Merge "Revert "SF: Remove refresh_rate_switching flag.""
diff --git a/cmds/flatland/GLHelper.cpp b/cmds/flatland/GLHelper.cpp
index d398559..3a3df08 100644
--- a/cmds/flatland/GLHelper.cpp
+++ b/cmds/flatland/GLHelper.cpp
@@ -14,15 +14,14 @@
  * limitations under the License.
  */
 
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-
-#include <ui/DisplayInfo.h>
-#include <gui/SurfaceComposerClient.h>
-
 #include "GLHelper.h"
 
- namespace android {
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <gui/SurfaceComposerClient.h>
+#include <ui/DisplayConfig.h>
+
+namespace android {
 
 GLHelper::GLHelper() :
     mDisplay(EGL_NO_DISPLAY),
@@ -228,15 +227,15 @@
         return false;
     }
 
-    DisplayInfo info;
-    status_t err = mSurfaceComposerClient->getDisplayInfo(dpy, &info);
+    DisplayConfig config;
+    status_t err = mSurfaceComposerClient->getActiveDisplayConfig(dpy, &config);
     if (err != NO_ERROR) {
-        fprintf(stderr, "SurfaceComposer::getDisplayInfo failed: %#x\n", err);
+        fprintf(stderr, "SurfaceComposer::getActiveDisplayConfig failed: %#x\n", err);
         return false;
     }
 
-    float scaleX = float(info.w) / float(w);
-    float scaleY = float(info.h) / float(h);
+    float scaleX = static_cast<float>(config.resolution.getWidth()) / w;
+    float scaleY = static_cast<float>(config.resolution.getHeight()) / h;
     *scale = scaleX < scaleY ? scaleX : scaleY;
 
     return true;
diff --git a/libs/adbd_auth/Android.bp b/libs/adbd_auth/Android.bp
index 9cf0143..8ac044c 100644
--- a/libs/adbd_auth/Android.bp
+++ b/libs/adbd_auth/Android.bp
@@ -20,11 +20,14 @@
         "-Wthread-safety",
         "-Werror",
     ],
+    stl: "libc++_static",
+
     srcs: ["adbd_auth.cpp"],
     export_include_dirs: ["include"],
 
     version_script: "libadbd_auth.map.txt",
     stubs: {
+        versions: ["1"],
         symbol_file: "libadbd_auth.map.txt",
     },
 
@@ -36,7 +39,7 @@
         }
     },
 
-    shared_libs: [
+    static_libs: [
         "libbase",
         "libcutils",
         "liblog",
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 5ca9156..328653a 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -85,10 +85,11 @@
     sp<AidlServiceManager> mTheRealServiceManager;
 };
 
+static Mutex gDefaultServiceManagerLock;
+static sp<IServiceManager> gDefaultServiceManager;
+
 sp<IServiceManager> defaultServiceManager()
 {
-    static Mutex gDefaultServiceManagerLock;
-    static sp<IServiceManager> gDefaultServiceManager;
 
     if (gDefaultServiceManager != nullptr) return gDefaultServiceManager;
 
@@ -106,6 +107,11 @@
     return gDefaultServiceManager;
 }
 
+void setDefaultServiceManager(const sp<IServiceManager>& sm) {
+  AutoMutex _l(gDefaultServiceManagerLock);
+  gDefaultServiceManager = sm;
+}
+
 #if !defined(__ANDROID_VNDK__) && defined(__ANDROID__)
 // IPermissionController is not accessible to vendors
 
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index 2c43263..31f022d 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -100,6 +100,11 @@
 
 sp<IServiceManager> defaultServiceManager();
 
+/**
+ * Directly set the default service manager. Only used for testing.
+ */
+void setDefaultServiceManager(const sp<IServiceManager>& sm);
+
 template<typename INTERFACE>
 sp<INTERFACE> waitForService(const String16& name) {
     const sp<IServiceManager> sm = defaultServiceManager();
diff --git a/libs/fakeservicemanager/Android.bp b/libs/fakeservicemanager/Android.bp
new file mode 100644
index 0000000..de32ff4
--- /dev/null
+++ b/libs/fakeservicemanager/Android.bp
@@ -0,0 +1,25 @@
+cc_defaults {
+    name: "fakeservicemanager_defaults",
+    srcs: [
+        "ServiceManager.cpp",
+    ],
+
+    shared_libs: [
+        "libbinder",
+        "libutils",
+    ],
+}
+
+cc_library {
+    name: "libfakeservicemanager",
+    defaults: ["fakeservicemanager_defaults"],
+}
+
+cc_test_host {
+    name: "fakeservicemanager_test",
+    defaults: ["fakeservicemanager_defaults"],
+    srcs: [
+        "test_sm.cpp",
+    ],
+    static_libs: ["libgmock"],
+}
diff --git a/libs/fakeservicemanager/ServiceManager.cpp b/libs/fakeservicemanager/ServiceManager.cpp
new file mode 100644
index 0000000..6964324
--- /dev/null
+++ b/libs/fakeservicemanager/ServiceManager.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ServiceManager.h"
+
+namespace android {
+
+ServiceManager::ServiceManager() {}
+
+sp<IBinder> ServiceManager::getService( const String16& name) const {
+    // Servicemanager is single-threaded and cannot block. This method exists for legacy reasons.
+    return checkService(name);
+}
+
+sp<IBinder> ServiceManager::checkService( const String16& name) const {
+    auto it = mNameToService.find(name);
+    if (it == mNameToService.end()) {
+        return nullptr;
+    }
+    return it->second;
+}
+
+status_t ServiceManager::addService(const String16& name, const sp<IBinder>& service,
+                                bool /*allowIsolated*/,
+                                int /*dumpsysFlags*/) {
+    mNameToService[name] = service;
+    return NO_ERROR;
+}
+
+Vector<String16> ServiceManager::listServices(int /*dumpsysFlags*/) {
+    Vector<String16> services;
+    for (auto const& [name, service] : mNameToService) {
+        (void) service;
+         services.push_back(name);
+    }
+  return services;
+}
+
+IBinder* ServiceManager::onAsBinder() {
+    return nullptr;
+}
+
+sp<IBinder> ServiceManager::waitForService(const String16& name) {
+    return checkService(name);
+}
+
+bool ServiceManager::isDeclared(const String16& name) {
+    return mNameToService.find(name) != mNameToService.end();
+}
+
+}  // namespace android
diff --git a/libs/fakeservicemanager/ServiceManager.h b/libs/fakeservicemanager/ServiceManager.h
new file mode 100644
index 0000000..62311d4
--- /dev/null
+++ b/libs/fakeservicemanager/ServiceManager.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <binder/IServiceManager.h>
+
+#include <map>
+
+namespace android {
+
+/**
+ * A local host simple implementation of IServiceManager, that does not
+ * communicate over binder.
+*/
+class ServiceManager : public IServiceManager {
+public:
+    ServiceManager();
+
+    /**
+     * Equivalent of checkService.
+     */
+    sp<IBinder> getService( const String16& name) const override;
+
+    /**
+     * Retrieve an existing service, non-blocking.
+     */
+    sp<IBinder> checkService( const String16& name) const override;
+
+    /**
+     * Register a service.
+     */
+    status_t addService(const String16& name, const sp<IBinder>& service,
+                        bool allowIsolated = false,
+                        int dumpsysFlags = DUMP_FLAG_PRIORITY_DEFAULT) override;
+
+    /**
+     * Return list of all existing services.
+     */
+    Vector<String16> listServices(int dumpsysFlags = 0) override;
+
+    IBinder* onAsBinder() override;
+
+    /**
+     * Effectively no-oped in this implementation - equivalent to checkService.
+     */
+    sp<IBinder> waitForService(const String16& name) override;
+
+    /**
+     * Check if a service is declared (e.g. VINTF manifest).
+     *
+     * If this returns true, waitForService should always be able to return the
+     * service.
+     */
+     bool isDeclared(const String16& name) override;
+
+private:
+    std::map<String16, sp<IBinder>> mNameToService;
+};
+
+}  // namespace android
diff --git a/libs/fakeservicemanager/test_sm.cpp b/libs/fakeservicemanager/test_sm.cpp
new file mode 100644
index 0000000..71e5abe
--- /dev/null
+++ b/libs/fakeservicemanager/test_sm.cpp
@@ -0,0 +1,126 @@
+/*
+ * 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 <gtest/gtest.h>
+#include <gmock/gmock.h>
+
+#include <binder/Binder.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+
+#include "ServiceManager.h"
+
+using android::sp;
+using android::BBinder;
+using android::IBinder;
+using android::OK;
+using android::status_t;
+using android::ServiceManager;
+using android::String16;
+using android::IServiceManager;
+using testing::ElementsAre;
+
+static sp<IBinder> getBinder() {
+    class LinkableBinder : public BBinder {
+        status_t linkToDeath(const sp<DeathRecipient>&, void*, uint32_t) override {
+            // let SM linkToDeath
+            return OK;
+        }
+    };
+
+    return new LinkableBinder;
+}
+
+TEST(AddService, HappyHappy) {
+    auto sm = new ServiceManager();
+    EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+}
+
+TEST(AddService, HappyOverExistingService) {
+    auto sm = new ServiceManager();
+    EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+    EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+}
+
+TEST(GetService, HappyHappy) {
+    auto sm = new ServiceManager();
+    sp<IBinder> service = getBinder();
+
+    EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+    EXPECT_EQ(sm->getService(String16("foo")), service);
+}
+
+TEST(GetService, NonExistant) {
+    auto sm = new ServiceManager();
+
+    EXPECT_EQ(sm->getService(String16("foo")), nullptr);
+}
+
+TEST(ListServices, AllServices) {
+    auto sm = new ServiceManager();
+
+    EXPECT_EQ(sm->addService(String16("sd"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+    EXPECT_EQ(sm->addService(String16("sc"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_NORMAL), OK);
+    EXPECT_EQ(sm->addService(String16("sb"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_HIGH), OK);
+    EXPECT_EQ(sm->addService(String16("sa"), getBinder(), false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL), OK);
+
+    android::Vector<String16> out = sm->listServices(IServiceManager::DUMP_FLAG_PRIORITY_ALL);
+
+    // all there and in the right order
+    EXPECT_THAT(out, ElementsAre(String16("sa"), String16("sb"), String16("sc"),
+        String16("sd")));
+}
+
+TEST(WaitForService, NonExistant) {
+    auto sm = new ServiceManager();
+
+    EXPECT_EQ(sm->waitForService(String16("foo")), nullptr);
+}
+
+TEST(WaitForService, HappyHappy) {
+    auto sm = new ServiceManager();
+    sp<IBinder> service = getBinder();
+
+    EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+    EXPECT_EQ(sm->waitForService(String16("foo")), service);
+}
+
+TEST(IsDeclared, NonExistant) {
+    auto sm = new ServiceManager();
+
+    EXPECT_FALSE(sm->isDeclared(String16("foo")));
+}
+
+TEST(IsDeclared, HappyHappy) {
+    auto sm = new ServiceManager();
+    sp<IBinder> service = getBinder();
+
+    EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+    EXPECT_TRUE(sm->isDeclared(String16("foo")));
+}
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 073543c..2f27fd2 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -34,8 +34,10 @@
 
 #include <system/graphics.h>
 
+#include <ui/DisplayConfig.h>
 #include <ui/DisplayInfo.h>
 #include <ui/DisplayStatInfo.h>
+#include <ui/DisplayState.h>
 #include <ui/HdrCapabilities.h>
 
 #include <utils/Log.h>
@@ -351,22 +353,43 @@
         remote()->transact(BnSurfaceComposer::SET_POWER_MODE, data, &reply);
     }
 
-    virtual status_t getDisplayConfigs(const sp<IBinder>& display,
-            Vector<DisplayInfo>* configs)
-    {
+    virtual status_t getDisplayState(const sp<IBinder>& display, ui::DisplayState* state) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        data.writeStrongBinder(display);
+        remote()->transact(BnSurfaceComposer::GET_DISPLAY_STATE, data, &reply);
+        const status_t result = reply.readInt32();
+        if (result == NO_ERROR) {
+            memcpy(state, reply.readInplace(sizeof(ui::DisplayState)), sizeof(ui::DisplayState));
+        }
+        return result;
+    }
+
+    virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        data.writeStrongBinder(display);
+        remote()->transact(BnSurfaceComposer::GET_DISPLAY_INFO, data, &reply);
+        const status_t result = reply.readInt32();
+        if (result == NO_ERROR) {
+            memcpy(info, reply.readInplace(sizeof(DisplayInfo)), sizeof(DisplayInfo));
+        }
+        return result;
+    }
+
+    virtual status_t getDisplayConfigs(const sp<IBinder>& display, Vector<DisplayConfig>* configs) {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
         data.writeStrongBinder(display);
         remote()->transact(BnSurfaceComposer::GET_DISPLAY_CONFIGS, data, &reply);
-        status_t result = reply.readInt32();
+        const status_t result = reply.readInt32();
         if (result == NO_ERROR) {
-            size_t numConfigs = reply.readUint32();
+            const size_t numConfigs = reply.readUint32();
             configs->clear();
             configs->resize(numConfigs);
             for (size_t c = 0; c < numConfigs; ++c) {
-                memcpy(&(configs->editItemAt(c)),
-                        reply.readInplace(sizeof(DisplayInfo)),
-                        sizeof(DisplayInfo));
+                memcpy(&(configs->editItemAt(c)), reply.readInplace(sizeof(DisplayConfig)),
+                       sizeof(DisplayConfig));
             }
         }
         return result;
@@ -1297,17 +1320,40 @@
             reply->writeStrongBinder(display);
             return NO_ERROR;
         }
+        case GET_DISPLAY_STATE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            ui::DisplayState state;
+            const sp<IBinder> display = data.readStrongBinder();
+            const status_t result = getDisplayState(display, &state);
+            reply->writeInt32(result);
+            if (result == NO_ERROR) {
+                memcpy(reply->writeInplace(sizeof(ui::DisplayState)), &state,
+                       sizeof(ui::DisplayState));
+            }
+            return NO_ERROR;
+        }
+        case GET_DISPLAY_INFO: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            DisplayInfo info;
+            const sp<IBinder> display = data.readStrongBinder();
+            const status_t result = getDisplayInfo(display, &info);
+            reply->writeInt32(result);
+            if (result == NO_ERROR) {
+                memcpy(reply->writeInplace(sizeof(DisplayInfo)), &info, sizeof(DisplayInfo));
+            }
+            return NO_ERROR;
+        }
         case GET_DISPLAY_CONFIGS: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            Vector<DisplayInfo> configs;
-            sp<IBinder> display = data.readStrongBinder();
-            status_t result = getDisplayConfigs(display, &configs);
+            Vector<DisplayConfig> configs;
+            const sp<IBinder> display = data.readStrongBinder();
+            const status_t result = getDisplayConfigs(display, &configs);
             reply->writeInt32(result);
             if (result == NO_ERROR) {
                 reply->writeUint32(static_cast<uint32_t>(configs.size()));
                 for (size_t c = 0; c < configs.size(); ++c) {
-                    memcpy(reply->writeInplace(sizeof(DisplayInfo)),
-                            &configs[c], sizeof(DisplayInfo));
+                    memcpy(reply->writeInplace(sizeof(DisplayConfig)), &configs[c],
+                           sizeof(DisplayConfig));
                 }
             }
             return NO_ERROR;
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index d5cf11d..23532e7 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -50,6 +50,17 @@
 using ui::ColorMode;
 using ui::Dataspace;
 
+namespace {
+
+bool isInterceptorRegistrationOp(int op) {
+    return op == NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR ||
+            op == NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR ||
+            op == NATIVE_WINDOW_SET_PERFORM_INTERCEPTOR ||
+            op == NATIVE_WINDOW_SET_QUEUE_INTERCEPTOR;
+}
+
+} // namespace
+
 Surface::Surface(const sp<IGraphicBufferProducer>& bufferProducer, bool controlledByApp)
       : mGraphicBufferProducer(bufferProducer),
         mCrop(Rect::EMPTY_RECT),
@@ -366,18 +377,58 @@
 int Surface::hook_dequeueBuffer(ANativeWindow* window,
         ANativeWindowBuffer** buffer, int* fenceFd) {
     Surface* c = getSelf(window);
+    {
+        std::shared_lock<std::shared_mutex> lock(c->mInterceptorMutex);
+        if (c->mDequeueInterceptor != nullptr) {
+            auto interceptor = c->mDequeueInterceptor;
+            auto data = c->mDequeueInterceptorData;
+            return interceptor(window, Surface::dequeueBufferInternal, data, buffer, fenceFd);
+        }
+    }
+    return c->dequeueBuffer(buffer, fenceFd);
+}
+
+int Surface::dequeueBufferInternal(ANativeWindow* window, ANativeWindowBuffer** buffer,
+                                   int* fenceFd) {
+    Surface* c = getSelf(window);
     return c->dequeueBuffer(buffer, fenceFd);
 }
 
 int Surface::hook_cancelBuffer(ANativeWindow* window,
         ANativeWindowBuffer* buffer, int fenceFd) {
     Surface* c = getSelf(window);
+    {
+        std::shared_lock<std::shared_mutex> lock(c->mInterceptorMutex);
+        if (c->mCancelInterceptor != nullptr) {
+            auto interceptor = c->mCancelInterceptor;
+            auto data = c->mCancelInterceptorData;
+            return interceptor(window, Surface::cancelBufferInternal, data, buffer, fenceFd);
+        }
+    }
+    return c->cancelBuffer(buffer, fenceFd);
+}
+
+int Surface::cancelBufferInternal(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) {
+    Surface* c = getSelf(window);
     return c->cancelBuffer(buffer, fenceFd);
 }
 
 int Surface::hook_queueBuffer(ANativeWindow* window,
         ANativeWindowBuffer* buffer, int fenceFd) {
     Surface* c = getSelf(window);
+    {
+        std::shared_lock<std::shared_mutex> lock(c->mInterceptorMutex);
+        if (c->mQueueInterceptor != nullptr) {
+            auto interceptor = c->mQueueInterceptor;
+            auto data = c->mQueueInterceptorData;
+            return interceptor(window, Surface::queueBufferInternal, data, buffer, fenceFd);
+        }
+    }
+    return c->queueBuffer(buffer, fenceFd);
+}
+
+int Surface::queueBufferInternal(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) {
+    Surface* c = getSelf(window);
     return c->queueBuffer(buffer, fenceFd);
 }
 
@@ -420,21 +471,38 @@
     return c->queueBuffer(buffer, -1);
 }
 
-int Surface::hook_query(const ANativeWindow* window,
-                                int what, int* value) {
-    const Surface* c = getSelf(window);
-    return c->query(what, value);
-}
-
 int Surface::hook_perform(ANativeWindow* window, int operation, ...) {
     va_list args;
     va_start(args, operation);
     Surface* c = getSelf(window);
-    int result = c->perform(operation, args);
+    int result;
+    // Don't acquire shared ownership of the interceptor mutex if we're going to
+    // do interceptor registration, as otherwise we'll deadlock on acquiring
+    // exclusive ownership.
+    if (!isInterceptorRegistrationOp(operation)) {
+        std::shared_lock<std::shared_mutex> lock(c->mInterceptorMutex);
+        if (c->mPerformInterceptor != nullptr) {
+            result = c->mPerformInterceptor(window, Surface::performInternal,
+                                            c->mPerformInterceptorData, operation, args);
+            va_end(args);
+            return result;
+        }
+    }
+    result = c->perform(operation, args);
     va_end(args);
     return result;
 }
 
+int Surface::performInternal(ANativeWindow* window, int operation, va_list args) {
+    Surface* c = getSelf(window);
+    return c->perform(operation, args);
+}
+
+int Surface::hook_query(const ANativeWindow* window, int what, int* value) {
+    const Surface* c = getSelf(window);
+    return c->query(what, value);
+}
+
 int Surface::setSwapInterval(int interval) {
     ATRACE_CALL();
     // EGL specification states:
@@ -1096,6 +1164,22 @@
     case NATIVE_WINDOW_SET_FRAME_RATE:
         res = dispatchSetFrameRate(args);
         break;
+    case NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR:
+        res = dispatchAddCancelInterceptor(args);
+        break;
+    case NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR:
+        res = dispatchAddDequeueInterceptor(args);
+        break;
+    case NATIVE_WINDOW_SET_PERFORM_INTERCEPTOR:
+        res = dispatchAddPerformInterceptor(args);
+        break;
+    case NATIVE_WINDOW_SET_QUEUE_INTERCEPTOR:
+        res = dispatchAddQueueInterceptor(args);
+        break;
+    case NATIVE_WINDOW_ALLOCATE_BUFFERS:
+        allocateBuffers();
+        res = NO_ERROR;
+        break;
     default:
         res = NAME_NOT_FOUND;
         break;
@@ -1329,6 +1413,45 @@
     return setFrameRate(frameRate);
 }
 
+int Surface::dispatchAddCancelInterceptor(va_list args) {
+    ANativeWindow_cancelBufferInterceptor interceptor =
+            va_arg(args, ANativeWindow_cancelBufferInterceptor);
+    void* data = va_arg(args, void*);
+    std::lock_guard<std::shared_mutex> lock(mInterceptorMutex);
+    mCancelInterceptor = interceptor;
+    mCancelInterceptorData = data;
+    return NO_ERROR;
+}
+
+int Surface::dispatchAddDequeueInterceptor(va_list args) {
+    ANativeWindow_dequeueBufferInterceptor interceptor =
+            va_arg(args, ANativeWindow_dequeueBufferInterceptor);
+    void* data = va_arg(args, void*);
+    std::lock_guard<std::shared_mutex> lock(mInterceptorMutex);
+    mDequeueInterceptor = interceptor;
+    mDequeueInterceptorData = data;
+    return NO_ERROR;
+}
+
+int Surface::dispatchAddPerformInterceptor(va_list args) {
+    ANativeWindow_performInterceptor interceptor = va_arg(args, ANativeWindow_performInterceptor);
+    void* data = va_arg(args, void*);
+    std::lock_guard<std::shared_mutex> lock(mInterceptorMutex);
+    mPerformInterceptor = interceptor;
+    mPerformInterceptorData = data;
+    return NO_ERROR;
+}
+
+int Surface::dispatchAddQueueInterceptor(va_list args) {
+    ANativeWindow_queueBufferInterceptor interceptor =
+            va_arg(args, ANativeWindow_queueBufferInterceptor);
+    void* data = va_arg(args, void*);
+    std::lock_guard<std::shared_mutex> lock(mInterceptorMutex);
+    mQueueInterceptor = interceptor;
+    mQueueInterceptorData = data;
+    return NO_ERROR;
+}
+
 bool Surface::transformToDisplayInverse() {
     return (mTransform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY) ==
             NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 63dc333..43bccf6 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -31,8 +31,6 @@
 
 #include <system/graphics.h>
 
-#include <ui/DisplayInfo.h>
-
 #include <gui/BufferItemConsumer.h>
 #include <gui/CpuConsumer.h>
 #include <gui/IGraphicBufferProducer.h>
@@ -41,6 +39,7 @@
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
+#include <ui/DisplayConfig.h>
 
 #ifndef NO_INPUT
 #include <input/InputWindow.h>
@@ -1623,15 +1622,23 @@
     return sf->injectVSync(when);
 }
 
