Merge tag 'android-16.0.0_r1' of https://android.googlesource.com/platform/frameworks/native into HEAD

Android 16.0.0 release 1

Change-Id: Iacaf25353d3020d7edcd8b9b6c484a94d875105f
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 44856ae..282922e 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -69,13 +69,13 @@
 #include <ui/FenceResult.h>
 
 #include <common/FlagManager.h>
-#include "ActivePictureUpdater.h"
-#include "BackgroundExecutor.h"
+#include "ActivePictureTracker.h"
 #include "Display/DisplayModeController.h"
 #include "Display/PhysicalDisplay.h"
 #include "Display/VirtualDisplaySnapshot.h"
 #include "DisplayDevice.h"
 #include "DisplayHardware/HWC2.h"
+#include "DisplayHardware/HWComposer.h"
 #include "DisplayIdGenerator.h"
 #include "Effects/Daltonizer.h"
 #include "FrontEnd/DisplayInfo.h"
@@ -87,6 +87,7 @@
 #include "LayerVector.h"
 #include "MutexUtils.h"
 #include "PowerAdvisor/PowerAdvisor.h"
+#include "QueuedTransactionState.h"
 #include "Scheduler/ISchedulerCallback.h"
 #include "Scheduler/RefreshRateSelector.h"
 #include "Scheduler/Scheduler.h"
@@ -95,19 +96,15 @@
 #include "Tracing/LayerTracing.h"
 #include "Tracing/TransactionTracing.h"
 #include "TransactionCallbackInvoker.h"
-#include "TransactionState.h"
 #include "Utils/OnceFuture.h"
 
 #include <algorithm>
 #include <atomic>
 #include <cstdint>
 #include <functional>
-#include <map>
 #include <memory>
 #include <mutex>
 #include <optional>
-#include <queue>
-#include <set>
 #include <string>
 #include <thread>
 #include <type_traits>
@@ -130,13 +127,11 @@
 class FpsReporter;
 class TunnelModeEnabledReporter;
 class HdrLayerInfoReporter;
-class HWComposer;
 class IGraphicBufferProducer;
 class Layer;
 class MessageBase;
 class RefreshRateOverlay;
 class RegionSamplingThread;
-class RenderArea;
 class TimeStats;
 class FrameTracer;
 class ScreenCapturer;
@@ -165,6 +160,7 @@
 class OutputLayer;
 
 struct CompositionRefreshArgs;
+class DisplayCreationArgsBuilder;
 } // namespace compositionengine
 
 namespace renderengine {
@@ -201,9 +197,6 @@
     Always,
 };
 
-struct DisplayRenderAreaBuilder;
-struct LayerRenderAreaBuilder;
-
 using DisplayColorSetting = compositionengine::OutputColorSetting;
 
 class SurfaceFlinger : public BnSurfaceComposer,
@@ -219,11 +212,9 @@
     SurfaceFlinger(surfaceflinger::Factory&, SkipInitializationTag) ANDROID_API;
     explicit SurfaceFlinger(surfaceflinger::Factory&) ANDROID_API;
 
-    // set main thread scheduling policy
-    static status_t setSchedFifo(bool enabled) ANDROID_API;
-
-    // set main thread scheduling attributes
-    static status_t setSchedAttr(bool enabled);
+    // Set scheduling policy and attributes of main thread.
+    static void setSchedFifo(bool enabled, const char* whence);
+    static void setSchedAttr(bool enabled, const char* whence);
 
     static char const* getServiceName() ANDROID_API { return "SurfaceFlinger"; }
 
@@ -248,6 +239,11 @@
     // ISurfaceComposer.getMaxAcquiredBufferCount().
     static int64_t minAcquiredBuffers;
 
+    // Controls the maximum acquired buffers SurfaceFlinger will suggest via
+    // ISurfaceComposer.getMaxAcquiredBufferCount().
+    // Value is set through ro.surface_flinger.max_acquired_buffers.
+    static std::optional<int64_t> maxAcquiredBuffersOpt;
+
     // Controls the maximum width and height in pixels that the graphics pipeline can support for
     // GPU fallback composition. For example, 8k devices with 4k GPUs, or 4k devices with 2k GPUs.
     static uint32_t maxGraphicsWidth;
@@ -354,9 +350,6 @@
     // We're reference counted, never destroy SurfaceFlinger directly
     virtual ~SurfaceFlinger();
 
-    virtual void processDisplayAdded(const wp<IBinder>& displayToken, const DisplayDeviceState&)
-            REQUIRES(mStateLock);
-
     virtual std::shared_ptr<renderengine::ExternalTexture> getExternalTextureFromBufferData(
             BufferData& bufferData, const char* layerName, uint64_t transactionId);
 
