredPresentTime_Past) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1039,7 +1039,7 @@
 
 TEST_F(LayerCallbackTest, ExpectedPresentTime) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1050,7 +1050,10 @@
     }
 
     const Vsync vsync = waitForNextVsync();
-    transaction.setFrameTimelineInfo({vsync.vsyncId, 0});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = vsync.vsyncId;
+    ftInfo.inputEventId = 0;
+    transaction.setFrameTimelineInfo(ftInfo);
     transaction.apply();
 
     ExpectedResult expected;
@@ -1062,8 +1065,8 @@
 // b202394221
 TEST_F(LayerCallbackTest, EmptyBufferStateChanges) {
     sp<SurfaceControl> bufferLayer, emptyBufferLayer;
-    ASSERT_NO_FATAL_FAILURE(bufferLayer = createBufferStateLayer());
-    ASSERT_NO_FATAL_FAILURE(emptyBufferLayer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayerWithBuffer());
+    ASSERT_NO_FATAL_FAILURE(emptyBufferLayer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
@@ -1117,7 +1120,7 @@
 
 TEST_F(LayerCallbackTest, CommitCallbackOffscreenLayer) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
     sp<SurfaceControl> offscreenLayer =
             createSurface(mClient, "Offscreen Layer", 0, 0, PIXEL_FORMAT_RGBA_8888,
                           ISurfaceComposerClient::eFXSurfaceBufferState, layer.get());
@@ -1148,7 +1151,7 @@
 
 TEST_F(LayerCallbackTest, TransactionCommittedCallback_BSL) {
     sp<SurfaceControl> layer;
-    ASSERT_NO_FATAL_FAILURE(layer = createBufferStateLayer());
+    ASSERT_NO_FATAL_FAILURE(layer = createLayerWithBuffer());
 
     Transaction transaction;
     CallbackHelper callback;
diff --git a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
index 0e2bc3d..bf7cae9 100644
--- a/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerRenderTypeTransaction_test.cpp
@@ -328,7 +328,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
 
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, top, Color::TRANSPARENT));
@@ -352,7 +352,7 @@
         shot->expectColor(bottom, Color::BLACK);
     }
 
-    buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+    buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
 
     ASSERT_NO_FATAL_FAILURE(TransactionUtils::fillGraphicBufferColor(buffer, top, Color::RED));
     ASSERT_NO_FATAL_FAILURE(
@@ -399,7 +399,7 @@
             .apply();
     ASSERT_NO_FATAL_FAILURE(
             fillBufferQueueLayerColor(layerTransparent, Color::TRANSPARENT, 32, 32));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layerR, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layerR, Color::RED, 32, 32));
     getScreenCapture()->expectColor(Rect(16, 16, 48, 48), Color::RED);
 }
 
@@ -482,7 +482,7 @@
     }
 }
 
-// RED: Color layer base color and BufferQueueLayer/BufferStateLayer fill
+// RED: Color layer base color and Layer buffer fill
 // BLUE: prior background color
 // GREEN: final background color
 // BLACK: no color or fill
@@ -516,7 +516,7 @@
         case ISurfaceComposerClient::eFXSurfaceBufferState:
             ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height, layerType));
             if (bufferFill) {
-                ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, fillColor, width, height));
+                ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, fillColor, width, height));
                 expectedColor = fillColor;
             }
             Transaction().setCrop(layer, Rect(0, 0, width, height)).apply();
@@ -832,7 +832,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     const Rect crop(8, 8, 24, 24);
 
     Transaction().setCrop(layer, crop).apply();
@@ -863,7 +863,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("empty rect");
@@ -894,7 +894,7 @@
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 64, ISurfaceComposerClient::eFXSurfaceBufferState));
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 64, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32, 64, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 16), Color::BLUE);
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 16, 32, 64), Color::RED);
 
@@ -944,7 +944,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     const Rect crop(8, 8, 24, 24);
     Transaction().setPosition(layer, 32, 32).setCrop(layer, crop).apply();
@@ -972,7 +972,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     const Rect frame(8, 8, 24, 24);
 
     Transaction t;
@@ -988,7 +988,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     Transaction t;
     {
@@ -1014,7 +1014,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 10, 10));
 
     // A layer with a buffer will have a computed size that matches the buffer size.
     auto shot = getScreenCapture();
@@ -1026,11 +1026,11 @@
     sp<SurfaceControl> parent, child;
     ASSERT_NO_FATAL_FAILURE(
             parent = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(parent, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(parent, Color::RED, 32, 32));
 
     ASSERT_NO_FATAL_FAILURE(
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
 
     Transaction().reparent(child, parent).apply();
 
@@ -1047,7 +1047,7 @@
 
     ASSERT_NO_FATAL_FAILURE(
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
 
     Transaction().reparent(child, parent).apply();
 
@@ -1061,7 +1061,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     std::this_thread::sleep_for(500ms);
 
@@ -1080,9 +1080,9 @@
             child = createLayer("test", 10, 10, ISurfaceComposerClient::eFXSurfaceBufferState));
     Transaction().reparent(child, parent).apply();
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(parent, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(parent, Color::RED, 32, 32));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::BLUE, 10, 10));
     Rect childDst(0, 16, 32, 32);
     Transaction t;
     TransactionUtils::setFrame(t, child, Rect(0, 0, 10, 10), childDst);
@@ -1099,7 +1099,7 @@
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     auto shot = getScreenCapture();
     shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
@@ -1111,7 +1111,7 @@
     ASSERT_NO_FATAL_FAILURE(
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 1");
@@ -1120,7 +1120,7 @@
         shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLUE, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 2");
@@ -1129,7 +1129,7 @@
         shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     {
         SCOPED_TRACE("set buffer 3");
@@ -1148,7 +1148,7 @@
     ASSERT_NO_FATAL_FAILURE(
             layer2 = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer1, Color::RED, 64, 64));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer1, Color::RED, 64, 64));
 
     {
         SCOPED_TRACE("set layer 1 buffer red");
@@ -1156,7 +1156,7 @@
         shot->expectColor(Rect(0, 0, 64, 64), Color::RED);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer2, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer2, Color::BLUE, 32, 32));
 
     {
         SCOPED_TRACE("set layer 2 buffer blue");
@@ -1166,7 +1166,7 @@
         shot->expectColor(Rect(0, 32, 32, 64), Color::RED);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer1, Color::GREEN, 64, 64));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer1, Color::GREEN, 64, 64));
     {
         SCOPED_TRACE("set layer 1 buffer green");
         auto shot = getScreenCapture();
@@ -1175,7 +1175,7 @@
         shot->expectColor(Rect(0, 32, 32, 64), Color::GREEN);
     }
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer2, Color::WHITE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer2, Color::WHITE, 32, 32));
 
     {
         SCOPED_TRACE("set layer 2 buffer white");
@@ -1197,7 +1197,7 @@
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1230,7 +1230,7 @@
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1263,7 +1263,7 @@
 
     size_t idx = 0;
     for (auto& buffer : buffers) {
-        buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+        buffer = sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
         Color color = colors[idx % colors.size()];
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), color);
         idx++;
@@ -1344,7 +1344,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     sp<Fence> fence;
@@ -1370,7 +1370,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     sp<Fence> fence = Fence::NO_FENCE;
@@ -1388,7 +1388,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Transaction().setBuffer(layer, buffer).setDataspace(layer, ui::Dataspace::UNKNOWN).apply();
@@ -1404,7 +1404,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     HdrMetadata hdrMetadata;
@@ -1422,7 +1422,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Region region;
@@ -1440,7 +1440,7 @@
             layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u, kUsageFlags, "test");
     TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, 32, 32), Color::RED);
 
     Transaction().setBuffer(layer, buffer).setApi(layer, NATIVE_WINDOW_API_CPU).apply();
diff --git a/services/surfaceflinger/tests/LayerState_test.cpp b/services/surfaceflinger/tests/LayerState_test.cpp
index 094b0ff..2181370 100644
--- a/services/surfaceflinger/tests/LayerState_test.cpp
+++ b/services/surfaceflinger/tests/LayerState_test.cpp
@@ -35,7 +35,7 @@
     args.frameScaleX = 2;
     args.frameScaleY = 4;
     args.captureSecureLayers = true;
-    args.displayToken = new BBinder();
+    args.displayToken = sp<BBinder>::make();
     args.width = 10;
     args.height = 20;
     args.useIdentityTransform = true;
@@ -67,8 +67,8 @@
     args.frameScaleX = 2;
     args.frameScaleY = 4;
     args.captureSecureLayers = true;
-    args.layerHandle = new BBinder();
-    args.excludeHandles = {new BBinder(), new BBinder()};
+    args.layerHandle = sp<BBinder>::make();
+    args.excludeHandles = {sp<BBinder>::make(), sp<BBinder>::make()};
     args.childrenOnly = false;
     args.grayscale = true;
 
@@ -90,13 +90,12 @@
     ASSERT_EQ(args.grayscale, args2.grayscale);
 }
 
-TEST(LayerStateTest, ParcellingScreenCaptureResults) {
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithFence) {
     ScreenCaptureResults results;
-    results.buffer = new GraphicBuffer(100, 200, PIXEL_FORMAT_RGBA_8888, 1, 0);
-    results.fence = new Fence(dup(fileno(tmpfile())));
+    results.buffer = sp<GraphicBuffer>::make(100u, 200u, PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    results.fenceResult = sp<Fence>::make(dup(fileno(tmpfile())));
     results.capturedSecureLayers = true;
     results.capturedDataspace = ui::Dataspace::DISPLAY_P3;
-    results.result = BAD_VALUE;
 
     Parcel p;
     results.writeToParcel(&p);
@@ -110,10 +109,41 @@
     ASSERT_EQ(results.buffer->getWidth(), results2.buffer->getWidth());
     ASSERT_EQ(results.buffer->getHeight(), results2.buffer->getHeight());
     ASSERT_EQ(results.buffer->getPixelFormat(), results2.buffer->getPixelFormat());
-    ASSERT_EQ(results.fence->isValid(), results2.fence->isValid());
+    ASSERT_TRUE(results.fenceResult.ok());
+    ASSERT_TRUE(results2.fenceResult.ok());
+    ASSERT_EQ(results.fenceResult.value()->isValid(), results2.fenceResult.value()->isValid());
     ASSERT_EQ(results.capturedSecureLayers, results2.capturedSecureLayers);
     ASSERT_EQ(results.capturedDataspace, results2.capturedDataspace);
-    ASSERT_EQ(results.result, results2.result);
+}
+
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithNoFenceOrError) {
+    ScreenCaptureResults results;
+
+    Parcel p;
+    results.writeToParcel(&p);
+    p.setDataPosition(0);
+
+    ScreenCaptureResults results2;
+    results2.readFromParcel(&p);
+
+    ASSERT_TRUE(results2.fenceResult.ok());
+    ASSERT_EQ(results2.fenceResult.value(), Fence::NO_FENCE);
+}
+
+TEST(LayerStateTest, ParcellingScreenCaptureResultsWithFenceError) {
+    ScreenCaptureResults results;
+    results.fenceResult = base::unexpected(BAD_VALUE);
+
+    Parcel p;
+    results.writeToParcel(&p);
+    p.setDataPosition(0);
+
+    ScreenCaptureResults results2;
+    results2.readFromParcel(&p);
+
+    ASSERT_FALSE(results.fenceResult.ok());
+    ASSERT_FALSE(results2.fenceResult.ok());
+    ASSERT_EQ(results.fenceResult.error(), results2.fenceResult.error());
 }
 
 } // namespace test
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
index 6bd7920..774c1d7 100644
--- a/services/surfaceflinger/tests/LayerTransactionTest.h
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -23,9 +23,11 @@
 
 #include <cutils/properties.h>
 #include <gtest/gtest.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
 
 #include "BufferGenerator.h"
@@ -39,13 +41,14 @@
 class LayerTransactionTest : public ::testing::Test {
 protected:
     void SetUp() override {
-        mClient = new SurfaceComposerClient;
+        mClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mClient->initCheck()) << "failed to create SurfaceComposerClient";
 
         ASSERT_NO_FATAL_FAILURE(SetUpDisplay());
 
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        ASSERT_NO_FATAL_FAILURE(sf->getColorManagement(&mColorManagementUsed));
+        sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+        binder::Status status = sf->getColorManagement(&mColorManagementUsed);
+        ASSERT_NO_FATAL_FAILURE(gui::aidl_utils::statusTFromBinderStatus(status));
 
         mCaptureArgs.displayToken = mDisplay;
     }
@@ -134,13 +137,16 @@
         postBufferQueueLayerBuffer(layer);
     }
 
-    virtual void fillBufferStateLayerColor(const sp<SurfaceControl>& layer, const Color& color,
-                                           int32_t bufferWidth, int32_t bufferHeight) {
+    virtual void fillBufferLayerColor(const sp<SurfaceControl>& layer, const Color& color,
+                                      int32_t bufferWidth, int32_t bufferHeight) {
         sp<GraphicBuffer> buffer =
-                new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
-                                  BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                          BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE,
-                                  "test");
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                        static_cast<uint32_t>(bufferHeight), PIXEL_FORMAT_RGBA_8888,
+                                        1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
         TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, bufferWidth, bufferHeight),
                                                  color);
         Transaction().setBuffer(layer, buffer).apply();
@@ -153,7 +159,7 @@
                 fillBufferQueueLayerColor(layer, color, bufferWidth, bufferHeight);
                 break;
             case ISurfaceComposerClient::eFXSurfaceBufferState:
-                fillBufferStateLayerColor(layer, color, bufferWidth, bufferHeight);
+                fillBufferLayerColor(layer, color, bufferWidth, bufferHeight);
                 break;
             default:
                 ASSERT_TRUE(false) << "unsupported layer type: " << mLayerType;
@@ -206,10 +212,13 @@
                                               const Color& topRight, const Color& bottomLeft,
                                               const Color& bottomRight) {
         sp<GraphicBuffer> buffer =
-                new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
-                                  BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                          BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE,
-                                  "test");
+                sp<GraphicBuffer>::make(static_cast<uint32_t>(bufferWidth),
+                                        static_cast<uint32_t>(bufferHeight), PIXEL_FORMAT_RGBA_8888,
+                                        1u,
+                                        BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                                BufferUsage::COMPOSER_OVERLAY |
+                                                BufferUsage::GPU_TEXTURE,
+                                        "test");
 
         ASSERT_TRUE(bufferWidth % 2 == 0 && bufferHeight % 2 == 0);
 
@@ -224,7 +233,7 @@
                                                  Rect(halfW, halfH, bufferWidth, bufferHeight),
                                                  bottomRight);
 
-        Transaction().setBuffer(layer, buffer).setSize(layer, bufferWidth, bufferHeight).apply();
+        Transaction().setBuffer(layer, buffer).apply();
     }
 
     std::unique_ptr<ScreenCapture> screenshot() {
diff --git a/services/surfaceflinger/tests/LayerTransaction_test.cpp b/services/surfaceflinger/tests/LayerTransaction_test.cpp
index ef992d6..cbd54e7 100644
--- a/services/surfaceflinger/tests/LayerTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTransaction_test.cpp
@@ -32,7 +32,7 @@
 
     Transaction().setTransformToDisplayInverse(layer, false).apply();
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::GREEN, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::GREEN, 32, 32));
 
     Transaction().setTransformToDisplayInverse(layer, true).apply();
 }
@@ -80,7 +80,7 @@
     sp<SurfaceControl> layer;
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height));
     const auto producer = layer->getIGraphicBufferProducer();
-    const sp<IProducerListener> stubListener(new StubProducerListener);
+    const sp<IProducerListener> stubListener(sp<StubProducerListener>::make());
     IGraphicBufferProducer::QueueBufferOutput queueBufferOutput;
     ASSERT_EQ(OK, producer->connect(stubListener, NATIVE_WINDOW_API_CPU, true, &queueBufferOutput));
 
@@ -154,6 +154,36 @@
 
     ASSERT_EQ(OK, producer->disconnect(NATIVE_WINDOW_API_CPU));
 }
+
+// b/245052266 - we possible could support blur and a buffer at the same layer but
+// might break existing assumptions at higher level. This test captures the current
+// expectations. A layer drawing a buffer will not support blur.
+TEST_F(LayerTransactionTest, BufferTakesPriorityOverBlur) {
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
+    Transaction().setBackgroundBlurRadius(layer, 5).apply();
+    {
+        SCOPED_TRACE("BufferTakesPriorityOverBlur");
+        const Rect rect(0, 0, 32, 32);
+        auto shot = screenshot();
+        shot->expectColor(rect, Color::RED);
+    }
+}
+
+TEST_F(LayerTransactionTest, BufferTakesPriorityOverColor) {
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
+    Transaction().setColor(layer, {Color::GREEN.r, Color::GREEN.g, Color::GREEN.b}).apply();
+    {
+        SCOPED_TRACE("BufferTakesPriorityOverColor");
+        const Rect rect(0, 0, 32, 32);
+        auto shot = screenshot();
+        shot->expectColor(rect, Color::RED);
+    }
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
index 9cb617a..f247c9f 100644
--- a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
@@ -799,7 +799,7 @@
     sp<Surface> surface = layer->getSurface();
 
     sp<GraphicBuffer> buffer =
-            new GraphicBuffer(width, height, PIXEL_FORMAT_RGBX_8888, 1, kUsageFlags, "test");
+            sp<GraphicBuffer>::make(width, height, PIXEL_FORMAT_RGBX_8888, 1, kUsageFlags, "test");
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
 
@@ -815,7 +815,7 @@
         shot->expectColor(crop, Color::BLACK);
     }
 
-    buffer = new GraphicBuffer(width, height, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
+    buffer = sp<GraphicBuffer>::make(width, height, PIXEL_FORMAT_RGBA_8888, 1, kUsageFlags, "test");
     ASSERT_NO_FATAL_FAILURE(
             TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
 
diff --git a/services/surfaceflinger/tests/MirrorLayer_test.cpp b/services/surfaceflinger/tests/MirrorLayer_test.cpp
index a921aa8..faaef5d 100644
--- a/services/surfaceflinger/tests/MirrorLayer_test.cpp
+++ b/services/surfaceflinger/tests/MirrorLayer_test.cpp
@@ -193,14 +193,14 @@
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    sp<SurfaceControl> bufferStateLayer =
-            createLayer("BufferStateLayer", 200, 200, ISurfaceComposerClient::eFXSurfaceBufferState,
+    sp<SurfaceControl> layer =
+            createLayer("Layer", 200, 200, ISurfaceComposerClient::eFXSurfaceBufferState,
                         mChildLayer.get());
-    fillBufferStateLayerColor(bufferStateLayer, Color::BLUE, 200, 200);
-    Transaction().show(bufferStateLayer).apply();
+    fillBufferLayerColor(layer, Color::BLUE, 200, 200);
+    Transaction().show(layer).apply();
 
     {
-        SCOPED_TRACE("Initial Mirror BufferStateLayer");
+        SCOPED_TRACE("Initial Mirror Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::BLUE);
@@ -208,9 +208,9 @@
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    fillBufferStateLayerColor(bufferStateLayer, Color::WHITE, 200, 200);
+    fillBufferLayerColor(layer, Color::WHITE, 200, 200);
     {
-        SCOPED_TRACE("Update BufferStateLayer");
+        SCOPED_TRACE("Update Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::WHITE);
@@ -218,9 +218,9 @@
         shot->expectColor(Rect(750, 750, 950, 950), Color::GREEN);
     }
 
-    Transaction().reparent(bufferStateLayer, nullptr).apply();
+    Transaction().reparent(layer, nullptr).apply();
     {
-        SCOPED_TRACE("Removed BufferStateLayer");
+        SCOPED_TRACE("Removed Layer");
         auto shot = screenshot();
         // Buffer mirror
         shot->expectColor(Rect(550, 550, 750, 750), Color::GREEN);
@@ -283,7 +283,7 @@
     sp<SurfaceControl> grandchild =
             createLayer("Grandchild layer", 50, 50, ISurfaceComposerClient::eFXSurfaceBufferState,
                         mChildLayer.get());
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(grandchild, Color::BLUE, 50, 50));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(grandchild, Color::BLUE, 50, 50));
     Rect childBounds = Rect(50, 50, 450, 450);
 
     asTransaction([&](Transaction& t) {
diff --git a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
index a6d7f58..16076ea 100644
--- a/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
+++ b/services/surfaceflinger/tests/ReleaseBufferCallback_test.cpp
@@ -110,10 +110,10 @@
     }
 
     static sp<GraphicBuffer> getBuffer() {
-        return new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1,
-                                 BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
-                                         BufferUsage::COMPOSER_OVERLAY,
-                                 "test");
+        return sp<GraphicBuffer>::make(32u, 32u, PIXEL_FORMAT_RGBA_8888, 1u,
+                                       BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                               BufferUsage::COMPOSER_OVERLAY,
+                                       "test");
     }
     static uint64_t generateFrameNumber() {
         static uint64_t sFrameNumber = 0;
@@ -332,8 +332,10 @@
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_Merge_Different_Processes) {
-    sp<TransactionCompletedListener> firstCompletedListener = new TransactionCompletedListener();
-    sp<TransactionCompletedListener> secondCompletedListener = new TransactionCompletedListener();
+    sp<TransactionCompletedListener> firstCompletedListener =
+            sp<TransactionCompletedListener>::make();
+    sp<TransactionCompletedListener> secondCompletedListener =
+            sp<TransactionCompletedListener>::make();
 
     CallbackHelper callback1, callback2;
 
@@ -433,8 +435,10 @@
 }
 
 TEST_F(ReleaseBufferCallbackTest, DISABLED_MergeBuffers_Different_Processes) {
-    sp<TransactionCompletedListener> firstCompletedListener = new TransactionCompletedListener();
-    sp<TransactionCompletedListener> secondCompletedListener = new TransactionCompletedListener();
+    sp<TransactionCompletedListener> firstCompletedListener =
+            sp<TransactionCompletedListener>::make();
+    sp<TransactionCompletedListener> secondCompletedListener =
+            sp<TransactionCompletedListener>::make();
 
     TransactionCompletedListener::setInstance(firstCompletedListener);
 
diff --git a/services/surfaceflinger/tests/ScreenCapture_test.cpp b/services/surfaceflinger/tests/ScreenCapture_test.cpp
index 6a7d8b8..3a5e532 100644
--- a/services/surfaceflinger/tests/ScreenCapture_test.cpp
+++ b/services/surfaceflinger/tests/ScreenCapture_test.cpp
@@ -371,7 +371,7 @@
     ScreenCaptureResults captureResults;
     ASSERT_EQ(BAD_VALUE, ScreenCapture::captureLayers(args, captureResults));
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(child, Color::RED, 32, 32));
     SurfaceComposerClient::Transaction().apply(true);
     ASSERT_EQ(NO_ERROR, ScreenCapture::captureLayers(args, captureResults));
     ScreenCapture sc(captureResults.buffer, captureResults.capturedHdrLayers);
@@ -449,8 +449,8 @@
                                                  ISurfaceComposerClient::eFXSurfaceBufferState,
                                                  redLayer.get());
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(blueLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(blueLayer, Color::BLUE, 30, 30));
 
     SurfaceComposerClient::Transaction()
             .setLayer(redLayer, INT32_MAX - 1)
@@ -484,8 +484,8 @@
                                                  ISurfaceComposerClient::eFXSurfaceBufferState,
                                                  redLayer.get());
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(blueLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(blueLayer, Color::BLUE, 30, 30));
 
     SurfaceComposerClient::Transaction()
             .setLayer(redLayer, INT32_MAX - 1)
@@ -519,7 +519,7 @@
 
 TEST_F(ScreenCaptureTest, CaptureInvalidLayer) {
     LayerCaptureArgs args;
-    args.layerHandle = new BBinder();
+    args.layerHandle = sp<BBinder>::make();
 
     ScreenCaptureResults captureResults;
     // Layer was deleted so captureLayers should fail with NAME_NOT_FOUND
@@ -549,8 +549,8 @@
                         ISurfaceComposerClient::eSecure |
                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                         redLayer.get());
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(redLayer, Color::RED, 60, 60));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(secureLayer, Color::BLUE, 30, 30));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(redLayer, Color::RED, 60, 60));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(secureLayer, Color::BLUE, 30, 30));
 
     auto redLayerHandle = redLayer->getHandle();
     Transaction()
@@ -803,7 +803,7 @@
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
     Transaction().show(layer).setLayer(layer, INT32_MAX).apply();
 
     LayerCaptureArgs captureArgs;
@@ -825,7 +825,7 @@
     mCapture->expectColor(Rect(0, 0, 32, 32),
                           Color{expectedColor, expectedColor, expectedColor, 255}, tolerance);
 
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLUE, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLUE, 32, 32));
     ScreenCapture::captureLayers(&mCapture, captureArgs);
 
     expectedColor = luminance.b * 255;
@@ -838,7 +838,7 @@
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::RED, 32, 32));
 
     Transaction().show(layer).hide(mFGSurfaceControl).reparent(layer, nullptr).apply();
 
@@ -865,7 +865,7 @@
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLACK, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLACK, 32, 32));
     Transaction()
             .show(layer)
             .setLayer(layer, INT32_MAX)
@@ -885,7 +885,7 @@
     ASSERT_NO_FATAL_FAILURE(layer = createLayer("test layer", 32, 32,
                                                 ISurfaceComposerClient::eFXSurfaceBufferState,
                                                 mBGSurfaceControl.get()));
-    ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::BLACK, 32, 32));
+    ASSERT_NO_FATAL_FAILURE(fillBufferLayerColor(layer, Color::BLACK, 32, 32));
     Transaction()
             .show(layer)
             .setLayer(layer, INT32_MAX)
diff --git a/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp b/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
index 4efec77..e43ef95 100644
--- a/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
+++ b/services/surfaceflinger/tests/SetFrameRateOverride_test.cpp
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
+#include <android/gui/ISurfaceComposer.h>
 #include <gtest/gtest.h>
 #include <gui/DisplayEventReceiver.h>
-#include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <sys/epoll.h>
 #include <algorithm>
@@ -24,12 +24,14 @@
 namespace android {
 namespace {
 using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
+using gui::ISurfaceComposer;
 
 class SetFrameRateOverrideTest : public ::testing::Test {
 protected:
     void SetUp() override {
-        const ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp;
-        const ISurfaceComposer::EventRegistrationFlags eventRegistration = {
+        const ISurfaceComposer::VsyncSource vsyncSource =
+                ISurfaceComposer::VsyncSource::eVsyncSourceApp;
+        const EventRegistrationFlags eventRegistration = {
                 ISurfaceComposer::EventRegistration::frameRateOverride};
 
         mDisplayEventReceiver =
diff --git a/services/surfaceflinger/tests/Stress_test.cpp b/services/surfaceflinger/tests/Stress_test.cpp
index e9b6ba0..03201f7 100644
--- a/services/surfaceflinger/tests/Stress_test.cpp
+++ b/services/surfaceflinger/tests/Stress_test.cpp
@@ -32,7 +32,7 @@
 
 TEST(SurfaceFlingerStress, create_and_destroy) {
     auto do_stress = []() {
-        sp<SurfaceComposerClient> client = new SurfaceComposerClient;
+        sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, client->initCheck());
         for (int j = 0; j < 1000; j++) {
             auto surf = client->createSurface(String8("t"), 100, 100,
diff --git a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
index 28e8b8c..d79e592 100644
--- a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
+++ b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
@@ -138,8 +138,9 @@
         // Allow SurfaceInterceptor write to /data
         system("setenforce 0");
 
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
+        GTEST_SKIP();
     }
 
     void TearDown() override {
@@ -342,9 +343,7 @@
     t.setPosition(mBGSurfaceControl, POSITION_UPDATE, POSITION_UPDATE);
 }
 
-void SurfaceInterceptorTest::sizeUpdate(Transaction& t) {
-    t.setSize(mBGSurfaceControl, SIZE_UPDATE, SIZE_UPDATE);
-}
+void SurfaceInterceptorTest::sizeUpdate(Transaction&) {}
 
 void SurfaceInterceptorTest::alphaUpdate(Transaction& t) {
     t.setAlpha(mBGSurfaceControl, ALPHA_UPDATE);
@@ -472,15 +471,8 @@
     return foundPosition;
 }
 
-bool SurfaceInterceptorTest::sizeUpdateFound(const SurfaceChange& change, bool foundSize) {
-    bool hasWidth(change.size().h() == SIZE_UPDATE);
-    bool hasHeight(change.size().w() == SIZE_UPDATE);
-    if (hasWidth && hasHeight && !foundSize) {
-        foundSize = true;
-    } else if (hasWidth && hasHeight && foundSize) {
-        [] () { FAIL(); }();
-    }
-    return foundSize;
+bool SurfaceInterceptorTest::sizeUpdateFound(const SurfaceChange&, bool) {
+    return true;
 }
 
 bool SurfaceInterceptorTest::alphaUpdateFound(const SurfaceChange& change, bool foundAlpha) {
diff --git a/services/surfaceflinger/tests/TransactionTestHarnesses.h b/services/surfaceflinger/tests/TransactionTestHarnesses.h
index 8ce63bc..ad03ed3 100644
--- a/services/surfaceflinger/tests/TransactionTestHarnesses.h
+++ b/services/surfaceflinger/tests/TransactionTestHarnesses.h
@@ -53,11 +53,11 @@
                 consumer->setConsumerName(String8("Virtual disp consumer"));
                 consumer->setDefaultBufferSize(resolution.getWidth(), resolution.getHeight());
 
-                itemConsumer = new BufferItemConsumer(consumer,
-                                                      // Sample usage bits from screenrecord
-                                                      GRALLOC_USAGE_HW_VIDEO_ENCODER |
-                                                              GRALLOC_USAGE_SW_READ_OFTEN);
-                sp<BufferListener> listener = new BufferListener(this);
+                itemConsumer = sp<BufferItemConsumer>::make(consumer,
+                                                            // Sample usage bits from screenrecord
+                                                            GRALLOC_USAGE_HW_VIDEO_ENCODER |
+                                                                    GRALLOC_USAGE_SW_READ_OFTEN);
+                sp<BufferListener> listener = sp<BufferListener>::make(this);
                 itemConsumer->setFrameAvailableListener(listener);
 
                 vDisplay = SurfaceComposerClient::createDisplay(String8("VirtualDisplay"),
diff --git a/services/surfaceflinger/tests/VirtualDisplay_test.cpp b/services/surfaceflinger/tests/VirtualDisplay_test.cpp
index 18e0806..f31f582 100644
--- a/services/surfaceflinger/tests/VirtualDisplay_test.cpp
+++ b/services/surfaceflinger/tests/VirtualDisplay_test.cpp
@@ -33,7 +33,7 @@
         consumer->setConsumerName(String8("Virtual disp consumer"));
         consumer->setDefaultBufferSize(100, 100);
 
-        mGLConsumer = new GLConsumer(consumer, GLConsumer::TEXTURE_EXTERNAL, true, false);
+        mGLConsumer = sp<GLConsumer>::make(consumer, GLConsumer::TEXTURE_EXTERNAL, true, false);
     }
 
     sp<IGraphicBufferProducer> mProducer;
@@ -55,7 +55,7 @@
     // add another sync since we are deferring the display destruction
     t.apply(true);
 
-    sp<Surface> surface = new Surface(mProducer);
+    sp<Surface> surface = sp<Surface>::make(mProducer);
     sp<ANativeWindow> window(surface);
 
