| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <sys/types.h> |
| |
| /* |
| * NOTE: Make sure this file doesn't include anything from <gl/ > or <gl2/ > |
| */ |
| |
| #include <android-base/thread_annotations.h> |
| #include <compositionengine/OutputColorSetting.h> |
| #include <cutils/atomic.h> |
| #include <cutils/compiler.h> |
| #include <gui/BufferQueue.h> |
| #include <gui/FrameTimestamps.h> |
| #include <gui/ISurfaceComposer.h> |
| #include <gui/ISurfaceComposerClient.h> |
| #include <gui/ITransactionCompletedListener.h> |
| #include <gui/LayerState.h> |
| #include <gui/OccupancyTracker.h> |
| #include <input/ISetInputWindowsListener.h> |
| #include <layerproto/LayerProtoHeader.h> |
| #include <math/mat4.h> |
| #include <renderengine/LayerSettings.h> |
| #include <serviceutils/PriorityDumper.h> |
| #include <system/graphics.h> |
| #include <ui/FenceTime.h> |
| #include <ui/PixelFormat.h> |
| #include <ui/Size.h> |
| #include <utils/Errors.h> |
| #include <utils/KeyedVector.h> |
| #include <utils/RefBase.h> |
| #include <utils/SortedVector.h> |
| #include <utils/Trace.h> |
| #include <utils/threads.h> |
| |
| #include "ClientCache.h" |
| #include "DisplayDevice.h" |
| #include "DisplayHardware/HWC2.h" |
| #include "DisplayHardware/PowerAdvisor.h" |
| #include "Effects/Daltonizer.h" |
| #include "FrameTracker.h" |
| #include "LayerVector.h" |
| #include "Scheduler/RefreshRateConfigs.h" |
| #include "Scheduler/RefreshRateStats.h" |
| #include "Scheduler/Scheduler.h" |
| #include "Scheduler/VSyncModulator.h" |
| #include "SurfaceFlingerFactory.h" |
| #include "SurfaceTracing.h" |
| #include "TracedOrdinal.h" |
| #include "TransactionCompletedThread.h" |
| |
| #include <atomic> |
| #include <cstdint> |
| #include <functional> |
| #include <future> |
| #include <map> |
| #include <memory> |
| #include <mutex> |
| #include <optional> |
| #include <queue> |
| #include <set> |
| #include <string> |
| #include <thread> |
| #include <type_traits> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <utility> |
| |
| using namespace android::surfaceflinger; |
| |
| namespace android { |
| |
| class Client; |
| class EventThread; |
| class HWComposer; |
| class IGraphicBufferProducer; |
| class IInputFlinger; |
| class Layer; |
| class MessageBase; |
| class RefreshRateOverlay; |
| class RegionSamplingThread; |
| class TimeStats; |
| class FrameTracer; |
| |
| namespace compositionengine { |
| class DisplaySurface; |
| class OutputLayer; |
| |
| struct CompositionRefreshArgs; |
| } // namespace compositionengine |
| |
| namespace renderengine { |
| class RenderEngine; |
| } // namespace renderengine |
| |
| namespace dvr { |
| class VrFlinger; |
| } // namespace dvr |
| |
| enum { |
| eTransactionNeeded = 0x01, |
| eTraversalNeeded = 0x02, |
| eDisplayTransactionNeeded = 0x04, |
| eTransformHintUpdateNeeded = 0x08, |
| eTransactionFlushNeeded = 0x10, |
| eTransactionMask = 0x1f, |
| }; |
| |
| using DisplayColorSetting = compositionengine::OutputColorSetting; |
| |
| class SurfaceFlingerBE |
| { |
| public: |
| SurfaceFlingerBE(); |
| |
| const std::string mHwcServiceName; // "default" for real use, something else for testing. |
| |
| FenceTimeline mGlCompositionDoneTimeline; |
| FenceTimeline mDisplayTimeline; |
| |
| // protected by mCompositorTimingLock; |
| mutable std::mutex mCompositorTimingLock; |
| CompositorTiming mCompositorTiming; |
| |
| // Only accessed from the main thread. |
| struct CompositePresentTime { |
| nsecs_t composite = -1; |
| std::shared_ptr<FenceTime> display = FenceTime::NO_FENCE; |
| }; |
| std::queue<CompositePresentTime> mCompositePresentTimes; |
| |
| static const size_t NUM_BUCKETS = 8; // < 1-7, 7+ |
| nsecs_t mFrameBuckets[NUM_BUCKETS] = {}; |
| nsecs_t mTotalTime = 0; |
| std::atomic<nsecs_t> mLastSwapTime = 0; |
| |
| // Double- vs. triple-buffering stats |