@@ -378,9 +371,7 @@
     friend class Layer;
     friend class RefreshRateOverlay;
     friend class RegionSamplingThread;
-    friend class LayerRenderArea;
     friend class SurfaceComposerAIDL;
-    friend class DisplayRenderArea;
 
     // For unit tests
     friend class TestableSurfaceFlinger;
@@ -389,7 +380,6 @@
 
     using TransactionSchedule = scheduler::TransactionSchedule;
     using GetLayerSnapshotsFunction = std::function<std::vector<std::pair<Layer*, sp<LayerFE>>>()>;
-    using RenderAreaBuilderVariant = std::variant<DisplayRenderAreaBuilder, LayerRenderAreaBuilder>;
     using DumpArgs = Vector<String16>;
     using Dumper = std::function<void(const DumpArgs&, bool asProto, std::string&)>;
 
@@ -545,6 +535,7 @@
 
     // ISurfaceComposer implementation:
     sp<IBinder> createVirtualDisplay(const std::string& displayName, bool isSecure,
+                                     gui::ISurfaceComposer::OptimizationPolicy optimizationPolicy,
                                      const std::string& uniqueId,
                                      float requestedRefreshRate = 0.0f);
     status_t destroyVirtualDisplay(const sp<IBinder>& displayToken);
@@ -554,13 +545,7 @@
     }
 
     sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const;
-    status_t setTransactionState(
-            const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
-            Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
-            InputWindowCommands inputWindowCommands, int64_t desiredPresentTime,
-            bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffers,
-            bool hasListenerCallbacks, const std::vector<ListenerCallbacks>& listenerCallbacks,
-            uint64_t transactionId, const std::vector<uint64_t>& mergedTransactionIds) override;
+    status_t setTransactionState(TransactionState&&) override;
     void bootFinished();
     status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const;
     sp<IDisplayEventConnection> createDisplayEventConnection(
@@ -667,7 +652,9 @@
 
     void updateHdcpLevels(hal::HWDisplayId hwcDisplayId, int32_t connectedLevel, int32_t maxLevel);
 
-    void setActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+    void addActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+
+    void removeActivePictureListener(const sp<gui::IActivePictureListener>& listener);
 
     // IBinder::DeathRecipient overrides:
     void binderDied(const wp<IBinder>& who) override;
@@ -730,15 +717,35 @@
                                        Fps maxFps);
 
     void initiateDisplayModeChanges() REQUIRES(kMainThreadContext) REQUIRES(mStateLock);
-    void finalizeDisplayModeChange(PhysicalDisplayId) REQUIRES(kMainThreadContext)
+
+    // Returns whether the commit stage should proceed. The return value is ignored when finalizing
+    // immediate mode changes, which happen toward the end of the commit stage.
+    // TODO: b/355427258 - Remove the return value once the `synced_resolution_switch` flag is live.
+    bool finalizeDisplayModeChange(PhysicalDisplayId) REQUIRES(kMainThreadContext)
             REQUIRES(mStateLock);
 
     void dropModeRequest(PhysicalDisplayId) REQUIRES(kMainThreadContext);
     void applyActiveMode(PhysicalDisplayId) REQUIRES(kMainThreadContext);
 
     // Called on the main thread in response to setPowerMode()
-    void setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode)
+    void setPhysicalDisplayPowerMode(const sp<DisplayDevice>& display, hal::PowerMode mode)
             REQUIRES(mStateLock, kMainThreadContext);
+    void setVirtualDisplayPowerMode(const sp<DisplayDevice>& display, hal::PowerMode mode)
+            REQUIRES(mStateLock, kMainThreadContext);
+
+    // Returns whether to optimize globally for performance instead of power.
+    bool shouldOptimizeForPerformance() REQUIRES(mStateLock);
+
+    // Turns on power optimizations, for example when there are no displays to be optimized for
+    // performance.
+    static void enablePowerOptimizations(const char* whence);
+
+    // Turns off power optimizations.
+    static void disablePowerOptimizations(const char* whence);
+
+    // Enables or disables power optimizations depending on whether there are displays that should
+    // be optimized for performance.
+    void applyOptimizationPolicy(const char* whence) REQUIRES(mStateLock);
 
