diff --git a/cmds/dumpstate/Android.bp b/cmds/dumpstate/Android.bp
index 09aee89..be7e3e1 100644
--- a/cmds/dumpstate/Android.bp
+++ b/cmds/dumpstate/Android.bp
@@ -66,7 +66,6 @@
     name: "dumpstate_aidl",
     srcs: [
         "binder/android/os/IDumpstateListener.aidl",
-        "binder/android/os/IDumpstateToken.aidl",
         "binder/android/os/IDumpstate.aidl",
     ],
     path: "binder",
diff --git a/cmds/dumpstate/DumpstateService.cpp b/cmds/dumpstate/DumpstateService.cpp
index f98df99..ccd74db 100644
--- a/cmds/dumpstate/DumpstateService.cpp
+++ b/cmds/dumpstate/DumpstateService.cpp
@@ -58,8 +58,6 @@
     exit(0);
 }
 
-class DumpstateToken : public BnDumpstateToken {};
-
 }  // namespace
 
 DumpstateService::DumpstateService() : ds_(nullptr) {
@@ -81,38 +79,6 @@
     return android::OK;
 }
 
-// Note: this method is part of the old flow and is not expected to be used in combination
-// with startBugreport.
-binder::Status DumpstateService::setListener(const std::string& name,
-                                             const sp<IDumpstateListener>& listener,
-                                             bool getSectionDetails,
-                                             sp<IDumpstateToken>* returned_token) {
-    *returned_token = nullptr;
-    if (name.empty()) {
-        MYLOGE("setListener(): name not set\n");
-        return binder::Status::ok();
-    }
-    if (listener == nullptr) {
-        MYLOGE("setListener(): listener not set\n");
-        return binder::Status::ok();
-    }
-    std::lock_guard<std::mutex> lock(lock_);
-    if (ds_ == nullptr) {
-        ds_ = &(Dumpstate::GetInstance());
-    }
-    if (ds_->listener_ != nullptr) {
-        MYLOGE("setListener(%s): already set (%s)\n", name.c_str(), ds_->listener_name_.c_str());
-        return binder::Status::ok();
-    }
-
-    ds_->listener_name_ = name;
-    ds_->listener_ = listener;
-    ds_->report_section_ = getSectionDetails;
-    *returned_token = new DumpstateToken();
-
-    return binder::Status::ok();
-}
-
 binder::Status DumpstateService::startBugreport(int32_t calling_uid,
                                                 const std::string& calling_package,
                                                 const android::base::unique_fd& bugreport_fd,
@@ -121,8 +87,7 @@
                                                 const sp<IDumpstateListener>& listener) {
     MYLOGI("startBugreport() with mode: %d\n", bugreport_mode);
 
-    // This is the bugreporting API flow, so ensure there is only one bugreport in progress at a
-    // time.
+    // Ensure there is only one bugreport in progress at a time.
     std::lock_guard<std::mutex> lock(lock_);
     if (ds_ != nullptr) {
         MYLOGE("Error! There is already a bugreport in progress. Returning.");
@@ -204,19 +169,17 @@
     dprintf(fd, "progress:\n");
     ds_->progress_->Dump(fd, "  ");
     dprintf(fd, "args: %s\n", ds_->options_->args.c_str());
-    dprintf(fd, "extra_options: %s\n", ds_->options_->extra_options.c_str());
+    dprintf(fd, "bugreport_mode: %s\n", ds_->options_->bugreport_mode.c_str());
     dprintf(fd, "version: %s\n", ds_->version_.c_str());
     dprintf(fd, "bugreport_dir: %s\n", destination.c_str());
     dprintf(fd, "screenshot_path: %s\n", ds_->screenshot_path_.c_str());
     dprintf(fd, "log_path: %s\n", ds_->log_path_.c_str());
     dprintf(fd, "tmp_path: %s\n", ds_->tmp_path_.c_str());
     dprintf(fd, "path: %s\n", ds_->path_.c_str());
-    dprintf(fd, "extra_options: %s\n", ds_->options_->extra_options.c_str());
     dprintf(fd, "base_name: %s\n", ds_->base_name_.c_str());
     dprintf(fd, "name: %s\n", ds_->name_.c_str());
     dprintf(fd, "now: %ld\n", ds_->now_);
     dprintf(fd, "is_zipping: %s\n", ds_->IsZipping() ? "true" : "false");
-    dprintf(fd, "listener: %s\n", ds_->listener_name_.c_str());
     dprintf(fd, "notification title: %s\n", ds_->options_->notification_title.c_str());
     dprintf(fd, "notification description: %s\n", ds_->options_->notification_description.c_str());
 
diff --git a/cmds/dumpstate/DumpstateService.h b/cmds/dumpstate/DumpstateService.h
index 68eda47..27954ad 100644
--- a/cmds/dumpstate/DumpstateService.h
+++ b/cmds/dumpstate/DumpstateService.h
@@ -24,7 +24,6 @@
 #include <binder/BinderService.h>
 
 #include "android/os/BnDumpstate.h"
-#include "android/os/BnDumpstateToken.h"
 #include "dumpstate.h"
 
 namespace android {
@@ -38,9 +37,6 @@
     static char const* getServiceName();
 
     status_t dump(int fd, const Vector<String16>& args) override;
-    binder::Status setListener(const std::string& name, const sp<IDumpstateListener>& listener,
-                               bool getSectionDetails,
-                               sp<IDumpstateToken>* returned_token) override;
 
     binder::Status startBugreport(int32_t calling_uid, const std::string& calling_package,
                                   const android::base::unique_fd& bugreport_fd,
diff --git a/cmds/dumpstate/binder/android/os/IDumpstate.aidl b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
index cb2d8b8..3f359c8 100644
--- a/cmds/dumpstate/binder/android/os/IDumpstate.aidl
+++ b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
@@ -17,24 +17,12 @@
 package android.os;
 
 import android.os.IDumpstateListener;
-import android.os.IDumpstateToken;
 
 /**
   * Binder interface for the currently running dumpstate process.
   * {@hide}
   */
 interface IDumpstate {
-    // TODO: remove method once startBugReport is used by Shell.
-    /*
-     * Sets the listener for this dumpstate progress.
-     *
-     * Returns a token used to monitor dumpstate death, or `nullptr` if the listener was already
-     * set (the listener behaves like a Highlander: There Can be Only One).
-     * Set {@code getSectionDetails} to true in order to receive callbacks with per section
-     * progress details
-     */
-    IDumpstateToken setListener(@utf8InCpp String name, IDumpstateListener listener,
-                                boolean getSectionDetails);
 
     // NOTE: If you add to or change these modes, please also change the corresponding enums
     // in system server, in BugreportParams.java.
diff --git a/cmds/dumpstate/binder/android/os/IDumpstateToken.aidl b/cmds/dumpstate/binder/android/os/IDumpstateToken.aidl
deleted file mode 100644
index 7f74ceb..0000000
--- a/cmds/dumpstate/binder/android/os/IDumpstateToken.aidl
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Copyright (c) 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.
- */
-
-package android.os;
-
-/**
-  * Token used by the IDumpstateListener to watch for dumpstate death.
-  * {@hide}
-  */
-interface IDumpstateToken {
-}
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index b87582e..5469d0c 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -231,14 +231,6 @@
     return true;
 }
 
-static bool IsFileEmpty(const std::string& file_path) {
-    std::ifstream file(file_path, std::ios::binary | std::ios::ate);
-    if(file.bad()) {
-        MYLOGE("Cannot open file: %s\n", file_path.c_str());
-        return true;
-    }
-    return file.tellg() <= 0;
-}
 
 int64_t GetModuleMetadataVersion() {
     auto binder = defaultServiceManager()->getService(android::String16("package_native"));
@@ -288,11 +280,8 @@
 };
 static const int NUM_OF_DUMPS = arraysize(kDumpstateBoardFiles);
 
-static constexpr char PROPERTY_EXTRA_OPTIONS[] = "dumpstate.options";
 static constexpr char PROPERTY_LAST_ID[] = "dumpstate.last_id";
 static constexpr char PROPERTY_VERSION[] = "dumpstate.version";
-static constexpr char PROPERTY_EXTRA_TITLE[] = "dumpstate.options.title";
-static constexpr char PROPERTY_EXTRA_DESCRIPTION[] = "dumpstate.options.description";
 
 static const CommandOptions AS_ROOT_20 = CommandOptions::WithTimeout(20).AsRoot().Build();
 
@@ -696,8 +685,8 @@
     RunCommandToFd(STDOUT_FILENO, "", {"uptime", "-p"},
                    CommandOptions::WithTimeout(1).Always().Build());
     printf("Bugreport format version: %s\n", version_.c_str());
-    printf("Dumpstate info: id=%d pid=%d dry_run=%d args=%s extra_options=%s\n", id_, pid_,
-           PropertiesHelper::IsDryRun(), options_->args.c_str(), options_->extra_options.c_str());
+    printf("Dumpstate info: id=%d pid=%d dry_run=%d args=%s bugreport_mode=%s\n", id_, pid_,
+           PropertiesHelper::IsDryRun(), options_->args.c_str(), options_->bugreport_mode.c_str());
     printf("\n");
 }
 
@@ -960,6 +949,7 @@
     }
 
     RunCommand("LPDUMP", {"lpdump", "--all"});
+    RunCommand("DEVICE-MAPPER", {"gsid", "dump-device-mapper"});
 }
 
 static void AddAnrTraceDir(const bool add_to_zip, const std::string& anr_traces_dir) {
@@ -1905,7 +1895,7 @@
 static void ShowUsage() {
     fprintf(stderr,
             "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-d] [-p] "
-            "[-z]] [-s] [-S] [-q] [-B] [-P] [-R] [-V version]\n"
+            "[-z]] [-s] [-S] [-q] [-P] [-R] [-V version]\n"
             "  -h: display this help message\n"
             "  -b: play sound file instead of vibrate, at beginning of job\n"
             "  -e: play sound file instead of vibrate, at end of job\n"
@@ -1915,11 +1905,8 @@
             "  -s: write output to control socket (for init)\n"
             "  -S: write file location to control socket (for init; requires -z)\n"
             "  -q: disable vibrate\n"
-            "  -B: send broadcast when finished\n"
-            "  -P: send broadcast when started and update system properties on "
-            "progress (requires -B)\n"
-            "  -R: take bugreport in remote mode (requires -z, -d and -B, "
-            "shouldn't be used with -P)\n"
+            "  -P: send broadcast when started and do progress updates\n"
+            "  -R: take bugreport in remote mode (requires -z and -d, shouldn't be used with -P)\n"
             "  -w: start binder service and make it wait for a call to startBugreport\n"
             "  -v: prints the dumpstate header and exit\n");
 }
@@ -1976,41 +1963,6 @@
     return true;
 }
 
-static std::string SHA256_file_hash(const std::string& filepath) {
-    android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(filepath.c_str(), O_RDONLY | O_NONBLOCK
-            | O_CLOEXEC | O_NOFOLLOW)));
-    if (fd == -1) {
-        MYLOGE("open(%s): %s\n", filepath.c_str(), strerror(errno));
-        return nullptr;
-    }
-
-    SHA256_CTX ctx;
-    SHA256_Init(&ctx);
-
-    std::vector<uint8_t> buffer(65536);
-    while (1) {
-        ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd.get(), buffer.data(), buffer.size()));
-        if (bytes_read == 0) {
-            break;
-        } else if (bytes_read == -1) {
-            MYLOGE("read(%s): %s\n", filepath.c_str(), strerror(errno));
-            return nullptr;
-        }
-
-        SHA256_Update(&ctx, buffer.data(), bytes_read);
-    }
-
-    uint8_t hash[SHA256_DIGEST_LENGTH];
-    SHA256_Final(hash, &ctx);
-
-    char hash_buffer[SHA256_DIGEST_LENGTH * 2 + 1];
-    for(size_t i = 0; i < SHA256_DIGEST_LENGTH; i++) {
-        sprintf(hash_buffer + (i * 2), "%02x", hash[i]);
-    }
-    hash_buffer[sizeof(hash_buffer) - 1] = 0;
-    return std::string(hash_buffer);
-}
-
 static void SendBroadcast(const std::string& action, const std::vector<std::string>& args) {
     // clang-format off
     std::vector<std::string> am = {"/system/bin/cmd", "activity", "broadcast", "--user", "0",
@@ -2103,37 +2055,10 @@
 }
 
 /*
- * Finalizes writing to the file by renaming or zipping the tmp file to the final location,
+ * Finalizes writing to the file by zipping the tmp file to the final location,
  * printing zipped file status, etc.
  */
 static void FinalizeFile() {
-    /* check if user changed the suffix using system properties */
-    std::string name =
-        android::base::GetProperty(android::base::StringPrintf("dumpstate.%d.name", ds.pid_), "");
-    bool change_suffix = false;
-    if (!name.empty()) {
-        /* must whitelist which characters are allowed, otherwise it could cross directories */
-        std::regex valid_regex("^[-_a-zA-Z0-9]+$");
-        if (std::regex_match(name.c_str(), valid_regex)) {
-            change_suffix = true;
-        } else {
-            MYLOGE("invalid suffix provided by user: %s\n", name.c_str());
-        }
-    }
-    if (change_suffix) {
-        MYLOGI("changing suffix from %s to %s\n", ds.name_.c_str(), name.c_str());
-        ds.name_ = name;
-        if (!ds.screenshot_path_.empty()) {
-            std::string new_screenshot_path = ds.GetPath(ds.CalledByApi() ? "-tmp.png" : ".png");
-            if (rename(ds.screenshot_path_.c_str(), new_screenshot_path.c_str())) {
-                MYLOGE("rename(%s, %s): %s\n", ds.screenshot_path_.c_str(),
-                       new_screenshot_path.c_str(), strerror(errno));
-            } else {
-                ds.screenshot_path_ = new_screenshot_path;
-            }
-        }
-    }
-
     bool do_text_file = true;
     if (ds.options_->do_zip_file) {
         if (!ds.FinishZipFile()) {
@@ -2141,25 +2066,6 @@
             do_text_file = true;
         } else {
             do_text_file = false;
-            // If the user has changed the suffix, we need to change the zip file name.
-            std::string new_path = ds.GetPath(ds.CalledByApi() ? "-tmp.zip" : ".zip");
-            if (ds.path_ != new_path) {
-                MYLOGD("Renaming zip file from %s to %s\n", ds.path_.c_str(), new_path.c_str());
-                if (rename(ds.path_.c_str(), new_path.c_str())) {
-                    MYLOGE("rename(%s, %s): %s\n", ds.path_.c_str(), new_path.c_str(),
-                           strerror(errno));
-                } else {
-                    ds.path_ = new_path;
-                }
-            }
-        }
-    }
-    if (do_text_file) {
-        ds.path_ = ds.GetPath(".txt");
-        MYLOGD("Generating .txt bugreport at %s from %s\n", ds.path_.c_str(), ds.tmp_path_.c_str());
-        if (rename(ds.tmp_path_.c_str(), ds.path_.c_str())) {
-            MYLOGE("rename(%s, %s): %s\n", ds.tmp_path_.c_str(), ds.path_.c_str(), strerror(errno));
-            ds.path_.clear();
         }
     }
     if (ds.options_->use_control_socket) {
@@ -2174,49 +2080,6 @@
     }
 }
 
-/* Broadcasts that we are done with the bugreport */
-static void SendBugreportFinishedBroadcast() {
-    // TODO(b/111441001): use callback instead of broadcast.
-    if (!ds.path_.empty()) {
-        MYLOGI("Final bugreport path: %s\n", ds.path_.c_str());
-        // clang-format off
-
-        std::vector<std::string> am_args = {
-             "--receiver-permission", "android.permission.DUMP",
-             "--ei", "android.intent.extra.ID", std::to_string(ds.id_),
-             "--ei", "android.intent.extra.PID", std::to_string(ds.pid_),
-             "--ei", "android.intent.extra.MAX", std::to_string(ds.progress_->GetMax()),
-             "--es", "android.intent.extra.BUGREPORT", ds.path_,
-             "--es", "android.intent.extra.DUMPSTATE_LOG", ds.log_path_
-        };
-        // clang-format on
-        if (ds.options_->do_fb && !android::os::IsFileEmpty(ds.screenshot_path_)) {
-            am_args.push_back("--es");
-            am_args.push_back("android.intent.extra.SCREENSHOT");
-            am_args.push_back(ds.screenshot_path_);
-        }
-        if (!ds.options_->notification_title.empty()) {
-            am_args.push_back("--es");
-            am_args.push_back("android.intent.extra.TITLE");
-            am_args.push_back(ds.options_->notification_title);
-            if (!ds.options_->notification_description.empty()) {
-                am_args.push_back("--es");
-                am_args.push_back("android.intent.extra.DESCRIPTION");
-                am_args.push_back(ds.options_->notification_description);
-            }
-        }
-        if (ds.options_->is_remote_mode) {
-            am_args.push_back("--es");
-            am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH");
-            am_args.push_back(SHA256_file_hash(ds.path_));
-            SendBroadcast("com.android.internal.intent.action.REMOTE_BUGREPORT_FINISHED", am_args);
-        } else {
-            SendBroadcast("com.android.internal.intent.action.BUGREPORT_FINISHED", am_args);
-        }
-    } else {
-        MYLOGE("Skipping finished broadcast because bugreport could not be generated\n");
-    }
-}
 
 static inline const char* ModeToString(Dumpstate::BugreportMode mode) {
     switch (mode) {
@@ -2238,10 +2101,9 @@
 }
 
 static void SetOptionsFromMode(Dumpstate::BugreportMode mode, Dumpstate::DumpOptions* options) {
-    options->extra_options = ModeToString(mode);
+    options->bugreport_mode = ModeToString(mode);
     switch (mode) {
         case Dumpstate::BugreportMode::BUGREPORT_FULL:
-            options->do_broadcast = true;
             options->do_fb = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE:
@@ -2249,88 +2111,32 @@
             options->do_start_service = true;
             options->do_progress_updates = true;
             options->do_fb = false;
-            options->do_broadcast = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_REMOTE:
             options->do_vibrate = false;
             options->is_remote_mode = true;
             options->do_fb = false;
-            options->do_broadcast = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_WEAR:
             options->do_start_service = true;
             options->do_progress_updates = true;
             options->do_zip_file = true;
             options->do_fb = true;
-            options->do_broadcast = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_TELEPHONY:
             options->telephony_only = true;
             options->do_fb = false;
-            options->do_broadcast = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_WIFI:
             options->wifi_only = true;
             options->do_zip_file = true;
             options->do_fb = false;
-            options->do_broadcast = true;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_DEFAULT:
             break;
     }
 }
 
-static Dumpstate::BugreportMode getBugreportModeFromProperty() {
-    // If the system property is not set, it's assumed to be a default bugreport.
-    Dumpstate::BugreportMode mode = Dumpstate::BugreportMode::BUGREPORT_DEFAULT;
-
-    std::string extra_options = android::base::GetProperty(PROPERTY_EXTRA_OPTIONS, "");
-    if (!extra_options.empty()) {
-        // Framework uses a system property to override some command-line args.
-        // Currently, it contains the type of the requested bugreport.
-        if (extra_options == "bugreportplus") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE;
-        } else if (extra_options == "bugreportfull") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_FULL;
-        } else if (extra_options == "bugreportremote") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_REMOTE;
-        } else if (extra_options == "bugreportwear") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_WEAR;
-        } else if (extra_options == "bugreporttelephony") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_TELEPHONY;
-        } else if (extra_options == "bugreportwifi") {
-            mode = Dumpstate::BugreportMode::BUGREPORT_WIFI;
-        } else {
-            MYLOGE("Unknown extra option: %s\n", extra_options.c_str());
-        }
-        // Reset the property
-        android::base::SetProperty(PROPERTY_EXTRA_OPTIONS, "");
-    }
-    return mode;
-}
-
-// TODO: Move away from system properties when we have options passed via binder calls.
-/* Sets runtime options from the system properties and then clears those properties. */
-static void SetOptionsFromProperties(Dumpstate::DumpOptions* options) {
-    Dumpstate::BugreportMode mode = getBugreportModeFromProperty();
-    SetOptionsFromMode(mode, options);
-
-    options->notification_title = android::base::GetProperty(PROPERTY_EXTRA_TITLE, "");
-    if (!options->notification_title.empty()) {
-        // Reset the property
-        android::base::SetProperty(PROPERTY_EXTRA_TITLE, "");
-
-        options->notification_description =
-            android::base::GetProperty(PROPERTY_EXTRA_DESCRIPTION, "");
-        if (!options->notification_description.empty()) {
-            // Reset the property
-            android::base::SetProperty(PROPERTY_EXTRA_DESCRIPTION, "");
-        }
-        MYLOGD("notification (title:  %s, description: %s)\n", options->notification_title.c_str(),
-               options->notification_description.c_str());
-    }
-}
-
 static void LogDumpOptions(const Dumpstate::DumpOptions& options) {
     MYLOGI("do_zip_file: %d\n", options.do_zip_file);
     MYLOGI("do_add_date: %d\n", options.do_add_date);
@@ -2338,7 +2144,6 @@
     MYLOGI("use_socket: %d\n", options.use_socket);
     MYLOGI("use_control_socket: %d\n", options.use_control_socket);
     MYLOGI("do_fb: %d\n", options.do_fb);
-    MYLOGI("do_broadcast: %d\n", options.do_broadcast);
     MYLOGI("is_remote_mode: %d\n", options.is_remote_mode);
     MYLOGI("show_header_only: %d\n", options.show_header_only);
     MYLOGI("do_start_service: %d\n", options.do_start_service);
@@ -2346,10 +2151,8 @@
     MYLOGI("wifi_only: %d\n", options.wifi_only);
     MYLOGI("do_progress_updates: %d\n", options.do_progress_updates);
     MYLOGI("fd: %d\n", options.bugreport_fd.get());
-    MYLOGI("extra_options: %s\n", options.extra_options.c_str());
+    MYLOGI("bugreport_mode: %s\n", options.bugreport_mode.c_str());
     MYLOGI("args: %s\n", options.args.c_str());
-    MYLOGI("notification_title: %s\n", options.notification_title.c_str());
-    MYLOGI("notification_description: %s\n", options.notification_description.c_str());
 }
 
 void Dumpstate::DumpOptions::Initialize(BugreportMode bugreport_mode,
@@ -2364,7 +2167,6 @@
     bugreport_fd.reset(dup(bugreport_fd_in.get()));
     screenshot_fd.reset(dup(screenshot_fd_in.get()));
 
-    extra_options = ModeToString(bugreport_mode);
     SetOptionsFromMode(bugreport_mode, this);
 }
 
@@ -2383,7 +2185,6 @@
             case 'p': do_fb = true;                  break;
             case 'P': do_progress_updates = true;    break;
             case 'R': is_remote_mode = true;         break;
-            case 'B': do_broadcast = true;           break;
             case 'V':                                break;  // compatibility no-op
             case 'w':
                 // This was already processed
@@ -2409,7 +2210,6 @@
     // Reset next index used by getopt so this can be called multiple times, for eg, in tests.
     optind = 1;
 
-    SetOptionsFromProperties(this);
     return status;
 }
 
@@ -2418,7 +2218,7 @@
         return false;
     }
 
-    if ((do_zip_file || do_add_date || do_progress_updates || do_broadcast) && !OutputToFile()) {
+    if ((do_zip_file || do_add_date || do_progress_updates) && !OutputToFile()) {
         return false;
     }
 
@@ -2426,11 +2226,7 @@
         return false;
     }
 
-    if (do_progress_updates && !do_broadcast) {
-        return false;
-    }
-
-    if (is_remote_mode && (do_progress_updates || !do_broadcast || !do_zip_file || !do_add_date)) {
+    if (is_remote_mode && (do_progress_updates || !do_zip_file || !do_add_date)) {
         return false;
     }
     return true;
@@ -2528,7 +2324,7 @@
 
     MYLOGD("dumpstate calling_uid = %d ; calling package = %s \n",
             calling_uid, calling_package.c_str());
-    if (options_->bugreport_fd.get() != -1) {
+    if (CalledByApi()) {
         // If the output needs to be copied over to the caller's fd, get user consent.
         android::String16 package(calling_package.c_str());
         CheckUserConsent(calling_uid, package);
@@ -2573,8 +2369,8 @@
         MYLOGI("Running on dry-run mode (to disable it, call 'setprop dumpstate.dry_run false')\n");
     }
 
-    MYLOGI("dumpstate info: id=%d, args='%s', extra_options= %s)\n", id_, options_->args.c_str(),
-           options_->extra_options.c_str());
+    MYLOGI("dumpstate info: id=%d, args='%s', bugreport_mode= %s)\n", id_, options_->args.c_str(),
+           options_->bugreport_mode.c_str());
 
     MYLOGI("bugreport format version: %s\n", version_.c_str());
 
@@ -2601,18 +2397,13 @@
         PrepareToWriteToFile();
 
         if (options_->do_progress_updates) {
-            if (options_->do_broadcast) {
-                // clang-format off
-                std::vector<std::string> am_args = {
-                     "--receiver-permission", "android.permission.DUMP",
-                     "--es", "android.intent.extra.NAME", name_,
-                     "--ei", "android.intent.extra.ID", std::to_string(id_),
-                     "--ei", "android.intent.extra.PID", std::to_string(pid_),
-                     "--ei", "android.intent.extra.MAX", std::to_string(progress_->GetMax()),
-                };
-                // clang-format on
-                SendBroadcast("com.android.internal.intent.action.BUGREPORT_STARTED", am_args);
-            }
+            // clang-format off
+            std::vector<std::string> am_args = {
+                 "--receiver-permission", "android.permission.DUMP",
+            };
+            // clang-format on
+            // Send STARTED broadcast for apps that listen to bugreport generation events
+            SendBroadcast("com.android.internal.intent.action.BUGREPORT_STARTED", am_args);
             if (options_->use_control_socket) {
                 dprintf(control_socket_fd_, "BEGIN:%s\n", path_.c_str());
             }
@@ -2700,14 +2491,14 @@
         TEMP_FAILURE_RETRY(dup2(dup_stdout_fd, fileno(stdout)));
     }
 
-    // Rename, and/or zip the (now complete) .tmp file within the internal directory.
+    // Zip the (now complete) .tmp file within the internal directory.
     if (options_->OutputToFile()) {
         FinalizeFile();
     }
 
     // Share the final file with the caller if the user has consented or Shell is the caller.
     Dumpstate::RunStatus status = Dumpstate::RunStatus::OK;
-    if (options_->bugreport_fd.get() != -1) {
+    if (CalledByApi()) {
         status = CopyBugreportIfUserConsented(calling_uid);
         if (status != Dumpstate::RunStatus::OK &&
             status != Dumpstate::RunStatus::USER_CONSENT_TIMED_OUT) {
@@ -2748,12 +2539,6 @@
         }
     }
 
-    /* tell activity manager we're done */
-    if (options_->do_broadcast && !CalledByApi()) {
-        SendBugreportFinishedBroadcast();
-        // Note that listener_ is notified in Run();
-    }
-
     MYLOGD("Final progress: %d/%d (estimated %d)\n", progress_->Get(), progress_->GetMax(),
            progress_->GetInitialMax());
     progress_->Save();
@@ -3686,13 +3471,11 @@
     if (listener_ != nullptr) {
         if (percent % 5 == 0) {
             // We don't want to spam logcat, so only log multiples of 5.
-            MYLOGD("Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(), progress, max,
-                   percent);
+            MYLOGD("Setting progress: %d/%d (%d%%)\n", progress, max, percent);
         } else {
             // stderr is ignored on normal invocations, but useful when calling
             // /system/bin/dumpstate directly for debuggging.
-            fprintf(stderr, "Setting progress (%s): %d/%d (%d%%)\n", listener_name_.c_str(),
-                    progress, max, percent);
+            fprintf(stderr, "Setting progress: %d/%d (%d%%)\n", progress, max, percent);
         }
 
         listener_->onProgress(percent);
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index 430936e..831574d 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -359,7 +359,6 @@
         bool use_socket = false;
         bool use_control_socket = false;
         bool do_fb = false;
-        bool do_broadcast = false;
         bool is_remote_mode = false;
         bool show_header_only = false;
         bool do_start_service = false;
@@ -371,16 +370,15 @@
         android::base::unique_fd bugreport_fd;
         // File descriptor to screenshot file.
         android::base::unique_fd screenshot_fd;
-        // TODO: rename to MODE.
-        // Extra options passed as system property.
-        std::string extra_options;
+        // Bugreport mode of the bugreport.
+        std::string bugreport_mode;
         // Command-line arguments as string
         std::string args;
         // Notification title and description
         std::string notification_title;
         std::string notification_description;
 
-        /* Initializes options from commandline arguments and system properties. */
+        /* Initializes options from commandline arguments. */
         RunStatus Initialize(int argc, char* argv[]);
 
         /* Initializes options from the requested mode. */
@@ -456,8 +454,6 @@
 
     // Binder object listening to progress.
     android::sp<android::os::IDumpstateListener> listener_;
-    std::string listener_name_;
-    bool report_section_;
 
     // List of open tombstone dump files.
     std::vector<DumpData> tombstone_data_;
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index fbb01f5..f1884f8 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -195,7 +195,6 @@
     static Dumpstate& ds;
     static std::chrono::milliseconds duration;
     static void SetUpTestCase() {
-        property_set("dumpstate.options", "bugreportplus");
         // clang-format off
         char* argv[] = {
             (char*)"dumpstate",
@@ -206,8 +205,6 @@
         // clang-format on
         sp<DumpstateListener> listener(new DumpstateListener(dup(fileno(stdout)), sections));
         ds.listener_ = listener;
-        ds.listener_name_ = "Smokey";
-        ds.report_section_ = true;
         auto start = std::chrono::steady_clock::now();
         ds.ParseCommandlineAndRun(ARRAY_SIZE(argv), argv);
         auto end = std::chrono::steady_clock::now();
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index cff1d43..1ae073c 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -37,6 +37,7 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <cutils/properties.h>
+#include <android-base/unique_fd.h>
 
 namespace android {
 namespace os {
@@ -148,10 +149,9 @@
         options_ = Dumpstate::DumpOptions();
     }
     void TearDown() {
-        // Reset the property
-        property_set("dumpstate.options", "");
     }
     Dumpstate::DumpOptions options_;
+    android::base::unique_fd fd;
 };
 
 TEST_F(DumpOptionsTest, InitializeNone) {
@@ -174,7 +174,6 @@
     EXPECT_FALSE(options_.do_fb);
     EXPECT_FALSE(options_.do_progress_updates);
     EXPECT_FALSE(options_.is_remote_mode);
-    EXPECT_FALSE(options_.do_broadcast);
 }
 
 TEST_F(DumpOptionsTest, InitializeAdbBugreport) {
@@ -200,7 +199,6 @@
     EXPECT_FALSE(options_.do_fb);
     EXPECT_FALSE(options_.do_progress_updates);
     EXPECT_FALSE(options_.is_remote_mode);
-    EXPECT_FALSE(options_.do_broadcast);
     EXPECT_FALSE(options_.use_socket);
 }
 
@@ -226,28 +224,13 @@
     EXPECT_FALSE(options_.do_fb);
     EXPECT_FALSE(options_.do_progress_updates);
     EXPECT_FALSE(options_.is_remote_mode);
-    EXPECT_FALSE(options_.do_broadcast);
 }
 
 TEST_F(DumpOptionsTest, InitializeFullBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-    property_set("dumpstate.options", "bugreportfull");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_FULL, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_fb);
     EXPECT_TRUE(options_.do_zip_file);
-    EXPECT_TRUE(options_.do_broadcast);
 
     // Other options retain default values
     EXPECT_TRUE(options_.do_vibrate);
@@ -260,23 +243,8 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeInteractiveBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-
-    property_set("dumpstate.options", "bugreportplus");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
-    EXPECT_TRUE(options_.do_broadcast);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.do_progress_updates);
     EXPECT_TRUE(options_.do_start_service);
@@ -291,23 +259,8 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeRemoteBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-
-    property_set("dumpstate.options", "bugreportremote");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_REMOTE, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
-    EXPECT_TRUE(options_.do_broadcast);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.is_remote_mode);
     EXPECT_FALSE(options_.do_vibrate);
@@ -321,24 +274,9 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeWearBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-
-    property_set("dumpstate.options", "bugreportwear");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WEAR, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_fb);
-    EXPECT_TRUE(options_.do_broadcast);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.do_progress_updates);
     EXPECT_TRUE(options_.do_start_service);
@@ -352,24 +290,9 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeTelephonyBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-
-    property_set("dumpstate.options", "bugreporttelephony");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_TELEPHONY, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_FALSE(options_.do_fb);
-    EXPECT_TRUE(options_.do_broadcast);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.telephony_only);
 
@@ -383,24 +306,9 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeWifiBugReport) {
-    // clang-format off
-    char* argv[] = {
-        const_cast<char*>("bugreport"),
-        const_cast<char*>("-d"),
-        const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
-        const_cast<char*>("-z"),
-    };
-    // clang-format on
-
-    property_set("dumpstate.options", "bugreportwifi");
-
-    Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
-
-    EXPECT_EQ(status, Dumpstate::RunStatus::OK);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WIFI, fd, fd);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_FALSE(options_.do_fb);
-    EXPECT_TRUE(options_.do_broadcast);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.wifi_only);
 
@@ -420,20 +328,15 @@
         const_cast<char*>("bugreport"),
         const_cast<char*>("-d"),
         const_cast<char*>("-p"),
-        const_cast<char*>("-B"),
         const_cast<char*>("-z"),
     };
     // clang-format on
-
-    property_set("dumpstate.options", "");
-
     Dumpstate::RunStatus status = options_.Initialize(ARRAY_SIZE(argv), argv);
 
     EXPECT_EQ(status, Dumpstate::RunStatus::OK);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_fb);
     EXPECT_TRUE(options_.do_zip_file);
-    EXPECT_TRUE(options_.do_broadcast);
 
     // Other options retain default values
     EXPECT_TRUE(options_.do_vibrate);
@@ -472,7 +375,6 @@
     EXPECT_FALSE(options_.do_fb);
     EXPECT_FALSE(options_.do_progress_updates);
     EXPECT_FALSE(options_.is_remote_mode);
-    EXPECT_FALSE(options_.do_broadcast);
 }
 
 TEST_F(DumpOptionsTest, InitializePartial2) {
@@ -484,7 +386,6 @@
         const_cast<char*>("-p"),
         const_cast<char*>("-P"),
         const_cast<char*>("-R"),
-        const_cast<char*>("-B"),
     };
     // clang-format on
 
@@ -496,7 +397,6 @@
     EXPECT_TRUE(options_.do_fb);
     EXPECT_TRUE(options_.do_progress_updates);
     EXPECT_TRUE(options_.is_remote_mode);
-    EXPECT_TRUE(options_.do_broadcast);
 
     // Other options retain default values
     EXPECT_FALSE(options_.do_add_date);
@@ -544,7 +444,7 @@
 }
 
 TEST_F(DumpOptionsTest, ValidateOptionsNeedOutfile2) {
-    options_.do_broadcast = true;
+    options_.do_progress_updates = true;
     // Writing to socket = !writing to file.
     options_.use_socket = true;
     EXPECT_FALSE(options_.ValidateOptions());
@@ -561,19 +461,10 @@
     EXPECT_TRUE(options_.ValidateOptions());
 }
 
-TEST_F(DumpOptionsTest, ValidateOptionsUpdateProgressNeedsBroadcast) {
-    options_.do_progress_updates = true;
-    EXPECT_FALSE(options_.ValidateOptions());
-
-    options_.do_broadcast = true;
-    EXPECT_TRUE(options_.ValidateOptions());
-}
-
 TEST_F(DumpOptionsTest, ValidateOptionsRemoteMode) {
     options_.is_remote_mode = true;
     EXPECT_FALSE(options_.ValidateOptions());
 
-    options_.do_broadcast = true;
     options_.do_zip_file = true;
     options_.do_add_date = true;
     EXPECT_TRUE(options_.ValidateOptions());
@@ -616,8 +507,8 @@
         ds.progress_.reset(new Progress(initial_max, progress, 1.2));
     }
 
-    std::string GetProgressMessage(const std::string& listener_name, int progress, int max,
-                                   int old_max = 0, bool update_progress = true) {
+    std::string GetProgressMessage(int progress, int max,
+            int old_max = 0, bool update_progress = true) {
         EXPECT_EQ(progress, ds.progress_->Get()) << "invalid progress";
         EXPECT_EQ(max, ds.progress_->GetMax()) << "invalid max";
 
@@ -630,9 +521,8 @@
         }
 
         if (update_progress) {
-            message += android::base::StringPrintf("Setting progress (%s): %d/%d (%d%%)\n",
-                                                   listener_name.c_str(), progress, max,
-                                                   (100 * progress / max));
+            message += android::base::StringPrintf("Setting progress: %d/%d (%d%%)\n",
+                                                   progress, max, (100 * progress / max));
         }
 
         return message;
@@ -787,18 +677,17 @@
 TEST_F(DumpstateTest, RunCommandProgress) {
     sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
     ds.listener_ = listener;
-    ds.listener_name_ = "FoxMulder";
     SetProgress(0, 30);
 
     EXPECT_CALL(*listener, onProgress(66));  // 20/30 %
     EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(20).Build()));
-    std::string progress_message = GetProgressMessage(ds.listener_name_, 20, 30);
+    std::string progress_message = GetProgressMessage(20, 30);
     EXPECT_THAT(out, StrEq("stdout\n"));
     EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
 
     EXPECT_CALL(*listener, onProgress(80));  // 24/30 %
     EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(4).Build()));
-    progress_message = GetProgressMessage(ds.listener_name_, 24, 30);
+    progress_message = GetProgressMessage(24, 30);
     EXPECT_THAT(out, StrEq("stdout\n"));
     EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
 
@@ -806,20 +695,20 @@
     SetDryRun(true);
     EXPECT_CALL(*listener, onProgress(90));  // 27/30 %
     EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(3).Build()));
-    progress_message = GetProgressMessage(ds.listener_name_, 27, 30);
+    progress_message = GetProgressMessage(27, 30);
     EXPECT_THAT(out, IsEmpty());
     EXPECT_THAT(err, StrEq(progress_message));
 
     SetDryRun(false);
     EXPECT_CALL(*listener, onProgress(96));  // 29/30 %
     EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(2).Build()));
-    progress_message = GetProgressMessage(ds.listener_name_, 29, 30);
+    progress_message = GetProgressMessage(29, 30);
     EXPECT_THAT(out, StrEq("stdout\n"));
     EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
 
     EXPECT_CALL(*listener, onProgress(100));  // 30/30 %
     EXPECT_EQ(0, RunCommand("", {kSimpleCommand}, CommandOptions::WithTimeout(1).Build()));
-    progress_message = GetProgressMessage(ds.listener_name_, 30, 30);
+    progress_message = GetProgressMessage(30, 30);
     EXPECT_THAT(out, StrEq("stdout\n"));
     EXPECT_THAT(err, StrEq("stderr\n" + progress_message));
 