     ASSERT_EQ(NO_ERROR, native_window_api_connect(window.get(), NATIVE_WINDOW_API_EGL));
diff --git a/services/surfaceflinger/tests/WindowInfosListener_test.cpp b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
index bb52245..53c3c39 100644
--- a/services/surfaceflinger/tests/WindowInfosListener_test.cpp
+++ b/services/surfaceflinger/tests/WindowInfosListener_test.cpp
@@ -29,8 +29,8 @@
 protected:
     void SetUp() override {
         seteuid(AID_SYSTEM);
-        mClient = new SurfaceComposerClient;
-        mWindowInfosListener = new SyncWindowInfosListener();
+        mClient = sp<SurfaceComposerClient>::make();
+        mWindowInfosListener = sp<SyncWindowInfosListener>::make();
         mClient->addWindowInfosListener(mWindowInfosListener);
     }
 
@@ -77,7 +77,7 @@
 
 TEST_F(WindowInfosListenerTest, WindowInfoAddedAndRemoved) {
     std::string name = "Test Layer";
-    sp<IBinder> token = new BBinder();
+    sp<IBinder> token = sp<BBinder>::make();
     WindowInfo windowInfo;
     windowInfo.name = name;
     windowInfo.token = token;
@@ -105,7 +105,7 @@
 
 TEST_F(WindowInfosListenerTest, WindowInfoChanged) {
     std::string name = "Test Layer";
-    sp<IBinder> token = new BBinder();
+    sp<IBinder> token = sp<BBinder>::make();
     WindowInfo windowInfo;
     windowInfo.name = name;
     windowInfo.token = token;
diff --git a/services/surfaceflinger/tests/fakehwc/Android.bp b/services/surfaceflinger/tests/fakehwc/Android.bp
index 704815d..06afdb1 100644
--- a/services/surfaceflinger/tests/fakehwc/Android.bp
+++ b/services/surfaceflinger/tests/fakehwc/Android.bp
@@ -9,7 +9,10 @@
 
 cc_test {
     name: "sffakehwc_test",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "android.hardware.graphics.composer3-ndk_shared",
+        "surfaceflinger_defaults",
+    ],
     test_suites: ["device-tests"],
     srcs: [
         "FakeComposerClient.cpp",
@@ -23,7 +26,6 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
index b38032d..a5cca35 100644
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
+++ b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
@@ -86,7 +86,9 @@
 class DelayedEventGenerator {
 public:
     explicit DelayedEventGenerator(std::function<void()> onTimerExpired)
-          : mOnTimerExpired(onTimerExpired), mThread([this]() { loop(); }) {}
+          : mOnTimerExpired(onTimerExpired) {
+        mThread = std::thread([this]() { loop(); });
+    }
 
     ~DelayedEventGenerator() {
         ALOGI("DelayedEventGenerator exiting.");
@@ -894,7 +896,7 @@
 void FakeComposerClient::onSurfaceFlingerStart() {
     mSurfaceComposer = nullptr;
     do {
-        mSurfaceComposer = new android::SurfaceComposerClient;
+        mSurfaceComposer = android::sp<android::SurfaceComposerClient>::make();
         android::status_t initResult = mSurfaceComposer->initCheck();
         if (initResult != android::NO_ERROR) {
             ALOGD("Init result: %d", initResult);
diff --git a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
index b3b4ec1..1d3401a 100644
--- a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
+++ b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
@@ -29,6 +29,7 @@
 #include "MockComposerHal.h"
 
 #include <binder/Parcel.h>
+#include <gui/AidlStatusUtil.h>
 #include <gui/DisplayEventReceiver.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/LayerDebugInfo.h>
@@ -43,6 +44,7 @@
 #include <hwbinder/ProcessState.h>
 #include <log/log.h>
 #include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <utils/Looper.h>
@@ -218,8 +220,8 @@
         mFakeComposerClient = new FakeComposerClient();
         mFakeComposerClient->setMockHal(mMockComposer.get());
 
-        sp<V2_4::hal::ComposerClient> client = new V2_4::hal::ComposerClient(mFakeComposerClient);
-        mFakeService = new FakeComposerService(client);
+        auto client = sp<V2_4::hal::ComposerClient>::make(mFakeComposerClient);
+        mFakeService = sp<FakeComposerService>::make(client);
         ASSERT_EQ(android::OK, mFakeService->registerAsService("mock"));
 
         android::hardware::ProcessState::self()->startThreadPool();
@@ -240,12 +242,13 @@
         // Fake composer wants to enable VSync injection
         mFakeComposerClient->onSurfaceFlingerStart();
 
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
 
-        mReceiver.reset(new DisplayEventReceiver(ISurfaceComposer::eVsyncSourceApp,
-                                                 ISurfaceComposer::EventRegistration::modeChanged));
-        mLooper = new Looper(false);
+        mReceiver.reset(
+                new DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
+                                         gui::ISurfaceComposer::EventRegistration::modeChanged));
+        mLooper = sp<Looper>::make(false);
         mLooper->addFd(mReceiver->getFd(), 0, ALOOPER_EVENT_INPUT, processDisplayEvents, this);
     }
 
@@ -992,7 +995,7 @@
 
 // Tests that VSYNC injection can be safely toggled while invalidating.
 TEST_F(DisplayTest_2_1, VsyncInjection) {
-    const auto flinger = ComposerService::getComposerService();
+    const auto flinger = ComposerServiceAIDL::getComposerService();
     bool enable = true;
 
     for (int i = 0; i < 100; i++) {
@@ -1140,8 +1143,8 @@
         // TODO: See TODO comment at DisplayTest::SetUp for background on
         // the lifetime of the FakeComposerClient.
         sFakeComposer = new FakeComposerClient;
-        sp<V2_4::hal::ComposerClient> client = new V2_4::hal::ComposerClient(sFakeComposer);
-        sp<V2_1::IComposer> fakeService = new FakeComposerService(client);
+        auto client = sp<V2_4::hal::ComposerClient>::make(sFakeComposer);
+        sp<V2_1::IComposer> fakeService = sp<FakeComposerService>::make(client);
         (void)fakeService->registerAsService("mock");
 
         android::hardware::ProcessState::self()->startThreadPool();
@@ -1164,7 +1167,7 @@
 
     void SetUp() override {
         ALOGI("TransactionTest::SetUp");
-        mComposerClient = new SurfaceComposerClient;
+        mComposerClient = sp<SurfaceComposerClient>::make();
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
 
         ALOGI("TransactionTest::SetUp - display");
@@ -1238,9 +1241,10 @@
         sFakeComposer->clearFrames();
         ASSERT_EQ(0, sFakeComposer->getFrameCount());
 
-        sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        std::vector<LayerDebugInfo> layers;
-        status_t result = sf->getLayerDebugInfo(&layers);
+        sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+        std::vector<gui::LayerDebugInfo> layers;
+        binder::Status status = sf->getLayerDebugInfo(&layers);
+        status_t result = gui::aidl_utils::statusTFromBinderStatus(status);
         if (result != NO_ERROR) {
             ALOGE("Failed to get layers %s %d", strerror(-result), result);
         } else {
diff --git a/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp b/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
index ac4354c..0e214af 100644
--- a/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
+++ b/services/surfaceflinger/tests/tracing/TransactionTraceTestSuite.cpp
@@ -83,6 +83,37 @@
 
 std::vector<std::filesystem::path> TransactionTraceTestSuite::sTransactionTraces{};
 
+struct LayerInfo {
+    int id;
+    std::string name;
+    int parent;
+    int z;
+    uint64_t curr_frame;
+    float x;
+    float y;
+};
+
+bool operator==(const LayerInfo& lh, const LayerInfo& rh) {
+    return std::make_tuple(lh.id, lh.name, lh.parent, lh.z, lh.curr_frame) ==
+            std::make_tuple(rh.id, rh.name, rh.parent, rh.z, rh.curr_frame);
+}
+
+bool compareById(const LayerInfo& a, const LayerInfo& b) {
+    return a.id < b.id;
+}
+
+inline void PrintTo(const LayerInfo& info, ::std::ostream* os) {
+    *os << "Layer [" << info.id << "] name=" << info.name << " parent=" << info.parent
+        << " z=" << info.z << " curr_frame=" << info.curr_frame << " x=" << info.x
+        << " y=" << info.y;
+}
+
+struct find_id : std::unary_function<LayerInfo, bool> {
+    int id;
+    find_id(int id) : id(id) {}
+    bool operator()(LayerInfo const& m) const { return m.id == id; }
+};
+
 TEST_P(TransactionTraceTestSuite, validateEndState) {
     ASSERT_GT(mActualLayersTraceProto.entry_size(), 0);
     ASSERT_GT(mExpectedLayersTraceProto.entry_size(), 0);
@@ -92,19 +123,64 @@
     auto actualLastEntry = mActualLayersTraceProto.entry(mActualLayersTraceProto.entry_size() - 1);
 
     EXPECT_EQ(expectedLastEntry.layers().layers_size(), actualLastEntry.layers().layers_size());
-    for (int i = 0;
-         i < expectedLastEntry.layers().layers_size() && i < actualLastEntry.layers().layers_size();
-         i++) {
-        auto expectedLayer = expectedLastEntry.layers().layers(i);
-        auto actualLayer = actualLastEntry.layers().layers(i);
-        EXPECT_EQ(expectedLayer.id(), actualLayer.id());
-        EXPECT_EQ(expectedLayer.name(), actualLayer.name());
-        EXPECT_EQ(expectedLayer.parent(), actualLayer.parent());
-        EXPECT_EQ(expectedLayer.z(), actualLayer.z());
-        EXPECT_EQ(expectedLayer.curr_frame(), actualLayer.curr_frame());
-        ALOGV("Validating %s[%d] parent=%d z=%d frame=%" PRIu64, expectedLayer.name().c_str(),
-              expectedLayer.id(), expectedLayer.parent(), expectedLayer.z(),
-              expectedLayer.curr_frame());
+
+    std::vector<LayerInfo> expectedLayers;
+    expectedLayers.reserve(static_cast<size_t>(expectedLastEntry.layers().layers_size()));
+    for (int i = 0; i < expectedLastEntry.layers().layers_size(); i++) {
+        auto layer = expectedLastEntry.layers().layers(i);
+        expectedLayers.push_back({layer.id(), layer.name(), layer.parent(), layer.z(),
+                                  layer.curr_frame(),
+                                  layer.has_position() ? layer.position().x() : -1,
+                                  layer.has_position() ? layer.position().y() : -1});
+    }
+    std::sort(expectedLayers.begin(), expectedLayers.end(), compareById);
+
+    std::vector<LayerInfo> actualLayers;
+    actualLayers.reserve(static_cast<size_t>(actualLastEntry.layers().layers_size()));
+    for (int i = 0; i < actualLastEntry.layers().layers_size(); i++) {
+        auto layer = actualLastEntry.layers().layers(i);
+        actualLayers.push_back({layer.id(), layer.name(), layer.parent(), layer.z(),
+                                layer.curr_frame(),
+                                layer.has_position() ? layer.position().x() : -1,
+                                layer.has_position() ? layer.position().y() : -1});
+    }
+    std::sort(actualLayers.begin(), actualLayers.end(), compareById);
+
+    size_t i = 0;
+    for (; i < actualLayers.size() && i < expectedLayers.size(); i++) {
+        auto it = std::find_if(actualLayers.begin(), actualLayers.end(),
+                               find_id(expectedLayers[i].id));
+        EXPECT_NE(it, actualLayers.end());
+        EXPECT_EQ(expectedLayers[i], *it);
+        ALOGV("Validating %s[%d] parent=%d z=%d frame=%" PRIu64, expectedLayers[i].name.c_str(),
+              expectedLayers[i].id, expectedLayers[i].parent, expectedLayers[i].z,
+              expectedLayers[i].curr_frame);
+    }
+
+    EXPECT_EQ(expectedLayers.size(), actualLayers.size());
+
+    if (i < actualLayers.size()) {
+        for (size_t j = 0; j < actualLayers.size(); j++) {
+            if (std::find_if(expectedLayers.begin(), expectedLayers.end(),
+                             find_id(actualLayers[j].id)) == expectedLayers.end()) {
+                ALOGD("actualLayers [%d]:%s parent=%d z=%d frame=%" PRIu64, actualLayers[j].id,
+                      actualLayers[j].name.c_str(), actualLayers[j].parent, actualLayers[j].z,
+                      actualLayers[j].curr_frame);
+            }
+        }
+        FAIL();
+    }
+
+    if (i < expectedLayers.size()) {
+        for (size_t j = 0; j < expectedLayers.size(); j++) {
+            if (std::find_if(actualLayers.begin(), actualLayers.end(),
+                             find_id(expectedLayers[j].id)) == actualLayers.end()) {
+                ALOGD("expectedLayers [%d]:%s parent=%d z=%d frame=%" PRIu64, expectedLayers[j].id,
+                      expectedLayers[j].name.c_str(), expectedLayers[j].parent, expectedLayers[j].z,
+                      expectedLayers[j].curr_frame);
+            }
+        }
+        FAIL();
     }
 }
 
diff --git a/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope b/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope
new file mode 100644
index 0000000..16a91ee
--- /dev/null
+++ b/services/surfaceflinger/tests/tracing/testdata/layers_trace_nodisplayfound.winscope
Binary files differ
diff --git a/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope b/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope
new file mode 100644
index 0000000..cd62ab8
--- /dev/null
+++ b/services/surfaceflinger/tests/tracing/testdata/transactions_trace_nodisplayfound.winscope
Binary files differ
diff --git a/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp b/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
index 53de4a6..513f779 100644
--- a/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
+++ b/services/surfaceflinger/tests/unittests/AidlPowerHalWrapperTest.cpp
@@ -50,20 +50,15 @@
     sp<NiceMock<MockIPower>> mMockHal = nullptr;
     sp<NiceMock<MockIPowerHintSession>> mMockSession = nullptr;
     void verifyAndClearExpectations();
-    void sendActualWorkDurationGroup(std::vector<WorkDuration> durations,
-                                     std::chrono::nanoseconds sleepBeforeLastSend);
-    std::chrono::nanoseconds mAllowedDeviation;
-    std::chrono::nanoseconds mStaleTimeout;
+    void sendActualWorkDurationGroup(std::vector<WorkDuration> durations);
+    static constexpr std::chrono::duration kStaleTimeout = 100ms;
 };
 
 void AidlPowerHalWrapperTest::SetUp() {
-    mMockHal = new NiceMock<MockIPower>();
-    mMockSession = new NiceMock<MockIPowerHintSession>();
+    mMockHal = sp<NiceMock<MockIPower>>::make();
+    mMockSession = sp<NiceMock<MockIPowerHintSession>>::make();
     ON_CALL(*mMockHal.get(), getHintSessionPreferredRate(_)).WillByDefault(Return(Status::ok()));
     mWrapper = std::make_unique<AidlPowerHalWrapper>(mMockHal);
-    mWrapper->setAllowedActualDeviation(std::chrono::nanoseconds{10ms}.count());
-    mAllowedDeviation = std::chrono::nanoseconds{mWrapper->mAllowedActualDeviation};
-    mStaleTimeout = AidlPowerHalWrapper::kStaleTimeout;
 }
 
 void AidlPowerHalWrapperTest::verifyAndClearExpectations() {
@@ -71,14 +66,11 @@
     Mock::VerifyAndClearExpectations(mMockSession.get());
 }
 
-void AidlPowerHalWrapperTest::sendActualWorkDurationGroup(
-        std::vector<WorkDuration> durations, std::chrono::nanoseconds sleepBeforeLastSend) {
+void AidlPowerHalWrapperTest::sendActualWorkDurationGroup(std::vector<WorkDuration> durations) {
     for (size_t i = 0; i < durations.size(); i++) {
-        if (i == durations.size() - 1) {
-            std::this_thread::sleep_for(sleepBeforeLastSend);
-        }
         auto duration = durations[i];
-        mWrapper->sendActualWorkDuration(duration.durationNanos, duration.timeStampNanos);
+        mWrapper->sendActualWorkDuration(Duration::fromNs(duration.durationNanos),
+                                         TimePoint::fromNs(duration.timeStampNanos));
     }
 }
 
@@ -164,13 +156,13 @@
 
     for (const auto& test : testCases) {
         // reset to 100ms baseline
-        mWrapper->setTargetWorkDuration(1);
-        mWrapper->setTargetWorkDuration(base.count());
+        mWrapper->setTargetWorkDuration(1ns);
+        mWrapper->setTargetWorkDuration(base);
 
-        auto target = test.first;
+        std::chrono::nanoseconds target = test.first;
         EXPECT_CALL(*mMockSession.get(), updateTargetWorkDuration(target.count()))
                 .Times(test.second ? 1 : 0);
-        mWrapper->setTargetWorkDuration(target.count());
+        mWrapper->setTargetWorkDuration(target);
         verifyAndClearExpectations();
     }
 }
@@ -187,7 +179,7 @@
 
     EXPECT_CALL(*mMockSession.get(), updateTargetWorkDuration(1))
             .WillOnce(Return(Status::fromExceptionCode(Status::Exception::EX_ILLEGAL_STATE)));
-    mWrapper->setTargetWorkDuration(1);
+    mWrapper->setTargetWorkDuration(1ns);
     EXPECT_TRUE(mWrapper->shouldReconnectHAL());
 }
 
@@ -206,58 +198,24 @@
     // 100ms
     const std::vector<std::pair<std::vector<std::pair<std::chrono::nanoseconds, nsecs_t>>, bool>>
             testCases = {{{{-1ms, 100}}, false},
-                         {{{100ms - (mAllowedDeviation / 2), 100}}, false},
-                         {{{100ms + (mAllowedDeviation / 2), 100}}, false},
-                         {{{100ms + (mAllowedDeviation + 1ms), 100}}, true},
-                         {{{100ms - (mAllowedDeviation + 1ms), 100}}, true},
+                         {{{50ms, 100}}, true},
                          {{{100ms, 100}, {200ms, 200}}, true},
                          {{{100ms, 500}, {100ms, 600}, {3ms, 600}}, true}};
 
     for (const auto& test : testCases) {
         // reset actual duration
-        sendActualWorkDurationGroup({base}, mStaleTimeout);
+        sendActualWorkDurationGroup({base});
 
         auto raw = test.first;
         std::vector<WorkDuration> durations(raw.size());
         std::transform(raw.begin(), raw.end(), durations.begin(),
                        [](auto d) { return toWorkDuration(d); });
-        EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(durations))
-                .Times(test.second ? 1 : 0);
-        sendActualWorkDurationGroup(durations, 0ms);
-        verifyAndClearExpectations();
-    }
-}
-
-TEST_F(AidlPowerHalWrapperTest, sendActualWorkDuration_exceedsStaleTime) {
-    ASSERT_TRUE(mWrapper->supportsPowerHintSession());
-
-    std::vector<int32_t> threadIds = {1, 2};
-    mWrapper->setPowerHintSessionThreadIds(threadIds);
-    EXPECT_CALL(*mMockHal.get(), createHintSession(_, _, threadIds, _, _))
-            .WillOnce(DoAll(SetArgPointee<4>(mMockSession), Return(Status::ok())));
-    ASSERT_TRUE(mWrapper->startPowerHintSession());
-    verifyAndClearExpectations();
-
-    auto base = toWorkDuration(100ms, 0);
-    // test cases with actual work durations and whether it should update hint against baseline
-    // 100ms
-    const std::vector<std::tuple<std::vector<std::pair<std::chrono::nanoseconds, nsecs_t>>,
-                                 std::chrono::nanoseconds, bool>>
-            testCases = {{{{100ms, 100}}, mStaleTimeout, true},
-                         {{{100ms + (mAllowedDeviation / 2), 100}}, mStaleTimeout, true},
-                         {{{100ms, 100}}, mStaleTimeout / 2, false}};
-
-    for (const auto& test : testCases) {
-        // reset actual duration
-        sendActualWorkDurationGroup({base}, mStaleTimeout);
-
-        auto raw = std::get<0>(test);
-        std::vector<WorkDuration> durations(raw.size());
-        std::transform(raw.begin(), raw.end(), durations.begin(),
-                       [](auto d) { return toWorkDuration(d); });
-        EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(durations))
-                .Times(std::get<2>(test) ? 1 : 0);
-        sendActualWorkDurationGroup(durations, std::get<1>(test));
+        for (auto& duration : durations) {
+            EXPECT_CALL(*mMockSession.get(),
+                        reportActualWorkDuration(std::vector<WorkDuration>{duration}))
+                    .Times(test.second ? 1 : 0);
+        }
+        sendActualWorkDurationGroup(durations);
         verifyAndClearExpectations();
     }
 }
@@ -275,7 +233,7 @@
     duration.durationNanos = 1;
     EXPECT_CALL(*mMockSession.get(), reportActualWorkDuration(_))
             .WillOnce(Return(Status::fromExceptionCode(Status::Exception::EX_ILLEGAL_STATE)));
-    sendActualWorkDurationGroup({duration}, 0ms);
+    sendActualWorkDurationGroup({duration});
     EXPECT_TRUE(mWrapper->shouldReconnectHAL());
 }
 
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 004f31c..4469df0 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -109,6 +109,7 @@
         "SurfaceFlinger_SetDisplayStateTest.cpp",
         "SurfaceFlinger_SetPowerModeInternalTest.cpp",
         "SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp",
+        "SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp",
         "SchedulerTest.cpp",
         "SetFrameRateTest.cpp",
         "RefreshRateConfigsTest.cpp",
@@ -135,15 +136,17 @@
 
 cc_defaults {
     name: "libsurfaceflinger_mocks_defaults",
+    defaults: [
+        "android.hardware.graphics.common-ndk_static",
+        "android.hardware.graphics.composer3-ndk_static",
+    ],
     static_libs: [
         "android.hardware.common-V2-ndk",
         "android.hardware.common.fmq-V1-ndk",
-        "android.hardware.graphics.common-V3-ndk",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.3",
         "android.hardware.graphics.composer@2.4",
-        "android.hardware.graphics.composer3-V1-ndk",
         "android.hardware.power@1.0",
         "android.hardware.power@1.1",
         "android.hardware.power@1.2",
diff --git a/services/surfaceflinger/tests/unittests/CachingTest.cpp b/services/surfaceflinger/tests/unittests/CachingTest.cpp
index 6f85498..c1cbbfb 100644
--- a/services/surfaceflinger/tests/unittests/CachingTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CachingTest.cpp
@@ -20,21 +20,24 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <gui/BufferQueue.h>
-#include "BufferStateLayer.h"
+
+#include "HwcSlotGenerator.h"
 
 namespace android {
 
 class SlotGenerationTest : public testing::Test {
 protected:
-    sp<BufferStateLayer::HwcSlotGenerator> mHwcSlotGenerator =
-            sp<BufferStateLayer::HwcSlotGenerator>::make();
-    sp<GraphicBuffer> mBuffer1{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer2{new GraphicBuffer(1, 1, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
-    sp<GraphicBuffer> mBuffer3{new GraphicBuffer(10, 10, HAL_PIXEL_FORMAT_RGBA_8888, 1, 0)};
+    sp<HwcSlotGenerator> mHwcSlotGenerator = sp<HwcSlotGenerator>::make();
+    sp<GraphicBuffer> mBuffer1 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    sp<GraphicBuffer> mBuffer2 =
+            sp<GraphicBuffer>::make(1u, 1u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
+    sp<GraphicBuffer> mBuffer3 =
+            sp<GraphicBuffer>::make(10u, 10u, HAL_PIXEL_FORMAT_RGBA_8888, 1u, 0u);
 };
 
 TEST_F(SlotGenerationTest, getHwcCacheSlot_Invalid) {
-    sp<IBinder> binder = new BBinder();
+    sp<IBinder> binder = sp<BBinder>::make();
     // test getting invalid client_cache_id
     client_cache_t id;
     int slot = mHwcSlotGenerator->getHwcCacheSlot(id);
@@ -42,7 +45,7 @@
 }
 
 TEST_F(SlotGenerationTest, getHwcCacheSlot_Basic) {
-    sp<IBinder> binder = new BBinder();
+    sp<IBinder> binder = sp<BBinder>::make();
     client_cache_t id;
     id.token = binder;
     id.id = 0;
@@ -63,7 +66,7 @@
 }
 
 TEST_F(SlotGenerationTest, getHwcCacheSlot_Reuse) {
-    sp<IBinder> binder = new BBinder();
+    sp<IBinder> binder = sp<BBinder>::make();
     std::vector<client_cache_t> ids;
     uint32_t cacheId = 0;
     // fill up cache
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index bbfedc7..7148c11 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -37,10 +37,7 @@
 #include <system/window.h>
 #include <utils/String8.h>
 
-#include "BufferQueueLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayRenderArea.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -131,13 +128,15 @@
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -179,11 +178,11 @@
     sp<DisplayDevice> mDisplay;
     sp<DisplayDevice> mExternalDisplay;
     sp<compositionengine::mock::DisplaySurface> mDisplaySurface =
-            new compositionengine::mock::DisplaySurface();
-    mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
     std::vector<sp<Layer>> mAuxiliaryLayers;
 
-    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
+    sp<GraphicBuffer> mBuffer = sp<GraphicBuffer>::make();
     ANativeWindowBuffer* mNativeWindowBuffer = mBuffer->getNativeBuffer();
 
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -309,16 +308,20 @@
                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
                                                        ceDisplayArgs);
 
+        constexpr auto kDisplayConnectionType = ui::DisplayConnectionType::Internal;
+        constexpr bool kIsPrimary = true;
+
         test->mDisplay = FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
-                                                   ui::DisplayConnectionType::Internal, HWC_DISPLAY,
-                                                   true /* isPrimary */)
+                                                   kDisplayConnectionType, HWC_DISPLAY, kIsPrimary)
                                  .setDisplaySurface(test->mDisplaySurface)
                                  .setNativeWindow(test->mNativeWindow)
                                  .setSecure(Derived::IS_SECURE)
                                  .setPowerMode(Derived::INIT_POWER_MODE)
                                  .inject();
-        Mock::VerifyAndClear(test->mNativeWindow);
-        test->mDisplay->setLayerStack(LAYER_STACK);
+        Mock::VerifyAndClear(test->mNativeWindow.get());
+
+        constexpr bool kIsInternal = kDisplayConnectionType == ui::DisplayConnectionType::Internal;
+        test->mDisplay->setLayerFilter({LAYER_STACK, kIsInternal});
     }
 
     template <typename Case>
@@ -351,15 +354,13 @@
                 .WillRepeatedly([&](const renderengine::DisplaySettings& displaySettings,
                                     const std::vector<renderengine::LayerSettings>&,
                                     const std::shared_ptr<renderengine::ExternalTexture>&,
-                                    const bool, base::unique_fd&&)
-                                        -> std::future<renderengine::RenderEngineResult> {
+                                    const bool, base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.clip);
-                    return futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()});
+                    return futureOf<FenceResult>(Fence::NO_FENCE);
                 });
     }
 
@@ -404,16 +405,14 @@
                 .WillRepeatedly([&](const renderengine::DisplaySettings& displaySettings,
                                     const std::vector<renderengine::LayerSettings>&,
                                     const std::shared_ptr<renderengine::ExternalTexture>&,
-                                    const bool, base::unique_fd&&)
-                                        -> std::future<renderengine::RenderEngineResult> {
+                                    const bool, base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.clip);
                     EXPECT_EQ(ui::Dataspace::UNKNOWN, displaySettings.outputDataspace);
-                    return futureOf<renderengine::RenderEngineResult>(
-                            {NO_ERROR, base::unique_fd()});
+                    return futureOf<FenceResult>(Fence::NO_FENCE);
                 });
     }
 
@@ -492,65 +491,31 @@
     static constexpr IComposerClient::BlendMode BLENDMODE =
             IComposerClient::BlendMode::PREMULTIPLIED;
 
-    static void enqueueBuffer(CompositionTest*, sp<BufferQueueLayer> layer) {
-        auto producer = layer->getProducer();
-
-        IGraphicBufferProducer::QueueBufferOutput qbo;
-        status_t result = producer->connect(nullptr, NATIVE_WINDOW_API_EGL, false, &qbo);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to connect() (%d)", result);
-            return;
-        }
-
-        int slot;
-        sp<Fence> fence;
-        result = producer->dequeueBuffer(&slot, &fence, LayerProperties::WIDTH,
-                                         LayerProperties::HEIGHT, LayerProperties::FORMAT,
-                                         LayerProperties::USAGE, nullptr, nullptr);
-        if (result != IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
-            ALOGE("Failed to dequeueBuffer() (%d)", result);
-            return;
-        }
-
-        sp<GraphicBuffer> buffer;
-        result = producer->requestBuffer(slot, &buffer);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to requestBuffer() (%d)", result);
-            return;
-        }
-
-        IGraphicBufferProducer::QueueBufferInput qbi(systemTime(), false /* isAutoTimestamp */,
-                                                     LayerProperties::DATASPACE,
-                                                     Rect(LayerProperties::WIDTH,
-                                                          LayerProperties::HEIGHT),
-                                                     LayerProperties::SCALING_MODE,
-                                                     LayerProperties::TRANSFORM, Fence::NO_FENCE);
-        result = producer->queueBuffer(slot, qbi, &qbo);
-        if (result != NO_ERROR) {
-            ALOGE("Failed to queueBuffer (%d)", result);
-            return;
-        }
-    }
-
-    static void setupLatchedBuffer(CompositionTest* test, sp<BufferQueueLayer> layer) {
-        // TODO: Eliminate the complexity of actually creating a buffer
-        layer->setSizeForTest(LayerProperties::WIDTH, LayerProperties::HEIGHT);
-        status_t err =
-                layer->setDefaultBufferProperties(LayerProperties::WIDTH, LayerProperties::HEIGHT,
-                                                  LayerProperties::FORMAT);
-        ASSERT_EQ(NO_ERROR, err);
+    static void setupLatchedBuffer(CompositionTest* test, sp<Layer> layer) {
         Mock::VerifyAndClear(test->mRenderEngine);
 
-        EXPECT_CALL(*test->mFlinger.scheduler(), scheduleFrame()).Times(1);
-        enqueueBuffer(test, layer);
-        Mock::VerifyAndClearExpectations(test->mFlinger.scheduler());
+        const auto buffer = std::make_shared<
+                renderengine::mock::FakeExternalTexture>(LayerProperties::WIDTH,
+                                                         LayerProperties::HEIGHT,
+                                                         DEFAULT_TEXTURE_ID,
+                                                         LayerProperties::FORMAT,
+                                                         LayerProperties::USAGE |
+                                                                 GraphicBuffer::USAGE_HW_TEXTURE);
+
+        auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
+        layerDrawingState.crop = Rect(0, 0, LayerProperties::HEIGHT, LayerProperties::WIDTH);
+        layerDrawingState.buffer = buffer;
+        layerDrawingState.acquireFence = Fence::NO_FENCE;
+        layerDrawingState.dataspace = ui::Dataspace::UNKNOWN;
+        layer->setSurfaceDamageRegion(
+                Region(Rect(LayerProperties::HEIGHT, LayerProperties::WIDTH)));
 
         bool ignoredRecomputeVisibleRegions;
-        layer->latchBuffer(ignoredRecomputeVisibleRegions, 0, 0);
+        layer->latchBuffer(ignoredRecomputeVisibleRegions, 0);
         Mock::VerifyAndClear(test->mRenderEngine);
     }
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         setupLatchedBuffer(test, layer);
     }
 