     // Returns the preferred mode for PhysicalDisplayId if the Scheduler has selected one for that
     // display. Falls back to the display's defaultModeId otherwise.
@@ -785,7 +792,7 @@
      */
     bool applyTransactionState(const FrameTimelineInfo& info,
                                std::vector<ResolvedComposerState>& state,
-                               Vector<DisplayState>& displays, uint32_t flags,
+                               std::span<DisplayState> displays, uint32_t flags,
                                const InputWindowCommands& inputWindowCommands,
                                const int64_t desiredPresentTime, bool isAutoTimestamp,
                                const std::vector<uint64_t>& uncacheBufferIds,
@@ -797,8 +804,9 @@
     // For test only
     bool flushTransactionQueues() REQUIRES(kMainThreadContext);
 
-    bool applyTransactions(std::vector<TransactionState>&) REQUIRES(kMainThreadContext);
-    bool applyAndCommitDisplayTransactionStatesLocked(std::vector<TransactionState>& transactions)
+    bool applyTransactions(std::vector<QueuedTransactionState>&) REQUIRES(kMainThreadContext);
+    bool applyAndCommitDisplayTransactionStatesLocked(
+            std::vector<QueuedTransactionState>& transactions)
             REQUIRES(kMainThreadContext, mStateLock);
 
     // Returns true if there is at least one transaction that needs to be flushed
@@ -827,7 +835,7 @@
 
     static LatchUnsignaledConfig getLatchUnsignaledConfig();
     bool shouldLatchUnsignaled(const layer_state_t&, size_t numStates, bool firstTransaction) const;
-    bool applyTransactionsLocked(std::vector<TransactionState>& transactions)
+    bool applyTransactionsLocked(std::vector<QueuedTransactionState>& transactions)
             REQUIRES(mStateLock, kMainThreadContext);
     uint32_t setDisplayStateLocked(const DisplayState& s) REQUIRES(mStateLock);
     uint32_t addInputWindowCommands(const InputWindowCommands& inputWindowCommands)
@@ -845,6 +853,9 @@
     status_t createEffectLayer(const LayerCreationArgs& args, sp<IBinder>* outHandle,
                                sp<Layer>* outLayer);
 
+    // Checks if there are layer leaks before creating layer
+    status_t checkLayerLeaks();
+
     status_t mirrorLayer(const LayerCreationArgs& args, const sp<IBinder>& mirrorFromHandle,
                          gui::CreateSurfaceResult& outResult);
 
@@ -865,31 +876,77 @@
 
     using OutputCompositionState = compositionengine::impl::OutputCompositionState;
 
-    std::optional<OutputCompositionState> getSnapshotsFromMainThread(
-            RenderAreaBuilderVariant& renderAreaBuilder,
-            GetLayerSnapshotsFunction getLayerSnapshotsFn,
-            std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
+    /*
+     * Parameters used across screenshot methods.
+     */
+    struct ScreenshotArgs {
+        // Contains the sequence ID of the parent layer if the screenshot is
+        // initiated though captureLayers(), or the display that the render
+        // result will be on if initiated through captureDisplay()
+        std::variant<int32_t, wp<const DisplayDevice>> captureTypeVariant;
 
-    void captureScreenCommon(RenderAreaBuilderVariant, GetLayerSnapshotsFunction,
-                             ui::Size bufferSize, ui::PixelFormat, bool allowProtected,
-                             bool grayscale, bool attachGainmap, const sp<IScreenCaptureListener>&);
+        // Display ID of the display the result will be on
+        ftl::Optional<DisplayIdVariant> displayIdVariant{std::nullopt};
 
-    std::optional<OutputCompositionState> getDisplayStateFromRenderAreaBuilder(
-            RenderAreaBuilderVariant& renderAreaBuilder) REQUIRES(kMainThreadContext);
+        // If true, transform is inverted from the parent layer snapshot
+        bool childrenOnly{false};
+
+        // Source crop of the render area
+        Rect sourceCrop;
+
+        // Transform to be applied on the layers to transform them
+        // into the logical render area
+        ui::Transform transform;
+
+        // Size of the physical render area
+        ui::Size reqSize;
+
+        // Composition dataspace of the render area
+        ui::Dataspace dataspace;
+
+        // If false, the secure layer is blacked out or skipped
+        // when rendered to an insecure render area
+        bool isSecure{false};
+
+        // If true, the render result may be used for system animations
+        // that must preserve the exact colors of the display
+        bool seamlessTransition{false};
+
+        // Current display brightness of the output composition state
+        float displayBrightnessNits{-1.f};
+
+        // SDR white point of the output composition state
+        float sdrWhitePointNits{-1.f};
+
+        // Current active color mode of the output composition state
+        ui::ColorMode colorMode{ui::ColorMode::NATIVE};
+
+        // Current active render intent of the output composition state
+        ui::RenderIntent renderIntent{ui::RenderIntent::COLORIMETRIC};
+    };
+
+    bool getSnapshotsFromMainThread(ScreenshotArgs& args,
+                                    GetLayerSnapshotsFunction getLayerSnapshotsFn,
+                                    std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
+
+    void captureScreenCommon(ScreenshotArgs& args, GetLayerSnapshotsFunction, ui::Size bufferSize,
+                             ui::PixelFormat, bool allowProtected, bool grayscale,
+                             const sp<IScreenCaptureListener>&);
+
+    bool getDisplayStateOnMainThread(ScreenshotArgs& args) REQUIRES(kMainThreadContext);
 