@@ -1044,14 +933,12 @@
 TEST_F(DumpstateTest, DumpFileUpdateProgress) {
     sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
     ds.listener_ = listener;
-    ds.listener_name_ = "FoxMulder";
     SetProgress(0, 30);
 
     EXPECT_CALL(*listener, onProgress(16));  // 5/30 %
     EXPECT_EQ(0, DumpFile("", kTestDataPath + "single-line.txt"));
 
-    std::string progress_message =
-        GetProgressMessage(ds.listener_name_, 5, 30);  // TODO: unhardcode WEIGHT_FILE (5)?
+    std::string progress_message = GetProgressMessage(5, 30);  // TODO: unhardcode WEIGHT_FILE (5)?
     EXPECT_THAT(err, StrEq(progress_message));
     EXPECT_THAT(out, StrEq("I AM LINE1\n"));  // dumpstate adds missing newline
 
@@ -1063,48 +950,6 @@
     DumpstateService dss;
 };
 
-TEST_F(DumpstateServiceTest, SetListenerNoName) {
-    sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
-    sp<IDumpstateToken> token;
-    EXPECT_TRUE(dss.setListener("", listener, /* getSectionDetails = */ false, &token).isOk());
-    ASSERT_THAT(token, IsNull());
-}
-
-TEST_F(DumpstateServiceTest, SetListenerNoPointer) {
-    sp<IDumpstateToken> token;
-    EXPECT_TRUE(
-        dss.setListener("whatever", nullptr, /* getSectionDetails = */ false, &token).isOk());
-    ASSERT_THAT(token, IsNull());
-}
-
-TEST_F(DumpstateServiceTest, SetListenerTwice) {
-    sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
-    sp<IDumpstateToken> token;
-    EXPECT_TRUE(
-        dss.setListener("whatever", listener, /* getSectionDetails = */ false, &token).isOk());
-    ASSERT_THAT(token, NotNull());
-    EXPECT_THAT(Dumpstate::GetInstance().listener_name_, StrEq("whatever"));
-    EXPECT_FALSE(Dumpstate::GetInstance().report_section_);
-
-    token.clear();
-    EXPECT_TRUE(
-        dss.setListener("whatsoever", listener, /* getSectionDetails = */ false, &token).isOk());
-    ASSERT_THAT(token, IsNull());
-    EXPECT_THAT(Dumpstate::GetInstance().listener_name_, StrEq("whatever"));
-    EXPECT_FALSE(Dumpstate::GetInstance().report_section_);
-}
-
-TEST_F(DumpstateServiceTest, SetListenerWithSectionDetails) {
-    sp<DumpstateListenerMock> listener(new DumpstateListenerMock());
-    sp<IDumpstateToken> token;
-    Dumpstate::GetInstance().listener_ = nullptr;
-    EXPECT_TRUE(
-        dss.setListener("whatever", listener, /* getSectionDetails = */ true, &token).isOk());
-    ASSERT_THAT(token, NotNull());
-    EXPECT_THAT(Dumpstate::GetInstance().listener_name_, StrEq("whatever"));
-    EXPECT_TRUE(Dumpstate::GetInstance().report_section_);
-}
-
 class ProgressTest : public DumpstateBaseTest {
   public:
     Progress GetInstance(int32_t max, double growth_factor, const std::string& path = "") {
diff --git a/cmds/dumpsys/tests/dumpsys_test.cpp b/cmds/dumpsys/tests/dumpsys_test.cpp
index cf4e0b5..b9395ba 100644
--- a/cmds/dumpsys/tests/dumpsys_test.cpp
+++ b/cmds/dumpsys/tests/dumpsys_test.cpp
@@ -54,6 +54,7 @@
     MOCK_METHOD4(addService, status_t(const String16&, const sp<IBinder>&, bool, int));
     MOCK_METHOD1(listServices, Vector<String16>(int));
     MOCK_METHOD1(waitForService, sp<IBinder>(const String16&));
+    MOCK_METHOD1(isDeclared, bool(const String16&));
   protected:
     MOCK_METHOD0(onAsBinder, IBinder*());
 };
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index 9344368..91e89ae 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -34,11 +34,7 @@
 namespace android {
 
 #ifndef VENDORSERVICEMANAGER
-static bool meetsDeclarationRequirements(const sp<IBinder>& binder, const std::string& name) {
-    if (!Stability::requiresVintfDeclaration(binder)) {
-        return true;
-    }
-
+static bool isVintfDeclared(const std::string& name) {
     size_t firstSlash = name.find('/');
     size_t lastDot = name.rfind('.', firstSlash);
     if (firstSlash == std::string::npos || lastDot == std::string::npos) {
@@ -62,6 +58,14 @@
                << " in the VINTF manifest.";
     return false;
 }
+
+static bool meetsDeclarationRequirements(const sp<IBinder>& binder, const std::string& name) {
+    if (!Stability::requiresVintfDeclaration(binder)) {
+        return true;
+    }
+
+    return isVintfDeclared(name);
+}
 #endif  // !VENDORSERVICEMANAGER
 
 ServiceManager::ServiceManager(std::unique_ptr<Access>&& access) : mAccess(std::move(access)) {}
@@ -165,7 +169,7 @@
 #endif  // !VENDORSERVICEMANAGER
 
     // implicitly unlinked when the binder is removed
-    if (OK != binder->linkToDeath(this)) {
+    if (binder->remoteBinder() != nullptr && binder->linkToDeath(this) != OK) {
         LOG(ERROR) << "Could not linkToDeath when adding " << name;
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
@@ -270,6 +274,21 @@
     return Status::ok();
 }
 
+Status ServiceManager::isDeclared(const std::string& name, bool* outReturn) {
+    auto ctx = mAccess->getCallingContext();
+
+    if (!mAccess->canFind(ctx, name)) {
+        return Status::fromExceptionCode(Status::EX_SECURITY);
+    }
+
+    *outReturn = false;
+
+#ifndef VENDORSERVICEMANAGER
+    *outReturn = isVintfDeclared(name);
+#endif
+    return Status::ok();
+}
+
 void ServiceManager::removeCallback(const wp<IBinder>& who,
                                     CallbackMap::iterator* it,
                                     bool* found) {
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
index 006e519..7dcdaa4 100644
--- a/cmds/servicemanager/ServiceManager.h
+++ b/cmds/servicemanager/ServiceManager.h
@@ -40,6 +40,7 @@
                                             const sp<IServiceCallback>& callback) override;
     binder::Status unregisterForNotifications(const std::string& name,
                                               const sp<IServiceCallback>& callback) override;
+    binder::Status isDeclared(const std::string& name, bool* outReturn) override;
 
     void binderDied(const wp<IBinder>& who) override;
 
diff --git a/cmds/servicemanager/main.cpp b/cmds/servicemanager/main.cpp
index 11d43a6..4b12fc6 100644
--- a/cmds/servicemanager/main.cpp
+++ b/cmds/servicemanager/main.cpp
@@ -23,11 +23,12 @@
 #include "Access.h"
 #include "ServiceManager.h"
 
-using ::android::sp;
-using ::android::ProcessState;
-using ::android::IPCThreadState;
-using ::android::ServiceManager;
 using ::android::Access;
+using ::android::IPCThreadState;
+using ::android::ProcessState;
+using ::android::ServiceManager;
+using ::android::os::IServiceManager;
+using ::android::sp;
 
 int main(int argc, char** argv) {
     if (argc > 2) {
@@ -41,6 +42,10 @@
     ps->setCallRestriction(ProcessState::CallRestriction::FATAL_IF_NOT_ONEWAY);
 
     sp<ServiceManager> manager = new ServiceManager(std::make_unique<Access>());
+    if (!manager->addService("manager", manager, false /*allowIsolated*/, IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT).isOk()) {
+        LOG(ERROR) << "Could not self register servicemanager";
+    }
+
     IPCThreadState::self()->setTheContextObject(manager);
     ps->becomeContextManager(nullptr, nullptr);
 
diff --git a/headers/media_plugin/media/cas/CasAPI.h b/headers/media_plugin/media/cas/CasAPI.h
index c87ee56..8cc9d36 100644
--- a/headers/media_plugin/media/cas/CasAPI.h
+++ b/headers/media_plugin/media/cas/CasAPI.h
@@ -56,6 +56,11 @@
         size_t size,
         const CasSessionId *sessionId);
 
+typedef void (*CasPluginStatusCallback)(
+        void *appData,
+        int32_t event,
+        int32_t arg);
+
 struct CasFactory {
     CasFactory() {}
     virtual ~CasFactory() {}
@@ -91,6 +96,10 @@
     CasPlugin() {}
     virtual ~CasPlugin() {}
 
+    // Provide a callback to report plugin status
+    virtual status_t setStatusCallback(
+            CasPluginStatusCallback callback) = 0;
+
     // Provide the CA private data from a CA_descriptor in the conditional
     // access table to a CasPlugin.
     virtual status_t setPrivateData(
@@ -100,6 +109,11 @@
     // streams.
     virtual status_t openSession(CasSessionId *sessionId) = 0;
 
+    // Open a session with intend and mode for descrambling a program, or one
+    // or more elementary streams.
+    virtual status_t openSession(uint32_t intent, uint32_t mode,
+                                     CasSessionId *sessionId) = 0;
+
     // Close a previously opened session.
     virtual status_t closeSession(const CasSessionId &sessionId) = 0;
 
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index c056c97..1822e4a 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -60,14 +60,14 @@
  * in StructLayout_test should be made.
  */
 struct InputMessage {
-    enum {
-        TYPE_KEY = 1,
-        TYPE_MOTION = 2,
-        TYPE_FINISHED = 3,
+    enum class Type : uint32_t {
+        KEY,
+        MOTION,
+        FINISHED,
     };
 
     struct Header {
-        uint32_t type;
+        Type type; // 4 bytes
         // We don't need this field in order to align the body below but we
         // leave it here because InputMessage::size() and other functions
         // compute the size of this structure as sizeof(Header) + sizeof(Body).
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 643a956..7ee4882 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -73,6 +73,7 @@
     // or dessert updates. Instead, apex users should use libbinder_ndk.
     apex_available: [
         "//apex_available:platform",
+        "com.android.vndk.current",
         // TODO(b/139016109) remove these three
         "com.android.media.swcodec",
         "test_com.android.media.swcodec",
@@ -164,3 +165,16 @@
     ],
     path: "aidl",
 }
+
+aidl_interface {
+    name: "libbinder_aidl_test_stub",
+    local_include_dir: "aidl",
+    srcs: [":libbinder_aidl"],
+    visibility: [":__subpackages__"],
+    vendor_available: true,
+    backend: {
+        java: {
+            enabled: false,
+        },
+    },
+}
diff --git a/libs/binder/AppOpsManager.cpp b/libs/binder/AppOpsManager.cpp
index 9da9c13..60f047f 100644
--- a/libs/binder/AppOpsManager.cpp
+++ b/libs/binder/AppOpsManager.cpp
@@ -115,18 +115,23 @@
 }
 
 int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage) {
-    return noteOp(op, uid, callingPackage, String16("noteOp from native code"));
+    return noteOp(op, uid, callingPackage, String16(), String16());
 }
 
 int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage,
-        const String16& message) {
+        const String16& featureId, const String16& message) {
     sp<IAppOpsService> service = getService();
     int32_t mode = service != nullptr
             ? service->noteOperation(op, uid, callingPackage)
             : APP_OPS_MANAGER_UNAVAILABLE_MODE;
 
     if (mode == AppOpsManager::MODE_ALLOWED) {
-        markAppOpNoted(uid, callingPackage, op, message);
+        if (message.size() == 0) {
+            markAppOpNoted(uid, callingPackage, op, featureId,
+                    String16("noteOp from native code"));
+        } else {
+            markAppOpNoted(uid, callingPackage, op, featureId, message);
+        }
     }
 
     return mode;
@@ -134,19 +139,23 @@
 
 int32_t AppOpsManager::startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
         bool startIfModeDefault) {
-    return startOpNoThrow(op, uid, callingPackage, startIfModeDefault,
-            String16("startOpNoThrow from native code"));
+    return startOpNoThrow(op, uid, callingPackage, startIfModeDefault, String16(), String16());
 }
 
 int32_t AppOpsManager::startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
-        bool startIfModeDefault, const String16& message) {
+        bool startIfModeDefault, const String16& featureId, const String16& message) {
     sp<IAppOpsService> service = getService();
     int32_t mode = service != nullptr
             ? service->startOperation(getToken(service), op, uid, callingPackage,
                     startIfModeDefault) : APP_OPS_MANAGER_UNAVAILABLE_MODE;
 
     if (mode == AppOpsManager::MODE_ALLOWED) {
-        markAppOpNoted(uid, callingPackage, op, message);
+        if (message.size() == 0) {
+            markAppOpNoted(uid, callingPackage, op, featureId,
+                    String16("startOp from native code"));
+        } else {
+            markAppOpNoted(uid, callingPackage, op, featureId, message);
+        }
     }
 
     return mode;
@@ -198,7 +207,7 @@
 }
 
 void AppOpsManager::markAppOpNoted(int32_t uid, const String16& packageName, int32_t opCode,
-         const String16& message) {
+         const String16& featureId, const String16& message) {
     // check it the appops needs to be collected and cache result
     if (appOpsToNote[opCode] == 0) {
         if (shouldCollectNotes(opCode)) {
@@ -212,14 +221,16 @@
         return;
     }
 
-    noteAsyncOp(String16(), uid, packageName, opCode, message);
+    noteAsyncOp(String16(), uid, packageName, opCode, featureId, message);
 }
 
 void AppOpsManager::noteAsyncOp(const String16& callingPackageName, int32_t uid,
-         const String16& packageName, int32_t opCode, const String16& message) {
+         const String16& packageName, int32_t opCode, const String16& featureId,
+         const String16& message) {
     sp<IAppOpsService> service = getService();
     if (service != nullptr) {
-        return service->noteAsyncOp(callingPackageName, uid, packageName, opCode, message);
+        return service->noteAsyncOp(callingPackageName, uid, packageName, opCode, featureId,
+                message);
     }
 }
 
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
index 6c16c2d..9760e13 100644
--- a/libs/binder/IAppOpsService.cpp
+++ b/libs/binder/IAppOpsService.cpp
@@ -145,7 +145,8 @@
     }
 
     virtual void noteAsyncOp(const String16& callingPackageName, int32_t uid,
-            const String16& packageName, int32_t opCode, const String16& message) {
+            const String16& packageName, int32_t opCode, const String16& featureId,
+            const String16& message) {
         Parcel data, reply;
         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
 
@@ -166,6 +167,14 @@
         }
 
         data.writeInt32(opCode);
+
+        // Convert empty featureId into null string
+        if (featureId.size() != 0) {
+            data.writeString16(featureId);
+        } else {
+            data.writeString16(nullptr, 0);
+        }
+
         data.writeString16(message);
         remote()->transact(NOTE_ASYNC_OP_TRANSACTION, data, &reply);
     }
@@ -291,8 +300,9 @@
             int32_t uid = data.readInt32();
             String16 packageName = data.readString16();
             int32_t opCode = data.readInt32();
+            String16 featureId = data.readString16();
             String16 message = data.readString16();
-            noteAsyncOp(callingPackageName, uid, packageName, opCode, message);
+            noteAsyncOp(callingPackageName, uid, packageName, opCode, featureId, message);
             reply->writeNoException();
             return NO_ERROR;
         } break;
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index a30df14..4f47db1 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -72,6 +72,7 @@
                         bool allowIsolated, int dumpsysPriority) override;
     Vector<String16> listServices(int dumpsysPriority) override;
     sp<IBinder> waitForService(const String16& name16) override;
+    bool isDeclared(const String16& name) override;
 
     // for legacy ABI
     const String16& getInterfaceDescriptor() const override {
@@ -321,4 +322,12 @@
     }
 }
 
+bool ServiceManagerShim::isDeclared(const String16& name) {
+    bool declared;
+    if (!mTheRealServiceManager->isDeclared(String8(name).c_str(), &declared).isOk()) {
+        return false;
+    }
+    return declared;
+}
+
 } // namespace android
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index b70e57d..7219b47 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -505,7 +505,7 @@
     }
 }
 
-#if defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#if defined(__ANDROID_APEX_COM_ANDROID_VNDK_CURRENT__) || (defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__))
 constexpr int32_t kHeader = B_PACK_CHARS('V', 'N', 'D', 'R');
 #else
 constexpr int32_t kHeader = B_PACK_CHARS('S', 'Y', 'S', 'T');
@@ -2562,11 +2562,13 @@
             if (objectsSize == 0) {
                 free(mObjects);
                 mObjects = nullptr;
+                mObjectsCapacity = 0;
             } else {
                 binder_size_t* objects =
                     (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t));
                 if (objects) {
                     mObjects = objects;
+                    mObjectsCapacity = objectsSize;
                 }
             }
             mObjectsSize = objectsSize;
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 6971c72..3f47f3b 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -188,6 +188,30 @@
     return count;
 }
 
+// Queries the driver for the current strong reference count of the node
+// that the handle points to. Can only be used by the servicemanager.
+//
+// Returns -1 in case of failure, otherwise the strong reference count.
+ssize_t ProcessState::getStrongRefCountForNodeByHandle(int32_t handle) {
+    binder_node_info_for_ref info;
+    memset(&info, 0, sizeof(binder_node_info_for_ref));
+
+    info.handle = handle;
+
+    status_t result = ioctl(mDriverFD, BINDER_GET_NODE_INFO_FOR_REF, &info);
+
+    if (result != OK) {
+        static bool logged = false;
+        if (!logged) {
+          ALOGW("Kernel does not support BINDER_GET_NODE_INFO_FOR_REF.");
+          logged = true;
+        }
+        return -1;
+    }
+
+    return info.strong_count;
+}
+
 void ProcessState::setCallRestriction(CallRestriction restriction) {
     LOG_ALWAYS_FATAL_IF(IPCThreadState::selfOrNull() != nullptr,
         "Call restrictions must be set before the threadpool is started.");
diff --git a/libs/binder/aidl/android/os/IServiceManager.aidl b/libs/binder/aidl/android/os/IServiceManager.aidl
index 60c2cce..8c7ebba 100644
--- a/libs/binder/aidl/android/os/IServiceManager.aidl
+++ b/libs/binder/aidl/android/os/IServiceManager.aidl
@@ -31,22 +31,22 @@
      * Must update values in IServiceManager.h
      */
     /* Allows services to dump sections according to priorities. */
-    const int DUMP_FLAG_PRIORITY_CRITICAL = 1; // 1 << 0
-    const int DUMP_FLAG_PRIORITY_HIGH = 2; // 1 << 1
-    const int DUMP_FLAG_PRIORITY_NORMAL = 4; // 1 << 2
+    const int DUMP_FLAG_PRIORITY_CRITICAL = 1 << 0;
+    const int DUMP_FLAG_PRIORITY_HIGH = 1 << 1;
+    const int DUMP_FLAG_PRIORITY_NORMAL = 1 << 2;
     /**
      * Services are by default registered with a DEFAULT dump priority. DEFAULT priority has the
      * same priority as NORMAL priority but the services are not called with dump priority
      * arguments.
      */
-    const int DUMP_FLAG_PRIORITY_DEFAULT = 8; // 1 << 3
+    const int DUMP_FLAG_PRIORITY_DEFAULT = 1 << 3;
 
     const int DUMP_FLAG_PRIORITY_ALL = 15;
              // DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_HIGH
              // | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PRIORITY_DEFAULT;
 
     /* Allows services to dump sections in protobuf format. */
-    const int DUMP_FLAG_PROTO = 16; // 1 << 4
+    const int DUMP_FLAG_PROTO = 1 << 4;
 
     /**
      * Retrieve an existing service called @a name from the
@@ -89,4 +89,11 @@
      * Unregisters all requests for notifications for a specific callback.
      */
     void unregisterForNotifications(@utf8InCpp String name, IServiceCallback callback);
+
+    /**
+     * Returns whether a given interface is declared on the device, even if it
+     * is not started yet. For instance, this could be a service declared in the VINTF
+     * manifest.
+     */
+    boolean isDeclared(@utf8InCpp String name);
 }
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 0ab40b8..2744ce1 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -130,16 +130,17 @@
     int32_t checkOp(int32_t op, int32_t uid, const String16& callingPackage);
     int32_t checkAudioOpNoThrow(int32_t op, int32_t usage, int32_t uid,
             const String16& callingPackage);
-    // @Deprecated, use noteOp(int32_t, int32_t uid, const String16&, const String16&) instead
+    // @Deprecated, use noteOp(int32_t, int32_t uid, const String16&, const String16&,
+    //              const String16&) instead
     int32_t noteOp(int32_t op, int32_t uid, const String16& callingPackage);
     int32_t noteOp(int32_t op, int32_t uid, const String16& callingPackage,
-            const String16& message);
-    // @Deprecated, use startOpNoThrow(int32_t, int32_t, const String16&, bool, const String16&)
-    // instead
+            const String16& featureId, const String16& message);
+    // @Deprecated, use startOpNoThrow(int32_t, int32_t, const String16&, bool, const String16&,
+    //              const String16&) instead
     int32_t startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
             bool startIfModeDefault);
     int32_t startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
-            bool startIfModeDefault, const String16& message);
+            bool startIfModeDefault, const String16& featureId, const String16& message);
     void finishOp(int32_t op, int32_t uid, const String16& callingPackage);
     void startWatchingMode(int32_t op, const String16& packageName,
             const sp<IAppOpsCallback>& callback);
@@ -147,7 +148,7 @@
     int32_t permissionToOpCode(const String16& permission);
     void setCameraAudioRestriction(int32_t mode);
     void noteAsyncOp(const String16& callingPackageName, int32_t uid, const String16& packageName,
-            int32_t opCode, const String16& message);
+            int32_t opCode, const String16& featureId, const String16& message);
 
 private:
     Mutex mLock;
@@ -155,7 +156,7 @@
 
     sp<IAppOpsService> getService();
     void markAppOpNoted(int32_t uid, const String16& packageName, int32_t opCode,
-            const String16& message);
+            const String16& featureId, const String16& message);
     bool shouldCollectNotes(int32_t opCode);
 };
 
diff --git a/libs/binder/include/binder/IAppOpsService.h b/libs/binder/include/binder/IAppOpsService.h
index 8b8a3c2..ad34bc5 100644
--- a/libs/binder/include/binder/IAppOpsService.h
+++ b/libs/binder/include/binder/IAppOpsService.h
@@ -49,7 +49,8 @@
             const String16& packageName) = 0;
     virtual void setCameraAudioRestriction(int32_t mode) = 0;
     virtual void noteAsyncOp(const String16& callingPackageName, int32_t uid,
-            const String16& packageName, int32_t opCode, const String16& message) = 0;
+            const String16& packageName, int32_t opCode, const String16& featureId,
+            const String16& message) = 0;
     virtual bool shouldCollectNotes(int32_t opCode) = 0;
 
     enum {
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index a675513..4a44c5a 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -88,6 +88,14 @@
      * Returns nullptr only for permission problem or fatal error.
      */
     virtual sp<IBinder> waitForService(const String16& name) = 0;
+
+    /**
+     * Check if a service is declared (e.g. VINTF manifest).
+     *
+     * If this returns true, waitForService should always be able to return the
+     * service.
+     */
+    virtual bool isDeclared(const String16& name) = 0;
 };
 
 sp<IServiceManager> defaultServiceManager();
@@ -99,6 +107,13 @@
 }
 
 template<typename INTERFACE>
+sp<INTERFACE> waitForDeclaredService(const String16& name) {
+    const sp<IServiceManager> sm = defaultServiceManager();
+    if (!sm->isDeclared(name)) return nullptr;
+    return interface_cast<INTERFACE>(sm->waitForService(name));
+}
+
+template<typename INTERFACE>
 status_t getService(const String16& name, sp<INTERFACE>* outService)
 {
     const sp<IServiceManager> sm = defaultServiceManager();
diff --git a/libs/binder/include/binder/ProcessState.h b/libs/binder/include/binder/ProcessState.h
index f7c38f4..e57ff1c 100644
--- a/libs/binder/include/binder/ProcessState.h
+++ b/libs/binder/include/binder/ProcessState.h
@@ -69,6 +69,14 @@
 
             ssize_t             getKernelReferences(size_t count, uintptr_t* buf);
 
+                                // Only usable by the context manager.
+                                // This refcount includes:
+                                // 1. Strong references to the node by this and other processes
+                                // 2. Temporary strong references held by the kernel during a
+                                //    transaction on the node.
+                                // It does NOT include local strong references to the node
+            ssize_t             getStrongRefCountForNodeByHandle(int32_t handle);
+
             enum class CallRestriction {
                 // all calls okay
                 NONE,
diff --git a/libs/binder/include/binder/Stability.h b/libs/binder/include/binder/Stability.h
index 2894482..b2f51d3 100644
--- a/libs/binder/include/binder/Stability.h
+++ b/libs/binder/include/binder/Stability.h
@@ -81,7 +81,7 @@
         VINTF = 0b111111,
     };
 
-#if defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#if defined(__ANDROID_APEX_COM_ANDROID_VNDK_CURRENT__) || (defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__))
     static constexpr Level kLocalStability = Level::VENDOR;
 #else
     static constexpr Level kLocalStability = Level::SYSTEM;
diff --git a/libs/binder/ndk/include_platform/android/binder_stability.h b/libs/binder/ndk/include_platform/android/binder_stability.h
index e1a8cfd..2a4ded8 100644
--- a/libs/binder/ndk/include_platform/android/binder_stability.h
+++ b/libs/binder/ndk/include_platform/android/binder_stability.h
@@ -30,7 +30,8 @@
     FLAG_PRIVATE_VENDOR = 0x10000000,
 };
 
-#if (defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__))
+#if defined(__ANDROID_APEX_COM_ANDROID_VNDK_CURRENT__) || \
+        (defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__))
 
 enum {
     FLAG_PRIVATE_LOCAL = FLAG_PRIVATE_VENDOR,
@@ -45,7 +46,8 @@
     AIBinder_markVendorStability(binder);
 }
 
-#else  // defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#else  // defined(__ANDROID_APEX_COM_ANDROID_VNDK_CURRENT__) || (defined(__ANDROID_VNDK__) &&
+       // !defined(__ANDROID_APEX__))
 
 enum {
     FLAG_PRIVATE_LOCAL = 0,
@@ -60,7 +62,8 @@
     AIBinder_markSystemStability(binder);
 }
 
-#endif  // defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#endif  // defined(__ANDROID_APEX_COM_ANDROID_VNDK_CURRENT__) || (defined(__ANDROID_VNDK__) &&
+        // !defined(__ANDROID_APEX__))
 
 /**
  * This interface has system<->vendor stability
diff --git a/libs/binder/ndk/test/Android.bp b/libs/binder/ndk/test/Android.bp
index 1c5dba3..ebd08b2 100644
--- a/libs/binder/ndk/test/Android.bp
+++ b/libs/binder/ndk/test/Android.bp
@@ -77,6 +77,7 @@
     static_libs: [
         "IBinderVendorDoubleLoadTest-cpp",
         "IBinderVendorDoubleLoadTest-ndk_platform",
+        "libbinder_aidl_test_stub-ndk_platform",
     ],
     shared_libs: [
         "libbase",
diff --git a/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp b/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp
index f72dc36..d3ccdc2 100644
--- a/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp
+++ b/libs/binder/ndk/test/binderVendorDoubleLoadTest.cpp
@@ -16,6 +16,7 @@
 
 #include <BnBinderVendorDoubleLoadTest.h>
 #include <aidl/BnBinderVendorDoubleLoadTest.h>
+#include <aidl/android/os/IServiceManager.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
 #include <android-base/strings.h>
@@ -109,6 +110,24 @@
     }
 }
 
+TEST(DoubleBinder, CallIntoSystemStabilityNdk) {
+    // picking an arbitrary system service
+    SpAIBinder binder = SpAIBinder(AServiceManager_checkService("manager"));
+    ASSERT_NE(nullptr, binder.get());
+
+    // can make stable transaction to system server
+    EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get()));
+
+    using aidl::android::os::IServiceManager;
+    std::shared_ptr<IServiceManager> manager = IServiceManager::fromBinder(binder);
+    ASSERT_NE(nullptr, manager.get());
+
+    std::vector<std::string> services;
+    ASSERT_EQ(
+            STATUS_BAD_TYPE,
+            manager->listServices(IServiceManager::DUMP_FLAG_PRIORITY_ALL, &services).getStatus());
+}
+
 void initDrivers() {
     // Explicitly instantiated with the same driver that system would use.
     // __ANDROID_VNDK__ right now uses /dev/vndbinder by default.
diff --git a/libs/binder/tests/binderStabilityTest.cpp b/libs/binder/tests/binderStabilityTest.cpp
index 0bee56c..1f2779a 100644
--- a/libs/binder/tests/binderStabilityTest.cpp
+++ b/libs/binder/tests/binderStabilityTest.cpp
@@ -134,18 +134,15 @@
 TEST(BinderStability, VintfStabilityServerMustBeDeclaredInManifest) {
     sp<IBinder> vintfServer = BadStableBinder::vintf();
 
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("."), vintfServer));
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("/"), vintfServer));
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("/."), vintfServer));
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("a.d.IFoo"), vintfServer));
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("foo"), vintfServer));
-    EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
-        android::defaultServiceManager()->addService(String16("a.d.IFoo/foo"), vintfServer));
+    for (const char* instance8 : {
+        ".", "/", "/.", "a.d.IFoo", "foo", "a.d.IFoo/foo"
+    }) {
+        String16 instance (instance8);
+
+        EXPECT_EQ(Status::EX_ILLEGAL_ARGUMENT,
+            android::defaultServiceManager()->addService(String16("."), vintfServer)) << instance8;
+        EXPECT_FALSE(android::defaultServiceManager()->isDeclared(instance)) << instance8;
+    }
 }
 
 TEST(BinderStability, CantCallVendorBinderInSystemContext) {
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index e6d442d..b360a26 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -17,8 +17,16 @@
     export_include_dirs: ["include"],
 
     // we must build this module to get the required header as that is generated
-    export_shared_lib_headers: [ "android.hidl.token@1.0-utils" ],
-    shared_libs: [ "android.hidl.token@1.0-utils" ],
+    export_shared_lib_headers: [
+        "android.hidl.token@1.0-utils",
+        "android.hardware.graphics.bufferqueue@1.0",
+        "android.hardware.graphics.bufferqueue@2.0",
+    ],
+    shared_libs: [
+        "android.hidl.token@1.0-utils",
+        "android.hardware.graphics.bufferqueue@1.0",
+        "android.hardware.graphics.bufferqueue@2.0",
+    ],
 }
 
 cc_library_shared {
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 5fb3f0b..c1d92a2 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -43,6 +43,27 @@
     }
 }
 
+void BufferQueue::ProxyConsumerListener::onFrameDequeued(const uint64_t bufferId) {
+    sp<ConsumerListener> listener(mConsumerListener.promote());
+    if (listener != nullptr) {
+        listener->onFrameDequeued(bufferId);
+    }
+}
+
+void BufferQueue::ProxyConsumerListener::onFrameCancelled(const uint64_t bufferId) {
+    sp<ConsumerListener> listener(mConsumerListener.promote());
+    if (listener != nullptr) {
+        listener->onFrameCancelled(bufferId);
+    }
+}
+
+void BufferQueue::ProxyConsumerListener::onFrameDetached(const uint64_t bufferId) {
+    sp<ConsumerListener> listener(mConsumerListener.promote());
+    if (listener != nullptr) {
+        listener->onFrameDetached(bufferId);
+    }
+}
+
 void BufferQueue::ProxyConsumerListener::onFrameAvailable(
         const BufferItem& item) {
     sp<ConsumerListener> listener(mConsumerListener.promote());
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 5674674..09c74de 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -580,6 +580,11 @@
     }
     addAndGetFrameTimestamps(nullptr, outTimestamps);
 
+    { // Autolock scope
+        std::lock_guard<std::mutex> lock(mCore->mMutex);
+        mCore->mConsumerListener->onFrameDequeued(mSlots[*outSlot].mGraphicBuffer->getId());
+    }
+
     return returnFlags;
 }
 
@@ -621,13 +626,16 @@
             return BAD_VALUE;
         }
 
+        listener = mCore->mConsumerListener;
+        if (listener != nullptr) {
+            listener->onFrameDetached(mSlots[slot].mGraphicBuffer->getId());
+        }
         mSlots[slot].mBufferState.detachProducer();
         mCore->mActiveBuffers.erase(slot);
         mCore->mFreeSlots.insert(slot);
         mCore->clearBufferSlotLocked(slot);
         mCore->mDequeueCondition.notify_all();
         VALIDATE_CONSISTENCY();
-        listener = mCore->mConsumerListener;
     }
 
     if (listener != nullptr) {
@@ -1083,6 +1091,9 @@
         mCore->mFreeBuffers.push_back(slot);
     }
 
+    if (mCore->mConsumerListener != nullptr) {
+        mCore->mConsumerListener->onFrameCancelled(mSlots[slot].mGraphicBuffer->getId());
+    }
     mSlots[slot].mFence = fence;
     mCore->mDequeueCondition.notify_all();
     VALIDATE_CONSISTENCY();
diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index abd9921..9f91d9d 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -101,6 +101,48 @@
     mSlots[slotIndex].mFrameNumber = 0;
 }
 
+void ConsumerBase::onFrameDequeued(const uint64_t bufferId) {
+    CB_LOGV("onFrameDequeued");
+
+    sp<FrameAvailableListener> listener;
+    {
+        Mutex::Autolock lock(mFrameAvailableMutex);
+        listener = mFrameAvailableListener.promote();
+    }
+
+    if (listener != nullptr) {
+        listener->onFrameDequeued(bufferId);
+    }
+}
+
+void ConsumerBase::onFrameCancelled(const uint64_t bufferId) {
+    CB_LOGV("onFrameCancelled");
+
+    sp<FrameAvailableListener> listener;
+    {
+        Mutex::Autolock lock(mFrameAvailableMutex);
+        listener = mFrameAvailableListener.promote();
+    }
+
+    if (listener != nullptr) {
+        listener->onFrameCancelled(bufferId);
+    }
+}
+
+void ConsumerBase::onFrameDetached(const uint64_t bufferId) {
+    CB_LOGV("onFrameDetached");
+
+    sp<FrameAvailableListener> listener;
+    {
+        Mutex::Autolock lock(mFrameAvailableMutex);
+        listener = mFrameAvailableListener.promote();
+    }
+
+    if (listener != nullptr) {
+        listener->onFrameDetached(bufferId);
+    }
+}
+
 void ConsumerBase::onFrameAvailable(const BufferItem& item) {
     CB_LOGV("onFrameAvailable");
 
diff --git a/libs/gui/IConsumerListener.cpp b/libs/gui/IConsumerListener.cpp
index 85ac304..48cb4b9 100644
--- a/libs/gui/IConsumerListener.cpp
+++ b/libs/gui/IConsumerListener.cpp
@@ -28,7 +28,10 @@
     ON_FRAME_REPLACED,
     ON_BUFFERS_RELEASED,
     ON_SIDEBAND_STREAM_CHANGED,
-    LAST = ON_SIDEBAND_STREAM_CHANGED,
+    ON_FRAME_DEQUEUED,
+    ON_FRAME_CANCELLED,
+    ON_FRAME_DETACHED,
+    LAST = ON_FRAME_DETACHED,
 };
 
 } // Anonymous namespace
@@ -44,6 +47,21 @@
         callRemoteAsync<decltype(&IConsumerListener::onDisconnect)>(Tag::ON_DISCONNECT);
     }
 
+    void onFrameDequeued(const uint64_t bufferId) override {
+        callRemoteAsync<decltype(&IConsumerListener::onFrameDequeued)>(Tag::ON_FRAME_DEQUEUED,
+                                                                       bufferId);
+    }
+
+    void onFrameDetached(const uint64_t bufferId) override {
+        callRemoteAsync<decltype(&IConsumerListener::onFrameDetached)>(Tag::ON_FRAME_DETACHED,
+                                                                       bufferId);
+    }
+
+    void onFrameCancelled(const uint64_t bufferId) override {
+        callRemoteAsync<decltype(&IConsumerListener::onFrameCancelled)>(Tag::ON_FRAME_CANCELLED,
+                                                                        bufferId);
+    }
+
     void onFrameAvailable(const BufferItem& item) override {
         callRemoteAsync<decltype(&IConsumerListener::onFrameAvailable)>(Tag::ON_FRAME_AVAILABLE,
                                                                         item);
@@ -93,6 +111,12 @@
             return callLocalAsync(data, reply, &IConsumerListener::onBuffersReleased);
         case Tag::ON_SIDEBAND_STREAM_CHANGED:
             return callLocalAsync(data, reply, &IConsumerListener::onSidebandStreamChanged);
+        case Tag::ON_FRAME_DEQUEUED:
+            return callLocalAsync(data, reply, &IConsumerListener::onFrameDequeued);
+        case Tag::ON_FRAME_CANCELLED:
+            return callLocalAsync(data, reply, &IConsumerListener::onFrameCancelled);
+        case Tag::ON_FRAME_DETACHED:
+            return callLocalAsync(data, reply, &IConsumerListener::onFrameDetached);
     }
 }
 
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index acda600..e5e25aa 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -48,6 +48,7 @@
     } else {
         err = output->writeBool(false);
     }
+    err = output->writeUint32(transformHint);
     return err;
 }
 
@@ -72,7 +73,8 @@
             return err;
         }
     }
-    return NO_ERROR;
+    err = input->readUint32(&transformHint);
+    return err;
 }
 
 status_t TransactionStats::writeToParcel(Parcel* output) const {
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 7b256f5..e9079ef 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -222,7 +222,8 @@
             for (const auto& surfaceStats : transactionStats.surfaceStats) {
                 surfaceControlStats.emplace_back(surfaceControls[surfaceStats.surfaceControl],
                                                  surfaceStats.acquireTime,
-                                                 surfaceStats.previousReleaseFence);
+                                                 surfaceStats.previousReleaseFence,
+                                                 surfaceStats.transformHint);
             }
 
             callbackFunction(transactionStats.latchTime, transactionStats.presentFence,
diff --git a/libs/gui/include/gui/BufferQueue.h b/libs/gui/include/gui/BufferQueue.h
index da95274..91f80d2 100644
--- a/libs/gui/include/gui/BufferQueue.h
+++ b/libs/gui/include/gui/BufferQueue.h
@@ -63,6 +63,9 @@
         void onFrameReplaced(const BufferItem& item) override;
         void onBuffersReleased() override;
         void onSidebandStreamChanged() override;
+        void onFrameDequeued(const uint64_t bufferId) override;
+        void onFrameCancelled(const uint64_t bufferId) override;
+        void onFrameDetached(const uint64_t bufferID) override;
         void addAndGetFrameTimestamps(
                 const NewFrameEventsEntry* newTimestamps,
                 FrameEventHistoryDelta* outDelta) override;
diff --git a/libs/gui/include/gui/ConsumerBase.h b/libs/gui/include/gui/ConsumerBase.h
index 366ced3..8ff0cd0 100644
--- a/libs/gui/include/gui/ConsumerBase.h
+++ b/libs/gui/include/gui/ConsumerBase.h
@@ -45,6 +45,9 @@
         // See IConsumerListener::onFrame{Available,Replaced}
         virtual void onFrameAvailable(const BufferItem& item) = 0;
         virtual void onFrameReplaced(const BufferItem& /* item */) {}
+        virtual void onFrameDequeued(const uint64_t){};
+        virtual void onFrameCancelled(const uint64_t){};
+        virtual void onFrameDetached(const uint64_t){};
     };
 