@@ -640,7 +605,7 @@
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -648,9 +613,7 @@
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so gtet the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE() << "layerSettings was not expected to be empty in "
                                          "setupREBufferCompositionCommonCallExpectations "
@@ -664,7 +627,8 @@
                     EXPECT_EQ(false, layer.source.buffer.isY410BT2020);
                     EXPECT_EQ(true, layer.source.buffer.usePremultipliedAlpha);
                     EXPECT_EQ(false, layer.source.buffer.isOpaque);
-                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.x);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.y);
                     EXPECT_EQ(ui::Dataspace::UNKNOWN, layer.sourceDataspace);
                     EXPECT_EQ(LayerProperties::COLOR[3], layer.alpha);
                     return resultFuture;
@@ -692,7 +656,7 @@
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -700,9 +664,7 @@
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so get the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE()
                                 << "layerSettings was not expected to be empty in "
@@ -714,7 +676,8 @@
                     EXPECT_EQ(half3(LayerProperties::COLOR[0], LayerProperties::COLOR[1],
                                     LayerProperties::COLOR[2]),
                               layer.source.solidColor);
-                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.x);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.y);
                     EXPECT_EQ(ui::Dataspace::UNKNOWN, layer.sourceDataspace);
                     EXPECT_EQ(LayerProperties::COLOR[3], layer.alpha);
                     return resultFuture;
@@ -736,7 +699,7 @@
     using Base = BaseLayerProperties<SidebandLayerProperties>;
     static constexpr IComposerClient::BlendMode BLENDMODE = IComposerClient::BlendMode::NONE;
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         sp<NativeHandle> stream =
                 NativeHandle::create(reinterpret_cast<native_handle_t*>(DEFAULT_SIDEBAND_STREAM),
                                      false);
@@ -772,7 +735,7 @@
                 .WillOnce([&](const renderengine::DisplaySettings& displaySettings,
                               const std::vector<renderengine::LayerSettings>& layerSettings,
                               const std::shared_ptr<renderengine::ExternalTexture>&, const bool,
-                              base::unique_fd&&) -> std::future<renderengine::RenderEngineResult> {
+                              base::unique_fd&&) -> std::future<FenceResult> {
                     EXPECT_EQ(DEFAULT_DISPLAY_MAX_LUMINANCE, displaySettings.maxLuminance);
                     EXPECT_EQ(Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                               displaySettings.physicalDisplay);
@@ -780,9 +743,7 @@
                               displaySettings.clip);
                     // screen capture adds an additional color layer as an alpha
                     // prefill, so get the back layer.
-                    std::future<renderengine::RenderEngineResult> resultFuture =
-                            futureOf<renderengine::RenderEngineResult>(
-                                    {NO_ERROR, base::unique_fd()});
+                    std::future<FenceResult> resultFuture = futureOf<FenceResult>(Fence::NO_FENCE);
                     if (layerSettings.empty()) {
                         ADD_FAILURE() << "layerSettings was not expected to be empty in "
                                          "setupInsecureREBufferCompositionCommonCallExpectations "
@@ -792,7 +753,8 @@
                     const renderengine::LayerSettings layer = layerSettings.back();
                     EXPECT_THAT(layer.source.buffer.buffer, IsNull());
                     EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), layer.source.solidColor);
-                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.x);
+                    EXPECT_EQ(0.0, layer.geometry.roundedCornersRadius.y);
                     EXPECT_EQ(ui::Dataspace::UNKNOWN, layer.sourceDataspace);
                     EXPECT_EQ(1.0f, layer.alpha);
                     return resultFuture;
@@ -818,14 +780,14 @@
 struct CursorLayerProperties : public BaseLayerProperties<CursorLayerProperties> {
     using Base = BaseLayerProperties<CursorLayerProperties>;
 
-    static void setupLayerState(CompositionTest* test, sp<BufferQueueLayer> layer) {
+    static void setupLayerState(CompositionTest* test, sp<Layer> layer) {
         Base::setupLayerState(test, layer);
         test->mFlinger.setLayerPotentialCursor(layer, true);
     }
 };
 
 struct NoLayerVariant {
-    using FlingerLayerType = sp<BufferQueueLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest*) { return FlingerLayerType(); }
     static void injectLayer(CompositionTest*, FlingerLayerType) {}
@@ -859,8 +821,6 @@
     static void initLayerDrawingStateAndComputeBounds(CompositionTest* test, sp<L> layer) {
         auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
         layerDrawingState.layerStack = LAYER_STACK;
-        layerDrawingState.width = 100;
-        layerDrawingState.height = 100;
         layerDrawingState.color = half4(LayerProperties::COLOR[0], LayerProperties::COLOR[1],
                                         LayerProperties::COLOR[2], LayerProperties::COLOR[3]);
         layer->computeBounds(FloatRect(0, 0, 100, 100), ui::Transform(), 0.f /* shadowRadius */);
@@ -896,13 +856,13 @@
 template <typename LayerProperties>
 struct EffectLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<EffectLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
-        FlingerLayerType layer = Base::template createLayerWithFactory<EffectLayer>(test, [test]() {
-            return new EffectLayer(
-                    LayerCreationArgs(test->mFlinger.flinger(), sp<Client>(), "test-layer",
-                                      LayerProperties::LAYER_FLAGS, LayerMetadata()));
+        FlingerLayerType layer = Base::template createLayerWithFactory<Layer>(test, [test]() {
+            return sp<Layer>::make(LayerCreationArgs(test->mFlinger.flinger(), sp<Client>(),
+                                                     "test-layer", LayerProperties::LAYER_FLAGS,
+                                                     LayerMetadata()));
         });
 
         auto& layerDrawingState = test->mFlinger.mutableLayerDrawingState(layer);
@@ -932,17 +892,17 @@
 template <typename LayerProperties>
 struct BufferLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<BufferQueueLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
         test->mFlinger.mutableTexturePool().push_back(DEFAULT_TEXTURE_ID);
 
         FlingerLayerType layer =
-                Base::template createLayerWithFactory<BufferQueueLayer>(test, [test]() {
+                Base::template createLayerWithFactory<Layer>(test, [test]() {
                     LayerCreationArgs args(test->mFlinger.flinger(), sp<Client>(), "test-layer",
                                            LayerProperties::LAYER_FLAGS, LayerMetadata());
                     args.textureName = test->mFlinger.mutableTexturePool().back();
-                    return new BufferQueueLayer(args);
+                    return sp<Layer>::make(args);
                 });
 
         LayerProperties::setupLayerState(test, layer);
@@ -984,12 +944,12 @@
 template <typename LayerProperties>
 struct ContainerLayerVariant : public BaseLayerVariant<LayerProperties> {
     using Base = BaseLayerVariant<LayerProperties>;
-    using FlingerLayerType = sp<ContainerLayer>;
+    using FlingerLayerType = sp<Layer>;
 
     static FlingerLayerType createLayer(CompositionTest* test) {
         LayerCreationArgs args(test->mFlinger.flinger(), sp<Client>(), "test-container-layer",
                                LayerProperties::LAYER_FLAGS, LayerMetadata());
-        FlingerLayerType layer = new ContainerLayer(args);
+        FlingerLayerType layer = sp<Layer>::make(args);
         Base::template initLayerDrawingStateAndComputeBounds(test, layer);
         return layer;
     }
diff --git a/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp b/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
index 93af225..982b9ff 100644
--- a/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayDevice_InitiateModeChange.cpp
@@ -42,6 +42,7 @@
         PrimaryDisplayVariant::setupHwcGetActiveConfigCallExpectations(this);
 
         mFlinger.onComposerHalHotplug(PrimaryDisplayVariant::HWC_DISPLAY_ID, Connection::CONNECTED);
+        mFlinger.configureAndCommit();
 
         mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
                            .setDisplayModes(makeModes(kMode60, kMode90, kMode120), kModeId60)
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index f04221c..abe32c9 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -36,8 +36,7 @@
             ::testing::UnitTest::GetInstance()->current_test_info();
     ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
 
-    // Default to no wide color display support configured
-    mFlinger.mutableHasWideColorDisplay() = false;
+    mFlinger.mutableSupportsWideColor() = false;
     mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
 
     mFlinger.setCreateBufferQueueFunction([](auto, auto, auto) {
@@ -66,13 +65,15 @@
 void DisplayTransactionTest::injectMockScheduler() {
     EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*mEventThread, createEventConnection(_, _))
-            .WillOnce(Return(
-                    new EventThreadConnection(mEventThread, /*callingUid=*/0, ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(mEventThread,
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*mSFEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*mSFEventThread, createEventConnection(_, _))
-            .WillOnce(Return(
-                    new EventThreadConnection(mSFEventThread, /*callingUid=*/0, ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(mSFEventThread,
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     mFlinger.setupScheduler(std::unique_ptr<scheduler::VsyncController>(mVsyncController),
                             std::unique_ptr<scheduler::VSyncTracker>(mVSyncTracker),
@@ -100,8 +101,8 @@
     // This setup is only expected once per test.
     ASSERT_TRUE(mConsumer == nullptr && mProducer == nullptr);
 
-    mConsumer = new mock::GraphicBufferConsumer();
-    mProducer = new mock::GraphicBufferProducer();
+    mConsumer = sp<mock::GraphicBufferConsumer>::make();
+    mProducer = sp<mock::GraphicBufferProducer>::make();
 
     mFlinger.setCreateBufferQueueFunction([this](auto outProducer, auto outConsumer, bool) {
         *outProducer = mProducer;
@@ -166,7 +167,12 @@
 }
 
 bool DisplayTransactionTest::hasPhysicalHwcDisplay(HWDisplayId hwcDisplayId) const {
-    return mFlinger.hwcPhysicalDisplayIdMap().count(hwcDisplayId) == 1;
+    const auto& map = mFlinger.hwcPhysicalDisplayIdMap();
+
+    const auto it = map.find(hwcDisplayId);
+    if (it == map.end()) return false;
+
+    return mFlinger.hwcDisplayData().count(it->second) == 1;
 }
 
 bool DisplayTransactionTest::hasTransactionFlagSet(int32_t flag) const {
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
index f5235ce..20e776f 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
@@ -111,8 +111,8 @@
     // Test instances
 
     TestableSurfaceFlinger mFlinger;
-    sp<mock::NativeWindow> mNativeWindow = new mock::NativeWindow();
-    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
+    sp<GraphicBuffer> mBuffer = sp<GraphicBuffer>::make();
     Hwc2::mock::PowerAdvisor mPowerAdvisor;
 
     // These mocks are created by the test, but are destroyed by SurfaceFlinger
@@ -120,7 +120,7 @@
     // to keep a reference to them for use in setting up call expectations.
     renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
     Hwc2::mock::Composer* mComposer = nullptr;
-    sp<mock::SurfaceInterceptor> mSurfaceInterceptor = new mock::SurfaceInterceptor;
+    sp<mock::SurfaceInterceptor> mSurfaceInterceptor = sp<mock::SurfaceInterceptor>::make();
 
     mock::VsyncController* mVsyncController = new mock::VsyncController;
     mock::VSyncTracker* mVSyncTracker = new mock::VSyncTracker;
@@ -434,14 +434,18 @@
         }
     }
 
+    template <bool kFailedHotplug = false>
     static void setupHwcHotplugCallExpectations(DisplayTransactionTest* test) {
-        constexpr auto CONNECTION_TYPE =
-                PhysicalDisplay::CONNECTION_TYPE == ui::DisplayConnectionType::Internal
-                ? IComposerClient::DisplayConnectionType::INTERNAL
-                : IComposerClient::DisplayConnectionType::EXTERNAL;
+        if constexpr (!kFailedHotplug) {
+            constexpr auto CONNECTION_TYPE =
+                    PhysicalDisplay::CONNECTION_TYPE == ui::DisplayConnectionType::Internal
+                    ? IComposerClient::DisplayConnectionType::INTERNAL
+                    : IComposerClient::DisplayConnectionType::EXTERNAL;
 
-        EXPECT_CALL(*test->mComposer, getDisplayConnectionType(HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(CONNECTION_TYPE), Return(hal::V2_4::Error::NONE)));
+            EXPECT_CALL(*test->mComposer, getDisplayConnectionType(HWC_DISPLAY_ID, _))
+                    .WillOnce(DoAll(SetArgPointee<1>(CONNECTION_TYPE),
+                                    Return(hal::V2_4::Error::NONE)));
+        }
 
         EXPECT_CALL(*test->mComposer, setClientTargetSlotCount(_))
                 .WillOnce(Return(hal::Error::NONE));
@@ -675,12 +679,10 @@
     static constexpr bool WIDE_COLOR_SUPPORTED = false;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = true;
+        test->mFlinger.mutableSupportsWideColor() = true;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
-        EXPECT_CALL(*test->mComposer, getColorModes(Display::HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(std::vector<ColorMode>()), Return(Error::NONE)));
         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
     }
 };
@@ -692,12 +694,11 @@
     static constexpr bool WIDE_COLOR_SUPPORTED = false;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = false;
+        test->mFlinger.mutableSupportsWideColor() = false;
         test->mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
-        EXPECT_CALL(*test->mComposer, getColorModes(_, _)).Times(0);
         EXPECT_CALL(*test->mComposer, getRenderIntents(_, _, _)).Times(0);
         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
     }
diff --git a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
index c033af8..978afc5 100644
--- a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
+++ b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
@@ -72,7 +72,7 @@
     public:
         MockEventThreadConnection(impl::EventThread* eventThread, uid_t callingUid,
                                   ResyncCallback&& resyncCallback,
-                                  ISurfaceComposer::EventRegistrationFlags eventRegistration)
+                                  EventRegistrationFlags eventRegistration)
               : EventThreadConnection(eventThread, callingUid, std::move(resyncCallback),
                                       eventRegistration) {}
         MOCK_METHOD1(postEvent, status_t(const DisplayEventReceiver::Event& event));
@@ -85,10 +85,9 @@
     ~EventThreadTest() override;
 
     void createThread(std::unique_ptr<VSyncSource>);
-    sp<MockEventThreadConnection> createConnection(
-            ConnectionEventRecorder& recorder,
-            ISurfaceComposer::EventRegistrationFlags eventRegistration = {},
-            uid_t ownerUid = mConnectionUid);
+    sp<MockEventThreadConnection> createConnection(ConnectionEventRecorder& recorder,
+                                                   EventRegistrationFlags eventRegistration = {},
+                                                   uid_t ownerUid = mConnectionUid);
 
     void expectVSyncSetEnabledCallReceived(bool expectedState);
     void expectVSyncSetDurationCallReceived(std::chrono::nanoseconds expectedDuration,
@@ -149,11 +148,12 @@
             .WillRepeatedly(Invoke(mVSyncSetDurationCallRecorder.getInvocable()));
 
     createThread(std::move(vsyncSource));
-    mConnection = createConnection(mConnectionEventCallRecorder,
-                                   ISurfaceComposer::EventRegistration::modeChanged |
-                                           ISurfaceComposer::EventRegistration::frameRateOverride);
+    mConnection =
+            createConnection(mConnectionEventCallRecorder,
+                             gui::ISurfaceComposer::EventRegistration::modeChanged |
+                                     gui::ISurfaceComposer::EventRegistration::frameRateOverride);
     mThrottledConnection = createConnection(mThrottledConnectionEventCallRecorder,
-                                            ISurfaceComposer::EventRegistration::modeChanged,
+                                            gui::ISurfaceComposer::EventRegistration::modeChanged,
                                             mThrottledConnectionUid);
 
     // A display must be connected for VSYNC events to be delivered.
@@ -190,11 +190,12 @@
 }
 
 sp<EventThreadTest::MockEventThreadConnection> EventThreadTest::createConnection(
-        ConnectionEventRecorder& recorder,
-        ISurfaceComposer::EventRegistrationFlags eventRegistration, uid_t ownerUid) {
+        ConnectionEventRecorder& recorder, EventRegistrationFlags eventRegistration,
+        uid_t ownerUid) {
     sp<MockEventThreadConnection> connection =
-            new MockEventThreadConnection(mThread.get(), ownerUid,
-                                          mResyncCallRecorder.getInvocable(), eventRegistration);
+            sp<MockEventThreadConnection>::make(mThread.get(), ownerUid,
+                                                mResyncCallRecorder.getInvocable(),
+                                                eventRegistration);
     EXPECT_CALL(*connection, postEvent(_)).WillRepeatedly(Invoke(recorder.getInvocable()));
     return connection;
 }
diff --git a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
index bb1f432..1cd9e49 100644
--- a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
@@ -24,9 +24,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "FpsReporter.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
@@ -51,6 +48,7 @@
 using android::Hwc2::IComposerClient;
 
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+using gui::LayerMetadata;
 
 struct TestableFpsListener : public gui::BnFpsListener {
     TestableFpsListener() {}
@@ -80,7 +78,7 @@
     static constexpr int32_t PRIORITY_UNSET = -1;
 
     void setupScheduler();
-    sp<BufferStateLayer> createBufferStateLayer(LayerMetadata metadata);
+    sp<Layer> createBufferStateLayer(LayerMetadata metadata);
 
     TestableSurfaceFlinger mFlinger;
     mock::FrameTimeline mFrameTimeline =
@@ -95,8 +93,8 @@
 
     sp<TestableFpsListener> mFpsListener;
     fake::FakeClock* mClock = new fake::FakeClock();
-    sp<FpsReporter> mFpsReporter =
-            new FpsReporter(mFrameTimeline, *(mFlinger.flinger()), std::unique_ptr<Clock>(mClock));
+    sp<FpsReporter> mFpsReporter = sp<FpsReporter>::make(mFrameTimeline, *(mFlinger.flinger()),
+                                                         std::unique_ptr<Clock>(mClock));
 };
 
 FpsReporterTest::FpsReporterTest() {
@@ -107,7 +105,7 @@
     setupScheduler();
     mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
 
-    mFpsListener = new TestableFpsListener();
+    mFpsListener = sp<TestableFpsListener>::make();
 }
 
 FpsReporterTest::~FpsReporterTest() {
@@ -116,10 +114,10 @@
     ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
 }
 
-sp<BufferStateLayer> FpsReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
+sp<Layer> FpsReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS, metadata);
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void FpsReporterTest::setupScheduler() {
@@ -128,13 +126,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -153,7 +153,7 @@
     mParent = createBufferStateLayer();
     constexpr int32_t kTaskId = 12;
     LayerMetadata targetMetadata;
-    targetMetadata.setInt32(METADATA_TASK_ID, kTaskId);
+    targetMetadata.setInt32(gui::METADATA_TASK_ID, kTaskId);
     mTarget = createBufferStateLayer(targetMetadata);
     mChild = createBufferStateLayer();
     mGrandChild = createBufferStateLayer();
@@ -188,7 +188,7 @@
 TEST_F(FpsReporterTest, rateLimits) {
     const constexpr int32_t kTaskId = 12;
     LayerMetadata targetMetadata;
-    targetMetadata.setInt32(METADATA_TASK_ID, kTaskId);
+    targetMetadata.setInt32(gui::METADATA_TASK_ID, kTaskId);
     mTarget = createBufferStateLayer(targetMetadata);
     mFlinger.mutableCurrentState().layersSortedByZ.add(mTarget);
 
diff --git a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
index f1efa92..874fa7c 100644
--- a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
@@ -217,9 +217,12 @@
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_expiredToken) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({0, 0, 0});
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Expired);
@@ -227,9 +230,12 @@
 
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validToken) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Valid);
@@ -239,9 +245,12 @@
 TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validInputEventId) {
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     constexpr int32_t inputEventId = 1;
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = inputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({token1, inputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     EXPECT_EQ(inputEventId, surfaceFrame->getInputEventId());
@@ -250,9 +259,12 @@
 TEST_F(FrameTimelineTest, presentFenceSignaled_droppedFramesNotUpdated) {
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -278,14 +290,17 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdTwo, sLayerNameTwo,
-                                                       sLayerNameTwo, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdTwo,
+                                                       sLayerNameTwo, sLayerNameTwo,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame1);
@@ -324,9 +339,11 @@
                 {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor});
         int64_t sfToken = mTokenManager->generateTokenForPredictions(
                 {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = surfaceFrameToken;
+        ftInfo.inputEventId = sInputEventId;
         auto surfaceFrame =
-                mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId},
-                                                           sPidOne, sUidOne, sLayerIdOne,
+                mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
                                                            sLayerNameOne, sLayerNameOne,
                                                            /*isBuffer*/ true, sGameMode);
         mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11));
@@ -347,10 +364,13 @@
             {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor});
     int64_t sfToken = mTokenManager->generateTokenForPredictions(
             {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11));
     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame);
@@ -442,11 +462,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -470,11 +493,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = -1;
     int64_t sfToken1 = -1;
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -495,11 +521,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -521,11 +550,14 @@
     auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setAcquireFenceTime(20);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -546,11 +578,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
     surfaceFrame1->setAcquireFenceTime(20);
@@ -570,11 +605,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -596,11 +634,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({40, 60, 92});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -622,11 +663,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -648,11 +692,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 58});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 82, refreshRate);
 
@@ -676,11 +723,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate);
 
@@ -706,11 +756,14 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
 
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(45);
     // Trigger a prediction expiry
     flushTokens();
@@ -744,9 +797,12 @@
     auto tracingSession = getTracingSessionForTest();
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -771,9 +827,12 @@
     tracingSession->StartBlocking();
     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t token2 = mTokenManager->generateTokenForPredictions({40, 50, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = token1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne,
-                                                       sLayerIdOne, sLayerNameOne, sLayerNameOne,
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
                                                        /*isBuffer*/ true, sGameMode);
 
     // Set up the display frame
@@ -1133,14 +1192,18 @@
     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 25, 40});
     int64_t displayFrameToken1 = mTokenManager->generateTokenForPredictions({30, 35, 40});
 
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
+
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setActualQueueTime(10);
     surfaceFrame1->setDropTime(15);
 
@@ -1293,10 +1356,13 @@
 
     // Flush the token so that it would expire
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = 0;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0},
-                                                       sPidOne, sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setActualQueueTime(appEndTime);
     surfaceFrame1->setAcquireFenceTime(appEndTime);
 
@@ -1369,10 +1435,13 @@
 
     // Flush the token so that it would expire
     flushTokens();
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = 0;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0},
-                                                       sPidOne, sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
 
     constexpr nsecs_t sfStartTime = std::chrono::nanoseconds(22ms).count();
     constexpr nsecs_t sfEndTime = std::chrono::nanoseconds(30ms).count();
@@ -1438,10 +1507,13 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 20, 30});
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 30});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
     mFrameTimeline->addSurfaceFrame(surfaceFrame);
@@ -1608,7 +1680,7 @@
     EXPECT_EQ(displayFrame0->getActuals().presentTime, 52);
     EXPECT_EQ(displayFrame0->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame0->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
-    EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+    EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
 
     // case 3 - cpu time = 86 - 82 = 4, vsync period = 30
     mFrameTimeline->setSfWakeUp(sfToken3, 106, Fps::fromPeriodNsecs(30));
@@ -1654,10 +1726,13 @@
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(16);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1674,10 +1749,13 @@
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(36);
     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1734,10 +1812,13 @@
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(16);
     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1754,10 +1835,13 @@
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(36);
     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1813,10 +1897,13 @@
     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({42, 50, 50});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 26, 60});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken1, 42, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1857,10 +1944,13 @@
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({42, 50, 50});
     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 30});
     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 50});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(26);
     mFrameTimeline->setSfWakeUp(sfToken1, 32, Fps::fromPeriodNsecs(11));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1877,10 +1967,13 @@
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(40);
     mFrameTimeline->setSfWakeUp(sfToken2, 43, Fps::fromPeriodNsecs(11));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1932,10 +2025,13 @@
 
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({112, 120, 120});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -1952,10 +2048,13 @@
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(84);
     mFrameTimeline->setSfWakeUp(sfToken2, 112, Fps::fromPeriodNsecs(30));
     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented, 54);
@@ -2010,10 +2109,13 @@
 
     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60});
     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({82, 90, 90});
+    FrameTimelineInfo ftInfo;
+    ftInfo.vsyncId = surfaceFrameToken1;
+    ftInfo.inputEventId = sInputEventId;
     auto surfaceFrame1 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame1->setAcquireFenceTime(50);
     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30));
     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented);
@@ -2030,10 +2132,13 @@
 
     // Trigger a flush by finalizing the next DisplayFrame
     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    FrameTimelineInfo ftInfo2;
+    ftInfo2.vsyncId = surfaceFrameToken2;
+    ftInfo2.inputEventId = sInputEventId;
     auto surfaceFrame2 =
-            mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne,
-                                                       sUidOne, sLayerIdOne, sLayerNameOne,
-                                                       sLayerNameOne, /*isBuffer*/ true, sGameMode);
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo2, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
     surfaceFrame2->setAcquireFenceTime(80);
     mFrameTimeline->setSfWakeUp(sfToken2, 82, Fps::fromPeriodNsecs(30));
     // Setting previous latch time to 54, adjusted deadline will be 54 + vsyncTime(30) = 84
@@ -2079,6 +2184,50 @@
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::BufferStuffing);
 }
 
+TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent_GpuAndCpuMiss) {
+    auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 40});
+    int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 60});
+
+    // Case 1: cpu time = 33 - 12 = 21, vsync period = 11
+    mFrameTimeline->setSfWakeUp(sfToken1, 12, Fps::fromPeriodNsecs(11));
+    mFrameTimeline->setSfPresent(33, presentFence1, gpuFence1);
+    auto displayFrame = getDisplayFrame(0);
+    gpuFence1->signalForTest(36);
+    presentFence1->signalForTest(52);
+
+    // Fences haven't been flushed yet, so it should be 0
+    EXPECT_EQ(displayFrame->getActuals().presentTime, 0);
+
+    addEmptyDisplayFrame();
+    displayFrame = getDisplayFrame(0);
+
+    // Fences have flushed, so the present timestamps should be updated
+    EXPECT_EQ(displayFrame->getActuals().presentTime, 52);
+    EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
+    EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
+    EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+
+    // Case 2: No GPU fence so it will not use GPU composition.
+    mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(30));
+    mFrameTimeline->setSfPresent(66, presentFence2);
+    auto displayFrame2 = getDisplayFrame(2); // 2 because of previous empty frame
+    presentFence2->signalForTest(90);
+
+    // Fences for the frame haven't been flushed yet, so it should be 0
+    EXPECT_EQ(displayFrame2->getActuals().presentTime, 0);
+
+    addEmptyDisplayFrame();
+
+    // Fences have flushed, so the present timestamps should be updated
+    EXPECT_EQ(displayFrame2->getActuals().presentTime, 90);
+    EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
+    EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
+    EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+}
+
 TEST_F(FrameTimelineTest, computeFps_noLayerIds_returnsZero) {
     EXPECT_EQ(mFrameTimeline->computeFps({}), 0.0f);
 }
@@ -2237,4 +2386,38 @@
     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 5.0f);
 }
 
+TEST_F(FrameTimelineTest, getMinTime) {
+    // Use SurfaceFrame::getBaseTime to test the getMinTime.
+    FrameTimelineInfo ftInfo;
+
+    // Valid prediction state test.
+    ftInfo.vsyncId = 0L;
+    mTokenManager->generateTokenForPredictions({10});
+    auto surfaceFrame =
+            mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                       sLayerNameOne, sLayerNameOne,
+                                                       /*isBuffer*/ true, sGameMode);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 10);
+
+    // Test prediction state which is not valid.
+    ftInfo.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+    surfaceFrame = mFrameTimeline->createSurfaceFrameForToken(ftInfo, sPidOne, sUidOne, sLayerIdOne,
+                                                              sLayerNameOne, sLayerNameOne,
+                                                              /*isBuffer*/ true, sGameMode);
+    // Start time test.
+    surfaceFrame->setActualStartTime(200);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 200);
+
+    // End time test.
+    surfaceFrame->setAcquireFenceTime(100);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 100);
+
+    // Present time test.
+    auto presentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE);
+    surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented);
+    mFrameTimeline->addSurfaceFrame(surfaceFrame);
+    presentFence->signalForTest(std::chrono::nanoseconds(50ns).count());
+    mFrameTimeline->setSfPresent(50, presentFence);
+    ASSERT_EQ(surfaceFrame->getBaseTime(), 50);
+}
 } // namespace android::frametimeline
diff --git a/services/surfaceflinger/tests/unittests/GameModeTest.cpp b/services/surfaceflinger/tests/unittests/GameModeTest.cpp
index 981ca1d..29aa717 100644
--- a/services/surfaceflinger/tests/unittests/GameModeTest.cpp
+++ b/services/surfaceflinger/tests/unittests/GameModeTest.cpp
@@ -34,6 +34,8 @@
 using testing::Mock;
 using testing::Return;
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+using gui::GameMode;
+using gui::LayerMetadata;
 
 class GameModeTest : public testing::Test {
 public:
@@ -51,11 +53,10 @@
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
-        LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
-                               LayerMetadata());
-        return new BufferStateLayer(args);
+        LayerCreationArgs args(mFlinger.flinger(), client, "layer", 0, LayerMetadata());
+        return sp<Layer>::make(args);
     }
 
     void setupScheduler() {
@@ -64,13 +65,15 @@
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -92,7 +95,7 @@
 
     // Mocks the behavior of applying a transaction from WMShell
     void setGameModeMetadata(sp<Layer> layer, GameMode gameMode) {
-        mLayerMetadata.setInt32(METADATA_GAME_MODE, static_cast<int32_t>(gameMode));
+        mLayerMetadata.setInt32(gui::METADATA_GAME_MODE, static_cast<int32_t>(gameMode));
         layer->setMetadata(mLayerMetadata);
         layer->setGameModeForTree(gameMode);
     }
@@ -104,9 +107,9 @@
 };
 
 TEST_F(GameModeTest, SetGameModeSetsForAllCurrentChildren) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer1 = createLayer();
+    sp<Layer> childLayer2 = createLayer();
     rootLayer->addChild(childLayer1);
     rootLayer->addChild(childLayer2);
     rootLayer->setGameModeForTree(GameMode::Performance);
@@ -117,8 +120,8 @@
 }
 
 TEST_F(GameModeTest, AddChildAppliesGameModeFromParent) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer = createLayer();
     rootLayer->setGameModeForTree(GameMode::Performance);
     rootLayer->addChild(childLayer);
 
@@ -127,8 +130,8 @@
 }
 
 TEST_F(GameModeTest, RemoveChildResetsGameMode) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer = createLayer();
     rootLayer->setGameModeForTree(GameMode::Performance);
     rootLayer->addChild(childLayer);
 
@@ -140,9 +143,9 @@
 }
 
 TEST_F(GameModeTest, ReparentingDoesNotOverrideMetadata) {
-    sp<BufferStateLayer> rootLayer = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
-    sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
+    sp<Layer> rootLayer = createLayer();
+    sp<Layer> childLayer1 = createLayer();
+    sp<Layer> childLayer2 = createLayer();
     rootLayer->setGameModeForTree(GameMode::Standard);
     rootLayer->addChild(childLayer1);
 
diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index 5241604..9d8e0a2 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -59,27 +59,62 @@
 using ::testing::SetArgPointee;
 using ::testing::StrictMock;
 
-TEST(HWComposerTest, isHeadless) {
-    Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    ASSERT_TRUE(hwc.isHeadless());
+struct HWComposerTest : testing::Test {
+    using HalError = hardware::graphics::composer::V2_1::Error;
 
-    const hal::HWDisplayId hwcId = 1;
+    Hwc2::mock::Composer* const mHal = new StrictMock<Hwc2::mock::Composer>();
+    impl::HWComposer mHwc{std::unique_ptr<Hwc2::Composer>(mHal)};
 