     ftl::SharedFuture<FenceResult> captureScreenshot(
-            const RenderAreaBuilderVariant& renderAreaBuilder,
-            const std::shared_ptr<renderengine::ExternalTexture>& buffer, bool regionSampling,
-            bool grayscale, bool isProtected, bool attachGainmap,
+            ScreenshotArgs& args, const std::shared_ptr<renderengine::ExternalTexture>& buffer,
+            bool regionSampling, bool grayscale, bool isProtected,
             const sp<IScreenCaptureListener>& captureListener,
-            std::optional<OutputCompositionState>& displayState,
-            std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
+            const std::vector<std::pair<Layer*, sp<LayerFE>>>& layers,
+            const std::shared_ptr<renderengine::ExternalTexture>& hdrBuffer = nullptr,
+            const std::shared_ptr<renderengine::ExternalTexture>& gainmapBuffer = nullptr);
 
     ftl::SharedFuture<FenceResult> renderScreenImpl(
-            const RenderArea*, const std::shared_ptr<renderengine::ExternalTexture>&,
+            ScreenshotArgs& args, const std::shared_ptr<renderengine::ExternalTexture>&,
             bool regionSampling, bool grayscale, bool isProtected, ScreenCaptureResults&,
-            std::optional<OutputCompositionState>& displayState,
-            std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
+            const std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
 
     bool canAllocateHwcDisplayIdForVDS(uint64_t usage);
 
@@ -985,10 +1042,10 @@
     // region of all screens presenting this layer stack.
     void invalidateLayerStack(const ui::LayerFilter& layerFilter, const Region& dirty);
 
-    ui::LayerFilter makeLayerFilterForDisplay(DisplayId displayId, ui::LayerStack layerStack)
+    ui::LayerFilter makeLayerFilterForDisplay(DisplayIdVariant displayId, ui::LayerStack layerStack)
             REQUIRES(mStateLock) {
         return {layerStack,
-                PhysicalDisplayId::tryCast(displayId)
+                asPhysicalDisplayId(displayId)
                         .and_then(display::getPhysicalDisplay(mPhysicalDisplays))
                         .transform(&display::PhysicalDisplay::isInternal)
                         .value_or(false)};
@@ -1027,7 +1084,8 @@
     // Returns the active mode ID, or nullopt on hotplug failure.
     std::optional<DisplayModeId> processHotplugConnect(PhysicalDisplayId, hal::HWDisplayId,
                                                        DisplayIdentificationInfo&&,
-                                                       const char* displayString)
+                                                       const char* displayString,
+                                                       HWComposer::HotplugEvent event)
             REQUIRES(mStateLock, kMainThreadContext);
     void processHotplugDisconnect(PhysicalDisplayId, const char* displayString)
             REQUIRES(mStateLock, kMainThreadContext);
@@ -1039,6 +1097,8 @@
             const sp<compositionengine::DisplaySurface>& displaySurface,
             const sp<IGraphicBufferProducer>& producer) REQUIRES(mStateLock);
     void processDisplayChangesLocked() REQUIRES(mStateLock, kMainThreadContext);
+    void processDisplayAdded(const wp<IBinder>& displayToken, const DisplayDeviceState&)
+            REQUIRES(mStateLock, kMainThreadContext);
     void processDisplayRemoved(const wp<IBinder>& displayToken)
             REQUIRES(mStateLock, kMainThreadContext);
     void processDisplayChanged(const wp<IBinder>& displayToken,
@@ -1078,9 +1138,11 @@
     void enableHalVirtualDisplays(bool);
 
     // Virtual display lifecycle for ID generation and HAL allocation.
-    VirtualDisplayId acquireVirtualDisplay(ui::Size, ui::PixelFormat, const std::string& uniqueId,
-            bool canAllocateHwcForVDS)
+    std::optional<VirtualDisplayIdVariant> acquireVirtualDisplay(
+            ui::Size, ui::PixelFormat, const std::string& uniqueId,
+            compositionengine::DisplayCreationArgsBuilder&, bool canAllocateHwcDisplayIdForVDS)
             REQUIRES(mStateLock);
+
     template <typename ID>
     void acquireVirtualDisplaySnapshot(ID displayId, const std::string& uniqueId) {
         std::lock_guard lock(mVirtualDisplaysMutex);
@@ -1091,7 +1153,7 @@
         }
     }
 