     ~ConsumerBase() override;
@@ -141,6 +144,9 @@
     // classes if they want the notification.
     virtual void onFrameAvailable(const BufferItem& item) override;
     virtual void onFrameReplaced(const BufferItem& item) override;
+    virtual void onFrameDequeued(const uint64_t bufferId) override;
+    virtual void onFrameCancelled(const uint64_t bufferId) override;
+    virtual void onFrameDetached(const uint64_t bufferId) override;
     virtual void onBuffersReleased() override;
     virtual void onSidebandStreamChanged() override;
 
diff --git a/libs/gui/include/gui/IConsumerListener.h b/libs/gui/include/gui/IConsumerListener.h
index c082882..046f6e1 100644
--- a/libs/gui/include/gui/IConsumerListener.h
+++ b/libs/gui/include/gui/IConsumerListener.h
@@ -43,6 +43,17 @@
     // onDisconnect is called when a producer disconnects from the BufferQueue.
     virtual void onDisconnect() {} /* Asynchronous */
 
+    // onFrameDequeued is called when a call to the BufferQueueProducer::dequeueBuffer successfully
+    // returns a slot from the BufferQueue.
+    virtual void onFrameDequeued(const uint64_t) {}
+
+    // onFrameCancelled is called when the client calls cancelBuffer, thereby releasing the slot
+    // back to the BufferQueue.
+    virtual void onFrameCancelled(const uint64_t) {}
+
+    // onFrameDetached is called after a successful detachBuffer() call while in asynchronous mode.
+    virtual void onFrameDetached(const uint64_t) {}
+
     // onFrameAvailable is called from queueBuffer each time an additional frame becomes available
     // for consumption. This means that frames that are queued while in asynchronous mode only
     // trigger the callback if no previous frames are pending. Frames queued while in synchronous
diff --git a/libs/gui/include/gui/ITransactionCompletedListener.h b/libs/gui/include/gui/ITransactionCompletedListener.h
index 178ca2d..9c15225 100644
--- a/libs/gui/include/gui/ITransactionCompletedListener.h
+++ b/libs/gui/include/gui/ITransactionCompletedListener.h
@@ -41,12 +41,17 @@
     status_t readFromParcel(const Parcel* input) override;
 
     SurfaceStats() = default;
-    SurfaceStats(const sp<IBinder>& sc, nsecs_t time, const sp<Fence>& prevReleaseFence)
-          : surfaceControl(sc), acquireTime(time), previousReleaseFence(prevReleaseFence) {}
+    SurfaceStats(const sp<IBinder>& sc, nsecs_t time, const sp<Fence>& prevReleaseFence,
+                 uint32_t hint)
+          : surfaceControl(sc),
+            acquireTime(time),
+            previousReleaseFence(prevReleaseFence),
+            transformHint(hint) {}
 
     sp<IBinder> surfaceControl;
     nsecs_t acquireTime = -1;
     sp<Fence> previousReleaseFence;
+    uint32_t transformHint = 0;
 };
 
 class TransactionStats : public Parcelable {
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 6676be4..08f4e9e 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -58,12 +58,16 @@
 
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t time,
-                        const sp<Fence>& prevReleaseFence)
-          : surfaceControl(sc), acquireTime(time), previousReleaseFence(prevReleaseFence) {}
+                        const sp<Fence>& prevReleaseFence, uint32_t hint)
+          : surfaceControl(sc),
+            acquireTime(time),
+            previousReleaseFence(prevReleaseFence),
+            transformHint(hint) {}
 
     sp<SurfaceControl> surfaceControl;
     nsecs_t acquireTime = -1;
     sp<Fence> previousReleaseFence;
+    uint32_t transformHint = 0;
 };
 
 using TransactionCompletedCallbackTakesContext =
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 366c93c..c4f7fe0 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -93,13 +93,12 @@
 bool InputMessage::isValid(size_t actualSize) const {
     if (size() == actualSize) {
         switch (header.type) {
-        case TYPE_KEY:
-            return true;
-        case TYPE_MOTION:
-            return body.motion.pointerCount > 0
-                    && body.motion.pointerCount <= MAX_POINTERS;
-        case TYPE_FINISHED:
-            return true;
+            case Type::KEY:
+                return true;
+            case Type::MOTION:
+                return body.motion.pointerCount > 0 && body.motion.pointerCount <= MAX_POINTERS;
+            case Type::FINISHED:
+                return true;
         }
     }
     return false;
@@ -107,12 +106,12 @@
 
 size_t InputMessage::size() const {
     switch (header.type) {
-    case TYPE_KEY:
-        return sizeof(Header) + body.key.size();
-    case TYPE_MOTION:
-        return sizeof(Header) + body.motion.size();
-    case TYPE_FINISHED:
-        return sizeof(Header) + body.finished.size();
+        case Type::KEY:
+            return sizeof(Header) + body.key.size();
+        case Type::MOTION:
+            return sizeof(Header) + body.motion.size();
+        case Type::FINISHED:
+            return sizeof(Header) + body.finished.size();
     }
     return sizeof(Header);
 }
@@ -129,7 +128,7 @@
 
     // Write the body
     switch(header.type) {
-        case InputMessage::TYPE_KEY: {
+        case InputMessage::Type::KEY: {
             // uint32_t seq
             msg->body.key.seq = body.key.seq;
             // nsecs_t eventTime
@@ -156,7 +155,7 @@
             msg->body.key.downTime = body.key.downTime;
             break;
         }
-        case InputMessage::TYPE_MOTION: {
+        case InputMessage::Type::MOTION: {
             // uint32_t seq
             msg->body.motion.seq = body.motion.seq;
             // nsecs_t eventTime
@@ -212,7 +211,7 @@
             }
             break;
         }
-        case InputMessage::TYPE_FINISHED: {
+        case InputMessage::Type::FINISHED: {
             msg->body.finished.seq = body.finished.seq;
             msg->body.finished.handled = body.finished.handled;
             break;
@@ -457,7 +456,7 @@
     }
 
     InputMessage msg;
-    msg.header.type = InputMessage::TYPE_KEY;
+    msg.header.type = InputMessage::Type::KEY;
     msg.body.key.seq = seq;
     msg.body.key.deviceId = deviceId;
     msg.body.key.source = source;
@@ -511,7 +510,7 @@
     }
 
     InputMessage msg;
-    msg.header.type = InputMessage::TYPE_MOTION;
+    msg.header.type = InputMessage::Type::MOTION;
     msg.body.motion.seq = seq;
     msg.body.motion.deviceId = deviceId;
     msg.body.motion.source = source;
@@ -553,7 +552,7 @@
         *outHandled = false;
         return result;
     }
-    if (msg.header.type != InputMessage::TYPE_FINISHED) {
+    if (msg.header.type != InputMessage::Type::FINISHED) {
         ALOGE("channel '%s' publisher ~ Received unexpected message of type %d from consumer",
                 mChannel->getName().c_str(), msg.header.type);
         return UNKNOWN_ERROR;
@@ -614,59 +613,59 @@
         }
 
         switch (mMsg.header.type) {
-        case InputMessage::TYPE_KEY: {
-            KeyEvent* keyEvent = factory->createKeyEvent();
-            if (!keyEvent) return NO_MEMORY;
+            case InputMessage::Type::KEY: {
+                KeyEvent* keyEvent = factory->createKeyEvent();
+                if (!keyEvent) return NO_MEMORY;
 
-            initializeKeyEvent(keyEvent, &mMsg);
-            *outSeq = mMsg.body.key.seq;
-            *outEvent = keyEvent;
+                initializeKeyEvent(keyEvent, &mMsg);
+                *outSeq = mMsg.body.key.seq;
+                *outEvent = keyEvent;
 #if DEBUG_TRANSPORT_ACTIONS
             ALOGD("channel '%s' consumer ~ consumed key event, seq=%u",
                     mChannel->getName().c_str(), *outSeq);
 #endif
             break;
-        }
+            }
 
-        case InputMessage::TYPE_MOTION: {
-            ssize_t batchIndex = findBatch(mMsg.body.motion.deviceId, mMsg.body.motion.source);
-            if (batchIndex >= 0) {
-                Batch& batch = mBatches.editItemAt(batchIndex);
-                if (canAddSample(batch, &mMsg)) {
-                    batch.samples.push(mMsg);
+            case InputMessage::Type::MOTION: {
+                ssize_t batchIndex = findBatch(mMsg.body.motion.deviceId, mMsg.body.motion.source);
+                if (batchIndex >= 0) {
+                    Batch& batch = mBatches.editItemAt(batchIndex);
+                    if (canAddSample(batch, &mMsg)) {
+                        batch.samples.push(mMsg);
 #if DEBUG_TRANSPORT_ACTIONS
                     ALOGD("channel '%s' consumer ~ appended to batch event",
                             mChannel->getName().c_str());
 #endif
                     break;
-                } else if (isPointerEvent(mMsg.body.motion.source) &&
-                        mMsg.body.motion.action == AMOTION_EVENT_ACTION_CANCEL) {
-                    // No need to process events that we are going to cancel anyways
-                    const size_t count = batch.samples.size();
-                    for (size_t i = 0; i < count; i++) {
-                        const InputMessage& msg = batch.samples.itemAt(i);
-                        sendFinishedSignal(msg.body.motion.seq, false);
-                    }
-                    batch.samples.removeItemsAt(0, count);
-                    mBatches.removeAt(batchIndex);
-                } else {
-                    // We cannot append to the batch in progress, so we need to consume
-                    // the previous batch right now and defer the new message until later.
-                    mMsgDeferred = true;
-                    status_t result = consumeSamples(factory,
-                            batch, batch.samples.size(), outSeq, outEvent);
-                    mBatches.removeAt(batchIndex);
-                    if (result) {
-                        return result;
-                    }
+                    } else if (isPointerEvent(mMsg.body.motion.source) &&
+                               mMsg.body.motion.action == AMOTION_EVENT_ACTION_CANCEL) {
+                        // No need to process events that we are going to cancel anyways
+                        const size_t count = batch.samples.size();
+                        for (size_t i = 0; i < count; i++) {
+                            const InputMessage& msg = batch.samples.itemAt(i);
+                            sendFinishedSignal(msg.body.motion.seq, false);
+                        }
+                        batch.samples.removeItemsAt(0, count);
+                        mBatches.removeAt(batchIndex);
+                    } else {
+                        // We cannot append to the batch in progress, so we need to consume
+                        // the previous batch right now and defer the new message until later.
+                        mMsgDeferred = true;
+                        status_t result = consumeSamples(factory, batch, batch.samples.size(),
+                                                         outSeq, outEvent);
+                        mBatches.removeAt(batchIndex);
+                        if (result) {
+                            return result;
+                        }
 #if DEBUG_TRANSPORT_ACTIONS
                     ALOGD("channel '%s' consumer ~ consumed batch event and "
                             "deferred current event, seq=%u",
                             mChannel->getName().c_str(), *outSeq);
 #endif
                     break;
+                    }
                 }
-            }
 
             // Start a new batch if needed.
             if (mMsg.body.motion.action == AMOTION_EVENT_ACTION_MOVE
@@ -694,7 +693,7 @@
                     mChannel->getName().c_str(), *outSeq);
 #endif
             break;
-        }
+            }
 
         default:
             ALOGE("channel '%s' consumer ~ Received unexpected message of type %d",
@@ -1074,7 +1073,7 @@
 
 status_t InputConsumer::sendUnchainedFinishedSignal(uint32_t seq, bool handled) {
     InputMessage msg;
-    msg.header.type = InputMessage::TYPE_FINISHED;
+    msg.header.type = InputMessage::Type::FINISHED;
     msg.body.finished.seq = seq;
     msg.body.finished.handled = handled;
     return mChannel->sendMessage(&msg);
diff --git a/libs/input/tests/InputChannel_test.cpp b/libs/input/tests/InputChannel_test.cpp
index af74edd..7c331e1 100644
--- a/libs/input/tests/InputChannel_test.cpp
+++ b/libs/input/tests/InputChannel_test.cpp
@@ -86,7 +86,7 @@
     // Server->Client communication
     InputMessage serverMsg;
     memset(&serverMsg, 0, sizeof(InputMessage));
-    serverMsg.header.type = InputMessage::TYPE_KEY;
+    serverMsg.header.type = InputMessage::Type::KEY;
     serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN;
     EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg))
             << "server channel should be able to send message to client channel";
@@ -102,7 +102,7 @@
     // Client->Server communication
     InputMessage clientReply;
     memset(&clientReply, 0, sizeof(InputMessage));
-    clientReply.header.type = InputMessage::TYPE_FINISHED;
+    clientReply.header.type = InputMessage::Type::FINISHED;
     clientReply.body.finished.seq = 0x11223344;
     clientReply.body.finished.handled = true;
     EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply))
@@ -161,7 +161,7 @@
     serverChannel.clear(); // close server channel
 
     InputMessage msg;
-    msg.header.type = InputMessage::TYPE_KEY;
+    msg.header.type = InputMessage::Type::KEY;
     EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg))
             << "sendMessage should have returned DEAD_OBJECT";
 }
@@ -180,7 +180,7 @@
     };
 
     InputMessage serverMsg = {}, clientMsg;
-    serverMsg.header.type = InputMessage::TYPE_MOTION;
+    serverMsg.header.type = InputMessage::Type::MOTION;
     serverMsg.body.motion.seq = 1;
     serverMsg.body.motion.pointerCount = 1;
 
diff --git a/libs/math/include/math/quat.h b/libs/math/include/math/quat.h
index 1936a2b..07573c5 100644
--- a/libs/math/include/math/quat.h
+++ b/libs/math/include/math/quat.h
@@ -109,7 +109,7 @@
 
     // initialize from 4 values to w + xi + yj + zk
     template<typename A, typename B, typename C, typename D>
-    constexpr TQuaternion(A w, B x, C y, D z) : x(x), y(y), z(z), w(w) { }
+    constexpr TQuaternion(A w, B x, C y, D z) : x(static_cast<T>(x)), y(static_cast<T>(y)), z(static_cast<T>(z)), w(static_cast<T>(w)) { }
 
     // initialize from a vec3 + a value to : v.xi + v.yj + v.zk + w
     template<typename A, typename B>
diff --git a/libs/math/include/math/vec2.h b/libs/math/include/math/vec2.h
index a347633..e0adb7f 100644
--- a/libs/math/include/math/vec2.h
+++ b/libs/math/include/math/vec2.h
@@ -89,7 +89,7 @@
     constexpr TVec2(A v) : x(v), y(v) { }
 
     template<typename A, typename B>
-    constexpr TVec2(A x, B y) : x(x), y(y) { }
+    constexpr TVec2(A x, B y) : x(static_cast<T>(x)), y(static_cast<T>(y)) { }
 
     template<typename A>
     explicit
diff --git a/libs/math/include/math/vec3.h b/libs/math/include/math/vec3.h
index 009fd84..21fb684 100644
--- a/libs/math/include/math/vec3.h
+++ b/libs/math/include/math/vec3.h
@@ -86,13 +86,13 @@
 
     // handles implicit conversion to a tvec4. must not be explicit.
     template<typename A, typename = typename std::enable_if<std::is_arithmetic<A>::value >::type>
-    constexpr TVec3(A v) : x(v), y(v), z(v) { }
+    constexpr TVec3(A v) : x(static_cast<T>(v)), y(static_cast<T>(v)), z(static_cast<T>(v)) { }
 
     template<typename A, typename B, typename C>
-    constexpr TVec3(A x, B y, C z) : x(x), y(y), z(z) { }
+    constexpr TVec3(A x, B y, C z) : x(static_cast<T>(x)), y(static_cast<T>(y)), z(static_cast<T>(z)) { }
 
     template<typename A, typename B>
-    constexpr TVec3(const TVec2<A>& v, B z) : x(v.x), y(v.y), z(z) { }
+    constexpr TVec3(const TVec2<A>& v, B z) : x(v.x), y(v.y), z(static_cast<T>(z)) { }
 
     template<typename A>
     explicit
diff --git a/libs/renderengine/RenderEngine.cpp b/libs/renderengine/RenderEngine.cpp
index 166c267..0fdf093 100644
--- a/libs/renderengine/RenderEngine.cpp
+++ b/libs/renderengine/RenderEngine.cpp
@@ -24,23 +24,22 @@
 namespace android {
 namespace renderengine {
 
-std::unique_ptr<impl::RenderEngine> RenderEngine::create(int hwcFormat, uint32_t featureFlags,
-                                                         uint32_t imageCacheSize) {
+std::unique_ptr<impl::RenderEngine> RenderEngine::create(const RenderEngineCreationArgs& args) {
     char prop[PROPERTY_VALUE_MAX];
     property_get(PROPERTY_DEBUG_RENDERENGINE_BACKEND, prop, "gles");
     if (strcmp(prop, "gles") == 0) {
         ALOGD("RenderEngine GLES Backend");
-        return renderengine::gl::GLESRenderEngine::create(hwcFormat, featureFlags, imageCacheSize);
+        return renderengine::gl::GLESRenderEngine::create(args);
     }
     ALOGE("UNKNOWN BackendType: %s, create GLES RenderEngine.", prop);
-    return renderengine::gl::GLESRenderEngine::create(hwcFormat, featureFlags, imageCacheSize);
+    return renderengine::gl::GLESRenderEngine::create(args);
 }
 
 RenderEngine::~RenderEngine() = default;
 
 namespace impl {
 
-RenderEngine::RenderEngine(uint32_t featureFlags) : mFeatureFlags(featureFlags) {}
+RenderEngine::RenderEngine(const RenderEngineCreationArgs& args) : mArgs(args) {}
 
 RenderEngine::~RenderEngine() = default;
 
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index b8cf0ea..15d025b 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -227,8 +227,7 @@
     return err;
 }
 
-std::unique_ptr<GLESRenderEngine> GLESRenderEngine::create(int hwcFormat, uint32_t featureFlags,
-                                                           uint32_t imageCacheSize) {
+std::unique_ptr<GLESRenderEngine> GLESRenderEngine::create(const RenderEngineCreationArgs& args) {
     // initialize EGL for the default display
     EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     if (!eglInitialize(display, nullptr, nullptr)) {
@@ -243,14 +242,13 @@
     // supported.
     EGLConfig config = EGL_NO_CONFIG;
     if (!extensions.hasNoConfigContext()) {
-        config = chooseEglConfig(display, hwcFormat, /*logConfig*/ true);
+        config = chooseEglConfig(display, args.pixelFormat, /*logConfig*/ true);
     }
 
-    bool useContextPriority = extensions.hasContextPriority() &&
-            (featureFlags & RenderEngine::USE_HIGH_PRIORITY_CONTEXT);
+    bool useContextPriority =
+            extensions.hasContextPriority() && args.contextPriority == ContextPriority::HIGH;
     EGLContext protectedContext = EGL_NO_CONTEXT;
-    if ((featureFlags & RenderEngine::ENABLE_PROTECTED_CONTEXT) &&
-        extensions.hasProtectedContent()) {
+    if (args.enableProtectedContext && extensions.hasProtectedContent()) {
         protectedContext = createEglContext(display, config, nullptr, useContextPriority,
                                             Protection::PROTECTED);
         ALOGE_IF(protectedContext == EGL_NO_CONTEXT, "Can't create protected context");
@@ -264,7 +262,8 @@
 
     EGLSurface dummy = EGL_NO_SURFACE;
     if (!extensions.hasSurfacelessContext()) {
-        dummy = createDummyEglPbufferSurface(display, config, hwcFormat, Protection::UNPROTECTED);
+        dummy = createDummyEglPbufferSurface(display, config, args.pixelFormat,
+                                             Protection::UNPROTECTED);
         LOG_ALWAYS_FATAL_IF(dummy == EGL_NO_SURFACE, "can't create dummy pbuffer");
     }
     EGLBoolean success = eglMakeCurrent(display, dummy, dummy, ctxt);
@@ -274,8 +273,8 @@
 
     EGLSurface protectedDummy = EGL_NO_SURFACE;
     if (protectedContext != EGL_NO_CONTEXT && !extensions.hasSurfacelessContext()) {
-        protectedDummy =
-                createDummyEglPbufferSurface(display, config, hwcFormat, Protection::PROTECTED);
+        protectedDummy = createDummyEglPbufferSurface(display, config, args.pixelFormat,
+                                                      Protection::PROTECTED);
         ALOGE_IF(protectedDummy == EGL_NO_SURFACE, "can't create protected dummy pbuffer");
     }
 
@@ -291,9 +290,8 @@
             break;
         case GLES_VERSION_2_0:
         case GLES_VERSION_3_0:
-            engine = std::make_unique<GLESRenderEngine>(featureFlags, display, config, ctxt, dummy,
-                                                        protectedContext, protectedDummy,
-                                                        imageCacheSize);
+            engine = std::make_unique<GLESRenderEngine>(args, display, config, ctxt, dummy,
+                                                        protectedContext, protectedDummy);
             break;
     }
 
@@ -347,10 +345,10 @@
     return config;
 }
 
-GLESRenderEngine::GLESRenderEngine(uint32_t featureFlags, EGLDisplay display, EGLConfig config,
-                                   EGLContext ctxt, EGLSurface dummy, EGLContext protectedContext,
-                                   EGLSurface protectedDummy, uint32_t imageCacheSize)
-      : renderengine::impl::RenderEngine(featureFlags),
+GLESRenderEngine::GLESRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display,
+                                   EGLConfig config, EGLContext ctxt, EGLSurface dummy,
+                                   EGLContext protectedContext, EGLSurface protectedDummy)
+      : renderengine::impl::RenderEngine(args),
         mEGLDisplay(display),
         mEGLConfig(config),
         mEGLContext(ctxt),
@@ -359,8 +357,8 @@
         mProtectedDummySurface(protectedDummy),
         mVpWidth(0),
         mVpHeight(0),
-        mFramebufferImageCacheSize(imageCacheSize),
-        mUseColorManagement(featureFlags & USE_COLOR_MANAGEMENT) {
+        mFramebufferImageCacheSize(args.imageCacheSize),
+        mUseColorManagement(args.useColorManagement) {
     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
     glGetIntegerv(GL_MAX_VIEWPORT_DIMS, mMaxViewportDims);
 
@@ -457,10 +455,9 @@
 }
 
 void GLESRenderEngine::primeCache() const {
-    ProgramCache::getInstance().primeCache(
-            mInProtectedContext ? mProtectedEGLContext : mEGLContext,
-                    mFeatureFlags & USE_COLOR_MANAGEMENT,
-                    mFeatureFlags & PRECACHE_TONE_MAPPER_SHADER_ONLY);
+    ProgramCache::getInstance().primeCache(mInProtectedContext ? mProtectedEGLContext : mEGLContext,
+                                           mArgs.useColorManagement,
+                                           mArgs.precacheToneMapperShaderOnly);
 }
 
 base::unique_fd GLESRenderEngine::flush() {
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 501b044..397bc16 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -49,13 +49,11 @@
 
 class GLESRenderEngine : public impl::RenderEngine {
 public:
-    static std::unique_ptr<GLESRenderEngine> create(int hwcFormat, uint32_t featureFlags,
-                                                    uint32_t imageCacheSize);
+    static std::unique_ptr<GLESRenderEngine> create(const RenderEngineCreationArgs& args);
 
-    GLESRenderEngine(uint32_t featureFlags, // See RenderEngine::FeatureFlag
-                     EGLDisplay display, EGLConfig config, EGLContext ctxt, EGLSurface dummy,
-                     EGLContext protectedContext, EGLSurface protectedDummy,
-                     uint32_t imageCacheSize);
+    GLESRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLConfig config,
+                     EGLContext ctxt, EGLSurface dummy, EGLContext protectedContext,
+                     EGLSurface protectedDummy);
     ~GLESRenderEngine() override EXCLUDES(mRenderingMutex);
 
     void primeCache() const override;
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 9dcd510..4db5c57 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -48,6 +48,7 @@
 class Image;
 class Mesh;
 class Texture;
+struct RenderEngineCreationArgs;
 
 namespace impl {
 class RenderEngine;
@@ -60,19 +61,13 @@
 
 class RenderEngine {
 public:
-    enum FeatureFlag {
-        USE_COLOR_MANAGEMENT = 1 << 0,      // Device manages color
-        USE_HIGH_PRIORITY_CONTEXT = 1 << 1, // Use high priority context
-
-        // Create a protected context when if possible
-        ENABLE_PROTECTED_CONTEXT = 1 << 2,
-
-        // Only precache HDR to SDR tone-mapping shaders
-        PRECACHE_TONE_MAPPER_SHADER_ONLY = 1 << 3,
+    enum class ContextPriority {
+        LOW = 1,
+        MEDIUM = 2,
+        HIGH = 3,
     };
 
-    static std::unique_ptr<impl::RenderEngine> create(int hwcFormat, uint32_t featureFlags,
-                                                      uint32_t imageCacheSize);
+    static std::unique_ptr<impl::RenderEngine> create(const RenderEngineCreationArgs& args);
 
     virtual ~RenderEngine() = 0;
 
@@ -173,6 +168,76 @@
     friend class BindNativeBufferAsFramebuffer;
 };
 
+struct RenderEngineCreationArgs {
+    int pixelFormat;
+    uint32_t imageCacheSize;
+    bool useColorManagement;
+    bool enableProtectedContext;
+    bool precacheToneMapperShaderOnly;
+    RenderEngine::ContextPriority contextPriority;
+
+    struct Builder;
+
+private:
+    // must be created by Builder via constructor with full argument list
+    RenderEngineCreationArgs(
+            int _pixelFormat,
+            uint32_t _imageCacheSize,
+            bool _useColorManagement,
+            bool _enableProtectedContext,
+            bool _precacheToneMapperShaderOnly,
+            RenderEngine::ContextPriority _contextPriority)
+        : pixelFormat(_pixelFormat)
+        , imageCacheSize(_imageCacheSize)
+        , useColorManagement(_useColorManagement)
+        , enableProtectedContext(_enableProtectedContext)
+        , precacheToneMapperShaderOnly(_precacheToneMapperShaderOnly)
+        , contextPriority(_contextPriority) {}
+    RenderEngineCreationArgs() = delete;
+};
+
+struct RenderEngineCreationArgs::Builder {
+    Builder() {}
+
+    Builder& setPixelFormat(int pixelFormat) {
+        this->pixelFormat = pixelFormat;
+        return *this;
+    }
+    Builder& setImageCacheSize(uint32_t imageCacheSize) {
+        this->imageCacheSize = imageCacheSize;
+        return *this;
+    }
+    Builder& setUseColorManagerment(bool useColorManagement) {
+        this->useColorManagement = useColorManagement;
+        return *this;
+    }
+    Builder& setEnableProtectedContext(bool enableProtectedContext) {
+        this->enableProtectedContext = enableProtectedContext;
+        return *this;
+    }
+    Builder& setPrecacheToneMapperShaderOnly(bool precacheToneMapperShaderOnly) {
+        this->precacheToneMapperShaderOnly = precacheToneMapperShaderOnly;
+        return *this;
+    }
+    Builder& setContextPriority(RenderEngine::ContextPriority contextPriority) {
+        this->contextPriority = contextPriority;
+        return *this;
+    }
+    RenderEngineCreationArgs build() const {
+        return RenderEngineCreationArgs(pixelFormat, imageCacheSize, useColorManagement,
+                enableProtectedContext, precacheToneMapperShaderOnly, contextPriority);
+    }
+
+private:
+    // 1 means RGBA_8888
+    int pixelFormat = 1;
+    uint32_t imageCacheSize = 0;
+    bool useColorManagement = true;
+    bool enableProtectedContext = false;
+    bool precacheToneMapperShaderOnly = false;
+    RenderEngine::ContextPriority contextPriority = RenderEngine::ContextPriority::MEDIUM;
+};
+
 class BindNativeBufferAsFramebuffer {
 public:
     BindNativeBufferAsFramebuffer(RenderEngine& engine, ANativeWindowBuffer* buffer,
@@ -206,8 +271,8 @@
     bool useWaitSync() const override;
 
 protected:
-    RenderEngine(uint32_t featureFlags);
-    const uint32_t mFeatureFlags;
+    RenderEngine(const RenderEngineCreationArgs& args);
+    const RenderEngineCreationArgs mArgs;
 };
 
 } // namespace impl
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index f47c7fd..d01c740 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -31,9 +31,15 @@
 
 struct RenderEngineTest : public ::testing::Test {
     static void SetUpTestSuite() {
-        sRE = renderengine::gl::GLESRenderEngine::create(static_cast<int32_t>(
-                                                                 ui::PixelFormat::RGBA_8888),
-                                                         0, 1);
+        sRE = renderengine::gl::GLESRenderEngine::create(
+                renderengine::RenderEngineCreationArgs::Builder()
+                    .setPixelFormat(static_cast<int>(ui::PixelFormat::RGBA_8888))
+                    .setImageCacheSize(1)
+                    .setUseColorManagerment(false)
+                    .setEnableProtectedContext(false)
+                    .setPrecacheToneMapperShaderOnly(false)
+                    .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
+        .build());
     }
 
     static void TearDownTestSuite() {
diff --git a/libs/ui/ColorSpace.cpp b/libs/ui/ColorSpace.cpp
index 7a14af1..df390e2 100644
--- a/libs/ui/ColorSpace.cpp
+++ b/libs/ui/ColorSpace.cpp
@@ -364,7 +364,11 @@
     for (uint32_t z = 0; z < size; z++) {
         for (int32_t y = int32_t(size - 1); y >= 0; y--) {
             for (uint32_t x = 0; x < size; x++) {
-                *data++ = connector.transform({x * m, y * m, z * m});
+                *data++ = connector.transform({
+                    static_cast<float>(x) * m,
+                    static_cast<float>(y) * m,
+                    static_cast<float>(z) * m,
+                });
             }
         }
     }
diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index eb787a2..fcc2547 100644
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -89,7 +89,7 @@
         if (rec.size) {
             StringAppendF(&result,
                           "%10p: %7.2f KiB | %4u (%4u) x %4u | %4u | %8X | 0x%" PRIx64 " | %s\n",
-                          list.keyAt(i), rec.size / 1024.0, rec.width, rec.stride, rec.height,
+                          list.keyAt(i), static_cast<double>(rec.size) / 1024.0, rec.width, rec.stride, rec.height,
                           rec.layerCount, rec.format, rec.usage, rec.requestorName.c_str());
         } else {
             StringAppendF(&result,
@@ -99,7 +99,7 @@
         }
         total += rec.size;
     }
-    StringAppendF(&result, "Total allocated (estimate): %.2f KB\n", total / 1024.0);
+    StringAppendF(&result, "Total allocated (estimate): %.2f KB\n", static_cast<double>(total) / 1024.0);
 
     result.append(mAllocator->dumpDebugInfo());
 }
@@ -140,6 +140,17 @@
 
     status_t error =
             mAllocator->allocate(width, height, format, layerCount, usage, 1, stride, handle);
+    size_t bufSize;
+
+    // if stride has no meaning or is too large,
+    // approximate size with the input width instead
+    if ((*stride) != 0 &&
+        std::numeric_limits<size_t>::max() / height / (*stride) < static_cast<size_t>(bpp)) {
+        bufSize = static_cast<size_t>(width) * height * bpp;
+    } else {
+        bufSize = static_cast<size_t>((*stride)) * height * bpp;
+    }
+
     if (error == NO_ERROR) {
         Mutex::Autolock _l(sLock);
         KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
@@ -150,7 +161,7 @@
         rec.format = format;
         rec.layerCount = layerCount;
         rec.usage = usage;
-        rec.size = static_cast<size_t>(height * (*stride) * bpp);
+        rec.size = bufSize;
         rec.requestorName = std::move(requestorName);
         list.add(*handle, rec);
 
diff --git a/libs/ui/Region.cpp b/libs/ui/Region.cpp
index 55e3b99..1222cd6 100644
--- a/libs/ui/Region.cpp
+++ b/libs/ui/Region.cpp
@@ -339,10 +339,10 @@
     size_t count = mStorage.size();
     Rect* rects = mStorage.editArray();
     while (count) {
-        rects->left = static_cast<int32_t>(rects->left * sx + 0.5f);
-        rects->right = static_cast<int32_t>(rects->right * sx + 0.5f);
-        rects->top = static_cast<int32_t>(rects->top * sy + 0.5f);
-        rects->bottom = static_cast<int32_t>(rects->bottom * sy + 0.5f);
+        rects->left = static_cast<int32_t>(static_cast<float>(rects->left) * sx + 0.5f);
+        rects->right = static_cast<int32_t>(static_cast<float>(rects->right) * sx + 0.5f);
+        rects->top = static_cast<int32_t>(static_cast<float>(rects->top) * sy + 0.5f);
+        rects->bottom = static_cast<int32_t>(static_cast<float>(rects->bottom) * sy + 0.5f);
         rects++;
         count--;
     }
diff --git a/libs/ui/include/ui/GraphicBufferAllocator.h b/libs/ui/include/ui/GraphicBufferAllocator.h
index 25d4512..324d9e1 100644
--- a/libs/ui/include/ui/GraphicBufferAllocator.h
+++ b/libs/ui/include/ui/GraphicBufferAllocator.h
@@ -54,7 +54,7 @@
     void dump(std::string& res) const;
     static void dumpToSystemLog();
 
-private:
+protected:
     struct alloc_rec_t {
         uint32_t width;
         uint32_t height;
diff --git a/libs/ui/include/ui/Size.h b/libs/ui/include/ui/Size.h
index c39d8af..d9b713d 100644
--- a/libs/ui/include/ui/Size.h
+++ b/libs/ui/include/ui/Size.h
@@ -132,7 +132,7 @@
         // Otherwise we leverage implicit conversion to safely compare values of
         // different types, to ensure we return a value clamped to the range of
         // ToType.
-        return v < toLowest ? toLowest : (v > toHighest ? toHighest : static_cast<ToType>(v));
+        return v < toLowest ? toLowest : (static_cast<ToType>(v) > toHighest ? toHighest : static_cast<ToType>(v));
     }
 };
 
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
index 0452f84..d2ad242 100644
--- a/libs/ui/tests/Android.bp
+++ b/libs/ui/tests/Android.bp
@@ -29,6 +29,26 @@
 }
 
 cc_test {
+    name: "GraphicBufferAllocator_test",
+    header_libs: [
+        "libdvr_headers",
+        "libnativewindow_headers",
+    ],
+    static_libs: [
+        "libgmock",
+    ],
+    shared_libs: [
+        "liblog",
+	"libui",
+    ],
+    srcs: [
+        "GraphicBufferAllocator_test.cpp",
+        "mock/MockGrallocAllocator.cpp",
+    ],
+    cflags: ["-Wall", "-Werror"],
+}
+
+cc_test {
     name: "GraphicBuffer_test",
     header_libs: [
         "libdvr_headers",
diff --git a/libs/ui/tests/GraphicBufferAllocator_test.cpp b/libs/ui/tests/GraphicBufferAllocator_test.cpp
new file mode 100644
index 0000000..efca083
--- /dev/null
+++ b/libs/ui/tests/GraphicBufferAllocator_test.cpp
@@ -0,0 +1,116 @@
+/*
+ * 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.
+ * 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 "GraphicBufferAllocatorTest"
+
+#include <ui/GraphicBuffer.h>
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/PixelFormat.h>
+
+#include <gtest/gtest.h>
+
+#include "mock/MockGrallocAllocator.h"
+
+#include <algorithm>
+#include <limits>
+
+namespace android {
+
+namespace {
+
+constexpr uint32_t kTestWidth = 1024;
+constexpr uint32_t kTestHeight = 1;
+constexpr uint32_t kTestLayerCount = 1;
+constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN;
+
+} // namespace
+
+using ::testing::DoAll;
+using ::testing::Return;
+using ::testing::SetArgPointee;
+
+class TestableGraphicBufferAllocator : public GraphicBufferAllocator {
+public:
+    TestableGraphicBufferAllocator() {
+        mAllocator = std::make_unique<const mock::MockGrallocAllocator>();
+    }
+    void setUpAllocateExpectations(status_t err, uint32_t stride) {
+        std::cout << "Setting expected stride to " << stride << std::endl;
+        EXPECT_CALL(*(reinterpret_cast<const mock::MockGrallocAllocator*>(mAllocator.get())),
+                    allocate)
+                .WillOnce(DoAll(SetArgPointee<6>(stride), Return(err)));
+    }
+    std::unique_ptr<const GrallocAllocator>& getAllocator() { return mAllocator; }
+};
+
+class GraphicBufferAllocatorTest : public testing::Test {
+public:
+    GraphicBufferAllocatorTest() : mAllocator() {}
+    const TestableGraphicBufferAllocator& getAllocator() { return mAllocator; }
+
+protected:
+    TestableGraphicBufferAllocator mAllocator;
+};
+
+TEST_F(GraphicBufferAllocatorTest, AllocateNoError) {
+    mAllocator.setUpAllocateExpectations(NO_ERROR, kTestWidth);
+    android::PixelFormat format = PIXEL_FORMAT_RGBA_8888;
+    uint32_t stride = 0;
+    buffer_handle_t handle;
+    status_t err = mAllocator.allocate(kTestWidth, kTestHeight, format, kTestLayerCount, kTestUsage,
+                                       &handle, &stride, 0, "GraphicBufferAllocatorTest");
+    ASSERT_EQ(NO_ERROR, err);
+    ASSERT_EQ(kTestWidth, stride);
+}
+
+TEST_F(GraphicBufferAllocatorTest, AllocateZeroStride) {
+    android::PixelFormat format = PIXEL_FORMAT_RGBA_8888;
+    uint32_t expectedStride = 0;
+
+    mAllocator.setUpAllocateExpectations(NO_ERROR, expectedStride);
+    uint32_t stride = 0;
+    buffer_handle_t handle;
+    // a divide by zero would cause a crash
+    status_t err = mAllocator.allocate(kTestWidth, kTestHeight, format, kTestLayerCount, kTestUsage,
+                                       &handle, &stride, 0, "GraphicBufferAllocatorTest");
+    ASSERT_EQ(NO_ERROR, err);
+    ASSERT_EQ(expectedStride, stride);
+}
+
+TEST_F(GraphicBufferAllocatorTest, AllocateLargeStride) {
+    uint32_t height = std::numeric_limits<uint32_t>::max();
+    uint32_t bpp = 4;
+    android::PixelFormat format = PIXEL_FORMAT_RGBA_8888;
+
+    if (std::numeric_limits<size_t>::max() / height / bpp >= std::numeric_limits<uint32_t>::max()) {
+        std::cout << "stride cannot cause overflow" << std::endl;
+        GTEST_SUCCEED() << "stride cannot cause overflow";
+        return;
+    }
+    uint32_t width = std::numeric_limits<size_t>::max() / height / bpp;
+
+    uint32_t expectedStride = std::numeric_limits<uint32_t>::max();
+
+    mAllocator.setUpAllocateExpectations(NO_ERROR, expectedStride);
+    uint32_t stride = 0;
+    buffer_handle_t handle;
+    // an overflow would cause a crash
+    status_t err = mAllocator.allocate(width, height, format, kTestLayerCount, kTestUsage, &handle,
+                                       &stride, 0, "GraphicBufferAllocatorTest");
+    ASSERT_EQ(NO_ERROR, err);
+    ASSERT_EQ(expectedStride, stride);
+}
+} // namespace android
diff --git a/libs/ui/tests/mock/MockGrallocAllocator.cpp b/libs/ui/tests/mock/MockGrallocAllocator.cpp
new file mode 100644
index 0000000..d71e25f
--- /dev/null
+++ b/libs/ui/tests/mock/MockGrallocAllocator.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 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.
+ * 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 "MockGrallocAllocator.h"
+
+namespace android {
+
+namespace mock {
+
+MockGrallocAllocator::MockGrallocAllocator() = default;
+MockGrallocAllocator::~MockGrallocAllocator() = default;
+
+} // namespace mock
+} // namespace android
diff --git a/libs/ui/tests/mock/MockGrallocAllocator.h b/libs/ui/tests/mock/MockGrallocAllocator.h
new file mode 100644
index 0000000..22c80a4
--- /dev/null
+++ b/libs/ui/tests/mock/MockGrallocAllocator.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 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.
+ * 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 <gmock/gmock.h>
+
+#include <ui/Gralloc.h>
+
+namespace android {
+
+class GraphicBuffer;
+
+namespace mock {
+
+class MockGrallocAllocator : public GrallocAllocator {
+public:
+    MockGrallocAllocator();
+    ~MockGrallocAllocator() override;
+
+    MOCK_METHOD(bool, isLoaded, (), (const, override));
+    MOCK_METHOD(std::string, dumpDebugInfo, (), (const, override));
+    MOCK_METHOD(status_t, allocate,
+                (uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount,
+                 uint64_t usage, uint32_t bufferCount, uint32_t* outStride,
+                 buffer_handle_t* outBufferHandles),
+                (const, override));
+};
+
+} // namespace mock
+} // namespace android
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index ee8c344..90cc5c6 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -17,7 +17,7 @@
 #define LOG_TAG "InputDispatcher"
 #define ATRACE_TAG ATRACE_TAG_INPUT
 