-status_t SurfaceComposerClient::getDisplayConfigs(
-        const sp<IBinder>& display, Vector<DisplayInfo>* configs)
-{
+status_t SurfaceComposerClient::getDisplayState(const sp<IBinder>& display,
+                                                ui::DisplayState* state) {
+    return ComposerService::getComposerService()->getDisplayState(display, state);
+}
+
+status_t SurfaceComposerClient::getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info) {
+    return ComposerService::getComposerService()->getDisplayInfo(display, info);
+}
+
+status_t SurfaceComposerClient::getDisplayConfigs(const sp<IBinder>& display,
+                                                  Vector<DisplayConfig>* configs) {
     return ComposerService::getComposerService()->getDisplayConfigs(display, configs);
 }
 
-status_t SurfaceComposerClient::getDisplayInfo(const sp<IBinder>& display,
-        DisplayInfo* info) {
-    Vector<DisplayInfo> configs;
+status_t SurfaceComposerClient::getActiveDisplayConfig(const sp<IBinder>& display,
+                                                       DisplayConfig* config) {
+    Vector<DisplayConfig> configs;
     status_t result = getDisplayConfigs(display, &configs);
     if (result != NO_ERROR) {
         return result;
@@ -1643,7 +1650,7 @@
         return NAME_NOT_FOUND;
     }
 
-    *info = configs[static_cast<size_t>(activeId)];
+    *config = configs[static_cast<size_t>(activeId)];
     return NO_ERROR;
 }
 
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 46c9f3a..e860f61 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_GUI_ISURFACE_COMPOSER_H
-#define ANDROID_GUI_ISURFACE_COMPOSER_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -46,13 +45,13 @@
 #include <vector>
 
 namespace android {
-// ----------------------------------------------------------------------------
 
 struct client_cache_t;
 struct ComposerState;
-struct DisplayState;
+struct DisplayConfig;
 struct DisplayInfo;
 struct DisplayStatInfo;
+struct DisplayState;
 struct InputWindowCommands;
 class LayerDebugInfo;
 class HdrCapabilities;
@@ -63,6 +62,12 @@
 class Rect;
 enum class FrameEvent;
 
+namespace ui {
+
+struct DisplayState;
+
+} // namespace ui
+
 /*
  * This class defines the Binder IPC interface for accessing various
  * SurfaceFlinger features.
@@ -161,10 +166,6 @@
      */
     virtual void setPowerMode(const sp<IBinder>& display, int mode) = 0;
 
-    /* returns information for each configuration of the given display
-     * intended to be used to get information about built-in displays */
-    virtual status_t getDisplayConfigs(const sp<IBinder>& display,
-            Vector<DisplayInfo>* configs) = 0;
 
     /* returns display statistics for a given display
      * intended to be used by the media framework to properly schedule
@@ -172,8 +173,25 @@
     virtual status_t getDisplayStats(const sp<IBinder>& display,
             DisplayStatInfo* stats) = 0;
 
-    /* indicates which of the configurations returned by getDisplayInfo is
-     * currently active */
+    /**
+     * Get transactional state of given display.
+     */
+    virtual status_t getDisplayState(const sp<IBinder>& display, ui::DisplayState*) = 0;
+
+    /**
+     * Get immutable information about given physical display.
+     */
+    virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo*) = 0;
+
+    /**
+     * Get configurations supported by given physical display.
+     */
+    virtual status_t getDisplayConfigs(const sp<IBinder>& display, Vector<DisplayConfig>*) = 0;
+
+    /**
+     * Get the index into configurations returned by getDisplayConfigs,
+     * corresponding to the active configuration.
+     */
     virtual int getActiveConfig(const sp<IBinder>& display) = 0;
 
     virtual status_t getDisplayColorModes(const sp<IBinder>& display,
@@ -493,7 +511,7 @@
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
         CREATE_CONNECTION,
-        CREATE_GRAPHIC_BUFFER_ALLOC_UNUSED, // unused, fails permissions check
+        GET_DISPLAY_INFO,
         CREATE_DISPLAY_EVENT_CONNECTION,
         CREATE_DISPLAY,
         DESTROY_DISPLAY,
@@ -503,7 +521,7 @@
         GET_SUPPORTED_FRAME_TIMESTAMPS,
         GET_DISPLAY_CONFIGS,
         GET_ACTIVE_CONFIG,
-        CONNECT_DISPLAY_UNUSED, // unused, fails permissions check
+        GET_DISPLAY_STATE,
         CAPTURE_SCREEN,
         CAPTURE_LAYERS,
         CLEAR_ANIMATION_FRAME_STATS,
@@ -546,8 +564,4 @@
             Parcel* reply, uint32_t flags = 0);
 };
 
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_GUI_ISURFACE_COMPOSER_H
+} // namespace android
diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h
index 86cc61f..0139507 100644
--- a/libs/gui/include/gui/Surface.h
+++ b/libs/gui/include/gui/Surface.h
@@ -21,16 +21,15 @@
 #include <gui/HdrMetadata.h>
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/IProducerListener.h>
-
+#include <system/window.h>
 #include <ui/ANativeObjectBase.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Region.h>
-
 #include <utils/Condition.h>
 #include <utils/Mutex.h>
 #include <utils/RefBase.h>
 
-#include <system/window.h>
+#include <shared_mutex>
 
 namespace android {
 
@@ -205,6 +204,13 @@
             ANativeWindowBuffer* buffer, int fenceFd);
     static int hook_setSwapInterval(ANativeWindow* window, int interval);
 
+    static int cancelBufferInternal(ANativeWindow* window, ANativeWindowBuffer* buffer,
+                                    int fenceFd);
+    static int dequeueBufferInternal(ANativeWindow* window, ANativeWindowBuffer** buffer,
+                                     int* fenceFd);
+    static int performInternal(ANativeWindow* window, int operation, va_list args);
+    static int queueBufferInternal(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd);
+
     static int hook_cancelBuffer_DEPRECATED(ANativeWindow* window,
             ANativeWindowBuffer* buffer);
     static int hook_dequeueBuffer_DEPRECATED(ANativeWindow* window,
@@ -252,6 +258,10 @@
     int dispatchGetLastDequeueDuration(va_list args);
     int dispatchGetLastQueueDuration(va_list args);
     int dispatchSetFrameRate(va_list args);
+    int dispatchAddCancelInterceptor(va_list args);
+    int dispatchAddDequeueInterceptor(va_list args);
+    int dispatchAddPerformInterceptor(va_list args);
+    int dispatchAddQueueInterceptor(va_list args);
     bool transformToDisplayInverse();
 
 protected:
@@ -457,6 +467,18 @@
     // member variables are accessed.
     mutable Mutex mMutex;
 
+    // mInterceptorMutex is the mutex guarding interceptors.
+    std::shared_mutex mInterceptorMutex;
+
+    ANativeWindow_cancelBufferInterceptor mCancelInterceptor = nullptr;
+    void* mCancelInterceptorData = nullptr;
+    ANativeWindow_dequeueBufferInterceptor mDequeueInterceptor = nullptr;
+    void* mDequeueInterceptorData = nullptr;
+    ANativeWindow_performInterceptor mPerformInterceptor = nullptr;
+    void* mPerformInterceptorData = nullptr;
+    ANativeWindow_queueBufferInterceptor mQueueInterceptor = nullptr;
+    void* mQueueInterceptorData = nullptr;
+
     // must be used from the lock/unlock thread
     sp<GraphicBuffer>           mLockedBuffer;
     sp<GraphicBuffer>           mPostedBuffer;
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 08e6a5a..6eec2b7 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
-#define ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
+#pragma once
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -46,17 +45,12 @@
 
 namespace android {
 
-// ---------------------------------------------------------------------------
-
-struct DisplayInfo;
 class HdrCapabilities;
 class ISurfaceComposerClient;
 class IGraphicBufferProducer;
 class IRegionSamplingListener;
 class Region;
 
-// ---------------------------------------------------------------------------
-
 struct SurfaceControlStats {
     SurfaceControlStats(const sp<SurfaceControl>& sc, nsecs_t time,
                         const sp<Fence>& prevReleaseFence, uint32_t hint)
@@ -102,18 +96,21 @@
     status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
             void* cookie = nullptr, uint32_t flags = 0);
 
-    // Get a list of supported configurations for a given display
-    static status_t getDisplayConfigs(const sp<IBinder>& display,
-            Vector<DisplayInfo>* configs);
+    // Get transactional state of given display.
+    static status_t getDisplayState(const sp<IBinder>& display, ui::DisplayState*);
 
-    // Get the DisplayInfo for the currently-active configuration
-    static status_t getDisplayInfo(const sp<IBinder>& display,
-            DisplayInfo* info);
+    // Get immutable information about given physical display.
+    static status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo*);
 
-    // Get the index of the current active configuration (relative to the list
-    // returned by getDisplayInfo)
+    // Get configurations supported by given physical display.
+    static status_t getDisplayConfigs(const sp<IBinder>& display, Vector<DisplayConfig>*);
+
+    // Get the ID of the active DisplayConfig, as getDisplayConfigs index.
     static int getActiveConfig(const sp<IBinder>& display);
 
+    // Shorthand for getDisplayConfigs element at getActiveConfig index.
+    static status_t getActiveDisplayConfig(const sp<IBinder>& display, DisplayConfig*);
+
     // Sets the refresh rate boundaries for display configuration.
     // For all other parameters, default configuration is used. The index for the default is
     // corresponting to the configs returned from getDisplayConfigs().
@@ -644,8 +641,4 @@
     void onTransactionCompleted(ListenerStats stats) override;
 };
 
-// ---------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
+} // namespace android
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index 41f0d40..a273914 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -25,7 +25,7 @@
 #include <gui/IProducerListener.h>
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 #include <ui/GraphicBuffer.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Transform.h>
@@ -103,10 +103,11 @@
         t.apply();
         t.clear();
 
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mDisplayToken, &info));
-        mDisplayWidth = info.w;
-        mDisplayHeight = info.h;
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(mDisplayToken, &config));
+        const ui::Size& resolution = config.resolution;
+        mDisplayWidth = resolution.getWidth();
+        mDisplayHeight = resolution.getHeight();
 
         mSurfaceControl = mClient->createSurface(String8("TestSurface"), mDisplayWidth,
                                                  mDisplayHeight, PIXEL_FORMAT_RGBA_8888,
@@ -114,7 +115,7 @@
                                                  /*parent*/ nullptr);
         t.setLayerStack(mSurfaceControl, 0)
                 .setLayer(mSurfaceControl, std::numeric_limits<int32_t>::max())
-                .setFrame(mSurfaceControl, Rect(0, 0, mDisplayWidth, mDisplayHeight))
+                .setFrame(mSurfaceControl, Rect(resolution))
                 .show(mSurfaceControl)
                 .setDataspace(mSurfaceControl, ui::Dataspace::V0_SRGB)
                 .apply();
diff --git a/libs/gui/tests/EndToEndNativeInputTest.cpp b/libs/gui/tests/EndToEndNativeInputTest.cpp
index 04749e6..1a623e2 100644
--- a/libs/gui/tests/EndToEndNativeInputTest.cpp
+++ b/libs/gui/tests/EndToEndNativeInputTest.cpp
@@ -41,7 +41,7 @@
 #include <input/InputTransport.h>
 #include <input/Input.h>
 
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
 
@@ -223,13 +223,13 @@
         const auto display = mComposerClient->getInternalDisplayToken();
         ASSERT_NE(display, nullptr);
 
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, mComposerClient->getDisplayInfo(display, &info));
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, mComposerClient->getActiveDisplayConfig(display, &config));
 
         // After a new buffer is queued, SurfaceFlinger is notified and will
         // latch the new buffer on next vsync.  Let's heuristically wait for 3
         // vsyncs.
-        mBufferPostDelay = int32_t(1e6 / info.fps) * 3;
+        mBufferPostDelay = static_cast<int32_t>(1e6 / config.refreshRate) * 3;
     }
 
     void TearDown() {
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 25c032f..70fd888 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -718,8 +718,15 @@
     }
 
     void setPowerMode(const sp<IBinder>& /*display*/, int /*mode*/) override {}
-    status_t getDisplayConfigs(const sp<IBinder>& /*display*/,
-            Vector<DisplayInfo>* /*configs*/) override { return NO_ERROR; }
+    status_t getDisplayInfo(const sp<IBinder>& /*display*/, DisplayInfo*) override {
+        return NO_ERROR;
+    }
+    status_t getDisplayConfigs(const sp<IBinder>& /*display*/, Vector<DisplayConfig>*) override {
+        return NO_ERROR;
+    }
+    status_t getDisplayState(const sp<IBinder>& /*display*/, ui::DisplayState*) override {
+        return NO_ERROR;
+    }
     status_t getDisplayStats(const sp<IBinder>& /*display*/,
             DisplayStatInfo* /*stats*/) override { return NO_ERROR; }
     int getActiveConfig(const sp<IBinder>& /*display*/) override { return 0; }
diff --git a/libs/nativedisplay/ADisplay.cpp b/libs/nativedisplay/ADisplay.cpp
index 1e25049..277635c 100644
--- a/libs/nativedisplay/ADisplay.cpp
+++ b/libs/nativedisplay/ADisplay.cpp
@@ -16,6 +16,7 @@
 
 #include <apex/display.h>
 #include <gui/SurfaceComposerClient.h>
+#include <ui/DisplayConfig.h>
 #include <ui/DisplayInfo.h>
 #include <ui/GraphicTypes.h>
 #include <ui/PixelFormat.h>
@@ -116,17 +117,12 @@
     LOG_ALWAYS_FATAL_IF(name == nullptr, "nullptr passed as " #name " argument");
 
 namespace {
+
 sp<IBinder> getToken(ADisplay* display) {
     DisplayImpl* impl = reinterpret_cast<DisplayImpl*>(display);
     return SurfaceComposerClient::getPhysicalDisplayToken(impl->id);
 }
 
-int64_t computeSfOffset(const DisplayInfo& info) {
-    // This should probably be part of the config instead of extrapolated from
-    // the presentation deadline and fudged here, but the way the math works out
-    // here we do get the right offset.
-    return static_cast<int64_t>((1000000000 / info.fps) - info.presentationDeadline + 1000000);
-}
 } // namespace
 
 namespace android {
@@ -142,9 +138,16 @@
     int numConfigs = 0;
     for (int i = 0; i < size; ++i) {
         const sp<IBinder> token = SurfaceComposerClient::getPhysicalDisplayToken(ids[i]);
-        Vector<DisplayInfo> configs;
-        const status_t status = SurfaceComposerClient::getDisplayConfigs(token, &configs);
-        if (status != OK) {
+
+        DisplayInfo info;
+        if (const status_t status = SurfaceComposerClient::getDisplayInfo(token, &info);
+            status != OK) {
+            return status;
+        }
+
+        Vector<DisplayConfig> configs;
+        if (const status_t status = SurfaceComposerClient::getDisplayConfigs(token, &configs);
+            status != OK) {
             return status;
         }
         if (configs.empty()) {
@@ -154,11 +157,11 @@
         numConfigs += configs.size();
         configsPerDisplay[i].reserve(configs.size());
         for (int j = 0; j < configs.size(); ++j) {
-            const DisplayInfo config = configs[j];
+            const DisplayConfig& config = configs[j];
             configsPerDisplay[i].emplace_back(
-                    DisplayConfigImpl{static_cast<int32_t>(config.w),
-                                      static_cast<int32_t>(config.h), config.density, config.fps,
-                                      computeSfOffset(config), config.appVsyncOffset});
+                    DisplayConfigImpl{config.resolution.getWidth(), config.resolution.getHeight(),
+                                      info.density, config.refreshRate, config.sfVsyncOffset,
+                                      config.appVsyncOffset});
         }
     }
 
diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index a60bc4d..a1c9eb8 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -304,3 +304,34 @@
 int ANativeWindow_setDequeueTimeout(ANativeWindow* window, int64_t timeout) {
     return window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT, timeout);
 }
+
+int ANativeWindow_setCancelBufferInterceptor(ANativeWindow* window,
+                                             ANativeWindow_cancelBufferInterceptor interceptor,
+                                             void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setDequeueBufferInterceptor(ANativeWindow* window,
+                                              ANativeWindow_dequeueBufferInterceptor interceptor,
+                                              void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setPerformInterceptor(ANativeWindow* window,
+                                        ANativeWindow_performInterceptor interceptor, void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_PERFORM_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setQueueBufferInterceptor(ANativeWindow* window,
+                                            ANativeWindow_queueBufferInterceptor interceptor,
+                                            void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_QUEUE_INTERCEPTOR, interceptor, data);
+}
+
+void ANativeWindow_allocateBuffers(ANativeWindow* window) {
+    window->perform(window, NATIVE_WINDOW_ALLOCATE_BUFFERS);
+}
+
+int64_t ANativeWindow_getNextFrameId(ANativeWindow* window) {
+    return query64(window, NATIVE_WINDOW_GET_NEXT_FRAME_ID);
+}
diff --git a/libs/nativewindow/include/apex/window.h b/libs/nativewindow/include/apex/window.h
index 869b22e..02b886c 100644
--- a/libs/nativewindow/include/apex/window.h
+++ b/libs/nativewindow/include/apex/window.h
@@ -17,12 +17,159 @@
 #pragma once
 
 #include <nativebase/nativebase.h>
+#include <stdarg.h>
 
 // apex is a superset of the NDK
 #include <android/native_window.h>
 
 __BEGIN_DECLS
 
+/*
+ * perform bits that can be used with ANativeWindow_perform()
+ *
+ * This is only to support the intercepting methods below - these should notbe
+ * used directly otherwise.
+ */
+enum ANativeWindowPerform {
+    // clang-format off
+    ANATIVEWINDOW_PERFORM_SET_USAGE            = 0,
+    ANATIVEWINDOW_PERFORM_SET_BUFFERS_GEOMETRY = 5,
+    ANATIVEWINDOW_PERFORM_SET_BUFFERS_FORMAT   = 9,
+    ANATIVEWINDOW_PERFORM_SET_USAGE64          = 30,
+    // clang-format on
+};
+
+/**
+ * Prototype of the function that an ANativeWindow implementation would call
+ * when ANativeWindow_cancelBuffer is called.
+ */
+typedef int (*ANativeWindow_cancelBufferFn)(ANativeWindow* window, ANativeWindowBuffer* buffer,
+                                            int fenceFd);
+
+/**
+ * Prototype of the function that intercepts an invocation of
+ * ANativeWindow_cancelBufferFn, along with a data pointer that's passed by the
+ * caller who set the interceptor, as well as arguments that would be
+ * passed to ANativeWindow_cancelBufferFn if it were to be called.
+ */
+typedef int (*ANativeWindow_cancelBufferInterceptor)(ANativeWindow* window,
+                                                     ANativeWindow_cancelBufferFn cancelBuffer,
+                                                     void* data, ANativeWindowBuffer* buffer,
+                                                     int fenceFd);
+
+/**
+ * Prototype of the function that an ANativeWindow implementation would call
+ * when ANativeWindow_dequeueBuffer is called.
+ */
+typedef int (*ANativeWindow_dequeueBufferFn)(ANativeWindow* window, ANativeWindowBuffer** buffer,
+                                             int* fenceFd);
+
+/**
+ * Prototype of the function that intercepts an invocation of
+ * ANativeWindow_dequeueBufferFn, along with a data pointer that's passed by the
+ * caller who set the interceptor, as well as arguments that would be
+ * passed to ANativeWindow_dequeueBufferFn if it were to be called.
+ */
+typedef int (*ANativeWindow_dequeueBufferInterceptor)(ANativeWindow* window,
+                                                      ANativeWindow_dequeueBufferFn dequeueBuffer,
+                                                      void* data, ANativeWindowBuffer** buffer,
+                                                      int* fenceFd);
+
+/**
+ * Prototype of the function that an ANativeWindow implementation would call
+ * when ANativeWindow_perform is called.
+ */
+typedef int (*ANativeWindow_performFn)(ANativeWindow* window, int operation, va_list args);
+
+/**
+ * Prototype of the function that intercepts an invocation of
+ * ANativeWindow_performFn, along with a data pointer that's passed by the
+ * caller who set the interceptor, as well as arguments that would be
+ * passed to ANativeWindow_performFn if it were to be called.
+ */
+typedef int (*ANativeWindow_performInterceptor)(ANativeWindow* window,
+                                                ANativeWindow_performFn perform, void* data,
+                                                int operation, va_list args);
+
+/**
+ * Prototype of the function that an ANativeWindow implementation would call
+ * when ANativeWindow_queueBuffer is called.
+ */
+typedef int (*ANativeWindow_queueBufferFn)(ANativeWindow* window, ANativeWindowBuffer* buffer,
+                                           int fenceFd);
+
+/**
+ * Prototype of the function that intercepts an invocation of
+ * ANativeWindow_queueBufferFn, along with a data pointer that's passed by the
+ * caller who set the interceptor, as well as arguments that would be
+ * passed to ANativeWindow_queueBufferFn if it were to be called.
+ */
+typedef int (*ANativeWindow_queueBufferInterceptor)(ANativeWindow* window,
+                                                    ANativeWindow_queueBufferFn queueBuffer,
+                                                    void* data, ANativeWindowBuffer* buffer,
+                                                    int fenceFd);
+
+/**
+ * Registers an interceptor for ANativeWindow_cancelBuffer. Instead of calling
+ * the underlying cancelBuffer function, instead the provided interceptor is
+ * called, which may optionally call the underlying cancelBuffer function. An
+ * optional data pointer is also provided to side-channel additional arguments.
+ *
+ * Note that usage of this should only be used for specialized use-cases by
+ * either the system partition or to Mainline modules. This should never be
+ * exposed to NDK or LL-NDK.
+ *
+ * Returns NO_ERROR on success, -errno if registration failed.
+ */
+int ANativeWindow_setCancelBufferInterceptor(ANativeWindow* window,
+                                             ANativeWindow_cancelBufferInterceptor interceptor,
+                                             void* data);
+
+/**
+ * Registers an interceptor for ANativeWindow_dequeueBuffer. Instead of calling
+ * the underlying dequeueBuffer function, instead the provided interceptor is
+ * called, which may optionally call the underlying dequeueBuffer function. An
+ * optional data pointer is also provided to side-channel additional arguments.
+ *
+ * Note that usage of this should only be used for specialized use-cases by
+ * either the system partition or to Mainline modules. This should never be
+ * exposed to NDK or LL-NDK.
+ *
+ * Returns NO_ERROR on success, -errno if registration failed.
+ */
+int ANativeWindow_setDequeueBufferInterceptor(ANativeWindow* window,
+                                              ANativeWindow_dequeueBufferInterceptor interceptor,
+                                              void* data);
+/**
+ * Registers an interceptor for ANativeWindow_perform. Instead of calling
+ * the underlying perform function, instead the provided interceptor is
+ * called, which may optionally call the underlying perform function. An
+ * optional data pointer is also provided to side-channel additional arguments.
+ *
+ * Note that usage of this should only be used for specialized use-cases by
+ * either the system partition or to Mainline modules. This should never be
+ * exposed to NDK or LL-NDK.
+ *
+ * Returns NO_ERROR on success, -errno if registration failed.
+ */
+int ANativeWindow_setPerformInterceptor(ANativeWindow* window,
+                                        ANativeWindow_performInterceptor interceptor, void* data);
+/**
+ * Registers an interceptor for ANativeWindow_queueBuffer. Instead of calling
+ * the underlying queueBuffer function, instead the provided interceptor is
+ * called, which may optionally call the underlying queueBuffer function. An
+ * optional data pointer is also provided to side-channel additional arguments.
+ *
+ * Note that usage of this should only be used for specialized use-cases by
+ * either the system partition or to Mainline modules. This should never be
+ * exposed to NDK or LL-NDK.
+ *
+ * Returns NO_ERROR on success, -errno if registration failed.
+ */
+int ANativeWindow_setQueueBufferInterceptor(ANativeWindow* window,
+                                            ANativeWindow_queueBufferInterceptor interceptor,
+                                            void* data);
+
 /**
  * Retrieves how long it took for the last time a buffer was dequeued.
  *
@@ -53,8 +200,23 @@
  * made by the window will return -ETIMEDOUT after the timeout if the dequeue
  * takes too long.
  *
- * \return NO_ERROR on succes, -errno on error.
+ * \return NO_ERROR on success, -errno on error.
  */
 int ANativeWindow_setDequeueTimeout(ANativeWindow* window, int64_t timeout);
 