| struct BufferingStats { |
| size_t numSegments = 0; |
| nsecs_t totalTime = 0; |
| |
| // "Two buffer" means that a third buffer was never used, whereas |
| // "double-buffered" means that on average the segment only used two |
| // buffers (though it may have used a third for some part of the |
| // segment) |
| nsecs_t twoBufferTime = 0; |
| nsecs_t doubleBufferedTime = 0; |
| nsecs_t tripleBufferedTime = 0; |
| }; |
| mutable Mutex mBufferingStatsMutex; |
| std::unordered_map<std::string, BufferingStats> mBufferingStats; |
| |
| // The composer sequence id is a monotonically increasing integer that we |
| // use to differentiate callbacks from different hardware composer |
| // instances. Each hardware composer instance gets a different sequence id. |
| int32_t mComposerSequenceId = 0; |
| }; |
| |
| class SurfaceFlinger : public BnSurfaceComposer, |
| public PriorityDumper, |
| public ClientCache::ErasedRecipient, |
| private IBinder::DeathRecipient, |
| private HWC2::ComposerCallback, |
| private ISchedulerCallback { |
| public: |
| SurfaceFlingerBE& getBE() { return mBE; } |
| const SurfaceFlingerBE& getBE() const { return mBE; } |
| |
| // This is the phase offset in nanoseconds of the software vsync event |
| // relative to the vsync event reported by HWComposer. The software vsync |
| // event is when SurfaceFlinger and Choreographer-based applications run each |
| // frame. |
| // |
| // This phase offset allows adjustment of the minimum latency from application |
| // wake-up time (by Choreographer) to the time at which the resulting window |
| // image is displayed. This value may be either positive (after the HW vsync) |
| // or negative (before the HW vsync). Setting it to 0 will result in a lower |
| // latency bound of two vsync periods because the app and SurfaceFlinger |
| // will run just after the HW vsync. Setting it to a positive number will |
| // result in the minimum latency being: |
| // |
| // (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD)) |
| // |
| // Note that reducing this latency makes it more likely for the applications |
| // to not have their window content image ready in time. When this happens |
| // the latency will end up being an additional vsync period, and animations |
| // will hiccup. Therefore, this latency should be tuned somewhat |
| // conservatively (or at least with awareness of the trade-off being made). |
| static int64_t vsyncPhaseOffsetNs; |
| static int64_t sfVsyncPhaseOffsetNs; |
| |
| // If fences from sync Framework are supported. |
| static bool hasSyncFramework; |
| |
| // The offset in nanoseconds to use when DispSync timestamps present fence |
| // signaling time. |
| static int64_t dispSyncPresentTimeOffset; |
| |
| // Some hardware can do RGB->YUV conversion more efficiently in hardware |
| // controlled by HWC than in hardware controlled by the video encoder. |
| // This instruct VirtualDisplaySurface to use HWC for such conversion on |
| // GL composition. |
| static bool useHwcForRgbToYuv; |
| |
| // Maximum dimension supported by HWC for virtual display. |
| // Equal to min(max_height, max_width). |
| static uint64_t maxVirtualDisplaySize; |
| |
| // Controls the number of buffers SurfaceFlinger will allocate for use in |
| // FramebufferSurface |
| static int64_t maxFrameBufferAcquiredBuffers; |
| |
| // 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; |
| static uint32_t maxGraphicsHeight; |
| |
| // Indicate if a device has wide color gamut display. This is typically |
| // found on devices with wide color gamut (e.g. Display-P3) display. |
| static bool hasWideColorDisplay; |
| |
| static ui::Rotation internalDisplayOrientation; |
| |
| // Indicate if device wants color management on its display. |
| static bool useColorManagement; |
| |
| static bool useContextPriority; |
| |