-#define LOG_NDEBUG 0
+#define LOG_NDEBUG 1
 
 // Log detailed debug messages about each inbound event notification to the dispatcher.
 #define DEBUG_INBOUND_EVENT_DETAILS 0
@@ -245,7 +245,7 @@
 InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy)
       : mPolicy(policy),
         mPendingEvent(nullptr),
-        mLastDropReason(DROP_REASON_NOT_DROPPED),
+        mLastDropReason(DropReason::NOT_DROPPED),
         mAppSwitchSawKeyDown(false),
         mAppSwitchDueTime(LONG_LONG_MAX),
         mNextUnblockedEvent(nullptr),
@@ -374,11 +374,11 @@
     // All events are eventually dequeued and processed this way, even if we intend to drop them.
     ALOG_ASSERT(mPendingEvent != nullptr);
     bool done = false;
-    DropReason dropReason = DROP_REASON_NOT_DROPPED;
+    DropReason dropReason = DropReason::NOT_DROPPED;
     if (!(mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER)) {
-        dropReason = DROP_REASON_POLICY;
+        dropReason = DropReason::POLICY;
     } else if (!mDispatchEnabled) {
-        dropReason = DROP_REASON_DISABLED;
+        dropReason = DropReason::DISABLED;
     }
 
     if (mNextUnblockedEvent == mPendingEvent) {
@@ -390,14 +390,14 @@
             ConfigurationChangedEntry* typedEntry =
                     static_cast<ConfigurationChangedEntry*>(mPendingEvent);
             done = dispatchConfigurationChangedLocked(currentTime, typedEntry);
-            dropReason = DROP_REASON_NOT_DROPPED; // configuration changes are never dropped
+            dropReason = DropReason::NOT_DROPPED; // configuration changes are never dropped
             break;
         }
 
         case EventEntry::TYPE_DEVICE_RESET: {
             DeviceResetEntry* typedEntry = static_cast<DeviceResetEntry*>(mPendingEvent);
             done = dispatchDeviceResetLocked(currentTime, typedEntry);
-            dropReason = DROP_REASON_NOT_DROPPED; // device resets are never dropped
+            dropReason = DropReason::NOT_DROPPED; // device resets are never dropped
             break;
         }
 
@@ -407,15 +407,15 @@
                 if (isAppSwitchKeyEvent(typedEntry)) {
                     resetPendingAppSwitchLocked(true);
                     isAppSwitchDue = false;
-                } else if (dropReason == DROP_REASON_NOT_DROPPED) {
-                    dropReason = DROP_REASON_APP_SWITCH;
+                } else if (dropReason == DropReason::NOT_DROPPED) {
+                    dropReason = DropReason::APP_SWITCH;
                 }
             }
-            if (dropReason == DROP_REASON_NOT_DROPPED && isStaleEvent(currentTime, typedEntry)) {
-                dropReason = DROP_REASON_STALE;
+            if (dropReason == DropReason::NOT_DROPPED && isStaleEvent(currentTime, typedEntry)) {
+                dropReason = DropReason::STALE;
             }
-            if (dropReason == DROP_REASON_NOT_DROPPED && mNextUnblockedEvent) {
-                dropReason = DROP_REASON_BLOCKED;
+            if (dropReason == DropReason::NOT_DROPPED && mNextUnblockedEvent) {
+                dropReason = DropReason::BLOCKED;
             }
             done = dispatchKeyLocked(currentTime, typedEntry, &dropReason, nextWakeupTime);
             break;
@@ -423,14 +423,14 @@
 
         case EventEntry::TYPE_MOTION: {
             MotionEntry* typedEntry = static_cast<MotionEntry*>(mPendingEvent);
-            if (dropReason == DROP_REASON_NOT_DROPPED && isAppSwitchDue) {
-                dropReason = DROP_REASON_APP_SWITCH;
+            if (dropReason == DropReason::NOT_DROPPED && isAppSwitchDue) {
+                dropReason = DropReason::APP_SWITCH;
             }
-            if (dropReason == DROP_REASON_NOT_DROPPED && isStaleEvent(currentTime, typedEntry)) {
-                dropReason = DROP_REASON_STALE;
+            if (dropReason == DropReason::NOT_DROPPED && isStaleEvent(currentTime, typedEntry)) {
+                dropReason = DropReason::STALE;
             }
-            if (dropReason == DROP_REASON_NOT_DROPPED && mNextUnblockedEvent) {
-                dropReason = DROP_REASON_BLOCKED;
+            if (dropReason == DropReason::NOT_DROPPED && mNextUnblockedEvent) {
+                dropReason = DropReason::BLOCKED;
             }
             done = dispatchMotionLocked(currentTime, typedEntry, &dropReason, nextWakeupTime);
             break;
@@ -442,7 +442,7 @@
     }
 
     if (done) {
-        if (dropReason != DROP_REASON_NOT_DROPPED) {
+        if (dropReason != DropReason::NOT_DROPPED) {
             dropInboundEventLocked(mPendingEvent, dropReason);
         }
         mLastDropReason = dropReason;
@@ -594,35 +594,36 @@
 void InputDispatcher::dropInboundEventLocked(EventEntry* entry, DropReason dropReason) {
     const char* reason;
     switch (dropReason) {
-        case DROP_REASON_POLICY:
+        case DropReason::POLICY:
 #if DEBUG_INBOUND_EVENT_DETAILS
             ALOGD("Dropped event because policy consumed it.");
 #endif
             reason = "inbound event was dropped because the policy consumed it";
             break;
-        case DROP_REASON_DISABLED:
-            if (mLastDropReason != DROP_REASON_DISABLED) {
+        case DropReason::DISABLED:
+            if (mLastDropReason != DropReason::DISABLED) {
                 ALOGI("Dropped event because input dispatch is disabled.");
             }
             reason = "inbound event was dropped because input dispatch is disabled";
             break;
-        case DROP_REASON_APP_SWITCH:
+        case DropReason::APP_SWITCH:
             ALOGI("Dropped event because of pending overdue app switch.");
             reason = "inbound event was dropped because of pending overdue app switch";
             break;
-        case DROP_REASON_BLOCKED:
+        case DropReason::BLOCKED:
             ALOGI("Dropped event because the current application is not responding and the user "
                   "has started interacting with a different application.");
             reason = "inbound event was dropped because the current application is not responding "
                      "and the user has started interacting with a different application";
             break;
-        case DROP_REASON_STALE:
+        case DropReason::STALE:
             ALOGI("Dropped event because it is stale.");
             reason = "inbound event was dropped because it is stale";
             break;
-        default:
-            ALOG_ASSERT(false);
+        case DropReason::NOT_DROPPED: {
+            LOG_ALWAYS_FATAL("Should not be dropping a NOT_DROPPED event");
             return;
+        }
     }
 
     switch (entry->type) {
@@ -869,15 +870,15 @@
             entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
         }
     } else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
-        if (*dropReason == DROP_REASON_NOT_DROPPED) {
-            *dropReason = DROP_REASON_POLICY;
+        if (*dropReason == DropReason::NOT_DROPPED) {
+            *dropReason = DropReason::POLICY;
         }
     }
 
     // Clean up if dropping the event.
-    if (*dropReason != DROP_REASON_NOT_DROPPED) {
+    if (*dropReason != DropReason::NOT_DROPPED) {
         setInjectionResult(entry,
-                           *dropReason == DROP_REASON_POLICY ? INPUT_EVENT_INJECTION_SUCCEEDED
+                           *dropReason == DropReason::POLICY ? INPUT_EVENT_INJECTION_SUCCEEDED
                                                              : INPUT_EVENT_INJECTION_FAILED);
         mReporter->reportDroppedKey(entry->sequenceNum);
         return true;
@@ -926,9 +927,9 @@
     }
 
     // Clean up if dropping the event.
-    if (*dropReason != DROP_REASON_NOT_DROPPED) {
+    if (*dropReason != DropReason::NOT_DROPPED) {
         setInjectionResult(entry,
-                           *dropReason == DROP_REASON_POLICY ? INPUT_EVENT_INJECTION_SUCCEEDED
+                           *dropReason == DropReason::POLICY ? INPUT_EVENT_INJECTION_SUCCEEDED
                                                              : INPUT_EVENT_INJECTION_FAILED);
         return true;
     }
@@ -3221,7 +3222,7 @@
                     !(info->layoutParamsFlags & InputWindowInfo::FLAG_NOT_TOUCHABLE) ||
                     !(info->layoutParamsFlags & InputWindowInfo::FLAG_NOT_FOCUSABLE);
             if (canReceiveInput && !noInputChannel) {
-                ALOGE("Window handle %s has no registered input channel",
+                ALOGV("Window handle %s has no registered input channel",
                       handle->getName().c_str());
             }
             continue;
@@ -3954,7 +3955,7 @@
         return BAD_VALUE;
     }
 
-    const bool removed = removeByValue(mConnectionsByFd, connection);
+    [[maybe_unused]] const bool removed = removeByValue(mConnectionsByFd, connection);
     ALOG_ASSERT(removed);
     mInputChannelsByToken.erase(inputChannel->getToken());
 
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 1f906e4..9d22e2c 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -113,14 +113,13 @@
     virtual status_t pilferPointers(const sp<IBinder>& token) override;
 
 private:
-
-    enum DropReason {
-        DROP_REASON_NOT_DROPPED = 0,
-        DROP_REASON_POLICY = 1,
-        DROP_REASON_APP_SWITCH = 2,
-        DROP_REASON_DISABLED = 3,
-        DROP_REASON_BLOCKED = 4,
-        DROP_REASON_STALE = 5,
+    enum class DropReason {
+        NOT_DROPPED,
+        POLICY,
+        APP_SWITCH,
+        DISABLED,
+        BLOCKED,
+        STALE,
     };
 
     sp<InputDispatcherPolicyInterface> mPolicy;
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 34603b9..c80a2dc 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -668,7 +668,7 @@
                     naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
                     naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
                     naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
+                    naturalPhysicalLeft = mViewport.deviceHeight - naturalPhysicalWidth;
                     naturalPhysicalTop = mViewport.physicalLeft;
                     naturalDeviceWidth = mViewport.deviceHeight;
                     naturalDeviceHeight = mViewport.deviceWidth;
@@ -689,7 +689,7 @@
                     naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
                     naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
                     naturalPhysicalLeft = mViewport.physicalTop;
-                    naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
+                    naturalPhysicalTop = mViewport.deviceWidth - naturalPhysicalHeight;
                     naturalDeviceWidth = mViewport.deviceHeight;
                     naturalDeviceHeight = mViewport.deviceWidth;
                     break;
@@ -2173,6 +2173,7 @@
         // TODO: Adjust coverage coords?
         float xTransformed = in.x, yTransformed = in.y;
         mAffineTransform.applyTo(xTransformed, yTransformed);
+        rotateAndScale(xTransformed, yTransformed);
 
         // Adjust X, Y, and coverage coords for surface orientation.
         float x, y;
@@ -2180,8 +2181,8 @@
 
         switch (mSurfaceOrientation) {
             case DISPLAY_ORIENTATION_90:
-                x = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
-                y = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale + mXTranslate;
+                x = yTransformed + mYTranslate;
+                y = xTransformed + mXTranslate;
                 left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
                 right = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
                 bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
@@ -2194,8 +2195,8 @@
                 }
                 break;
             case DISPLAY_ORIENTATION_180:
-                x = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale;
-                y = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale + mYTranslate;
+                x = xTransformed + mXTranslate;
+                y = yTransformed + mYTranslate;
                 left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale;
                 right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale;
                 bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
@@ -2208,8 +2209,8 @@
                 }
                 break;
             case DISPLAY_ORIENTATION_270:
-                x = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale;
-                y = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
+                x = yTransformed + mYTranslate;
+                y = xTransformed + mXTranslate;
                 left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale;
                 right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale;
                 bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
@@ -2222,8 +2223,8 @@
                 }
                 break;
             default:
-                x = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
-                y = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
+                x = xTransformed + mXTranslate;
+                y = yTransformed + mYTranslate;
                 left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
                 right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
                 bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
@@ -3617,13 +3618,34 @@
     abortTouches(when, 0 /* policyFlags*/);
 }
 
+void TouchInputMapper::rotateAndScale(float& x, float& y) {
+    switch (mSurfaceOrientation) {
+        case DISPLAY_ORIENTATION_90:
+            x = float(mRawPointerAxes.x.maxValue - x) * mXScale;
+            y = float(y - mRawPointerAxes.y.minValue) * mYScale;
+            break;
+        case DISPLAY_ORIENTATION_180:
+            x = float(mRawPointerAxes.x.maxValue - x) * mXScale;
+            y = float(mRawPointerAxes.y.maxValue - y) * mYScale;
+            break;
+        case DISPLAY_ORIENTATION_270:
+            x = float(x - mRawPointerAxes.x.minValue) * mXScale;
+            y = float(mRawPointerAxes.y.maxValue - y) * mYScale;
+            break;
+        default:
+            x = float(x - mRawPointerAxes.x.minValue) * mXScale;
+            y = float(y - mRawPointerAxes.y.minValue) * mYScale;
+            break;
+    }
+}
+
 bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
-    const float scaledX = x * mXScale;
-    const float scaledY = y * mYScale;
+    float xTransformed = x, yTransformed = y;
+    rotateAndScale(xTransformed, yTransformed);
     return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue &&
-            scaledX >= mSurfaceLeft && scaledX <= mSurfaceLeft + mSurfaceWidth &&
+            xTransformed >= mSurfaceLeft && xTransformed <= mSurfaceLeft + mSurfaceWidth &&
             y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue &&
-            scaledY >= mSurfaceTop && scaledY <= mSurfaceTop + mSurfaceHeight;
+            yTransformed >= mSurfaceTop && yTransformed <= mSurfaceTop + mSurfaceHeight;
 }
 
 const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index 89c017d..4b1c0cb 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -758,6 +758,7 @@
     static void assignPointerIds(const RawState* last, RawState* current);
 
     const char* modeToString(DeviceMode deviceMode);
+    void rotateAndScale(float& x, float& y);
 };
 
 } // namespace android
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index c4f8626..ada2266 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -15,6 +15,7 @@
         "-Werror",
         "-Wextra",
         "-Wno-unused-parameter",
+        "-Wthread-safety",
     ],
     shared_libs: [
         "android.hardware.input.classifier@1.0",
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 31b1652..c1c9122 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -25,13 +25,18 @@
 #include <TestInputListener.h>
 #include <TouchInputMapper.h>
 
+#include <android-base/thread_annotations.h>
 #include <gtest/gtest.h>
 #include <inttypes.h>
 #include <math.h>
 
-
 namespace android {
 
+using std::chrono_literals::operator""ms;
+
+// Timeout for waiting for an expected event
+static constexpr std::chrono::duration WAIT_TIMEOUT = 100ms;
+
 // An arbitrary time value.
 static const nsecs_t ARBITRARY_TIME = 1234;
 
@@ -164,9 +169,13 @@
 // --- FakeInputReaderPolicy ---
 
 class FakeInputReaderPolicy : public InputReaderPolicyInterface {
+    std::mutex mLock;
+    std::condition_variable mDevicesChangedCondition;
+
     InputReaderConfiguration mConfig;
     KeyedVector<int32_t, sp<FakePointerController> > mPointerControllers;
-    std::vector<InputDeviceInfo> mInputDevices;
+    std::vector<InputDeviceInfo> mInputDevices GUARDED_BY(mLock);
+    bool mInputDevicesChanged GUARDED_BY(mLock){false};
     std::vector<DisplayViewport> mViewports;
     TouchAffineTransformation transform;
 
@@ -177,6 +186,20 @@
     FakeInputReaderPolicy() {
     }
 
+    void assertInputDevicesChanged() {
+        std::unique_lock<std::mutex> lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+
+        const bool devicesChanged =
+                mDevicesChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
+                    return mInputDevicesChanged;
+                });
+        if (!devicesChanged) {
+            FAIL() << "Timed out waiting for notifyInputDevicesChanged() to be called.";
+        }
+        mInputDevicesChanged = false;
+    }
+
     virtual void clearViewports() {
         mViewports.clear();
         mConfig.setDisplayViewports(mViewports);
@@ -291,7 +314,10 @@
     }
 
     virtual void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices) {
+        std::scoped_lock<std::mutex> lock(mLock);
         mInputDevices = inputDevices;
+        mInputDevicesChanged = true;
+        mDevicesChangedCondition.notify_all();
     }
 
     virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(const InputDeviceIdentifier&) {
@@ -342,9 +368,12 @@
         }
     };
 
+    std::mutex mLock;
+    std::condition_variable mEventsCondition;
+
     KeyedVector<int32_t, Device*> mDevices;
     std::vector<std::string> mExcludedDevices;
-    List<RawEvent> mEvents;
+    List<RawEvent> mEvents GUARDED_BY(mLock);
     std::unordered_map<int32_t /*deviceId*/, std::vector<TouchVideoFrame>> mVideoFrames;
 
 public:
@@ -496,6 +525,7 @@
 
     void enqueueEvent(nsecs_t when, int32_t deviceId, int32_t type,
             int32_t code, int32_t value) {
+        std::scoped_lock<std::mutex> lock(mLock);
         RawEvent event;
         event.when = when;
         event.deviceId = deviceId;
@@ -515,8 +545,14 @@
     }
 
     void assertQueueIsEmpty() {
-        ASSERT_EQ(size_t(0), mEvents.size())
-                << "Expected the event queue to be empty (fully consumed).";
+        std::unique_lock<std::mutex> lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+        const bool queueIsEmpty =
+                mEventsCondition.wait_for(lock, WAIT_TIMEOUT,
+                                          [this]() REQUIRES(mLock) { return mEvents.size() == 0; });
+        if (!queueIsEmpty) {
+            FAIL() << "Timed out waiting for EventHub queue to be emptied.";
+        }
     }
 
 private:
@@ -619,12 +655,14 @@
     }
 
     virtual size_t getEvents(int, RawEvent* buffer, size_t) {
+        std::scoped_lock<std::mutex> lock(mLock);
         if (mEvents.empty()) {
             return 0;
         }
 
         *buffer = *mEvents.begin();
         mEvents.erase(mEvents.begin());
+        mEventsCondition.notify_all();
         return 1;
     }
 
@@ -877,11 +915,13 @@
     KeyedVector<int32_t, int32_t> mScanCodeStates;
     KeyedVector<int32_t, int32_t> mSwitchStates;
     std::vector<int32_t> mSupportedKeyCodes;
-    RawEvent mLastEvent;
 
-    bool mConfigureWasCalled;
-    bool mResetWasCalled;
-    bool mProcessWasCalled;
+    std::mutex mLock;
+    std::condition_variable mStateChangedCondition;
+    bool mConfigureWasCalled GUARDED_BY(mLock);
+    bool mResetWasCalled GUARDED_BY(mLock);
+    bool mProcessWasCalled GUARDED_BY(mLock);
+    RawEvent mLastEvent GUARDED_BY(mLock);
 
     std::optional<DisplayViewport> mViewport;
 public:
@@ -903,20 +943,41 @@
     }
 
     void assertConfigureWasCalled() {
-        ASSERT_TRUE(mConfigureWasCalled)
-                << "Expected configure() to have been called.";
+        std::unique_lock<std::mutex> lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+        const bool configureCalled =
+                mStateChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
+                    return mConfigureWasCalled;
+                });
+        if (!configureCalled) {
+            FAIL() << "Expected configure() to have been called.";
+        }
         mConfigureWasCalled = false;
     }
 
     void assertResetWasCalled() {
-        ASSERT_TRUE(mResetWasCalled)
-                << "Expected reset() to have been called.";
+        std::unique_lock<std::mutex> lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+        const bool resetCalled =
+                mStateChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
+                    return mResetWasCalled;
+                });
+        if (!resetCalled) {
+            FAIL() << "Expected reset() to have been called.";
+        }
         mResetWasCalled = false;
     }
 
     void assertProcessWasCalled(RawEvent* outLastEvent = nullptr) {
-        ASSERT_TRUE(mProcessWasCalled)
-                << "Expected process() to have been called.";
+        std::unique_lock<std::mutex> lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+        const bool processCalled =
+                mStateChangedCondition.wait_for(lock, WAIT_TIMEOUT, [this]() REQUIRES(mLock) {
+                    return mProcessWasCalled;
+                });
+        if (!processCalled) {
+            FAIL() << "Expected process() to have been called.";
+        }
         if (outLastEvent) {
             *outLastEvent = mLastEvent;
         }
@@ -953,6 +1014,7 @@
     }
 
     virtual void configure(nsecs_t, const InputReaderConfiguration* config, uint32_t changes) {
+        std::scoped_lock<std::mutex> lock(mLock);
         mConfigureWasCalled = true;
 
         // Find the associated viewport if exist.
@@ -960,15 +1022,21 @@
         if (displayPort && (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
             mViewport = config->getDisplayViewportByPort(*displayPort);
         }
+
+        mStateChangedCondition.notify_all();
     }
 
     virtual void reset(nsecs_t) {
+        std::scoped_lock<std::mutex> lock(mLock);
         mResetWasCalled = true;
+        mStateChangedCondition.notify_all();
     }
 
     virtual void process(const RawEvent* rawEvent) {
+        std::scoped_lock<std::mutex> lock(mLock);
         mLastEvent = *rawEvent;
         mProcessWasCalled = true;
+        mStateChangedCondition.notify_all();
     }
 
     virtual int32_t getKeyCodeState(uint32_t, int32_t keyCode) {
@@ -1033,23 +1101,22 @@
         }
     }
 
-    void setNextDevice(InputDevice* device) {
-        mNextDevice = device;
-    }
+    void setNextDevice(InputDevice* device) { mNextDevice = device; }
 
     InputDevice* newDevice(int32_t deviceId, int32_t controllerNumber, const std::string& name,
-            uint32_t classes, const std::string& location = "") {
+                           uint32_t classes, const std::string& location = "") {
         InputDeviceIdentifier identifier;
         identifier.name = name;
         identifier.location = location;
         int32_t generation = deviceId + 1;
         return new InputDevice(&mContext, deviceId, generation, controllerNumber, identifier,
-                classes);
+                               classes);
     }
 
 protected:
     virtual InputDevice* createDeviceLocked(int32_t deviceId, int32_t controllerNumber,
-            const InputDeviceIdentifier& identifier, uint32_t classes) {
+                                            const InputDeviceIdentifier& identifier,
+                                            uint32_t classes) {
         if (mNextDevice) {
             InputDevice* device = mNextDevice;
             mNextDevice = nullptr;
@@ -1281,7 +1348,8 @@
         mFakeEventHub->finishDeviceScan();
         mReader->loopOnce();
         mReader->loopOnce();
-        mFakeEventHub->assertQueueIsEmpty();
+        ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+        ASSERT_NO_FATAL_FAILURE(mFakeEventHub->assertQueueIsEmpty());
     }
 
     void disableDevice(int32_t deviceId, InputDevice* device) {
@@ -1316,10 +1384,8 @@
     ASSERT_NO_FATAL_FAILURE(addDevice(2, "ignored",
             0, nullptr)); // no classes so device will be ignored
 
-
     std::vector<InputDeviceInfo> inputDevices;
     mReader->getInputDevices(inputDevices);
-
     ASSERT_EQ(1U, inputDevices.size());
     ASSERT_EQ(1, inputDevices[0].getId());
     ASSERT_STREQ("keyboard", inputDevices[0].getIdentifier().name.c_str());
@@ -1345,7 +1411,7 @@
     FakeInputMapper* mapper = new FakeInputMapper(device, AINPUT_SOURCE_KEYBOARD);
     device->addMapper(mapper);
     mReader->setNextDevice(device);
-    addDevice(deviceId, "fake", deviceClass, nullptr);
+    ASSERT_NO_FATAL_FAILURE(addDevice(deviceId, "fake", deviceClass, nullptr));
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyConfigurationChangedWasCalled(nullptr));
 
@@ -1358,20 +1424,20 @@
     disableDevice(deviceId, device);
     mReader->loopOnce();
 
-    mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
     ASSERT_EQ(ARBITRARY_TIME, resetArgs.eventTime);
     ASSERT_EQ(deviceId, resetArgs.deviceId);
     ASSERT_EQ(device->isEnabled(), false);
 
     disableDevice(deviceId, device);
     mReader->loopOnce();
-    mFakeListener->assertNotifyDeviceResetWasNotCalled();
-    mFakeListener->assertNotifyConfigurationChangedWasNotCalled();
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyConfigurationChangedWasNotCalled());
     ASSERT_EQ(device->isEnabled(), false);
 
     enableDevice(deviceId, device);
     mReader->loopOnce();
-    mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
     ASSERT_EQ(ARBITRARY_TIME, resetArgs.eventTime);
     ASSERT_EQ(deviceId, resetArgs.deviceId);
     ASSERT_EQ(device->isEnabled(), true);
@@ -1529,7 +1595,7 @@
     FakeInputMapper* mapper = new FakeInputMapper(device, AINPUT_SOURCE_KEYBOARD);
     device->addMapper(mapper);
     mReader->setNextDevice(device);
-    addDevice(deviceId, "fake", deviceClass, nullptr);
+    ASSERT_NO_FATAL_FAILURE(addDevice(deviceId, "fake", deviceClass, nullptr));
 
     NotifyDeviceResetArgs resetArgs;
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
@@ -1537,19 +1603,19 @@
 
     disableDevice(deviceId, device);
     mReader->loopOnce();
-    mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
     ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
     prevSequenceNum = resetArgs.sequenceNum;
 
     enableDevice(deviceId, device);
     mReader->loopOnce();
-    mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
     ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
     prevSequenceNum = resetArgs.sequenceNum;
 
     disableDevice(deviceId, device);
     mReader->loopOnce();
-    mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
     ASSERT_TRUE(prevSequenceNum < resetArgs.sequenceNum);
     prevSequenceNum = resetArgs.sequenceNum;
 }
@@ -1577,6 +1643,7 @@
             DISPLAY_ORIENTATION_0, "local:1", hdmi1, ViewportType::VIEWPORT_EXTERNAL);
     mReader->requestRefreshConfiguration(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     mReader->loopOnce();
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyConfigurationChangedWasCalled());
 
     // Device should only dispatch to the specified display.
     ASSERT_EQ(deviceId, device->getId());
@@ -6614,20 +6681,41 @@
     MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
     addConfigurationProperty("touch.deviceType", "touchScreen");
     prepareDisplay(DISPLAY_ORIENTATION_0);
-    // Let surface be different from physical display.
-    std::optional<DisplayViewport> internalViewport =
-            mFakePolicy->getDisplayViewportByType(ViewportType::VIEWPORT_INTERNAL);
-    internalViewport->logicalLeft = internalViewport->physicalTop + 20;
-    internalViewport->logicalTop = internalViewport->physicalRight + 20;
-    internalViewport->logicalRight = internalViewport->physicalRight - 20;
-    internalViewport->logicalBottom = internalViewport->physicalBottom - 20;
-    mFakePolicy->updateViewport(internalViewport.value());
-
     prepareAxes(POSITION);
     addMapperAndConfigure(mapper);
 
-    int32_t rawX = 10;
-    int32_t rawY = 10;
+    // Touch on left-top area should work.
+    int32_t rawX = DISPLAY_WIDTH / 2 - 1;
+    int32_t rawY = DISPLAY_HEIGHT / 2 - 1;
+    processPosition(mapper, rawX, rawY);
+    processSync(mapper);
+
+    NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+
+    // Reset.
+    mapper->reset(ARBITRARY_TIME);
+
+    // Let logical display be different to physical display and rotate 90-degrees.
+    std::optional<DisplayViewport> internalViewport =
+            mFakePolicy->getDisplayViewportByType(ViewportType::VIEWPORT_INTERNAL);
+    internalViewport->orientation = DISPLAY_ORIENTATION_90;
+    internalViewport->logicalLeft = 0;
+    internalViewport->logicalTop = 0;
+    internalViewport->logicalRight = DISPLAY_HEIGHT;
+    internalViewport->logicalBottom = DISPLAY_WIDTH / 2;
+
+    internalViewport->physicalLeft = DISPLAY_HEIGHT;
+    internalViewport->physicalTop = DISPLAY_WIDTH / 2;
+    internalViewport->physicalRight = DISPLAY_HEIGHT;
+    internalViewport->physicalBottom = DISPLAY_WIDTH;
+
+    internalViewport->deviceWidth = DISPLAY_HEIGHT;
+    internalViewport->deviceHeight = DISPLAY_WIDTH;
+    mFakePolicy->updateViewport(internalViewport.value());
+    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+
+    // Display align to right-top after rotate 90-degrees, touch on left-top area should not work.
     processPosition(mapper, rawX, rawY);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
diff --git a/services/inputflinger/tests/TestInputListener.cpp b/services/inputflinger/tests/TestInputListener.cpp
index 3ee33f1..06b05ac 100644
--- a/services/inputflinger/tests/TestInputListener.cpp
+++ b/services/inputflinger/tests/TestInputListener.cpp
@@ -19,6 +19,15 @@
 
 #include "TestInputListener.h"
 
+namespace {
+
+using std::chrono_literals::operator""ms;
+
+// Timeout for waiting for an expected event
+static constexpr std::chrono::duration WAIT_TIMEOUT = 5ms;
+
+} // namespace
+
 namespace android {
 
 // --- TestInputListener ---
@@ -29,87 +38,117 @@
 
 void TestInputListener::assertNotifyConfigurationChangedWasCalled(
         NotifyConfigurationChangedArgs* outEventArgs) {
-    ASSERT_FALSE(mNotifyConfigurationChangedArgsQueue.empty())
-            << "Expected notifyConfigurationChanged() to have been called.";
-    if (outEventArgs) {
-        *outEventArgs = *mNotifyConfigurationChangedArgsQueue.begin();
-    }
-    mNotifyConfigurationChangedArgsQueue.erase(mNotifyConfigurationChangedArgsQueue.begin());
+    ASSERT_NO_FATAL_FAILURE(
+            assertCalled<NotifyConfigurationChangedArgs>(outEventArgs,
+                                                         "Expected notifyConfigurationChanged() "
+                                                         "to have been called."));
 }
 
 void TestInputListener::assertNotifyConfigurationChangedWasNotCalled() {
-    ASSERT_TRUE(mNotifyConfigurationChangedArgsQueue.empty())
-            << "Expected notifyConfigurationChanged() to not have been called.";
+    ASSERT_NO_FATAL_FAILURE(assertNotCalled<NotifyConfigurationChangedArgs>(
+            "notifyConfigurationChanged() should not be called."));
 }
 
 void TestInputListener::assertNotifyDeviceResetWasCalled(
         NotifyDeviceResetArgs* outEventArgs) {
-    ASSERT_FALSE(mNotifyDeviceResetArgsQueue.empty())
-            << "Expected notifyDeviceReset() to have been called.";
-    if (outEventArgs) {
-        *outEventArgs = *mNotifyDeviceResetArgsQueue.begin();
-    }
-    mNotifyDeviceResetArgsQueue.erase(mNotifyDeviceResetArgsQueue.begin());
+    ASSERT_NO_FATAL_FAILURE(
+            assertCalled<
+                    NotifyDeviceResetArgs>(outEventArgs,
+                                           "Expected notifyDeviceReset() to have been called."));
 }
 
 void TestInputListener::assertNotifyDeviceResetWasNotCalled() {
-    ASSERT_TRUE(mNotifyDeviceResetArgsQueue.empty())
-            << "Expected notifyDeviceReset() to not have been called.";
+    ASSERT_NO_FATAL_FAILURE(
+            assertNotCalled<NotifyDeviceResetArgs>("notifyDeviceReset() should not be called."));
 }
 
 void TestInputListener::assertNotifyKeyWasCalled(NotifyKeyArgs* outEventArgs) {
-    ASSERT_FALSE(mNotifyKeyArgsQueue.empty()) << "Expected notifyKey() to have been called.";
-    if (outEventArgs) {
-        *outEventArgs = *mNotifyKeyArgsQueue.begin();
-    }
-    mNotifyKeyArgsQueue.erase(mNotifyKeyArgsQueue.begin());
+    ASSERT_NO_FATAL_FAILURE(
+            assertCalled<NotifyKeyArgs>(outEventArgs, "Expected notifyKey() to have been called."));
 }
 
 void TestInputListener::assertNotifyKeyWasNotCalled() {
-    ASSERT_TRUE(mNotifyKeyArgsQueue.empty()) << "Expected notifyKey() to not have been called.";
+    ASSERT_NO_FATAL_FAILURE(assertNotCalled<NotifyKeyArgs>("notifyKey() should not be called."));
 }
 
 void TestInputListener::assertNotifyMotionWasCalled(NotifyMotionArgs* outEventArgs) {
-    ASSERT_FALSE(mNotifyMotionArgsQueue.empty()) << "Expected notifyMotion() to have been called.";
-    if (outEventArgs) {
-        *outEventArgs = *mNotifyMotionArgsQueue.begin();
-    }
-    mNotifyMotionArgsQueue.erase(mNotifyMotionArgsQueue.begin());
+    ASSERT_NO_FATAL_FAILURE(
+            assertCalled<NotifyMotionArgs>(outEventArgs,
+                                           "Expected notifyMotion() to have been called."));
 }
 
 void TestInputListener::assertNotifyMotionWasNotCalled() {
-    ASSERT_TRUE(mNotifyMotionArgsQueue.empty())
-            << "Expected notifyMotion() to not have been called.";
+    ASSERT_NO_FATAL_FAILURE(
+            assertNotCalled<NotifySwitchArgs>("notifySwitch() should not be called."));
 }
 
 void TestInputListener::assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs) {
-    ASSERT_FALSE(mNotifySwitchArgsQueue.empty())
-            << "Expected notifySwitch() to have been called.";
-    if (outEventArgs) {
-        *outEventArgs = *mNotifySwitchArgsQueue.begin();
+    ASSERT_NO_FATAL_FAILURE(
+            assertCalled<NotifySwitchArgs>(outEventArgs,
+                                           "Expected notifySwitch() to have been called."));
+}
+
+template <class NotifyArgsType>
+void TestInputListener::assertCalled(NotifyArgsType* outEventArgs, std::string message) {
+    std::unique_lock<std::mutex> lock(mLock);
+    base::ScopedLockAssertion assumeLocked(mLock);
+
+    std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
+    if (queue.empty()) {
+        const bool eventReceived =
+                mCondition.wait_for(lock, WAIT_TIMEOUT,
+                                    [&queue]() REQUIRES(mLock) { return !queue.empty(); });
+        if (!eventReceived) {
+            FAIL() << "Timed out waiting for event: " << message.c_str();
+        }
     }
-    mNotifySwitchArgsQueue.erase(mNotifySwitchArgsQueue.begin());
+    if (outEventArgs) {
+        *outEventArgs = *queue.begin();
+    }
+    queue.erase(queue.begin());
+}
+
+template <class NotifyArgsType>
+void TestInputListener::assertNotCalled(std::string message) {
+    std::unique_lock<std::mutex> lock(mLock);
+    base::ScopedLockAssertion assumeLocked(mLock);
+
+    std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
+    const bool eventReceived = mCondition.wait_for(lock, WAIT_TIMEOUT, [&queue]() REQUIRES(mLock) {
+        return !queue.empty();
+    });
+    if (eventReceived) {
+        FAIL() << "Unexpected event: " << message.c_str();
+    }
+}
+
+template <class NotifyArgsType>
+void TestInputListener::notify(const NotifyArgsType* args) {
+    std::scoped_lock<std::mutex> lock(mLock);
+
+    std::vector<NotifyArgsType>& queue = std::get<std::vector<NotifyArgsType>>(mQueues);
+    queue.push_back(*args);
+    mCondition.notify_all();
 }
 
 void TestInputListener::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
-    mNotifyConfigurationChangedArgsQueue.push_back(*args);
+    notify<NotifyConfigurationChangedArgs>(args);
 }
 
 void TestInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
-    mNotifyDeviceResetArgsQueue.push_back(*args);
+    notify<NotifyDeviceResetArgs>(args);
 }
 
 void TestInputListener::notifyKey(const NotifyKeyArgs* args) {
-    mNotifyKeyArgsQueue.push_back(*args);
+    notify<NotifyKeyArgs>(args);
 }
 
 void TestInputListener::notifyMotion(const NotifyMotionArgs* args) {
-    mNotifyMotionArgsQueue.push_back(*args);
+    notify<NotifyMotionArgs>(args);
 }
 
 void TestInputListener::notifySwitch(const NotifySwitchArgs* args) {
-        mNotifySwitchArgsQueue.push_back(*args);
-    }
-
+    notify<NotifySwitchArgs>(args);
+}
 
 } // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.h b/services/inputflinger/tests/TestInputListener.h
index 085d343..945e2ea 100644
--- a/services/inputflinger/tests/TestInputListener.h
+++ b/services/inputflinger/tests/TestInputListener.h
@@ -17,6 +17,7 @@
 #ifndef _UI_TEST_INPUT_LISTENER_H
 #define _UI_TEST_INPUT_LISTENER_H
 
+#include <android-base/thread_annotations.h>
 #include <gtest/gtest.h>
 #include "InputListener.h"
 
@@ -25,13 +26,6 @@
 // --- TestInputListener ---
 
 class TestInputListener : public InputListenerInterface {
-private:
-    std::vector<NotifyConfigurationChangedArgs> mNotifyConfigurationChangedArgsQueue;
-    std::vector<NotifyDeviceResetArgs> mNotifyDeviceResetArgsQueue;
-    std::vector<NotifyKeyArgs> mNotifyKeyArgsQueue;
-    std::vector<NotifyMotionArgs> mNotifyMotionArgsQueue;
-    std::vector<NotifySwitchArgs> mNotifySwitchArgsQueue;
-
 protected:
     virtual ~TestInputListener();
 
@@ -58,15 +52,34 @@
     void assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs = nullptr);
 
 private:
-    virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
+    template <class NotifyArgsType>
+    void assertCalled(NotifyArgsType* outEventArgs, std::string message);
 
-    virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
+    template <class NotifyArgsType>
+    void assertNotCalled(std::string message);
 
-    virtual void notifyKey(const NotifyKeyArgs* args);
+    template <class NotifyArgsType>
+    void notify(const NotifyArgsType* args);
 
-    virtual void notifyMotion(const NotifyMotionArgs* args);
+    virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
 
-    virtual void notifySwitch(const NotifySwitchArgs* args);
+    virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
+
+    virtual void notifyKey(const NotifyKeyArgs* args) override;
+
+    virtual void notifyMotion(const NotifyMotionArgs* args) override;
+
+    virtual void notifySwitch(const NotifySwitchArgs* args) override;
+
+    std::mutex mLock;
+    std::condition_variable mCondition;
+
+    std::tuple<std::vector<NotifyConfigurationChangedArgs>, //
+               std::vector<NotifyDeviceResetArgs>,          //
+               std::vector<NotifyKeyArgs>,                  //
+               std::vector<NotifyMotionArgs>,               //
+               std::vector<NotifySwitchArgs>>               //
+            mQueues GUARDED_BY(mLock);
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index b500ad3..a25709c 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -61,7 +61,7 @@
         mTextureName(args.textureName),
         mCompositionLayer{mFlinger->getCompositionEngine().createLayer(
                 compositionengine::LayerCreationArgs{this})} {
-    ALOGV("Creating Layer %s", args.name.string());
+    ALOGV("Creating Layer %s", getDebugName());
 
     mPremultipliedAlpha = !(args.flags & ISurfaceComposerClient::eNonPremultiplied);
 
@@ -107,11 +107,8 @@
 }
 
 bool BufferLayer::isVisible() const {
-    bool visible = !(isHiddenByPolicy()) && getAlpha() > 0.0f &&
+    return !isHiddenByPolicy() && getAlpha() > 0.0f &&
             (mBufferInfo.mBuffer != nullptr || mSidebandStream != nullptr);
-    mFlinger->mScheduler->setLayerVisibility(mSchedulerLayerHandle, visible);
-
-    return visible;
 }
 
 bool BufferLayer::isFixedSize() const {
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index d80a70e..c24cdaa 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -62,7 +62,7 @@
     std::vector<OccupancyTracker::Segment> history;
     status_t result = mConsumer->getOccupancyHistory(forceFlush, &history);
     if (result != NO_ERROR) {
-        ALOGW("[%s] Failed to obtain occupancy history (%d)", mName.string(), result);
+        ALOGW("[%s] Failed to obtain occupancy history (%d)", getDebugName(), result);
         return {};
     }
     return history;
@@ -110,7 +110,7 @@
     ALOGW_IF(!isPlausible,
              "[%s] Timestamp %" PRId64 " seems implausible "
              "relative to expectedPresent %" PRId64,
-             mName.string(), addedTime, expectedPresentTime);
+             getDebugName(), addedTime, expectedPresentTime);
 
     const bool isDue = addedTime < expectedPresentTime;
     return isDue || !isPlausible;
@@ -225,7 +225,7 @@
     bool queuedBuffer = false;
     const int32_t layerID = getSequence();
     LayerRejecter r(mDrawingState, getCurrentState(), recomputeVisibleRegions,
-                    getProducerStickyTransform() != 0, mName.string(), mOverrideScalingMode,
+                    getProducerStickyTransform() != 0, mName, mOverrideScalingMode,
                     getTransformToDisplayInverse());
 
     if (isRemovedFromCurrentState()) {
@@ -372,19 +372,25 @@
 // Interface implementation for BufferLayerConsumer::ContentsChangedListener
 // -----------------------------------------------------------------------
 
+void BufferQueueLayer::onFrameDequeued(const uint64_t bufferId) {
+    const int32_t layerID = getSequence();
+    mFlinger->mFrameTracer->traceTimestamp(layerID, bufferId, FrameTracer::UNSPECIFIED_FRAME_NUMBER,
+                                           systemTime(), FrameTracer::FrameEvent::DEQUEUE, 3000);
+}
+
 void BufferQueueLayer::onFrameAvailable(const BufferItem& item) {
     const int32_t layerID = getSequence();
     mFlinger->mFrameTracer->traceNewLayer(layerID, getName().c_str());
     mFlinger->mFrameTracer->traceTimestamp(layerID, item.mGraphicBuffer->getId(), item.mFrameNumber,
-                                           systemTime(), FrameTracer::FrameEvent::POST);
+                                           systemTime(), FrameTracer::FrameEvent::QUEUE);
 
     ATRACE_CALL();
     // Add this buffer from our internal queue tracker
     { // Autolock scope
         if (mFlinger->mUseSmart90ForVideo) {
             const nsecs_t presentTime = item.mIsAutoTimestamp ? 0 : item.mTimestamp;
-            mFlinger->mScheduler->addLayerPresentTimeAndHDR(mSchedulerLayerHandle, presentTime,
-                                                            item.mHdrMetadata.validTypes != 0);
+            mFlinger->mScheduler->recordLayerHistory(this, presentTime,
+                                                     item.mHdrMetadata.validTypes != 0);
         }
 
         Mutex::Autolock lock(mQueueItemLock);
@@ -398,7 +404,7 @@
         while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", mName.string());
+                ALOGE("[%s] Timed out waiting on callback", getDebugName());
             }
         }
 
@@ -426,7 +432,7 @@
         while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
             status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
             if (result != NO_ERROR) {
-                ALOGE("[%s] Timed out waiting on callback", mName.string());
+                ALOGE("[%s] Timed out waiting on callback", getDebugName());
             }
         }
 
@@ -459,12 +465,14 @@
     // Creates a custom BufferQueue for SurfaceFlingerConsumer to use
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
-    BufferQueue::createBufferQueue(&producer, &consumer, true);
-    mProducer = new MonitoredProducer(producer, mFlinger, this);
-    mConsumer = new BufferLayerConsumer(consumer, mFlinger->getRenderEngine(), mTextureName, this);
+    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));
     mConsumer->setContentsChangedListener(this);
-    mConsumer->setName(mName);
+    mConsumer->setName(String8(mName.data(), mName.size()));
 
     // BufferQueueCore::mMaxDequeuedBufferCount is default to 1
     if (!mFlinger->isLayerTripleBufferingDisabled()) {
@@ -527,9 +535,7 @@
 }
 
 sp<Layer> BufferQueueLayer::createClone() {
-    const String8 name = mName + " (Mirror)";
-    LayerCreationArgs args =
-            LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, 0, LayerMetadata());
+    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, 0, 0, LayerMetadata());
     args.textureName = mTextureName;
     sp<BufferQueueLayer> layer = mFlinger->getFactory().createBufferQueueLayer(args);
     layer->setInitialValuesForClone(this);
diff --git a/services/surfaceflinger/BufferQueueLayer.h b/services/surfaceflinger/BufferQueueLayer.h
index f3e8a19..95e0b10 100644
--- a/services/surfaceflinger/BufferQueueLayer.h
+++ b/services/surfaceflinger/BufferQueueLayer.h
@@ -93,6 +93,7 @@
     void onFrameAvailable(const BufferItem& item) override;
     void onFrameReplaced(const BufferItem& item) override;
     void onSidebandStreamChanged() override;
+    void onFrameDequeued(const uint64_t bufferId) override;
     // -----------------------------------------------------------------------
 
 public:
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 75fc0e9..5768edd 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -103,12 +103,15 @@
     }
 }
 
-void BufferStateLayer::setTransformHint(uint32_t /*orientation*/) const {
-    // TODO(marissaw): send the transform hint to buffer owner
-    return;
+void BufferStateLayer::setTransformHint(uint32_t orientation) const {
+    mTransformHint = orientation;
 }
 
 void BufferStateLayer::releasePendingBuffer(nsecs_t /*dequeueReadyTime*/) {
+    for (const auto& handle : mDrawingState.callbackHandles) {
+        handle->transformHint = mTransformHint;
+    }
+
     mFlinger->getTransactionCompletedThread().finalizePendingCallbackHandles(
             mDrawingState.callbackHandles);
 
@@ -136,7 +139,7 @@
         return;
     }
     mPendingStates.push_back(mCurrentState);
-    ATRACE_INT(mTransactionName.string(), mPendingStates.size());
+    ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
 bool BufferStateLayer::applyPendingStates(Layer::State* stateToCommit) {
@@ -246,8 +249,8 @@
 
     if (mFlinger->mUseSmart90ForVideo) {
         const nsecs_t presentTime = (desiredPresentTime == -1) ? 0 : desiredPresentTime;
-        mFlinger->mScheduler->addLayerPresentTimeAndHDR(mSchedulerLayerHandle, presentTime,
-                                                        mCurrentState.hdrMetadata.validTypes != 0);
+        mFlinger->mScheduler->recordLayerHistory(this, presentTime,
+                                                 mCurrentState.hdrMetadata.validTypes != 0);
     }
 
     return true;
@@ -479,7 +482,7 @@
         (s.active.w != bufferWidth || s.active.h != bufferHeight)) {
         ALOGE("[%s] rejecting buffer: "
               "bufferWidth=%d, bufferHeight=%d, front.active.{w=%d, h=%d}",
-              mName.string(), bufferWidth, bufferHeight, s.active.w, s.active.h);
+              getDebugName(), bufferWidth, bufferHeight, s.active.w, s.active.h);
         mFlinger->mTimeStats->removeTimeRecord(layerID, mFrameNumber);
         return BAD_VALUE;
     }
@@ -669,9 +672,7 @@
 }
 
 sp<Layer> BufferStateLayer::createClone() {
-    const String8 name = mName + " (Mirror)";
-    LayerCreationArgs args =
-            LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, 0, LayerMetadata());
+    LayerCreationArgs args(mFlinger.get(), nullptr, mName + " (Mirror)", 0, 0, 0, LayerMetadata());
     args.textureName = mTextureName;
     sp<BufferStateLayer> layer = mFlinger->getFactory().createBufferStateLayer(args);
     layer->mHwcSlotGenerator = mHwcSlotGenerator;
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 3dfe76c..289bb17 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -149,6 +149,8 @@
     bool mReleasePreviousBuffer = false;
     nsecs_t mCallbackHandleAcquireTime = -1;
 
+    mutable uint32_t mTransformHint = 0;
+
     // TODO(marissaw): support sticky transform for LEGACY camera mode
 
     class HwcSlotGenerator : public ClientCache::ErasedRecipient {
diff --git a/services/surfaceflinger/ColorLayer.cpp b/services/surfaceflinger/ColorLayer.cpp
index 172d445..8bfa569 100644
--- a/services/surfaceflinger/ColorLayer.cpp
+++ b/services/surfaceflinger/ColorLayer.cpp
@@ -108,13 +108,11 @@
 }
 
 sp<Layer> ColorLayer::createClone() {
-    String8 name = mName + " (Mirror)";
     sp<ColorLayer> layer = mFlinger->getFactory().createColorLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, 0, LayerMetadata()));
+            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, 0, 0,
+                              LayerMetadata()));
     layer->setInitialValuesForClone(this);
     return layer;
 }
 
-// ---------------------------------------------------------------------------
-
-}; // namespace android
+} // namespace android
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index 721e953..ce0222c 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -326,6 +326,9 @@
     writeOutputIndependentPerFrameStateToHWC(hwcLayer.get(), outputIndependentState);
 
     writeCompositionTypeToHWC(hwcLayer.get(), requestedCompositionType);
+
+    // Always set the layer color after setting the composition type.
+    writeSolidColorStateToHWC(hwcLayer.get(), outputIndependentState);
 }
 
 void OutputLayer::writeOutputDependentGeometryStateToHWC(
@@ -435,7 +438,7 @@
     // Content-specific per-frame state
     switch (outputIndependentState.compositionType) {
         case Hwc2::IComposerClient::Composition::SOLID_COLOR:
-            writeSolidColorStateToHWC(hwcLayer, outputIndependentState);
+            // For compatibility, should be written AFTER the composition type.
             break;
         case Hwc2::IComposerClient::Composition::SIDEBAND:
             writeSidebandStateToHWC(hwcLayer, outputIndependentState);
@@ -453,6 +456,10 @@
 
 void OutputLayer::writeSolidColorStateToHWC(HWC2::Layer* hwcLayer,
                                             const LayerFECompositionState& outputIndependentState) {
+    if (outputIndependentState.compositionType != Hwc2::IComposerClient::Composition::SOLID_COLOR) {
+        return;
+    }
+
     hwc_color_t color = {static_cast<uint8_t>(std::round(255.0f * outputIndependentState.color.r)),
                          static_cast<uint8_t>(std::round(255.0f * outputIndependentState.color.g)),
                          static_cast<uint8_t>(std::round(255.0f * outputIndependentState.color.b)),
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index a338784..88acd04 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -33,6 +33,7 @@
 namespace {
 
 using testing::_;
+using testing::InSequence;
 using testing::Return;
 using testing::ReturnRef;
 using testing::StrictMock;
@@ -769,8 +770,13 @@
     mLayerFEState.compositionType = Hwc2::IComposerClient::Composition::SOLID_COLOR;
 
     expectPerFrameCommonCalls();
-    expectSetColorCall();
+
+    // Setting the composition type should happen before setting the color. We
+    // check this in this test only by setting up an testing::InSeqeuence
+    // instance before setting up the two expectations.
+    InSequence s;
     expectSetCompositionTypeCall(Hwc2::IComposerClient::Composition::SOLID_COLOR);
+    expectSetColorCall();
 
     mOutputLayer.writeStateToHWC(false);
 }
diff --git a/services/surfaceflinger/ContainerLayer.cpp b/services/surfaceflinger/ContainerLayer.cpp
index e58e6f4..ab664be 100644
--- a/services/surfaceflinger/ContainerLayer.cpp
+++ b/services/surfaceflinger/ContainerLayer.cpp
@@ -31,10 +31,11 @@
 }
 
 sp<Layer> ContainerLayer::createClone() {
-    String8 name = mName + " (Mirror)";
     sp<ContainerLayer> layer = mFlinger->getFactory().createContainerLayer(
-            LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, 0, LayerMetadata()));
+            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, 0, 0,
+                              LayerMetadata()));
     layer->setInitialValuesForClone(this);
     return layer;
 }
+
 } // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index acddc42..aef1c75 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -95,6 +95,7 @@
 
 // assume NO_RESOURCES when Status::isOk returns false
 constexpr Error kDefaultError = Error::NO_RESOURCES;
+constexpr V2_4::Error kDefaultError_2_4 = V2_4::Error::NO_RESOURCES;
 
 template<typename T, typename U>
 T unwrapRet(Return<T>& ret, const U& default_val)
@@ -177,7 +178,7 @@
 
     if (sp<IComposer> composer_2_4 = IComposer::castFrom(mComposer)) {
         composer_2_4->createClient_2_4([&](const auto& tmpError, const auto& tmpClient) {
-            if (tmpError == Error::NONE) {
+            if (tmpError == V2_4::Error::NONE) {
                 mClient = tmpClient;
                 mClient_2_2 = tmpClient;
                 mClient_2_3 = tmpClient;
@@ -1172,12 +1173,12 @@
         return Error::UNSUPPORTED;
     }
 
-    Error error = kDefaultError;
+    V2_4::Error error = kDefaultError_2_4;
     if (mClient_2_4) {
         mClient_2_4->getDisplayCapabilities_2_4(display,
                                                 [&](const auto& tmpError, const auto& tmpCaps) {
                                                     error = tmpError;
-                                                    if (error != Error::NONE) {
+                                                    if (error != V2_4::Error::NONE) {
                                                         return;
                                                     }
                                                     *outCapabilities = tmpCaps;
@@ -1185,8 +1186,8 @@
     } else {
         mClient_2_3
                 ->getDisplayCapabilities(display, [&](const auto& tmpError, const auto& tmpCaps) {
-                    error = tmpError;
-                    if (error != Error::NONE) {
+                    error = static_cast<V2_4::Error>(tmpError);
+                    if (error != V2_4::Error::NONE) {
                         return;
                     }
 
@@ -1196,7 +1197,7 @@
                 });
     }
 
-    return error;
+    return static_cast<Error>(error);
 }
 
 Error Composer::getDisplayConnectionType(Display display,
@@ -1205,17 +1206,17 @@
         return Error::UNSUPPORTED;
     }
 
-    Error error = kDefaultError;
+    V2_4::Error error = kDefaultError_2_4;
     mClient_2_4->getDisplayConnectionType(display, [&](const auto& tmpError, const auto& tmpType) {
         error = tmpError;
-        if (error != Error::NONE) {
+        if (error != V2_4::Error::NONE) {
             return;
         }
 
         *outType = tmpType;
     });
 
-    return error;
+    return static_cast<V2_1::Error>(error);
 }
 
 CommandReader::~CommandReader()
diff --git a/services/surfaceflinger/EventLog/EventLog.cpp b/services/surfaceflinger/EventLog/EventLog.cpp
index 365a0bd..a532fc1 100644
--- a/services/surfaceflinger/EventLog/EventLog.cpp
+++ b/services/surfaceflinger/EventLog/EventLog.cpp
@@ -17,13 +17,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <log/log.h>
-#include <utils/String8.h>
 
 #include "EventLog.h"
 
-// ---------------------------------------------------------------------------
 namespace android {
-// ---------------------------------------------------------------------------
 
 ANDROID_SINGLETON_STATIC_INSTANCE(EventLog)
 
@@ -31,11 +28,11 @@
 EventLog::EventLog() {
 }
 
-void EventLog::doLogFrameDurations(const String8& window,
-        const int32_t* durations, size_t numDurations) {
+void EventLog::doLogFrameDurations(const std::string_view& name, const int32_t* durations,
+                                   size_t numDurations) {
     EventLog::TagBuffer buffer(LOGTAG_SF_FRAME_DUR);
     buffer.startList(1 + numDurations);
-    buffer.writeString8(window);
+    buffer.writeString(name);
     for (size_t i = 0; i < numDurations; i++) {
         buffer.writeInt32(durations[i]);
     }
@@ -43,10 +40,9 @@
     buffer.log();
 }
 
-void EventLog::logFrameDurations(const String8& window,
-        const int32_t* durations, size_t numDurations) {
-    EventLog::getInstance().doLogFrameDurations(window, durations,
-            numDurations);
+void EventLog::logFrameDurations(const std::string_view& name, const int32_t* durations,
+                                 size_t numDurations) {
+    EventLog::getInstance().doLogFrameDurations(name, durations, numDurations);
 }
 
 // ---------------------------------------------------------------------------
@@ -113,9 +109,9 @@
     mPos += needed;
 }
 
-void EventLog::TagBuffer::writeString8(const String8& value) {
+void EventLog::TagBuffer::writeString(const std::string_view& value) {
     if (mOverflow) return;
-    const int32_t stringLen = value.length();
+    const size_t stringLen = value.length();
     const size_t needed = 1 + sizeof(int32_t) + stringLen;
     if (mPos + needed > STORAGE_MAX_SIZE) {
         mOverflow = true;
@@ -123,11 +119,8 @@
     }
     mStorage[mPos + 0] = EVENT_TYPE_STRING;
     memcpy(&mStorage[mPos + 1], &stringLen, sizeof(int32_t));
-    memcpy(&mStorage[mPos + 5], value.string(), stringLen);
+    memcpy(&mStorage[mPos + 5], value.data(), stringLen);
     mPos += needed;
 }
 
-// ---------------------------------------------------------------------------
-}// namespace android
-
-// ---------------------------------------------------------------------------
+} // namespace android
diff --git a/services/surfaceflinger/EventLog/EventLog.h b/services/surfaceflinger/EventLog/EventLog.h
index efc5d70..ee3587e 100644
--- a/services/surfaceflinger/EventLog/EventLog.h
+++ b/services/surfaceflinger/EventLog/EventLog.h
@@ -14,24 +14,21 @@
  * limitations under the License.
  */
 
-#include <stdint.h>
+#pragma once
+
 #include <utils/Errors.h>
 #include <utils/Singleton.h>
 
-#ifndef ANDROID_SF_EVENTLOG_H
-#define ANDROID_SF_EVENTLOG_H
+#include <cstdint>
+#include <string_view>
 
-// ---------------------------------------------------------------------------
 namespace android {
-// ---------------------------------------------------------------------------
-
-class String8;
 
 class EventLog : public Singleton<EventLog> {
 
 public:
-    static void logFrameDurations(const String8& window,
-            const int32_t* durations, size_t numDurations);
+    static void logFrameDurations(const std::string_view& name, const int32_t* durations,
+                                  size_t numDurations);
 
 protected:
     EventLog();
@@ -54,18 +51,13 @@
     public:
         explicit TagBuffer(int32_t tag);
 
-        // starts list of items
         void startList(int8_t count);
-        // terminates the list
         void endList();
-        // write a 32-bit integer
-        void writeInt32(int32_t value);
-        // write a 64-bit integer
-        void writeInt64(int64_t value);
-        // write a C string
-        void writeString8(const String8& value);
 
-        // outputs the the buffer to the log
+        void writeInt32(int32_t);
+        void writeInt64(int64_t);
+        void writeString(const std::string_view&);
+
         void log();
     };
 
@@ -74,12 +66,8 @@
     EventLog& operator =(const EventLog&);
 
     enum { LOGTAG_SF_FRAME_DUR = 60100 };
-    void doLogFrameDurations(const String8& window, const int32_t* durations,
-            size_t numDurations);
+    void doLogFrameDurations(const std::string_view& name, const int32_t* durations,
+                             size_t numDurations);
 };
 
-// ---------------------------------------------------------------------------
-}// namespace android
-// ---------------------------------------------------------------------------
-
-#endif /* ANDROID_SF_EVENTLOG_H */
+} // namespace android
diff --git a/services/surfaceflinger/FrameTracer/FrameTracer.cpp b/services/surfaceflinger/FrameTracer/FrameTracer.cpp
index 006dbfe..3a0408e 100644
--- a/services/surfaceflinger/FrameTracer/FrameTracer.cpp
+++ b/services/surfaceflinger/FrameTracer/FrameTracer.cpp
@@ -133,7 +133,9 @@
     packet->set_timestamp(timestamp);
     auto* event = packet->set_graphics_frame_event()->set_buffer_event();
     event->set_buffer_id(static_cast<uint32_t>(bufferID));
-    event->set_frame_number(frameNumber);
+    if (frameNumber != UNSPECIFIED_FRAME_NUMBER) {
+        event->set_frame_number(frameNumber);
+    }
     event->set_type(type);
 
     if (mTraceTracker.find(layerID) != mTraceTracker.end() &&
diff --git a/services/surfaceflinger/FrameTracer/FrameTracer.h b/services/surfaceflinger/FrameTracer/FrameTracer.h
index d4dfab9..e91a750 100644
--- a/services/surfaceflinger/FrameTracer/FrameTracer.h
+++ b/services/surfaceflinger/FrameTracer/FrameTracer.h
@@ -33,6 +33,8 @@
         virtual void OnStop(const StopArgs&) override{};
     };
 
+    static const uint64_t UNSPECIFIED_FRAME_NUMBER = std::numeric_limits<uint64_t>::max();
+
     using FrameEvent = perfetto::protos::pbzero::GraphicsFrameEvent;
 
     ~FrameTracer() = default;
diff --git a/services/surfaceflinger/FrameTracker.cpp b/services/surfaceflinger/FrameTracker.cpp
index f4cc49b..a6e511e 100644
--- a/services/surfaceflinger/FrameTracker.cpp
+++ b/services/surfaceflinger/FrameTracker.cpp
@@ -21,7 +21,6 @@
 
 #include <android-base/stringprintf.h>
 #include <android/log.h>
-#include <utils/String8.h>
 
 #include <ui/FrameStats.h>
 
@@ -139,7 +138,7 @@
     }
 }
 
-void FrameTracker::logAndResetStats(const String8& name) {
+void FrameTracker::logAndResetStats(const std::string_view& name) {
     Mutex::Autolock lock(mMutex);
     logStatsLocked(name);
     resetFrameCountersLocked();
@@ -217,7 +216,7 @@
     }
 }
 
-void FrameTracker::logStatsLocked(const String8& name) const {
+void FrameTracker::logStatsLocked(const std::string_view& name) const {
     for (int i = 0; i < NUM_FRAME_BUCKETS; i++) {
         if (mNumFrames[i] > 0) {
             EventLog::logFrameDurations(name, mNumFrames, NUM_FRAME_BUCKETS);
diff --git a/services/surfaceflinger/FrameTracker.h b/services/surfaceflinger/FrameTracker.h
index 555dcc1..35382be 100644
--- a/services/surfaceflinger/FrameTracker.h
+++ b/services/surfaceflinger/FrameTracker.h
@@ -14,21 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_FRAMETRACKER_H
-#define ANDROID_FRAMETRACKER_H
+#pragma once
 
 #include <ui/FenceTime.h>
-
-#include <stddef.h>
-
 #include <utils/Mutex.h>
-#include <utils/Timers.h>
 #include <utils/RefBase.h>
+#include <utils/Timers.h>
+
+#include <cstddef>
+#include <string_view>
 
 namespace android {
 
-class String8;
-
 // FrameTracker tracks information about the most recently rendered frames. It
 // uses a circular buffer of frame records, and is *NOT* thread-safe -
 // mutexing must be done at a higher level if multi-threaded access is
@@ -87,7 +84,7 @@
 
     // logAndResetStats dumps the current statistics to the binary event log
     // and then resets the accumulated statistics to their initial values.
-    void logAndResetStats(const String8& name);
+    void logAndResetStats(const std::string_view& name);
 
     // dumpStats dump appends the current frame display time history to the result string.
     void dumpStats(std::string& result) const;
@@ -123,7 +120,7 @@
     void resetFrameCountersLocked();
 
     // logStatsLocked dumps the current statistics to the binary event log.
-    void logStatsLocked(const String8& name) const;
+    void logStatsLocked(const std::string_view& name) const;
 
     // isFrameValidLocked returns true if the data for the given frame index is
     // valid and has all arrived (i.e. there are no oustanding fences).
@@ -160,6 +157,4 @@
     mutable Mutex mMutex;
 };
 
-}
-
-#endif // ANDROID_FRAMETRACKER_H
+} // namespace android
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 7065460..e19b79b 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -83,8 +83,6 @@
     if (args.flags & ISurfaceComposerClient::eOpaque) layerFlags |= layer_state_t::eLayerOpaque;
     if (args.flags & ISurfaceComposerClient::eSecure) layerFlags |= layer_state_t::eLayerSecure;
 
-    mTransactionName = String8("TX - ") + mName;
-
     mCurrentState.active_legacy.w = args.w;
     mCurrentState.active_legacy.h = args.h;
     mCurrentState.flags = layerFlags;
@@ -120,10 +118,9 @@
     mFrameEventHistory.initializeCompositorTiming(compositorTiming);
     mFrameTracker.setDisplayRefreshPeriod(compositorTiming.interval);
 
-    mSchedulerLayerHandle = mFlinger->mScheduler->registerLayer(mName.c_str(), mWindowType);
     mCallingPid = args.callingPid;
     mCallingUid = args.callingUid;
-    mFlinger->onLayerCreated();
+    mFlinger->onLayerCreated(this);
 }
 
 Layer::~Layer() {
@@ -137,11 +134,11 @@
 }
 
 LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, const sp<Client>& client,
-                                     const String8& name, uint32_t w, uint32_t h, uint32_t flags,
+                                     std::string name, uint32_t w, uint32_t h, uint32_t flags,
                                      LayerMetadata metadata)
       : flinger(flinger),
         client(client),
-        name(name),
+        name(std::move(name)),
         w(w),
         h(h),
         flags(flags),
@@ -235,10 +232,6 @@
 // set-up
 // ---------------------------------------------------------------------------
 
-const String8& Layer::getName() const {
-    return mName;
-}
-
 bool Layer::getPremultipledAlpha() const {
     return mPremultipliedAlpha;
 }
@@ -523,7 +516,7 @@
 }
 
 const char* Layer::getDebugName() const {
-    return mName.string();
+    return mName.c_str();
 }
 
 // ---------------------------------------------------------------------------
@@ -614,7 +607,7 @@
     if (mCurrentState.barrierLayer_legacy != nullptr && !isRemovedFromCurrentState()) {
         sp<Layer> barrierLayer = mCurrentState.barrierLayer_legacy.promote();
         if (barrierLayer == nullptr) {
-            ALOGE("[%s] Unable to promote barrier Layer.", mName.string());
+            ALOGE("[%s] Unable to promote barrier Layer.", getDebugName());
             // If we can't promote the layer we are intended to wait on,
             // then it is expired or otherwise invalid. Allow this transaction
             // to be applied as per normal (no synchronization).
@@ -638,7 +631,7 @@
         mFlinger->setTransactionFlags(eTraversalNeeded);
     }
     mPendingStates.push_back(mCurrentState);
-    ATRACE_INT(mTransactionName.string(), mPendingStates.size());
+    ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
 void Layer::popPendingState(State* stateToCommit) {
@@ -646,7 +639,7 @@
     *stateToCommit = mPendingStates[0];
 
     mPendingStates.removeAt(0);
-    ATRACE_INT(mTransactionName.string(), mPendingStates.size());
+    ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
 bool Layer::applyPendingStates(State* stateToCommit) {
@@ -657,7 +650,7 @@
                 // If we don't have a sync point for this, apply it anyway. It
                 // will be visually wrong, but it should keep us from getting
                 // into too much trouble.
-                ALOGE("[%s] No local sync point found", mName.string());
+                ALOGE("[%s] No local sync point found", getDebugName());
                 popPendingState(stateToCommit);
                 stateUpdateAvailable = true;
                 continue;
@@ -665,7 +658,7 @@
 
             if (mRemoteSyncPoints.front()->getFrameNumber() !=
                 mPendingStates[0].frameNumber_legacy) {
-                ALOGE("[%s] Unexpected sync point frame number found", mName.string());
+                ALOGE("[%s] Unexpected sync point frame number found", getDebugName());
 
                 // Signal our end of the sync point and then dispose of it
                 mRemoteSyncPoints.front()->setTransactionApplied();
@@ -717,7 +710,7 @@
                  "            requested={ wh={%4u,%4u} }}\n"
                  "  drawing={ active   ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n"
                  "            requested={ wh={%4u,%4u} }}\n",
-                 this, getName().string(), getBufferTransform(), getEffectiveScalingMode(),
+                 this, getName().c_str(), getBufferTransform(), getEffectiveScalingMode(),
                  stateToCommit->active_legacy.w, stateToCommit->active_legacy.h,
                  stateToCommit->crop_legacy.left, stateToCommit->crop_legacy.top,
                  stateToCommit->crop_legacy.right, stateToCommit->crop_legacy.bottom,
@@ -999,9 +992,10 @@
     if (!mCurrentState.bgColorLayer && alpha != 0) {
         // create background color layer if one does not yet exist
         uint32_t flags = ISurfaceComposerClient::eFXSurfaceColor;
-        const String8& name = mName + "BackgroundColorLayer";
+        std::string name = mName + "BackgroundColorLayer";
         mCurrentState.bgColorLayer = mFlinger->getFactory().createColorLayer(
-                LayerCreationArgs(mFlinger.get(), nullptr, name, 0, 0, flags, LayerMetadata()));
+                LayerCreationArgs(mFlinger.get(), nullptr, std::move(name), 0, 0, flags,
+                                  LayerMetadata()));
 
         // add to child list
         addChild(mCurrentState.bgColorLayer);
@@ -1196,11 +1190,13 @@
 
 // TODO(marissaw): add new layer state info to layer debugging
 LayerDebugInfo Layer::getLayerDebugInfo() const {
+    using namespace std::string_literals;
+
     LayerDebugInfo info;
     const State& ds = getDrawingState();
     info.mName = getName();
     sp<Layer> parent = getParent();
-    info.mParentName = (parent == nullptr ? std::string("none") : parent->getName().string());
+    info.mParentName = parent ? parent->getName() : "none"s;
     info.mType = getType();
     info.mTransparentRegion = ds.activeTransparentRegion_legacy;
 
@@ -1267,12 +1263,12 @@
     std::string name;
     if (mName.length() > 77) {
         std::string shortened;
-        shortened.append(mName.string(), 36);
+        shortened.append(mName, 0, 36);
         shortened.append("[...]");
-        shortened.append(mName.string() + (mName.length() - 36), 36);
-        name = shortened;
+        shortened.append(mName, mName.length() - 36);
+        name = std::move(shortened);
     } else {
-        name = std::string(mName.string(), mName.size());
+        name = mName;
     }
 
     StringAppendF(&result, " %s\n", name.c_str());
@@ -1319,14 +1315,14 @@
 }
 
 void Layer::dumpFrameEvents(std::string& result) {
-    StringAppendF(&result, "- Layer %s (%s, %p)\n", getName().string(), getType(), this);
+    StringAppendF(&result, "- Layer %s (%s, %p)\n", getName().c_str(), getType(), this);
     Mutex::Autolock lock(mFrameEventHistoryMutex);
     mFrameEventHistory.checkFencesForCompletion();
     mFrameEventHistory.dump(result);
 }
 
 void Layer::dumpCallingUidPid(std::string& result) const {
-    StringAppendF(&result, "Layer %s (%s) pid:%d uid:%d\n", getName().string(), getType(),
+    StringAppendF(&result, "Layer %s (%s) pid:%d uid:%d\n", getName().c_str(), getType(),
                   mCallingPid, mCallingUid);
 }
 
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 3023cf5..fdac98f 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -34,7 +34,6 @@
 #include <ui/Region.h>
 #include <ui/Transform.h>
 #include <utils/RefBase.h>
-#include <utils/String8.h>
 #include <utils/Timers.h>
 
 #include <cstdint>
@@ -79,12 +78,12 @@
 // ---------------------------------------------------------------------------
 
 struct LayerCreationArgs {
-    LayerCreationArgs(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name,
+    LayerCreationArgs(SurfaceFlinger* flinger, const sp<Client>& client, std::string name,
                       uint32_t w, uint32_t h, uint32_t flags, LayerMetadata metadata);
 
     SurfaceFlinger* flinger;
     const sp<Client>& client;
-    const String8& name;
+    std::string name;
     uint32_t w;
     uint32_t h;
     uint32_t flags;
@@ -222,6 +221,8 @@
     explicit Layer(const LayerCreationArgs& args);
     virtual ~Layer();
 
+    int getWindowType() const { return mWindowType; }
+
     void setPrimaryDisplayOnly() { mPrimaryDisplayOnly = true; }
     bool getPrimaryDisplayOnly() const { return mPrimaryDisplayOnly; }
 
@@ -804,7 +805,7 @@
     // Creates a new handle each time, so we only expect
     // this to be called once.
     sp<IBinder> getHandle();
-    const String8& getName() const;
+    const std::string& getName() const { return mName; }
     virtual void notifyAvailableFrames(nsecs_t /*expectedPresentTime*/) {}
     virtual PixelFormat getPixelFormat() const { return PIXEL_FORMAT_NONE; }
     bool getPremultipledAlpha() const;
@@ -820,8 +821,8 @@
     bool usingRelativeZ(LayerVector::StateSet stateSet) const;
 
     bool mPremultipliedAlpha{true};
-    String8 mName;
-    String8 mTransactionName; // A cached version of "TX - " + mName for systraces
+    const std::string mName;
+    const std::string mTransactionName{"TX - " + mName};
 
     bool mPrimaryDisplayOnly = false;
 
@@ -887,9 +888,6 @@
     // Window types from WindowManager.LayoutParams
     const int mWindowType;
 
-    // This is populated if the layer is registered with Scheduler for tracking purposes.
-    std::unique_ptr<scheduler::LayerHistory::LayerHandle> mSchedulerLayerHandle;
-
 private:
     /**
      * Returns an unsorted vector of all layers that are part of this tree.
diff --git a/services/surfaceflinger/LayerRejecter.cpp b/services/surfaceflinger/LayerRejecter.cpp
index 8a22183..1a60f1e 100644
--- a/services/surfaceflinger/LayerRejecter.cpp
+++ b/services/surfaceflinger/LayerRejecter.cpp
@@ -24,7 +24,7 @@
 namespace android {
 
 LayerRejecter::LayerRejecter(Layer::State& front, Layer::State& current,
-                             bool& recomputeVisibleRegions, bool stickySet, const char* name,
+                             bool& recomputeVisibleRegions, bool stickySet, const std::string& name,
                              int32_t overrideScalingMode, bool transformToDisplayInverse)
       : mFront(front),
         mCurrent(current),
@@ -90,7 +90,7 @@
                  "(%4d,%4d) "
                  "}\n"
                  "            requested_legacy={ wh={%4u,%4u} }}\n",
-                 mName, bufWidth, bufHeight, item.mTransform, item.mScalingMode,
+                 mName.c_str(), bufWidth, bufHeight, item.mTransform, item.mScalingMode,
                  mFront.active_legacy.w, mFront.active_legacy.h, mFront.crop_legacy.left,
                  mFront.crop_legacy.top, mFront.crop_legacy.right, mFront.crop_legacy.bottom,
                  mFront.crop_legacy.getWidth(), mFront.crop_legacy.getHeight(),
@@ -102,7 +102,8 @@
             // reject this buffer
             ALOGE("[%s] rejecting buffer: "
                   "bufWidth=%d, bufHeight=%d, front.active_legacy.{w=%d, h=%d}",
-                  mName, bufWidth, bufHeight, mFront.active_legacy.w, mFront.active_legacy.h);
+                  mName.c_str(), bufWidth, bufHeight, mFront.active_legacy.w,
+                  mFront.active_legacy.h);
             return true;
         }
     }
diff --git a/services/surfaceflinger/LayerRejecter.h b/services/surfaceflinger/LayerRejecter.h
index 1bd0c26..fb5c750 100644
--- a/services/surfaceflinger/LayerRejecter.h
+++ b/services/surfaceflinger/LayerRejecter.h
@@ -14,30 +14,29 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_LAYER_REJECTER_H
-#define ANDROID_LAYER_REJECTER_H
+#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 char *name, int32_t overrideScalingMode,
-                      bool transformToDisplayInverse);
 