+/**
+ * Provides a hint to the window that buffers should be preallocated ahead of
+ * time. Note that the window implementation is not guaranteed to preallocate
+ * any buffers, for instance if a private API disallows allocation of new
+ * buffers. As such no success/error status is returned.
+ */
+void ANativeWindow_allocateBuffers(ANativeWindow* window);
+
+/**
+ * Retrieves an identifier for the next frame to be queued by this window.
+ *
+ * \return -errno on error, otherwise returns the next frame id.
+ */
+int64_t ANativeWindow_getNextFrameId(ANativeWindow* window);
+
 __END_DECLS
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index 14f7214..121374b 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -207,16 +207,16 @@
  */
 enum {
     // clang-format off
-    NATIVE_WINDOW_SET_USAGE                       =  0,   /* deprecated */
+    NATIVE_WINDOW_SET_USAGE                       =  ANATIVEWINDOW_PERFORM_SET_USAGE,   /* deprecated */
     NATIVE_WINDOW_CONNECT                         =  1,   /* deprecated */
     NATIVE_WINDOW_DISCONNECT                      =  2,   /* deprecated */
     NATIVE_WINDOW_SET_CROP                        =  3,   /* private */
     NATIVE_WINDOW_SET_BUFFER_COUNT                =  4,
-    NATIVE_WINDOW_SET_BUFFERS_GEOMETRY            =  5,   /* deprecated */
+    NATIVE_WINDOW_SET_BUFFERS_GEOMETRY            =  ANATIVEWINDOW_PERFORM_SET_BUFFERS_GEOMETRY,   /* deprecated */
     NATIVE_WINDOW_SET_BUFFERS_TRANSFORM           =  6,
     NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP           =  7,
     NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS          =  8,
-    NATIVE_WINDOW_SET_BUFFERS_FORMAT              =  9,
+    NATIVE_WINDOW_SET_BUFFERS_FORMAT              =  ANATIVEWINDOW_PERFORM_SET_BUFFERS_FORMAT,
     NATIVE_WINDOW_SET_SCALING_MODE                = 10,   /* private */
     NATIVE_WINDOW_LOCK                            = 11,   /* private */
     NATIVE_WINDOW_UNLOCK_AND_POST                 = 12,   /* private */
@@ -237,7 +237,7 @@
     NATIVE_WINDOW_GET_FRAME_TIMESTAMPS            = 27,
     NATIVE_WINDOW_GET_WIDE_COLOR_SUPPORT          = 28,
     NATIVE_WINDOW_GET_HDR_SUPPORT                 = 29,
-    NATIVE_WINDOW_SET_USAGE64                     = 30,
+    NATIVE_WINDOW_SET_USAGE64                     = ANATIVEWINDOW_PERFORM_SET_USAGE64,
     NATIVE_WINDOW_GET_CONSUMER_USAGE64            = 31,
     NATIVE_WINDOW_SET_BUFFERS_SMPTE2086_METADATA  = 32,
     NATIVE_WINDOW_SET_BUFFERS_CTA861_3_METADATA   = 33,
@@ -248,6 +248,11 @@
     NATIVE_WINDOW_GET_LAST_DEQUEUE_DURATION       = 38,    /* private */
     NATIVE_WINDOW_GET_LAST_QUEUE_DURATION         = 39,    /* private */
     NATIVE_WINDOW_SET_FRAME_RATE                  = 40,
+    NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR          = 41,    /* private */
+    NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR         = 42,    /* private */
+    NATIVE_WINDOW_SET_PERFORM_INTERCEPTOR         = 43,    /* private */
+    NATIVE_WINDOW_SET_QUEUE_INTERCEPTOR           = 44,    /* private */
+    NATIVE_WINDOW_ALLOCATE_BUFFERS                = 45,    /* private */
     // clang-format on
 };
 
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
index 3002da2..e0e20c3 100644
--- a/libs/nativewindow/libnativewindow.map.txt
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -17,6 +17,7 @@
     ANativeWindow_OemStorageGet; # llndk
     ANativeWindow_OemStorageSet; # llndk
     ANativeWindow_acquire;
+    ANativeWindow_allocateBuffers; # apex # introduced=30
     ANativeWindow_cancelBuffer; # llndk
     ANativeWindow_dequeueBuffer; # llndk
     ANativeWindow_getBuffersDataSpace; # introduced=28
@@ -25,11 +26,16 @@
     ANativeWindow_getLastDequeueDuration; # apex # introduced=30
     ANativeWindow_getLastDequeueStartTime; # apex # introduced=30
     ANativeWindow_getLastQueueDuration; # apex # introduced=30
+    ANativeWindow_getNextFrameId; # apex # introduced=30
     ANativeWindow_getWidth;
     ANativeWindow_lock;
     ANativeWindow_query; # llndk
     ANativeWindow_queryf; # llndk
     ANativeWindow_queueBuffer; # llndk
+    ANativeWindow_setCancelBufferInterceptor; # apex # introduced=30
+    ANativeWindow_setDequeueBufferInterceptor; # apex # introduced=30
+    ANativeWindow_setPerformInterceptor; # apex # introduced=30
+    ANativeWindow_setQueueBufferInterceptor; # apex # introduced=30
     ANativeWindow_release;
     ANativeWindow_setAutoPrerotation; # llndk
     ANativeWindow_setAutoRefresh; # llndk
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index 2e3ab4c..4c7b629 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -52,6 +52,7 @@
         "gl/GLExtensions.cpp",
         "gl/GLFramebuffer.cpp",
         "gl/GLImage.cpp",
+        "gl/GLShadowTexture.cpp",
         "gl/GLShadowVertexGenerator.cpp",
         "gl/GLSkiaShadowPort.cpp",
         "gl/ImageManager.cpp",
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 98605ba..69003fb 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -1661,6 +1661,7 @@
 
     mState.cornerRadius = 0.0f;
     mState.drawShadows = true;
+    setupLayerTexturing(mShadowTexture.getTexture());
     drawMesh(mesh);
     mState.drawShadows = false;
 }
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 45c85de..4fc457f 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -32,6 +32,7 @@
 #include <renderengine/RenderEngine.h>
 #include <renderengine/private/Description.h>
 #include <sys/types.h>
+#include "GLShadowTexture.h"
 #include "ImageManager.h"
 
 #define EGL_NO_CONFIG ((EGLConfig)0)
@@ -183,6 +184,7 @@
     GLuint mVpWidth;
     GLuint mVpHeight;
     Description mState;
+    GLShadowTexture mShadowTexture;
 
     mat4 mSrgbToXyz;
     mat4 mDisplayP3ToXyz;
diff --git a/libs/renderengine/gl/GLShadowTexture.cpp b/libs/renderengine/gl/GLShadowTexture.cpp
new file mode 100644
index 0000000..2423a34
--- /dev/null
+++ b/libs/renderengine/gl/GLShadowTexture.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <GLES3/gl3.h>
+
+#include "GLShadowTexture.h"
+#include "GLSkiaShadowPort.h"
+
+namespace android {
+namespace renderengine {
+namespace gl {
+
+GLShadowTexture::GLShadowTexture() {
+    fillShadowTextureData(mTextureData, SHADOW_TEXTURE_WIDTH);
+
+    glGenTextures(1, &mName);
+    glBindTexture(GL_TEXTURE_2D, mName);
+    glTexImage2D(GL_TEXTURE_2D, 0 /* base image level */, GL_ALPHA, SHADOW_TEXTURE_WIDTH,
+                 SHADOW_TEXTURE_HEIGHT, 0 /* border */, GL_ALPHA, GL_UNSIGNED_BYTE, mTextureData);
+    mTexture.init(Texture::TEXTURE_2D, mName);
+    mTexture.setFiltering(true);
+    mTexture.setDimensions(SHADOW_TEXTURE_WIDTH, 1);
+}
+
+GLShadowTexture::~GLShadowTexture() {
+    glDeleteTextures(1, &mName);
+}
+
+const Texture& GLShadowTexture::getTexture() {
+    return mTexture;
+}
+
+} // namespace gl
+} // namespace renderengine
+} // namespace android
diff --git a/libs/renderengine/gl/GLShadowTexture.h b/libs/renderengine/gl/GLShadowTexture.h
new file mode 100644
index 0000000..250a9d7
--- /dev/null
+++ b/libs/renderengine/gl/GLShadowTexture.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <renderengine/Texture.h>
+#include <cstdint>
+
+namespace android {
+namespace renderengine {
+namespace gl {
+
+class GLShadowTexture {
+public:
+    GLShadowTexture();
+    ~GLShadowTexture();
+
+    const Texture& getTexture();
+
+private:
+    static constexpr int SHADOW_TEXTURE_WIDTH = 128;
+    static constexpr int SHADOW_TEXTURE_HEIGHT = 1;
+
+    GLuint mName;
+    Texture mTexture;
+    uint8_t mTextureData[SHADOW_TEXTURE_WIDTH];
+};
+
+} // namespace gl
+} // namespace renderengine
+} // namespace android
diff --git a/libs/renderengine/gl/GLSkiaShadowPort.cpp b/libs/renderengine/gl/GLSkiaShadowPort.cpp
index 224ce6c..da8b435 100644
--- a/libs/renderengine/gl/GLSkiaShadowPort.cpp
+++ b/libs/renderengine/gl/GLSkiaShadowPort.cpp
@@ -644,6 +644,13 @@
                              2.0f * devSpaceSpotBlur, std::abs(insetWidth));
 }
 
+void fillShadowTextureData(uint8_t* data, size_t shadowTextureWidth) {
+    for (int i = 0; i < shadowTextureWidth; i++) {
+        const float d = 1 - i / ((shadowTextureWidth * 1.0f) - 1.0f);
+        data[i] = static_cast<uint8_t>((exp(-4.0f * d * d) - 0.018f) * 255);
+    }
+}
+
 } // namespace gl
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/gl/GLSkiaShadowPort.h b/libs/renderengine/gl/GLSkiaShadowPort.h
index e7d1861..912c8bb 100644
--- a/libs/renderengine/gl/GLSkiaShadowPort.h
+++ b/libs/renderengine/gl/GLSkiaShadowPort.h
@@ -17,13 +17,11 @@
 #pragma once
 
 #include <math/vec4.h>
+#include <renderengine/Mesh.h>
 #include <ui/Rect.h>
 
 namespace android {
 namespace renderengine {
-
-class Mesh;
-
 namespace gl {
 
 /**
@@ -79,6 +77,20 @@
 void fillIndicesForGeometry(const Geometry& shadowGeometry, int indexCount,
                             int startingVertexOffset, uint16_t* indices);
 
+/**
+ * Maps shadow geometry 'alpha' varying (1 for darkest, 0 for transparent) to
+ * darkness at that spot. Values are determined by an exponential falloff
+ * function provided by UX.
+ *
+ * The texture is used for quick lookup in theshadow shader.
+ *
+ * textureData - filled with shadow texture data that needs to be at least of
+ *               size textureWidth
+ *
+ * textureWidth - width of the texture, height is always 1
+ */
+void fillShadowTextureData(uint8_t* textureData, size_t textureWidth);
+
 } // namespace gl
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index ba0e4ad..3ae35ec 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -550,7 +550,7 @@
 
 String8 ProgramCache::generateVertexShader(const Key& needs) {
     Formatter vs;
-    if (needs.isTexturing()) {
+    if (needs.hasTextureCoords()) {
         vs << "attribute vec4 texCoords;"
            << "varying vec2 outTexCoords;";
     }
@@ -559,16 +559,16 @@
         vs << "varying lowp vec2 outCropCoords;";
     }
     if (needs.drawShadows()) {
-        vs << "attribute vec4 shadowColor;";
-        vs << "varying vec4 outShadowColor;";
-        vs << "attribute vec4 shadowParams;";
-        vs << "varying vec3 outShadowParams;";
+        vs << "attribute lowp vec4 shadowColor;";
+        vs << "varying lowp vec4 outShadowColor;";
+        vs << "attribute lowp vec4 shadowParams;";
+        vs << "varying lowp vec3 outShadowParams;";
     }
     vs << "attribute vec4 position;"
        << "uniform mat4 projection;"
        << "uniform mat4 texture;"
        << "void main(void) {" << indent << "gl_Position = projection * position;";
-    if (needs.isTexturing()) {
+    if (needs.hasTextureCoords()) {
         vs << "outTexCoords = (texture * texCoords).st;";
     }
     if (needs.hasRoundedCorners()) {
@@ -592,11 +592,13 @@
     fs << "precision mediump float;";
 
     if (needs.getTextureTarget() == Key::TEXTURE_EXT) {
-        fs << "uniform samplerExternalOES sampler;"
-           << "varying vec2 outTexCoords;";
+        fs << "uniform samplerExternalOES sampler;";
     } else if (needs.getTextureTarget() == Key::TEXTURE_2D) {
-        fs << "uniform sampler2D sampler;"
-           << "varying vec2 outTexCoords;";
+        fs << "uniform sampler2D sampler;";
+    }
+
+    if (needs.hasTextureCoords()) {
+        fs << "varying vec2 outTexCoords;";
     }
 
     if (needs.hasRoundedCorners()) {
@@ -625,19 +627,17 @@
 
     if (needs.drawShadows()) {
         fs << R"__SHADER__(
-            varying vec4 outShadowColor;
-            varying vec3 outShadowParams;
+            varying lowp vec4 outShadowColor;
+            varying lowp vec3 outShadowParams;
 
             /**
              * Returns the shadow color.
              */
             vec4 getShadowColor()
             {
-                // exponential falloff function provided by UX
-                float d = length(outShadowParams.xy);
-                float distance = outShadowParams.z * (1.0 - d);
-                float factor = 1.0 - clamp(distance, 0.0, 1.0);
-                factor = exp(-factor * factor * 4.0) - 0.018;
+                lowp float d = length(outShadowParams.xy);
+                vec2 uv = vec2(outShadowParams.z * (1.0 - d), 0.5);
+                lowp float factor = texture2D(sampler, uv).a;
                 return outShadowColor * factor;
             }
             )__SHADER__";
diff --git a/libs/renderengine/gl/ProgramCache.h b/libs/renderengine/gl/ProgramCache.h
index c8b6da7..901e631 100644
--- a/libs/renderengine/gl/ProgramCache.h
+++ b/libs/renderengine/gl/ProgramCache.h
@@ -128,6 +128,7 @@
         }
 
         inline bool isTexturing() const { return (mKey & TEXTURE_MASK) != TEXTURE_OFF; }
+        inline bool hasTextureCoords() const { return isTexturing() && !drawShadows(); }
         inline int getTextureTarget() const { return (mKey & TEXTURE_MASK); }
         inline bool isPremultiplied() const { return (mKey & BLEND_MASK) == BLEND_PREMULT; }
         inline bool isOpaque() const { return (mKey & OPACITY_MASK) == OPACITY_OPAQUE; }
diff --git a/libs/ui/include/ui/DisplayConfig.h b/libs/ui/include/ui/DisplayConfig.h
new file mode 100644
index 0000000..09b8211
--- /dev/null
+++ b/libs/ui/include/ui/DisplayConfig.h
@@ -0,0 +1,40 @@
+/*
+ * 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 <type_traits>
+
+#include <ui/Size.h>
+#include <utils/Timers.h>
+
+namespace android {
+
+// Configuration supported by physical display.
+struct DisplayConfig {
+    ui::Size resolution;
+    float xDpi = 0;
+    float yDpi = 0;
+
+    float refreshRate = 0;
+    nsecs_t appVsyncOffset = 0;
+    nsecs_t sfVsyncOffset = 0;
+    nsecs_t presentationDeadline = 0;
+};
+
+static_assert(std::is_trivially_copyable_v<DisplayConfig>);
+
+} // namespace android
diff --git a/libs/ui/include/ui/DisplayInfo.h b/libs/ui/include/ui/DisplayInfo.h
index 38f8d6b..7773319 100644
--- a/libs/ui/include/ui/DisplayInfo.h
+++ b/libs/ui/include/ui/DisplayInfo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 The Android Open Source Project
+ * Copyright 2019 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,35 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_UI_DISPLAY_INFO_H
-#define ANDROID_UI_DISPLAY_INFO_H
+#pragma once
 
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <ui/Rotation.h>
-#include <utils/Timers.h>
+#include <type_traits>
 
 namespace android {
 
-constexpr uint32_t NO_LAYER_STACK = static_cast<uint32_t>(-1);
-
+// Immutable information about physical display.
 struct DisplayInfo {
-    uint32_t w{0};
-    uint32_t h{0};
-    float xdpi{0};
-    float ydpi{0};
-    float fps{0};
-    float density{0};
-    ui::Rotation orientation{ui::ROTATION_0};
-    bool secure{false};
-    nsecs_t appVsyncOffset{0};
-    nsecs_t presentationDeadline{0};
-    uint32_t viewportW{0};
-    uint32_t viewportH{0};
-    uint32_t layerStack{NO_LAYER_STACK};
+    float density = 0.f;
+    bool secure = false;
 };
 
-} // namespace android
+static_assert(std::is_trivially_copyable_v<DisplayInfo>);
 
-#endif // ANDROID_COMPOSER_DISPLAY_INFO_H
+} // namespace android
diff --git a/libs/ui/include/ui/DisplayState.h b/libs/ui/include/ui/DisplayState.h
new file mode 100644
index 0000000..64efc84
--- /dev/null
+++ b/libs/ui/include/ui/DisplayState.h
@@ -0,0 +1,40 @@
+/*
+ * 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 <ui/Rotation.h>
+#include <ui/Size.h>
+
+#include <cstdint>
+#include <type_traits>
+
+namespace android::ui {
+
+using LayerStack = uint32_t;
+constexpr LayerStack NO_LAYER_STACK = static_cast<LayerStack>(-1);
+
+// Transactional state of physical or virtual display. Note that libgui defines
+// android::DisplayState as a superset of android::ui::DisplayState.
+struct DisplayState {
+    LayerStack layerStack = NO_LAYER_STACK;
+    Rotation orientation = ROTATION_0;
+    Size viewport;
+};
+
+static_assert(std::is_trivially_copyable_v<DisplayState>);
+
+} // namespace android::ui
diff --git a/libs/ui/include_vndk/ui/DisplayConfig.h b/libs/ui/include_vndk/ui/DisplayConfig.h
new file mode 120000
index 0000000..1450319
--- /dev/null
+++ b/libs/ui/include_vndk/ui/DisplayConfig.h
@@ -0,0 +1 @@
+../../include/ui/DisplayConfig.h
\ No newline at end of file
diff --git a/libs/ui/include_vndk/ui/DisplayState.h b/libs/ui/include_vndk/ui/DisplayState.h
new file mode 120000
index 0000000..4e92849
--- /dev/null
+++ b/libs/ui/include_vndk/ui/DisplayState.h
@@ -0,0 +1 @@
+../../include/ui/DisplayState.h
\ No newline at end of file
diff --git a/opengl/tests/lib/WindowSurface.cpp b/opengl/tests/lib/WindowSurface.cpp
index 4dcc1ca..dfb9c92 100644
--- a/opengl/tests/lib/WindowSurface.cpp
+++ b/opengl/tests/lib/WindowSurface.cpp
@@ -16,10 +16,13 @@
 
 #include <WindowSurface.h>
 
-#include <gui/SurfaceComposerClient.h>
+#include <utility>
+
 #include <gui/ISurfaceComposer.h>
 #include <gui/Surface.h>
-#include <ui/DisplayInfo.h>
+#include <gui/SurfaceComposerClient.h>
+#include <ui/DisplayConfig.h>
+#include <ui/DisplayState.h>
 
 using namespace android;
 
@@ -33,28 +36,33 @@
         return;
     }
 
-    // Get main display parameters.
-    const auto mainDpy = SurfaceComposerClient::getInternalDisplayToken();
-    if (mainDpy == nullptr) {
+    const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    if (displayToken == nullptr) {
         fprintf(stderr, "ERROR: no display\n");
         return;
     }
 
-    DisplayInfo mainDpyInfo;
-    err = SurfaceComposerClient::getDisplayInfo(mainDpy, &mainDpyInfo);
+    DisplayConfig displayConfig;
+    err = SurfaceComposerClient::getActiveDisplayConfig(displayToken, &displayConfig);
     if (err != NO_ERROR) {
-        fprintf(stderr, "ERROR: unable to get display characteristics\n");
+        fprintf(stderr, "ERROR: unable to get active display config\n");
         return;
     }
 
-    uint32_t width, height;
-    if (mainDpyInfo.orientation != ui::ROTATION_0 && mainDpyInfo.orientation != ui::ROTATION_180) {
-        // rotated
-        width = mainDpyInfo.h;
-        height = mainDpyInfo.w;
-    } else {
-        width = mainDpyInfo.w;
-        height = mainDpyInfo.h;
+    ui::DisplayState displayState;
+    err = SurfaceComposerClient::getDisplayState(displayToken, &displayState);
+    if (err != NO_ERROR) {
+        fprintf(stderr, "ERROR: unable to get display state\n");
+        return;
+    }
+
+    const ui::Size& resolution = displayConfig.resolution;
+    auto width = resolution.getWidth();
+    auto height = resolution.getHeight();
+
+    if (displayState.orientation == ui::ROTATION_90 ||
+        displayState.orientation == ui::ROTATION_270) {
+        std::swap(width, height);
     }
 
     sp<SurfaceControl> sc = surfaceComposerClient->createSurface(
diff --git a/services/automotive/display/CarWindowService.cpp b/services/automotive/display/CarWindowService.cpp
index e95c9e1..fbefef0 100644
--- a/services/automotive/display/CarWindowService.cpp
+++ b/services/automotive/display/CarWindowService.cpp
@@ -13,8 +13,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-#include <ui/DisplayInfo.h>
+
+#include <utility>
+
 #include <gui/bufferqueue/2.0/B2HGraphicBufferProducer.h>
+#include <ui/DisplayConfig.h>
+#include <ui/DisplayState.h>
 
 #include "CarWindowService.h"
 