-    void releaseVirtualDisplay(VirtualDisplayId);
+    void releaseVirtualDisplay(VirtualDisplayIdVariant displayId);
     void releaseVirtualDisplaySnapshot(VirtualDisplayId displayId);
 
     // Returns a display other than `mActiveDisplayId` that can be activated, if any.
@@ -1176,7 +1238,7 @@
 
     bool isHdrLayer(const frontend::LayerSnapshot& snapshot) const;
 
-    ui::Rotation getPhysicalDisplayOrientation(DisplayId, bool isPrimary) const
+    ui::Rotation getPhysicalDisplayOrientation(PhysicalDisplayId, bool isPrimary) const
             REQUIRES(mStateLock);
     void traverseLegacyLayers(const LayerVector::Visitor& visitor) const
             REQUIRES(kMainThreadContext);
@@ -1277,11 +1339,9 @@
 
     struct HotplugEvent {
         hal::HWDisplayId hwcDisplayId;
-        hal::Connection connection = hal::Connection::INVALID;
+        HWComposer::HotplugEvent event;
     };
 
-    bool mIsHdcpViaNegVsync = false;
-
     std::mutex mHotplugMutex;
     std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mHotplugMutex);
 
@@ -1363,6 +1423,7 @@
     std::atomic<int> mNumTrustedPresentationListeners = 0;
 
     std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine;
+    std::unique_ptr<HWComposer> mHWComposer;
 
     CompositionCoveragePerDisplay mCompositionCoverage;
 
@@ -1398,16 +1459,14 @@
     // Flag used to set override desired display mode from backdoor
     bool mDebugDisplayModeSetByBackdoor = false;
 
-    // Tracks the number of maximum queued buffers by layer owner Uid.
-    using BufferStuffingMap = ftl::SmallMap<uid_t, uint32_t, 10>;
     BufferCountTracker mBufferCountTracker;
 
     std::unordered_map<DisplayId, sp<HdrLayerInfoReporter>> mHdrLayerInfoListeners
             GUARDED_BY(mStateLock);
 
-    sp<gui::IActivePictureListener> mActivePictureListener GUARDED_BY(mStateLock);
-    bool mHaveNewActivePictureListener GUARDED_BY(mStateLock);
-    ActivePictureUpdater mActivePictureUpdater GUARDED_BY(kMainThreadContext);
+    ActivePictureTracker mActivePictureTracker GUARDED_BY(kMainThreadContext);
+    ActivePictureTracker::Listeners mActivePictureListenersToAdd GUARDED_BY(mStateLock);
+    ActivePictureTracker::Listeners mActivePictureListenersToRemove GUARDED_BY(mStateLock);
 
     std::atomic<ui::Transform::RotationFlags> mActiveDisplayTransformHint;
 
@@ -1526,9 +1585,11 @@
             const sp<IBinder>& layerHandle,
             sp<gui::IDisplayEventConnection>* outConnection) override;
     binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override;
-    binder::Status createVirtualDisplay(const std::string& displayName, bool isSecure,
-                                        const std::string& uniqueId, float requestedRefreshRate,
-                                        sp<IBinder>* outDisplay) override;
+    binder::Status createVirtualDisplay(
+            const std::string& displayName, bool isSecure,
+            gui::ISurfaceComposer::OptimizationPolicy optimizationPolicy,
+            const std::string& uniqueId, float requestedRefreshRate,
+            sp<IBinder>* outDisplay) override;
     binder::Status destroyVirtualDisplay(const sp<IBinder>& displayToken) override;
     binder::Status getPhysicalDisplayIds(std::vector<int64_t>* outDisplayIds) override;
     binder::Status getPhysicalDisplayToken(int64_t displayId, sp<IBinder>* outDisplay) override;
@@ -1648,8 +1709,8 @@
     binder::Status flushJankData(int32_t layerId) override;
     binder::Status removeJankListener(int32_t layerId, const sp<gui::IJankListener>& listener,
                                       int64_t afterVsync) override;
-    binder::Status setActivePictureListener(const sp<gui::IActivePictureListener>& listener);
-    binder::Status clearActivePictureListener();
+    binder::Status addActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+    binder::Status removeActivePictureListener(const sp<gui::IActivePictureListener>& listener);
 
 private:
     static const constexpr bool kUsePermissionCache = true;