-        virtual bool reject(const sp<GraphicBuffer> &buf, const BufferItem &item);
+class LayerRejecter : public BufferLayerConsumer::BufferRejecter {
+public:
+    LayerRejecter(Layer::State& front, Layer::State& current, bool& recomputeVisibleRegions,
+                  bool stickySet, const std::string& name, int32_t overrideScalingMode,
+                  bool transformToDisplayInverse);
 
-    private:
-        Layer::State &mFront;
-        Layer::State &mCurrent;
-        bool &mRecomputeVisibleRegions;
-        bool mStickyTransformSet;
-        const char *mName;
-        int32_t mOverrideScalingMode;
-        bool mTransformToDisplayInverse;
-    };
-}  // namespace android
+    virtual bool reject(const sp<GraphicBuffer>&, const BufferItem&);
 
-#endif  // ANDROID_LAYER_REJECTER_H
+private:
+    Layer::State& mFront;
+    Layer::State& mCurrent;
+    bool& mRecomputeVisibleRegions;
+    const bool mStickyTransformSet;
+    const std::string& mName;
+    const int32_t mOverrideScalingMode;
+    const bool mTransformToDisplayInverse;
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index b7e772d..a484373 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -419,7 +419,7 @@
             }
             if (!intersectsAnyArea) return;
 
-            ALOGV("Traversing [%s] [%d, %d, %d, %d]", layer->getName().string(), bounds.left,
+            ALOGV("Traversing [%s] [%d, %d, %d, %d]", layer->getDebugName(), bounds.left,
                   bounds.top, bounds.right, bounds.bottom);
             visitor(layer);
         };
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index 5473db6..8b71728 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -14,183 +14,150 @@
  * limitations under the License.
  */
 
+#undef LOG_TAG
+#define LOG_TAG "LayerHistory"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
 #include "LayerHistory.h"
 
-#include <cinttypes>
-#include <cstdint>
-#include <limits>
-#include <numeric>
-#include <string>
-#include <unordered_map>
-
 #include <cutils/properties.h>
 #include <utils/Log.h>
 #include <utils/Timers.h>
 #include <utils/Trace.h>
 
+#include <algorithm>
+#include <cmath>
+#include <string>
+#include <utility>
+
+#include "../Layer.h"
+#include "LayerInfo.h"
 #include "SchedulerUtils.h"
 
-namespace android {
-namespace scheduler {
+namespace android::scheduler {
 
-std::atomic<int64_t> LayerHistory::sNextId = 0;
+namespace {
 
-LayerHistory::LayerHistory() {
+bool isLayerActive(const Layer& layer, const LayerInfo& info, nsecs_t threshold) {
+    return layer.isVisible() && (info.isHDR() || info.getLastUpdatedTime() >= threshold);
+}
+
+bool traceEnabled() {
     char value[PROPERTY_VALUE_MAX];
     property_get("debug.sf.layer_history_trace", value, "0");
-    mTraceEnabled = static_cast<bool>(atoi(value));
+    return atoi(value);
 }
 
+void trace(const wp<Layer>& weak, int fps) {
+    const auto layer = weak.promote();
+    if (!layer) return;
+
+    const auto& name = layer->getName();
+    const auto tag = "LFPS " + name;
+    ATRACE_INT(tag.c_str(), fps);
+    ALOGD("%s: %s @ %d Hz", __FUNCTION__, name.c_str(), fps);
+}
+
+} // namespace
+
+LayerHistory::LayerHistory() : mTraceEnabled(traceEnabled()) {}
 LayerHistory::~LayerHistory() = default;
 
-std::unique_ptr<LayerHistory::LayerHandle> LayerHistory::createLayer(const std::string name,
-                                                                     float minRefreshRate,
-                                                                     float maxRefreshRate) {
-    const int64_t id = sNextId++;
-
+void LayerHistory::registerLayer(Layer* layer, float lowRefreshRate, float highRefreshRate) {
+    auto info = std::make_unique<LayerInfo>(lowRefreshRate, highRefreshRate);
     std::lock_guard lock(mLock);
-    mInactiveLayerInfos.emplace(id,
-                                std::make_shared<LayerInfo>(name, minRefreshRate, maxRefreshRate));
-    return std::make_unique<LayerHistory::LayerHandle>(*this, id);
+    mLayerInfos.emplace_back(layer, std::move(info));
 }
 
-void LayerHistory::destroyLayer(const int64_t id) {
+void LayerHistory::record(Layer* layer, nsecs_t presentTime, bool isHDR, nsecs_t now) {
     std::lock_guard lock(mLock);
-    auto it = mActiveLayerInfos.find(id);
-    if (it != mActiveLayerInfos.end()) {
-        mActiveLayerInfos.erase(it);
-    }
 
-    it = mInactiveLayerInfos.find(id);
-    if (it != mInactiveLayerInfos.end()) {
-        mInactiveLayerInfos.erase(it);
+    const auto it = std::find_if(mLayerInfos.begin(), mLayerInfos.end(),
+                                 [layer](const auto& pair) { return pair.first == layer; });
+    LOG_FATAL_IF(it == mLayerInfos.end(), "%s: unknown layer %p", __FUNCTION__, layer);
+
+    const auto& info = it->second;
+    info->setLastPresentTime(presentTime, now);
+    info->setIsHDR(isHDR);
+
+    // Activate layer if inactive.
+    if (const auto end = activeLayers().end(); it >= end) {
+        std::iter_swap(it, end);
+        mActiveLayersEnd++;
     }
 }
 
-void LayerHistory::insert(const std::unique_ptr<LayerHandle>& layerHandle, nsecs_t presentTime,
-                          bool isHdr) {
-    std::shared_ptr<LayerInfo> layerInfo;
-    {
-        std::lock_guard lock(mLock);
-        auto layerInfoIterator = mInactiveLayerInfos.find(layerHandle->mId);
-        if (layerInfoIterator != mInactiveLayerInfos.end()) {
-            layerInfo = layerInfoIterator->second;
-            mInactiveLayerInfos.erase(layerInfoIterator);
-            mActiveLayerInfos.insert({layerHandle->mId, layerInfo});
-        } else {
-            layerInfoIterator = mActiveLayerInfos.find(layerHandle->mId);
-            if (layerInfoIterator != mActiveLayerInfos.end()) {
-                layerInfo = layerInfoIterator->second;
-            } else {
-                ALOGW("Inserting information about layer that is not registered: %" PRId64,
-                      layerHandle->mId);
-                return;
-            }
-        }
-    }
-    layerInfo->setLastPresentTime(presentTime);
-    layerInfo->setHDRContent(isHdr);
-}
-
-void LayerHistory::setVisibility(const std::unique_ptr<LayerHandle>& layerHandle, bool visible) {
-    std::shared_ptr<LayerInfo> layerInfo;
-    {
-        std::lock_guard lock(mLock);
-        auto layerInfoIterator = mInactiveLayerInfos.find(layerHandle->mId);
-        if (layerInfoIterator != mInactiveLayerInfos.end()) {
-            layerInfo = layerInfoIterator->second;
-            if (visible) {
-                mInactiveLayerInfos.erase(layerInfoIterator);
-                mActiveLayerInfos.insert({layerHandle->mId, layerInfo});
-            }
-        } else {
-            layerInfoIterator = mActiveLayerInfos.find(layerHandle->mId);
-            if (layerInfoIterator != mActiveLayerInfos.end()) {
-                layerInfo = layerInfoIterator->second;
-            } else {
-                ALOGW("Inserting information about layer that is not registered: %" PRId64,
-                      layerHandle->mId);
-                return;
-            }
-        }
-    }
-    layerInfo->setVisibility(visible);
-}
-
-std::pair<float, bool> LayerHistory::getDesiredRefreshRateAndHDR() {
+LayerHistory::Summary LayerHistory::summarize(nsecs_t now) {
+    float maxRefreshRate = 0;
     bool isHDR = false;
-    float newRefreshRate = 0.f;
+
     std::lock_guard lock(mLock);
 
-    removeIrrelevantLayers();
+    partitionLayers(now);
 
-    // Iterate through all layers that have been recently updated, and find the max refresh rate.
-    for (const auto& [layerId, layerInfo] : mActiveLayerInfos) {
-        const bool recent = layerInfo->isRecentlyActive();
+    // Find the maximum refresh rate among recently active layers.
+    for (const auto& [layer, info] : activeLayers()) {
+        const bool recent = info->isRecentlyActive(now);
         if (recent || CC_UNLIKELY(mTraceEnabled)) {
-            const float refreshRate = layerInfo->getDesiredRefreshRate();
-            if (recent && refreshRate > newRefreshRate) {
-                newRefreshRate = refreshRate;
+            const float refreshRate = info->getRefreshRate(now);
+            if (recent && refreshRate > maxRefreshRate) {
+                maxRefreshRate = refreshRate;
             }
 
             if (CC_UNLIKELY(mTraceEnabled)) {
-                std::string name = "LFPS " + layerInfo->getName();
-                const float rate = std::round(refreshRate);
-                ATRACE_INT(name.c_str(), rate);
-                ALOGD("%s: %f", name.c_str(), rate);
+                trace(layer, std::round(refreshRate));
             }
         }
-        isHDR |= layerInfo->getHDRContent();
+        isHDR |= info->isHDR();
     }
     if (CC_UNLIKELY(mTraceEnabled)) {
-        ALOGD("LayerHistory DesiredRefreshRate: %.2f", newRefreshRate);
+        ALOGD("%s: maxRefreshRate=%.2f, isHDR=%d", __FUNCTION__, maxRefreshRate, isHDR);
     }
 
-    return {newRefreshRate, isHDR};
+    return {maxRefreshRate, isHDR};
 }
 
-void LayerHistory::removeIrrelevantLayers() {
-    const int64_t obsoleteEpsilon = systemTime() - scheduler::OBSOLETE_TIME_EPSILON_NS.count();
-    // Iterator pointing to first element in map
-    auto it = mActiveLayerInfos.begin();
-    while (it != mActiveLayerInfos.end()) {
-        // If last updated was before the obsolete time, remove it.
-        // Keep HDR layer around as long as they are visible.
-        if (!it->second->isVisible() ||
-            (!it->second->getHDRContent() && it->second->getLastUpdatedTime() < obsoleteEpsilon)) {
-            // erase() function returns the iterator of the next
-            // to last deleted element.
-            if (CC_UNLIKELY(mTraceEnabled)) {
-                ALOGD("Layer %s obsolete", it->second->getName().c_str());
-                // Make sure to update systrace to indicate that the layer was erased.
-                std::string layerName = "LFPS " + it->second->getName();
-                ATRACE_INT(layerName.c_str(), 0);
-            }
-            auto id = it->first;
-            auto layerInfo = it->second;
-            layerInfo->clearHistory();
-            mInactiveLayerInfos.insert({id, layerInfo});
-            it = mActiveLayerInfos.erase(it);
+void LayerHistory::partitionLayers(nsecs_t now) {
+    const nsecs_t threshold = getActiveLayerThreshold(now);
+
+    // Collect expired and inactive layers after active layers.
+    size_t i = 0;
+    while (i < mActiveLayersEnd) {
+        auto& [weak, info] = mLayerInfos[i];
+        if (const auto layer = weak.promote(); layer && isLayerActive(*layer, *info, threshold)) {
+            i++;
+            continue;
+        }
+
+        if (CC_UNLIKELY(mTraceEnabled)) {
+            trace(weak, 0);
+        }
+
+        info->clearHistory();
+        std::swap(mLayerInfos[i], mLayerInfos[--mActiveLayersEnd]);
+    }
+
+    // Collect expired layers after inactive layers.
+    size_t end = mLayerInfos.size();
+    while (i < end) {
+        if (mLayerInfos[i].first.promote()) {
+            i++;
         } else {
-            ++it;
+            std::swap(mLayerInfos[i], mLayerInfos[--end]);
         }
     }
+
+    mLayerInfos.erase(mLayerInfos.begin() + end, mLayerInfos.end());
 }
 
-void LayerHistory::clearHistory() {
+void LayerHistory::clear() {
     std::lock_guard lock(mLock);
 
-    auto it = mActiveLayerInfos.begin();
-    while (it != mActiveLayerInfos.end()) {
-        auto id = it->first;
-        auto layerInfo = it->second;
-        layerInfo->clearHistory();
-        mInactiveLayerInfos.insert({id, layerInfo});
-        it = mActiveLayerInfos.erase(it);
+    for (const auto& [layer, info] : activeLayers()) {
+        info->clearHistory();
     }
+
+    mActiveLayersEnd = 0;
 }
 
-} // namespace scheduler
-} // namespace android
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.h b/services/surfaceflinger/Scheduler/LayerHistory.h
index 5598cc1..15ac8ca 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.h
+++ b/services/surfaceflinger/Scheduler/LayerHistory.h
@@ -16,76 +16,78 @@
 
 #pragma once
 
-#include <array>
-#include <cinttypes>
-#include <cstdint>
-#include <numeric>
-#include <string>
-#include <unordered_map>
-
+#include <android-base/thread_annotations.h>
+#include <utils/RefBase.h>
 #include <utils/Timers.h>
 
-#include "LayerInfo.h"
-#include "SchedulerUtils.h"
+#include <memory>
+#include <mutex>
+#include <utility>
+#include <vector>
 
 namespace android {
+
+class Layer;
+
 namespace scheduler {
 
-/*
- * This class represents information about layers that are considered current. We keep an
- * unordered map between layer name and LayerInfo.
- */
+class LayerInfo;
+
+// Records per-layer history of scheduling-related information (primarily present time),
+// heuristically categorizes layers as active or inactive, and summarizes stats about
+// active layers (primarily maximum refresh rate). See go/content-fps-detection-in-scheduler.
 class LayerHistory {
 public:
-    // Handle for each layer we keep track of.
-    class LayerHandle {
-    public:
-        LayerHandle(LayerHistory& lh, int64_t id) : mId(id), mLayerHistory(lh) {}
-        ~LayerHandle() { mLayerHistory.destroyLayer(mId); }
-
-        const int64_t mId;
-
-    private:
-        LayerHistory& mLayerHistory;
-    };
-
     LayerHistory();
     ~LayerHistory();
 
-    // When the layer is first created, register it.
-    std::unique_ptr<LayerHandle> createLayer(const std::string name, float minRefreshRate,
-                                             float maxRefreshRate);
+    // Layers are unregistered when the weak reference expires.
+    void registerLayer(Layer*, float lowRefreshRate, float highRefreshRate);
 
-    // Method for inserting layers and their requested present time into the unordered map.
-    void insert(const std::unique_ptr<LayerHandle>& layerHandle, nsecs_t presentTime, bool isHdr);
-    // Method for setting layer visibility
-    void setVisibility(const std::unique_ptr<LayerHandle>& layerHandle, bool visible);
+    // Marks the layer as active, and records the given state to its history.
+    void record(Layer*, nsecs_t presentTime, bool isHDR, nsecs_t now);
 
-    // Returns the desired refresh rate, which is a max refresh rate of all the current
-    // layers. See go/content-fps-detection-in-scheduler for more information.
-    std::pair<float, bool> getDesiredRefreshRateAndHDR();
+    struct Summary {
+        float maxRefreshRate; // Maximum refresh rate among recently active layers.
+        bool isHDR;           // True if any recently active layer has HDR content.
+    };
 
-    // Clears all layer history.
-    void clearHistory();
+    // Rebuilds sets of active/inactive layers, and accumulates stats for active layers.
+    Summary summarize(nsecs_t now);
 
-    // Removes the handle and the object from the map.
-    void destroyLayer(const int64_t id);
+    void clear();
 
 private:
-    // Removes the layers that have been idle for a given amount of time from mLayerInfos.
-    void removeIrrelevantLayers() REQUIRES(mLock);
+    friend class LayerHistoryTest;
 
-    // Information about currently active layers.
-    std::mutex mLock;
-    std::unordered_map<int64_t, std::shared_ptr<LayerInfo>> mActiveLayerInfos GUARDED_BY(mLock);
-    std::unordered_map<int64_t, std::shared_ptr<LayerInfo>> mInactiveLayerInfos GUARDED_BY(mLock);
+    using LayerPair = std::pair<wp<Layer>, std::unique_ptr<LayerInfo>>;
+    using LayerInfos = std::vector<LayerPair>;
 
-    // Each layer has it's own ID. This variable keeps track of the count.
-    static std::atomic<int64_t> sNextId;
+    struct ActiveLayers {
+        LayerInfos& infos;
+        const size_t index;
 
-    // Flag whether to log layer FPS in systrace
-    bool mTraceEnabled = false;
+        auto begin() { return infos.begin(); }
+        auto end() { return begin() + index; }
+    };
+
+    ActiveLayers activeLayers() REQUIRES(mLock) { return {mLayerInfos, mActiveLayersEnd}; }
+
+    // Iterates over layers in a single pass, swapping pairs such that active layers precede
+    // inactive layers, and inactive layers precede expired layers. Removes expired layers by
+    // truncating after inactive layers.
+    void partitionLayers(nsecs_t now) REQUIRES(mLock);
+
+    mutable std::mutex mLock;
+
+    // Partitioned such that active layers precede inactive layers. For fast lookup, the few active
+    // layers are at the front, and weak pointers are stored in contiguous memory to hit the cache.
+    LayerInfos mLayerInfos GUARDED_BY(mLock);
+    size_t mActiveLayersEnd GUARDED_BY(mLock) = 0;
+
+    // Whether to emit systrace output and debug logs.
+    const bool mTraceEnabled;
 };
 
 } // namespace scheduler
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.cpp b/services/surfaceflinger/Scheduler/LayerInfo.cpp
index 723d71f..f3b0d56 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.cpp
+++ b/services/surfaceflinger/Scheduler/LayerInfo.cpp
@@ -16,27 +16,17 @@
 
 #include "LayerInfo.h"
 
-#include <cinttypes>
-#include <cstdint>
-#include <numeric>
-#include <string>
+#include <algorithm>
+#include <utility>
 
-namespace android {
-namespace scheduler {
+namespace android::scheduler {
 
-LayerInfo::LayerInfo(const std::string name, float minRefreshRate, float maxRefreshRate)
-      : mName(name),
-        mMinRefreshDuration(1e9f / maxRefreshRate),
-        mLowActivityRefreshDuration(1e9f / minRefreshRate),
-        mRefreshRateHistory(mMinRefreshDuration) {}
+LayerInfo::LayerInfo(float lowRefreshRate, float highRefreshRate)
+      : mLowRefreshRate(lowRefreshRate), mHighRefreshRate(highRefreshRate) {}
 
-LayerInfo::~LayerInfo() = default;
-
-void LayerInfo::setLastPresentTime(nsecs_t lastPresentTime) {
-    std::lock_guard lock(mLock);
-
+void LayerInfo::setLastPresentTime(nsecs_t lastPresentTime, nsecs_t now) {
     // Buffers can come with a present time far in the future. That keeps them relevant.
-    mLastUpdatedTime = std::max(lastPresentTime, systemTime());
+    mLastUpdatedTime = std::max(lastPresentTime, now);
     mPresentTimeHistory.insertPresentTime(mLastUpdatedTime);
 
     if (mLastPresentTime == 0) {
@@ -45,14 +35,13 @@
         return;
     }
 
-    const nsecs_t timeDiff = lastPresentTime - mLastPresentTime;
+    const nsecs_t period = lastPresentTime - mLastPresentTime;
     mLastPresentTime = lastPresentTime;
     // Ignore time diff that are too high - those are stale values
-    if (timeDiff > OBSOLETE_TIME_EPSILON_NS.count()) return;
-    const nsecs_t refreshDuration = std::max(timeDiff, mMinRefreshDuration);
-    const int fps = 1e9f / refreshDuration;
+    if (period > MAX_ACTIVE_LAYER_PERIOD_NS.count()) return;
+
+    const float fps = std::min(1e9f / period, mHighRefreshRate);
     mRefreshRateHistory.insertRefreshRate(fps);
 }
 
-} // namespace scheduler
-} // namespace android
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.h b/services/surfaceflinger/Scheduler/LayerInfo.h
index 17afdda..b86709f 100644
--- a/services/surfaceflinger/Scheduler/LayerInfo.h
+++ b/services/surfaceflinger/Scheduler/LayerInfo.h
@@ -16,27 +16,37 @@
 
 #pragma once
 
-#include <cinttypes>
-#include <cstdint>
-#include <deque>
-#include <mutex>
-#include <numeric>
-#include <string>
-
-#include <log/log.h>
-
-#include <utils/Mutex.h>
 #include <utils/Timers.h>
 
+#include <chrono>
+#include <deque>
+
 #include "SchedulerUtils.h"
 
 namespace android {
+
+class Layer;
+
 namespace scheduler {
 
-/*
- * This class represents information about individial layers.
- */
+using namespace std::chrono_literals;
+
+// Maximum period between presents for a layer to be considered active.
+constexpr std::chrono::nanoseconds MAX_ACTIVE_LAYER_PERIOD_NS = 1200ms;
+
+// Earliest present time for a layer to be considered active.
+constexpr nsecs_t getActiveLayerThreshold(nsecs_t now) {
+    return now - MAX_ACTIVE_LAYER_PERIOD_NS.count();
+}
+
+// Stores history of present times and refresh rates for a layer.
 class LayerInfo {
+    // Layer is considered frequent if the earliest value in the window of most recent present times
+    // is within a threshold. If a layer is infrequent, its average refresh rate is disregarded in
+    // favor of a low refresh rate.
+    static constexpr size_t FREQUENT_LAYER_WINDOW_SIZE = 3;
+    static constexpr std::chrono::nanoseconds MAX_FREQUENT_LAYER_PERIOD_NS = 250ms;
+
     /**
      * Struct that keeps the information about the refresh rate for last
      * HISTORY_SIZE frames. This is used to better determine the refresh rate
@@ -44,9 +54,9 @@
      */
     class RefreshRateHistory {
     public:
-        explicit RefreshRateHistory(nsecs_t minRefreshDuration)
-              : mMinRefreshDuration(minRefreshDuration) {}
-        void insertRefreshRate(int refreshRate) {
+        explicit RefreshRateHistory(float highRefreshRate) : mHighRefreshRate(highRefreshRate) {}
+
+        void insertRefreshRate(float refreshRate) {
             mElements.push_back(refreshRate);
             if (mElements.size() > HISTORY_SIZE) {
                 mElements.pop_front();
@@ -54,19 +64,16 @@
         }
 
         float getRefreshRateAvg() const {
-            if (mElements.empty()) {
-                return 1e9f / mMinRefreshDuration;
-            }
-
-            return scheduler::calculate_mean(mElements);
+            return mElements.empty() ? mHighRefreshRate : calculate_mean(mElements);
         }
 
         void clearHistory() { mElements.clear(); }
 
     private:
-        std::deque<nsecs_t> mElements;
+        const float mHighRefreshRate;
+
         static constexpr size_t HISTORY_SIZE = 30;
-        const nsecs_t mMinRefreshDuration;
+        std::deque<float> mElements;
     };
 
     /**
@@ -76,6 +83,8 @@
      */
     class PresentTimeHistory {
     public:
+        static constexpr size_t HISTORY_SIZE = 90;
+
         void insertPresentTime(nsecs_t presentTime) {
             mElements.push_back(presentTime);
             if (mElements.size() > HISTORY_SIZE) {
@@ -83,60 +92,45 @@
             }
         }
 
-        // Checks whether the present time that was inserted HISTORY_SIZE ago is within a
-        // certain threshold: TIME_EPSILON_NS.
-        bool isRelevant() const {
+        // Returns whether the earliest present time is within the active threshold.
+        bool isRecentlyActive(nsecs_t now) const {
             if (mElements.size() < 2) {
                 return false;
             }
 
             // The layer had to publish at least HISTORY_SIZE or HISTORY_TIME of updates
-            if (mElements.size() != HISTORY_SIZE &&
-                mElements.at(mElements.size() - 1) - mElements.at(0) < HISTORY_TIME.count()) {
+            if (mElements.size() < HISTORY_SIZE &&
+                mElements.back() - mElements.front() < HISTORY_TIME.count()) {
                 return false;
             }
 
-            // The last update should not be older than OBSOLETE_TIME_EPSILON_NS nanoseconds.
-            const int64_t obsoleteEpsilon =
-                    systemTime() - scheduler::OBSOLETE_TIME_EPSILON_NS.count();
-            if (mElements.at(mElements.size() - 1) < obsoleteEpsilon) {
-                return false;
-            }
-
-            return true;
+            return mElements.back() >= getActiveLayerThreshold(now);
         }
 
-        bool isLowActivityLayer() const {
-            // We want to make sure that we received more than two frames from the layer
-            // in order to check low activity.
-            if (mElements.size() < scheduler::LOW_ACTIVITY_BUFFERS + 1) {
+        bool isFrequent(nsecs_t now) const {
+            // Assume layer is infrequent if too few present times have been recorded.
+            if (mElements.size() < FREQUENT_LAYER_WINDOW_SIZE) {
                 return false;
             }
 
-            const int64_t obsoleteEpsilon =
-                    systemTime() - scheduler::LOW_ACTIVITY_EPSILON_NS.count();
-            // Check the frame before last to determine whether there is low activity.
-            // If that frame is older than LOW_ACTIVITY_EPSILON_NS, the layer is sending
-            // infrequent updates.
-            if (mElements.at(mElements.size() - (scheduler::LOW_ACTIVITY_BUFFERS + 1)) <
-                obsoleteEpsilon) {
-                return true;
-            }
-
-            return false;
+            // Layer is frequent if the earliest value in the window of most recent present times is
+            // within threshold.
+            const auto it = mElements.end() - FREQUENT_LAYER_WINDOW_SIZE;
+            const nsecs_t threshold = now - MAX_FREQUENT_LAYER_PERIOD_NS.count();
+            return *it >= threshold;
         }
 
         void clearHistory() { mElements.clear(); }
 
     private:
         std::deque<nsecs_t> mElements;
-        static constexpr size_t HISTORY_SIZE = 90;
         static constexpr std::chrono::nanoseconds HISTORY_TIME = 1s;
     };
 
+    friend class LayerHistoryTest;
+
 public:
-    LayerInfo(const std::string name, float minRefreshRate, float maxRefreshRate);
-    ~LayerInfo();
+    LayerInfo(float lowRefreshRate, float highRefreshRate);
 
     LayerInfo(const LayerInfo&) = delete;
     LayerInfo& operator=(const LayerInfo&) = delete;
@@ -144,71 +138,37 @@
     // Records the last requested oresent time. It also stores information about when
     // the layer was last updated. If the present time is farther in the future than the
     // updated time, the updated time is the present time.
-    void setLastPresentTime(nsecs_t lastPresentTime);
+    void setLastPresentTime(nsecs_t lastPresentTime, nsecs_t now);
 
-    void setHDRContent(bool isHdr) {
-        std::lock_guard lock(mLock);
-        mIsHDR = isHdr;
-    }
+    bool isHDR() const { return mIsHDR; }
+    void setIsHDR(bool isHDR) { mIsHDR = isHDR; }
 
-    void setVisibility(bool visible) {
-        std::lock_guard lock(mLock);
-        mIsVisible = visible;
-    }
+    bool isRecentlyActive(nsecs_t now) const { return mPresentTimeHistory.isRecentlyActive(now); }
+    bool isFrequent(nsecs_t now) const { return mPresentTimeHistory.isFrequent(now); }
 
-    // Checks the present time history to see whether the layer is relevant.
-    bool isRecentlyActive() const {
-        std::lock_guard lock(mLock);
-        return mPresentTimeHistory.isRelevant();
-    }
-
-    // Calculate the average refresh rate.
-    float getDesiredRefreshRate() const {
-        std::lock_guard lock(mLock);
-
-        if (mPresentTimeHistory.isLowActivityLayer()) {
-            return 1e9f / mLowActivityRefreshDuration;
-        }
-        return mRefreshRateHistory.getRefreshRateAvg();
-    }
-
-    bool getHDRContent() {
-        std::lock_guard lock(mLock);
-        return mIsHDR;
-    }
-
-    bool isVisible() {
-        std::lock_guard lock(mLock);
-        return mIsVisible;
+    float getRefreshRate(nsecs_t now) const {
+        return isFrequent(now) ? mRefreshRateHistory.getRefreshRateAvg() : mLowRefreshRate;
     }
 
     // Return the last updated time. If the present time is farther in the future than the
     // updated time, the updated time is the present time.
-    nsecs_t getLastUpdatedTime() {
-        std::lock_guard lock(mLock);
-        return mLastUpdatedTime;
-    }
-
-    std::string getName() const { return mName; }
+    nsecs_t getLastUpdatedTime() const { return mLastUpdatedTime; }
 
     void clearHistory() {
-        std::lock_guard lock(mLock);
         mRefreshRateHistory.clearHistory();
         mPresentTimeHistory.clearHistory();
     }
 
 private:
-    const std::string mName;
-    const nsecs_t mMinRefreshDuration;
-    const nsecs_t mLowActivityRefreshDuration;
-    mutable std::mutex mLock;
-    nsecs_t mLastUpdatedTime GUARDED_BY(mLock) = 0;
-    nsecs_t mLastPresentTime GUARDED_BY(mLock) = 0;
-    RefreshRateHistory mRefreshRateHistory GUARDED_BY(mLock);
-    PresentTimeHistory mPresentTimeHistory GUARDED_BY(mLock);
-    bool mIsHDR GUARDED_BY(mLock) = false;
-    bool mIsVisible GUARDED_BY(mLock) = false;
+    const float mLowRefreshRate;
+    const float mHighRefreshRate;
+
+    nsecs_t mLastUpdatedTime = 0;
+    nsecs_t mLastPresentTime = 0;
+    RefreshRateHistory mRefreshRateHistory{mHighRefreshRate};
+    PresentTimeHistory mPresentTimeHistory;
+    bool mIsHDR = false;
 };
 
 } // namespace scheduler
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index d60e101..71b3500 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -20,13 +20,6 @@
 
 #include "Scheduler.h"
 
-#include <algorithm>
-#include <cinttypes>
-#include <cstdint>
-#include <functional>
-#include <memory>
-#include <numeric>
-
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <configstore/Utils.h>
@@ -37,6 +30,14 @@
 #include <utils/Timers.h>
 #include <utils/Trace.h>
 
+#include <algorithm>
+#include <cinttypes>
+#include <cstdint>
+#include <functional>
+#include <memory>
+#include <numeric>
+
+#include "../Layer.h"
 #include "DispSync.h"
 #include "DispSyncSource.h"
 #include "EventControlThread.h"
@@ -325,37 +326,27 @@
     return mPrimaryDispSync->expectedPresentTime();
 }
 
-std::unique_ptr<scheduler::LayerHistory::LayerHandle> Scheduler::registerLayer(
-        std::string const& name, int windowType) {
+void Scheduler::registerLayer(Layer* layer) {
     uint32_t defaultFps, performanceFps;
     if (mRefreshRateConfigs.refreshRateSwitchingSupported()) {
         defaultFps = mRefreshRateConfigs.getRefreshRateFromType(RefreshRateType::DEFAULT).fps;
-        performanceFps =
-                mRefreshRateConfigs
-                        .getRefreshRateFromType((windowType == InputWindowInfo::TYPE_WALLPAPER)
-                                                        ? RefreshRateType::DEFAULT
-                                                        : RefreshRateType::PERFORMANCE)
-                        .fps;
+        const auto type = layer->getWindowType() == InputWindowInfo::TYPE_WALLPAPER
+                ? RefreshRateType::DEFAULT
+                : RefreshRateType::PERFORMANCE;
+        performanceFps = mRefreshRateConfigs.getRefreshRateFromType(type).fps;
     } else {
         defaultFps = mRefreshRateConfigs.getCurrentRefreshRate().second.fps;
         performanceFps = defaultFps;
     }
-    return mLayerHistory.createLayer(name, defaultFps, performanceFps);
+    mLayerHistory.registerLayer(layer, defaultFps, performanceFps);
 }
 
-void Scheduler::addLayerPresentTimeAndHDR(
-        const std::unique_ptr<scheduler::LayerHistory::LayerHandle>& layerHandle,
-        nsecs_t presentTime, bool isHDR) {
-    mLayerHistory.insert(layerHandle, presentTime, isHDR);
-}
-
-void Scheduler::setLayerVisibility(
-        const std::unique_ptr<scheduler::LayerHistory::LayerHandle>& layerHandle, bool visible) {
-    mLayerHistory.setVisibility(layerHandle, visible);
+void Scheduler::recordLayerHistory(Layer* layer, nsecs_t presentTime, bool isHDR) {
+    mLayerHistory.record(layer, presentTime, isHDR, systemTime());
 }
 
 void Scheduler::updateFpsBasedOnContent() {
-    auto [refreshRate, isHDR] = mLayerHistory.getDesiredRefreshRateAndHDR();
+    auto [refreshRate, isHDR] = mLayerHistory.summarize(systemTime());
     const uint32_t refreshRateRound = std::round(refreshRate);
     RefreshRateType newRefreshRateType;
     {
@@ -402,7 +393,7 @@
 
     // Touch event will boost the refresh rate to performance.
     // Clear Layer History to get fresh FPS detection
-    mLayerHistory.clearHistory();
+    mLayerHistory.clear();
 }
 
 void Scheduler::setDisplayPowerState(bool normal) {
@@ -417,7 +408,7 @@
 
     // Display Power event will boost the refresh rate to performance.
     // Clear Layer History to get fresh FPS detection
-    mLayerHistory.clearHistory();
+    mLayerHistory.clear();
 }
 
 void Scheduler::kernelIdleTimerCallback(TimerState state) {
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index a5971fe..c983475 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -100,17 +100,11 @@
     void addPresentFence(const std::shared_ptr<FenceTime>&);
     void setIgnorePresentFences(bool ignore);
     nsecs_t getDispSyncExpectedPresentTime();
-    // Registers the layer in the scheduler, and returns the handle for future references.
-    std::unique_ptr<scheduler::LayerHistory::LayerHandle> registerLayer(std::string const& name,
-                                                                        int windowType);
 
-    // Stores present time for a layer.
-    void addLayerPresentTimeAndHDR(
-            const std::unique_ptr<scheduler::LayerHistory::LayerHandle>& layerHandle,
-            nsecs_t presentTime, bool isHDR);
-    // Stores visibility for a layer.
-    void setLayerVisibility(
-            const std::unique_ptr<scheduler::LayerHistory::LayerHandle>& layerHandle, bool visible);
+    // Layers are registered on creation, and unregistered when the weak reference expires.
+    void registerLayer(Layer*);
+    void recordLayerHistory(Layer*, nsecs_t presentTime, bool isHDR);
+
     // Updates FPS based on the most content presented.
     void updateFpsBasedOnContent();
 
diff --git a/services/surfaceflinger/Scheduler/SchedulerUtils.h b/services/surfaceflinger/Scheduler/SchedulerUtils.h
index 3b7567c..d301b99 100644
--- a/services/surfaceflinger/Scheduler/SchedulerUtils.h
+++ b/services/surfaceflinger/Scheduler/SchedulerUtils.h
@@ -16,7 +16,6 @@
 
 #pragma once
 
-#include <chrono>
 #include <cinttypes>
 #include <numeric>
 #include <unordered_map>
@@ -38,21 +37,6 @@
     return lhs.id == rhs.id;
 }
 
-using namespace std::chrono_literals;
-
-// This number is used when we try to determine how long do we keep layer information around
-// before we remove it. It is also used to determine how long the layer stays relevant.
-// This time period captures infrequent updates when playing YouTube video with static image,
-// or waiting idle in messaging app, when cursor is blinking.
-static constexpr std::chrono::nanoseconds OBSOLETE_TIME_EPSILON_NS = 1200ms;
-
-// Layer is considered low activity if the LOW_ACTIVITY_BUFFERS buffers come more than
-// LOW_ACTIVITY_EPSILON_NS  apart.
-// This is helping SF to vote for lower refresh rates when there is not activity
-// in screen.
-static constexpr int LOW_ACTIVITY_BUFFERS = 2;
-static constexpr std::chrono::nanoseconds LOW_ACTIVITY_EPSILON_NS = 250ms;
-
 // Calculates the statistical mean (average) in the data structure (array, vector). The
 // function does not modify the contents of the array.
 template <typename T>
diff --git a/services/surfaceflinger/Scheduler/StrongTyping.h b/services/surfaceflinger/Scheduler/StrongTyping.h
new file mode 100644
index 0000000..02db022
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/StrongTyping.h
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ * 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
+namespace android {
+
+template <typename T, template <typename> class AbilityType>
+struct Ability {
+    T& base() { return static_cast<T&>(*this); }
+    T const& base() const { return static_cast<T const&>(*this); }
+};
+
+template <typename T>
+struct Add : Ability<T, Add> {
+    inline T operator+(T const& other) const { return T(this->base().value() + other.value()); }
+    inline T& operator++() {
+        ++this->base().value();
+        return this->base();
+    };
+    inline T operator++(int) {
+        T tmp(this->base());
+        operator++();
+        return tmp;
+    };
+    inline T& operator+=(T const& other) {
+        this->base().value() += other.value();
+        return this->base();
+    };
+};
+
+template <typename T>
+struct Compare : Ability<T, Compare> {
+    inline bool operator==(T const& other) const { return this->base().value() == other.value(); };
+    inline bool operator<(T const& other) const { return this->base().value() < other.value(); }
+    inline bool operator<=(T const& other) const { return (*this < other) || (*this == other); }
+    inline bool operator!=(T const& other) const { return !(*this == other); }
+    inline bool operator>=(T const& other) const { return !(*this < other); }
+    inline bool operator>(T const& other) const { return !(*this < other || *this == other); }
+};
+
+template <typename T, typename W, template <typename> class... Ability>
+struct StrongTyping : Ability<StrongTyping<T, W, Ability...>>... {
+    StrongTyping() : mValue(0) {}
+    explicit StrongTyping(T const& value) : mValue(value) {}
+    StrongTyping(StrongTyping const&) = default;
+    StrongTyping& operator=(StrongTyping const&) = default;
+    inline operator T() const { return mValue; }
+    T const& value() const { return mValue; }
+    T& value() { return mValue; }
+
+private:
+    T mValue;
+};
+} // namespace android
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 54e2065..1acb2da 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -122,6 +122,8 @@
 
 namespace android {
 
+using namespace std::string_literals;
+
 using namespace android::hardware::configstore;
 using namespace android::hardware::configstore::V1_0;
 using namespace android::sysprop;
@@ -599,20 +601,19 @@
     Mutex::Autolock _l(mStateLock);
 