@@ -38,31 +42,37 @@
             return nullptr;
         }
 
-        // Get main display parameters.
-        sp<IBinder> mainDpy = SurfaceComposerClient::getInternalDisplayToken();
-        if (mainDpy == nullptr) {
+        const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+        if (displayToken == nullptr) {
             ALOGE("Failed to get internal display ");
             return nullptr;
         }
-        DisplayInfo mainDpyInfo;
-        err = SurfaceComposerClient::getDisplayInfo(mainDpy, &mainDpyInfo);
+
+        DisplayConfig displayConfig;
+        err = SurfaceComposerClient::getActiveDisplayConfig(displayToken, &displayConfig);
         if (err != NO_ERROR) {
-            ALOGE("Failed to get display characteristics");
+            ALOGE("Failed to get active display config");
             return nullptr;
         }
-        unsigned int mWidth, mHeight;
-        if (mainDpyInfo.orientation != ui::ROTATION_0 &&
-            mainDpyInfo.orientation != ui::ROTATION_180) {
-            // rotated
-            mWidth = mainDpyInfo.h;
-            mHeight = mainDpyInfo.w;
-        } else {
-            mWidth = mainDpyInfo.w;
-            mHeight = mainDpyInfo.h;
+
+        ui::DisplayState displayState;
+        err = SurfaceComposerClient::getDisplayState(displayToken, &displayState);
+        if (err != NO_ERROR) {
+            ALOGE("Failed to get display state");
+            return nullptr;
+        }
+
+        const ui::Size& resolution = displayConfig.resolution;
+        auto width = resolution.getWidth();
+        auto height = resolution.getHeight();
+
+        if (displayState.orientation == ui::ROTATION_90 ||
+            displayState.orientation == ui::ROTATION_270) {
+            std::swap(width, height);
         }
 
         mSurfaceControl = mSurfaceComposerClient->createSurface(
-                String8("Automotive Display"), mWidth, mHeight,
+                String8("Automotive Display"), width, height,
                 PIXEL_FORMAT_RGBX_8888, ISurfaceComposerClient::eOpaque);
         if (mSurfaceControl == nullptr || !mSurfaceControl->isValid()) {
             ALOGE("Failed to create SurfaceControl");
diff --git a/services/gpuservice/Android.bp b/services/gpuservice/Android.bp
index baba64f..6eed24a 100644
--- a/services/gpuservice/Android.bp
+++ b/services/gpuservice/Android.bp
@@ -20,6 +20,7 @@
         "libbase",
         "libbinder",
         "libcutils",
+        "libgfxstats",
         "libgraphicsenv",
         "liblog",
         "libutils",
@@ -52,7 +53,6 @@
     name: "libgpuservice_sources",
     srcs: [
         "GpuService.cpp",
-        "gpustats/GpuStats.cpp"
     ],
 }
 
diff --git a/services/gpuservice/GpuService.cpp b/services/gpuservice/GpuService.cpp
index be4a462..91a76f1 100644
--- a/services/gpuservice/GpuService.cpp
+++ b/services/gpuservice/GpuService.cpp
@@ -24,14 +24,13 @@
 #include <binder/Parcel.h>
 #include <binder/PermissionCache.h>
 #include <cutils/properties.h>
+#include <gpustats/GpuStats.h>
 #include <private/android_filesystem_config.h>
 #include <utils/String8.h>
 #include <utils/Trace.h>
 
 #include <vkjson.h>
 
-#include "gpustats/GpuStats.h"
-
 namespace android {
 
 using base::StringAppendF;
@@ -53,8 +52,9 @@
                              int64_t driverBuildTime, const std::string& appPackageName,
                              const int32_t vulkanVersion, GpuStatsInfo::Driver driver,
                              bool isDriverLoaded, int64_t driverLoadingTime) {
-    mGpuStats->insert(driverPackageName, driverVersionName, driverVersionCode, driverBuildTime,
-                      appPackageName, vulkanVersion, driver, isDriverLoaded, driverLoadingTime);
+    mGpuStats->insertDriverStats(driverPackageName, driverVersionName, driverVersionCode,
+                                 driverBuildTime, appPackageName, vulkanVersion, driver,
+                                 isDriverLoaded, driverLoadingTime);
 }
 
 status_t GpuService::getGpuStatsGlobalInfo(std::vector<GpuStatsGlobalInfo>* outStats) const {
diff --git a/services/gpuservice/TEST_MAPPING b/services/gpuservice/TEST_MAPPING
new file mode 100644
index 0000000..b345355
--- /dev/null
+++ b/services/gpuservice/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "gpuservice_unittest"
+    }
+  ]
+}
diff --git a/services/gpuservice/gpustats/Android.bp b/services/gpuservice/gpustats/Android.bp
new file mode 100644
index 0000000..49a98cc
--- /dev/null
+++ b/services/gpuservice/gpustats/Android.bp
@@ -0,0 +1,21 @@
+cc_library_shared {
+    name: "libgfxstats",
+    srcs: [
+        "GpuStats.cpp",
+    ],
+    shared_libs: [
+        "libcutils",
+        "libgraphicsenv",
+        "liblog",
+        "libutils",
+    ],
+    export_include_dirs: ["include"],
+    cppflags: [
+        "-Wall",
+        "-Werror",
+        "-Wformat",
+        "-Wthread-safety",
+        "-Wunused",
+        "-Wunreachable-code",
+    ],
+}
diff --git a/services/gpuservice/gpustats/GpuStats.cpp b/services/gpuservice/gpustats/GpuStats.cpp
index 7fff6ed..71e6b97 100644
--- a/services/gpuservice/gpustats/GpuStats.cpp
+++ b/services/gpuservice/gpustats/GpuStats.cpp
@@ -17,7 +17,7 @@
 #define LOG_TAG "GpuStats"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
-#include "GpuStats.h"
+#include <gpustats/GpuStats.h>
 
 #include <cutils/properties.h>
 #include <log/log.h>
@@ -74,10 +74,11 @@
     }
 }
 
-void GpuStats::insert(const std::string& driverPackageName, const std::string& driverVersionName,
-                      uint64_t driverVersionCode, int64_t driverBuildTime,
-                      const std::string& appPackageName, const int32_t vulkanVersion,
-                      GpuStatsInfo::Driver driver, bool isDriverLoaded, int64_t driverLoadingTime) {
+void GpuStats::insertDriverStats(const std::string& driverPackageName,
+                                 const std::string& driverVersionName, uint64_t driverVersionCode,
+                                 int64_t driverBuildTime, const std::string& appPackageName,
+                                 const int32_t vulkanVersion, GpuStatsInfo::Driver driver,
+                                 bool isDriverLoaded, int64_t driverLoadingTime) {
     ATRACE_CALL();
 
     std::lock_guard<std::mutex> lock(mLock);
@@ -191,6 +192,11 @@
         dumpAll = false;
     }
 
+    if (dumpAll) {
+        dumpGlobalLocked(result);
+        dumpAppLocked(result);
+    }
+
     if (argsSet.count("--clear")) {
         bool clearAll = true;
 
@@ -208,13 +214,6 @@
             mGlobalStats.clear();
             mAppStats.clear();
         }
-
-        dumpAll = false;
-    }
-
-    if (dumpAll) {
-        dumpGlobalLocked(result);
-        dumpAppLocked(result);
     }
 }
 
diff --git a/services/gpuservice/gpustats/GpuStats.h b/services/gpuservice/gpustats/include/gpustats/GpuStats.h
similarity index 83%
rename from services/gpuservice/gpustats/GpuStats.h
rename to services/gpuservice/gpustats/include/gpustats/GpuStats.h
index 656b181..bcb9e0d 100644
--- a/services/gpuservice/gpustats/GpuStats.h
+++ b/services/gpuservice/gpustats/include/gpustats/GpuStats.h
@@ -16,15 +16,15 @@
 
 #pragma once
 
-#include <mutex>
-#include <unordered_map>
-#include <vector>
-
 #include <graphicsenv/GpuStatsInfo.h>
 #include <graphicsenv/GraphicsEnv.h>
 #include <utils/String16.h>
 #include <utils/Vector.h>
 
+#include <mutex>
+#include <unordered_map>
+#include <vector>
+
 namespace android {
 
 class GpuStats {
@@ -32,11 +32,12 @@
     GpuStats() = default;
     ~GpuStats() = default;
 
-    // Insert new gpu stats into global stats and app stats.
-    void insert(const std::string& driverPackageName, const std::string& driverVersionName,
-                uint64_t driverVersionCode, int64_t driverBuildTime,
-                const std::string& appPackageName, const int32_t vulkanVersion,
-                GpuStatsInfo::Driver driver, bool isDriverLoaded, int64_t driverLoadingTime);
+    // Insert new gpu driver stats into global stats and app stats.
+    void insertDriverStats(const std::string& driverPackageName,
+                           const std::string& driverVersionName, uint64_t driverVersionCode,
+                           int64_t driverBuildTime, const std::string& appPackageName,
+                           const int32_t vulkanVersion, GpuStatsInfo::Driver driver,
+                           bool isDriverLoaded, int64_t driverLoadingTime);
     // Insert target stats into app stats or potentially global stats as well.
     void insertTargetStats(const std::string& appPackageName, const uint64_t driverVersionCode,
                            const GpuStatsInfo::Stats stats, const uint64_t value);
diff --git a/services/gpuservice/tests/unittests/Android.bp b/services/gpuservice/tests/unittests/Android.bp
new file mode 100644
index 0000000..fee5bd4
--- /dev/null
+++ b/services/gpuservice/tests/unittests/Android.bp
@@ -0,0 +1,34 @@
+// Copyright 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_test {
+    name: "gpuservice_unittest",
+    test_suites: ["device-tests"],
+    sanitize: {
+        address: true,
+    },
+    srcs: [
+        "GpuStatsTest.cpp",
+    ],
+    shared_libs: [
+        "libcutils",
+        "libgfxstats",
+        "libgraphicsenv",
+        "liblog",
+        "libutils",
+    ],
+    static_libs: [
+        "libgmock",
+    ],
+}
diff --git a/services/gpuservice/tests/unittests/AndroidTest.xml b/services/gpuservice/tests/unittests/AndroidTest.xml
new file mode 100644
index 0000000..66f51c7
--- /dev/null
+++ b/services/gpuservice/tests/unittests/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Config for gpuservice_unittest">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="gpuservice_unittest->/data/local/tmp/gpuservice_unittest" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="gpuservice_unittest" />
+    </test>
+</configuration>
diff --git a/services/gpuservice/tests/unittests/GpuStatsTest.cpp b/services/gpuservice/tests/unittests/GpuStatsTest.cpp
new file mode 100644
index 0000000..276a334
--- /dev/null
+++ b/services/gpuservice/tests/unittests/GpuStatsTest.cpp
@@ -0,0 +1,257 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "gpuservice_unittest"
+
+#include <cutils/properties.h>
+#include <gmock/gmock.h>
+#include <gpustats/GpuStats.h>
+#include <gtest/gtest.h>
+#include <utils/String16.h>
+#include <utils/Vector.h>
+
+namespace android {
+namespace {
+
+using testing::HasSubstr;
+
+// clang-format off
+#define BUILTIN_DRIVER_PKG_NAME   "system"
+#define BUILTIN_DRIVER_VER_NAME   "0"
+#define BUILTIN_DRIVER_VER_CODE   0
+#define BUILTIN_DRIVER_BUILD_TIME 123
+#define UPDATED_DRIVER_PKG_NAME   "updated"
+#define UPDATED_DRIVER_VER_NAME   "1"
+#define UPDATED_DRIVER_VER_CODE   1
+#define UPDATED_DRIVER_BUILD_TIME 234
+#define VULKAN_VERSION            345
+#define CPU_VULKAN_VERSION        456
+#define OPENGLES_VERSION          567
+#define APP_PKG_NAME_1            "testapp1"
+#define APP_PKG_NAME_2            "testapp2"
+#define DRIVER_LOADING_TIME_1     678
+#define DRIVER_LOADING_TIME_2     789
+#define DRIVER_LOADING_TIME_3     891
+
+enum InputCommand : int32_t {
+    DUMP_ALL               = 0,
+    DUMP_GLOBAL            = 1,
+    DUMP_APP               = 2,
+    DUMP_ALL_THEN_CLEAR    = 3,
+    DUMP_GLOBAL_THEN_CLEAR = 4,
+    DUMP_APP_THEN_CLEAR    = 5,
+};
+// clang-format on
+
+class GpuStatsTest : public testing::Test {
+public:
+    GpuStatsTest() {
+        const ::testing::TestInfo* const test_info =
+                ::testing::UnitTest::GetInstance()->current_test_info();
+        ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+    }
+
+    ~GpuStatsTest() {
+        const ::testing::TestInfo* const test_info =
+                ::testing::UnitTest::GetInstance()->current_test_info();
+        ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
+    }
+
+    std::string inputCommand(InputCommand cmd);
+
+    void SetUp() override {
+        property_set("ro.cpuvulkan.version", std::to_string(CPU_VULKAN_VERSION).c_str());
+        property_set("ro.opengles.version", std::to_string(OPENGLES_VERSION).c_str());
+        mCpuVulkanVersion = property_get_int32("ro.cpuvulkan.version", CPU_VULKAN_VERSION);
+        mGlesVersion = property_get_int32("ro.opengles.version", OPENGLES_VERSION);
+    }
+
+    std::unique_ptr<GpuStats> mGpuStats = std::make_unique<GpuStats>();
+    int32_t mCpuVulkanVersion = 0;
+    int32_t mGlesVersion = 0;
+};
+
+std::string GpuStatsTest::inputCommand(InputCommand cmd) {
+    std::string result;
+    Vector<String16> args;
+
+    switch (cmd) {
+        case InputCommand::DUMP_ALL:
+            break;
+        case InputCommand::DUMP_GLOBAL:
+            args.push_back(String16("--global"));
+            break;
+        case InputCommand::DUMP_APP:
+            args.push_back(String16("--app"));
+            break;
+        case InputCommand::DUMP_ALL_THEN_CLEAR:
+            args.push_back(String16("--clear"));
+            break;
+        case InputCommand::DUMP_GLOBAL_THEN_CLEAR:
+            args.push_back(String16("--global"));
+            args.push_back(String16("--clear"));
+            break;
+        case InputCommand::DUMP_APP_THEN_CLEAR:
+            args.push_back(String16("--app"));
+            args.push_back(String16("--clear"));
+            break;
+    }
+
+    mGpuStats->dump(args, &result);
+    return result;
+}
+
+TEST_F(GpuStatsTest, statsEmptyByDefault) {
+    ASSERT_TRUE(inputCommand(InputCommand::DUMP_ALL).empty());
+}
+
+TEST_F(GpuStatsTest, canInsertBuiltinDriverStats) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+
+    std::string expectedResult = "driverPackageName = " + std::string(BUILTIN_DRIVER_PKG_NAME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverVersionName = " + std::string(BUILTIN_DRIVER_VER_NAME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverVersionCode = " + std::to_string(BUILTIN_DRIVER_VER_CODE);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverBuildTime = " + std::to_string(BUILTIN_DRIVER_BUILD_TIME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("glLoadingCount = 1"));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("glLoadingFailureCount = 0"));
+    expectedResult = "appPackageName = " + std::string(APP_PKG_NAME_1);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+    expectedResult = "driverVersionCode = " + std::to_string(BUILTIN_DRIVER_VER_CODE);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+    expectedResult = "glDriverLoadingTime: " + std::to_string(DRIVER_LOADING_TIME_1);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+}
+
+TEST_F(GpuStatsTest, canInsertUpdatedDriverStats) {
+    mGpuStats->insertDriverStats(UPDATED_DRIVER_PKG_NAME, UPDATED_DRIVER_VER_NAME,
+                                 UPDATED_DRIVER_VER_CODE, UPDATED_DRIVER_BUILD_TIME, APP_PKG_NAME_2,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::VULKAN_UPDATED, false,
+                                 DRIVER_LOADING_TIME_2);
+
+    std::string expectedResult = "driverPackageName = " + std::string(UPDATED_DRIVER_PKG_NAME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverVersionName = " + std::string(UPDATED_DRIVER_VER_NAME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverVersionCode = " + std::to_string(UPDATED_DRIVER_VER_CODE);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "driverBuildTime = " + std::to_string(UPDATED_DRIVER_BUILD_TIME);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("vkLoadingCount = 1"));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("vkLoadingFailureCount = 1"));
+    expectedResult = "appPackageName = " + std::string(APP_PKG_NAME_2);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+    expectedResult = "driverVersionCode = " + std::to_string(UPDATED_DRIVER_VER_CODE);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+    expectedResult = "vkDriverLoadingTime: " + std::to_string(DRIVER_LOADING_TIME_2);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+}
+
+TEST_F(GpuStatsTest, canInsertAngleDriverStats) {
+    mGpuStats->insertDriverStats(UPDATED_DRIVER_PKG_NAME, UPDATED_DRIVER_VER_NAME,
+                                 UPDATED_DRIVER_VER_CODE, UPDATED_DRIVER_BUILD_TIME, APP_PKG_NAME_2,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::ANGLE, true,
+                                 DRIVER_LOADING_TIME_3);
+
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("angleLoadingCount = 1"));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr("angleLoadingFailureCount = 0"));
+    std::string expectedResult = "angleDriverLoadingTime: " + std::to_string(DRIVER_LOADING_TIME_3);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr(expectedResult));
+}
+
+TEST_F(GpuStatsTest, canDump3dApiVersion) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+
+    std::string expectedResult = "vulkanVersion = " + std::to_string(VULKAN_VERSION);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "cpuVulkanVersion = " + std::to_string(mCpuVulkanVersion);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+    expectedResult = "glesVersion = " + std::to_string(mGlesVersion);
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_GLOBAL), HasSubstr(expectedResult));
+}
+
+TEST_F(GpuStatsTest, canNotInsertTargetStatsBeforeProperSetup) {
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::CPU_VULKAN_IN_USE, 0);
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::FALSE_PREROTATION, 0);
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::GLES_1_IN_USE, 0);
+
+    EXPECT_TRUE(inputCommand(InputCommand::DUMP_APP).empty());
+}
+
+TEST_F(GpuStatsTest, canInsertTargetStatsAfterProperSetup) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::CPU_VULKAN_IN_USE, 0);
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::FALSE_PREROTATION, 0);
+    mGpuStats->insertTargetStats(APP_PKG_NAME_1, BUILTIN_DRIVER_VER_CODE,
+                                 GpuStatsInfo::Stats::GLES_1_IN_USE, 0);
+
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr("cpuVulkanInUse = 1"));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr("falsePrerotation = 1"));
+    EXPECT_THAT(inputCommand(InputCommand::DUMP_APP), HasSubstr("gles1InUse = 1"));
+}
+
+TEST_F(GpuStatsTest, canDumpAllBeforeClearAll) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+
+    EXPECT_FALSE(inputCommand(InputCommand::DUMP_ALL_THEN_CLEAR).empty());
+    EXPECT_TRUE(inputCommand(InputCommand::DUMP_ALL).empty());
+}
+
+TEST_F(GpuStatsTest, canDumpGlobalBeforeClearGlobal) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+
+    EXPECT_FALSE(inputCommand(InputCommand::DUMP_GLOBAL_THEN_CLEAR).empty());
+    EXPECT_TRUE(inputCommand(InputCommand::DUMP_GLOBAL).empty());
+    EXPECT_FALSE(inputCommand(InputCommand::DUMP_APP).empty());
+}
+
+TEST_F(GpuStatsTest, canDumpAppBeforeClearApp) {
+    mGpuStats->insertDriverStats(BUILTIN_DRIVER_PKG_NAME, BUILTIN_DRIVER_VER_NAME,
+                                 BUILTIN_DRIVER_VER_CODE, BUILTIN_DRIVER_BUILD_TIME, APP_PKG_NAME_1,
+                                 VULKAN_VERSION, GpuStatsInfo::Driver::GL, true,
+                                 DRIVER_LOADING_TIME_1);
+
+    EXPECT_FALSE(inputCommand(InputCommand::DUMP_APP_THEN_CLEAR).empty());
+    EXPECT_TRUE(inputCommand(InputCommand::DUMP_APP).empty());
+    EXPECT_FALSE(inputCommand(InputCommand::DUMP_GLOBAL).empty());
+}
+
+} // namespace
+} // namespace android
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index 46bbbe1..61386f4 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -117,25 +117,24 @@
              "relative to expectedPresent %" PRId64,
              getDebugName(), addedTime, expectedPresentTime);
 
+    if (!isPlausible) {
+        mFlinger->mTimeStats->incrementBadDesiredPresent(getSequence());
+    }
+
     const bool isDue = addedTime < expectedPresentTime;
     return isDue || !isPlausible;
 }
 
-bool BufferQueueLayer::setFrameRate(float frameRate) {
+bool BufferQueueLayer::setFrameRate(FrameRate frameRate) {
     float oldFrameRate = 0.f;
     status_t result = mConsumer->getFrameRate(&oldFrameRate);
-    bool frameRateChanged = result < 0 || frameRate != oldFrameRate;
-    mConsumer->setFrameRate(frameRate);
+    bool frameRateChanged = result < 0 || frameRate.rate != oldFrameRate;
+    mConsumer->setFrameRate(frameRate.rate);
     return frameRateChanged;
 }
 
-std::optional<float> BufferQueueLayer::getFrameRate() const {
-    const auto frameRate = mLatchedFrameRate.load();
-    if (frameRate > 0.f || frameRate == FRAME_RATE_NO_VOTE) {
-        return frameRate;
-    }
-
-    return {};
+Layer::FrameRate BufferQueueLayer::getFrameRate() const {
+    return FrameRate(mLatchedFrameRate, Layer::FrameRateCompatibility::Default);
 }
 
 // -----------------------------------------------------------------------
@@ -159,7 +158,14 @@
         // able to be latched. To avoid this, grab this buffer anyway.
         return true;
     }
-    return mQueueItems[0].mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
+    const bool fenceSignaled =
+            mQueueItems[0].mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
+    if (!fenceSignaled) {
+        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
+                                                    TimeStats::LatchSkipReason::LateAcquire);
+    }
+
+    return fenceSignaled;
 }
 
 bool BufferQueueLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
diff --git a/services/surfaceflinger/BufferQueueLayer.h b/services/surfaceflinger/BufferQueueLayer.h
index 2bd1e3d..598bc6b 100644
--- a/services/surfaceflinger/BufferQueueLayer.h
+++ b/services/surfaceflinger/BufferQueueLayer.h
@@ -56,8 +56,8 @@
 
     bool shouldPresentNow(nsecs_t expectedPresentTime) const override;
 
-    bool setFrameRate(float frameRate) override;
-    std::optional<float> getFrameRate() const override;
+    bool setFrameRate(FrameRate frameRate) override;
+    FrameRate getFrameRate() const override;
 
     // -----------------------------------------------------------------------
 
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index c86c538..ed18901 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -98,6 +98,8 @@
         }
     }
 
+    mPreviousReleaseFence = releaseFence;
+
     // Prevent tracing the same release multiple times.
     if (mPreviousFrameNumber != mPreviousReleasedFrameNumber) {
         mFlinger->mFrameTracer->traceFence(getSequence(), mPreviousBufferId, mPreviousFrameNumber,
@@ -111,7 +113,7 @@
     mTransformHint = orientation;
 }
 
-void BufferStateLayer::releasePendingBuffer(nsecs_t /*dequeueReadyTime*/) {
+void BufferStateLayer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
     for (const auto& handle : mDrawingState.callbackHandles) {
         handle->transformHint = mTransformHint;
     }
@@ -120,6 +122,16 @@
             mDrawingState.callbackHandles);
 
     mDrawingState.callbackHandles = {};
+
+    const sp<Fence>& releaseFence(mPreviousReleaseFence);
+    std::shared_ptr<FenceTime> releaseFenceTime = std::make_shared<FenceTime>(releaseFence);
+    {
+        Mutex::Autolock lock(mFrameEventHistoryMutex);
+        if (mPreviousFrameNumber != 0) {
+            mFrameEventHistory.addRelease(mPreviousFrameNumber, dequeueReadyTime,
+                                          std::move(releaseFenceTime));
+        }
+    }
 }
 
 bool BufferStateLayer::shouldPresentNow(nsecs_t /*expectedPresentTime*/) const {
@@ -233,8 +245,21 @@
     return true;
 }
 