-    EXPECT_CALL(*mHal, getDisplayIdentificationData(_, _, _))
-            .WillOnce(DoAll(SetArgPointee<2>(getExternalEdid()),
-                            Return(hardware::graphics::composer::V2_1::Error::NONE)));
+    void expectHotplugConnect(hal::HWDisplayId hwcDisplayId) {
+        constexpr uint8_t kPort = 255;
+        EXPECT_CALL(*mHal, getDisplayIdentificationData(hwcDisplayId, _, _))
+                .WillOnce(DoAll(SetArgPointee<1>(kPort),
+                                SetArgPointee<2>(getExternalEdid()), Return(HalError::NONE)));
 
-    EXPECT_CALL(*mHal, setVsyncEnabled(_, _));
-    EXPECT_CALL(*mHal, setClientTargetSlotCount(_));
+        EXPECT_CALL(*mHal, setClientTargetSlotCount(_));
+        EXPECT_CALL(*mHal, setVsyncEnabled(hwcDisplayId, Hwc2::IComposerClient::Vsync::DISABLE));
+    }
+};
 
-    auto info = hwc.onHotplug(hwcId, hal::Connection::CONNECTED);
+TEST_F(HWComposerTest, isHeadless) {
+    ASSERT_TRUE(mHwc.isHeadless());
+
+    constexpr hal::HWDisplayId kHwcDisplayId = 1;
+    expectHotplugConnect(kHwcDisplayId);
+
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
     ASSERT_TRUE(info);
-    auto displayId = info->id;
-    ASSERT_FALSE(hwc.isHeadless());
 
-    hwc.disconnectDisplay(displayId);
-    ASSERT_TRUE(hwc.isHeadless());
+    ASSERT_FALSE(mHwc.isHeadless());
+
+    mHwc.disconnectDisplay(info->id);
+    ASSERT_TRUE(mHwc.isHeadless());
+}
+
+TEST_F(HWComposerTest, getActiveMode) {
+    // Unknown display.
+    EXPECT_EQ(mHwc.getActiveMode(PhysicalDisplayId::fromPort(0)), std::nullopt);
+
+    constexpr hal::HWDisplayId kHwcDisplayId = 2;
+    expectHotplugConnect(kHwcDisplayId);
+
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
+    ASSERT_TRUE(info);
+
+    {
+        // Display is known to SF but not HWC, e.g. the hotplug disconnect is pending.
+        EXPECT_CALL(*mHal, getActiveConfig(kHwcDisplayId, _))
+                .WillOnce(Return(HalError::BAD_DISPLAY));
+
+        EXPECT_EQ(mHwc.getActiveMode(info->id), std::nullopt);
+    }
+    {
+        constexpr hal::HWConfigId kConfigId = 42;
+        EXPECT_CALL(*mHal, getActiveConfig(kHwcDisplayId, _))
+                .WillOnce(DoAll(SetArgPointee<1>(kConfigId), Return(HalError::NONE)));
+
+        EXPECT_EQ(mHwc.getActiveMode(info->id), kConfigId);
+    }
 }
 
 struct MockHWC2ComposerCallback final : StrictMock<HWC2::ComposerCallback> {
@@ -93,8 +128,7 @@
     MOCK_METHOD1(onComposerHalVsyncIdle, void(hal::HWDisplayId));
 };
 
-struct HWComposerSetCallbackTest : testing::Test {
-    Hwc2::mock::Composer* mHal = new StrictMock<Hwc2::mock::Composer>();
+struct HWComposerSetCallbackTest : HWComposerTest {
     MockHWC2ComposerCallback mCallback;
 };
 
@@ -113,10 +147,9 @@
                             Return(hardware::graphics::composer::V2_4::Error::NONE)));
     EXPECT_CALL(*mHal, registerCallback(_));
 
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(mCallback);
+    mHwc.setCallback(mCallback);
 
-    const auto& supported = hwc.getSupportedLayerGenericMetadata();
+    const auto& supported = mHwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(2u, supported.size());
     EXPECT_EQ(1u, supported.count(kMetadata1Name));
     EXPECT_EQ(kMetadata1Mandatory, supported.find(kMetadata1Name)->second);
@@ -130,11 +163,10 @@
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
     EXPECT_CALL(*mHal, registerCallback(_));
 
-    impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(mCallback);
+    mHwc.setCallback(mCallback);
 
-    const auto& supported = hwc.getSupportedLayerGenericMetadata();
-    EXPECT_EQ(0u, supported.size());
+    const auto& supported = mHwc.getSupportedLayerGenericMetadata();
+    EXPECT_TRUE(supported.empty());
 }
 
 struct HWComposerLayerTest : public testing::Test {
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
index 17511cd..972198c 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
@@ -141,6 +141,54 @@
 
 namespace {
 
+TEST_F(LayerHistoryTest, singleLayerNoVoteDefaultCompatibility) {
+    const auto layer = createLayer();
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getDefaultFrameRateCompatibility())
+            .WillOnce(Return(LayerInfo::FrameRateCompatibility::NoVote));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = systemTime();
+
+    // No layers returned if no layers are active.
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(0, activeLayerCount());
+
+    history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
+    history().setDefaultFrameRateCompatibility(layer.get(), true /* contentDetectionEnabled */);
+
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(1, activeLayerCount());
+}
+
+TEST_F(LayerHistoryTest, singleLayerMinVoteDefaultCompatibility) {
+    const auto layer = createLayer();
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getDefaultFrameRateCompatibility())
+            .WillOnce(Return(LayerInfo::FrameRateCompatibility::Min));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = systemTime();
+
+    EXPECT_TRUE(summarizeLayerHistory(time).empty());
+    EXPECT_EQ(0, activeLayerCount());
+
+    history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
+    history().setDefaultFrameRateCompatibility(layer.get(), true /* contentDetectionEnabled */);
+
+    auto summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1, summarizeLayerHistory(time).size());
+
+    EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
+    EXPECT_EQ(1, activeLayerCount());
+}
+
 TEST_F(LayerHistoryTest, oneLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
diff --git a/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp b/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
index 373fd74..e6e02c1 100644
--- a/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerMetadataTest.cpp
@@ -27,6 +27,8 @@
 #include <gui/LayerMetadata.h>
 #include <log/log.h>
 
+using android::gui::LayerMetadata;
+
 namespace android {
 namespace {
 
@@ -113,4 +115,4 @@
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
\ No newline at end of file
+#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/tests/unittests/LayerTest.cpp b/services/surfaceflinger/tests/unittests/LayerTest.cpp
index 4974f90..95e54f6 100644
--- a/services/surfaceflinger/tests/unittests/LayerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerTest.cpp
@@ -17,7 +17,6 @@
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
-#include <EffectLayer.h>
 #include <gtest/gtest.h>
 #include <ui/FloatRect.h>
 #include <ui/Transform.h>
diff --git a/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp b/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
index 5a2c147..ee42e19 100644
--- a/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerTestUtils.cpp
@@ -29,13 +29,13 @@
     sp<Client> client;
     LayerCreationArgs args(flinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS,
                            LayerMetadata());
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 sp<Layer> EffectLayerFactory::createLayer(TestableSurfaceFlinger& flinger) {
     sp<Client> client;
     LayerCreationArgs args(flinger.flinger(), client, "color-layer", LAYER_FLAGS, LayerMetadata());
-    return new EffectLayer(args);
+    return sp<Layer>::make(args);
 }
 
 std::string PrintToStringParamName(
@@ -53,13 +53,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/LayerTestUtils.h b/services/surfaceflinger/tests/unittests/LayerTestUtils.h
index fc9b6a2..ab446fa 100644
--- a/services/surfaceflinger/tests/unittests/LayerTestUtils.h
+++ b/services/surfaceflinger/tests/unittests/LayerTestUtils.h
@@ -23,8 +23,6 @@
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion"
diff --git a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
index e0aa0b1..5e1042e 100644
--- a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
@@ -32,8 +32,9 @@
 using CallbackToken = scheduler::VSyncDispatch::CallbackToken;
 
 struct NoOpCompositor final : ICompositor {
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 } gNoOpCompositor;
 
@@ -41,12 +42,15 @@
     struct MockHandler : MessageQueue::Handler {
         using MessageQueue::Handler::Handler;
 
-        MOCK_METHOD(void, dispatchFrame, (int64_t, nsecs_t), (override));
+        MOCK_METHOD(void, dispatchFrame, (VsyncId, TimePoint), (override));
     };
 
     explicit TestableMessageQueue(sp<MockHandler> handler)
           : impl::MessageQueue(gNoOpCompositor, handler), mHandler(std::move(handler)) {}
 
+    // impl::MessageQueue overrides:
+    void onFrameSignal(ICompositor&, VsyncId, TimePoint) override {}
+
 public:
     TestableMessageQueue() : TestableMessageQueue(sp<MockHandler>::make(*this)) {}
 
@@ -71,7 +75,7 @@
 struct MessageQueueTest : testing::Test {
     void SetUp() override {
         EXPECT_CALL(mVSyncDispatch, registerCallback(_, "sf")).WillOnce(Return(mCallbackToken));
-        EXPECT_NO_FATAL_FAILURE(mEventQueue.initVsync(mVSyncDispatch, mTokenManager, mDuration));
+        EXPECT_NO_FATAL_FAILURE(mEventQueue.initVsync(mVSyncDispatch, mTokenManager, kDuration));
         EXPECT_CALL(mVSyncDispatch, unregisterCallback(mCallbackToken)).Times(1);
     }
 
@@ -80,16 +84,15 @@
     TestableMessageQueue mEventQueue;
 
     const CallbackToken mCallbackToken{5};
-    constexpr static auto mDuration = std::chrono::nanoseconds(100ms);
-    constexpr static auto mDifferentDuration = std::chrono::nanoseconds(250ms);
+
+    static constexpr Duration kDuration = 100ms;
+    static constexpr Duration kDifferentDuration = 250ms;
 };
 
 namespace {
-/* ------------------------------------------------------------------------
- * Test cases
- */
+
 TEST_F(MessageQueueTest, commit) {
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
     EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
@@ -103,7 +106,7 @@
 
 TEST_F(MessageQueueTest, commitTwice) {
     InSequence s;
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
 
@@ -122,7 +125,7 @@
 
 TEST_F(MessageQueueTest, commitTwiceWithCallback) {
     InSequence s;
-    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+    const auto timing = scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                                  .readyDuration = 0,
                                                                  .earliestVsync = 0};
 
@@ -132,33 +135,36 @@
     ASSERT_TRUE(mEventQueue.getScheduledFrameTime());
     EXPECT_EQ(1234, mEventQueue.getScheduledFrameTime()->time_since_epoch().count());
 
-    const auto startTime = 100;
-    const auto endTime = startTime + mDuration.count();
-    const auto presentTime = 500;
-    const auto vsyncId = 42;
+    constexpr TimePoint kStartTime = TimePoint::fromNs(100);
+    constexpr TimePoint kEndTime = kStartTime + kDuration;
+    constexpr TimePoint kPresentTime = TimePoint::fromNs(500);
+    constexpr VsyncId vsyncId{42};
+
     EXPECT_CALL(mTokenManager,
-                generateTokenForPredictions(
-                        frametimeline::TimelineItem(startTime, endTime, presentTime)))
-            .WillOnce(Return(vsyncId));
-    EXPECT_CALL(*mEventQueue.mHandler, dispatchFrame(vsyncId, presentTime)).Times(1);
-    EXPECT_NO_FATAL_FAILURE(mEventQueue.vsyncCallback(presentTime, startTime, endTime));
+                generateTokenForPredictions(frametimeline::TimelineItem(kStartTime.ns(),
+                                                                        kEndTime.ns(),
+                                                                        kPresentTime.ns())))
+            .WillOnce(Return(vsyncId.value));
+    EXPECT_CALL(*mEventQueue.mHandler, dispatchFrame(vsyncId, kPresentTime)).Times(1);
+    EXPECT_NO_FATAL_FAILURE(
+            mEventQueue.vsyncCallback(kPresentTime.ns(), kStartTime.ns(), kEndTime.ns()));
 
     EXPECT_FALSE(mEventQueue.getScheduledFrameTime());
 
     const auto timingAfterCallback =
-            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDuration.count(),
+            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDuration.ns(),
                                                      .readyDuration = 0,
-                                                     .earliestVsync = presentTime};
+                                                     .earliestVsync = kPresentTime.ns()};
 
     EXPECT_CALL(mVSyncDispatch, schedule(mCallbackToken, timingAfterCallback)).WillOnce(Return(0));
     EXPECT_NO_FATAL_FAILURE(mEventQueue.scheduleFrame());
 }
 
 TEST_F(MessageQueueTest, commitWithDurationChange) {
-    EXPECT_NO_FATAL_FAILURE(mEventQueue.setDuration(mDifferentDuration));
+    EXPECT_NO_FATAL_FAILURE(mEventQueue.setDuration(kDifferentDuration));
 
     const auto timing =
-            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = mDifferentDuration.count(),
+            scheduler::VSyncDispatch::ScheduleTiming{.workDuration = kDifferentDuration.ns(),
                                                      .readyDuration = 0,
                                                      .earliestVsync = 0};
 
diff --git a/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp b/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
index 8711a42..2d66d3c 100644
--- a/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/PowerAdvisorTest.cpp
@@ -39,15 +39,15 @@
 public:
     void SetUp() override;
     void startPowerHintSession();
-    void fakeBasicFrameTiming(nsecs_t startTime, nsecs_t vsyncPeriod);
-    void setExpectedTiming(nsecs_t startTime, nsecs_t vsyncPeriod);
-    nsecs_t getFenceWaitDelayDuration(bool skipValidate);
+    void fakeBasicFrameTiming(TimePoint startTime, Duration vsyncPeriod);
+    void setExpectedTiming(Duration totalFrameTargetDuration, TimePoint expectedPresentTime);
+    Duration getFenceWaitDelayDuration(bool skipValidate);
 
 protected:
     TestableSurfaceFlinger mFlinger;
     std::unique_ptr<PowerAdvisor> mPowerAdvisor;
     NiceMock<MockAidlPowerHalWrapper>* mMockAidlWrapper;
-    nsecs_t kErrorMargin = std::chrono::nanoseconds(1ms).count();
+    Duration kErrorMargin = 1ms;
 };
 
 void PowerAdvisorTest::SetUp() FTL_FAKE_GUARD(mPowerAdvisor->mPowerHalMutex) {
@@ -67,21 +67,21 @@
     mPowerAdvisor->startPowerHintSession(threadIds);
 }
 
-void PowerAdvisorTest::setExpectedTiming(nsecs_t totalFrameTarget, nsecs_t expectedPresentTime) {
-    mPowerAdvisor->setTotalFrameTargetWorkDuration(totalFrameTarget);
+void PowerAdvisorTest::setExpectedTiming(Duration totalFrameTargetDuration,
+                                         TimePoint expectedPresentTime) {
+    mPowerAdvisor->setTotalFrameTargetWorkDuration(totalFrameTargetDuration);
     mPowerAdvisor->setExpectedPresentTime(expectedPresentTime);
 }
 
-void PowerAdvisorTest::fakeBasicFrameTiming(nsecs_t startTime, nsecs_t vsyncPeriod) {
+void PowerAdvisorTest::fakeBasicFrameTiming(TimePoint startTime, Duration vsyncPeriod) {
     mPowerAdvisor->setCommitStart(startTime);
-    mPowerAdvisor->setFrameDelay(0);
+    mPowerAdvisor->setFrameDelay(0ns);
     mPowerAdvisor->setTargetWorkDuration(vsyncPeriod);
 }
 
-nsecs_t PowerAdvisorTest::getFenceWaitDelayDuration(bool skipValidate) {
+Duration PowerAdvisorTest::getFenceWaitDelayDuration(bool skipValidate) {
     return (skipValidate ? PowerAdvisor::kFenceWaitStartDelaySkippedValidate
-                         : PowerAdvisor::kFenceWaitStartDelayValidated)
-            .count();
+                         : PowerAdvisor::kFenceWaitStartDelayValidated);
 }
 
 namespace {
@@ -93,11 +93,11 @@
     std::vector<DisplayId> displayIds{PhysicalDisplayId::fromPort(42u)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
-    const nsecs_t presentDuration = std::chrono::nanoseconds(5ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
+    const Duration presentDuration = 5ms;
+    const Duration postCompDuration = 1ms;
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -109,14 +109,14 @@
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration + postCompDuration;
+    const Duration expectedDuration = kErrorMargin + presentDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
     setExpectedTiming(vsyncPeriod, startTime + vsyncPeriod);
     mPowerAdvisor->setDisplays(displayIds);
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 2500000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 2500us);
     mPowerAdvisor->setSfPresentTiming(startTime, startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
@@ -128,12 +128,12 @@
     std::vector<DisplayId> displayIds{PhysicalDisplayId::fromPort(42u)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
-    const nsecs_t presentDuration = std::chrono::nanoseconds(5ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
-    const nsecs_t hwcBlockedDuration = std::chrono::nanoseconds(500us).count();
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
+    const Duration presentDuration = 5ms;
+    const Duration postCompDuration = 1ms;
+    const Duration hwcBlockedDuration = 500us;
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -145,17 +145,17 @@
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration +
+    const Duration expectedDuration = kErrorMargin + presentDuration +
             getFenceWaitDelayDuration(false) - hwcBlockedDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
     setExpectedTiming(vsyncPeriod, startTime + vsyncPeriod);
     mPowerAdvisor->setDisplays(displayIds);
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 3000000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 3ms);
     // now report the fence as having fired during the display HWC time
-    mPowerAdvisor->setSfPresentTiming(startTime + 2000000 + hwcBlockedDuration,
+    mPowerAdvisor->setSfPresentTiming(startTime + 2ms + hwcBlockedDuration,
                                       startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
@@ -168,12 +168,12 @@
                                       GpuVirtualDisplayId(1)};
 
     // 60hz
-    const nsecs_t vsyncPeriod = std::chrono::nanoseconds(1s).count() / 60;
+    const Duration vsyncPeriod{std::chrono::nanoseconds(1s) / 60};
     // make present duration much later than the hwc display by itself will account for
-    const nsecs_t presentDuration = std::chrono::nanoseconds(10ms).count();
-    const nsecs_t postCompDuration = std::chrono::nanoseconds(1ms).count();
+    const Duration presentDuration{10ms};
+    const Duration postCompDuration{1ms};
 
-    nsecs_t startTime = 100;
+    TimePoint startTime{100ns};
 
     // advisor only starts on frame 2 so do an initial no-op frame
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -185,7 +185,7 @@
     // increment the frame
     startTime += vsyncPeriod;
 
-    const nsecs_t expectedDuration = kErrorMargin + presentDuration + postCompDuration;
+    const Duration expectedDuration = kErrorMargin + presentDuration + postCompDuration;
     EXPECT_CALL(*mMockAidlWrapper, sendActualWorkDuration(Eq(expectedDuration), _)).Times(1);
 
     fakeBasicFrameTiming(startTime, vsyncPeriod);
@@ -193,8 +193,8 @@
     mPowerAdvisor->setDisplays(displayIds);
 
     // don't report timing for the gpu displays since they don't use hwc
-    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1000000, startTime + 1500000);
-    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2000000, startTime + 2500000);
+    mPowerAdvisor->setHwcValidateTiming(displayIds[0], startTime + 1ms, startTime + 1500us);
+    mPowerAdvisor->setHwcPresentTiming(displayIds[0], startTime + 2ms, startTime + 2500us);
     mPowerAdvisor->setSfPresentTiming(startTime, startTime + presentDuration);
     mPowerAdvisor->sendActualWorkDuration();
 }
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index 188fd58..00f1b08 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -18,6 +18,7 @@
 #define LOG_TAG "SchedulerUnittests"
 
 #include <ftl/enum.h>
+#include <ftl/fake_guard.h>
 #include <gmock/gmock.h>
 #include <log/log.h>
 #include <ui/Size.h>
@@ -33,6 +34,7 @@
 
 namespace hal = android::hardware::graphics::composer::hal;
 
+using SetPolicyResult = RefreshRateConfigs::SetPolicyResult;
 using LayerVoteType = RefreshRateConfigs::LayerVoteType;
 using LayerRequirement = RefreshRateConfigs::LayerRequirement;
 
@@ -40,6 +42,17 @@
 
 struct TestableRefreshRateConfigs : RefreshRateConfigs {
     using RefreshRateConfigs::RefreshRateConfigs;
+    using RefreshRateConfigs::RefreshRateOrder;
+
+    void setActiveModeId(DisplayModeId modeId) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return RefreshRateConfigs::setActiveModeId(modeId);
+    }
+
+    const DisplayMode& getActiveMode() const {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return RefreshRateConfigs::getActiveMode();
+    }
 
     DisplayModePtr getMinSupportedRefreshRate() const {
         std::lock_guard lock(mLock);
@@ -56,19 +69,39 @@
         return getMinRefreshRateByPolicyLocked();
     }
 
+    DisplayModePtr getMaxRefreshRateByPolicy() const {
+        std::lock_guard lock(mLock);
+        return getMaxRefreshRateByPolicyLocked(getActiveModeItLocked()->second->getGroup());
+    }
+
+    std::vector<RefreshRateRanking> getRefreshRatesByPolicy(
+            std::optional<int> anchorGroupOpt, RefreshRateOrder refreshRateOrder) const {
+        std::lock_guard lock(mLock);
+        return RefreshRateConfigs::getRefreshRatesByPolicyLocked(anchorGroupOpt, refreshRateOrder);
+    }
+
     const std::vector<Fps>& knownFrameRates() const { return mKnownFrameRates; }
 
-    using RefreshRateConfigs::GetBestRefreshRateCache;
-    auto& mutableGetBestRefreshRateCache() { return mGetBestRefreshRateCache; }
+    using RefreshRateConfigs::GetRankedRefreshRatesCache;
+    auto& mutableGetRankedRefreshRatesCache() { return mGetRankedRefreshRatesCache; }
 
-    auto getBestRefreshRateAndSignals(const std::vector<LayerRequirement>& layers,
-                                      GlobalSignals signals) const {
-        return RefreshRateConfigs::getBestRefreshRate(layers, signals);
+    auto getRankedRefreshRatesAndSignals(const std::vector<LayerRequirement>& layers,
+                                         GlobalSignals signals) const {
+        return RefreshRateConfigs::getRankedRefreshRates(layers, signals);
     }
 
     DisplayModePtr getBestRefreshRate(const std::vector<LayerRequirement>& layers = {},
                                       GlobalSignals signals = {}) const {
-        return getBestRefreshRateAndSignals(layers, signals).first;
+        return getRankedRefreshRatesAndSignals(layers, signals).first.front().displayModePtr;
+    }
+
+    SetPolicyResult setPolicy(const PolicyVariant& policy) {
+        ftl::FakeGuard guard(kMainThreadContext);
+        return RefreshRateConfigs::setPolicy(policy);
+    }
+
+    SetPolicyResult setDisplayManagerPolicy(const DisplayManagerPolicy& policy) {
+        return setPolicy(policy);
     }
 };
 
@@ -155,9 +188,33 @@
 }
 
 TEST_F(RefreshRateConfigsTest, invalidPolicy) {
-    RefreshRateConfigs configs(kModes_60, kModeId60);
-    EXPECT_LT(configs.setDisplayManagerPolicy({DisplayModeId(10), {60_Hz, 60_Hz}}), 0);
-    EXPECT_LT(configs.setDisplayManagerPolicy({kModeId60, {20_Hz, 40_Hz}}), 0);
+    TestableRefreshRateConfigs configs(kModes_60, kModeId60);
+
+    EXPECT_EQ(SetPolicyResult::Invalid,
+              configs.setDisplayManagerPolicy({DisplayModeId(10), {60_Hz, 60_Hz}}));
+    EXPECT_EQ(SetPolicyResult::Invalid,
+              configs.setDisplayManagerPolicy({kModeId60, {20_Hz, 40_Hz}}));
+}
+
+TEST_F(RefreshRateConfigsTest, unchangedPolicy) {
+    TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
+
+    // Override to the same policy.
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              configs.setPolicy(RefreshRateConfigs::OverridePolicy{kModeId90, {60_Hz, 90_Hz}}));
+
+    // Clear override to restore DisplayManagerPolicy.
+    EXPECT_EQ(SetPolicyResult::Unchanged,
+              configs.setPolicy(RefreshRateConfigs::NoOverridePolicy{}));
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {30_Hz, 90_Hz}}));
 }
 
 TEST_F(RefreshRateConfigsTest, twoModes_storesFullRefreshRateMap) {
@@ -188,7 +245,8 @@
     EXPECT_EQ(kMode60, minRate60);
     EXPECT_EQ(kMode60, performanceRate60);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
     configs.setActiveModeId(kModeId90);
 
     const auto minRate90 = configs.getMinRefreshRateByPolicy();
@@ -211,7 +269,8 @@
     EXPECT_EQ(kMode60, minRate60);
     EXPECT_EQ(kMode60, performanceRate60);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {60_Hz, 90_Hz}}));
     configs.setActiveModeId(kModeId90);
 
     const auto minRate90 = configs.getMinRefreshRateByPolicy();
@@ -231,7 +290,8 @@
     EXPECT_EQ(kMode60, minRate);
     EXPECT_EQ(kMode90, performanceRate);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
 
     const auto minRate60 = configs.getMinRefreshRateByPolicy();
     const auto performanceRate60 = configs.getMaxRefreshRateByPolicy();
@@ -243,20 +303,21 @@
 TEST_F(RefreshRateConfigsTest, twoModes_getActiveMode) {
     TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
     {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId60);
+        const auto& mode = configs.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId60);
     }
 
     configs.setActiveModeId(kModeId90);
     {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId90);
+        const auto& mode = configs.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId90);
     }
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
     {
-        const auto mode = configs.getActiveMode();
-        EXPECT_EQ(mode->getId(), kModeId90);
+        const auto& mode = configs.getActiveMode();
+        EXPECT_EQ(mode.getId(), kModeId90);
     }
 }
 
@@ -268,15 +329,17 @@
         // range.
         EXPECT_EQ(kMode90, configs.getBestRefreshRate());
 
-        EXPECT_EQ(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), NO_ERROR);
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
         EXPECT_EQ(kMode60, configs.getBestRefreshRate());
     }
     {
         // We select max even when this will cause a non-seamless switch.
         TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
         constexpr bool kAllowGroupSwitching = true;
-        EXPECT_EQ(configs.setDisplayManagerPolicy({kModeId90, kAllowGroupSwitching, {0_Hz, 90_Hz}}),
-                  NO_ERROR);
+        EXPECT_EQ(SetPolicyResult::Changed,
+                  configs.setDisplayManagerPolicy(
+                          {kModeId90, kAllowGroupSwitching, {0_Hz, 90_Hz}}));
         EXPECT_EQ(kMode90_G1, configs.getBestRefreshRate());
     }
 }
@@ -317,7 +380,8 @@
     EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
 
     lr.name = "";
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
@@ -341,7 +405,8 @@
     lr.desiredRefreshRate = 24_Hz;
     EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
@@ -365,7 +430,8 @@
     lr.desiredRefreshRate = 24_Hz;
     EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 120_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 120_Hz}}));
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(kMode60, configs.getBestRefreshRate(layers));
 
@@ -966,13 +1032,154 @@
     EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers));
 }
 
+TEST_F(RefreshRateConfigsTest, getMaxRefreshRatesByPolicy) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId60);
+    const std::vector<RefreshRateRanking>& expectedRefreshRates = {RefreshRateRanking{kMode90},
+                                                                   RefreshRateRanking{kMode60},
+                                                                   RefreshRateRanking{kMode30}};
+
+    const std::vector<RefreshRateRanking>& refreshRates =
+            configs.getRefreshRatesByPolicy(configs.getActiveMode().getGroup(),
+                                            TestableRefreshRateConfigs::RefreshRateOrder::
+                                                    Descending);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
+TEST_F(RefreshRateConfigsTest, getMinRefreshRatesByPolicy) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId60);
+    const std::vector<RefreshRateRanking>& expectedRefreshRates = {RefreshRateRanking{kMode30},
+                                                                   RefreshRateRanking{kMode60},
+                                                                   RefreshRateRanking{kMode90}};
+
+    const std::vector<RefreshRateRanking>& refreshRates =
+            configs.getRefreshRatesByPolicy(configs.getActiveMode().getGroup(),
+                                            TestableRefreshRateConfigs::RefreshRateOrder::
+                                                    Ascending);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
+TEST_F(RefreshRateConfigsTest, getMinRefreshRatesByPolicyOutsideTheGroup) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId72);
+    const std::vector<RefreshRateRanking>& expectedRefreshRates = {RefreshRateRanking{kMode30},
+                                                                   RefreshRateRanking{kMode60},
+                                                                   RefreshRateRanking{kMode90}};
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {30_Hz, 90_Hz}, {30_Hz, 90_Hz}}));
+
+    const std::vector<RefreshRateRanking>& refreshRates =
+            configs.getRefreshRatesByPolicy(/*anchorGroupOpt*/ std::nullopt,
+                                            TestableRefreshRateConfigs::RefreshRateOrder::
+                                                    Ascending);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
+TEST_F(RefreshRateConfigsTest, getMaxRefreshRatesByPolicyOutsideTheGroup) {
+    // The kModes_30_60_90 contains two kMode72_G1, kMode120_G1 which are from the
+    // different group.
+    TestableRefreshRateConfigs configs(kModes_30_60_90, kModeId72);
+    const std::vector<RefreshRateRanking>& expectedRefreshRates = {RefreshRateRanking{kMode90},
+                                                                   RefreshRateRanking{kMode60},
+                                                                   RefreshRateRanking{kMode30}};
+
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {30_Hz, 90_Hz}, {30_Hz, 90_Hz}}));
+
+    const std::vector<RefreshRateRanking>& refreshRates =
+            configs.getRefreshRatesByPolicy(/*anchorGroupOpt*/ std::nullopt,
+                                            TestableRefreshRateConfigs::RefreshRateOrder::
+                                                    Descending);
+
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
+TEST_F(RefreshRateConfigsTest, powerOnImminentConsidered) {
+    RefreshRateConfigs configs(kModes_60_90, kModeId60);
+    std::vector<RefreshRateRanking> expectedRefreshRates = {RefreshRateRanking{kMode90},
+                                                            RefreshRateRanking{kMode60}};
+
+    auto [refreshRates, signals] = configs.getRankedRefreshRates({}, {});
+    EXPECT_FALSE(signals.powerOnImminent);
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+
+    std::tie(refreshRates, signals) = configs.getRankedRefreshRates({}, {.powerOnImminent = true});
+    EXPECT_TRUE(signals.powerOnImminent);
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}};
+    auto& lr1 = layers[0];
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60_Hz;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+
+    std::tie(refreshRates, signals) =
+            configs.getRankedRefreshRates(layers, {.powerOnImminent = true});
+    EXPECT_TRUE(signals.powerOnImminent);
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+
+    expectedRefreshRates = {RefreshRateRanking{kMode60}, RefreshRateRanking{kMode90}};
+    std::tie(refreshRates, signals) =
+            configs.getRankedRefreshRates(layers, {.powerOnImminent = false});
+    EXPECT_FALSE(signals.powerOnImminent);
+    ASSERT_EQ(expectedRefreshRates.size(), refreshRates.size());
+    for (size_t i = 0; i < expectedRefreshRates.size(); ++i) {
+        EXPECT_EQ(expectedRefreshRates[i].displayModePtr, refreshRates[i].displayModePtr)
+                << "Expected fps " << expectedRefreshRates[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << refreshRates[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
 TEST_F(RefreshRateConfigsTest, touchConsidered) {
     RefreshRateConfigs configs(kModes_60_90, kModeId60);
 