     // Get a RenderEngine for the given display / config (can't fail)
-    int32_t renderEngineFeature = 0;
-    renderEngineFeature |= (useColorManagement ?
-                            renderengine::RenderEngine::USE_COLOR_MANAGEMENT : 0);
-    renderEngineFeature |= (useContextPriority ?
-                            renderengine::RenderEngine::USE_HIGH_PRIORITY_CONTEXT : 0);
-    renderEngineFeature |=
-            (enable_protected_contents(false) ? renderengine::RenderEngine::ENABLE_PROTECTED_CONTEXT
-                                              : 0);
-
     // TODO(b/77156734): We need to stop casting and use HAL types when possible.
     // Sending maxFrameBufferAcquiredBuffers as the cache size is tightly tuned to single-display.
-    mCompositionEngine->setRenderEngine(
-            renderengine::RenderEngine::create(static_cast<int32_t>(defaultCompositionPixelFormat),
-                                               renderEngineFeature, maxFrameBufferAcquiredBuffers));
+    mCompositionEngine->setRenderEngine(renderengine::RenderEngine::create(
+            renderengine::RenderEngineCreationArgs::Builder()
+                .setPixelFormat(static_cast<int32_t>(defaultCompositionPixelFormat))
+                .setImageCacheSize(maxFrameBufferAcquiredBuffers)
+                .setUseColorManagerment(useColorManagement)
+                .setEnableProtectedContext(enable_protected_contents(false))
+                .setPrecacheToneMapperShaderOnly(false)
+                .setContextPriority(useContextPriority
+                        ? renderengine::RenderEngine::ContextPriority::HIGH
+                        : renderengine::RenderEngine::ContextPriority::MEDIUM)
+                .build()));
 
     LOG_ALWAYS_FATAL_IF(mVrFlingerRequestsDisplay,
             "Starting with vr flinger active is not currently supported.");
@@ -1911,8 +1912,7 @@
                 layer->onPostComposition(displayDevice->getId(), glCompositionDoneFenceTime,
                                          presentFenceTime, compositorTiming);
         if (frameLatched) {
-            recordBufferingStats(layer->getName().string(),
-                    layer->getOccupancyHistory(false));
+            recordBufferingStats(layer->getName(), layer->getOccupancyHistory(false));
         }
     });
 
@@ -2574,7 +2574,7 @@
     if (!mLayersPendingRemoval.isEmpty()) {
         // Notify removed layers now that they can't be drawn from
         for (const auto& l : mLayersPendingRemoval) {
-            recordBufferingStats(l->getName().string(), l->getOccupancyHistory(true));
+            recordBufferingStats(l->getName(), l->getOccupancyHistory(true));
 
             // Ensure any buffers set to display on any children are released.
             if (l->isRemovedFromCurrentState()) {
@@ -3244,11 +3244,12 @@
         // everything else inherits layer stack from its parent.
         if (layer->hasParent()) {
             ALOGE("Attempt to set layer stack on layer with parent (%s) is invalid",
-                    layer->getName().string());
+                  layer->getDebugName());
         } else if (idx < 0) {
             ALOGE("Attempt to set layer stack on layer without parent (%s) that "
-                    "that also does not appear in the top level layer list. Something"
-                    " has gone wrong.", layer->getName().string());
+                  "that also does not appear in the top level layer list. Something"
+                  " has gone wrong.",
+                  layer->getDebugName());
         } else if (layer->setLayerStack(s.layerStack)) {
             mCurrentState.layersSortedByZ.removeAt(idx);
             mCurrentState.layersSortedByZ.add(layer);
@@ -3406,7 +3407,7 @@
 
     sp<Layer> mirrorLayer;
     sp<Layer> mirrorFrom;
-    String8 uniqueName = getUniqueLayerName(String8("MirrorRoot"));
+    std::string uniqueName = getUniqueLayerName("MirrorRoot");
 
     {
         Mutex::Autolock _l(mStateLock);
@@ -3415,8 +3416,8 @@
             return NAME_NOT_FOUND;
         }
 
-        status_t result = createContainerLayer(client, uniqueName, -1, -1, 0, LayerMetadata(),
-                                               outHandle, &mirrorLayer);
+        status_t result = createContainerLayer(client, std::move(uniqueName), -1, -1, 0,
+                                               LayerMetadata(), outHandle, &mirrorLayer);
         if (result != NO_ERROR) {
             return result;
         }
@@ -3447,7 +3448,7 @@
 
     sp<Layer> layer;
 
-    String8 uniqueName = getUniqueLayerName(name);
+    std::string uniqueName = getUniqueLayerName(name.string());
 
     bool primaryDisplayOnly = false;
 
@@ -3463,13 +3464,13 @@
 
     switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
         case ISurfaceComposerClient::eFXSurfaceBufferQueue:
-            result = createBufferQueueLayer(client, uniqueName, w, h, flags, std::move(metadata),
-                                            format, handle, gbp, &layer);
+            result = createBufferQueueLayer(client, std::move(uniqueName), w, h, flags,
+                                            std::move(metadata), format, handle, gbp, &layer);
 
             break;
         case ISurfaceComposerClient::eFXSurfaceBufferState:
-            result = createBufferStateLayer(client, uniqueName, w, h, flags, std::move(metadata),
-                                            handle, &layer);
+            result = createBufferStateLayer(client, std::move(uniqueName), w, h, flags,
+                                            std::move(metadata), handle, &layer);
             break;
         case ISurfaceComposerClient::eFXSurfaceColor:
             // check if buffer size is set for color layer.
@@ -3479,8 +3480,8 @@
                 return BAD_VALUE;
             }
 
-            result = createColorLayer(client, uniqueName, w, h, flags, std::move(metadata), handle,
-                                      &layer);
+            result = createColorLayer(client, std::move(uniqueName), w, h, flags,
+                                      std::move(metadata), handle, &layer);
             break;
         case ISurfaceComposerClient::eFXSurfaceContainer:
             // check if buffer size is set for container layer.
@@ -3489,8 +3490,8 @@
                       int(w), int(h));
                 return BAD_VALUE;
             }
-            result = createContainerLayer(client, uniqueName, w, h, flags, std::move(metadata),
-                                          handle, &layer);
+            result = createContainerLayer(client, std::move(uniqueName), w, h, flags,
+                                          std::move(metadata), handle, &layer);
             break;
         default:
             result = BAD_VALUE;
@@ -3517,35 +3518,32 @@
     return result;
 }
 
-String8 SurfaceFlinger::getUniqueLayerName(const String8& name)
-{
-    bool matchFound = true;
-    uint32_t dupeCounter = 0;
+std::string SurfaceFlinger::getUniqueLayerName(const char* name) {
+    unsigned dupeCounter = 0;
 
     // Tack on our counter whether there is a hit or not, so everyone gets a tag
-    String8 uniqueName = name + "#" + String8(std::to_string(dupeCounter).c_str());
+    std::string uniqueName = base::StringPrintf("%s#%u", name, dupeCounter);
 
     // Grab the state lock since we're accessing mCurrentState
     Mutex::Autolock lock(mStateLock);
 
     // Loop over layers until we're sure there is no matching name
+    bool matchFound = true;
     while (matchFound) {
         matchFound = false;
         mCurrentState.traverseInZOrder([&](Layer* layer) {
             if (layer->getName() == uniqueName) {
                 matchFound = true;
-                uniqueName = name + "#" + String8(std::to_string(++dupeCounter).c_str());
+                uniqueName = base::StringPrintf("%s#%u", name, ++dupeCounter);
             }
         });
     }
 
-    ALOGV_IF(dupeCounter > 0, "duplicate layer name: changing %s to %s", name.c_str(),
-             uniqueName.c_str());
-
+    ALOGV_IF(dupeCounter > 0, "duplicate layer name: changing %s to %s", name, uniqueName.c_str());
     return uniqueName;
 }
 
-status_t SurfaceFlinger::createBufferQueueLayer(const sp<Client>& client, const String8& name,
+status_t SurfaceFlinger::createBufferQueueLayer(const sp<Client>& client, std::string name,
                                                 uint32_t w, uint32_t h, uint32_t flags,
                                                 LayerMetadata metadata, PixelFormat& format,
                                                 sp<IBinder>* handle,
@@ -3563,8 +3561,7 @@
     }
 
     sp<BufferQueueLayer> layer;
-    LayerCreationArgs args =
-            LayerCreationArgs(this, client, name, w, h, flags, std::move(metadata));
+    LayerCreationArgs args(this, client, std::move(name), w, h, flags, std::move(metadata));
     args.textureName = getNewTexture();
     {
         // Grab the SF state lock during this since it's the only safe way to access
@@ -3585,12 +3582,11 @@
     return err;
 }
 
-status_t SurfaceFlinger::createBufferStateLayer(const sp<Client>& client, const String8& name,
+status_t SurfaceFlinger::createBufferStateLayer(const sp<Client>& client, std::string name,
                                                 uint32_t w, uint32_t h, uint32_t flags,
                                                 LayerMetadata metadata, sp<IBinder>* handle,
                                                 sp<Layer>* outLayer) {
-    LayerCreationArgs args =
-            LayerCreationArgs(this, client, name, w, h, flags, std::move(metadata));
+    LayerCreationArgs args(this, client, std::move(name), w, h, flags, std::move(metadata));
     args.displayDevice = getDefaultDisplayDevice();
     args.textureName = getNewTexture();
     sp<BufferStateLayer> layer = getFactory().createBufferStateLayer(args);
@@ -3600,26 +3596,25 @@
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::createColorLayer(const sp<Client>& client, const String8& name, uint32_t w,
+status_t SurfaceFlinger::createColorLayer(const sp<Client>& client, std::string name, uint32_t w,
                                           uint32_t h, uint32_t flags, LayerMetadata metadata,
                                           sp<IBinder>* handle, sp<Layer>* outLayer) {
     *outLayer = getFactory().createColorLayer(
-            LayerCreationArgs(this, client, name, w, h, flags, std::move(metadata)));
+            {this, client, std::move(name), w, h, flags, std::move(metadata)});
     *handle = (*outLayer)->getHandle();
     return NO_ERROR;
 }
 
-status_t SurfaceFlinger::createContainerLayer(const sp<Client>& client, const String8& name,
+status_t SurfaceFlinger::createContainerLayer(const sp<Client>& client, std::string name,
                                               uint32_t w, uint32_t h, uint32_t flags,
                                               LayerMetadata metadata, sp<IBinder>* handle,
                                               sp<Layer>* outLayer) {
     *outLayer = getFactory().createContainerLayer(
-            LayerCreationArgs(this, client, name, w, h, flags, std::move(metadata)));
+            {this, client, std::move(name), w, h, flags, std::move(metadata)});
     *handle = (*outLayer)->getHandle();
     return NO_ERROR;
 }
 
-
 void SurfaceFlinger::markLayerPendingRemovalLocked(const sp<Layer>& layer) {
     mLayersPendingRemoval.add(layer);
     mLayersRemoved = true;
@@ -3828,8 +3823,6 @@
                           strerror(-err), err);
         }
 
-        using namespace std::string_literals;
-
         static const std::unordered_map<std::string, Dumper> dumpers = {
                 {"--display-id"s, dumper(&SurfaceFlinger::dumpDisplayIdentificationData)},
                 {"--dispsync"s,
@@ -3885,7 +3878,7 @@
 
 void SurfaceFlinger::listLayersLocked(std::string& result) const {
     mCurrentState.traverseInZOrder(
-            [&](Layer* layer) { StringAppendF(&result, "%s\n", layer->getName().string()); });
+            [&](Layer* layer) { StringAppendF(&result, "%s\n", layer->getDebugName()); });
 }
 
 void SurfaceFlinger::dumpStatsLocked(const DumpArgs& args, std::string& result) const {
@@ -3894,7 +3887,7 @@
     if (args.size() > 1) {
         const auto name = String8(args[1]);
         mCurrentState.traverseInZOrder([&](Layer* layer) {
-            if (name == layer->getName()) {
+            if (layer->getName() == name.string()) {
                 layer->dumpFrameStats(result);
             }
         });
@@ -3904,8 +3897,11 @@
 }
 
 void SurfaceFlinger::clearStatsLocked(const DumpArgs& args, std::string&) {
+    const bool clearAll = args.size() < 2;
+    const auto name = clearAll ? String8() : String8(args[1]);
+
     mCurrentState.traverseInZOrder([&](Layer* layer) {
-        if (args.size() < 2 || String8(args[1]) == layer->getName()) {
+        if (clearAll || layer->getName() == name.string()) {
             layer->clearFrameStats();
         }
     });
@@ -3924,7 +3920,7 @@
         layer->logFrameStats();
     });
 
-    mAnimFrameTracker.logAndResetStats(String8("<win-anim>"));
+    mAnimFrameTracker.logAndResetStats("<win-anim>");
 }
 
 void SurfaceFlinger::appendSfConfigString(std::string& result) const {
@@ -3982,8 +3978,8 @@
                   bucketTimeSec, percent);
 }
 
-void SurfaceFlinger::recordBufferingStats(const char* layerName,
-        std::vector<OccupancyTracker::Segment>&& history) {
+void SurfaceFlinger::recordBufferingStats(const std::string& layerName,
+                                          std::vector<OccupancyTracker::Segment>&& history) {
     Mutex::Autolock lock(getBE().mBufferingStatsMutex);
     auto& stats = getBE().mBufferingStats[layerName];
     for (const auto& segment : history) {
@@ -5031,13 +5027,14 @@
                 drawLayers();
             } else {
                 Rect bounds = getBounds();
+                uint32_t w = static_cast<uint32_t>(bounds.getWidth());
+                uint32_t h = static_cast<uint32_t>(bounds.getHeight());
                 // In the "childrenOnly" case we reparent the children to a screenshot
                 // layer which has no properties set and which does not draw.
                 sp<ContainerLayer> screenshotParentLayer =
-                        mFlinger->getFactory().createContainerLayer(
-                                LayerCreationArgs(mFlinger, nullptr, String8("Screenshot Parent"),
-                                                  bounds.getWidth(), bounds.getHeight(), 0,
-                                                  LayerMetadata()));
+                        mFlinger->getFactory().createContainerLayer({mFlinger, nullptr,
+                                                                     "Screenshot Parent"s, w, h, 0,
+                                                                     LayerMetadata()});
 
                 ReparentForDrawing reparent(mLayer, screenshotParentLayer, sourceCrop);
                 drawLayers();
@@ -5454,7 +5451,7 @@
         return NO_ERROR;
     }
 
-    postMessageSync(new LambdaMessage([&]() NO_THREAD_SAFETY_ANALYSIS {
+    postMessageSync(new LambdaMessage([&]() {
         const auto display = getDisplayDeviceLocked(displayToken);
         if (!display) {
             ALOGE("Attempt to set allowed display configs for invalid display token %p",
@@ -5462,6 +5459,7 @@
         } else if (display->isVirtual()) {
             ALOGW("Attempt to set allowed display configs for virtual display");
         } else {
+            Mutex::Autolock lock(mStateLock);
             setAllowedDisplayConfigsInternal(display, allowedConfigs);
         }
     }));
@@ -5507,6 +5505,16 @@
     return nullptr;
 }
 
+void SurfaceFlinger::onLayerCreated(Layer* layer) {
+    mNumLayers++;
+    mScheduler->registerLayer(layer);
+}
+
+void SurfaceFlinger::onLayerDestroyed(Layer* layer) {
+    mNumLayers--;
+    mOffscreenLayers.erase(layer);
+}
+
 void SurfaceFlinger::bufferErased(const client_cache_t& clientCacheId) {
     getRenderEngine().unbindExternalTextureBuffer(clientCacheId.id);
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 9f3a914..abb8b82 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -310,11 +310,8 @@
     bool authenticateSurfaceTextureLocked(
         const sp<IGraphicBufferProducer>& bufferProducer) const;
 
-    inline void onLayerCreated() { mNumLayers++; }
-    inline void onLayerDestroyed(Layer* layer) {
-        mNumLayers--;
-        mOffscreenLayers.erase(layer);
-    }
+    void onLayerCreated(Layer*);
+    void onLayerDestroyed(Layer*);
 
     TransactionCompletedThread& getTransactionCompletedThread() {
         return mTransactionCompletedThread;
@@ -607,27 +604,27 @@
                          sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp,
                          const sp<IBinder>& parentHandle, const sp<Layer>& parentLayer = nullptr);
 
-    status_t createBufferQueueLayer(const sp<Client>& client, const String8& name, uint32_t w,
+    status_t createBufferQueueLayer(const sp<Client>& client, std::string name, uint32_t w,
                                     uint32_t h, uint32_t flags, LayerMetadata metadata,
                                     PixelFormat& format, sp<IBinder>* outHandle,
                                     sp<IGraphicBufferProducer>* outGbp, sp<Layer>* outLayer);
 
-    status_t createBufferStateLayer(const sp<Client>& client, const String8& name, uint32_t w,
+    status_t createBufferStateLayer(const sp<Client>& client, std::string name, uint32_t w,
                                     uint32_t h, uint32_t flags, LayerMetadata metadata,
                                     sp<IBinder>* outHandle, sp<Layer>* outLayer);
 
-    status_t createColorLayer(const sp<Client>& client, const String8& name, uint32_t w, uint32_t h,
+    status_t createColorLayer(const sp<Client>& client, std::string name, uint32_t w, uint32_t h,
                               uint32_t flags, LayerMetadata metadata, sp<IBinder>* outHandle,
                               sp<Layer>* outLayer);
 
-    status_t createContainerLayer(const sp<Client>& client, const String8& name, uint32_t w,
+    status_t createContainerLayer(const sp<Client>& client, std::string name, uint32_t w,
                                   uint32_t h, uint32_t flags, LayerMetadata metadata,
                                   sp<IBinder>* outHandle, sp<Layer>* outLayer);
 
     status_t mirrorLayer(const sp<Client>& client, const sp<IBinder>& mirrorFromHandle,
                          sp<IBinder>* outHandle);
 
-    String8 getUniqueLayerName(const String8& name);
+    std::string getUniqueLayerName(const char* name);
 
     // called when all clients have released all their references to
     // this layer meaning it is entirely safe to destroy all
@@ -866,8 +863,8 @@
     // Not const because each Layer needs to query Fences and cache timestamps.
     void dumpFrameEventsLocked(std::string& result);
 
-    void recordBufferingStats(const char* layerName,
-            std::vector<OccupancyTracker::Segment>&& history);
+    void recordBufferingStats(const std::string& layerName,
+                              std::vector<OccupancyTracker::Segment>&& history);
     void dumpBufferingStats(std::string& result) const;
     void dumpDisplayIdentificationData(std::string& result) const;
     void dumpRawDisplayIdentificationData(const DumpArgs&, std::string& result) const;
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
index f0457e3..4f439da 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.cpp
@@ -17,12 +17,14 @@
 #include <compositionengine/impl/CompositionEngine.h>
 #include <ui/GraphicBuffer.h>
 
+#include "BufferLayerConsumer.h"
 #include "BufferQueueLayer.h"
 #include "BufferStateLayer.h"
 #include "ColorLayer.h"
 #include "ContainerLayer.h"
 #include "DisplayDevice.h"
 #include "Layer.h"
+#include "MonitoredProducer.h"
 #include "NativeWindowSurface.h"
 #include "StartPropertySetThread.h"
 #include "SurfaceFlingerDefaultFactory.h"
@@ -92,6 +94,18 @@
     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);
diff --git a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
index 89e0679..42bb177 100644
--- a/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerDefaultFactory.h
@@ -42,6 +42,12 @@
     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;
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.h b/services/surfaceflinger/SurfaceFlingerFactory.h
index 3fd4de8..20784d2 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerFactory.h
@@ -30,6 +30,7 @@
 
 class BufferQueueLayer;
 class BufferStateLayer;
+class BufferLayerConsumer;
 class ColorLayer;
 class ContainerLayer;
 class DisplayDevice;
@@ -39,6 +40,7 @@
 class HWComposer;
 class IGraphicBufferConsumer;
 class IGraphicBufferProducer;
+class Layer;
 class MessageQueue;
 class Scheduler;
 class StartPropertySetThread;
@@ -85,6 +87,13 @@
     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;
 
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index a02d14c..7e6c472 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -165,10 +165,6 @@
     return layer;
 }
 
-const std::string SurfaceInterceptor::getLayerName(const sp<const Layer>& layer) const {
-    return layer->getName().string();
-}
-
 int32_t SurfaceInterceptor::getLayerId(const sp<const Layer>& layer) const {
     return layer->sequence;
 }
@@ -490,7 +486,7 @@
 {
     SurfaceCreation* creation(increment->mutable_surface_creation());
     creation->set_id(getLayerId(layer));
-    creation->set_name(getLayerName(layer));
+    creation->set_name(layer->getName());
     creation->set_w(layer->mCurrentState.active_legacy.w);
     creation->set_h(layer->mCurrentState.active_legacy.h);
 }
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
index 6858c4d..72b734b 100644
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ b/services/surfaceflinger/SurfaceInterceptor.h
@@ -123,7 +123,6 @@
 
     status_t writeProtoFileLocked();
     const sp<const Layer> getLayer(const wp<const IBinder>& weakHandle) const;
-    const std::string getLayerName(const sp<const Layer>& layer) const;
     int32_t getLayerId(const sp<const Layer>& layer) const;
     int32_t getLayerIdFromWeakRef(const wp<const Layer>& layer) const;
     int32_t getLayerIdFromHandle(const sp<const IBinder>& weakHandle) const;
diff --git a/services/surfaceflinger/TimeStats/OWNERS b/services/surfaceflinger/TimeStats/OWNERS
index ac02d12..1441f91 100644
--- a/services/surfaceflinger/TimeStats/OWNERS
+++ b/services/surfaceflinger/TimeStats/OWNERS
@@ -1 +1,2 @@
-zzyiwei@google.com
\ No newline at end of file
+alecmouri@google.com
+zzyiwei@google.com
diff --git a/services/surfaceflinger/TransactionCompletedThread.cpp b/services/surfaceflinger/TransactionCompletedThread.cpp
index 92e59d7..8db03db 100644
--- a/services/surfaceflinger/TransactionCompletedThread.cpp
+++ b/services/surfaceflinger/TransactionCompletedThread.cpp
@@ -234,7 +234,8 @@
     sp<IBinder> surfaceControl = handle->surfaceControl.promote();
     if (surfaceControl) {
         transactionStats->surfaceStats.emplace_back(surfaceControl, handle->acquireTime,
-                                                    handle->previousReleaseFence);
+                                                    handle->previousReleaseFence,
+                                                    handle->transformHint);
     }
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/TransactionCompletedThread.h b/services/surfaceflinger/TransactionCompletedThread.h
index a85ad1e..12ea8fe 100644
--- a/services/surfaceflinger/TransactionCompletedThread.h
+++ b/services/surfaceflinger/TransactionCompletedThread.h
@@ -44,6 +44,7 @@
     sp<Fence> previousReleaseFence;
     nsecs_t acquireTime = -1;
     nsecs_t latchTime = -1;
+    uint32_t transformHint = 0;
 };
 
 class TransactionCompletedThread {
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 2183d34..f85da20 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -53,6 +53,7 @@
         "TimeStatsTest.cpp",
         "FrameTracerTest.cpp",
         "TransactionApplicationTest.cpp",
+        "StrongTypingTest.cpp",
         "mock/DisplayHardware/MockComposer.cpp",
         "mock/DisplayHardware/MockDisplay.cpp",
         "mock/DisplayHardware/MockPowerAdvisor.cpp",
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index 8aff096..60da70f 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -839,7 +839,7 @@
     static FlingerLayerType createLayer(CompositionTest* test) {
         FlingerLayerType layer = Base::template createLayerWithFactory<ColorLayer>(test, [test]() {
             return new ColorLayer(LayerCreationArgs(test->mFlinger.mFlinger.get(), sp<Client>(),
-                                                    String8("test-layer"), LayerProperties::WIDTH,
+                                                    "test-layer", LayerProperties::WIDTH,
                                                     LayerProperties::HEIGHT,
                                                     LayerProperties::LAYER_FLAGS, LayerMetadata()));
         });
@@ -879,11 +879,9 @@
         FlingerLayerType layer =
                 Base::template createLayerWithFactory<BufferQueueLayer>(test, [test]() {
                     sp<Client> client;
-                    String8 name("test-layer");
-                    LayerCreationArgs args =
-                            LayerCreationArgs(test->mFlinger.mFlinger.get(), client, name,
-                                              LayerProperties::WIDTH, LayerProperties::HEIGHT,
-                                              LayerProperties::LAYER_FLAGS, LayerMetadata());
+                    LayerCreationArgs args(test->mFlinger.mFlinger.get(), client, "test-layer",
+                                           LayerProperties::WIDTH, LayerProperties::HEIGHT,
+                                           LayerProperties::LAYER_FLAGS, LayerMetadata());
                     args.textureName = test->mFlinger.mutableTexturePool().back();
                     return new BufferQueueLayer(args);
                 });
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
index 8e7440c..9a962bc 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
@@ -1,140 +1,243 @@
 #undef LOG_TAG
-#define LOG_TAG "LayerHistoryUnittests"
+#define LOG_TAG "LayerHistoryTest"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
-
 #include <log/log.h>
 
-#include <mutex>
-#include <thread>
-
 #include "Scheduler/LayerHistory.h"
+#include "Scheduler/LayerInfo.h"
+#include "TestableScheduler.h"
+#include "TestableSurfaceFlinger.h"
+#include "mock/MockLayer.h"
 
 using testing::_;
 using testing::Return;
 
-namespace android {
-namespace scheduler {
+namespace android::scheduler {
 
 class LayerHistoryTest : public testing::Test {
-public:
-    LayerHistoryTest();
-    ~LayerHistoryTest() override;
-
 protected:
-    std::unique_ptr<LayerHistory> mLayerHistory;
+    static constexpr auto PRESENT_TIME_HISTORY_SIZE = LayerInfo::PresentTimeHistory::HISTORY_SIZE;
+    static constexpr auto MAX_FREQUENT_LAYER_PERIOD_NS = LayerInfo::MAX_FREQUENT_LAYER_PERIOD_NS;
 
-    static constexpr float MIN_REFRESH_RATE = 30.f;
-    static constexpr float MAX_REFRESH_RATE = 90.f;
-    static constexpr auto RELEVANT_FRAME_THRESHOLD = 90u;
-    static constexpr uint64_t THIRTY_FPS_INTERVAL = 33'333'333;
+    static constexpr float LO_FPS = 30.f;
+    static constexpr nsecs_t LO_FPS_PERIOD = 33'333'333;
 
-    void forceRelevancy(const std::unique_ptr<LayerHistory::LayerHandle>& testLayer) {
-        mLayerHistory->setVisibility(testLayer, true);
-        for (auto i = 0u; i < RELEVANT_FRAME_THRESHOLD; i++) {
-            mLayerHistory->insert(testLayer, 0, false /*isHDR*/);
-        }
-    };
-};
+    static constexpr float HI_FPS = 90.f;
+    static constexpr nsecs_t HI_FPS_PERIOD = 11'111'111;
 
-LayerHistoryTest::LayerHistoryTest() {
-    mLayerHistory = std::make_unique<LayerHistory>();
-}
-LayerHistoryTest::~LayerHistoryTest() {}
+    LayerHistoryTest() { mFlinger.resetScheduler(mScheduler); }
 
-namespace {
-TEST_F(LayerHistoryTest, oneLayer) {
-    std::unique_ptr<LayerHistory::LayerHandle> testLayer =
-            mLayerHistory->createLayer("TestLayer", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(testLayer, true);
-    for (auto i = 0u; i < RELEVANT_FRAME_THRESHOLD; i++) {
-        EXPECT_FLOAT_EQ(0.f, mLayerHistory->getDesiredRefreshRateAndHDR().first);
-        mLayerHistory->insert(testLayer, 0, false /*isHDR*/);
+    LayerHistory& history() { return mScheduler->mutableLayerHistory(); }
+    const LayerHistory& history() const { return mScheduler->mutableLayerHistory(); }
+
+    size_t layerCount() const NO_THREAD_SAFETY_ANALYSIS { return history().mLayerInfos.size(); }
+    size_t activeLayerCount() const NO_THREAD_SAFETY_ANALYSIS { return history().mActiveLayersEnd; }
+
+    size_t frequentLayerCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
+        const auto& infos = history().mLayerInfos;
+        return std::count_if(infos.begin(), infos.begin() + history().mActiveLayersEnd,
+                             [now](const auto& pair) { return pair.second->isFrequent(now); });
     }
 
-    // Add a few more. This time we should get MAX refresh rate as the layer
-    // becomes relevant
-    static constexpr auto A_FEW = 10;
-    for (auto i = 0u; i < A_FEW; i++) {
-        EXPECT_FLOAT_EQ(MAX_REFRESH_RATE, mLayerHistory->getDesiredRefreshRateAndHDR().first);
-        mLayerHistory->insert(testLayer, 0, false /*isHDR*/);
+    auto createLayer() { return sp<mock::MockLayer>(new mock::MockLayer(mFlinger.flinger())); }
+
+    RefreshRateConfigs mConfigs{true,
+                                {RefreshRateConfigs::InputConfig{0, LO_FPS_PERIOD},
+                                 RefreshRateConfigs::InputConfig{1, HI_FPS_PERIOD}},
+                                0};
+    TestableScheduler* const mScheduler{new TestableScheduler(mConfigs)};
+    TestableSurfaceFlinger mFlinger;
+
+    const nsecs_t mTime = systemTime();
+};
+
+namespace {
+
+TEST_F(LayerHistoryTest, oneLayer) {
+    const auto layer = createLayer();
+    constexpr bool isHDR = false;
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    // 0 FPS is returned if no layers are active.
+    EXPECT_FLOAT_EQ(0, history().summarize(mTime).maxRefreshRate);
+    EXPECT_EQ(0, activeLayerCount());
+
+    // 0 FPS is returned if active layers have insufficient history.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
+        history().record(layer.get(), 0, isHDR, mTime);
+        EXPECT_FLOAT_EQ(0, history().summarize(mTime).maxRefreshRate);
+        EXPECT_EQ(1, activeLayerCount());
+    }
+
+    // High FPS is returned once enough history has been recorded.
+    for (int i = 0; i < 10; i++) {
+        history().record(layer.get(), 0, isHDR, mTime);
+        EXPECT_FLOAT_EQ(HI_FPS, history().summarize(mTime).maxRefreshRate);
+        EXPECT_EQ(1, activeLayerCount());
     }
 }
 
 TEST_F(LayerHistoryTest, oneHDRLayer) {
-    std::unique_ptr<LayerHistory::LayerHandle> testLayer =
-            mLayerHistory->createLayer("TestHDRLayer", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(testLayer, true);
+    const auto layer = createLayer();
+    constexpr bool isHDR = true;
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
 
-    mLayerHistory->insert(testLayer, 0, true /*isHDR*/);
-    EXPECT_FLOAT_EQ(0.0f, mLayerHistory->getDesiredRefreshRateAndHDR().first);
-    EXPECT_EQ(true, mLayerHistory->getDesiredRefreshRateAndHDR().second);
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
 
-    mLayerHistory->setVisibility(testLayer, false);
-    EXPECT_FLOAT_EQ(0.0f, mLayerHistory->getDesiredRefreshRateAndHDR().first);
-    EXPECT_EQ(false, mLayerHistory->getDesiredRefreshRateAndHDR().second);
+    history().record(layer.get(), 0, isHDR, mTime);
+    auto summary = history().summarize(mTime);
+    EXPECT_FLOAT_EQ(0, summary.maxRefreshRate);
+    EXPECT_TRUE(summary.isHDR);
+    EXPECT_EQ(1, activeLayerCount());
+
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(false));
+
+    summary = history().summarize(mTime);
+    EXPECT_FLOAT_EQ(0, summary.maxRefreshRate);
+    EXPECT_FALSE(summary.isHDR);
+    EXPECT_EQ(0, activeLayerCount());
 }
 
 TEST_F(LayerHistoryTest, explicitTimestamp) {
-    std::unique_ptr<LayerHistory::LayerHandle> test30FpsLayer =
-            mLayerHistory->createLayer("30FpsLayer", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(test30FpsLayer, true);
+    const auto layer = createLayer();
+    constexpr bool isHDR = false;
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
 
-    nsecs_t startTime = systemTime();
-    for (int i = 0; i < RELEVANT_FRAME_THRESHOLD; i++) {
-        mLayerHistory->insert(test30FpsLayer, startTime + (i * THIRTY_FPS_INTERVAL),
-                              false /*isHDR*/);
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = mTime;
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer.get(), time, isHDR, time);
+        time += LO_FPS_PERIOD;
     }
 
-    EXPECT_FLOAT_EQ(30.f, mLayerHistory->getDesiredRefreshRateAndHDR().first);
+    EXPECT_FLOAT_EQ(LO_FPS, history().summarize(mTime).maxRefreshRate);
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
 }
 
 TEST_F(LayerHistoryTest, multipleLayers) {
-    std::unique_ptr<LayerHistory::LayerHandle> testLayer =
-            mLayerHistory->createLayer("TestLayer", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(testLayer, true);
-    std::unique_ptr<LayerHistory::LayerHandle> test30FpsLayer =
-            mLayerHistory->createLayer("30FpsLayer", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(test30FpsLayer, true);
-    std::unique_ptr<LayerHistory::LayerHandle> testLayer2 =
-            mLayerHistory->createLayer("TestLayer2", MIN_REFRESH_RATE, MAX_REFRESH_RATE);
-    mLayerHistory->setVisibility(testLayer2, true);
+    auto layer1 = createLayer();
+    auto layer2 = createLayer();
+    auto layer3 = createLayer();
+    constexpr bool isHDR = false;
 
-    nsecs_t startTime = systemTime();
-    for (int i = 0; i < RELEVANT_FRAME_THRESHOLD; i++) {
-        mLayerHistory->insert(testLayer, 0, false /*isHDR*/);
+    EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
+
+    nsecs_t time = mTime;
+
+    EXPECT_EQ(3, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+    EXPECT_EQ(0, frequentLayerCount(time));
+
+    // layer1 is active but infrequent.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer1.get(), time, isHDR, time);
+        time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
     }
-    EXPECT_FLOAT_EQ(MAX_REFRESH_RATE, mLayerHistory->getDesiredRefreshRateAndHDR().first);
 
-    startTime = systemTime();
-    for (int i = 0; i < RELEVANT_FRAME_THRESHOLD; i++) {
-        mLayerHistory->insert(test30FpsLayer, startTime + (i * THIRTY_FPS_INTERVAL),
-                              false /*isHDR*/);
+    EXPECT_FLOAT_EQ(LO_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(0, frequentLayerCount(time));
+
+    // layer2 is frequent and has high refresh rate.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer2.get(), time, isHDR, time);
+        time += HI_FPS_PERIOD;
     }
-    EXPECT_FLOAT_EQ(MAX_REFRESH_RATE, mLayerHistory->getDesiredRefreshRateAndHDR().first);
 
-    for (int i = 10; i < RELEVANT_FRAME_THRESHOLD; i++) {
-        mLayerHistory->insert(test30FpsLayer, startTime + (i * THIRTY_FPS_INTERVAL),
-                              false /*isHDR*/);
+    // layer1 is still active but infrequent.
+    history().record(layer1.get(), time, isHDR, time);
+
+    EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(2, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
+
+    // layer1 is no longer active.
+    // layer2 is frequent and has low refresh rate.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer2.get(), time, isHDR, time);
+        time += LO_FPS_PERIOD;
     }
-    EXPECT_FLOAT_EQ(MAX_REFRESH_RATE, mLayerHistory->getDesiredRefreshRateAndHDR().first);
 
-    // This frame is only around for 9 occurrences, so it doesn't throw
-    // anything off.
-    for (int i = 0; i < 9; i++) {
-        mLayerHistory->insert(testLayer2, 0, false /*isHDR*/);
+    EXPECT_FLOAT_EQ(LO_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
+
+    // layer2 still has low refresh rate.
+    // layer3 has high refresh rate but not enough history.
+    constexpr int RATIO = LO_FPS_PERIOD / HI_FPS_PERIOD;
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
+        if (i % RATIO == 0) {
+            history().record(layer2.get(), time, isHDR, time);
+        }
+
+        history().record(layer3.get(), time, isHDR, time);
+        time += HI_FPS_PERIOD;
     }
-    EXPECT_FLOAT_EQ(MAX_REFRESH_RATE, mLayerHistory->getDesiredRefreshRateAndHDR().first);
-    // After 1200 ms frames become obsolete.
-    std::this_thread::sleep_for(std::chrono::milliseconds(1500));
 
-    mLayerHistory->insert(test30FpsLayer,
-                          startTime + (RELEVANT_FRAME_THRESHOLD * THIRTY_FPS_INTERVAL),
-                          false /*isHDR*/);
-    EXPECT_FLOAT_EQ(30.f, mLayerHistory->getDesiredRefreshRateAndHDR().first);
+    EXPECT_FLOAT_EQ(LO_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(2, activeLayerCount());
+    EXPECT_EQ(2, frequentLayerCount(time));
+
+    // layer3 becomes recently active.
+    history().record(layer3.get(), time, isHDR, time);
+    EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(2, activeLayerCount());
+    EXPECT_EQ(2, frequentLayerCount(time));
+
+    // layer1 expires.
+    layer1.clear();
+    EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(2, layerCount());
+    EXPECT_EQ(2, activeLayerCount());
+    EXPECT_EQ(2, frequentLayerCount(time));
+
+    // layer2 still has low refresh rate.
+    // layer3 becomes inactive.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer2.get(), time, isHDR, time);
+        time += LO_FPS_PERIOD;
+    }
+
+    EXPECT_FLOAT_EQ(LO_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
+
+    // layer2 expires.
+    layer2.clear();
+    EXPECT_FLOAT_EQ(0, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+    EXPECT_EQ(0, frequentLayerCount(time));
+
+    // layer3 becomes active and has high refresh rate.
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer3.get(), time, isHDR, time);
+        time += HI_FPS_PERIOD;
+    }
+
+    EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
+
+    // layer3 expires.
+    layer3.clear();
+    EXPECT_FLOAT_EQ(0, history().summarize(time).maxRefreshRate);
+    EXPECT_EQ(0, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+    EXPECT_EQ(0, frequentLayerCount(time));
 }
 