-bool BufferStateLayer::setBuffer(const sp<GraphicBuffer>& buffer, nsecs_t postTime,
-                                 nsecs_t desiredPresentTime, const client_cache_t& clientCacheId) {
+bool BufferStateLayer::updateFrameEventHistory(const sp<Fence>& acquireFence, nsecs_t postedTime,
+                                               nsecs_t desiredPresentTime) {
+    Mutex::Autolock lock(mFrameEventHistoryMutex);
+    mAcquireTimeline.updateSignalTimes();
+    std::shared_ptr<FenceTime> acquireFenceTime =
+            std::make_shared<FenceTime>((acquireFence ? acquireFence : Fence::NO_FENCE));
+    NewFrameEventsEntry newTimestamps = {mCurrentState.frameNumber, postedTime, desiredPresentTime,
+                                         acquireFenceTime};
+    mFrameEventHistory.addQueue(newTimestamps);
+    return true;
+}
+
+bool BufferStateLayer::setBuffer(const sp<GraphicBuffer>& buffer, const sp<Fence>& acquireFence,
+                                 nsecs_t postTime, nsecs_t desiredPresentTime,
+                                 const client_cache_t& clientCacheId) {
     if (mCurrentState.buffer) {
         mReleasePreviousBuffer = true;
     }
@@ -257,6 +282,7 @@
     mFlinger->mScheduler->recordLayerHistory(this,
                                              desiredPresentTime <= 0 ? 0 : desiredPresentTime);
 
+    updateFrameEventHistory(acquireFence, postTime, desiredPresentTime);
     return true;
 }
 
@@ -403,7 +429,14 @@
         return true;
     }
 
-    return getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
+    const bool fenceSignaled =
+            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
+    if (!fenceSignaled) {
+        mFlinger->mTimeStats->incrementLatchSkipped(getSequence(),
+                                                    TimeStats::LatchSkipReason::LateAcquire);
+    }
+
+    return fenceSignaled;
 }
 
 bool BufferStateLayer::framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const {
@@ -546,10 +579,14 @@
     return NO_ERROR;
 }
 
-status_t BufferStateLayer::updateFrameNumber(nsecs_t /*latchTime*/) {
+status_t BufferStateLayer::updateFrameNumber(nsecs_t latchTime) {
     // TODO(marissaw): support frame history events
     mPreviousFrameNumber = mCurrentFrameNumber;
     mCurrentFrameNumber = mDrawingState.frameNumber;
+    {
+        Mutex::Autolock lock(mFrameEventHistoryMutex);
+        mFrameEventHistory.addLatch(mCurrentFrameNumber, latchTime);
+    }
     return NO_ERROR;
 }
 
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 9427283..03d9684 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -68,8 +68,8 @@
     bool setTransformToDisplayInverse(bool transformToDisplayInverse) override;
     bool setCrop(const Rect& crop) override;
     bool setFrame(const Rect& frame) override;
-    bool setBuffer(const sp<GraphicBuffer>& buffer, nsecs_t postTime, nsecs_t desiredPresentTime,
-                   const client_cache_t& clientCacheId) override;
+    bool setBuffer(const sp<GraphicBuffer>& buffer, const sp<Fence>& acquireFence, nsecs_t postTime,
+                   nsecs_t desiredPresentTime, const client_cache_t& clientCacheId) override;
     bool setAcquireFence(const sp<Fence>& fence) override;
     bool setDataspace(ui::Dataspace dataspace) override;
     bool setHdrMetadata(const HdrMetadata& hdrMetadata) override;
@@ -109,6 +109,9 @@
     void gatherBufferInfo() override;
 
 private:
+    bool updateFrameEventHistory(const sp<Fence>& acquireFence, nsecs_t postedTime,
+                                 nsecs_t requestedPresentTime);
+
     uint64_t getFrameNumber(nsecs_t expectedPresentTime) const override;
 
     bool getAutoRefresh() const override;
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index f3fe159..6ff39b4 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -146,12 +146,12 @@
     return mCompositionDisplay->getState().dataspace;
 }
 
-void DisplayDevice::setLayerStack(uint32_t stack) {
+void DisplayDevice::setLayerStack(ui::LayerStack stack) {
     mCompositionDisplay->setLayerStackFilter(stack, isPrimary());
 }
 
-void DisplayDevice::setDisplaySize(const int newWidth, const int newHeight) {
-    mCompositionDisplay->setBounds(ui::Size(newWidth, newHeight));
+void DisplayDevice::setDisplaySize(int width, int height) {
+    mCompositionDisplay->setBounds(ui::Size(width, height));
 }
 
 void DisplayDevice::setProjection(ui::Rotation orientation, Rect viewport, Rect frame) {
@@ -289,7 +289,7 @@
     return mCompositionDisplay->getState().needsFiltering;
 }
 
-uint32_t DisplayDevice::getLayerStack() const {
+ui::LayerStack DisplayDevice::getLayerStack() const {
     return mCompositionDisplay->getState().layerStackId;
 }
 
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index 75c709e..f45feae 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -16,8 +16,6 @@
 
 #pragma once
 
-#include <stdlib.h>
-
 #include <memory>
 #include <optional>
 #include <string>
@@ -30,7 +28,7 @@
 #include <math/mat4.h>
 #include <renderengine/RenderEngine.h>
 #include <system/window.h>
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayState.h>
 #include <ui/GraphicTypes.h>
 #include <ui/HdrCapabilities.h>
 #include <ui/Region.h>
@@ -80,12 +78,12 @@
     // secure surfaces.
     bool isSecure() const;
 
-    int         getWidth() const;
-    int         getHeight() const;
+    int getWidth() const;
+    int getHeight() const;
+    ui::Size getSize() const { return {getWidth(), getHeight()}; }
 
-    void                    setLayerStack(uint32_t stack);
-    void                    setDisplaySize(const int newWidth, const int newHeight);
-
+    void setLayerStack(ui::LayerStack);
+    void setDisplaySize(int width, int height);
     void setProjection(ui::Rotation orientation, Rect viewport, Rect frame);
 
     ui::Rotation getPhysicalOrientation() const { return mPhysicalOrientation; }
@@ -98,7 +96,7 @@
     const Rect& getFrame() const;
     const Rect& getSourceClip() const;
     bool needsFiltering() const;
-    uint32_t getLayerStack() const;
+    ui::LayerStack getLayerStack() const;
 
     const std::optional<DisplayId>& getId() const;
     const wp<IBinder>& getDisplayToken() const { return mDisplayToken; }
@@ -185,7 +183,7 @@
     int32_t sequenceId = sNextSequenceId++;
     std::optional<DisplayId> displayId;
     sp<IGraphicBufferProducer> surface;
-    uint32_t layerStack = NO_LAYER_STACK;
+    ui::LayerStack layerStack = ui::NO_LAYER_STACK;
     Rect viewport;
     Rect frame;
     ui::Rotation orientation = ui::ROTATION_0;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index cedab59..cf1e8b0 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -117,7 +117,6 @@
     mCurrentState.frameRateSelectionPriority = PRIORITY_UNSET;
     mCurrentState.metadata = args.metadata;
     mCurrentState.shadowRadius = 0.f;
-    mCurrentState.frameRate = 0.f;
 
     // drawing state & current state are identical
     mDrawingState = mCurrentState;
@@ -1245,7 +1244,7 @@
     return true;
 }
 
-bool Layer::setFrameRate(float frameRate) {
+bool Layer::setFrameRate(FrameRate frameRate) {
     if (mCurrentState.frameRate == frameRate) {
         return false;
     }
@@ -1257,11 +1256,8 @@
     return true;
 }
 
-std::optional<float> Layer::getFrameRate() const {
-    const auto frameRate = getDrawingState().frameRate;
-    if (frameRate > 0.f || frameRate == FRAME_RATE_NO_VOTE) return frameRate;
-
-    return {};
+Layer::FrameRate Layer::getFrameRate() const {
+    return getDrawingState().frameRate;
 }
 
 void Layer::deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber) {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index da3df8f..f7907c3 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -136,6 +136,34 @@
         float radius = 0.0f;
     };
 
+    // FrameRateCompatibility specifies how we should interpret the frame rate associated with
+    // the layer.
+    enum class FrameRateCompatibility {
+        Default, // Layer didn't specify any specific handling strategy
+
+        ExactOrMultiple, // Layer needs the exact frame rate (or a multiple of it) to present the
+                         // content properly. Any other value will result in a pull down.
+
+        NoVote, // Layer doesn't have any requirements for the refresh rate and
+                // should not be considered when the display refresh rate is determined.
+    };
+
+    // Encapsulates the frame rate and compatibility of the layer. This information will be used
+    // when the display refresh rate is determined.
+    struct FrameRate {
+        float rate;
+        FrameRateCompatibility type;
+
+        FrameRate() : rate(0), type(FrameRateCompatibility::Default) {}
+        FrameRate(float rate, FrameRateCompatibility type) : rate(rate), type(type) {}
+
+        bool operator==(const FrameRate& other) const {
+            return rate == other.rate && type == other.type;
+        }
+
+        bool operator!=(const FrameRate& other) const { return !(*this == other); }
+    };
+
     struct State {
         Geometry active_legacy;
         Geometry requested_legacy;
@@ -227,7 +255,7 @@
         // Priority of the layer assigned by Window Manager.
         int32_t frameRateSelectionPriority;
 
-        float frameRate;
+        FrameRate frameRate;
     };
 
     explicit Layer(const LayerCreationArgs& args);
@@ -329,8 +357,8 @@
     virtual bool setTransformToDisplayInverse(bool /*transformToDisplayInverse*/) { return false; };
     virtual bool setCrop(const Rect& /*crop*/) { return false; };
     virtual bool setFrame(const Rect& /*frame*/) { return false; };
-    virtual bool setBuffer(const sp<GraphicBuffer>& /*buffer*/, nsecs_t /*postTime*/,
-                           nsecs_t /*desiredPresentTime*/,
+    virtual bool setBuffer(const sp<GraphicBuffer>& /*buffer*/, const sp<Fence>& /*acquireFence*/,
+                           nsecs_t /*postTime*/, nsecs_t /*desiredPresentTime*/,
                            const client_cache_t& /*clientCacheId*/) {
         return false;
     };
@@ -754,9 +782,8 @@
      */
     Rect getCroppedBufferSize(const Layer::State& s) const;
 
-    constexpr static auto FRAME_RATE_NO_VOTE = -1.0f;
-    virtual bool setFrameRate(float frameRate);
-    virtual std::optional<float> getFrameRate() const;
+    virtual bool setFrameRate(FrameRate frameRate);
+    virtual FrameRate getFrameRate() const;
 
 protected:
     // constant
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index d3d9d3a..682679c 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -155,7 +155,7 @@
 
     Mutex::Autolock _l(mFlinger.mStateLock);
     mLayer = mClient->getLayerUser(mIBinder);
-    mLayer->setFrameRate(Layer::FRAME_RATE_NO_VOTE);
+    mLayer->setFrameRate(Layer::FrameRate(0, Layer::FrameRateCompatibility::NoVote));
 
     // setting Layer's Z requires resorting layersSortedByZ
     ssize_t idx = mFlinger.mCurrentState.layersSortedByZ.indexOf(mLayer);
@@ -208,7 +208,7 @@
     const int32_t buttom = top + display->getHeight() / 32;
 
     auto buffer = mBufferCache[refreshRate.fps];
-    mLayer->setBuffer(buffer, 0, 0, {});
+    mLayer->setBuffer(buffer, Fence::NO_FENCE, 0, 0, {});
 
     mLayer->setFrame(Rect(left, top, right, buttom));
 
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index b976523..9aada11 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -39,7 +39,7 @@
 namespace {
 
 bool isLayerActive(const Layer& layer, const LayerInfo& info, nsecs_t threshold) {
-    if (layer.getFrameRate().has_value()) {
+    if (layer.getFrameRate().rate > 0) {
         return layer.isVisible();
     }
     return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
@@ -126,18 +126,27 @@
         // Only use the layer if the reference still exists.
         if (layer || CC_UNLIKELY(mTraceEnabled)) {
             // Check if frame rate was set on layer.
-            auto frameRate = layer->getFrameRate();
-            if (frameRate.has_value() && frameRate.value() > 0.f) {
-                summary.push_back(
-                        {layer->getName(), LayerVoteType::Explicit, *frameRate, /* weight */ 1.0f});
+            const auto frameRate = layer->getFrameRate();
+            if (frameRate.rate > 0.f) {
+                const auto voteType = [&]() {
+                    switch (frameRate.type) {
+                        case Layer::FrameRateCompatibility::Default:
+                            return LayerVoteType::ExplicitDefault;
+                        case Layer::FrameRateCompatibility::ExactOrMultiple:
+                            return LayerVoteType::ExplicitExactOrMultiple;
+                        case Layer::FrameRateCompatibility::NoVote:
+                            return LayerVoteType::NoVote;
+                    }
+                }();
+                summary.push_back({layer->getName(), voteType, frameRate.rate, /* weight */ 1.0f});
             } else if (recent) {
-                frameRate = info->getRefreshRate(now);
-                summary.push_back({layer->getName(), LayerVoteType::Heuristic, *frameRate,
+                summary.push_back({layer->getName(), LayerVoteType::Heuristic,
+                                   info->getRefreshRate(now),
                                    /* weight */ 1.0f});
             }
 
             if (CC_UNLIKELY(mTraceEnabled)) {
-                trace(weakLayer, round<int>(*frameRate));
+                trace(weakLayer, round<int>(frameRate.rate));
             }
         }
     }
diff --git a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
index a6d2c74..ce085f4 100644
--- a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
@@ -40,7 +40,7 @@
 namespace {
 
 bool isLayerActive(const Layer& layer, const LayerInfoV2& info, nsecs_t threshold) {
-    if (layer.getFrameRate().has_value()) {
+    if (layer.getFrameRate().rate > 0) {
         return layer.isVisible();
     }
     return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
@@ -63,13 +63,17 @@
     const auto& name = layer->getName();
     const auto noVoteTag = "LFPS NoVote " + name;
     const auto heuristicVoteTag = "LFPS Heuristic " + name;
-    const auto explicitVoteTag = "LFPS Explicit " + name;
+    const auto explicitDefaultVoteTag = "LFPS ExplicitDefault" + name;
+    const auto explicitExactOrMultipleVoteTag = "LFPS ExplicitExactOrMultiple" + name;
     const auto minVoteTag = "LFPS Min " + name;
     const auto maxVoteTag = "LFPS Max " + name;
 
     ATRACE_INT(noVoteTag.c_str(), type == LayerHistory::LayerVoteType::NoVote ? 1 : 0);
     ATRACE_INT(heuristicVoteTag.c_str(), type == LayerHistory::LayerVoteType::Heuristic ? fps : 0);
-    ATRACE_INT(explicitVoteTag.c_str(), type == LayerHistory::LayerVoteType::Explicit ? fps : 0);
+    ATRACE_INT(explicitDefaultVoteTag.c_str(),
+               type == LayerHistory::LayerVoteType::ExplicitDefault ? fps : 0);
+    ATRACE_INT(explicitExactOrMultipleVoteTag.c_str(),
+               type == LayerHistory::LayerVoteType::ExplicitExactOrMultiple ? fps : 0);
     ATRACE_INT(minVoteTag.c_str(), type == LayerHistory::LayerVoteType::Min ? 1 : 0);
     ATRACE_INT(maxVoteTag.c_str(), type == LayerHistory::LayerVoteType::Max ? 1 : 0);
 
@@ -160,12 +164,18 @@
             i++;
             // Set layer vote if set
             const auto frameRate = layer->getFrameRate();
-            if (frameRate.has_value()) {
-                if (*frameRate == Layer::FRAME_RATE_NO_VOTE) {
-                    info->setLayerVote(LayerVoteType::NoVote, 0.f);
-                } else {
-                    info->setLayerVote(LayerVoteType::Explicit, *frameRate);
+            const auto voteType = [&]() {
+                switch (frameRate.type) {
+                    case Layer::FrameRateCompatibility::Default:
+                        return LayerVoteType::ExplicitDefault;
+                    case Layer::FrameRateCompatibility::ExactOrMultiple:
+                        return LayerVoteType::ExplicitExactOrMultiple;
+                    case Layer::FrameRateCompatibility::NoVote:
+                        return LayerVoteType::NoVote;
                 }
+            }();
+            if (frameRate.rate > 0 || voteType == LayerVoteType::NoVote) {
+                info->setLayerVote(voteType, frameRate.rate);
             } else {
                 info->resetLayerVote();
             }
diff --git a/services/surfaceflinger/Scheduler/LayerInfoV2.cpp b/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
index f309d4d..345b8f9 100644
--- a/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
+++ b/services/surfaceflinger/Scheduler/LayerInfoV2.cpp
@@ -54,21 +54,40 @@
     return mFrameTimes.back().queueTime >= getActiveLayerThreshold(now);
 }
 
+bool LayerInfoV2::isFrameTimeValid(const FrameTimeData& frameTime) const {
+    return frameTime.queueTime >= std::chrono::duration_cast<std::chrono::nanoseconds>(
+                                          mFrameTimeValidSince.time_since_epoch())
+                                          .count();
+}
+
 bool LayerInfoV2::isFrequent(nsecs_t now) const {
-    // Assume layer is infrequent if too few present times have been recorded.
+    // If we know nothing about this layer we consider it as frequent as it might be the start
+    // of an animation.
     if (mFrameTimes.size() < FREQUENT_LAYER_WINDOW_SIZE) {
-        return false;
+        return true;
     }
 
     // Layer is frequent if the earliest value in the window of most recent present times is
     // within threshold.
     const auto it = mFrameTimes.end() - FREQUENT_LAYER_WINDOW_SIZE;
+    if (!isFrameTimeValid(*it)) {
+        return true;
+    }
+
     const nsecs_t threshold = now - MAX_FREQUENT_LAYER_PERIOD_NS.count();
     return it->queueTime >= threshold;
 }
 
 bool LayerInfoV2::hasEnoughDataForHeuristic() const {
     // The layer had to publish at least HISTORY_SIZE or HISTORY_TIME of updates
+    if (mFrameTimes.size() < 2) {
+        return false;
+    }
+
+    if (!isFrameTimeValid(mFrameTimes.front())) {
+        return false;
+    }
+
     if (mFrameTimes.size() < HISTORY_SIZE &&
         mFrameTimes.back().queueTime - mFrameTimes.front().queueTime < HISTORY_TIME.count()) {
         return false;
diff --git a/services/surfaceflinger/Scheduler/LayerInfoV2.h b/services/surfaceflinger/Scheduler/LayerInfoV2.h
index 564f05e..90f6310 100644
--- a/services/surfaceflinger/Scheduler/LayerInfoV2.h
+++ b/services/surfaceflinger/Scheduler/LayerInfoV2.h
@@ -82,12 +82,25 @@
     // updated time, the updated time is the present time.
     nsecs_t getLastUpdatedTime() const { return mLastUpdatedTime; }
 
-    void clearHistory() { mFrameTimes.clear(); }
+    void clearHistory() {
+        // Mark mFrameTimeValidSince to now to ignore all previous frame times.
+        // We are not deleting the old frame to keep track of whether we should treat the first
+        // buffer as Max as we don't know anything about this layer or Min as this layer is
+        // posting infrequent updates.
+        mFrameTimeValidSince = std::chrono::steady_clock::now();
+    }
 
 private:
+    // Used to store the layer timestamps
+    struct FrameTimeData {
+        nsecs_t presetTime; // desiredPresentTime, if provided
+        nsecs_t queueTime;  // buffer queue time
+    };
+
     bool isFrequent(nsecs_t now) const;
     bool hasEnoughDataForHeuristic() const;
     std::optional<float> calculateRefreshRateIfPossible();
+    bool isFrameTimeValid(const FrameTimeData&) const;
 
     // Used for sanitizing the heuristic data
     const nsecs_t mHighRefreshRatePeriod;
@@ -103,12 +116,9 @@
         float fps;
     } mLayerVote;
 
-    // Used to store the layer timestamps
-    struct FrameTimeData {
-        nsecs_t presetTime; // desiredPresentTime, if provided
-        nsecs_t queueTime;  // buffer queue time
-    };
     std::deque<FrameTimeData> mFrameTimes;
+    std::chrono::time_point<std::chrono::steady_clock> mFrameTimeValidSince =
+            std::chrono::steady_clock::now();
     static constexpr size_t HISTORY_SIZE = 90;
     static constexpr std::chrono::nanoseconds HISTORY_TIME = 1s;
 };
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index e4b0287..0f55615 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -37,7 +37,8 @@
     int explicitContentFramerate = 0;
     for (const auto& layer : layers) {
         const auto desiredRefreshRateRound = round<int>(layer.desiredRefreshRate);
-        if (layer.vote == LayerVoteType::Explicit) {
+        if (layer.vote == LayerVoteType::ExplicitDefault ||
+            layer.vote == LayerVoteType::ExplicitExactOrMultiple) {
             if (desiredRefreshRateRound > explicitContentFramerate) {
                 explicitContentFramerate = desiredRefreshRateRound;
             }
@@ -94,7 +95,8 @@
     int noVoteLayers = 0;
     int minVoteLayers = 0;
     int maxVoteLayers = 0;
-    int explicitVoteLayers = 0;
+    int explicitDefaultVoteLayers = 0;
+    int explicitExactOrMultipleVoteLayers = 0;
     for (const auto& layer : layers) {
         if (layer.vote == LayerVoteType::NoVote)
             noVoteLayers++;
@@ -102,8 +104,10 @@
             minVoteLayers++;
         else if (layer.vote == LayerVoteType::Max)
             maxVoteLayers++;
-        else if (layer.vote == LayerVoteType::Explicit)
-            explicitVoteLayers++;
+        else if (layer.vote == LayerVoteType::ExplicitDefault)
+            explicitDefaultVoteLayers++;
+        else if (layer.vote == LayerVoteType::ExplicitExactOrMultiple)
+            explicitExactOrMultipleVoteLayers++;
     }
 
     // Only if all layers want Min we should return Min
@@ -112,7 +116,7 @@
     }
 
     // If we have some Max layers and no Explicit we should return Max
-    if (maxVoteLayers > 0 && explicitVoteLayers == 0) {
+    if (maxVoteLayers > 0 && explicitDefaultVoteLayers + explicitExactOrMultipleVoteLayers == 0) {
         return *mAvailableRefreshRates.back();
     }
 
@@ -131,9 +135,22 @@
             continue;
         }
 
-        // If we have Explicit layers, ignore the Hueristic ones
-        if (explicitVoteLayers > 0 && layer.vote == LayerVoteType::Heuristic) {
-            continue;
+        // Adjust the weight in case we have explicit layers. The priority is:
+        //  - ExplicitExactOrMultiple
+        //  - ExplicitDefault
+        //  - Heuristic
+        auto weight = layer.weight;
+        if (explicitExactOrMultipleVoteLayers + explicitDefaultVoteLayers > 0) {
+            if (layer.vote == LayerVoteType::Heuristic) {
+                weight /= 2.f;
+            }
+        }
+
+        if (explicitExactOrMultipleVoteLayers > 0) {
+            if (layer.vote == LayerVoteType::Heuristic ||
+                layer.vote == LayerVoteType::ExplicitDefault) {
+                weight /= 2.f;
+            }
         }
 
         for (auto& [refreshRate, overallScore] : scores) {
@@ -152,10 +169,10 @@
             static constexpr size_t MAX_FRAMES_TO_FIT = 10; // Stop calculating when score < 0.1
             if (displayFramesRem == 0) {
                 // Layer desired refresh rate matches the display rate.
-                layerScore = layer.weight * 1.0f;
+                layerScore = weight * 1.0f;
             } else if (displayFramesQuot == 0) {
                 // Layer desired refresh rate is higher the display rate.
-                layerScore = layer.weight *
+                layerScore = weight *
                         (static_cast<float>(layerPeriod) / static_cast<float>(displayPeriod)) *
                         (1.0f / (MAX_FRAMES_TO_FIT + 1));
             } else {
@@ -168,11 +185,11 @@
                     iter++;
                 }
 