-    auto [_, signals] = configs.getBestRefreshRate({}, {});
+    auto [_, signals] = configs.getRankedRefreshRates({}, {});
     EXPECT_FALSE(signals.touch);
 
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate({}, {.touch = true});
+    std::tie(std::ignore, signals) = configs.getRankedRefreshRates({}, {.touch = true});
     EXPECT_TRUE(signals.touch);
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
@@ -985,16 +1192,16 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 60_Hz;
     lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
+    std::tie(std::ignore, signals) = configs.getRankedRefreshRates(layers, {.touch = true});
     EXPECT_TRUE(signals.touch);
 
     lr1.vote = LayerVoteType::ExplicitDefault;
     lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr1.name = "60Hz ExplicitDefault";
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 60_Hz;
     lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
+    std::tie(std::ignore, signals) = configs.getRankedRefreshRates(layers, {.touch = true});
     EXPECT_FALSE(signals.touch);
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -1003,16 +1210,16 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 60_Hz;
     lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
+    std::tie(std::ignore, signals) = configs.getRankedRefreshRates(layers, {.touch = true});
     EXPECT_TRUE(signals.touch);
 
     lr1.vote = LayerVoteType::ExplicitDefault;
     lr1.desiredRefreshRate = 60_Hz;
-    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr1.name = "60Hz ExplicitDefault";
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 60_Hz;
     lr2.name = "60Hz Heuristic";
-    std::tie(std::ignore, signals) = configs.getBestRefreshRate(layers, {.touch = true});
+    std::tie(std::ignore, signals) = configs.getRankedRefreshRates(layers, {.touch = true});
     EXPECT_FALSE(signals.touch);
 }
 
@@ -1138,9 +1345,10 @@
 
 TEST_F(RefreshRateConfigsTest,
        getBestRefreshRate_withDisplayManagerRequestingSingleRate_ignoresTouchFlag) {
-    RefreshRateConfigs configs(kModes_60_90, kModeId90);
+    TestableRefreshRateConfigs configs(kModes_60_90, kModeId90);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}));
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
     auto& lr = layers[0];
@@ -1150,9 +1358,10 @@
     lr.name = "60Hz ExplicitDefault";
     lr.focused = true;
 
-    const auto [mode, signals] = configs.getBestRefreshRate(layers, {.touch = true, .idle = true});
+    const auto [mode, signals] =
+            configs.getRankedRefreshRates(layers, {.touch = true, .idle = true});
 
-    EXPECT_EQ(mode, kMode60);
+    EXPECT_EQ(mode.begin()->displayModePtr, kMode60);
     EXPECT_FALSE(signals.touch);
 }
 
@@ -1160,7 +1369,8 @@
        getBestRefreshRate_withDisplayManagerRequestingSingleRate_ignoresIdleFlag) {
     TestableRefreshRateConfigs configs(kModes_60_90, kModeId60);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 90_Hz}}));
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
     auto& lr = layers[0];
@@ -1172,14 +1382,148 @@
     EXPECT_EQ(kMode90, configs.getBestRefreshRate(layers, {.idle = true}));
 }
 
+TEST_F(RefreshRateConfigsTest, testDisplayModeOrdering) {
+    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f},
+                                            {.weight = 1.f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+    auto& lr3 = layers[2];
+    auto& lr4 = layers[3];
+    auto& lr5 = layers[4];
+
+    lr1.desiredRefreshRate = 90_Hz;
+    lr1.name = "90Hz";
+    lr1.focused = true;
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+    lr2.focused = true;
+
+    lr3.desiredRefreshRate = 72_Hz;
+    lr3.name = "72Hz";
+    lr3.focused = true;
+
+    lr4.desiredRefreshRate = 120_Hz;
+    lr4.name = "120Hz";
+    lr4.focused = true;
+
+    lr5.desiredRefreshRate = 30_Hz;
+    lr5.name = "30Hz";
+    lr5.focused = true;
+
+    std::vector<RefreshRateRanking> expectedRankings = {
+            RefreshRateRanking{kMode120}, RefreshRateRanking{kMode90}, RefreshRateRanking{kMode72},
+            RefreshRateRanking{kMode60},  RefreshRateRanking{kMode30},
+    };
+
+    std::vector<RefreshRateRanking> actualOrder =
+            configs.getRankedRefreshRatesAndSignals(layers, {}).first;
+    ASSERT_EQ(expectedRankings.size(), actualOrder.size());
+    for (size_t i = 0; i < expectedRankings.size(); ++i) {
+        EXPECT_EQ(expectedRankings[i].displayModePtr, actualOrder[i].displayModePtr)
+                << "Expected fps " << expectedRankings[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << actualOrder[i].displayModePtr->getFps().getIntValue();
+    }
+
+    lr1.vote = LayerVoteType::Max;
+    lr1.name = "Max";
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+
+    lr3.desiredRefreshRate = 72_Hz;
+    lr3.name = "72Hz";
+
+    lr4.desiredRefreshRate = 90_Hz;
+    lr4.name = "90Hz";
+
+    lr5.desiredRefreshRate = 120_Hz;
+    lr5.name = "120Hz";
+
+    expectedRankings = {
+            RefreshRateRanking{kMode120}, RefreshRateRanking{kMode90}, RefreshRateRanking{kMode72},
+            RefreshRateRanking{kMode60},  RefreshRateRanking{kMode30},
+    };
+
+    actualOrder = configs.getRankedRefreshRatesAndSignals(layers, {}).first;
+
+    ASSERT_EQ(expectedRankings.size(), actualOrder.size());
+    for (size_t i = 0; i < expectedRankings.size(); ++i) {
+        EXPECT_EQ(expectedRankings[i].displayModePtr, actualOrder[i].displayModePtr)
+                << "Expected fps " << expectedRankings[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << actualOrder[i].displayModePtr->getFps().getIntValue();
+    }
+
+    lr1.vote = LayerVoteType::Heuristic;
+    lr1.desiredRefreshRate = 30_Hz;
+    lr1.name = "30Hz";
+
+    lr2.desiredRefreshRate = 120_Hz;
+    lr2.name = "120Hz";
+
+    lr3.desiredRefreshRate = 60_Hz;
+    lr3.name = "60Hz";
+
+    lr5.desiredRefreshRate = 72_Hz;
+    lr5.name = "72Hz";
+
+    expectedRankings = {
+            RefreshRateRanking{kMode30},  RefreshRateRanking{kMode60}, RefreshRateRanking{kMode90},
+            RefreshRateRanking{kMode120}, RefreshRateRanking{kMode72},
+    };
+
+    actualOrder = configs.getRankedRefreshRatesAndSignals(layers, {}).first;
+    ASSERT_EQ(expectedRankings.size(), actualOrder.size());
+    for (size_t i = 0; i < expectedRankings.size(); ++i) {
+        EXPECT_EQ(expectedRankings[i].displayModePtr, actualOrder[i].displayModePtr)
+                << "Expected fps " << expectedRankings[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << actualOrder[i].displayModePtr->getFps().getIntValue();
+    }
+
+    lr1.desiredRefreshRate = 120_Hz;
+    lr1.name = "120Hz";
+    lr1.weight = 0.0f;
+
+    lr2.desiredRefreshRate = 60_Hz;
+    lr2.name = "60Hz";
+    lr2.vote = LayerVoteType::NoVote;
+
+    lr3.name = "60Hz-2";
+    lr3.vote = LayerVoteType::Heuristic;
+
+    lr4.vote = LayerVoteType::ExplicitExact;
+
+    lr5.desiredRefreshRate = 120_Hz;
+    lr5.name = "120Hz-2";
+
+    expectedRankings = {
+            RefreshRateRanking{kMode90}, RefreshRateRanking{kMode60}, RefreshRateRanking{kMode120},
+            RefreshRateRanking{kMode72}, RefreshRateRanking{kMode30},
+    };
+
+    actualOrder = configs.getRankedRefreshRatesAndSignals(layers, {}).first;
+    ASSERT_EQ(expectedRankings.size(), actualOrder.size());
+    for (size_t i = 0; i < expectedRankings.size(); ++i) {
+        EXPECT_EQ(expectedRankings[i].displayModePtr, actualOrder[i].displayModePtr)
+                << "Expected fps " << expectedRankings[i].displayModePtr->getFps().getIntValue()
+                << " Actual fps " << actualOrder[i].displayModePtr->getFps().getIntValue();
+    }
+}
+
 TEST_F(RefreshRateConfigsTest,
        getBestRefreshRate_withDisplayManagerRequestingSingleRate_onlySwitchesRatesForExplicitFocusedLayers) {
     TestableRefreshRateConfigs configs(kModes_60_90, kModeId90);
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}, {60_Hz, 90_Hz}}));
 
-    const auto [mode, signals] = configs.getBestRefreshRateAndSignals({}, {});
-    EXPECT_EQ(mode, kMode90);
+    const auto [mode, signals] = configs.getRankedRefreshRatesAndSignals({}, {});
+    EXPECT_EQ(mode.front().displayModePtr, kMode90);
     EXPECT_FALSE(signals.touch);
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
@@ -1250,10 +1594,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayer) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
     auto& layer = layers[0];
@@ -1268,10 +1612,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerOnlySeamless) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     // Verify that we won't change the group if seamless switch is required.
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
@@ -1287,10 +1631,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerOnlySeamlessDefaultFps) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     configs.setActiveModeId(kModeId90);
 
@@ -1308,10 +1652,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithOneLayerDefaultSeamlessness) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     configs.setActiveModeId(kModeId90);
 
@@ -1332,10 +1676,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersOnlySeamlessAndSeamed) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     configs.setActiveModeId(kModeId90);
 
@@ -1361,10 +1705,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersDefaultFocusedAndSeamed) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     configs.setActiveModeId(kModeId90);
 
@@ -1394,10 +1738,10 @@
 TEST_F(RefreshRateConfigsTest, groupSwitchingWithTwoLayersDefaultNotFocusedAndSeamed) {
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId60);
 
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     configs.setActiveModeId(kModeId90);
 
@@ -1425,10 +1769,10 @@
     TestableRefreshRateConfigs configs(kModes_30_60, kModeId60);
 
     // Allow group switching.
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}};
     auto& layer = layers[0];
@@ -1448,10 +1792,10 @@
     TestableRefreshRateConfigs configs(kModes_25_30_50_60, kModeId60);
 
     // Allow group switching.
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     std::vector<LayerRequirement> layers = {{.name = "60Hz ExplicitDefault",
                                              .vote = LayerVoteType::ExplicitDefault,
@@ -1480,10 +1824,10 @@
     TestableRefreshRateConfigs configs(kModes_60_90_G1, kModeId90);
 
     // Allow group switching.
-    RefreshRateConfigs::Policy policy;
+    RefreshRateConfigs::DisplayManagerPolicy policy;
     policy.defaultMode = configs.getCurrentPolicy().defaultMode;
     policy.allowGroupSwitching = true;
-    EXPECT_GE(configs.setDisplayManagerPolicy(policy), 0);
+    EXPECT_EQ(SetPolicyResult::Changed, configs.setPolicy(policy));
 
     std::vector<LayerRequirement> layers = {
             {.name = "Min", .vote = LayerVoteType::Min, .weight = 1.f, .focused = true}};
@@ -1511,7 +1855,8 @@
         return configs.getBestRefreshRate(layers, {.touch = args.touch})->getId();
     };
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {30_Hz, 60_Hz}, {30_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {30_Hz, 60_Hz}, {30_Hz, 90_Hz}}));
 
     EXPECT_EQ(kModeId60, configs.getBestRefreshRate()->getId());
     EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
@@ -1535,7 +1880,8 @@
     EXPECT_EQ(kModeId60,
               getFrameRate(LayerVoteType::ExplicitExactOrMultiple, 90_Hz, {.touch = true}));
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 60_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}, {60_Hz, 60_Hz}}));
 
     EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::NoVote, 90_Hz));
     EXPECT_EQ(kModeId60, getFrameRate(LayerVoteType::Min, 90_Hz));
@@ -1556,14 +1902,16 @@
         layers[0].desiredRefreshRate = 90_Hz;
 
         const auto [refreshRate, signals] =
-                configs.getBestRefreshRateAndSignals(layers, {.touch = touchActive, .idle = true});
+                configs.getRankedRefreshRatesAndSignals(layers,
+                                                        {.touch = touchActive, .idle = true});
 
         // Refresh rate will be chosen by either touch state or idle state.
         EXPECT_EQ(!touchActive, signals.idle);
-        return refreshRate->getId();
+        return refreshRate.front().displayModePtr->getId();
     };
 
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}, {60_Hz, 90_Hz}}), 0);
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}, {60_Hz, 90_Hz}}));
 
     // Idle should be lower priority than touch boost.
     {
@@ -1719,24 +2067,26 @@
     using GlobalSignals = RefreshRateConfigs::GlobalSignals;
     const auto args = std::make_pair(std::vector<LayerRequirement>{},
                                      GlobalSignals{.touch = true, .idle = true});
-    const auto result = std::make_pair(kMode90, GlobalSignals{.touch = true});
 
-    configs.mutableGetBestRefreshRateCache() = {args, result};
+    const auto result = std::make_pair(std::vector<RefreshRateRanking>{RefreshRateRanking{kMode90}},
+                                       GlobalSignals{.touch = true});
 
-    EXPECT_EQ(result, configs.getBestRefreshRateAndSignals(args.first, args.second));
+    configs.mutableGetRankedRefreshRatesCache() = {args, result};
+
+    EXPECT_EQ(result, configs.getRankedRefreshRatesAndSignals(args.first, args.second));
 }
 
 TEST_F(RefreshRateConfigsTest, getBestRefreshRate_WritesCache) {
     TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId60);
 
-    EXPECT_FALSE(configs.mutableGetBestRefreshRateCache());
+    EXPECT_FALSE(configs.mutableGetRankedRefreshRatesCache());
 
     std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 0.5f}};
     RefreshRateConfigs::GlobalSignals globalSignals{.touch = true, .idle = true};
 
-    const auto result = configs.getBestRefreshRateAndSignals(layers, globalSignals);
+    const auto result = configs.getRankedRefreshRatesAndSignals(layers, globalSignals);
 
-    const auto& cache = configs.mutableGetBestRefreshRateCache();
+    const auto& cache = configs.mutableGetRankedRefreshRatesCache();
     ASSERT_TRUE(cache);
 
     EXPECT_EQ(cache->arguments, std::make_pair(layers, globalSignals));
@@ -1857,71 +2207,78 @@
 TEST_F(RefreshRateConfigsTest, testKernelIdleTimerAction) {
     using KernelIdleTimerAction = RefreshRateConfigs::KernelIdleTimerAction;
 
-    RefreshRateConfigs configs(kModes_60_90, kModeId90);
+    TestableRefreshRateConfigs configs(kModes_60_90, kModeId90);
 
-    // SetPolicy(60, 90), current 90Hz => TurnOn.
+    // setPolicy(60, 90), current 90Hz => TurnOn.
     EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
 
-    // SetPolicy(60, 90), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}}), 0);
+    // setPolicy(60, 90), current 60Hz => TurnOn.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 90_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
 
-    // SetPolicy(60, 60), current 60Hz => TurnOff
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
+    // setPolicy(60, 60), current 60Hz => TurnOff
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
 
-    // SetPolicy(90, 90), current 90Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}), 0);
+    // setPolicy(90, 90), current 90Hz => TurnOff.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId90, {90_Hz, 90_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
 }
 
 TEST_F(RefreshRateConfigsTest, testKernelIdleTimerActionFor120Hz) {
     using KernelIdleTimerAction = RefreshRateConfigs::KernelIdleTimerAction;
 
-    RefreshRateConfigs configs(kModes_60_120, kModeId120);
+    TestableRefreshRateConfigs configs(kModes_60_120, kModeId120);
 
-    // SetPolicy(0, 60), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 60_Hz}}), 0);
+    // setPolicy(0, 60), current 60Hz => TurnOn.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {0_Hz, 60_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
 
-    // SetPolicy(60, 60), current 60Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}), 0);
+    // setPolicy(60, 60), current 60Hz => TurnOff.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 60_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
 
-    // SetPolicy(60, 120), current 60Hz => TurnOn.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 120_Hz}}), 0);
+    // setPolicy(60, 120), current 60Hz => TurnOn.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId60, {60_Hz, 120_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOn, configs.getIdleTimerAction());
 
-    // SetPolicy(120, 120), current 120Hz => TurnOff.
-    EXPECT_GE(configs.setDisplayManagerPolicy({kModeId120, {120_Hz, 120_Hz}}), 0);
+    // setPolicy(120, 120), current 120Hz => TurnOff.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              configs.setDisplayManagerPolicy({kModeId120, {120_Hz, 120_Hz}}));
     EXPECT_EQ(KernelIdleTimerAction::TurnOff, configs.getIdleTimerAction());
 }
 
 TEST_F(RefreshRateConfigsTest, getFrameRateDivisor) {
-    RefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId30);
+    TestableRefreshRateConfigs configs(kModes_30_60_72_90_120, kModeId30);
 
     const auto frameRate = 30_Hz;
-    Fps displayRefreshRate = configs.getActiveMode()->getFps();
+    Fps displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(1, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
 
     configs.setActiveModeId(kModeId60);
-    displayRefreshRate = configs.getActiveMode()->getFps();
+    displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(2, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
 
     configs.setActiveModeId(kModeId72);
-    displayRefreshRate = configs.getActiveMode()->getFps();
+    displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
 
     configs.setActiveModeId(kModeId90);
-    displayRefreshRate = configs.getActiveMode()->getFps();
+    displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(3, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
 
     configs.setActiveModeId(kModeId120);
-    displayRefreshRate = configs.getActiveMode()->getFps();
+    displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(4, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, frameRate));
 
     configs.setActiveModeId(kModeId90);
-    displayRefreshRate = configs.getActiveMode()->getFps();
+    displayRefreshRate = configs.getActiveMode().getFps();
     EXPECT_EQ(4, RefreshRateConfigs::getFrameRateDivisor(displayRefreshRate, 22.5_Hz));
 
     EXPECT_EQ(0, RefreshRateConfigs::getFrameRateDivisor(24_Hz, 25_Hz));
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
index 1e6e336..ac63a0e 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
@@ -21,8 +21,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 #include "TestableSurfaceFlinger.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -59,8 +57,8 @@
     static constexpr int32_t PRIORITY_UNSET = -1;
 
     void setupScheduler();
-    sp<BufferStateLayer> createBufferStateLayer();
-    sp<EffectLayer> createEffectLayer();
+    sp<Layer> createBufferStateLayer();
+    sp<Layer> createEffectLayer();
 
     void setParent(Layer* child, Layer* parent);
     void commitTransaction(Layer* layer);
@@ -88,22 +86,21 @@
     ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
 }
 
-
-sp<BufferStateLayer> RefreshRateSelectionTest::createBufferStateLayer() {
+sp<Layer> RefreshRateSelectionTest::createBufferStateLayer() {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-queue-layer", LAYER_FLAGS,
                            LayerMetadata());
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
-sp<EffectLayer> RefreshRateSelectionTest::createEffectLayer() {
+sp<Layer> RefreshRateSelectionTest::createEffectLayer() {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "color-layer", LAYER_FLAGS, LayerMetadata());
-    return new EffectLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void RefreshRateSelectionTest::setParent(Layer* child, Layer* parent) {
-    child->setParent(parent);
+    child->setParent(sp<Layer>::fromExisting(parent));
 }
 
 void RefreshRateSelectionTest::commitTransaction(Layer* layer) {
@@ -117,13 +114,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp b/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
index f19e554..409e1ef 100644
--- a/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RegionSamplingTest.cpp
@@ -106,40 +106,6 @@
                 testing::Eq(0.0));
 }
 
-// workaround for b/133849373
-TEST_F(RegionSamplingTest, orientation_90) {
-    std::generate(buffer.begin(), buffer.end(),
-                  [n = 0]() mutable { return (n++ > (kStride * kHeight >> 1)) ? kBlack : kWhite; });
-
-    Rect tl_region{0, 0, 4, 4};
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,
-                           tl_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,
-                           tl_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,
-                           tl_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,
-                           tl_region),
-                testing::Eq(0.0));
-
-    Rect br_region{kWidth - 4, kHeight - 4, kWidth, kHeight};
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,
-                           br_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,
-                           br_region),
-                testing::Eq(0.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,
-                           br_region),
-                testing::Eq(1.0));
-    EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,
-                           br_region),
-                testing::Eq(1.0));
-}
-
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
index 93c809e..53e49eb 100644
--- a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
@@ -48,7 +48,8 @@
     class MockEventThreadConnection : public android::EventThreadConnection {
     public:
         explicit MockEventThreadConnection(EventThread* eventThread)
-              : EventThreadConnection(eventThread, /*callingUid=*/0, ResyncCallback()) {}
+              : EventThreadConnection(eventThread, /*callingUid*/ static_cast<uid_t>(0),
+                                      ResyncCallback()) {}
         ~MockEventThreadConnection() = default;
 
         MOCK_METHOD1(stealReceiveChannel, binder::Status(gui::BitTube* outChannel));
@@ -79,7 +80,7 @@
     mEventThread = eventThread.get();
     EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_)).WillOnce(Return(0));
 
-    mEventThreadConnection = new MockEventThreadConnection(mEventThread);
+    mEventThreadConnection = sp<MockEventThreadConnection>::make(mEventThread);
 
     // createConnection call to scheduler makes a createEventConnection call to EventThread. Make
     // sure that call gets executed and returns an EventThread::Connection object.
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
index b9a5f36..dfcfd91 100644
--- a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -24,8 +24,6 @@
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
-#include "BufferStateLayer.h"
-#include "EffectLayer.h"
 #include "Layer.h"
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic pop // ignored "-Wconversion"
@@ -78,11 +76,11 @@
 }
 
 void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->addChild(child.get());
+    layer->addChild(child);
 }
 
 void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->removeChild(child.get());
+    layer->removeChild(child);
 }
 
 void SetFrameRateTest::commitTransaction() {
@@ -374,11 +372,6 @@
     const auto& layerFactory = GetParam();
 
     auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
-    if (!parent->isVisible()) {
-        // This is a hack as all the test layers except EffectLayer are not visible,
-        // but since the logic is unified in Layer, it should be fine.
-        return;
-    }
 
     auto child = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
     addChild(parent, child);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
index c7e61c9..40ef949 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DestroyDisplayTest.cpp
@@ -65,7 +65,7 @@
     // --------------------------------------------------------------------
     // Preconditions
 
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     // --------------------------------------------------------------------
     // Invocation
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
index 5872a47..6b7e353 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
@@ -20,6 +20,7 @@
 
 #include "DisplayTransactionTestHelpers.h"
 
+#include <ftl/fake_guard.h>
 #include <scheduler/Fps.h>
 
 namespace android {
@@ -40,18 +41,17 @@
         PrimaryDisplayVariant::setupNativeWindowSurfaceCreationCallExpectations(this);
         PrimaryDisplayVariant::setupHwcGetActiveConfigCallExpectations(this);
 
+        DisplayModes modes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
+        auto configs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
+
+        setupScheduler(configs);
+
         mFlinger.onComposerHalHotplug(PrimaryDisplayVariant::HWC_DISPLAY_ID, Connection::CONNECTED);
+        mFlinger.configureAndCommit();
 
-        {
-            DisplayModes modes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
-            auto configs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
-
-            mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
-                               .setDisplayModes(std::move(modes), kModeId60, std::move(configs))
-                               .inject();
-        }
-
-        setupScheduler(mDisplay->holdRefreshRateConfigs());
+        mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
+                           .setDisplayModes(std::move(modes), kModeId60, std::move(configs))
+                           .inject();
 
         // isVsyncPeriodSwitchSupported should return true, otherwise the SF's HWC proxy
         // will call setActiveConfig instead of setActiveConfigWithConstraints.
@@ -87,13 +87,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -110,8 +112,10 @@
 }
 
 TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
@@ -120,7 +124,7 @@
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     const VsyncPeriodChangeTimeline timeline{.refreshRequired = true};
@@ -133,7 +137,7 @@
 
     Mock::VerifyAndClearExpectations(mComposer);
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     // Verify that the next commit will complete the mode change and send
     // a onModeChanged event to the framework.
@@ -143,10 +147,12 @@
     Mock::VerifyAndClearExpectations(mAppEventThread);
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId90);
 }
 
 TEST_F(DisplayModeSwitchingTest, changeRefreshRate_OnActiveDisplay_WithoutRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
 
     mFlinger.onActiveDisplayChanged(mDisplay);
@@ -156,7 +162,7 @@
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     // and complete the mode change.
@@ -171,15 +177,17 @@
     mFlinger.commit();
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId90);
 }
 
 TEST_F(DisplayModeSwitchingTest, twoConsecutiveSetDesiredDisplayModeSpecs) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     // Test that if we call setDesiredDisplayModeSpecs while a previous mode change
     // is still being processed the later call will be respected.
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
@@ -213,12 +221,14 @@
     mFlinger.commit();
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId120);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId120);
 }
 
 TEST_F(DisplayModeSwitchingTest, changeResolution_OnActiveDisplay_WithoutRefreshRequired) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     mFlinger.onActiveDisplayChanged(mDisplay);
 
@@ -227,7 +237,7 @@
 
     ASSERT_TRUE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getDesiredActiveMode()->mode->getId(), kModeId90_4K);
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId60);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId60);
 
     // Verify that next commit will call setActiveConfigWithConstraints in HWC
     // and complete the mode change.
@@ -262,7 +272,7 @@
     mDisplay = mFlinger.getDisplay(displayToken);
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
-    ASSERT_EQ(mDisplay->getActiveMode()->getId(), kModeId90_4K);
+    ASSERT_EQ(mDisplay->getActiveMode().getId(), kModeId90_4K);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
index 9ac2907..73f654b 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayTransactionCommitTest.cpp
@@ -118,9 +118,7 @@
         ASSERT_TRUE(displayId);
         const auto hwcDisplayId = Case::Display::HWC_DISPLAY_ID_OPT::value;
         ASSERT_TRUE(hwcDisplayId);
-        expectedPhysical = {.id = *displayId,
-                            .type = *connectionType,
-                            .hwcDisplayId = *hwcDisplayId};
+        expectedPhysical = {.id = *displayId, .hwcDisplayId = *hwcDisplayId};
     }
 
     // The display should have been set up in the current display state
@@ -145,10 +143,13 @@
     const auto displayId = Case::Display::DISPLAY_ID::get();
     ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
 
-    const auto displayTokenOpt = mFlinger.mutablePhysicalDisplayTokens().get(displayId);
-    ASSERT_TRUE(displayTokenOpt);
+    const auto displayOpt = mFlinger.mutablePhysicalDisplays().get(displayId);
+    ASSERT_TRUE(displayOpt);
 
-    verifyDisplayIsConnected<Case>(displayTokenOpt->get());
+    const auto& display = displayOpt->get();
+    EXPECT_EQ(Case::Display::CONNECTION_TYPE::value, display.snapshot().connectionType());
+
+    verifyDisplayIsConnected<Case>(display.token());
 }
 
 void DisplayTransactionCommitTest::verifyDisplayIsNotConnected(const sp<IBinder>& displayToken) {
@@ -175,7 +176,7 @@
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -204,7 +205,7 @@
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -239,7 +240,7 @@
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+    mFlinger.configureAndCommit();
 
     // --------------------------------------------------------------------
     // Postconditions
@@ -247,10 +248,10 @@
     // HWComposer should not have an entry for the display
     EXPECT_FALSE(hasPhysicalHwcDisplay(Case::Display::HWC_DISPLAY_ID));
 
-    // SF should not have a display token.
+    // SF should not have a PhysicalDisplay.
     const auto displayId = Case::Display::DISPLAY_ID::get();
     ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
-    ASSERT_FALSE(mFlinger.mutablePhysicalDisplayTokens().contains(displayId));
+    ASSERT_FALSE(mFlinger.mutablePhysicalDisplays().contains(displayId));
 
     // The existing token should have been removed.
     verifyDisplayIsNotConnected(existing.token());
@@ -321,7 +322,7 @@
                 // --------------------------------------------------------------------
                 // Invocation
 
-                mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+                mFlinger.configureAndCommit();
 
                 // --------------------------------------------------------------------
                 // Postconditions
@@ -329,10 +330,10 @@
                 // HWComposer should not have an entry for the display
                 EXPECT_FALSE(hasPhysicalHwcDisplay(Case::Display::HWC_DISPLAY_ID));
 
-                // SF should not have a display token.
+                // SF should not have a PhysicalDisplay.
                 const auto displayId = Case::Display::DISPLAY_ID::get();
                 ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
-                ASSERT_FALSE(mFlinger.mutablePhysicalDisplayTokens().contains(displayId));
+                ASSERT_FALSE(mFlinger.mutablePhysicalDisplays().contains(displayId));
             }(),
             testing::KilledBySignal(SIGABRT), "Primary display cannot be disconnected.");
 }
@@ -366,7 +367,7 @@
                 // --------------------------------------------------------------------
                 // Invocation
 
-                mFlinger.commitTransactionsLocked(eDisplayTransactionNeeded);
+                mFlinger.configureAndCommit();
 
                 // --------------------------------------------------------------------
                 // Postconditions
@@ -376,9 +377,9 @@
                 const auto displayId = Case::Display::DISPLAY_ID::get();
                 ASSERT_TRUE(PhysicalDisplayId::tryCast(displayId));
 
-                const auto displayTokenOpt = mFlinger.mutablePhysicalDisplayTokens().get(displayId);
-                ASSERT_TRUE(displayTokenOpt);
-                EXPECT_NE(existing.token(), displayTokenOpt->get());
+                const auto displayOpt = mFlinger.mutablePhysicalDisplays().get(displayId);
+                ASSERT_TRUE(displayOpt);
+                EXPECT_NE(existing.token(), displayOpt->get().token());
 
                 // A new display should be connected in its place.
                 verifyPhysicalDisplayIsConnected<Case>();
@@ -408,12 +409,12 @@
 
     // A virtual display was added to the current state, and it has a
     // surface(producer)
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     DisplayDeviceState state;
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
 
-    sp<mock::GraphicBufferProducer> surface{new mock::GraphicBufferProducer()};
+    sp<mock::GraphicBufferProducer> surface{sp<mock::GraphicBufferProducer>::make()};
     state.surface = surface;
     mFlinger.mutableCurrentState().displays.add(displayToken, state);
 
@@ -479,7 +480,7 @@
 
     // A virtual display was added to the current state, but it does not have a
     // surface.
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     DisplayDeviceState state;
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
@@ -656,9 +657,11 @@
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf =
+
+            sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
@@ -701,9 +704,9 @@
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf = sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
@@ -750,9 +753,9 @@
     // Preconditions
 
     // A display is set up
-    auto nativeWindow = new mock::NativeWindow();
-    auto displaySurface = new compositionengine::mock::DisplaySurface();
-    sp<GraphicBuffer> buf = new GraphicBuffer();
+    auto nativeWindow = sp<mock::NativeWindow>::make();
+    auto displaySurface = sp<compositionengine::mock::DisplaySurface>::make();
+    sp<GraphicBuffer> buf = sp<GraphicBuffer>::make();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
index 0171f1b..5951c98 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_GetDisplayNativePrimariesTest.cpp
@@ -95,7 +95,7 @@
 }
 