 } // namespace
-} // namespace scheduler
-} // namespace android
\ No newline at end of file
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/tests/unittests/StrongTypingTest.cpp b/services/surfaceflinger/tests/unittests/StrongTypingTest.cpp
new file mode 100644
index 0000000..b9ddcd7
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/StrongTypingTest.cpp
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ * 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 <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include "Scheduler/StrongTyping.h"
+
+using namespace testing;
+
+namespace android {
+
+TEST(StrongTypeTest, comparison) {
+    using SpunkyType = StrongTyping<int, struct SpunkyTypeTag, Compare>;
+    SpunkyType f2(22);
+    SpunkyType f1(10);
+
+    EXPECT_TRUE(f1 == f1);
+    EXPECT_TRUE(SpunkyType(10) != SpunkyType(11));
+    EXPECT_FALSE(SpunkyType(31) != SpunkyType(31));
+
+    EXPECT_TRUE(SpunkyType(10) < SpunkyType(11));
+    EXPECT_TRUE(SpunkyType(-1) < SpunkyType(0));
+    EXPECT_FALSE(SpunkyType(-10) < SpunkyType(-20));
+
+    EXPECT_TRUE(SpunkyType(10) <= SpunkyType(11));
+    EXPECT_TRUE(SpunkyType(10) <= SpunkyType(10));
+    EXPECT_TRUE(SpunkyType(-10) <= SpunkyType(1));
+    EXPECT_FALSE(SpunkyType(10) <= SpunkyType(9));
+
+    EXPECT_TRUE(SpunkyType(11) >= SpunkyType(11));
+    EXPECT_TRUE(SpunkyType(12) >= SpunkyType(11));
+    EXPECT_FALSE(SpunkyType(11) >= SpunkyType(12));
+
+    EXPECT_FALSE(SpunkyType(11) > SpunkyType(12));
+    EXPECT_TRUE(SpunkyType(-11) < SpunkyType(7));
+}
+
+TEST(StrongTypeTest, addition) {
+    using FunkyType = StrongTyping<int, struct FunkyTypeTag, Compare, Add>;
+    FunkyType f2(22);
+    FunkyType f1(10);
+
+    EXPECT_THAT(f1 + f2, Eq(FunkyType(32)));
+    EXPECT_THAT(f2 + f1, Eq(FunkyType(32)));
+
+    EXPECT_THAT(++f1, Eq(11));
+    EXPECT_THAT(f1, Eq(11));
+    EXPECT_THAT(f1++, Eq(11));
+    EXPECT_THAT(f1++, Eq(12));
+    EXPECT_THAT(f1, Eq(13));
+
+    auto f3 = f1;
+    EXPECT_THAT(f1, Eq(f3));
+    EXPECT_THAT(f1, Lt(f2));
+
+    f3 += f1;
+    EXPECT_THAT(f1, Eq(13));
+    EXPECT_THAT(f3, Eq(26));
+}
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index ae72467..ae6aa89 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -48,6 +48,7 @@
     auto& mutableEventControlThread() { return mEventControlThread; }
     auto& mutablePrimaryDispSync() { return mPrimaryDispSync; }
     auto& mutableHWVsyncAvailable() { return mHWVsyncAvailable; }
+    auto& mutableLayerHistory() { return mLayerHistory; }
 
     ~TestableScheduler() {
         // All these pointer and container clears help ensure that GMock does
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index b85c1b6..94fc5f7 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -22,6 +22,7 @@
 #include <compositionengine/OutputLayer.h>
 #include <compositionengine/impl/CompositionEngine.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
+#include <compositionengine/mock/DisplaySurface.h>
 
 #include "BufferQueueLayer.h"
 #include "BufferStateLayer.h"
@@ -62,23 +63,19 @@
     ~Factory() = default;
 
     std::unique_ptr<DispSync> createDispSync(const char*, bool) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     std::unique_ptr<EventControlThread> createEventControlThread(
             std::function<void(bool)>) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     std::unique_ptr<HWComposer> createHWComposer(const std::string&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     std::unique_ptr<MessageQueue> createMessageQueue() override {
-        // TODO: Use test-fixture controlled factory
         return std::make_unique<android::impl::MessageQueue>();
     }
 
@@ -88,39 +85,49 @@
 
     std::unique_ptr<Scheduler> createScheduler(std::function<void(bool)>,
                                                const scheduler::RefreshRateConfigs&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     std::unique_ptr<SurfaceInterceptor> createSurfaceInterceptor(SurfaceFlinger* flinger) override {
-        // TODO: Use test-fixture controlled factory
         return std::make_unique<android::impl::SurfaceInterceptor>(flinger);
     }
 
     sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
-        // TODO: Use test-fixture controlled factory
         return new StartPropertySetThread(timestampPropertyValue);
     }
 
     sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs&& creationArgs) override {
-        // TODO: Use test-fixture controlled factory
         return new DisplayDevice(std::move(creationArgs));
     }
 
     sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
                                           uint32_t layerCount, uint64_t usage,
                                           std::string requestorName) override {
-        // TODO: Use test-fixture controlled factory
         return new GraphicBuffer(width, height, format, layerCount, usage, requestorName);
     }
 
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                            sp<IGraphicBufferConsumer>* outConsumer,
                            bool consumerIsSurfaceFlinger) override {
-        if (!mCreateBufferQueue) return;
+        if (!mCreateBufferQueue) {
+            BufferQueue::createBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
+            return;
+        }
         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;
@@ -132,22 +139,18 @@
     }
 
     sp<BufferQueueLayer> createBufferQueueLayer(const LayerCreationArgs&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     sp<BufferStateLayer> createBufferStateLayer(const LayerCreationArgs&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     sp<ColorLayer> createColorLayer(const LayerCreationArgs&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
     sp<ContainerLayer> createContainerLayer(const LayerCreationArgs&) override {
-        // TODO: Use test-fixture controlled factory
         return nullptr;
     }
 
@@ -171,6 +174,7 @@
 
 class TestableSurfaceFlinger {
 public:
+    SurfaceFlinger* flinger() { return mFlinger.get(); }
     TestableScheduler* scheduler() { return mScheduler; }
 
     // Extend this as needed for accessing SurfaceFlinger private (and public)
@@ -205,13 +209,15 @@
 
         mFlinger->mAppConnectionHandle = mScheduler->createConnection(std::move(appEventThread));
         mFlinger->mSfConnectionHandle = mScheduler->createConnection(std::move(sfEventThread));
+        resetScheduler(mScheduler);
 
-        mFlinger->mScheduler.reset(mScheduler);
         mFlinger->mVSyncModulator.emplace(*mScheduler, mFlinger->mAppConnectionHandle,
                                           mFlinger->mSfConnectionHandle,
                                           mFlinger->mPhaseOffsets->getCurrentOffsets());
     }
 
+    void resetScheduler(Scheduler* scheduler) { mFlinger->mScheduler.reset(scheduler); }
+
     using CreateBufferQueueFunction = surfaceflinger::test::Factory::CreateBufferQueueFunction;
     void setCreateBufferQueueFunction(CreateBufferQueueFunction f) {
         mFactory.mCreateBufferQueue = f;
diff --git a/services/surfaceflinger/tests/unittests/mock/MockLayer.h b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
new file mode 100644
index 0000000..f375e23
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ * 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 <gmock/gmock.h>
+
+#include "Layer.h"
+
+namespace android::mock {
+
+class MockLayer : public Layer {
+public:
+    explicit MockLayer(SurfaceFlinger* flinger)
+          : Layer(LayerCreationArgs(flinger, nullptr, "TestLayer", 800, 600, 0, {})) {}
+
+    MOCK_CONST_METHOD0(getType, const char*());
+    MOCK_CONST_METHOD0(isVisible, bool());
+    MOCK_METHOD0(createClone, sp<Layer>());
+};
+
+} // namespace android::mock
diff --git a/services/surfaceflinger/tests/utils/CallbackUtils.h b/services/surfaceflinger/tests/utils/CallbackUtils.h
index 51ae8c4..4e2b7c3 100644
--- a/services/surfaceflinger/tests/utils/CallbackUtils.h
+++ b/services/surfaceflinger/tests/utils/CallbackUtils.h
@@ -121,7 +121,8 @@
 
         void verifySurfaceControlStats(const SurfaceControlStats& surfaceControlStats,
                                        nsecs_t latchTime) const {
-            const auto& [surfaceControl, acquireTime, previousReleaseFence] = surfaceControlStats;
+            const auto& [surfaceControl, acquireTime, previousReleaseFence, transformHint] =
+                    surfaceControlStats;
 
             ASSERT_EQ(acquireTime > 0, mBufferResult == ExpectedResult::Buffer::ACQUIRED)
                     << "bad acquire time";
diff --git a/vulkan/libvulkan/api.cpp b/vulkan/libvulkan/api.cpp
index 48f26e7..24039b1 100644
--- a/vulkan/libvulkan/api.cpp
+++ b/vulkan/libvulkan/api.cpp
@@ -519,7 +519,11 @@
       get_device_proc_addr_(nullptr),
       driver_extensions_(nullptr),
       driver_extension_count_(0) {
-    enabled_extensions_.set(driver::ProcHook::EXTENSION_CORE);
+    // advertise the loader supported core Vulkan API version at vulkan::api
+    for (uint32_t i = driver::ProcHook::EXTENSION_CORE_1_0;
+         i != driver::ProcHook::EXTENSION_COUNT; ++i) {
+        enabled_extensions_.set(i);
+    }
 }
 
 LayerChain::~LayerChain() {
@@ -1275,7 +1279,7 @@
         return *pPropertyCount < count ? VK_INCOMPLETE : VK_SUCCESS;
     }
 
-    // TODO how about extensions from implicitly enabled layers?
+    // TODO(b/143293104): expose extensions from implicitly enabled layers
     return vulkan::driver::EnumerateInstanceExtensionProperties(
         nullptr, pPropertyCount, pProperties);
 }
@@ -1329,7 +1333,7 @@
         return *pPropertyCount < count ? VK_INCOMPLETE : VK_SUCCESS;
     }
 
-    // TODO how about extensions from implicitly enabled layers?
+    // TODO(b/143293104): expose extensions from implicitly enabled layers
     const InstanceData& data = GetData(physicalDevice);
     return data.dispatch.EnumerateDeviceExtensionProperties(
         physicalDevice, nullptr, pPropertyCount, pProperties);
diff --git a/vulkan/libvulkan/debug_report.h b/vulkan/libvulkan/debug_report.h
index 3d8bd50..e5b1587 100644
--- a/vulkan/libvulkan/debug_report.h
+++ b/vulkan/libvulkan/debug_report.h
@@ -78,7 +78,7 @@
         VkDebugReportCallbackEXT driver_handle;
     };
 
-    // TODO(jessehall): replace with std::shared_mutex when available in libc++
+    // TODO(b/143295577): use std::shared_mutex when available in libc++
     mutable std::shared_timed_mutex rwmutex_;
     Node head_;
 };
diff --git a/vulkan/libvulkan/driver.cpp b/vulkan/libvulkan/driver.cpp
index b413ac9..d92f35a 100644
--- a/vulkan/libvulkan/driver.cpp
+++ b/vulkan/libvulkan/driver.cpp
@@ -37,7 +37,10 @@
 
 #include <algorithm>
 #include <array>
+#include <climits>
 #include <new>
+#include <string_view>
+#include <sstream>
 #include <vector>
 
 #include "stubhal.h"
@@ -99,6 +102,7 @@
 
     VkResult Validate();
     void DowngradeApiVersion();
+    void UpgradeDeviceCoreApiVersion(uint32_t api_version);
 
     const std::bitset<ProcHook::EXTENSION_COUNT>& GetHookExtensions() const;
     const std::bitset<ProcHook::EXTENSION_COUNT>& GetHalExtensions() const;
@@ -147,15 +151,12 @@
 Hal Hal::hal_;
 
 void* LoadLibrary(const android_dlextinfo& dlextinfo,
-                  const char* subname,
-                  int subname_len) {
+                  const std::string_view subname) {
     ATRACE_CALL();
 
-    const char kLibFormat[] = "vulkan.%*s.so";
-    char* name = static_cast<char*>(
-        alloca(sizeof(kLibFormat) + static_cast<size_t>(subname_len)));
-    sprintf(name, kLibFormat, subname_len, subname);
-    return android_dlopen_ext(name, RTLD_LOCAL | RTLD_NOW, &dlextinfo);
+    std::stringstream ss;
+    ss << "vulkan." << subname << ".so";
+    return android_dlopen_ext(ss.str().c_str(), RTLD_LOCAL | RTLD_NOW, &dlextinfo);
 }
 
 const std::array<const char*, 2> HAL_SUBNAME_KEY_PROPERTIES = {{
@@ -175,8 +176,9 @@
     char prop[PROPERTY_VALUE_MAX];
     for (auto key : HAL_SUBNAME_KEY_PROPERTIES) {
         int prop_len = property_get(key, prop, nullptr);
-        if (prop_len > 0) {
-            so = LoadLibrary(dlextinfo, prop, prop_len);
+        if (prop_len > 0 && prop_len <= UINT_MAX) {
+            std::string_view lib_name(prop, static_cast<unsigned int>(prop_len));
+            so = LoadLibrary(dlextinfo, lib_name);
             if (so)
                 break;
         }
@@ -328,8 +330,12 @@
       physical_dev_(VK_NULL_HANDLE),
       instance_info_(create_info),
       extension_filter_() {
-    hook_extensions_.set(ProcHook::EXTENSION_CORE);
-    hal_extensions_.set(ProcHook::EXTENSION_CORE);
+    // instance core versions need to match the loader api version
+    for (uint32_t i = ProcHook::EXTENSION_CORE_1_0;
+         i != ProcHook::EXTENSION_COUNT; ++i) {
+        hook_extensions_.set(i);
+        hal_extensions_.set(i);
+    }
 }
 
 CreateInfoWrapper::CreateInfoWrapper(VkPhysicalDevice physical_dev,
@@ -340,8 +346,9 @@
       physical_dev_(physical_dev),
       dev_info_(create_info),
       extension_filter_() {
-    hook_extensions_.set(ProcHook::EXTENSION_CORE);
-    hal_extensions_.set(ProcHook::EXTENSION_CORE);
+    // initialize with baseline core API version
+    hook_extensions_.set(ProcHook::EXTENSION_CORE_1_0);
+    hal_extensions_.set(ProcHook::EXTENSION_CORE_1_0);
 }
 
 CreateInfoWrapper::~CreateInfoWrapper() {
@@ -540,7 +547,8 @@
             case ProcHook::ANDROID_external_memory_android_hardware_buffer:
             case ProcHook::ANDROID_native_buffer:
             case ProcHook::GOOGLE_display_timing:
-            case ProcHook::EXTENSION_CORE:
+            case ProcHook::EXTENSION_CORE_1_0:
+            case ProcHook::EXTENSION_CORE_1_1:
             case ProcHook::EXTENSION_COUNT:
                 // Device and meta extensions. If we ever get here it's a bug in
                 // our code. But enumerating them lets us avoid having a default
@@ -588,7 +596,8 @@
             case ProcHook::EXT_debug_report:
             case ProcHook::EXT_swapchain_colorspace:
             case ProcHook::ANDROID_native_buffer:
-            case ProcHook::EXTENSION_CORE:
+            case ProcHook::EXTENSION_CORE_1_0:
+            case ProcHook::EXTENSION_CORE_1_1:
             case ProcHook::EXTENSION_COUNT:
                 // Instance and meta extensions. If we ever get here it's a bug
                 // in our code. But enumerating them lets us avoid having a
@@ -636,6 +645,31 @@
     }
 }
 
+void CreateInfoWrapper::UpgradeDeviceCoreApiVersion(uint32_t api_version) {
+    ALOG_ASSERT(!is_instance_, "Device only API called by instance wrapper.");
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wold-style-cast"
+    api_version ^= VK_VERSION_PATCH(api_version);
+#pragma clang diagnostic pop
+
+    // cap the API version to the loader supported highest version
+    if (api_version > VK_API_VERSION_1_1)
+        api_version = VK_API_VERSION_1_1;
+
+    switch (api_version) {
+        case VK_API_VERSION_1_1:
+            hook_extensions_.set(ProcHook::EXTENSION_CORE_1_1);
+            hal_extensions_.set(ProcHook::EXTENSION_CORE_1_1);
+            [[clang::fallthrough]];
+        case VK_API_VERSION_1_0:
+            break;
+        default:
+            ALOGD("Unknown upgrade API version[%u]", api_version);
+            break;
+    }
+}
+
 VKAPI_ATTR void* DefaultAllocate(void*,
                                  size_t size,
                                  size_t alignment,
@@ -659,7 +693,7 @@
         return nullptr;
     }
 
-    // TODO(jessehall): Right now we never shrink allocations; if the new
+    // TODO(b/143295633): Right now we never shrink allocations; if the new
     // request is smaller than the existing chunk, we just continue using it.
     // Right now the loader never reallocs, so this doesn't matter. If that
     // changes, or if this code is copied into some other project, this should
@@ -771,7 +805,7 @@
                        : nullptr;
             break;
         case ProcHook::DEVICE:
-            proc = (hook->extension == ProcHook::EXTENSION_CORE)
+            proc = (hook->extension == ProcHook::EXTENSION_CORE_1_0)
                        ? hook->proc
                        : hook->checked_proc;
             break;
@@ -1117,6 +1151,13 @@
     if (!data)
         return VK_ERROR_OUT_OF_HOST_MEMORY;
 
+    VkPhysicalDeviceProperties properties;
+    ATRACE_BEGIN("driver.GetPhysicalDeviceProperties");
+    instance_data.driver.GetPhysicalDeviceProperties(physicalDevice,
+                                                     &properties);
+    ATRACE_END();
+
+    wrapper.UpgradeDeviceCoreApiVersion(properties.apiVersion);
     data->hook_extensions |= wrapper.GetHookExtensions();
 
     // call into the driver
@@ -1161,12 +1202,6 @@
         return VK_ERROR_INCOMPATIBLE_DRIVER;
     }
 
-    VkPhysicalDeviceProperties properties;
-    ATRACE_BEGIN("driver.GetPhysicalDeviceProperties");
-    instance_data.driver.GetPhysicalDeviceProperties(physicalDevice,
-                                                     &properties);
-    ATRACE_END();
-
     if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_CPU) {
         // Log that the app is hitting software Vulkan implementation
         android::GraphicsEnv::getInstance().setTargetStats(
@@ -1174,7 +1209,6 @@
     }
 
     data->driver_device = dev;
-    data->driver_version = properties.driverVersion;
 
     *pDevice = dev;
 
diff --git a/vulkan/libvulkan/driver.h b/vulkan/libvulkan/driver.h
index f058c47..7edadea 100644
--- a/vulkan/libvulkan/driver.h
+++ b/vulkan/libvulkan/driver.h
@@ -67,9 +67,7 @@
         : opaque_api_data(),
           allocator(alloc),
           driver(),
-          get_device_proc_addr(nullptr) {
-        hook_extensions.set(ProcHook::EXTENSION_CORE);
-    }
+          get_device_proc_addr(nullptr) {}
 
     api::InstanceData opaque_api_data;
 
@@ -89,9 +87,7 @@
         : opaque_api_data(),
           allocator(alloc),
           debug_report_callbacks(debug_report_callbacks_),
-          driver() {
-        hook_extensions.set(ProcHook::EXTENSION_CORE);
-    }
+          driver() {}
 
     api::DeviceData opaque_api_data;
 
@@ -102,7 +98,6 @@
 
     VkDevice driver_device;
     DeviceDriverTable driver;
-    uint32_t driver_version;
 };
 
 bool Debuggable();
diff --git a/vulkan/libvulkan/driver_gen.cpp b/vulkan/libvulkan/driver_gen.cpp
index f676573..52205e9 100644
--- a/vulkan/libvulkan/driver_gen.cpp
+++ b/vulkan/libvulkan/driver_gen.cpp
@@ -74,6 +74,15 @@
     }
 }
 
+VKAPI_ATTR VkResult checkedBindImageMemory2(VkDevice device, uint32_t bindInfoCount, const VkBindImageMemoryInfo* pBindInfos) {
+    if (GetData(device).hook_extensions[ProcHook::EXTENSION_CORE_1_1]) {
+        return BindImageMemory2(device, bindInfoCount, pBindInfos);
+    } else {
+        Logger(device).Err(device, "VK_VERSION_1_1 not enabled. vkBindImageMemory2 not executed.");
+        return VK_SUCCESS;
+    }
+}
+
 VKAPI_ATTR VkResult checkedBindImageMemory2KHR(VkDevice device, uint32_t bindInfoCount, const VkBindImageMemoryInfo* pBindInfos) {
     if (GetData(device).hook_extensions[ProcHook::KHR_bind_memory2]) {
         return BindImageMemory2KHR(device, bindInfoCount, pBindInfos);
@@ -145,6 +154,14 @@
     }
 }
 
+VKAPI_ATTR void checkedGetDeviceQueue2(VkDevice device, const VkDeviceQueueInfo2* pQueueInfo, VkQueue* pQueue) {
+    if (GetData(device).hook_extensions[ProcHook::EXTENSION_CORE_1_1]) {
+        GetDeviceQueue2(device, pQueueInfo, pQueue);
+    } else {
+        Logger(device).Err(device, "VK_VERSION_1_1 not enabled. vkGetDeviceQueue2 not executed.");
+    }
+}
+
 // clang-format on
 
 const ProcHook g_proc_hooks[] = {
@@ -173,16 +190,16 @@
     {
         "vkAllocateCommandBuffers",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(AllocateCommandBuffers),
         nullptr,
     },
     {
         "vkBindImageMemory2",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_1,
         reinterpret_cast<PFN_vkVoidFunction>(BindImageMemory2),
-        nullptr,
+        reinterpret_cast<PFN_vkVoidFunction>(checkedBindImageMemory2),
     },
     {
         "vkBindImageMemory2KHR",
@@ -208,14 +225,14 @@
     {
         "vkCreateDevice",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(CreateDevice),
         nullptr,
     },
     {
         "vkCreateInstance",
         ProcHook::GLOBAL,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(CreateInstance),
         nullptr,
     },
@@ -243,14 +260,14 @@
     {
         "vkDestroyDevice",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(DestroyDevice),
         nullptr,
     },
     {
         "vkDestroyInstance",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(DestroyInstance),
         nullptr,
     },
@@ -271,28 +288,28 @@
     {
         "vkEnumerateDeviceExtensionProperties",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(EnumerateDeviceExtensionProperties),
         nullptr,
     },
     {
         "vkEnumerateInstanceExtensionProperties",
         ProcHook::GLOBAL,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(EnumerateInstanceExtensionProperties),
         nullptr,
     },
     {
         "vkEnumeratePhysicalDeviceGroups",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_1,
         reinterpret_cast<PFN_vkVoidFunction>(EnumeratePhysicalDeviceGroups),
         nullptr,
     },
     {
         "vkEnumeratePhysicalDevices",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(EnumeratePhysicalDevices),
         nullptr,
     },
@@ -313,28 +330,28 @@
     {
         "vkGetDeviceProcAddr",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(GetDeviceProcAddr),
         nullptr,
     },
     {
         "vkGetDeviceQueue",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(GetDeviceQueue),
         nullptr,
     },
     {
         "vkGetDeviceQueue2",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_1,
         reinterpret_cast<PFN_vkVoidFunction>(GetDeviceQueue2),
-        nullptr,
+        reinterpret_cast<PFN_vkVoidFunction>(checkedGetDeviceQueue2),
     },
     {
         "vkGetInstanceProcAddr",
         ProcHook::INSTANCE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(GetInstanceProcAddr),
         nullptr,
     },
@@ -446,7 +463,7 @@
     {
         "vkQueueSubmit",
         ProcHook::DEVICE,
-        ProcHook::EXTENSION_CORE,
+        ProcHook::EXTENSION_CORE_1_0,
         reinterpret_cast<PFN_vkVoidFunction>(QueueSubmit),
         nullptr,
     },
diff --git a/vulkan/libvulkan/driver_gen.h b/vulkan/libvulkan/driver_gen.h
index cd7d8f8..43c4d14 100644
--- a/vulkan/libvulkan/driver_gen.h
+++ b/vulkan/libvulkan/driver_gen.h
@@ -49,7 +49,8 @@
         KHR_bind_memory2,
         KHR_get_physical_device_properties2,
 
-        EXTENSION_CORE,  // valid bit
+        EXTENSION_CORE_1_0,
+        EXTENSION_CORE_1_1,
         EXTENSION_COUNT,
         EXTENSION_UNKNOWN,
     };
diff --git a/vulkan/libvulkan/layers_extensions.cpp b/vulkan/libvulkan/layers_extensions.cpp
index 5679412..22f92d6 100644
--- a/vulkan/libvulkan/layers_extensions.cpp
+++ b/vulkan/libvulkan/layers_extensions.cpp
@@ -38,13 +38,7 @@
 #include <utils/Trace.h>
 #include <ziparchive/zip_archive.h>
 
-// TODO(jessehall): The whole way we deal with extensions is pretty hokey, and
-// not a good long-term solution. Having a hard-coded enum of extensions is
-// bad, of course. Representing sets of extensions (requested, supported, etc.)
-// as a bitset isn't necessarily bad, if the mapping from extension to bit were
-// dynamic. Need to rethink this completely when there's a little more time.
-
-// TODO(jessehall): This file currently builds up global data structures as it
+// TODO(b/143296676): This file currently builds up global data structures as it
 // loads, and never cleans them up. This means we're doing heap allocations
 // without going through an app-provided allocator, but worse, we'll leak those
 // allocations if the loader is unloaded.
@@ -101,9 +95,7 @@
     bool EnumerateLayers(size_t library_idx,
                          std::vector<Layer>& instance_layers) const;
 
-    void* GetGPA(const Layer& layer,
-                 const char* gpa_name,
-                 size_t gpa_name_len) const;
+    void* GetGPA(const Layer& layer, const std::string_view gpa_name) const;
 
     const std::string GetFilename() { return filename_; }
 
@@ -226,9 +218,8 @@
     }
 
     // get layer properties
-    VkLayerProperties* properties = static_cast<VkLayerProperties*>(alloca(
-        (num_instance_layers + num_device_layers) * sizeof(VkLayerProperties)));
-    result = enumerate_instance_layers(&num_instance_layers, properties);
+    std::vector<VkLayerProperties> properties(num_instance_layers + num_device_layers);
+    result = enumerate_instance_layers(&num_instance_layers, properties.data());
     if (result != VK_SUCCESS) {
         ALOGE("vkEnumerateInstanceLayerProperties failed for library '%s': %d",
               path_.c_str(), result);
@@ -236,7 +227,7 @@
     }
     if (num_device_layers > 0) {
         result = enumerate_device_layers(VK_NULL_HANDLE, &num_device_layers,
-                                         properties + num_instance_layers);
+                                         &properties[num_instance_layers]);
         if (result != VK_SUCCESS) {
             ALOGE(
                 "vkEnumerateDeviceLayerProperties failed for library '%s': %d",
@@ -321,21 +312,11 @@
     return true;
 }
 
-void* LayerLibrary::GetGPA(const Layer& layer,
-                           const char* gpa_name,
-                           size_t gpa_name_len) const {
-    void* gpa;
-    size_t layer_name_len =
-        std::max(size_t{2}, strlen(layer.properties.layerName));
-    char* name = static_cast<char*>(alloca(layer_name_len + gpa_name_len + 1));
-    strcpy(name, layer.properties.layerName);
-    strcpy(name + layer_name_len, gpa_name);
-    if (!(gpa = GetTrampoline(name))) {
-        strcpy(name, "vk");
-        strcpy(name + 2, gpa_name);
-        gpa = GetTrampoline(name);
-    }
-    return gpa;
+void* LayerLibrary::GetGPA(const Layer& layer, const std::string_view gpa_name) const {
+    std::string layer_name { layer.properties.layerName };
+    if (void* gpa = GetTrampoline((layer_name.append(gpa_name).c_str())))
+        return gpa;
+    return GetTrampoline((std::string {"vk"}.append(gpa_name)).c_str());
 }
 
 // ----------------------------------------------------------------------------
@@ -470,10 +451,9 @@
 }
 
 void* GetLayerGetProcAddr(const Layer& layer,
-                          const char* gpa_name,
-                          size_t gpa_name_len) {
+                          const std::string_view gpa_name) {
     const LayerLibrary& library = g_layer_libraries[layer.library_idx];
-    return library.GetGPA(layer, gpa_name, gpa_name_len);
+    return library.GetGPA(layer, gpa_name);
 }
 
 }  // anonymous namespace
@@ -556,13 +536,13 @@
 
 PFN_vkGetInstanceProcAddr LayerRef::GetGetInstanceProcAddr() const {
     return layer_ ? reinterpret_cast<PFN_vkGetInstanceProcAddr>(
-                        GetLayerGetProcAddr(*layer_, "GetInstanceProcAddr", 19))
+                        GetLayerGetProcAddr(*layer_, "GetInstanceProcAddr"))
                   : nullptr;
 }
 
 PFN_vkGetDeviceProcAddr LayerRef::GetGetDeviceProcAddr() const {
     return layer_ ? reinterpret_cast<PFN_vkGetDeviceProcAddr>(
-                        GetLayerGetProcAddr(*layer_, "GetDeviceProcAddr", 17))
+                        GetLayerGetProcAddr(*layer_, "GetDeviceProcAddr"))
                   : nullptr;
 }
 
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index d60eaa7..8f4667e 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -694,8 +694,8 @@
 
     const InstanceData& instance_data = GetData(pdev);
 
-    // TODO(jessehall): Fill out the set of supported formats. Longer term, add
-    // a new gralloc method to query whether a (format, usage) pair is
+    // TODO(b/143296550): Fill out the set of supported formats. Longer term,
+    // add a new gralloc method to query whether a (format, usage) pair is
     // supported, and check that for each gralloc format that corresponds to a
     // Vulkan format. Shorter term, just add a few more formats to the ones
     // hardcoded below.
@@ -704,8 +704,6 @@
         {VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
         {VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
         {VK_FORMAT_R5G6B5_UNORM_PACK16, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
-        {VK_FORMAT_A2B10G10R10_UNORM_PACK32, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
-        {VK_FORMAT_R16G16B16A16_SFLOAT, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
     };
     const uint32_t kNumFormats = sizeof(kFormats) / sizeof(kFormats[0]);
     uint32_t total_num_formats = kNumFormats;
@@ -953,7 +951,7 @@
                   strerror(-err), err);
         }
 
-        // TODO: Return something better than "whole window"
+        // TODO(b/143294545): Return something better than "whole window"
         pRects[0].offset.x = 0;
         pRects[0].offset.y = 0;
         pRects[0].extent = VkExtent2D{static_cast<uint32_t>(width),
@@ -1291,6 +1289,7 @@
     VkImageCreateInfo image_create = {
         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
         .pNext = &image_native_buffer,
+        .flags = createProtectedSwapchain ? VK_IMAGE_CREATE_PROTECTED_BIT : 0u,
         .imageType = VK_IMAGE_TYPE_2D,
         .format = create_info->imageFormat,
         .extent = {0, 0, 1},
@@ -1299,7 +1298,6 @@
         .samples = VK_SAMPLE_COUNT_1_BIT,
         .tiling = VK_IMAGE_TILING_OPTIMAL,
         .usage = create_info->imageUsage,
-        .flags = createProtectedSwapchain ? VK_IMAGE_CREATE_PROTECTED_BIT : 0u,
         .sharingMode = create_info->imageSharingMode,
         .queueFamilyIndexCount = create_info->queueFamilyIndexCount,
         .pQueueFamilyIndices = create_info->pQueueFamilyIndices,
@@ -1812,7 +1810,7 @@
         return VK_ERROR_OUT_OF_DATE_KHR;
     }
 
-    // TODO(chrisforbes): Implement this function properly
+    // TODO(b/143296009): Implement this function properly
 
     return result;
 }
diff --git a/vulkan/scripts/driver_generator.py b/vulkan/scripts/driver_generator.py
index 0be0491..a64a702 100644
--- a/vulkan/scripts/driver_generator.py
+++ b/vulkan/scripts/driver_generator.py
@@ -177,8 +177,12 @@
     for ext in _KNOWN_EXTENSIONS:
       f.write(gencom.indent(2) + gencom.base_ext_name(ext) + ',\n')
 
-    f.write("""
-        EXTENSION_CORE,  // valid bit
+    f.write('\n')
+    for version in gencom.version_code_list:
+      f.write(gencom.indent(2) + 'EXTENSION_CORE_' + version + ',\n')
+
+    # EXTENSION_COUNT must be the next enum after the highest API version.
+    f.write("""\
         EXTENSION_COUNT,
         EXTENSION_UNKNOWN,
     };
@@ -249,6 +253,18 @@
   return False
 
 
+def _get_proc_hook_enum(cmd):
+  """Returns the ProcHook enumeration for the corresponding core function.
+
+  Args:
+    cmd: Vulkan function name.
+  """
+  assert cmd in gencom.version_dict
+  for version in gencom.version_code_list:
+    if gencom.version_dict[cmd] == 'VK_VERSION_' + version:
+      return 'ProcHook::EXTENSION_CORE_' + version
+
+
 def _need_proc_hook_stub(cmd):
   """Returns true if a function needs a ProcHook stub.
 
@@ -259,6 +275,8 @@
     if cmd in gencom.extension_dict:
       if not gencom.is_extension_internal(gencom.extension_dict[cmd]):
         return True
+    elif gencom.version_dict[cmd] != 'VK_VERSION_1_0':
+      return True
   return False
 
 
@@ -271,8 +289,16 @@
   """
   if _need_proc_hook_stub(cmd):
     return_type = gencom.return_type_dict[cmd]
-    ext_name = gencom.extension_dict[cmd]
-    ext_hook = 'ProcHook::' + ext_name[3:]
+
+    ext_name = ''
+    ext_hook = ''
+    if cmd in gencom.extension_dict:
+      ext_name = gencom.extension_dict[cmd]
+      ext_hook = 'ProcHook::' + gencom.base_ext_name(ext_name)
+    else:
+      ext_name = gencom.version_dict[cmd]
+      ext_hook = _get_proc_hook_enum(cmd)
+
     handle = gencom.param_dict[cmd][0][1]
     param_types = ', '.join([''.join(i) for i in gencom.param_dict[cmd]])
     param_names = ', '.join([''.join(i[1]) for i in gencom.param_dict[cmd]])
@@ -306,12 +332,12 @@
 
   f.write(gencom.indent(1) + '{\n')
   f.write(gencom.indent(2) + '\"' + cmd + '\",\n')
-  f.write("""\
-        ProcHook::GLOBAL,
-        ProcHook::EXTENSION_CORE,
-        reinterpret_cast<PFN_vkVoidFunction>(""" + gencom.base_name(cmd) + """),
-        nullptr,
-    },\n""")
+  f.write(gencom.indent(2) + 'ProcHook::GLOBAL,\n')
+  f.write(gencom.indent(2) + _get_proc_hook_enum(cmd) + ',\n')
+  f.write(gencom.indent(2) + 'reinterpret_cast<PFN_vkVoidFunction>(' +
+          gencom.base_name(cmd) + '),\n')
+  f.write(gencom.indent(2) + 'nullptr,\n')
+  f.write(gencom.indent(1) + '},\n')
 
 
 def _define_instance_proc_hook(cmd, f):
@@ -327,7 +353,8 @@
 
   if cmd in gencom.extension_dict:
     ext_name = gencom.extension_dict[cmd]
-    f.write(gencom.indent(2) + 'ProcHook::' + ext_name[3:] + ',\n')
+    f.write(gencom.indent(2) + 'ProcHook::' +
+            gencom.base_ext_name(ext_name) + ',\n')
 
     if gencom.is_extension_internal(ext_name):
       f.write("""\
@@ -338,8 +365,8 @@
         reinterpret_cast<PFN_vkVoidFunction>(""" + gencom.base_name(cmd) + """),
         nullptr,\n""")
   else:
+    f.write(gencom.indent(2) + _get_proc_hook_enum(cmd) + ',\n')
     f.write("""\
-        ProcHook::EXTENSION_CORE,
         reinterpret_cast<PFN_vkVoidFunction>(""" + gencom.base_name(cmd) + """),
         nullptr,\n""")
 
@@ -357,9 +384,17 @@
   f.write(gencom.indent(2) + '\"' + cmd + '\",\n')
   f.write(gencom.indent(2) + 'ProcHook::DEVICE,\n')
 
-  if cmd in gencom.extension_dict:
-    ext_name = gencom.extension_dict[cmd]
-    f.write(gencom.indent(2) + 'ProcHook::' + ext_name[3:] + ',\n')
+  if (cmd in gencom.extension_dict or
+      gencom.version_dict[cmd] != 'VK_VERSION_1_0'):
+    ext_name = ''
+    ext_hook = ''
+    if cmd in gencom.extension_dict:
+      ext_name = gencom.extension_dict[cmd]
+      ext_hook = 'ProcHook::' + gencom.base_ext_name(ext_name)
+    else:
+      ext_name = gencom.version_dict[cmd]
+      ext_hook = _get_proc_hook_enum(cmd)
+    f.write(gencom.indent(2) + ext_hook + ',\n')
 
     if gencom.is_extension_internal(ext_name):
       f.write("""\
@@ -372,8 +407,8 @@
               gencom.base_name(cmd) + '),\n')
 
   else:
+    f.write(gencom.indent(2) + _get_proc_hook_enum(cmd) + ',\n')
     f.write("""\
-        ProcHook::EXTENSION_CORE,
         reinterpret_cast<PFN_vkVoidFunction>(""" + gencom.base_name(cmd) + """),
         nullptr,\n""")
 
diff --git a/vulkan/scripts/generator_common.py b/vulkan/scripts/generator_common.py
index 5bfa9ec..cf370fa 100644
--- a/vulkan/scripts/generator_common.py
+++ b/vulkan/scripts/generator_common.py
@@ -91,6 +91,9 @@
 # Dict for mapping a function to its return type.
 return_type_dict = {}
 
+# List of the sorted Vulkan version codes. e.g. '1_0', '1_1'.
+version_code_list = []
+
 # Dict for mapping a function to the core Vulkan API version.
 version_dict = {}
 
@@ -171,6 +174,15 @@
   return ext[3:]
 
 
+def version_code(version):
+  """Returns the version code from a version string.
+
+  Args:
+    version: Vulkan version string.
+  """
+  return version[11:]
+
+
 def is_function_supported(cmd):
   """Returns true if a function is core or from a supportable extension.
 
@@ -286,7 +298,7 @@
   """
   f.write(indent(1))
   if name in extension_dict:
-    f.write('INIT_PROC_EXT(' + extension_dict[name][3:] + ', ')
+    f.write('INIT_PROC_EXT(' + base_ext_name(extension_dict[name]) + ', ')
   else:
     f.write('INIT_PROC(')
 
@@ -313,6 +325,7 @@
   extension_dict
   param_dict
   return_type_dict
+  version_code_list
   version_dict
   """
   registry = os.path.join(os.path.dirname(__file__), '..', '..', '..', '..',
@@ -385,3 +398,9 @@
           cmd_name = command.get('name')
           if cmd_name in command_list:
             version_dict[cmd_name] = apiversion
+
+  version_code_set = set()
+  for version in version_dict.values():
+    version_code_set.add(version_code(version))
+  for code in sorted(version_code_set):
+    version_code_list.append(code)