-                layerScore = layer.weight * (1.0f / iter);
+                layerScore = weight * (1.0f / iter);
             }
 
-            ALOGV("%s (weight %.2f) %.2fHz gives %s score of %.2f", layer.name.c_str(),
-                  layer.weight, 1e9f / layerPeriod, refreshRate->name.c_str(), layerScore);
+            ALOGV("%s (weight %.2f) %.2fHz gives %s score of %.2f", layer.name.c_str(), weight,
+                  1e9f / layerPeriod, refreshRate->name.c_str(), layerScore);
             overallScore += layerScore;
         }
     }
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index 80d42cc..c4dea0d 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -99,11 +99,14 @@
 
     // Describes the different options the layer voted for refresh rate
     enum class LayerVoteType {
-        NoVote,    // Doesn't care about the refresh rate
-        Min,       // Minimal refresh rate available
-        Max,       // Maximal refresh rate available
-        Heuristic, // Specific refresh rate that was calculated by platform using a heuristic
-        Explicit,  // Specific refresh rate that was provided by the app
+        NoVote,          // Doesn't care about the refresh rate
+        Min,             // Minimal refresh rate available
+        Max,             // Maximal refresh rate available
+        Heuristic,       // Specific refresh rate that was calculated by platform using a heuristic
+        ExplicitDefault, // Specific refresh rate that was provided by the app with Default
+                         // compatibility
+        ExplicitExactOrMultiple // Specific refresh rate that was provided by the app with
+                                // ExactOrMultiple compatibility
     };
 
     // Captures the layer requirements for a refresh rate. This will be used to determine the
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 7de35af..9af81d6 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -408,7 +408,8 @@
                         "SurfaceView - "
                         "com.google.android.youtube/"
                         "com.google.android.apps.youtube.app.WatchWhileActivity#0") {
-                layer->setFrameRate(vote);
+                layer->setFrameRate(
+                        Layer::FrameRate(vote, Layer::FrameRateCompatibility::ExactOrMultiple));
             }
         }
     }
@@ -564,7 +565,8 @@
 
 bool Scheduler::layerHistoryHasClientSpecifiedFrameRate() {
     for (const auto& layer : mFeatures.contentRequirements) {
-        if (layer.vote == scheduler::RefreshRateConfigs::LayerVoteType::Explicit) {
+        if (layer.vote == scheduler::RefreshRateConfigs::LayerVoteType::ExplicitDefault ||
+            layer.vote == scheduler::RefreshRateConfigs::LayerVoteType::ExplicitExactOrMultiple) {
             return true;
         }
     }
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 61d197c..8492242 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -61,8 +61,10 @@
 #include <renderengine/RenderEngine.h>
 #include <ui/ColorSpace.h>
 #include <ui/DebugUtils.h>
+#include <ui/DisplayConfig.h>
 #include <ui/DisplayInfo.h>
 #include <ui/DisplayStatInfo.h>
+#include <ui/DisplayState.h>
 #include <ui/GraphicBufferAllocator.h>
 #include <ui/PixelFormat.h>
 #include <ui/UiConfig.h>
@@ -115,6 +117,7 @@
 #include "android-base/parseint.h"
 #include "android-base/stringprintf.h"
 
+#include <android/configuration.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/types.h>
@@ -182,6 +185,19 @@
     bool mLocked;
 };
 
+// TODO(b/141333600): Consolidate with HWC2::Display::Config::Builder::getDefaultDensity.
+constexpr float FALLBACK_DENSITY = ACONFIGURATION_DENSITY_TV / 160.f;
+
+float getDensityFromProperty(const char* property, bool required) {
+    char value[PROPERTY_VALUE_MAX];
+    const float density = property_get(property, value, nullptr) > 0 ? std::atof(value) : 0.f;
+    if (!density && required) {
+        ALOGE("%s must be defined as a build property", property);
+        return FALLBACK_DENSITY;
+    }
+    return density / 160.f;
+}
+
 // Currently we only support V0_SRGB and DISPLAY_P3 as composition preference.
 bool validateCompositionDataspace(Dataspace dataspace) {
     return dataspace == Dataspace::V0_SRGB || dataspace == Dataspace::DISPLAY_P3;
@@ -249,7 +265,8 @@
         mFrameTracer(std::make_unique<FrameTracer>()),
         mEventQueue(mFactory.createMessageQueue()),
         mCompositionEngine(mFactory.createCompositionEngine()),
-        mPendingSyncInputWindows(false) {}
+        mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),
+        mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)) {}
 
 SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipInitialization) {
     ALOGI("SurfaceFlinger is starting");
@@ -734,8 +751,56 @@
     return NO_ERROR;
 }
 
+status_t SurfaceFlinger::getDisplayState(const sp<IBinder>& displayToken, ui::DisplayState* state) {
+    if (!displayToken || !state) {
+        return BAD_VALUE;
+    }
+
+    Mutex::Autolock lock(mStateLock);
+
+    const auto display = getDisplayDeviceLocked(displayToken);
+    if (!display) {
+        return NAME_NOT_FOUND;
+    }
+
+    state->layerStack = display->getLayerStack();
+    state->orientation = display->getOrientation();
+
+    const Rect viewport = display->getViewport();
+    state->viewport = viewport.isValid() ? viewport.getSize() : display->getSize();
+
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::getDisplayInfo(const sp<IBinder>& displayToken, DisplayInfo* info) {
+    if (!displayToken || !info) {
+        return BAD_VALUE;
+    }
+
+    Mutex::Autolock lock(mStateLock);
+
+    const auto display = getDisplayDeviceLocked(displayToken);
+    if (!display) {
+        return NAME_NOT_FOUND;
+    }
+
+    if (display->isVirtual()) {
+        return INVALID_OPERATION;
+    }
+
+    if (mEmulatedDisplayDensity) {
+        info->density = mEmulatedDisplayDensity;
+    } else {
+        info->density = display->isPrimary() ? mInternalDisplayDensity : FALLBACK_DENSITY;
+    }
+
+    info->secure = display->isSecure();
+
+    return NO_ERROR;
+}
+
 status_t SurfaceFlinger::getDisplayConfigs(const sp<IBinder>& displayToken,
-                                           Vector<DisplayInfo>* configs) {
+                                           Vector<DisplayConfig>* configs) {
     if (!displayToken || !configs) {
         return BAD_VALUE;
     }
@@ -747,78 +812,42 @@
         return NAME_NOT_FOUND;
     }
 
-    // TODO: Not sure if display density should handled by SF any longer
-    class Density {
-        static float getDensityFromProperty(char const* propName) {
-            char property[PROPERTY_VALUE_MAX];
-            float density = 0.0f;
-            if (property_get(propName, property, nullptr) > 0) {
-                density = strtof(property, nullptr);
-            }
-            return density;
-        }
-    public:
-        static float getEmuDensity() {
-            return getDensityFromProperty("qemu.sf.lcd_density"); }
-        static float getBuildDensity()  {
-            return getDensityFromProperty("ro.sf.lcd_density"); }
-    };
+    const bool isInternal = (displayId == getInternalDisplayIdLocked());
 
     configs->clear();
 
     for (const auto& hwConfig : getHwComposer().getConfigs(*displayId)) {
-        DisplayInfo info = DisplayInfo();
+        DisplayConfig config;
 
-        float xdpi = hwConfig->getDpiX();
-        float ydpi = hwConfig->getDpiY();
+        auto width = hwConfig->getWidth();
+        auto height = hwConfig->getHeight();
 
-        info.w = hwConfig->getWidth();
-        info.h = hwConfig->getHeight();
-        // Default display viewport to display width and height
-        info.viewportW = info.w;
-        info.viewportH = info.h;
+        auto xDpi = hwConfig->getDpiX();
+        auto yDpi = hwConfig->getDpiY();
 
-        if (displayId == getInternalDisplayIdLocked()) {
-            // The density of the device is provided by a build property
-            float density = Density::getBuildDensity() / 160.0f;
-            if (density == 0) {
-                // the build doesn't provide a density -- this is wrong!
-                // use xdpi instead
-                ALOGE("ro.sf.lcd_density must be defined as a build property");
-                density = xdpi / 160.0f;
-            }
-            if (Density::getEmuDensity()) {
-                // if "qemu.sf.lcd_density" is specified, it overrides everything
-                xdpi = ydpi = density = Density::getEmuDensity();
-                density /= 160.0f;
-            }
-            info.density = density;
-
-            const auto display = getDefaultDisplayDeviceLocked();
-            info.orientation = display->getOrientation();
-
-            // This is for screenrecord
-            const Rect viewport = display->getViewport();
-            if (viewport.isValid()) {
-                info.viewportW = uint32_t(viewport.getWidth());
-                info.viewportH = uint32_t(viewport.getHeight());
-            }
-            info.layerStack = display->getLayerStack();
-        } else {
-            // TODO: where should this value come from?
-            static const int TV_DENSITY = 213;
-            info.density = TV_DENSITY / 160.0f;
-
-            const auto display = getDisplayDeviceLocked(displayToken);
-            info.layerStack = display->getLayerStack();
+        if (isInternal &&
+            (internalDisplayOrientation == ui::ROTATION_90 ||
+             internalDisplayOrientation == ui::ROTATION_270)) {
+            std::swap(width, height);
+            std::swap(xDpi, yDpi);
         }
 
-        info.xdpi = xdpi;
-        info.ydpi = ydpi;
-        info.fps = 1e9 / hwConfig->getVsyncPeriod();
+        config.resolution = ui::Size(width, height);
 
-        const auto offset = mPhaseConfiguration->getOffsetsForRefreshRate(info.fps);
-        info.appVsyncOffset = offset.late.app;
+        if (mEmulatedDisplayDensity) {
+            config.xDpi = mEmulatedDisplayDensity;
+            config.yDpi = mEmulatedDisplayDensity;
+        } else {
+            config.xDpi = xDpi;
+            config.yDpi = yDpi;
+        }
+
+        const nsecs_t period = hwConfig->getVsyncPeriod();
+        config.refreshRate = 1e9f / period;
+
+        const auto offsets = mPhaseConfiguration->getOffsetsForRefreshRate(config.refreshRate);
+        config.appVsyncOffset = offsets.late.app;
+        config.sfVsyncOffset = offsets.late.sf;
 
         // This is how far in advance a buffer must be queued for
         // presentation at a given time.  If you want a buffer to appear
@@ -832,18 +861,9 @@
         //
         // We add an additional 1ms to allow for processing time and
         // differences between the ideal and actual refresh rate.
-        info.presentationDeadline = hwConfig->getVsyncPeriod() - offset.late.sf + 1000000;
+        config.presentationDeadline = period - config.sfVsyncOffset + 1000000;
 
-        // All non-virtual displays are currently considered secure.
-        info.secure = true;
-
-        if (displayId == getInternalDisplayIdLocked() &&
-            (internalDisplayOrientation == ui::ROTATION_90 ||
-             internalDisplayOrientation == ui::ROTATION_270)) {
-            std::swap(info.w, info.h);
-        }
-
-        configs->push_back(info);
+        configs->push_back(config);
     }
 
     return NO_ERROR;
@@ -3535,7 +3555,9 @@
         }
     }
     if (what & layer_state_t::eFrameRateChanged) {
-        if (layer->setFrameRate(s.frameRate)) flags |= eTraversalNeeded;
+        if (layer->setFrameRate(
+                    Layer::FrameRate(s.frameRate, Layer::FrameRateCompatibility::Default)))
+            flags |= eTraversalNeeded;
     }
     // This has to happen after we reparent children because when we reparent to null we remove
     // child layers from current state and remove its relative z. If the children are reparented in
@@ -3577,7 +3599,8 @@
         buffer = s.buffer;
     }
     if (buffer) {
-        if (layer->setBuffer(buffer, postTime, desiredPresentTime, s.cachedBuffer)) {
+        if (layer->setBuffer(buffer, s.acquireFence, postTime, desiredPresentTime,
+                             s.cachedBuffer)) {
             flags |= eTraversalNeeded;
         }
     }
@@ -4614,7 +4637,9 @@
         case GET_PHYSICAL_DISPLAY_TOKEN:
         case GET_DISPLAY_COLOR_MODES:
         case GET_DISPLAY_NATIVE_PRIMARIES:
+        case GET_DISPLAY_INFO:
         case GET_DISPLAY_CONFIGS:
+        case GET_DISPLAY_STATE:
         case GET_DISPLAY_STATS:
         case GET_SUPPORTED_FRAME_TIMESTAMPS:
         // Calling setTransactionState is safe, because you need to have been
@@ -4644,12 +4669,6 @@
             }
             return OK;
         }
-        // The following codes are deprecated and should never be allowed to access SF.
-        case CONNECT_DISPLAY_UNUSED:
-        case CREATE_GRAPHIC_BUFFER_ALLOC_UNUSED: {
-            ALOGE("Attempting to access SurfaceFlinger with unused code: %u", code);
-            return PERMISSION_DENIED;
-        }
         case CAPTURE_SCREEN_BY_ID: {
             IPCThreadState* ipc = IPCThreadState::self();
             const int uid = ipc->getCallingUid();
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4c8775d..ccf5794 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -434,13 +434,13 @@
             float frameScale, bool childrenOnly) override;
 
     status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* stats) override;
-    status_t getDisplayConfigs(const sp<IBinder>& displayToken,
-                               Vector<DisplayInfo>* configs) override;
+    status_t getDisplayState(const sp<IBinder>& displayToken, ui::DisplayState*) override;
+    status_t getDisplayInfo(const sp<IBinder>& displayToken, DisplayInfo*) override;
+    status_t getDisplayConfigs(const sp<IBinder>& displayToken, Vector<DisplayConfig>*) override;
     int getActiveConfig(const sp<IBinder>& displayToken) override;
-    status_t getDisplayColorModes(const sp<IBinder>& displayToken,
-                                  Vector<ui::ColorMode>* configs) override;
+    status_t getDisplayColorModes(const sp<IBinder>& displayToken, Vector<ui::ColorMode>*) override;
     status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken,
-                                       ui::DisplayPrimaries &primaries);
+                                       ui::DisplayPrimaries&) override;
     ui::ColorMode getActiveColorMode(const sp<IBinder>& displayToken) override;
     status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode) override;
     status_t getAutoLowLatencyModeSupport(const sp<IBinder>& displayToken,
@@ -1165,6 +1165,9 @@
     sp<RegionSamplingThread> mRegionSamplingThread;
     ui::DisplayPrimaries mInternalDisplayPrimaries;
 
+    const float mInternalDisplayDensity;
+    const float mEmulatedDisplayDensity;
+
     sp<IInputFlinger> mInputFlinger;
     InputWindowCommands mPendingInputWindowCommands GUARDED_BY(mStateLock);
     // Should only be accessed by the main thread.
@@ -1181,7 +1184,7 @@
 
     const sp<SetInputWindowsListener> mSetInputWindowsListener = new SetInputWindowsListener(this);
 
-    bool mPendingSyncInputWindows GUARDED_BY(mStateLock);
+    bool mPendingSyncInputWindows GUARDED_BY(mStateLock) = false;
     Hwc2::impl::PowerAdvisor mPowerAdvisor;
 
     // This should only be accessed on the main thread.
diff --git a/services/surfaceflinger/TEST_MAPPING b/services/surfaceflinger/TEST_MAPPING
index eed975e..cab33ae 100644
--- a/services/surfaceflinger/TEST_MAPPING
+++ b/services/surfaceflinger/TEST_MAPPING
@@ -1,13 +1,7 @@
 {
   "presubmit": [
     {
-      "name": "libsurfaceflinger_unittest",
-      // TODO(b/148517641): re-enable once this test is fixed
-      "options": [
-          {
-	      "exclude-filter": "FrameTracerTest.*"
-	  }
-      ]
+      "name": "libsurfaceflinger_unittest"
     },
     {
       "name": "libcompositionengine_test"
diff --git a/services/surfaceflinger/TimeStats/TimeStats.cpp b/services/surfaceflinger/TimeStats/TimeStats.cpp
index 130e99a..fdf8a41 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.cpp
+++ b/services/surfaceflinger/TimeStats/TimeStats.cpp
@@ -363,7 +363,12 @@
             TimeStatsHelper::TimeStatsLayer& timeStatsLayer = mTimeStats.stats[layerName];
             timeStatsLayer.totalFrames++;
             timeStatsLayer.droppedFrames += layerRecord.droppedFrames;
+            timeStatsLayer.lateAcquireFrames += layerRecord.lateAcquireFrames;
+            timeStatsLayer.badDesiredPresentFrames += layerRecord.badDesiredPresentFrames;
+
             layerRecord.droppedFrames = 0;
+            layerRecord.lateAcquireFrames = 0;
+            layerRecord.badDesiredPresentFrames = 0;
 
             const int32_t postToAcquireMs = msBetween(timeRecords[0].frameTime.postTime,
                                                       timeRecords[0].frameTime.acquireTime);
@@ -477,6 +482,36 @@
     }
 }
 
+void TimeStats::incrementLatchSkipped(int32_t layerId, LatchSkipReason reason) {
+    if (!mEnabled.load()) return;
+
+    ATRACE_CALL();
+    ALOGV("[%d]-LatchSkipped-Reason[%d]", layerId,
+          static_cast<std::underlying_type<LatchSkipReason>::type>(reason));
+
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (!mTimeStatsTracker.count(layerId)) return;
+    LayerRecord& layerRecord = mTimeStatsTracker[layerId];
+
+    switch (reason) {
+        case LatchSkipReason::LateAcquire:
+            layerRecord.lateAcquireFrames++;
+            break;
+    }
+}
+
+void TimeStats::incrementBadDesiredPresent(int32_t layerId) {
+    if (!mEnabled.load()) return;
+
+    ATRACE_CALL();
+    ALOGV("[%d]-BadDesiredPresent", layerId);
+
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (!mTimeStatsTracker.count(layerId)) return;
+    LayerRecord& layerRecord = mTimeStatsTracker[layerId];
+    layerRecord.badDesiredPresentFrames++;
+}
+
 void TimeStats::setDesiredTime(int32_t layerId, uint64_t frameNumber, nsecs_t desiredTime) {
     if (!mEnabled.load()) return;
 
diff --git a/services/surfaceflinger/TimeStats/TimeStats.h b/services/surfaceflinger/TimeStats/TimeStats.h
index 67b9d10..7f58725 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.h
+++ b/services/surfaceflinger/TimeStats/TimeStats.h
@@ -70,6 +70,18 @@
     virtual void setPostTime(int32_t layerId, uint64_t frameNumber, const std::string& layerName,
                              nsecs_t postTime) = 0;
     virtual void setLatchTime(int32_t layerId, uint64_t frameNumber, nsecs_t latchTime) = 0;
+    // Reasons why latching a particular buffer may be skipped
+    enum class LatchSkipReason {
+        // If the acquire fence did not fire on some devices we skip latching
+        // the buffer until the fence fires.
+        LateAcquire,
+    };
+    // Increments the counter of skipped latch buffers.
+    virtual void incrementLatchSkipped(int32_t layerId, LatchSkipReason reason) = 0;
+    // Increments the counter of bad desired present times for this layer.
+    // Bad desired present times are "implausible" and cause SurfaceFlinger to
+    // latch a buffer immediately to avoid stalling.
+    virtual void incrementBadDesiredPresent(int32_t layerId) = 0;
     virtual void setDesiredTime(int32_t layerId, uint64_t frameNumber, nsecs_t desiredTime) = 0;
     virtual void setAcquireTime(int32_t layerId, uint64_t frameNumber, nsecs_t acquireTime) = 0;
     virtual void setAcquireFence(int32_t layerId, uint64_t frameNumber,
@@ -116,6 +128,8 @@
         // fences to signal, but rather waiting to receive those fences/timestamps.
         int32_t waitData = -1;
         uint32_t droppedFrames = 0;
+        uint32_t lateAcquireFrames = 0;
+        uint32_t badDesiredPresentFrames = 0;
         TimeRecord prevTimeRecord;
         std::deque<TimeRecord> timeRecords;
     };
@@ -202,6 +216,8 @@
     void setPostTime(int32_t layerId, uint64_t frameNumber, const std::string& layerName,
                      nsecs_t postTime) override;
     void setLatchTime(int32_t layerId, uint64_t frameNumber, nsecs_t latchTime) override;
+    void incrementLatchSkipped(int32_t layerId, LatchSkipReason reason) override;
+    void incrementBadDesiredPresent(int32_t layerId) override;
     void setDesiredTime(int32_t layerId, uint64_t frameNumber, nsecs_t desiredTime) override;
     void setAcquireTime(int32_t layerId, uint64_t frameNumber, nsecs_t acquireTime) override;
     void setAcquireFence(int32_t layerId, uint64_t frameNumber,
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
index 0ba90e2..e2f85cc 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
@@ -83,6 +83,8 @@
     StringAppendF(&result, "packageName = %s\n", packageName.c_str());
     StringAppendF(&result, "totalFrames = %d\n", totalFrames);
     StringAppendF(&result, "droppedFrames = %d\n", droppedFrames);
+    StringAppendF(&result, "lateAcquireFrames = %d\n", lateAcquireFrames);
+    StringAppendF(&result, "badDesiredPresentFrames = %d\n", badDesiredPresentFrames);
     const auto iter = deltas.find("present2present");
     if (iter != deltas.end()) {
         StringAppendF(&result, "averageFPS = %.3f\n", 1000.0 / iter->second.averageTime());
@@ -112,8 +114,14 @@
     StringAppendF(&result, "totalP2PTime = %" PRId64 " ms\n", presentToPresent.totalTime());
     StringAppendF(&result, "presentToPresent histogram is as below:\n");
     result.append(presentToPresent.toString());
+    const float averageFrameDuration = frameDuration.averageTime();
+    StringAppendF(&result, "averageFrameDuration = %.3f ms\n",
+                  std::isnan(averageFrameDuration) ? 0.0f : averageFrameDuration);
     StringAppendF(&result, "frameDuration histogram is as below:\n");
     result.append(frameDuration.toString());
+    const float averageRenderEngineTiming = renderEngineTiming.averageTime();
+    StringAppendF(&result, "averageRenderEngineTiming = %.3f ms\n",
+                  std::isnan(averageRenderEngineTiming) ? 0.0f : averageRenderEngineTiming);
     StringAppendF(&result, "renderEngineTiming histogram is as below:\n");
     result.append(renderEngineTiming.toString());
     const auto dumpStats = generateDumpStats(maxLayers);
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
index 702c50e..e374b73 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
+++ b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
@@ -46,6 +46,8 @@
         std::string packageName;
         int32_t totalFrames = 0;
         int32_t droppedFrames = 0;
+        int32_t lateAcquireFrames = 0;
+        int32_t badDesiredPresentFrames = 0;
         std::unordered_map<std::string, Histogram> deltas;
 
         std::string toString() const;
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index f339ab0..507d28b 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -1,20 +1,15 @@
-#include <algorithm>
-#include <functional>
-#include <limits>
-#include <ostream>
-
 #include <gtest/gtest.h>
-
 #include <gui/ISurfaceComposer.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
-
 #include <private/android_filesystem_config.h>
 #include <private/gui/ComposerService.h>
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 #include <utils/String8.h>
 
+#include <functional>
+
 namespace android {
 
 using Transaction = SurfaceComposerClient::Transaction;
@@ -67,14 +62,13 @@
         mDisplay = SurfaceComposerClient::getInternalDisplayToken();
         ASSERT_FALSE(mDisplay == nullptr);
 
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mDisplay, &info));
-        const ssize_t displayWidth = info.w;
-        const ssize_t displayHeight = info.h;
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(mDisplay, &config));
 