 TEST_F(GetDisplayNativePrimaries, notInternalDisplayToken) {
-    sp<BBinder> notInternalDisplayToken = new BBinder();
+    sp<BBinder> notInternalDisplayToken = sp<BBinder>::make();
 
     ui::DisplayPrimaries primaries;
     populateDummyDisplayNativePrimaries(primaries);
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
index c9a2b00..1210d0b 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_HotplugTest.cpp
@@ -20,41 +20,18 @@
 #include "DisplayTransactionTestHelpers.h"
 
 namespace android {
-namespace {
 
 class HotplugTest : public DisplayTransactionTest {};
 
-TEST_F(HotplugTest, enqueuesEventsForDisplayTransaction) {
+TEST_F(HotplugTest, schedulesConfigureToProcessHotplugEvents) {
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleConfigure()).Times(2);
+
     constexpr HWDisplayId hwcDisplayId1 = 456;
-    constexpr HWDisplayId hwcDisplayId2 = 654;
-
-    // --------------------------------------------------------------------
-    // Preconditions
-
-    // Set the main thread id so that the current thread does not appear to be
-    // the main thread.
-    mFlinger.mutableMainThreadId() = std::thread::id();
-
-    // --------------------------------------------------------------------
-    // Call Expectations
-
-    // We expect a scheduled commit for the display transaction.
-    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
-
-    // --------------------------------------------------------------------
-    // Invocation
-
-    // Simulate two hotplug events (a connect and a disconnect)
     mFlinger.onComposerHalHotplug(hwcDisplayId1, Connection::CONNECTED);
+
+    constexpr HWDisplayId hwcDisplayId2 = 654;
     mFlinger.onComposerHalHotplug(hwcDisplayId2, Connection::DISCONNECTED);
 
-    // --------------------------------------------------------------------
-    // Postconditions
-
-    // The display transaction needed flag should be set.
-    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
-
-    // All events should be in the pending event queue.
     const auto& pendingEvents = mFlinger.mutablePendingHotplugEvents();
     ASSERT_EQ(2u, pendingEvents.size());
     EXPECT_EQ(hwcDisplayId1, pendingEvents[0].hwcDisplayId);
@@ -63,49 +40,83 @@
     EXPECT_EQ(Connection::DISCONNECTED, pendingEvents[1].connection);
 }
 
-TEST_F(HotplugTest, processesEnqueuedEventsIfCalledOnMainThread) {
-    constexpr HWDisplayId displayId1 = 456;
-
-    // --------------------------------------------------------------------
-    // Note:
-    // --------------------------------------------------------------------
-    // This test case is a bit tricky. We want to verify that
-    // onComposerHalHotplug() calls processDisplayHotplugEventsLocked(), but we
-    // don't really want to provide coverage for everything the later function
-    // does as there are specific tests for it.
-    // --------------------------------------------------------------------
-
-    // --------------------------------------------------------------------
-    // Preconditions
-
-    // Set the main thread id so that the current thread does appear to be the
-    // main thread.
-    mFlinger.mutableMainThreadId() = std::this_thread::get_id();
-
-    // --------------------------------------------------------------------
-    // Call Expectations
-
-    // We expect a scheduled commit for the display transaction.
+TEST_F(HotplugTest, schedulesFrameToCommitDisplayTransaction) {
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleConfigure()).Times(1);
     EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
-    // --------------------------------------------------------------------
-    // Invocation
-
-    // Simulate a disconnect on a display id that is not connected. This should
-    // be enqueued by onComposerHalHotplug(), and dequeued by
-    // processDisplayHotplugEventsLocked(), but then ignored as invalid.
+    constexpr HWDisplayId displayId1 = 456;
     mFlinger.onComposerHalHotplug(displayId1, Connection::DISCONNECTED);
+    mFlinger.configure();
 
-    // --------------------------------------------------------------------
-    // Postconditions
-
-    // The display transaction needed flag should be set.
-    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
-
-    // There should be no event queued on return, as it should have been
-    // processed.
+    // The configure stage should consume the hotplug queue and produce a display transaction.
     EXPECT_TRUE(mFlinger.mutablePendingHotplugEvents().empty());
+    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
 }
 
-} // namespace
+TEST_F(HotplugTest, ignoresDuplicateDisconnection) {
+    // Inject a primary display.
+    PrimaryDisplayVariant::injectHwcDisplay(this);
+
+    using ExternalDisplay = ExternalDisplayVariant;
+    ExternalDisplay::setupHwcHotplugCallExpectations(this);
+    ExternalDisplay::setupHwcGetActiveConfigCallExpectations(this);
+
+    // TODO(b/241286146): Remove this unnecessary call.
+    EXPECT_CALL(*mComposer,
+                setVsyncEnabled(ExternalDisplay::HWC_DISPLAY_ID, IComposerClient::Vsync::DISABLE))
+            .WillOnce(Return(Error::NONE));
+
+    // A single commit should be scheduled for both configure calls.
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::CONNECTED);
+    mFlinger.configure();
+
+    EXPECT_TRUE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+
+    // Disconnecting a display that was already disconnected should be a no-op.
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    mFlinger.configure();
+
+    // The display should be scheduled for removal during the next commit. At this point, it should
+    // still exist but be marked as disconnected.
+    EXPECT_TRUE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+    EXPECT_FALSE(mFlinger.getHwComposer().isConnected(ExternalDisplay::DISPLAY_ID::get()));
+}
+
+TEST_F(HotplugTest, rejectsHotplugIfFailedToLoadDisplayModes) {
+    // Inject a primary display.
+    PrimaryDisplayVariant::injectHwcDisplay(this);
+
+    using ExternalDisplay = ExternalDisplayVariant;
+    constexpr bool kFailedHotplug = true;
+    ExternalDisplay::setupHwcHotplugCallExpectations<kFailedHotplug>(this);
+
+    // Simulate a connect event that fails to load display modes due to HWC already having
+    // disconnected the display but SF yet having to process the queued disconnect event.
+    EXPECT_CALL(*mComposer, getActiveConfig(ExternalDisplay::HWC_DISPLAY_ID, _))
+            .WillRepeatedly(Return(Error::BAD_DISPLAY));
+
+    // TODO(b/241286146): Remove this unnecessary call.
+    EXPECT_CALL(*mComposer,
+                setVsyncEnabled(ExternalDisplay::HWC_DISPLAY_ID, IComposerClient::Vsync::DISABLE))
+            .WillOnce(Return(Error::NONE));
+
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::CONNECTED);
+    mFlinger.configure();
+
+    // The hotplug should be rejected, so no HWComposer::DisplayData should be created.
+    EXPECT_FALSE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+
+    // Disconnecting a display that does not exist should be a no-op.
+    ExternalDisplay::injectPendingHotplugEvent(this, Connection::DISCONNECTED);
+    mFlinger.configure();
+
+    EXPECT_FALSE(hasPhysicalHwcDisplay(ExternalDisplay::HWC_DISPLAY_ID));
+}
+
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
index 37cf05e..98249bf 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
@@ -78,19 +78,8 @@
     auto displayDevice = primaryDisplay.mutableDisplayDevice();
     EXPECT_EQ(PowerMode::ON, displayDevice->getPowerMode());
 
-    // The display refresh period should be set in the orientedDisplaySpaceRect tracker.
-    FrameStats stats;
-    mFlinger.getAnimFrameTracker().getStats(&stats);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, stats.refreshPeriodNano);
-
     // The display transaction needed flag should be set.
     EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
-
-    // The compositor timing should be set to default values
-    const auto& compositorTiming = mFlinger.getCompositorTiming();
-    EXPECT_EQ(-DEFAULT_VSYNC_PERIOD, compositorTiming.deadline);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, compositorTiming.interval);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, compositorTiming.presentLatency);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
index 2c9888d..bc66961 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
@@ -60,8 +60,8 @@
     renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
     sp<DisplayDevice> mDisplay;
     sp<compositionengine::mock::DisplaySurface> mDisplaySurface =
-            new compositionengine::mock::DisplaySurface();
-    mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
     mock::TimeStats* mTimeStats = new mock::TimeStats();
     Hwc2::mock::PowerAdvisor* mPowerAdvisor = nullptr;
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -97,7 +97,7 @@
                     .setNativeWindow(mNativeWindow)
                     .setPowerMode(hal::PowerMode::ON)
                     .inject();
-    mFlinger.mutableActiveDisplayToken() = mDisplay->getDisplayToken();
+    mFlinger.mutableActiveDisplayId() = mDisplay->getPhysicalId();
 }
 
 void SurfaceFlingerPowerHintTest::setupScheduler() {
@@ -106,13 +106,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -131,22 +133,20 @@
 TEST_F(SurfaceFlingerPowerHintTest, sendDurationsIncludingHwcWaitTime) {
     ON_CALL(*mPowerAdvisor, usePowerHintSession()).WillByDefault(Return(true));
 
-    const std::chrono::nanoseconds mockVsyncPeriod = 15ms;
     EXPECT_CALL(*mPowerAdvisor, setTargetWorkDuration(_)).Times(1);
-
-    const nsecs_t now = systemTime();
-    const std::chrono::nanoseconds mockHwcRunTime = 20ms;
     EXPECT_CALL(*mDisplaySurface,
                 prepareFrame(compositionengine::DisplaySurface::CompositionType::Hwc))
             .Times(1);
-    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _))
-            .WillOnce([mockHwcRunTime] {
-                std::this_thread::sleep_for(mockHwcRunTime);
-                return hardware::graphics::composer::V2_1::Error::NONE;
-            });
+    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _)).WillOnce([] {
+        constexpr Duration kMockHwcRunTime = 20ms;
+        std::this_thread::sleep_for(kMockHwcRunTime);
+        return hardware::graphics::composer::V2_1::Error::NONE;
+    });
     EXPECT_CALL(*mPowerAdvisor, sendActualWorkDuration()).Times(1);
-    static constexpr bool kVsyncId = 123; // arbitrary
-    mFlinger.commitAndComposite(now, kVsyncId, now + mockVsyncPeriod.count());
+
+    const TimePoint frameTime = scheduler::SchedulerClock::now();
+    constexpr Period kMockVsyncPeriod = 15ms;
+    mFlinger.commitAndComposite(frameTime, VsyncId{123}, frameTime + kMockVsyncPeriod);
 }
 
 TEST_F(SurfaceFlingerPowerHintTest, inactiveOnDisplayDoze) {
@@ -154,22 +154,20 @@
 
     mDisplay->setPowerMode(hal::PowerMode::DOZE);
 
-    const std::chrono::nanoseconds mockVsyncPeriod = 15ms;
     EXPECT_CALL(*mPowerAdvisor, setTargetWorkDuration(_)).Times(0);
-
-    const nsecs_t now = systemTime();
-    const std::chrono::nanoseconds mockHwcRunTime = 20ms;
     EXPECT_CALL(*mDisplaySurface,
                 prepareFrame(compositionengine::DisplaySurface::CompositionType::Hwc))
             .Times(1);
-    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _))
-            .WillOnce([mockHwcRunTime] {
-                std::this_thread::sleep_for(mockHwcRunTime);
-                return hardware::graphics::composer::V2_1::Error::NONE;
-            });
+    EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _)).WillOnce([] {
+        constexpr Duration kMockHwcRunTime = 20ms;
+        std::this_thread::sleep_for(kMockHwcRunTime);
+        return hardware::graphics::composer::V2_1::Error::NONE;
+    });
     EXPECT_CALL(*mPowerAdvisor, sendActualWorkDuration()).Times(0);
-    static constexpr bool kVsyncId = 123; // arbitrary
-    mFlinger.commitAndComposite(now, kVsyncId, now + mockVsyncPeriod.count());
+
+    const TimePoint frameTime = scheduler::SchedulerClock::now();
+    constexpr Period kMockVsyncPeriod = 15ms;
+    mFlinger.commitAndComposite(frameTime, VsyncId{123}, frameTime + kMockVsyncPeriod);
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
index 7d9e22b..9c7f55b 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetDisplayStateTest.cpp
@@ -34,7 +34,7 @@
     // Preconditions
 
     // We have an unknown display token not associated with a known display
-    sp<BBinder> displayToken = new BBinder();
+    sp<BBinder> displayToken = sp<BBinder>::make();
 
     // The requested display state references the unknown display.
     DisplayState state;
@@ -95,7 +95,7 @@
     display.inject();
 
     // There is a surface that can be set.
-    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();
+    sp<mock::GraphicBufferProducer> surface = sp<mock::GraphicBufferProducer>::make();
 
     // The current display state has the surface set
     display.mutableCurrentDisplayState().surface = surface;
@@ -132,7 +132,7 @@
     display.inject();
 
     // There is a surface that can be set.
-    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();
+    sp<mock::GraphicBufferProducer> surface = sp<mock::GraphicBufferProducer>::make();
 
     // The current display state does not have a surface
     display.mutableCurrentDisplayState().surface = nullptr;
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
index 583cf5f..6f84437 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetPowerModeInternalTest.cpp
@@ -140,7 +140,6 @@
 
     static void verifyPostconditions(DisplayTransactionTest* test) {
         EXPECT_TRUE(test->mFlinger.getVisibleRegionsDirty());
-        EXPECT_TRUE(test->mFlinger.getHasPoweredOff());
     }
 };
 
@@ -155,7 +154,6 @@
 
     static void verifyPostconditions(DisplayTransactionTest* test) {
         EXPECT_TRUE(test->mFlinger.getVisibleRegionsDirty());
-        EXPECT_TRUE(test->mFlinger.getHasPoweredOff());
     }
 };
 
@@ -255,14 +253,16 @@
     using DispSync = DispSyncVariant;
     using Transition = TransitionVariant;
 
-    static auto injectDisplayWithInitialPowerMode(DisplayTransactionTest* test, PowerMode mode) {
+    static sp<DisplayDevice> injectDisplayWithInitialPowerMode(DisplayTransactionTest* test,
+                                                               PowerMode mode) {
         Display::injectHwcDisplayWithNoDefaultCapabilities(test);
-        auto display = Display::makeFakeExistingDisplayInjector(test);
-        display.inject();
-        display.mutableDisplayDevice()->setPowerMode(mode);
-        if (display.mutableDisplayDevice()->isInternal()) {
-            test->mFlinger.mutableActiveDisplayToken() =
-                    display.mutableDisplayDevice()->getDisplayToken();
+        auto injector = Display::makeFakeExistingDisplayInjector(test);
+        const auto display = injector.inject();
+        display->setPowerMode(mode);
+        if (injector.physicalDisplay()
+                    .transform(&display::PhysicalDisplay::isInternal)
+                    .value_or(false)) {
+            test->mFlinger.mutableActiveDisplayId() = display->getPhysicalId();
         }
 
         return display;
@@ -355,8 +355,7 @@
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.setPowerModeInternal(display.mutableDisplayDevice(),
-                                  Case::Transition::TARGET_POWER_MODE);
+    mFlinger.setPowerModeInternal(display, Case::Transition::TARGET_POWER_MODE);
 
     // --------------------------------------------------------------------
     // Postconditions
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
index a0e078b..0384568 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp
@@ -17,6 +17,8 @@
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
+#include <ftl/fake_guard.h>
+
 #include "DisplayHardware/DisplayMode.h"
 
 #include "DisplayTransactionTestHelpers.h"
@@ -34,16 +36,13 @@
     static constexpr bool WIDE_COLOR_SUPPORTED = true;
 
     static void injectConfigChange(DisplayTransactionTest* test) {
-        test->mFlinger.mutableHasWideColorDisplay() = true;
+        test->mFlinger.mutableSupportsWideColor() = true;
         test->mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
     }
 
     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_DATASPACE)).Times(1);
 
-        EXPECT_CALL(*test->mComposer, getColorModes(Display::HWC_DISPLAY_ID, _))
-                .WillOnce(DoAll(SetArgPointee<1>(std::vector<ColorMode>({ColorMode::DISPLAY_P3})),
-                                Return(Error::NONE)));
         EXPECT_CALL(*test->mComposer,
                     getRenderIntents(Display::HWC_DISPLAY_ID, ColorMode::DISPLAY_P3, _))
                 .WillOnce(DoAll(SetArgPointee<2>(
@@ -197,10 +196,10 @@
 
 template <typename Case>
 void SetupNewDisplayDeviceInternalTest::setupNewDisplayDeviceInternalTest() {
-    const sp<BBinder> displayToken = new BBinder();
+    const sp<BBinder> displayToken = sp<BBinder>::make();
     const sp<compositionengine::mock::DisplaySurface> displaySurface =
-            new compositionengine::mock::DisplaySurface();
-    const sp<mock::GraphicBufferProducer> producer = new mock::GraphicBufferProducer();
+            sp<compositionengine::mock::DisplaySurface>::make();
+    const auto producer = sp<mock::GraphicBufferProducer>::make();
 
     // --------------------------------------------------------------------
     // Preconditions
@@ -246,11 +245,20 @@
                                             .setDpiY(DEFAULT_DPI)
                                             .setGroup(0)
                                             .build();
+
         state.physical = {.id = *displayId,
-                          .type = *connectionType,
                           .hwcDisplayId = *hwcDisplayId,
-                          .supportedModes = makeModes(activeMode),
-                          .activeMode = std::move(activeMode)};
+                          .activeMode = activeMode};
+
+        ui::ColorModes colorModes;
+        if constexpr (Case::WideColorSupport::WIDE_COLOR_SUPPORTED) {
+            colorModes.push_back(ColorMode::DISPLAY_P3);
+        }
+
+        mFlinger.mutablePhysicalDisplays().emplace_or_replace(*displayId, displayToken, *displayId,
+                                                              *connectionType,
+                                                              makeModes(activeMode),
+                                                              std::move(colorModes), std::nullopt);
     }
 
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
@@ -262,9 +270,8 @@
     // --------------------------------------------------------------------
     // Postconditions
 
-    ASSERT_TRUE(device != nullptr);
+    ASSERT_NE(nullptr, device);
     EXPECT_EQ(Case::Display::DISPLAY_ID::get(), device->getId());
-    EXPECT_EQ(Case::Display::CONNECTION_TYPE::value, device->getConnectionType());
     EXPECT_EQ(static_cast<bool>(Case::Display::VIRTUAL), device->isVirtual());
     EXPECT_EQ(static_cast<bool>(Case::Display::SECURE), device->isSecure());
     EXPECT_EQ(static_cast<bool>(Case::Display::PRIMARY), device->isPrimary());
@@ -280,9 +287,8 @@
               device->receivesInput());
 
     if constexpr (Case::Display::CONNECTION_TYPE::value) {
-        EXPECT_EQ(1, device->getSupportedModes().size());
-        EXPECT_NE(nullptr, device->getActiveMode());
-        EXPECT_EQ(Case::Display::HWC_ACTIVE_CONFIG_ID, device->getActiveMode()->getHwcId());
+        ftl::FakeGuard guard(kMainThreadContext);
+        EXPECT_EQ(Case::Display::HWC_ACTIVE_CONFIG_ID, device->getActiveMode().getHwcId());
     }
 }
 
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp
new file mode 100644
index 0000000..0cf3bdf
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_UpdateLayerMetadataSnapshotTest.cpp
@@ -0,0 +1,212 @@
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <gui/LayerMetadata.h>
+
+#include "TestableSurfaceFlinger.h"
+#include "mock/MockEventThread.h"
+#include "mock/MockVsyncController.h"
+
+namespace android {
+
+using testing::_;
+using testing::Return;
+using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+
+class SurfaceFlingerUpdateLayerMetadataSnapshotTest : public testing::Test {
+public:
+    SurfaceFlingerUpdateLayerMetadataSnapshotTest() { setupScheduler(); }
+
+protected:
+    void setupScheduler() {
+        auto eventThread = std::make_unique<mock::EventThread>();
+        auto sfEventThread = std::make_unique<mock::EventThread>();
+
+        EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
+        EXPECT_CALL(*eventThread, createEventConnection(_, _))
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
+
+        EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
+        EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
+
+        auto vsyncController = std::make_unique<mock::VsyncController>();
+        auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
+
+        EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
+        EXPECT_CALL(*vsyncTracker, currentPeriod())
+                .WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
+        EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
+        mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
+                                std::move(eventThread), std::move(sfEventThread));
+    }
+
+    sp<Layer> createLayer(const char* name, LayerMetadata layerMetadata) {
+        return sp<Layer>::make(
+                LayerCreationArgs{mFlinger.flinger(), nullptr, name, 0, layerMetadata});
+    }
+
+    TestableSurfaceFlinger mFlinger;
+};
+
+class LayerMetadataBuilder {
+public:
+    LayerMetadataBuilder(LayerMetadata layerMetadata = {}) : mLayerMetadata(layerMetadata) {}
+
+    LayerMetadataBuilder& setInt32(uint32_t key, int32_t value) {
+        mLayerMetadata.setInt32(key, value);
+        return *this;
+    }
+
+    LayerMetadata build() { return mLayerMetadata; }
+
+private:
+    LayerMetadata mLayerMetadata;
+};
+
+bool operator==(const LayerMetadata& lhs, const LayerMetadata& rhs) {
+    return lhs.mMap == rhs.mMap;
+}
+
+std::ostream& operator<<(std::ostream& stream, const LayerMetadata& layerMetadata) {
+    stream << "LayerMetadata{";
+    for (auto it = layerMetadata.mMap.cbegin(); it != layerMetadata.mMap.cend(); it++) {
+        if (it != layerMetadata.mMap.cbegin()) {
+            stream << ", ";
+        }
+        stream << layerMetadata.itemToString(it->first, ":");
+    }
+    return stream << "}";
+}
+
+// Test that the snapshot's layer metadata is set.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesSnapshotMetadata) {
+    auto layerMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 1).build();
+    auto layer = createLayer("layer", layerMetadata);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layer);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    ASSERT_EQ(layer->getLayerSnapshot()->layerMetadata, layerMetadata);
+}
+
+// Test that snapshot layer metadata is set by merging the child's metadata on top of its
+// parent's metadata.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, mergesSnapshotMetadata) {
+    auto layerAMetadata = LayerMetadataBuilder()
+                                  .setInt32(METADATA_OWNER_UID, 1)
+                                  .setInt32(METADATA_TASK_ID, 2)
+                                  .build();
+    auto layerA = createLayer("parent", layerAMetadata);
+    auto layerBMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 3).build();
+    auto layerB = createLayer("child", layerBMetadata);
+    layerA->addChild(layerB);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    ASSERT_EQ(layerA->getLayerSnapshot()->layerMetadata, layerAMetadata);
+    auto expectedChildMetadata =
+            LayerMetadataBuilder(layerAMetadata).setInt32(METADATA_TASK_ID, 3).build();
+    ASSERT_EQ(layerB->getLayerSnapshot()->layerMetadata, expectedChildMetadata);
+}
+
+// Test that snapshot relative layer metadata is set to the parent's layer metadata merged on top of
+// that parent's relative layer metadata.
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesRelativeMetadata) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 1).build();
+    auto layerA = createLayer("relative-parent", layerAMetadata);
+    auto layerAHandle = layerA->getHandle();
+    auto layerBMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 2).build();
+    auto layerB = createLayer("relative-child", layerBMetadata);
+    layerB->setRelativeLayer(layerAHandle, 1);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerB);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    ASSERT_EQ(layerA->getLayerSnapshot()->relativeLayerMetadata, LayerMetadata{});
+    ASSERT_EQ(layerB->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+}
+
+// Test that snapshot relative layer metadata is set correctly when a layer is interleaved within
+// two other layers.
+//
+// Layer
+//      A
+//     / \
+//    B   D
+//   /
+//  C
+//
+// Z-order Relatives
+//    B <- D <- C
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest, updatesRelativeMetadataInterleaved) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_OWNER_UID, 1).build();
+    auto layerA = createLayer("layer-a", layerAMetadata);
+    auto layerBMetadata = LayerMetadataBuilder()
+                                  .setInt32(METADATA_TASK_ID, 2)
+                                  .setInt32(METADATA_OWNER_PID, 3)
+                                  .build();
+    auto layerB = createLayer("layer-b", layerBMetadata);
+    auto layerBHandle = layerB->getHandle();
+    auto layerC = createLayer("layer-c", {});
+    auto layerDMetadata = LayerMetadataBuilder().setInt32(METADATA_TASK_ID, 4).build();
+    auto layerD = createLayer("layer-d", layerDMetadata);
+    auto layerDHandle = layerD->getHandle();
+    layerB->addChild(layerC);
+    layerA->addChild(layerB);
+    layerA->addChild(layerD);
+    layerC->setRelativeLayer(layerDHandle, 1);
+    layerD->setRelativeLayer(layerBHandle, 1);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    auto expectedLayerDRelativeMetadata = LayerMetadataBuilder()
+                                                  // From layer A, parent of relative parent
+                                                  .setInt32(METADATA_OWNER_UID, 1)
+                                                  // From layer B, relative parent
+                                                  .setInt32(METADATA_TASK_ID, 2)
+                                                  .setInt32(METADATA_OWNER_PID, 3)
+                                                  .build();
+    ASSERT_EQ(layerD->getLayerSnapshot()->relativeLayerMetadata, expectedLayerDRelativeMetadata);
+    auto expectedLayerCRelativeMetadata =
+            LayerMetadataBuilder()
+                    // From layer A, parent of relative parent
+                    .setInt32(METADATA_OWNER_UID, 1)
+                    // From layer B, relative parent of relative parent
+                    .setInt32(METADATA_OWNER_PID, 3)
+                    // From layer D, relative parent
+                    .setInt32(METADATA_TASK_ID, 4)
+                    .build();
+    ASSERT_EQ(layerC->getLayerSnapshot()->relativeLayerMetadata, expectedLayerCRelativeMetadata);
+}
+
+TEST_F(SurfaceFlingerUpdateLayerMetadataSnapshotTest,
+       updatesRelativeMetadataMultipleRelativeChildren) {
+    auto layerAMetadata = LayerMetadataBuilder().setInt32(METADATA_OWNER_UID, 1).build();
+    auto layerA = createLayer("layer-a", layerAMetadata);
+    auto layerAHandle = layerA->getHandle();
+    auto layerB = createLayer("layer-b", {});
+    auto layerC = createLayer("layer-c", {});
+    layerB->setRelativeLayer(layerAHandle, 1);
+    layerC->setRelativeLayer(layerAHandle, 2);
+    layerA->commitChildList();
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerA);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerB);
+    mFlinger.mutableDrawingState().layersSortedByZ.add(layerC);
+
+    mFlinger.updateLayerMetadataSnapshot();
+
+    ASSERT_EQ(layerA->getLayerSnapshot()->relativeLayerMetadata, LayerMetadata{});
+    ASSERT_EQ(layerB->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+    ASSERT_EQ(layerC->getLayerSnapshot()->relativeLayerMetadata, layerAMetadata);
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index 4708572..93e3059 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -50,6 +50,7 @@
         });
     }
 
+    MOCK_METHOD(void, scheduleConfigure, (), (override));
     MOCK_METHOD(void, scheduleFrame, (), (override));
     MOCK_METHOD(void, postMessage, (sp<MessageHandler>&&), (override));
 
@@ -109,8 +110,9 @@
 
 private:
     // ICompositor overrides:
-    bool commit(nsecs_t, int64_t, nsecs_t) override { return false; }
-    void composite(nsecs_t, int64_t) override {}
+    void configure() override {}
+    bool commit(TimePoint, VsyncId, TimePoint) override { return false; }
+    void composite(TimePoint, VsyncId) override {}
     void sample() override {}
 };
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 283f9ca..eedd9cf 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -27,13 +27,10 @@
 #include <compositionengine/impl/Display.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
 #include <compositionengine/mock/DisplaySurface.h>
+#include <ftl/fake_guard.h>
 #include <gui/ScreenCaptureResults.h>
 
-#include "BufferQueueLayer.h"
-#include "BufferStateLayer.h"
-#include "ContainerLayer.h"
 #include "DisplayDevice.h"
-#include "EffectLayer.h"
 #include "FakeVsyncConfiguration.h"
 #include "FrameTracer/FrameTracer.h"
 #include "Layer.h"
@@ -85,21 +82,21 @@
     }
 
     sp<SurfaceInterceptor> createSurfaceInterceptor() override {
-        return new android::impl::SurfaceInterceptor();
+        return sp<android::impl::SurfaceInterceptor>::make();
     }
 
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
-        return new StartPropertySetThread(timestampPropertyValue);
+        return sp<StartPropertySetThread>::make(timestampPropertyValue);
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs& creationArgs) override {
-        return new DisplayDevice(creationArgs);
+        return sp<DisplayDevice>::make(creationArgs);
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
                                           uint32_t layerCount, uint64_t usage,
                                           std::string requestorName) override {
-        return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
+        return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
@@ -112,18 +109,6 @@
         mCreateBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
     }
 
-    sp<IGraphicBufferProducer> createMonitoredProducer(const sp<IGraphicBufferProducer>& producer,
-                                                       const sp<SurfaceFlinger>& flinger,
-                                                       const wp<Layer>& layer) override {
-        return new MonitoredProducer(producer, flinger, layer);
-    }
-
-    sp<BufferLayerConsumer> createBufferLayerConsumer(const sp<IGraphicBufferConsumer>& consumer,
-                                                      renderengine::RenderEngine& renderEngine,
-                                                      uint32_t textureName, Layer* layer) override {
-        return new BufferLayerConsumer(consumer, renderEngine, textureName, layer);
-    }
-
     std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
             const sp<IGraphicBufferProducer>& producer) override {
         if (!mCreateNativeWindowSurface) return nullptr;
@@ -134,19 +119,9 @@
         return compositionengine::impl::createCompositionEngine();
     }
 
-    sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
+    sp<Layer> createBufferStateLayer(const LayerCreationArgs&) override { return nullptr; }
 
-    sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
-
-    sp<EffectLayer> createEffectLayer(const LayerCreationArgs&) override { return nullptr; }
-
-    sp<ContainerLayer> createContainerLayer(const LayerCreationArgs&) override {
-        return nullptr;
-    }
+    sp<Layer> createEffectLayer(const LayerCreationArgs&) override { return nullptr; }
 
     std::unique_ptr<FrameTracer> createFrameTracer() override {
         return std::make_unique<mock::FrameTracer>();
@@ -183,7 +158,6 @@
         if (!mFlinger) {
             mFlinger = sp<SurfaceFlinger>::make(mFactory, SurfaceFlinger::SkipInitialization);
         }
-        mFlinger->mAnimationTransactionTimeout = ms2ns(10);
     }
 
     SurfaceFlinger* flinger() { return mFlinger.get(); }
@@ -244,7 +218,7 @@
             configs = std::make_shared<scheduler::RefreshRateConfigs>(modes, kModeId60);
         }
 
-        const auto fps = configs->getActiveMode()->getFps();
+        const auto fps = FTL_FAKE_GUARD(kMainThreadContext, configs->getActiveMode().getFps());
         mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(fps);
         mFlinger->mVsyncModulator = sp<scheduler::VsyncModulator>::make(
                 mFlinger->mVsyncConfiguration->getCurrentConfigs());
@@ -310,7 +284,7 @@
                                        const sp<NativeHandle>& sidebandStream) {
         layer->mDrawingState.sidebandStream = sidebandStream;
         layer->mSidebandStream = sidebandStream;
-        layer->editCompositionState()->sidebandStream = sidebandStream;
+        layer->editLayerSnapshot()->sidebandStream = sidebandStream;
     }
 
     void setLayerCompositionType(const sp<Layer>& layer,
@@ -338,25 +312,29 @@
      * Forwarding for functions being tested
      */
 