         // Background surface
         mBGSurfaceControl =
-                mComposerClient->createSurface(SURFACE_NAME, displayWidth, displayHeight,
+                mComposerClient->createSurface(SURFACE_NAME, config.resolution.getWidth(),
+                                               config.resolution.getHeight(),
                                                PIXEL_FORMAT_RGBA_8888, 0);
         ASSERT_TRUE(mBGSurfaceControl != nullptr);
         ASSERT_TRUE(mBGSurfaceControl->isValid());
@@ -188,10 +182,10 @@
     const auto display = SurfaceComposerClient::getInternalDisplayToken();
     ASSERT_TRUE(display != nullptr);
 
-    DisplayInfo info;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
+    DisplayConfig config;
+    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
 
-    Vector<DisplayInfo> configs;
+    Vector<DisplayConfig> configs;
     ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayConfigs(display, &configs));
 
     ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveConfig(display));
@@ -255,17 +249,6 @@
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
 }
 
-TEST_F(CredentialsTest, DISABLED_DestroyDisplayTest) {
-    setupVirtualDisplay();
-
-    DisplayInfo info;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mVirtualDisplay, &info));
-    SurfaceComposerClient::destroyDisplay(mVirtualDisplay);
-    // This test currently fails. TODO(b/112002626): Find a way to properly create
-    // a display in the test environment, so that destroy display can remove it.
-    ASSERT_EQ(NAME_NOT_FOUND, SurfaceComposerClient::getDisplayInfo(mVirtualDisplay, &info));
-}
-
 TEST_F(CredentialsTest, CaptureTest) {
     const auto display = SurfaceComposerClient::getInternalDisplayToken();
     std::function<status_t()> condition = [=]() {
diff --git a/services/surfaceflinger/tests/DisplayConfigs_test.cpp b/services/surfaceflinger/tests/DisplayConfigs_test.cpp
index 3aa4474..0ed2ffb 100644
--- a/services/surfaceflinger/tests/DisplayConfigs_test.cpp
+++ b/services/surfaceflinger/tests/DisplayConfigs_test.cpp
@@ -46,24 +46,25 @@
                                                                        &initialMin, &initialMax);
     ASSERT_EQ(res, NO_ERROR);
 
-    Vector<DisplayInfo> configs;
+    Vector<DisplayConfig> configs;
     res = SurfaceComposerClient::getDisplayConfigs(mDisplayToken, &configs);
     ASSERT_EQ(res, NO_ERROR);
 
     for (size_t i = 0; i < configs.size(); i++) {
-        res = SurfaceComposerClient::setDesiredDisplayConfigSpecs(mDisplayToken, i, configs[i].fps,
-                                                                  configs[i].fps);
+        res = SurfaceComposerClient::setDesiredDisplayConfigSpecs(mDisplayToken, i,
+                                                                  configs[i].refreshRate,
+                                                                  configs[i].refreshRate);
         ASSERT_EQ(res, NO_ERROR);
 
         int defaultConfig;
-        float minFps;
-        float maxFps;
+        float minRefreshRate;
+        float maxRefreshRate;
         res = SurfaceComposerClient::getDesiredDisplayConfigSpecs(mDisplayToken, &defaultConfig,
-                                                                  &minFps, &maxFps);
+                                                                  &minRefreshRate, &maxRefreshRate);
         ASSERT_EQ(res, NO_ERROR);
         ASSERT_EQ(defaultConfig, i);
-        ASSERT_EQ(minFps, configs[i].fps);
-        ASSERT_EQ(maxFps, configs[i].fps);
+        ASSERT_EQ(minRefreshRate, configs[i].refreshRate);
+        ASSERT_EQ(maxRefreshRate, configs[i].refreshRate);
     }
 
     res = SurfaceComposerClient::setDesiredDisplayConfigSpecs(mDisplayToken, initialDefaultConfig,
diff --git a/services/surfaceflinger/tests/IPC_test.cpp b/services/surfaceflinger/tests/IPC_test.cpp
index 8a756a6..4023c66 100644
--- a/services/surfaceflinger/tests/IPC_test.cpp
+++ b/services/surfaceflinger/tests/IPC_test.cpp
@@ -14,24 +14,20 @@
  * limitations under the License.
  */
 
-#include <gtest/gtest.h>
-
 #include <binder/IInterface.h>
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
 #include <binder/ProcessState.h>
-
+#include <gtest/gtest.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
+#include <ui/DisplayConfig.h>
+#include <utils/String8.h>
 
 #include <limits>
 
-#include <ui/DisplayInfo.h>
-
-#include <utils/String8.h>
-
 #include "BufferGenerator.h"
 #include "utils/CallbackUtils.h"
 #include "utils/ColorUtils.h"
@@ -231,10 +227,10 @@
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
         mPrimaryDisplay = mClient->getInternalDisplayToken();
-        DisplayInfo info;
-        mClient->getDisplayInfo(mPrimaryDisplay, &info);
-        mDisplayWidth = info.w;
-        mDisplayHeight = info.h;
+        DisplayConfig config;
+        mClient->getActiveDisplayConfig(mPrimaryDisplay, &config);
+        mDisplayWidth = config.resolution.getWidth();
+        mDisplayHeight = config.resolution.getHeight();
 
         Transaction setupTransaction;
         setupTransaction.setDisplayLayerStack(mPrimaryDisplay, 0);
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
index f7a6d96..5eb1739 100644
--- a/services/surfaceflinger/tests/LayerTransactionTest.h
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -13,17 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_LAYER_TRANSACTION_TEST_H
-#define ANDROID_LAYER_TRANSACTION_TEST_H
+
+#pragma once
 
 #include <gtest/gtest.h>
-
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
 #include <hardware/hwcomposer_defs.h>
 #include <private/gui/ComposerService.h>
-
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 
 #include "BufferGenerator.h"
 #include "utils/ScreenshotUtils.h"
@@ -255,18 +253,16 @@
         mDisplay = mClient->getInternalDisplayToken();
         ASSERT_FALSE(mDisplay == nullptr) << "failed to get display";
 
-        // get display width/height
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mDisplay, &info));
-        mDisplayWidth = info.w;
-        mDisplayHeight = info.h;
-        mDisplayRect =
-                Rect(static_cast<int32_t>(mDisplayWidth), static_cast<int32_t>(mDisplayHeight));
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(mDisplay, &config));
+        mDisplayRect = Rect(config.resolution);
+        mDisplayWidth = mDisplayRect.getWidth();
+        mDisplayHeight = mDisplayRect.getHeight();
 
         // After a new buffer is queued, SurfaceFlinger is notified and will
         // latch the new buffer on next vsync.  Let's heuristically wait for 3
         // vsyncs.
-        mBufferPostDelay = int32_t(1e6 / info.fps) * 3;
+        mBufferPostDelay = static_cast<int32_t>(1e6 / config.refreshRate) * 3;
 
         mDisplayLayerStack = 0;
 
@@ -295,6 +291,5 @@
 
     friend class LayerRenderPathTestHarness;
 };
-} // namespace android
 
-#endif
+} // namespace android
diff --git a/services/surfaceflinger/tests/LayerUpdate_test.cpp b/services/surfaceflinger/tests/LayerUpdate_test.cpp
index 0459386..a1c4128 100644
--- a/services/surfaceflinger/tests/LayerUpdate_test.cpp
+++ b/services/surfaceflinger/tests/LayerUpdate_test.cpp
@@ -36,14 +36,13 @@
         const auto display = SurfaceComposerClient::getInternalDisplayToken();
         ASSERT_FALSE(display == nullptr);
 
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-
-        ssize_t displayWidth = info.w;
-        ssize_t displayHeight = info.h;
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        const ui::Size& resolution = config.resolution;
 
         // Background surface
-        mBGSurfaceControl = createLayer(String8("BG Test Surface"), displayWidth, displayHeight, 0);
+        mBGSurfaceControl = createLayer(String8("BG Test Surface"), resolution.getWidth(),
+                                        resolution.getHeight(), 0);
         ASSERT_TRUE(mBGSurfaceControl != nullptr);
         ASSERT_TRUE(mBGSurfaceControl->isValid());
         TransactionUtils::fillSurfaceRGBA8(mBGSurfaceControl, 63, 63, 195);
@@ -73,7 +72,8 @@
                     .show(mFGSurfaceControl);
 
             t.setLayer(mSyncSurfaceControl, INT32_MAX - 1)
-                    .setPosition(mSyncSurfaceControl, displayWidth - 2, displayHeight - 2)
+                    .setPosition(mSyncSurfaceControl, resolution.getWidth() - 2,
+                                 resolution.getHeight() - 2)
                     .show(mSyncSurfaceControl);
         });
     }
diff --git a/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp b/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
index e525e2a..c9fdc3b 100644
--- a/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
+++ b/services/surfaceflinger/tests/MultiDisplayLayerBounds_test.cpp
@@ -18,6 +18,8 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
 
+#include <ui/DisplayState.h>
+
 #include "LayerTransactionTest.h"
 
 namespace android {
@@ -34,12 +36,14 @@
         ASSERT_EQ(NO_ERROR, mClient->initCheck());
 
         mMainDisplay = SurfaceComposerClient::getInternalDisplayToken();
-        SurfaceComposerClient::getDisplayInfo(mMainDisplay, &mMainDisplayInfo);
+        SurfaceComposerClient::getDisplayState(mMainDisplay, &mMainDisplayState);
+        SurfaceComposerClient::getActiveDisplayConfig(mMainDisplay, &mMainDisplayConfig);
 
         sp<IGraphicBufferConsumer> consumer;
         BufferQueue::createBufferQueue(&mProducer, &consumer);
         consumer->setConsumerName(String8("Virtual disp consumer"));
-        consumer->setDefaultBufferSize(mMainDisplayInfo.w, mMainDisplayInfo.h);
+        consumer->setDefaultBufferSize(mMainDisplayConfig.resolution.getWidth(),
+                                       mMainDisplayConfig.resolution.getHeight());
     }
 
     virtual void TearDown() {
@@ -48,14 +52,14 @@
         mColorLayer = 0;
     }
 
-    void createDisplay(const Rect& layerStackRect, uint32_t layerStack) {
+    void createDisplay(const ui::Size& layerStackSize, uint32_t layerStack) {
         mVirtualDisplay =
                 SurfaceComposerClient::createDisplay(String8("VirtualDisplay"), false /*secure*/);
         asTransaction([&](Transaction& t) {
             t.setDisplaySurface(mVirtualDisplay, mProducer);
             t.setDisplayLayerStack(mVirtualDisplay, layerStack);
-            t.setDisplayProjection(mVirtualDisplay, mMainDisplayInfo.orientation, layerStackRect,
-                                   Rect(mMainDisplayInfo.w, mMainDisplayInfo.h));
+            t.setDisplayProjection(mVirtualDisplay, mMainDisplayState.orientation,
+                                   Rect(layerStackSize), Rect(mMainDisplayConfig.resolution));
         });
     }
 
@@ -76,7 +80,8 @@
         });
     }
 
-    DisplayInfo mMainDisplayInfo;
+    ui::DisplayState mMainDisplayState;
+    DisplayConfig mMainDisplayConfig;
     sp<IBinder> mMainDisplay;
     sp<IBinder> mVirtualDisplay;
     sp<IGraphicBufferProducer> mProducer;
@@ -85,7 +90,7 @@
 };
 
 TEST_F(MultiDisplayLayerBoundsTest, RenderLayerInVirtualDisplay) {
-    createDisplay({mMainDisplayInfo.viewportW, mMainDisplayInfo.viewportH}, 1 /* layerStack */);
+    createDisplay(mMainDisplayState.viewport, 1 /* layerStack */);
     createColorLayer(1 /* layerStack */);
 
     asTransaction([&](Transaction& t) { t.setPosition(mColorLayer, 10, 10); });
@@ -108,7 +113,7 @@
 
     // Assumption here is that the new mirrored display has the same viewport as the
     // primary display that it is mirroring.
-    createDisplay({mMainDisplayInfo.viewportW, mMainDisplayInfo.viewportH}, 0 /* layerStack */);
+    createDisplay(mMainDisplayState.viewport, 0 /* layerStack */);
     createColorLayer(0 /* layerStack */);
 
     asTransaction([&](Transaction& t) { t.setPosition(mColorLayer, 10, 10); });
diff --git a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
index 4a2ab7c..0e7eba8 100644
--- a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
+++ b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
@@ -20,18 +20,13 @@
 
 #include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
-
 #include <gtest/gtest.h>
-
-#include <android/native_window.h>
-
 #include <gui/ISurfaceComposer.h>
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
-
 #include <private/gui/ComposerService.h>
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 
 #include <fstream>
 #include <random>
@@ -271,21 +266,21 @@
     const auto display = SurfaceComposerClient::getInternalDisplayToken();
     ASSERT_FALSE(display == nullptr);
 
-    DisplayInfo info;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-
-    ssize_t displayWidth = info.w;
-    ssize_t displayHeight = info.h;
+    DisplayConfig config;
+    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+    const ui::Size& resolution = config.resolution;
 
     // Background surface
-    mBGSurfaceControl = mComposerClient->createSurface(String8(TEST_BG_SURFACE_NAME), displayWidth,
-                                                       displayHeight, PIXEL_FORMAT_RGBA_8888, 0);
+    mBGSurfaceControl =
+            mComposerClient->createSurface(String8(TEST_BG_SURFACE_NAME), resolution.getWidth(),
+                                           resolution.getHeight(), PIXEL_FORMAT_RGBA_8888, 0);
     ASSERT_TRUE(mBGSurfaceControl != nullptr);
     ASSERT_TRUE(mBGSurfaceControl->isValid());
 
     // Foreground surface
-    mFGSurfaceControl = mComposerClient->createSurface(String8(TEST_FG_SURFACE_NAME), displayWidth,
-                                                       displayHeight, PIXEL_FORMAT_RGBA_8888, 0);
+    mFGSurfaceControl =
+            mComposerClient->createSurface(String8(TEST_FG_SURFACE_NAME), resolution.getWidth(),
+                                           resolution.getHeight(), PIXEL_FORMAT_RGBA_8888, 0);
     ASSERT_TRUE(mFGSurfaceControl != nullptr);
     ASSERT_TRUE(mFGSurfaceControl->isValid());
 
diff --git a/services/surfaceflinger/tests/TransactionTestHarnesses.h b/services/surfaceflinger/tests/TransactionTestHarnesses.h
index 5612bb2..040852f 100644
--- a/services/surfaceflinger/tests/TransactionTestHarnesses.h
+++ b/services/surfaceflinger/tests/TransactionTestHarnesses.h
@@ -16,41 +16,10 @@
 #ifndef ANDROID_TRANSACTION_TEST_HARNESSES
 #define ANDROID_TRANSACTION_TEST_HARNESSES
 
-/*#include <algorithm>
-#include <chrono>
-#include <cinttypes>
-#include <functional>
-#include <limits>
-#include <ostream>
+#include <ui/DisplayState.h>
 
-#include <android/native_window.h>
-
-#include <binder/ProcessState.h>
-#include <gui/BufferItemConsumer.h>
-#include <gui/IProducerListener.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/LayerState.h>
-#include <gui/Surface.h>
-#include <gui/SurfaceComposerClient.h>
-#include <hardware/hwcomposer_defs.h>
-#include <private/android_filesystem_config.h>
-#include <private/gui/ComposerService.h>
-
-#include <ui/DisplayInfo.h>
-
-#include <math.h>
-#include <math/vec3.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "BufferGenerator.h"
-*/
 #include "LayerTransactionTest.h"
-/*#include "utils/CallbackUtils.h"
-#include "utils/ColorUtils.h"
-#include "utils/ScreenshotUtils.h"
-#include "utils/TransactionUtils.h"
-*/
+
 namespace android {
 
 using android::hardware::graphics::common::V1_1::BufferUsage;
@@ -66,9 +35,14 @@
                 return mDelegate->screenshot();
             case RenderPath::VIRTUAL_DISPLAY:
 
-                const auto mainDisplay = SurfaceComposerClient::getInternalDisplayToken();
-                DisplayInfo mainDisplayInfo;
-                SurfaceComposerClient::getDisplayInfo(mainDisplay, &mainDisplayInfo);
+                const auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+
+                ui::DisplayState displayState;
+                SurfaceComposerClient::getDisplayState(displayToken, &displayState);
+
+                DisplayConfig displayConfig;
+                SurfaceComposerClient::getActiveDisplayConfig(displayToken, &displayConfig);
+                const ui::Size& resolution = displayConfig.resolution;
 
                 sp<IBinder> vDisplay;
                 sp<IGraphicBufferProducer> producer;
@@ -77,7 +51,7 @@
                 BufferQueue::createBufferQueue(&producer, &consumer);
 
                 consumer->setConsumerName(String8("Virtual disp consumer"));
-                consumer->setDefaultBufferSize(mainDisplayInfo.w, mainDisplayInfo.h);
+                consumer->setDefaultBufferSize(resolution.getWidth(), resolution.getHeight());
 
                 itemConsumer = new BufferItemConsumer(consumer,
                                                       // Sample usage bits from screenrecord
@@ -90,9 +64,8 @@
                 SurfaceComposerClient::Transaction t;
                 t.setDisplaySurface(vDisplay, producer);
                 t.setDisplayLayerStack(vDisplay, 0);
-                t.setDisplayProjection(vDisplay, mainDisplayInfo.orientation,
-                                       Rect(mainDisplayInfo.viewportW, mainDisplayInfo.viewportH),
-                                       Rect(mainDisplayInfo.w, mainDisplayInfo.h));
+                t.setDisplayProjection(vDisplay, displayState.orientation,
+                                       Rect(displayState.viewport), Rect(resolution));
                 t.apply();
                 SurfaceComposerClient::Transaction().apply(true);
                 BufferItem item;
diff --git a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
index 6874f6f..e751496 100644
--- a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
+++ b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
@@ -41,7 +41,7 @@
 #include <hwbinder/ProcessState.h>
 #include <log/log.h>
 #include <private/gui/ComposerService.h>
-#include <ui/DisplayInfo.h>
+#include <ui/DisplayConfig.h>
 #include <utils/Looper.h>
 
 #include <gmock/gmock.h>
@@ -338,15 +338,16 @@
             const auto display = SurfaceComposerClient::getPhysicalDisplayToken(EXTERNAL_DISPLAY);
             EXPECT_FALSE(display == nullptr);
 
-            DisplayInfo info;
-            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-            EXPECT_EQ(200u, info.w);
-            EXPECT_EQ(400u, info.h);
-            EXPECT_EQ(1e9f / 16'666'666, info.fps);
+            DisplayConfig config;
+            EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+            const ui::Size& resolution = config.resolution;
+            EXPECT_EQ(ui::Size(200, 400), resolution);
+            EXPECT_EQ(1e9f / 16'666'666, config.refreshRate);
 
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -369,8 +370,8 @@
             const auto display = SurfaceComposerClient::getPhysicalDisplayToken(EXTERNAL_DISPLAY);
             EXPECT_TRUE(display == nullptr);
 
-            DisplayInfo info;
-            EXPECT_NE(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
+            DisplayConfig config;
+            EXPECT_NE(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
         }
     }
 
@@ -398,17 +399,18 @@
         const auto display = SurfaceComposerClient::getPhysicalDisplayToken(EXTERNAL_DISPLAY);
         EXPECT_FALSE(display == nullptr);
 
-        DisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(200u, info.w);
-        EXPECT_EQ(400u, info.h);
-        EXPECT_EQ(1e9f / 16'666'666, info.fps);
+        DisplayConfig config;
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(200, 400), config.resolution);
+        EXPECT_EQ(1e9f / 16'666'666, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -421,7 +423,7 @@
             }
         }
 
-        Vector<DisplayInfo> configs;
+        Vector<DisplayConfig> configs;
         EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayConfigs(display, &configs));
         EXPECT_EQ(configs.size(), 2);
 
@@ -436,27 +438,29 @@
         }
 
         for (int i = 0; i < configs.size(); i++) {
-            if (configs[i].w == 800u) {
+            const auto& config = configs[i];
+            if (config.resolution.getWidth() == 800) {
                 EXPECT_EQ(NO_ERROR,
                           SurfaceComposerClient::setDesiredDisplayConfigSpecs(display, i,
-                                                                              configs[i].fps,
-                                                                              configs[i].fps));
+                                                                              config.refreshRate,
+                                                                              config.refreshRate));
                 waitForDisplayTransaction();
                 EXPECT_TRUE(waitForConfigChangedEvent(EXTERNAL_DISPLAY, i));
                 break;
             }
         }
 
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(800u, info.w);
-        EXPECT_EQ(1600u, info.h);
-        EXPECT_EQ(1e9f / 11'111'111, info.fps);
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(800, 1600), config.resolution);
+        EXPECT_EQ(1e9f / 11'111'111, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -500,17 +504,18 @@
         const auto display = SurfaceComposerClient::getPhysicalDisplayToken(EXTERNAL_DISPLAY);
         EXPECT_FALSE(display == nullptr);
 
-        DisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(800u, info.w);
-        EXPECT_EQ(1600u, info.h);
-        EXPECT_EQ(1e9f / 16'666'666, info.fps);
+        DisplayConfig config;
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(800, 1600), config.resolution);
+        EXPECT_EQ(1e9f / 16'666'666, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -523,7 +528,7 @@
             }
         }
 
-        Vector<DisplayInfo> configs;
+        Vector<DisplayConfig> configs;
         EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayConfigs(display, &configs));
         EXPECT_EQ(configs.size(), 2);
 
@@ -537,27 +542,29 @@
         }
 
         for (int i = 0; i < configs.size(); i++) {
-            if (configs[i].fps == 1e9f / 11'111'111) {
+            const auto& config = configs[i];
+            if (config.refreshRate == 1e9f / 11'111'111) {
                 EXPECT_EQ(NO_ERROR,
                           SurfaceComposerClient::setDesiredDisplayConfigSpecs(display, i,
-                                                                              configs[i].fps,
-                                                                              configs[i].fps));
+                                                                              config.refreshRate,
+                                                                              config.refreshRate));
                 waitForDisplayTransaction();
                 EXPECT_TRUE(waitForConfigChangedEvent(EXTERNAL_DISPLAY, i));
                 break;
             }
         }
 
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(800u, info.w);
-        EXPECT_EQ(1600u, info.h);
-        EXPECT_EQ(1e9f / 11'111'111, info.fps);
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(800, 1600), config.resolution);
+        EXPECT_EQ(1e9f / 11'111'111, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -611,17 +618,18 @@
         const auto display = SurfaceComposerClient::getPhysicalDisplayToken(EXTERNAL_DISPLAY);
         EXPECT_FALSE(display == nullptr);
 
-        DisplayInfo info;
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(800u, info.w);
-        EXPECT_EQ(1600u, info.h);
-        EXPECT_EQ(1e9f / 16'666'666, info.fps);
+        DisplayConfig config;
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(800, 1600), config.resolution);
+        EXPECT_EQ(1e9f / 16'666'666, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -634,7 +642,7 @@
             }
         }
 
-        Vector<DisplayInfo> configs;
+        Vector<DisplayConfig> configs;
         EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayConfigs(display, &configs));
         EXPECT_EQ(configs.size(), 4);
 
@@ -648,27 +656,29 @@
         }
 
         for (int i = 0; i < configs.size(); i++) {
-            if (configs[i].w == 800u && configs[i].fps == 1e9f / 11'111'111) {
+            const auto& config = configs[i];
+            if (config.resolution.getWidth() == 800 && config.refreshRate == 1e9f / 11'111'111) {
                 EXPECT_EQ(NO_ERROR,
                           SurfaceComposerClient::setDesiredDisplayConfigSpecs(display, i,
-                                                                              configs[i].fps,
-                                                                              configs[i].fps));
+                                                                              configs[i].refreshRate,
+                                                                              configs[i].refreshRate));
                 waitForDisplayTransaction();
                 EXPECT_TRUE(waitForConfigChangedEvent(EXTERNAL_DISPLAY, i));
                 break;
             }
         }
 