-    nsecs_t commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVSyncTime) {
-        mFlinger->commit(frameTime, vsyncId, expectedVSyncTime);
+    void configure() { mFlinger->configure(); }
+
+    void configureAndCommit() {
+        configure();
+        commitTransactionsLocked(eDisplayTransactionNeeded);
+    }
+
+    TimePoint commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime) {
+        mFlinger->commit(frameTime, vsyncId, expectedVsyncTime);
         return frameTime;
     }
 
-    nsecs_t commit(nsecs_t frameTime, int64_t vsyncId) {
-        std::chrono::nanoseconds period = 10ms;
-        return commit(frameTime, vsyncId, frameTime + period.count());
+    TimePoint commit(TimePoint frameTime, VsyncId vsyncId) {
+        return commit(frameTime, vsyncId, frameTime + Period(10ms));
     }
 
-    nsecs_t commit() {
-        const nsecs_t now = systemTime();
-        const nsecs_t expectedVsyncTime = now + 10'000'000;
-        return commit(now, kVsyncId, expectedVsyncTime);
+    TimePoint commit() {
+        const TimePoint frameTime = scheduler::SchedulerClock::now();
+        return commit(frameTime, kVsyncId);
     }
 
-    void commitAndComposite(const nsecs_t frameTime, const int64_t vsyncId,
-                            const nsecs_t expectedVsyncTime) {
-        mFlinger->composite(commit(frameTime, vsyncId, expectedVsyncTime), kVsyncId);
+    void commitAndComposite(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime) {
+        mFlinger->composite(commit(frameTime, vsyncId, expectedVsyncTime), vsyncId);
     }
 
     void commitAndComposite() { mFlinger->composite(commit(), kVsyncId); }
@@ -386,9 +364,10 @@
                                                        dispSurface, producer);
     }
 
-    auto commitTransactionsLocked(uint32_t transactionFlags) {
+    void commitTransactionsLocked(uint32_t transactionFlags) {
         Mutex::Autolock lock(mFlinger->mStateLock);
-        return mFlinger->commitTransactionsLocked(transactionFlags);
+        ftl::FakeGuard guard(kMainThreadContext);
+        mFlinger->commitTransactionsLocked(transactionFlags);
     }
 
     void onComposerHalHotplug(hal::HWDisplayId hwcDisplayId, hal::Connection connection) {
@@ -438,9 +417,8 @@
         return mFlinger->SurfaceFlinger::getDisplayNativePrimaries(displayToken, primaries);
     }
 
-    auto& getTransactionQueue() { return mFlinger->mTransactionQueue; }
+    auto& getTransactionQueue() { return mFlinger->mLocklessTransactionQueue; }
     auto& getPendingTransactionQueue() { return mFlinger->mPendingTransactionQueues; }
-    auto& getTransactionCommittedSignals() { return mFlinger->mTransactionCommittedSignals; }
 
     auto setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& states,
@@ -454,13 +432,15 @@
                                              listenerCallbacks, transactionId);
     }
 
-    auto flushTransactionQueues() { return mFlinger->flushTransactionQueues(0); };
+    auto flushTransactionQueues() {
+        return FTL_FAKE_GUARD(kMainThreadContext, mFlinger->flushTransactionQueues(kVsyncId));
+    }
 
     auto onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
         return mFlinger->onTransact(code, data, reply, flags);
     }
 
-    auto getGPUContextPriority() { return mFlinger->getGPUContextPriority(); }
+    auto getGpuContextPriority() { return mFlinger->getGpuContextPriority(); }
 
     auto calculateMaxAcquiredBufferCount(Fps refreshRate,
                                          std::chrono::nanoseconds presentLatency) const {
@@ -479,6 +459,7 @@
 
     void onActiveDisplayChanged(const sp<DisplayDevice>& activeDisplay) {
         Mutex::Autolock lock(mFlinger->mStateLock);
+        ftl::FakeGuard guard(kMainThreadContext);
         mFlinger->onActiveDisplayChangedLocked(activeDisplay);
     }
 
@@ -494,50 +475,47 @@
         return mFlinger->mirrorLayer(args, mirrorFromHandle, outHandle, outLayerId);
     }
 
+    void updateLayerMetadataSnapshot() { mFlinger->updateLayerMetadataSnapshot(); }
+
     /* ------------------------------------------------------------------------
      * Read-only access to private data to assert post-conditions.
      */
 
-    const auto& getAnimFrameTracker() const { return mFlinger->mAnimFrameTracker; }
-    const auto& getHasPoweredOff() const { return mFlinger->mHasPoweredOff; }
     const auto& getVisibleRegionsDirty() const { return mFlinger->mVisibleRegionsDirty; }
     auto& getHwComposer() const {
         return static_cast<impl::HWComposer&>(mFlinger->getHwComposer());
     }
     auto& getCompositionEngine() const { return mFlinger->getCompositionEngine(); }
 
-    const auto& getCompositorTiming() const { return mFlinger->getBE().mCompositorTiming; }
-
     mock::FrameTracer* getFrameTracer() const {
         return static_cast<mock::FrameTracer*>(mFlinger->mFrameTracer.get());
     }
 
-    nsecs_t getAnimationTransactionTimeout() const {
-        return mFlinger->mAnimationTransactionTimeout;
-    }
-
     /* ------------------------------------------------------------------------
      * Read-write access to private data to set up preconditions and assert
      * post-conditions.
      */
 
     const auto& displays() const { return mFlinger->mDisplays; }
+    const auto& physicalDisplays() const { return mFlinger->mPhysicalDisplays; }
     const auto& currentState() const { return mFlinger->mCurrentState; }
     const auto& drawingState() const { return mFlinger->mDrawingState; }
     const auto& transactionFlags() const { return mFlinger->mTransactionFlags; }
-    const auto& hwcPhysicalDisplayIdMap() const { return getHwComposer().mPhysicalDisplayIdMap; }
 
-    auto& mutableHasWideColorDisplay() { return SurfaceFlinger::hasWideColorDisplay; }
+    const auto& hwcPhysicalDisplayIdMap() const { return getHwComposer().mPhysicalDisplayIdMap; }
+    const auto& hwcDisplayData() const { return getHwComposer().mDisplayData; }
+
+    auto& mutableSupportsWideColor() { return mFlinger->mSupportsWideColor; }
 
     auto& mutableCurrentState() { return mFlinger->mCurrentState; }
     auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
     auto& mutableDisplays() { return mFlinger->mDisplays; }
+    auto& mutablePhysicalDisplays() { return mFlinger->mPhysicalDisplays; }
     auto& mutableDrawingState() { return mFlinger->mDrawingState; }
     auto& mutableGeometryDirty() { return mFlinger->mGeometryDirty; }
     auto& mutableInterceptor() { return mFlinger->mInterceptor; }
     auto& mutableMainThreadId() { return mFlinger->mMainThreadId; }
     auto& mutablePendingHotplugEvents() { return mFlinger->mPendingHotplugEvents; }
-    auto& mutablePhysicalDisplayTokens() { return mFlinger->mPhysicalDisplayTokens; }
     auto& mutableTexturePool() { return mFlinger->mTexturePool; }
     auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
     auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
@@ -546,7 +524,7 @@
     auto& mutableHwcDisplayData() { return getHwComposer().mDisplayData; }
     auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
     auto& mutablePrimaryHwcDisplayId() { return getHwComposer().mPrimaryHwcDisplayId; }
-    auto& mutableActiveDisplayToken() { return mFlinger->mActiveDisplayToken; }
+    auto& mutableActiveDisplayId() { return mFlinger->mActiveDisplayId; }
 
     auto fromHandle(const sp<IBinder>& handle) {
         return mFlinger->fromHandle(handle);
@@ -740,16 +718,22 @@
                                   std::optional<ui::DisplayConnectionType> connectionType,
                                   std::optional<hal::HWDisplayId> hwcDisplayId, bool isPrimary)
               : mFlinger(flinger),
-                mCreationArgs(flinger.mFlinger.get(), flinger.mFlinger->getHwComposer(),
-                              mDisplayToken, display),
+                mCreationArgs(flinger.mFlinger, flinger.mFlinger->getHwComposer(), mDisplayToken,
+                              display),
+                mConnectionType(connectionType),
                 mHwcDisplayId(hwcDisplayId) {
-            mCreationArgs.connectionType = connectionType;
             mCreationArgs.isPrimary = isPrimary;
             mCreationArgs.initialPowerMode = hal::PowerMode::ON;
         }
 
         sp<IBinder> token() const { return mDisplayToken; }
 
+        auto physicalDisplay() const {
+            return ftl::Optional(mCreationArgs.compositionDisplay->getDisplayId())
+                    .and_then(&PhysicalDisplayId::tryCast)
+                    .and_then(display::getPhysicalDisplay(mFlinger.physicalDisplays()));
+        }
+
         DisplayDeviceState& mutableDrawingDisplayState() {
             return mFlinger.mutableDrawingState().displays.editValueFor(mDisplayToken);
         }
@@ -777,7 +761,7 @@
         // the `configs` parameter in favor of an alternative setRefreshRateConfigs API.
         auto& setDisplayModes(DisplayModes modes, DisplayModeId activeModeId,
                               std::shared_ptr<scheduler::RefreshRateConfigs> configs = nullptr) {
-            mCreationArgs.supportedModes = std::move(modes);
+            mDisplayModes = std::move(modes);
             mCreationArgs.activeModeId = activeModeId;
             mCreationArgs.refreshRateConfigs = std::move(configs);
             return *this;
@@ -823,7 +807,7 @@
         sp<DisplayDevice> inject() NO_THREAD_SAFETY_ANALYSIS {
             const auto displayId = mCreationArgs.compositionDisplay->getDisplayId();
 
-            auto& modes = mCreationArgs.supportedModes;
+            auto& modes = mDisplayModes;
             auto& activeModeId = mCreationArgs.activeModeId;
 
             if (displayId && !mCreationArgs.refreshRateConfigs) {
@@ -851,8 +835,13 @@
                 }
             }
 
+            sp<DisplayDevice> display = sp<DisplayDevice>::make(mCreationArgs);
+            mFlinger.mutableDisplays().emplace_or_replace(mDisplayToken, display);
+
             DisplayDeviceState state;
-            if (const auto type = mCreationArgs.connectionType) {
+            state.isSecure = mCreationArgs.isSecure;
+
+            if (mConnectionType) {
                 LOG_ALWAYS_FATAL_IF(!displayId);
                 const auto physicalId = PhysicalDisplayId::tryCast(*displayId);
                 LOG_ALWAYS_FATAL_IF(!physicalId);
@@ -862,41 +851,35 @@
                 LOG_ALWAYS_FATAL_IF(!activeMode);
 
                 state.physical = {.id = *physicalId,
-                                  .type = *type,
                                   .hwcDisplayId = *mHwcDisplayId,
-                                  .deviceProductInfo = {},
-                                  .supportedModes = modes,
                                   .activeMode = activeMode->get()};
-            }
 
-            state.isSecure = mCreationArgs.isSecure;
+                const auto it = mFlinger.mutablePhysicalDisplays()
+                                        .emplace_or_replace(*physicalId, mDisplayToken, *physicalId,
+                                                            *mConnectionType, std::move(modes),
+                                                            ui::ColorModes(), std::nullopt)
+                                        .first;
 
-            sp<DisplayDevice> display = sp<DisplayDevice>::make(mCreationArgs);
-            if (!display->isVirtual()) {
-                display->setActiveMode(activeModeId);
+                display->setActiveMode(activeModeId, it->second.snapshot());
             }
-            mFlinger.mutableDisplays().emplace_or_replace(mDisplayToken, display);
 
             mFlinger.mutableCurrentState().displays.add(mDisplayToken, state);
             mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);
 
-            if (const auto& physical = state.physical) {
-                mFlinger.mutablePhysicalDisplayTokens().emplace_or_replace(physical->id,
-                                                                           mDisplayToken);
-            }
-
             return display;
         }
 
     private:
         TestableSurfaceFlinger& mFlinger;
-        sp<BBinder> mDisplayToken = new BBinder();
+        sp<BBinder> mDisplayToken = sp<BBinder>::make();
         DisplayDeviceCreationArgs mCreationArgs;
+        DisplayModes mDisplayModes;
+        const std::optional<ui::DisplayConnectionType> mConnectionType;
         const std::optional<hal::HWDisplayId> mHwcDisplayId;
     };
 
 private:
-    constexpr static int64_t kVsyncId = 123;
+    static constexpr VsyncId kVsyncId{123};
 
     surfaceflinger::test::Factory mFactory;
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp b/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
index ded7531..b4030b3 100644
--- a/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionApplicationTest.cpp
@@ -37,7 +37,7 @@
 using testing::Return;
 
 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
-
+constexpr nsecs_t TRANSACTION_TIMEOUT = s2ns(5);
 class TransactionApplicationTest : public testing::Test {
 public:
     TransactionApplicationTest() {
@@ -60,13 +60,15 @@
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*mVSyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
         EXPECT_CALL(*mVSyncTracker, currentPeriod())
@@ -107,22 +109,20 @@
         EXPECT_EQ(info.desiredPresentTime, state.desiredPresentTime);
     }
 
-    void setupSingle(TransactionInfo& transaction, uint32_t flags, bool syncInputWindows,
-                     int64_t desiredPresentTime, bool isAutoTimestamp,
-                     const FrameTimelineInfo& frameTimelineInfo) {
+    void setupSingle(TransactionInfo& transaction, uint32_t flags, int64_t desiredPresentTime,
+                     bool isAutoTimestamp, const FrameTimelineInfo& frameTimelineInfo) {
         mTransactionNumber++;
-        transaction.flags |= flags; // ISurfaceComposer::eSynchronous;
-        transaction.inputWindowCommands.syncInputWindows = syncInputWindows;
+        transaction.flags |= flags;
         transaction.desiredPresentTime = desiredPresentTime;
         transaction.isAutoTimestamp = isAutoTimestamp;
         transaction.frameTimelineInfo = frameTimelineInfo;
     }
 
-    void NotPlacedOnTransactionQueue(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void NotPlacedOnTransactionQueue(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
         TransactionInfo transaction;
-        setupSingle(transaction, flags, syncInputWindows,
+        setupSingle(transaction, flags,
                     /*desiredPresentTime*/ systemTime(), /*isAutoTimestamp*/ true,
                     FrameTimelineInfo{});
         nsecs_t applicationTime = systemTime();
@@ -133,31 +133,25 @@
                                      transaction.uncacheBuffer, mHasListenerCallbacks, mCallbacks,
                                      transaction.id);
 
-        // If transaction is synchronous or syncs input windows, SF
-        // applyTransactionState should time out (5s) wating for SF to commit
-        // the transaction or to receive a signal that syncInputWindows has
-        // completed.  If this is animation, it should not time out waiting.
+        // If transaction is synchronous, SF applyTransactionState should time out (5s) wating for
+        // SF to commit the transaction. If this is animation, it should not time out waiting.
         nsecs_t returnedTime = systemTime();
-        if (flags & ISurfaceComposer::eSynchronous || syncInputWindows) {
-            EXPECT_GE(returnedTime, applicationTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(returnedTime, applicationTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(returnedTime, applicationTime + TRANSACTION_TIMEOUT);
         // Each transaction should have been placed on the transaction queue
-        auto transactionQueue = mFlinger.getTransactionQueue();
-        EXPECT_EQ(1u, transactionQueue.size());
+        auto& transactionQueue = mFlinger.getTransactionQueue();
+        EXPECT_FALSE(transactionQueue.isEmpty());
     }
 
-    void PlaceOnTransactionQueue(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void PlaceOnTransactionQueue(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
         // first check will see desired present time has not passed,
         // but afterwards it will look like the desired present time has passed
         nsecs_t time = systemTime();
         TransactionInfo transaction;
-        setupSingle(transaction, flags, syncInputWindows,
-                    /*desiredPresentTime*/ time + s2ns(1), false, FrameTimelineInfo{});
+        setupSingle(transaction, flags, /*desiredPresentTime*/ time + s2ns(1), false,
+                    FrameTimelineInfo{});
         nsecs_t applicationSentTime = systemTime();
         mFlinger.setTransactionState(transaction.frameTimelineInfo, transaction.states,
                                      transaction.displays, transaction.flags,
@@ -167,37 +161,27 @@
                                      transaction.id);
 
         nsecs_t returnedTime = systemTime();
-        if ((flags & ISurfaceComposer::eSynchronous) || syncInputWindows) {
-            EXPECT_GE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(returnedTime,
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(returnedTime, applicationSentTime + TRANSACTION_TIMEOUT);
         // This transaction should have been placed on the transaction queue
-        auto transactionQueue = mFlinger.getTransactionQueue();
-        EXPECT_EQ(1u, transactionQueue.size());
+        auto& transactionQueue = mFlinger.getTransactionQueue();
+        EXPECT_FALSE(transactionQueue.isEmpty());
     }
 
-    void BlockedByPriorTransaction(uint32_t flags, bool syncInputWindows) {
-        ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+    void BlockedByPriorTransaction(uint32_t flags) {
+        ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         nsecs_t time = systemTime();
-        if (!syncInputWindows) {
-            EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(2);
-        } else {
-            EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
-        }
+        EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(2);
+
         // transaction that should go on the pending thread
         TransactionInfo transactionA;
-        setupSingle(transactionA, /*flags*/ 0, /*syncInputWindows*/ false,
-                    /*desiredPresentTime*/ time + s2ns(1), false, FrameTimelineInfo{});
+        setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ time + s2ns(1), false,
+                    FrameTimelineInfo{});
 
         // transaction that would not have gone on the pending thread if not
         // blocked
         TransactionInfo transactionB;
-        setupSingle(transactionB, flags, syncInputWindows,
-                    /*desiredPresentTime*/ systemTime(), /*isAutoTimestamp*/ true,
-                    FrameTimelineInfo{});
+        setupSingle(transactionB, flags, /*desiredPresentTime*/ systemTime(),
+                    /*isAutoTimestamp*/ true, FrameTimelineInfo{});
 
         nsecs_t applicationSentTime = systemTime();
         mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
@@ -210,7 +194,7 @@
         // This thread should not have been blocked by the above transaction
         // (5s is the timeout period that applyTransactionState waits for SF to
         // commit the transaction)
-        EXPECT_LE(systemTime(), applicationSentTime + mFlinger.getAnimationTransactionTimeout());
+        EXPECT_LE(systemTime(), applicationSentTime + TRANSACTION_TIMEOUT);
         // transaction that would goes to pending transaciton queue.
         mFlinger.flushTransactionQueues();
 
@@ -226,14 +210,7 @@
         // if this is an animation, this thread should be blocked for 5s
         // in setTransactionState waiting for transactionA to flush.  Otherwise,
         // the transaction should be placed on the pending queue
-        if (flags & (ISurfaceComposer::eSynchronous) ||
-            syncInputWindows) {
-            EXPECT_GE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        } else {
-            EXPECT_LE(systemTime(),
-                      applicationSentTime + mFlinger.getAnimationTransactionTimeout());
-        }
+        EXPECT_LE(systemTime(), applicationSentTime + TRANSACTION_TIMEOUT);
 
         // transaction that would goes to pending transaciton queue.
         mFlinger.flushTransactionQueues();
@@ -248,13 +225,13 @@
     int mTransactionNumber = 0;
 };
 
-TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
-    ASSERT_EQ(0u, mFlinger.getTransactionQueue().size());
+TEST_F(TransactionApplicationTest, AddToPendingQueue) {
+    ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
     EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
 
     TransactionInfo transactionA; // transaction to go on pending queue
-    setupSingle(transactionA, /*flags*/ 0, /*syncInputWindows*/ false,
-                /*desiredPresentTime*/ s2ns(1), false, FrameTimelineInfo{});
+    setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ s2ns(1), false,
+                FrameTimelineInfo{});
     mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
                                  transactionA.displays, transactionA.flags, transactionA.applyToken,
                                  transactionA.inputWindowCommands, transactionA.desiredPresentTime,
@@ -262,10 +239,27 @@
                                  mHasListenerCallbacks, mCallbacks, transactionA.id);
 
     auto& transactionQueue = mFlinger.getTransactionQueue();
-    ASSERT_EQ(1u, transactionQueue.size());
+    ASSERT_FALSE(transactionQueue.isEmpty());
 
-    auto& transactionState = transactionQueue.front();
+    auto transactionState = transactionQueue.pop().value();
     checkEqual(transactionA, transactionState);
+}
+
+TEST_F(TransactionApplicationTest, Flush_RemovesFromQueue) {
+    ASSERT_TRUE(mFlinger.getTransactionQueue().isEmpty());
+    EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
+
+    TransactionInfo transactionA; // transaction to go on pending queue
+    setupSingle(transactionA, /*flags*/ 0, /*desiredPresentTime*/ s2ns(1), false,
+                FrameTimelineInfo{});
+    mFlinger.setTransactionState(transactionA.frameTimelineInfo, transactionA.states,
+                                 transactionA.displays, transactionA.flags, transactionA.applyToken,
+                                 transactionA.inputWindowCommands, transactionA.desiredPresentTime,
+                                 transactionA.isAutoTimestamp, transactionA.uncacheBuffer,
+                                 mHasListenerCallbacks, mCallbacks, transactionA.id);
+
+    auto& transactionQueue = mFlinger.getTransactionQueue();
+    ASSERT_FALSE(transactionQueue.isEmpty());
 
     // because flushing uses the cached expected present time, we send an empty
     // transaction here (sending a null applyToken to fake it as from a
@@ -281,35 +275,15 @@
     // passed
     mFlinger.flushTransactionQueues();
 
-    EXPECT_EQ(0u, transactionQueue.size());
-}
-
-TEST_F(TransactionApplicationTest, NotPlacedOnTransactionQueue_Synchronous) {
-    NotPlacedOnTransactionQueue(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
+    EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
 }
 
 TEST_F(TransactionApplicationTest, NotPlacedOnTransactionQueue_SyncInputWindows) {
-    NotPlacedOnTransactionQueue(/*flags*/ 0, /*syncInputWindows*/ true);
-}
-
-TEST_F(TransactionApplicationTest, PlaceOnTransactionQueue_Synchronous) {
-    PlaceOnTransactionQueue(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
+    NotPlacedOnTransactionQueue(/*flags*/ 0);
 }
 
 TEST_F(TransactionApplicationTest, PlaceOnTransactionQueue_SyncInputWindows) {
-    PlaceOnTransactionQueue(/*flags*/ 0, /*syncInputWindows*/ true);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_Synchronous) {
-    BlockedByPriorTransaction(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_Animation) {
-    BlockedByPriorTransaction(ISurfaceComposer::eSynchronous, /*syncInputWindows*/ false);
-}
-
-TEST_F(TransactionApplicationTest, BlockWithPriorTransaction_SyncInputWindows) {
-    BlockedByPriorTransaction(/*flags*/ 0, /*syncInputWindows*/ true);
+    PlaceOnTransactionQueue(/*flags*/ 0);
 }
 
 TEST_F(TransactionApplicationTest, FromHandle) {
@@ -323,9 +297,10 @@
     void TearDown() override {
         // Clear all transaction queues to release all transactions we sent
         // in the tests. Otherwise, gmock complains about memory leaks.
-        mFlinger.getTransactionQueue().clear();
+        while (!mFlinger.getTransactionQueue().isEmpty()) {
+            mFlinger.getTransactionQueue().pop();
+        }
         mFlinger.getPendingTransactionQueue().clear();
-        mFlinger.getTransactionCommittedSignals().clear();
         mFlinger.commitTransactionsLocked(eTransactionMask);
         mFlinger.mutableCurrentState().layersSortedByZ.clear();
         mFlinger.mutableDrawingState().layersSortedByZ.clear();
@@ -343,8 +318,7 @@
         state.state.bufferData->acquireFence = std::move(fence);
         state.state.layerId = layerId;
         state.state.surface =
-                sp<BufferStateLayer>::make(
-                        LayerCreationArgs(mFlinger.flinger(), nullptr, "TestLayer", 0, {}))
+                sp<Layer>::make(LayerCreationArgs(mFlinger.flinger(), nullptr, "TestLayer", 0, {}))
                         ->getHandle();
         state.state.bufferData->flags = BufferData::BufferDataChange::fenceChanged;
 
@@ -358,14 +332,12 @@
     TransactionInfo createTransactionInfo(const sp<IBinder>& applyToken,
                                           const std::vector<ComposerState>& states) {
         TransactionInfo transaction;
-        const uint32_t kFlags = ISurfaceComposer::eSynchronous;
-        const bool kSyncInputWindows = false;
+        const uint32_t kFlags = 0;
         const nsecs_t kDesiredPresentTime = systemTime();
         const bool kIsAutoTimestamp = true;
         const auto kFrameTimelineInfo = FrameTimelineInfo{};
 
-        setupSingle(transaction, kFlags, kSyncInputWindows, kDesiredPresentTime, kIsAutoTimestamp,
-                    kFrameTimelineInfo);
+        setupSingle(transaction, kFlags, kDesiredPresentTime, kIsAutoTimestamp, kFrameTimelineInfo);
         transaction.applyToken = applyToken;
         for (const auto& state : states) {
             transaction.states.push_back(state);
@@ -375,9 +347,8 @@
     }
 
     void setTransactionStates(const std::vector<TransactionInfo>& transactions,
-                              size_t expectedTransactionsApplied,
                               size_t expectedTransactionsPending) {
-        EXPECT_EQ(0u, mFlinger.getTransactionQueue().size());
+        EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_EQ(0u, mFlinger.getPendingTransactionQueue().size());
 
         for (const auto& transaction : transactions) {
@@ -389,9 +360,8 @@
                                          mHasListenerCallbacks, mCallbacks, transaction.id);
         }
         mFlinger.flushTransactionQueues();
-        EXPECT_EQ(0u, mFlinger.getTransactionQueue().size());
+        EXPECT_TRUE(mFlinger.getTransactionQueue().isEmpty());
         EXPECT_EQ(expectedTransactionsPending, mFlinger.getPendingTransactionQueue().size());
-        EXPECT_EQ(expectedTransactionsApplied, mFlinger.getTransactionCommittedSignals().size());
     }
 };
 
@@ -407,22 +377,19 @@
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSingleUnSignaledFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -432,15 +399,13 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBufferCropChange) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -450,15 +415,13 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eCropChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsUnSignaledInTheQueue_NonBufferChangeClubed) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -470,15 +433,13 @@
                                                                       layer_state_t::
                                                                               eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueueSameApplyTokenMultiState) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto mixedTransaction =
@@ -491,8 +452,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsInTheQueue_MultipleStateTransaction) {
@@ -500,7 +460,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto mixedTransaction =
@@ -513,8 +472,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_RemovesSignaledFromTheQueue) {
@@ -522,7 +480,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -539,8 +496,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest,
@@ -551,7 +507,6 @@
     const sp<IBinder> kApplyToken3 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -578,7 +533,7 @@
                                   });
 
     setTransactionStates({unsignaledTransaction, signaledTransaction, signaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, UnsignaledNotAppliedWhenThereAreSignaled_SignaledFirst) {
@@ -588,7 +543,6 @@
     const sp<IBinder> kApplyToken3 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto signaledTransaction =
@@ -614,7 +568,7 @@
                                   });
 
     setTransactionStates({signaledTransaction, signaledTransaction2, unsignaledTransaction},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, Flush_KeepsTransactionInTheQueueSameApplyToken) {
@@ -622,7 +576,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -639,7 +592,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -649,7 +602,6 @@
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -667,14 +619,13 @@
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAutoSingleLayerTest, DontLatchUnsignaledWhenEarlyOffset) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -688,8 +639,7 @@
     // Get VsyncModulator out of the default config
     static_cast<void>(mFlinger.mutableVsyncModulator()->onRefreshRateChangeInitiated());
 
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 class LatchUnsignaledDisabledTest : public LatchUnsignaledTest {
@@ -704,22 +654,19 @@
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -729,15 +676,13 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueSameLayerId) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -750,8 +695,7 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepsInTheQueueDifferentLayerId) {
@@ -759,7 +703,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -772,8 +715,7 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_RemovesSignaledFromTheQueue_MultipleLayers) {
@@ -781,7 +723,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -798,8 +739,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledDisabledTest, Flush_KeepInTheQueueDifferentApplyToken) {
@@ -808,7 +748,6 @@
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -825,7 +764,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -834,7 +773,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto signaledTransaction =
@@ -851,7 +789,7 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, unsignaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({signaledTransaction, unsignaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -860,7 +798,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 0u;
     const auto kExpectedTransactionsPending = 1u;
 
     const auto unsignaledTransaction =
@@ -878,7 +815,7 @@
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 class LatchUnsignaledAlwaysTest : public LatchUnsignaledTest {
@@ -893,37 +830,32 @@
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({signaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueue) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
             createTransactionInfo(kApplyToken,
                                   {createComposerState(kLayerId, fence(Fence::Status::Unsignaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueSameLayerId) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto mixedTransaction =
@@ -932,8 +864,7 @@
                                                        layer_state_t::eBufferChanged),
                                    createComposerState(kLayerId, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentLayerId) {
@@ -941,7 +872,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto mixedTransaction =
@@ -950,8 +880,7 @@
                                                        layer_state_t::eBufferChanged),
                                    createComposerState(kLayerId2, fence(Fence::Status::Signaled),
                                                        layer_state_t::eBufferChanged)});
-    setTransactionStates({mixedTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({mixedTransaction}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesSignaledFromTheQueue_MultipleLayers) {
@@ -959,7 +888,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -976,8 +904,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({signaledTransaction, signaledTransaction2}, kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, Flush_RemovesFromTheQueueDifferentApplyToken) {
@@ -986,7 +913,6 @@
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto signaledTransaction =
@@ -1003,7 +929,7 @@
                                                               fence(Fence::Status::Unsignaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({signaledTransaction, unsignaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({signaledTransaction, unsignaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -1012,7 +938,6 @@
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1029,7 +954,7 @@
                                                               fence(Fence::Status::Signaled),
                                                               layer_state_t::eBufferChanged),
                                   });
-    setTransactionStates({unsignaledTransaction, signaledTransaction}, kExpectedTransactionsApplied,
+    setTransactionStates({unsignaledTransaction, signaledTransaction},
                          kExpectedTransactionsPending);
 }
 
@@ -1039,7 +964,6 @@
     const sp<IBinder> kApplyToken2 = sp<BBinder>::make();
     const auto kLayerId1 = 1;
     const auto kLayerId2 = 2;
-    const auto kExpectedTransactionsApplied = 2u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1057,14 +981,13 @@
                                                               layer_state_t::eBufferChanged),
                                   });
     setTransactionStates({unsignaledTransaction, unsignaledTransaction2},
-                         kExpectedTransactionsApplied, kExpectedTransactionsPending);
+                         kExpectedTransactionsPending);
 }
 
 TEST_F(LatchUnsignaledAlwaysTest, LatchUnsignaledWhenEarlyOffset) {
     const sp<IBinder> kApplyToken =
             IInterface::asBinder(TransactionCompletedListener::getIInstance());
     const auto kLayerId = 1;
-    const auto kExpectedTransactionsApplied = 1u;
     const auto kExpectedTransactionsPending = 0u;
 
     const auto unsignaledTransaction =
@@ -1078,8 +1001,7 @@
     // Get VsyncModulator out of the default config
     static_cast<void>(mFlinger.mutableVsyncModulator()->onRefreshRateChangeInitiated());
 
-    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsApplied,
-                         kExpectedTransactionsPending);
+    setTransactionStates({unsignaledTransaction}, kExpectedTransactionsPending);
 }
 
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
index 5364630..1173d1c 100644
--- a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
@@ -56,11 +56,11 @@
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
         LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
                                LayerMetadata());
-        return new BufferStateLayer(args);
+        return sp<Layer>::make(args);
     }
 
     void commitTransaction(Layer* layer) {
@@ -74,13 +74,15 @@
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -99,9 +101,9 @@
     FenceToFenceTimeMap fenceFactory;
 
     void BLASTTransactionSendsFrameTracerEvents() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         int32_t layerId = layer->getSequence();
         uint64_t bufferId = 42;
         uint64_t frameNumber = 5;
@@ -127,7 +129,6 @@
                          dequeueTime, FrameTimelineInfo{});
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
         nsecs_t latchTime = 25;
         EXPECT_CALL(*mFlinger.getFrameTracer(),
                     traceFence(layerId, bufferId, frameNumber, _,
@@ -135,7 +136,7 @@
         EXPECT_CALL(*mFlinger.getFrameTracer(),
                     traceTimestamp(layerId, bufferId, frameNumber, latchTime,
                                    FrameTracer::FrameEvent::LATCH, /*duration*/ 0));
-        layer->updateTexImage(computeVisisbleRegions, latchTime, /*expectedPresentTime*/ 0);
+        layer->updateTexImage(latchTime);
 
         auto glDoneFence = fenceFactory.createFenceTimeForTest(fence);
         auto presentFence = fenceFactory.createFenceTimeForTest(fence);
diff --git a/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp b/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
index f5e3b77..1f011be 100644
--- a/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionProtoParserTest.cpp
@@ -27,8 +27,8 @@
 namespace android {
 
 TEST(TransactionProtoParserTest, parse) {
-    const sp<IBinder> layerHandle = new BBinder();
-    const sp<IBinder> displayHandle = new BBinder();
+    const sp<IBinder> layerHandle = sp<BBinder>::make();
+    const sp<IBinder> displayHandle = sp<BBinder>::make();
     TransactionState t1;
     t1.originPid = 1;
     t1.originUid = 2;
@@ -49,8 +49,7 @@
         ComposerState s;
         if (i == 1) {
             layer.parentSurfaceControlForChild =
-                    new SurfaceControl(SurfaceComposerClient::getDefault(), layerHandle, nullptr,
-                                       42);
+                    sp<SurfaceControl>::make(SurfaceComposerClient::getDefault(), layerHandle, 42);
         }
         s.state = layer;
         t1.states.add(s);
diff --git a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
index 5bb4c92..ae03db4 100644
--- a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
@@ -56,11 +56,10 @@
         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
     }
 
-    sp<BufferStateLayer> createBufferStateLayer() {
+    sp<Layer> createLayer() {
         sp<Client> client;
-        LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 0,
-                               LayerMetadata());
-        return new BufferStateLayer(args);
+        LayerCreationArgs args(mFlinger.flinger(), client, "layer", 0, LayerMetadata());
+        return sp<Layer>::make(args);
     }
 
     void commitTransaction(Layer* layer) {
@@ -74,13 +73,15 @@
 
         EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
         EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                           ResyncCallback())));
+                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                                 mock::EventThread::kCallingUid,
+                                                                 ResyncCallback())));
 
         auto vsyncController = std::make_unique<mock::VsyncController>();
         auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
@@ -99,9 +100,11 @@
     FenceToFenceTimeMap fenceFactory;
 
     void PresentedSurfaceFrameForBufferlessTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_TRUE(layer->mDrawingState.bufferSurfaceFrameTX == nullptr);
         const auto surfaceFrame = layer->mDrawingState.bufferlessSurfaceFramesTX.at(/*token*/ 1);
@@ -112,8 +115,8 @@
     }
 
     void PresentedSurfaceFrameForBufferTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        sp<Fence> fence(new Fence());
+        sp<Layer> layer = createLayer();
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -125,8 +128,10 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence->signalForTest(12);
 
         commitTransaction(layer.get());
@@ -136,8 +141,7 @@
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, surfaceFrame->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, surfaceFrame->getToken());
         EXPECT_EQ(true, surfaceFrame->getIsBuffer());
@@ -145,9 +149,9 @@
     }
 
     void DroppedSurfaceFrameForBufferTransaction() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -159,13 +163,15 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         nsecs_t start = systemTime();
         bufferData.acquireFence = fence2;
@@ -177,8 +183,7 @@
                                                          2ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfo);
         nsecs_t end = systemTime();
         acquireFence2->signalForTest(12);
 
@@ -187,8 +192,7 @@
         const auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, droppedSurfaceFrame->getToken());
         EXPECT_EQ(true, droppedSurfaceFrame->getIsBuffer());
@@ -203,15 +207,17 @@
     }
 
     void BufferlessSurfaceFramePromotedToBufferSurfaceFrame() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
 
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -223,8 +229,7 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence->signalForTest(12);
 
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
@@ -237,15 +242,14 @@
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, surfaceFrame->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(PresentState::Presented, surfaceFrame->getPresentState());
     }
 
     void BufferlessSurfaceFrameNotCreatedIfBufferSufaceFrameExists() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        sp<Fence> fence(new Fence());
+        sp<Layer> layer = createLayer();
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -257,33 +261,38 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
     }
 
     void MultipleSurfaceFramesPresentedTogether() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 1, /*inputEventId*/ 0},
-                                                             10);
+        sp<Layer> layer = createLayer();
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo, 10);
         EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferlessSurfaceFrame1 =
                 layer->mDrawingState.bufferlessSurfaceFramesTX.at(/*token*/ 1);
 
-        layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 4, /*inputEventId*/ 0},
-                                                             10);
+        FrameTimelineInfo ftInfo2;
+        ftInfo2.vsyncId = 4;
+        ftInfo2.inputEventId = 0;
+        layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo2, 10);
         EXPECT_EQ(2u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_EQ(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferlessSurfaceFrame2 = layer->mDrawingState.bufferlessSurfaceFramesTX[4];
 
-        sp<Fence> fence(new Fence());
+        sp<Fence> fence(sp<Fence>::make());
         auto acquireFence = fenceFactory.createFenceTimeForTest(fence);
         BufferData bufferData;
         bufferData.acquireFence = fence;
@@ -295,8 +304,10 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 3, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo3;
+        ftInfo3.vsyncId = 3;
+        ftInfo3.inputEventId = 0;
+        layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo3);
         EXPECT_EQ(2u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto bufferSurfaceFrameTX = layer->mDrawingState.bufferSurfaceFrameTX;
@@ -318,16 +329,15 @@
         // Buffers are presented only at latch time.
         EXPECT_EQ(PresentState::Unknown, bufferSurfaceFrameTX->getPresentState());
 
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(PresentState::Presented, bufferSurfaceFrameTX->getPresentState());
     }
 
     void PendingSurfaceFramesRemovedAfterClassification() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -339,12 +349,14 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         bufferData.acquireFence = fence2;
         bufferData.frameNumber = 1;
@@ -355,16 +367,14 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfo);
         acquireFence2->signalForTest(12);
 
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         // Both the droppedSurfaceFrame and presentedSurfaceFrame should be in
         // pendingJankClassifications.
@@ -377,9 +387,9 @@
     }
 
     void BufferSurfaceFrame_ReplaceValidTokenBufferWithInvalidTokenBuffer() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
 
-        sp<Fence> fence1(new Fence());
+        sp<Fence> fence1(sp<Fence>::make());
         auto acquireFence1 = fenceFactory.createFenceTimeForTest(fence1);
         BufferData bufferData;
         bufferData.acquireFence = fence1;
@@ -391,13 +401,15 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 1, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo;
+        ftInfo.vsyncId = 1;
+        ftInfo.inputEventId = 0;
+        layer->setBuffer(externalTexture1, bufferData, 10, 20, false, std::nullopt, ftInfo);
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame1 = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence2(new Fence());
+        sp<Fence> fence2(sp<Fence>::make());
         auto acquireFence2 = fenceFactory.createFenceTimeForTest(fence2);
         auto dropStartTime1 = systemTime();
         bufferData.acquireFence = fence2;
@@ -409,14 +421,16 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ FrameTimelineInfo::INVALID_VSYNC_ID, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfoInv;
+        ftInfoInv.vsyncId = FrameTimelineInfo::INVALID_VSYNC_ID;
+        ftInfoInv.inputEventId = 0;
+        layer->setBuffer(externalTexture2, bufferData, 10, 20, false, std::nullopt, ftInfoInv);
         auto dropEndTime1 = systemTime();
         EXPECT_EQ(0u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
         ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
         const auto droppedSurfaceFrame2 = layer->mDrawingState.bufferSurfaceFrameTX;
 
-        sp<Fence> fence3(new Fence());
+        sp<Fence> fence3(sp<Fence>::make());
         auto acquireFence3 = fenceFactory.createFenceTimeForTest(fence3);
         auto dropStartTime2 = systemTime();
         bufferData.acquireFence = fence3;
@@ -428,8 +442,10 @@
                                                          1ULL /* bufferId */,
                                                          HAL_PIXEL_FORMAT_RGBA_8888,
                                                          0ULL /*usage*/);
-        layer->setBuffer(externalTexture3, bufferData, 10, 20, false, std::nullopt,
-                         {/*vsyncId*/ 2, /*inputEventId*/ 0});
+        FrameTimelineInfo ftInfo2;
+        ftInfo2.vsyncId = 2;
+        ftInfo2.inputEventId = 0;
+        layer->setBuffer(externalTexture3, bufferData, 10, 20, false, std::nullopt, ftInfo2);
         auto dropEndTime2 = systemTime();
         acquireFence3->signalForTest(12);
 
@@ -438,8 +454,7 @@
         const auto presentedSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
 
         commitTransaction(layer.get());
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
 
         EXPECT_EQ(1, droppedSurfaceFrame1->getToken());
         EXPECT_EQ(true, droppedSurfaceFrame1->getIsBuffer());
@@ -461,11 +476,11 @@
     }
 
     void MultipleCommitsBeforeLatch() {
-        sp<BufferStateLayer> layer = createBufferStateLayer();
+        sp<Layer> layer = createLayer();
         uint32_t surfaceFramesPendingClassification = 0;
         std::vector<std::shared_ptr<frametimeline::SurfaceFrame>> bufferlessSurfaceFrames;
         for (int i = 0; i < 10; i += 2) {
-            sp<Fence> fence(new Fence());
+            sp<Fence> fence(sp<Fence>::make());
             BufferData bufferData;
             bufferData.acquireFence = fence;
             bufferData.frameNumber = 1;
@@ -476,11 +491,14 @@
                                                              1ULL /* bufferId */,
                                                              HAL_PIXEL_FORMAT_RGBA_8888,
                                                              0ULL /*usage*/);
-            layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt,
-                             {/*vsyncId*/ 1, /*inputEventId*/ 0});
-            layer->setFrameTimelineVsyncForBufferlessTransaction({/*vsyncId*/ 2,
-                                                                  /*inputEventId*/ 0},
-                                                                 10);
+            FrameTimelineInfo ftInfo;
+            ftInfo.vsyncId = 1;
+            ftInfo.inputEventId = 0;
+            layer->setBuffer(externalTexture, bufferData, 10, 20, false, std::nullopt, ftInfo);
+            FrameTimelineInfo ftInfo2;
+            ftInfo2.vsyncId = 2;
+            ftInfo2.inputEventId = 0;
+            layer->setFrameTimelineVsyncForBufferlessTransaction(ftInfo2, 10);
             ASSERT_NE(nullptr, layer->mDrawingState.bufferSurfaceFrameTX);
             EXPECT_EQ(1u, layer->mDrawingState.bufferlessSurfaceFramesTX.size());
             auto& bufferlessSurfaceFrame =
@@ -494,8 +512,7 @@
         }
 
         auto presentedBufferSurfaceFrame = layer->mDrawingState.bufferSurfaceFrameTX;
-        bool computeVisisbleRegions;
-        layer->updateTexImage(computeVisisbleRegions, 15, 0);
+        layer->updateTexImage(15);
         // BufferlessSurfaceFrames are immediately set to presented and added to the DisplayFrame.
         // Since we don't have access to DisplayFrame here, trigger an onPresent directly.
         for (auto& surfaceFrame : bufferlessSurfaceFrames) {
diff --git a/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp b/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
index 61b72a0..2dbcfbd 100644
--- a/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionTracingTest.cpp
@@ -101,10 +101,10 @@
     void SetUp() override {
         // add layers
         mTracing.setBufferSize(SMALL_BUFFER_SIZE);
-        const sp<IBinder> fakeLayerHandle = new BBinder();
+        const sp<IBinder> fakeLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeLayerHandle->localBinder(), mParentLayerId, "parent",
                               123 /* flags */, -1 /* parentId */);
-        const sp<IBinder> fakeChildLayerHandle = new BBinder();
+        const sp<IBinder> fakeChildLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeChildLayerHandle->localBinder(), mChildLayerId, "child",
                               456 /* flags */, mParentLayerId);
 
@@ -127,6 +127,8 @@
             std::vector<TransactionState> transactions;
             transactions.emplace_back(transaction);
             VSYNC_ID_FIRST_LAYER_CHANGE = ++mVsyncId;
+            mTracing.onLayerAddedToDrawingState(mParentLayerId, VSYNC_ID_FIRST_LAYER_CHANGE);
+            mTracing.onLayerAddedToDrawingState(mChildLayerId, VSYNC_ID_FIRST_LAYER_CHANGE);
             mTracing.addCommittedTransactions(transactions, VSYNC_ID_FIRST_LAYER_CHANGE);
             flush(VSYNC_ID_FIRST_LAYER_CHANGE);
         }
@@ -232,12 +234,14 @@
     void SetUp() override {
         // add layers
         mTracing.setBufferSize(SMALL_BUFFER_SIZE);
-        const sp<IBinder> fakeLayerHandle = new BBinder();
+        const sp<IBinder> fakeLayerHandle = sp<BBinder>::make();
         mTracing.onLayerAdded(fakeLayerHandle->localBinder(), mLayerId, "Test Layer",
                               123 /* flags */, -1 /* parentId */);
-        const sp<IBinder> fakeMirrorLayerHandle = new BBinder();
+        const sp<IBinder> fakeMirrorLayerHandle = sp<BBinder>::make();
         mTracing.onMirrorLayerAdded(fakeMirrorLayerHandle->localBinder(), mMirrorLayerId, "Mirror",
                                     mLayerId);
+        mTracing.onLayerAddedToDrawingState(mLayerId, mVsyncId);
+        mTracing.onLayerAddedToDrawingState(mMirrorLayerId, mVsyncId);
 
         // add some layer transaction
         {
@@ -257,7 +261,7 @@
 
             std::vector<TransactionState> transactions;
             transactions.emplace_back(transaction);
-            mTracing.addCommittedTransactions(transactions, ++mVsyncId);
+            mTracing.addCommittedTransactions(transactions, mVsyncId);
             flush(mVsyncId);
         }
     }
diff --git a/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp b/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
index 15fea9c..da87f1d 100644
--- a/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TunnelModeEnabledReporterTest.cpp
@@ -22,7 +22,6 @@
 #include <gtest/gtest.h>
 #include <gui/LayerMetadata.h>
 
-#include "BufferStateLayer.h"
 #include "TestableSurfaceFlinger.h"
 #include "TunnelModeEnabledReporter.h"
 #include "mock/DisplayHardware/MockComposer.h"
@@ -64,7 +63,7 @@
 
     void setupScheduler();
     void setupComposer(uint32_t virtualDisplayCount);
-    sp<BufferStateLayer> createBufferStateLayer(LayerMetadata metadata);
+    sp<Layer> createBufferStateLayer(LayerMetadata metadata);
 
     TestableSurfaceFlinger mFlinger;
     Hwc2::mock::Composer* mComposer = nullptr;
@@ -95,11 +94,10 @@
     mTunnelModeEnabledReporter->removeListener(mTunnelModeEnabledListener);
 }
 
-sp<BufferStateLayer> TunnelModeEnabledReporterTest::createBufferStateLayer(
-        LayerMetadata metadata = {}) {
+sp<Layer> TunnelModeEnabledReporterTest::createBufferStateLayer(LayerMetadata metadata = {}) {
     sp<Client> client;
     LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", LAYER_FLAGS, metadata);
-    return new BufferStateLayer(args);
+    return sp<Layer>::make(args);
 }
 
 void TunnelModeEnabledReporterTest::setupScheduler() {
@@ -108,13 +106,15 @@
 
     EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
     EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
-                                                       ResyncCallback())));
+            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
+                                                             mock::EventThread::kCallingUid,
+                                                             ResyncCallback())));
 
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
index b7f968d..f660753 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
@@ -44,6 +44,8 @@
         ON_CALL(*this, nextAnticipatedVSyncTimeFrom(_))
                 .WillByDefault(Invoke(this, &MockVSyncTracker::nextVSyncTime));
         ON_CALL(*this, addVsyncTimestamp(_)).WillByDefault(Return(true));
+        ON_CALL(*this, currentPeriod())
+                .WillByDefault(Invoke(this, &MockVSyncTracker::getCurrentPeriod));
     }
 
     MOCK_METHOD1(addVsyncTimestamp, bool(nsecs_t));
@@ -62,6 +64,8 @@
         return (timePoint - (timePoint % mPeriod) + mPeriod);
     }
 
+    nsecs_t getCurrentPeriod() const { return mPeriod; }
+
 protected:
     nsecs_t const mPeriod;
 };
@@ -393,6 +397,43 @@
     EXPECT_THAT(cb1.mCalls[0], Eq(1063));
 }
 
+TEST_F(VSyncDispatchTimerQueueTest, noCloseCallbacksAfterPeriodChange) {
+    EXPECT_CALL(mStubTracker, nextAnticipatedVSyncTimeFrom(_))
+            .Times(4)
+            .WillOnce(Return(1000))
+            .WillOnce(Return(2000))
+            .WillOnce(Return(2500))
+            .WillOnce(Return(4000));
+
+    Sequence seq;
+    EXPECT_CALL(mMockClock, alarmAt(_, 900)).InSequence(seq);
+    EXPECT_CALL(mMockClock, alarmAt(_, 1900)).InSequence(seq);
+    EXPECT_CALL(mMockClock, alarmAt(_, 3900)).InSequence(seq);
+
+    CountingCallback cb(mDispatch);
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 0});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(1));
+    EXPECT_THAT(cb.mCalls[0], Eq(1000));
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 1000});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(2));
+    EXPECT_THAT(cb.mCalls[1], Eq(2000));
+
+    mDispatch.schedule(cb, {.workDuration = 100, .readyDuration = 0, .earliestVsync = 2000});
+
+    advanceToNextCallback();
+
+    ASSERT_THAT(cb.mCalls.size(), Eq(3));
+    EXPECT_THAT(cb.mCalls[2], Eq(4000));
+}
+
 TEST_F(VSyncDispatchTimerQueueTest, rearmsFaroutTimeoutWhenCancellingCloseOne) {
     EXPECT_CALL(mStubTracker, nextAnticipatedVSyncTimeFrom(_))
             .Times(4)
diff --git a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
index 30a3f9a..a35ff96 100644
--- a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
@@ -77,12 +77,12 @@
 };
 
 std::shared_ptr<android::FenceTime> generateInvalidFence() {
-    sp<Fence> fence = new Fence();
+    sp<Fence> fence = sp<Fence>::make();
     return std::make_shared<android::FenceTime>(fence);
 }
 
 std::shared_ptr<android::FenceTime> generatePendingFence() {
-    sp<Fence> fence = new Fence(dup(fileno(tmpfile())));
+    sp<Fence> fence = sp<Fence>::make(dup(fileno(tmpfile())));
     return std::make_shared<android::FenceTime>(fence);
 }
 
@@ -92,7 +92,7 @@
 }
 
 std::shared_ptr<android::FenceTime> generateSignalledFenceWithTime(nsecs_t time) {
-    sp<Fence> fence = new Fence(dup(fileno(tmpfile())));
+    sp<Fence> fence = sp<Fence>::make(dup(fileno(tmpfile())));
     std::shared_ptr<android::FenceTime> ft = std::make_shared<android::FenceTime>(fence);
     signalFenceWithTime(ft, time);
     return ft;
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
index 657ced3..c2c3d77 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockAidlPowerHalWrapper.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <gmock/gmock.h>
+#include <scheduler/Time.h>
 
 #include "DisplayHardware/PowerAdvisor.h"
 
@@ -42,8 +43,8 @@
     MOCK_METHOD(void, setPowerHintSessionThreadIds, (const std::vector<int32_t>& threadIds),
                 (override));
     MOCK_METHOD(bool, startPowerHintSession, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (nsecs_t targetDuration), (override));
-    MOCK_METHOD(void, sendActualWorkDuration, (nsecs_t actualDuration, nsecs_t timestamp),
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
+    MOCK_METHOD(void, sendActualWorkDuration, (Duration actualDuration, TimePoint timestamp),
                 (override));
     MOCK_METHOD(bool, shouldReconnectHAL, (), (override));
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
index aede250..fb1b394 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
@@ -36,7 +36,7 @@
     MOCK_METHOD(bool, usePowerHintSession, (), (override));
     MOCK_METHOD(bool, supportsPowerHintSession, (), (override));
     MOCK_METHOD(bool, isPowerHintSessionRunning, (), (override));
-    MOCK_METHOD(void, setTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTargetWorkDuration, (Duration targetDuration), (override));
     MOCK_METHOD(void, sendActualWorkDuration, (), (override));
     MOCK_METHOD(void, sendPredictedWorkDuration, (), (override));
     MOCK_METHOD(void, enablePowerHint, (bool enabled), (override));
@@ -44,25 +44,24 @@
     MOCK_METHOD(void, setGpuFenceTime,
                 (DisplayId displayId, std::unique_ptr<FenceTime>&& fenceTime), (override));
     MOCK_METHOD(void, setHwcValidateTiming,
-                (DisplayId displayId, nsecs_t valiateStartTime, nsecs_t validateEndTime),
+                (DisplayId displayId, TimePoint validateStartTime, TimePoint validateEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentTiming,
-                (DisplayId displayId, nsecs_t presentStartTime, nsecs_t presentEndTime),
+                (DisplayId displayId, TimePoint presentStartTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setSkippedValidate, (DisplayId displayId, bool skipped), (override));
     MOCK_METHOD(void, setRequiresClientComposition,
                 (DisplayId displayId, bool requiresClientComposition), (override));
-    MOCK_METHOD(void, setExpectedPresentTime, (nsecs_t expectedPresentTime), (override));
-    MOCK_METHOD(void, setSfPresentTiming, (nsecs_t presentFenceTime, nsecs_t presentEndTime),
+    MOCK_METHOD(void, setExpectedPresentTime, (TimePoint expectedPresentTime), (override));
+    MOCK_METHOD(void, setSfPresentTiming, (TimePoint presentFenceTime, TimePoint presentEndTime),
                 (override));
     MOCK_METHOD(void, setHwcPresentDelayedTime,
-                (DisplayId displayId,
-                 std::chrono::steady_clock::time_point earliestFrameStartTime));
-    MOCK_METHOD(void, setFrameDelay, (nsecs_t frameDelayDuration), (override));
-    MOCK_METHOD(void, setCommitStart, (nsecs_t commitStartTime), (override));
-    MOCK_METHOD(void, setCompositeEnd, (nsecs_t compositeEndtime), (override));
+                (DisplayId displayId, TimePoint earliestFrameStartTime));
+    MOCK_METHOD(void, setFrameDelay, (Duration frameDelayDuration), (override));
+    MOCK_METHOD(void, setCommitStart, (TimePoint commitStartTime), (override));
+    MOCK_METHOD(void, setCompositeEnd, (TimePoint compositeEndTime), (override));
     MOCK_METHOD(void, setDisplays, (std::vector<DisplayId> & displayIds), (override));
-    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (int64_t targetDuration), (override));
+    MOCK_METHOD(void, setTotalFrameTargetWorkDuration, (Duration targetDuration), (override));
 };
 
 } // namespace android::Hwc2::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
index c5ca86a..ded6806 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
@@ -24,12 +24,13 @@
 
 class EventThread : public android::EventThread {
 public:
+    static constexpr auto kCallingUid = static_cast<uid_t>(0);
+
     EventThread();
     ~EventThread() override;
 
     MOCK_CONST_METHOD2(createEventConnection,
-                       sp<EventThreadConnection>(ResyncCallback,
-                                                 ISurfaceComposer::EventRegistrationFlags));
+                       sp<EventThreadConnection>(ResyncCallback, EventRegistrationFlags));
     MOCK_METHOD0(onScreenReleased, void());
     MOCK_METHOD0(onScreenAcquired, void());
     MOCK_METHOD2(onHotplugReceived, void(PhysicalDisplayId, bool));
diff --git a/services/surfaceflinger/tests/unittests/mock/MockLayer.h b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
index 0840a2f..0d94f4c 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockLayer.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
@@ -18,14 +18,15 @@
 
 #include <gmock/gmock.h>
 
-#include "Layer.h"
-
 namespace android::mock {
 
 class MockLayer : public Layer {
 public:
     MockLayer(SurfaceFlinger* flinger, std::string name)
-          : Layer(LayerCreationArgs(flinger, nullptr, std::move(name), 0, {})) {}
+          : Layer(LayerCreationArgs(flinger, nullptr, std::move(name), 0, {})) {
+        EXPECT_CALL(*this, getDefaultFrameRateCompatibility())
+                .WillOnce(testing::Return(scheduler::LayerInfo::FrameRateCompatibility::Default));
+    }
     explicit MockLayer(SurfaceFlinger* flinger) : MockLayer(flinger, "TestLayer") {}
 
     MOCK_CONST_METHOD0(getType, const char*());
@@ -33,6 +34,8 @@
     MOCK_CONST_METHOD0(isVisible, bool());
     MOCK_METHOD0(createClone, sp<Layer>());
     MOCK_CONST_METHOD0(getFrameRateForLayerTree, FrameRate());
+    MOCK_CONST_METHOD0(getDefaultFrameRateCompatibility,
+                       scheduler::LayerInfo::FrameRateCompatibility());
     MOCK_CONST_METHOD0(getOwnerUid, uid_t());
     MOCK_CONST_METHOD0(getDataSpace, ui::Dataspace());
 };
diff --git a/services/surfaceflinger/tests/utils/ColorUtils.h b/services/surfaceflinger/tests/utils/ColorUtils.h
index 07916b6..38c422a 100644
--- a/services/surfaceflinger/tests/utils/ColorUtils.h
+++ b/services/surfaceflinger/tests/utils/ColorUtils.h
@@ -33,6 +33,10 @@
     static const Color WHITE;
     static const Color BLACK;
     static const Color TRANSPARENT;
+
+    half3 toHalf3() { return half3{r / 255.0f, g / 255.0f, b / 255.0f}; }
+
+    half4 toHalf4() { return half4{r / 255.0f, g / 255.0f, b / 255.0f, a / 255.0f}; }
 };
 
 const Color Color::RED{255, 0, 0, 255};
@@ -81,6 +85,14 @@
         }
         color = ret;
     }
+
+    static half3 toHalf3(const Color& color) {
+        return half3{color.r / 255.0f, color.g / 255.0f, color.b / 255.0f};
+    }
+
+    static half4 toHalf4(const Color& color) {
+        return half4{color.r / 255.0f, color.g / 255.0f, color.b / 255.0f, color.a / 255.0f};
+    }
 };
 } // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/utils/ScreenshotUtils.h b/services/surfaceflinger/tests/utils/ScreenshotUtils.h
index f879430..224868c 100644
--- a/services/surfaceflinger/tests/utils/ScreenshotUtils.h
+++ b/services/surfaceflinger/tests/utils/ScreenshotUtils.h
@@ -15,8 +15,10 @@
  */
 #pragma once
 
+#include <gui/AidlStatusUtil.h>
 #include <gui/SyncScreenCaptureListener.h>
 #include <private/gui/ComposerServiceAIDL.h>
+#include <ui/FenceResult.h>
 #include <ui/Rect.h>
 #include <utils/String8.h>
 #include <functional>
@@ -24,6 +26,8 @@
 
 namespace android {
 
+using gui::aidl_utils::statusTFromBinderStatus;
+
 namespace {
 
 // A ScreenCapture is a screenshot from SurfaceFlinger that can be used to check
@@ -36,14 +40,14 @@
         SurfaceComposerClient::Transaction().apply(true);
 
         captureArgs.dataspace = ui::Dataspace::V0_SRGB;
-        const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
+        const sp<SyncScreenCaptureListener> captureListener = sp<SyncScreenCaptureListener>::make();
         binder::Status status = sf->captureDisplay(captureArgs, captureListener);
-
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     static void captureScreen(std::unique_ptr<ScreenCapture>* sc) {
@@ -70,13 +74,14 @@
         SurfaceComposerClient::Transaction().apply(true);
 
         captureArgs.dataspace = ui::Dataspace::V0_SRGB;
-        const sp<SyncScreenCaptureListener> captureListener = new SyncScreenCaptureListener();
+        const sp<SyncScreenCaptureListener> captureListener = sp<SyncScreenCaptureListener>::make();
         binder::Status status = sf->captureLayers(captureArgs, captureListener);
-        if (status.transactionError() != NO_ERROR) {
-            return status.transactionError();
+        status_t err = statusTFromBinderStatus(status);
+        if (err != NO_ERROR) {
+            return err;
         }
         captureResults = captureListener->waitForResults();
-        return captureResults.result;
+        return fenceStatus(captureResults.fenceResult);
     }
 
     static void captureLayers(std::unique_ptr<ScreenCapture>* sc, LayerCaptureArgs& captureArgs) {
diff --git a/services/surfaceflinger/tests/vsync/vsync.cpp b/services/surfaceflinger/tests/vsync/vsync.cpp
index 667dfb9..8b4a6be 100644
--- a/services/surfaceflinger/tests/vsync/vsync.cpp
+++ b/services/surfaceflinger/tests/vsync/vsync.cpp
@@ -18,7 +18,13 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+// This file is included by modules that have host support but android/looper.h is not supported
+// on host. __REMOVED_IN needs to be defined in order for android/looper.h to be compiled.
+#ifndef __BIONIC__
+#define __REMOVED_IN(x) __attribute__((deprecated))
+#endif
 #include <android/looper.h>
+
 #include <gui/DisplayEventReceiver.h>
 #include <utils/Looper.h>
 
@@ -55,8 +61,7 @@
 {
     DisplayEventReceiver myDisplayEvent;
 
-
-    sp<Looper> loop = new Looper(false);
+    sp<Looper> loop = sp<Looper>::make(false);
     loop->addFd(myDisplayEvent.getFd(), 0, ALOOPER_EVENT_INPUT, receiver,
             &myDisplayEvent);
 
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index 6af2cc1..abcac3c 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -1883,6 +1883,11 @@
             if (swapchain_result != VK_SUCCESS) {
                 OrphanSwapchain(device, &swapchain);
             }
+            // Android will only return VK_SUBOPTIMAL_KHR for vkQueuePresentKHR,
+            // and only when the window's transform/rotation changes.  Extent
+            // changes will not cause VK_SUBOPTIMAL_KHR because of the
+            // application issues that were caused when the following transform
+            // change was added.
             int window_transform_hint;
             err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT,
                                 &window_transform_hint);