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(800u, info.w);
-        EXPECT_EQ(1600u, info.h);
-        EXPECT_EQ(1e9f / 11'111'111, info.fps);
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(800, 1600), config.resolution);
+        EXPECT_EQ(1e9f / 11'111'111, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -691,27 +701,29 @@
         }
 
         for (int i = 0; i < configs.size(); i++) {
-            if (configs[i].fps == 1e9f / 8'333'333) {
+            const auto& config = configs[i];
+            if (config.refreshRate == 1e9f / 8'333'333) {
                 EXPECT_EQ(NO_ERROR,
                           SurfaceComposerClient::setDesiredDisplayConfigSpecs(display, i,
-                                                                              configs[i].fps,
-                                                                              configs[i].fps));
+                                                                              config.refreshRate,
+                                                                              config.refreshRate));
                 waitForDisplayTransaction();
                 EXPECT_TRUE(waitForConfigChangedEvent(EXTERNAL_DISPLAY, i));
                 break;
             }
         }
 
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(1600u, info.w);
-        EXPECT_EQ(3200u, info.h);
-        EXPECT_EQ(1e9f / 8'333'333, info.fps);
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(1600, 3200), config.resolution);
+        EXPECT_EQ(1e9f / 8'333'333, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -734,27 +746,29 @@
         }
 
         for (int i = 0; i < configs.size(); i++) {
-            if (configs[i].w == 1600 && configs[i].fps == 1e9f / 11'111'111) {
+            const auto& config = configs[i];
+            if (config.resolution.getWidth() == 1600 && config.refreshRate == 1e9f / 11'111'111) {
                 EXPECT_EQ(NO_ERROR,
                           SurfaceComposerClient::setDesiredDisplayConfigSpecs(display, i,
-                                                                              configs[i].fps,
-                                                                              configs[i].fps));
+                                                                              config.refreshRate,
+                                                                              config.refreshRate));
                 waitForDisplayTransaction();
                 EXPECT_TRUE(waitForConfigChangedEvent(EXTERNAL_DISPLAY, i));
                 break;
             }
         }
 
-        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
-        EXPECT_EQ(1600u, info.w);
-        EXPECT_EQ(3200u, info.h);
-        EXPECT_EQ(1e9f / 11'111'111, info.fps);
+        EXPECT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
+        EXPECT_EQ(ui::Size(1600, 3200), config.resolution);
+        EXPECT_EQ(1e9f / 11'111'111, config.refreshRate);
 
         mFakeComposerClient->clearFrames();
         {
+            const ui::Size& resolution = config.resolution;
             auto surfaceControl =
-                    mComposerClient->createSurface(String8("Display Test Surface Foo"), info.w,
-                                                   info.h, PIXEL_FORMAT_RGBA_8888, 0);
+                    mComposerClient->createSurface(String8("Display Test Surface Foo"),
+                                                   resolution.getWidth(), resolution.getHeight(),
+                                                   PIXEL_FORMAT_RGBA_8888, 0);
             EXPECT_TRUE(surfaceControl != nullptr);
             EXPECT_TRUE(surfaceControl->isValid());
             fillSurfaceRGBA8(surfaceControl, BLUE);
@@ -787,8 +801,8 @@
             const auto display = SurfaceComposerClient::getPhysicalDisplayToken(PRIMARY_DISPLAY);
             EXPECT_TRUE(display == nullptr);
 
-            DisplayInfo info;
-            auto result = SurfaceComposerClient::getDisplayInfo(display, &info);
+            DisplayConfig config;
+            auto result = SurfaceComposerClient::getActiveDisplayConfig(display, &config);
             EXPECT_NE(NO_ERROR, result);
         }
 
@@ -813,12 +827,11 @@
             const auto display = SurfaceComposerClient::getPhysicalDisplayToken(PRIMARY_DISPLAY);
             EXPECT_FALSE(display == nullptr);
 
-            DisplayInfo info;
-            auto result = SurfaceComposerClient::getDisplayInfo(display, &info);
+            DisplayConfig config;
+            auto result = SurfaceComposerClient::getActiveDisplayConfig(display, &config);
             EXPECT_EQ(NO_ERROR, result);
-            ASSERT_EQ(400u, info.w);
-            ASSERT_EQ(200u, info.h);
-            EXPECT_EQ(1e9f / 16'666'666, info.fps);
+            ASSERT_EQ(ui::Size(400, 200), config.resolution);
+            EXPECT_EQ(1e9f / 16'666'666, config.refreshRate);
         }
     }
 
@@ -968,11 +981,12 @@
         const auto display = SurfaceComposerClient::getPhysicalDisplayToken(PRIMARY_DISPLAY);
         ASSERT_FALSE(display == nullptr);
 
-        DisplayInfo info;
-        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
+        DisplayConfig config;
+        ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveDisplayConfig(display, &config));
 
-        mDisplayWidth = info.w;
-        mDisplayHeight = info.h;
+        const ui::Size& resolution = config.resolution;
+        mDisplayWidth = resolution.getWidth();
+        mDisplayHeight = resolution.getHeight();
 
         // Background surface
         mBGSurfaceControl =
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 7681283..d046f76 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -32,7 +32,6 @@
         // option to false temporarily.
         address: true,
     },
-    data: ["libsurfaceflinger_unittest.filter"],
     srcs: [
         ":libsurfaceflinger_sources",
         "libsurfaceflinger_unittest_main.cpp",
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
index 9ca1b70..d9481be 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
@@ -85,7 +85,7 @@
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -114,7 +114,7 @@
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -138,15 +138,15 @@
 
     EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer1, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer2, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer3, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
     nsecs_t time = mTime;
 
     EXPECT_EQ(3, layerCount());
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
index 922966a..bb3bbad 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
@@ -34,7 +34,6 @@
 
 class LayerHistoryTestV2 : public testing::Test {
 protected:
-    static constexpr auto FREQUENT_LAYER_WINDOW_SIZE = LayerInfoV2::FREQUENT_LAYER_WINDOW_SIZE;
     static constexpr auto PRESENT_TIME_HISTORY_SIZE = LayerInfoV2::HISTORY_SIZE;
     static constexpr auto MAX_FREQUENT_LAYER_PERIOD_NS = LayerInfoV2::MAX_FREQUENT_LAYER_PERIOD_NS;
 
@@ -85,7 +84,6 @@
     TestableScheduler* const mScheduler{new TestableScheduler(mConfigs, true)};
     TestableSurfaceFlinger mFlinger;
 
-    const nsecs_t mTime = systemTime();
 };
 
 namespace {
@@ -93,31 +91,30 @@
 TEST_F(LayerHistoryTestV2, oneLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
+    const nsecs_t time = systemTime();
+
     // No layers returned if no layers are active.
-    EXPECT_TRUE(history().summarize(mTime).empty());
+    EXPECT_TRUE(history().summarize(time).empty());
     EXPECT_EQ(0, activeLayerCount());
 
     // Max returned if active layers have insufficient history.
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
-        history().record(layer.get(), 0, mTime);
-        ASSERT_EQ(1, history().summarize(mTime).size());
-        const auto expectedType = (i + 1 < FREQUENT_LAYER_WINDOW_SIZE)
-                ? LayerHistory::LayerVoteType::Min
-                : LayerHistory::LayerVoteType::Max;
-        EXPECT_EQ(expectedType, history().summarize(mTime)[0].vote);
+        history().record(layer.get(), 0, time);
+        ASSERT_EQ(1, history().summarize(time).size());
+        EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
         EXPECT_EQ(1, activeLayerCount());
     }
 
     // Max is returned since we have enough history but there is no timestamp votes.
     for (int i = 0; i < 10; i++) {
-        history().record(layer.get(), 0, mTime);
-        ASSERT_EQ(1, history().summarize(mTime).size());
-        EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(mTime)[0].vote);
+        history().record(layer.get(), 0, time);
+        ASSERT_EQ(1, history().summarize(time).size());
+        EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
         EXPECT_EQ(1, activeLayerCount());
     }
 }
@@ -125,34 +122,36 @@
 TEST_F(LayerHistoryTestV2, oneInvisibleLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    history().record(layer.get(), 0, mTime);
-    auto summary = history().summarize(mTime);
-    ASSERT_EQ(1, history().summarize(mTime).size());
+    nsecs_t time = systemTime();
+
+    history().record(layer.get(), 0, time);
+    auto summary = history().summarize(time);
+    ASSERT_EQ(1, history().summarize(time).size());
     // Layer is still considered inactive so we expect to get Min
-    EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(mTime)[0].vote);
+    EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
     EXPECT_EQ(1, activeLayerCount());
 
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(false));
 
-    summary = history().summarize(mTime);
-    EXPECT_TRUE(history().summarize(mTime).empty());
+    summary = history().summarize(time);
+    EXPECT_TRUE(history().summarize(time).empty());
     EXPECT_EQ(0, activeLayerCount());
 }
 
 TEST_F(LayerHistoryTestV2, explicitTimestamp) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
         history().record(layer.get(), time, time);
         time += LO_FPS_PERIOD;
@@ -168,14 +167,14 @@
 TEST_F(LayerHistoryTestV2, oneLayerNoVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::NoVote);
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
         history().record(layer.get(), time, time);
         time += HI_FPS_PERIOD;
@@ -195,14 +194,14 @@
 TEST_F(LayerHistoryTestV2, oneLayerMinVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Min);
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
         history().record(layer.get(), time, time);
         time += HI_FPS_PERIOD;
@@ -223,14 +222,14 @@
 TEST_F(LayerHistoryTestV2, oneLayerMaxVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Max);
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
         history().record(layer.get(), time, time);
         time += LO_FPS_PERIOD;
@@ -251,19 +250,53 @@
 TEST_F(LayerHistoryTestV2, oneLayerExplicitVote) {
     auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(73.4f));
+    EXPECT_CALL(*layer, getFrameRate())
+            .WillRepeatedly(
+                    Return(Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::Default)));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
     for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
         history().record(layer.get(), time, time);
         time += HI_FPS_PERIOD;
     }
 
     ASSERT_EQ(1, history().summarize(time).size());
-    EXPECT_EQ(LayerHistory::LayerVoteType::Explicit, history().summarize(time)[0].vote);
+    EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, history().summarize(time)[0].vote);
+    EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(1, frequentLayerCount(time));
+
+    // layer became inactive
+    setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
+    time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
+    ASSERT_TRUE(history().summarize(time).empty());
+    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRate() returns a value > 0
+    EXPECT_EQ(1, activeLayerCount());
+    EXPECT_EQ(0, frequentLayerCount(time));
+}
+
+TEST_F(LayerHistoryTestV2, oneLayerExplicitExactVote) {
+    auto layer = createLayer();
+    EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*layer, getFrameRate())
+            .WillRepeatedly(Return(
+                    Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::ExactOrMultiple)));
+
+    EXPECT_EQ(1, layerCount());
+    EXPECT_EQ(0, activeLayerCount());
+
+    nsecs_t time = systemTime();
+    for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
+        history().record(layer.get(), time, time);
+        time += HI_FPS_PERIOD;
+    }
+
+    ASSERT_EQ(1, history().summarize(time).size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
+              history().summarize(time)[0].vote);
     EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(1, frequentLayerCount(time));
@@ -283,15 +316,15 @@
     auto layer3 = createLayer();
 
     EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(std::nullopt));
+    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
 
-    nsecs_t time = mTime;
+    nsecs_t time = systemTime();
 
     EXPECT_EQ(3, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -319,7 +352,7 @@
 
     ASSERT_EQ(2, history().summarize(time).size());
     EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
-    EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, history().summarize(time)[1].vote);
+    ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, history().summarize(time)[1].vote);
     EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time)[1].desiredRefreshRate);
     EXPECT_EQ(2, activeLayerCount());
     EXPECT_EQ(1, frequentLayerCount(time));
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index 19a58dc..2e89478 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -465,6 +465,77 @@
     EXPECT_EQ(expected72Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 }
 
+TEST_F(RefreshRateConfigsTest,
+       twoDeviceConfigs_getRefreshRateForContentV2_30_60_90_120_DifferentTypes) {
+    std::vector<RefreshRateConfigs::InputConfig> configs{
+            {{HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30},
+             {HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
+             {HWC_CONFIG_ID_72, HWC_GROUP_ID_0, VSYNC_72},
+             {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90},
+             {HWC_CONFIG_ID_120, HWC_GROUP_ID_0, VSYNC_120}}};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(configs, /*currentConfigId=*/HWC_CONFIG_ID_60);
+
+    RefreshRate expected30Config = {HWC_CONFIG_ID_30, VSYNC_30, HWC_GROUP_ID_0, "30fps", 30};
+    RefreshRate expected60Config = {HWC_CONFIG_ID_60, VSYNC_60, HWC_GROUP_ID_0, "60fps", 60};
+    RefreshRate expected72Config = {HWC_CONFIG_ID_72, VSYNC_72, HWC_GROUP_ID_0, "72fps", 72};
+    RefreshRate expected90Config = {HWC_CONFIG_ID_90, VSYNC_90, HWC_GROUP_ID_0, "90fps", 90};
+    RefreshRate expected120Config = {HWC_CONFIG_ID_120, VSYNC_120, HWC_GROUP_ID_0, "120fps", 120};
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f},
+                                                LayerRequirement{.weight = 1.0f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr2.desiredRefreshRate = 60.0f;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 60.0f;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 60.0f;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 90.0f;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr2.desiredRefreshRate = 90.0f;
+    lr2.vote = LayerVoteType::Heuristic;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::Heuristic;
+    lr2.desiredRefreshRate = 90.0f;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr2.desiredRefreshRate = 90.0f;
+    lr2.vote = LayerVoteType::ExplicitDefault;
+    EXPECT_EQ(expected120Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+
+    lr1.desiredRefreshRate = 24.0f;
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr2.desiredRefreshRate = 90.0f;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
+    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
+}
+
 TEST_F(RefreshRateConfigsTest, twoDeviceConfigs_getRefreshRateForContentV2_30_60) {
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -577,7 +648,7 @@
     EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 
     lr1.vote = LayerVoteType::Min;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 
@@ -587,7 +658,7 @@
     EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 
     lr1.vote = LayerVoteType::Max;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 
@@ -599,7 +670,7 @@
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 30.0f;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 }
@@ -621,7 +692,7 @@
     auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
     auto& lr = layers[0];
 
-    lr.vote = LayerVoteType::Explicit;
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
     for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
         lr.desiredRefreshRate = fps;
         const auto& refreshRate = refreshRateConfigs->getRefreshRateForContentV2(layers);
@@ -650,13 +721,13 @@
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 60.0f;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 90.0f;
     EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(layers));
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 90.0f;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(layers));
 }
@@ -681,13 +752,13 @@
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 60.0f;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 90.0f;
     EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 90.0f;
-    lr2.vote = LayerVoteType::Explicit;
+    lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContentV2(layers));
 }
@@ -719,7 +790,7 @@
     auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
     auto& lr = layers[0];
 
-    lr.vote = LayerVoteType::Explicit;
+    lr.vote = LayerVoteType::ExplicitExactOrMultiple;
     for (float fps = 75.0f; fps < 100.0f; fps += 0.1f) {
         lr.desiredRefreshRate = fps;
         const auto& refreshRate = refreshRateConfigs->getRefreshRateForContentV2(layers);
diff --git a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
index f65af77..30505b9 100644
--- a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
@@ -37,6 +37,7 @@
 
 using namespace android::surfaceflinger;
 using namespace google::protobuf;
+using namespace std::chrono_literals;
 
 namespace android {
 namespace {
@@ -309,6 +310,41 @@
     EXPECT_EQ(CLIENT_COMPOSITION_FRAMES, globalProto.client_composition_frames());
 }
 
+TEST_F(TimeStatsTest, canIncreaseLateAcquireFrames) {
+    // this stat is not in the proto so verify by checking the string dump
+    constexpr size_t LATE_ACQUIRE_FRAMES = 2;
+
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 1, 1000000);
+    for (size_t i = 0; i < LATE_ACQUIRE_FRAMES; i++) {
+        mTimeStats->incrementLatchSkipped(LAYER_ID_0, TimeStats::LatchSkipReason::LateAcquire);
+    }
+    insertTimeRecord(NORMAL_SEQUENCE_2, LAYER_ID_0, 2, 2000000);
+
+    const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
+    const std::string expectedResult = "lateAcquireFrames = " + std::to_string(LATE_ACQUIRE_FRAMES);
+    EXPECT_THAT(result, HasSubstr(expectedResult));
+}
+
+TEST_F(TimeStatsTest, canIncreaseBadDesiredPresent) {
+    // this stat is not in the proto so verify by checking the string dump
+    constexpr size_t BAD_DESIRED_PRESENT_FRAMES = 2;
+
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+
+    insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 1, 1000000);
+    for (size_t i = 0; i < BAD_DESIRED_PRESENT_FRAMES; i++) {
+        mTimeStats->incrementBadDesiredPresent(LAYER_ID_0);
+    }
+    insertTimeRecord(NORMAL_SEQUENCE_2, LAYER_ID_0, 2, 2000000);
+
+    const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
+    const std::string expectedResult =
+            "badDesiredPresentFrames = " + std::to_string(BAD_DESIRED_PRESENT_FRAMES);
+    EXPECT_THAT(result, HasSubstr(expectedResult));
+}
+
 TEST_F(TimeStatsTest, canIncreaseClientCompositionReusedFrames) {
     // this stat is not in the proto so verify by checking the string dump
     constexpr size_t CLIENT_COMPOSITION_REUSED_FRAMES = 2;
@@ -324,6 +360,45 @@
     EXPECT_THAT(result, HasSubstr(expectedResult));
 }
 
+TEST_F(TimeStatsTest, canAverageFrameDuration) {
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+    mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
+    mTimeStats
+            ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count(),
+                                  std::chrono::duration_cast<std::chrono::nanoseconds>(6ms)
+                                          .count());
+    mTimeStats
+            ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count(),
+                                  std::chrono::duration_cast<std::chrono::nanoseconds>(16ms)
+                                          .count());
+
+    const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
+    EXPECT_THAT(result, HasSubstr("averageFrameDuration = 10.000 ms"));
+}
+
+TEST_F(TimeStatsTest, canAverageRenderEngineTimings) {
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+    mTimeStats->recordRenderEngineDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms)
+                                                   .count(),
+                                           std::make_shared<FenceTime>(
+                                                   std::chrono::duration_cast<
+                                                           std::chrono::nanoseconds>(3ms)
+                                                           .count()));
+
+    mTimeStats->recordRenderEngineDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(4ms)
+                                                   .count(),
+                                           std::chrono::duration_cast<std::chrono::nanoseconds>(8ms)
+                                                   .count());
+
+    // Push a dummy present fence to trigger flushing the RenderEngine timings.
+    mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
+    mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(
+            std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count()));
+
+    const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
+    EXPECT_THAT(result, HasSubstr("averageRenderEngineTiming = 3.000 ms"));
+}
+
 TEST_F(TimeStatsTest, canInsertGlobalPresentToPresent) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
 
@@ -356,8 +431,6 @@
 TEST_F(TimeStatsTest, canInsertGlobalFrameDuration) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
 
-    using namespace std::chrono_literals;
-
     mTimeStats->setPowerMode(HWC_POWER_MODE_OFF);
     mTimeStats
             ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count(),
@@ -381,8 +454,6 @@
 TEST_F(TimeStatsTest, canInsertGlobalRenderEngineTiming) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
 
-    using namespace std::chrono_literals;
-
     mTimeStats->recordRenderEngineDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms)
                                                    .count(),
                                            std::make_shared<FenceTime>(
@@ -638,7 +709,6 @@
     ASSERT_NO_FATAL_FAILURE(mTimeStats->incrementClientCompositionFrames());
     ASSERT_NO_FATAL_FAILURE(mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL));
 
-    using namespace std::chrono_literals;
     mTimeStats
             ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(3ms).count(),
                                   std::chrono::duration_cast<std::chrono::nanoseconds>(6ms)
@@ -668,14 +738,27 @@
     EXPECT_EQ(0, globalProto.stats_size());
 }
 
-TEST_F(TimeStatsTest, canClearClientCompositionSkippedFrames) {
-    // this stat is not in the proto so verify by checking the string dump
+TEST_F(TimeStatsTest, canClearDumpOnlyTimeStats) {
+    // These stats are not in the proto so verify by checking the string dump.
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
     ASSERT_NO_FATAL_FAILURE(mTimeStats->incrementClientCompositionReusedFrames());
+    mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
+    mTimeStats
+            ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count(),
+                                  std::chrono::duration_cast<std::chrono::nanoseconds>(5ms)
+                                          .count());
+    mTimeStats->recordRenderEngineDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(4ms)
+                                                   .count(),
+                                           std::chrono::duration_cast<std::chrono::nanoseconds>(6ms)
+                                                   .count());
+    mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(
+            std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count()));
     EXPECT_TRUE(inputCommand(InputCommand::CLEAR, FMT_STRING).empty());
 
     const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
     EXPECT_THAT(result, HasSubstr("clientCompositionReusedFrames = 0"));
+    EXPECT_THAT(result, HasSubstr("averageFrameDuration = 0.000 ms"));
+    EXPECT_THAT(result, HasSubstr("averageRenderEngineTiming = 0.000 ms"));
 }
 
 TEST_F(TimeStatsTest, canDumpWithMaxLayers) {
diff --git a/services/surfaceflinger/tests/unittests/libsurfaceflinger_unittest.filter b/services/surfaceflinger/tests/unittests/libsurfaceflinger_unittest.filter
deleted file mode 100644
index 8e9c3cf..0000000
--- a/services/surfaceflinger/tests/unittests/libsurfaceflinger_unittest.filter
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-        // TODO(b/148517641): re-enable once this test is fixed
-        "presubmit": {
-            "filter": "*:-FrameTracerTest.*"
-        }
-}
diff --git a/services/surfaceflinger/tests/unittests/mock/MockLayer.h b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
index 494e73d..e2f6abd 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockLayer.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
@@ -31,7 +31,7 @@
     MOCK_METHOD0(getFrameSelectionPriority, int32_t());
     MOCK_CONST_METHOD0(isVisible, bool());
     MOCK_METHOD0(createClone, sp<Layer>());
-    MOCK_CONST_METHOD0(getFrameRate, std::optional<float>());
+    MOCK_CONST_METHOD0(getFrameRate, FrameRate());
 };
 
 } // namespace android::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
index d1df08c..2720537 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
@@ -40,6 +40,8 @@
     MOCK_METHOD2(recordRenderEngineDuration, void(nsecs_t, nsecs_t));
     MOCK_METHOD2(recordRenderEngineDuration, void(nsecs_t, const std::shared_ptr<FenceTime>&));
     MOCK_METHOD4(setPostTime, void(int32_t, uint64_t, const std::string&, nsecs_t));
+    MOCK_METHOD2(incrementLatchSkipped, void(int32_t layerId, LatchSkipReason reason));
+    MOCK_METHOD1(incrementBadDesiredPresent, void(int32_t layerId));
     MOCK_METHOD3(setLatchTime, void(int32_t, uint64_t, nsecs_t));
     MOCK_METHOD3(setDesiredTime, void(int32_t, uint64_t, nsecs_t));
     MOCK_METHOD3(setAcquireTime, void(int32_t, uint64_t, nsecs_t));