| // The data space and pixel format that SurfaceFlinger expects hardware composer |
| // to composite efficiently. Meaning under most scenarios, hardware composer |
| // will accept layers with the data space and pixel format. |
| static ui::Dataspace defaultCompositionDataspace; |
| static ui::PixelFormat defaultCompositionPixelFormat; |
| |
| // The data space and pixel format that SurfaceFlinger expects hardware composer |
| // to composite efficiently for wide color gamut surfaces. Meaning under most scenarios, |
| // hardware composer will accept layers with the data space and pixel format. |
| static ui::Dataspace wideColorGamutCompositionDataspace; |
| static ui::PixelFormat wideColorGamutCompositionPixelFormat; |
| |
| // Whether to use frame rate API when deciding about the refresh rate of the display. This |
| // variable is caches in SF, so that we can check it with each layer creation, and a void the |
| // overhead that is caused by reading from sysprop. |
| static bool useFrameRateApi; |
| |
| // set main thread scheduling policy |
| static status_t setSchedFifo(bool enabled) ANDROID_API; |
| |
| static char const* getServiceName() ANDROID_API { |
| return "SurfaceFlinger"; |
| } |
| |
| struct SkipInitializationTag {}; |
| static constexpr SkipInitializationTag SkipInitialization; |
| SurfaceFlinger(surfaceflinger::Factory&, SkipInitializationTag) ANDROID_API; |
| explicit SurfaceFlinger(surfaceflinger::Factory&) ANDROID_API; |
| |
| // must be called before clients can connect |
| void init() ANDROID_API; |
| |
| // starts SurfaceFlinger main loop in the current thread |
| void run() ANDROID_API; |
| |
| // Schedule an asynchronous or synchronous task on the main thread. |
| template <typename F, typename T = std::invoke_result_t<F>> |
| [[nodiscard]] std::future<T> schedule(F&&); |
| |
| // force full composition on all displays |
| void repaintEverything(); |
| |
| surfaceflinger::Factory& getFactory() { return mFactory; } |
| |
| // The CompositionEngine encapsulates all composition related interfaces and actions. |
| compositionengine::CompositionEngine& getCompositionEngine() const; |
| |
| // Obtains a name from the texture pool, or, if the pool is empty, posts a |
| // synchronous message to the main thread to obtain one on the fly |
| uint32_t getNewTexture(); |
| |
| // utility function to delete a texture on the main thread |
| void deleteTextureAsync(uint32_t texture); |
| |
| // enable/disable h/w composer event |
| // TODO: this should be made accessible only to EventThread |
| void setPrimaryVsyncEnabled(bool enabled); |
| |
| // main thread function to enable/disable h/w composer event |
| void setPrimaryVsyncEnabledInternal(bool enabled) REQUIRES(mStateLock); |
| |
| // called on the main thread by MessageQueue when an internal message |
| // is received |
| // TODO: this should be made accessible only to MessageQueue |
| void onMessageReceived(int32_t what, nsecs_t expectedVSyncTime); |
| |
| renderengine::RenderEngine& getRenderEngine() const; |
| |
| bool authenticateSurfaceTextureLocked( |
| const sp<IGraphicBufferProducer>& bufferProducer) const; |
| |
| void onLayerFirstRef(Layer*); |
| void onLayerDestroyed(Layer*); |
| |
| void removeFromOffscreenLayers(Layer* layer); |
| |
| TransactionCompletedThread& getTransactionCompletedThread() { |
| return mTransactionCompletedThread; |
| } |
| |
| // Converts from a binder handle to a Layer |
| // Returns nullptr if the handle does not point to an existing layer. |
| // Otherwise, returns a weak reference so that callers off the main-thread |
| // won't accidentally hold onto the last strong reference. |
| wp<Layer> fromHandle(const sp<IBinder>& handle); |
| wp<Layer> fromHandleLocked(const sp<IBinder>& handle) REQUIRES(mStateLock); |
| |
| // Inherit from ClientCache::ErasedRecipient |
| void bufferErased(const client_cache_t& clientCacheId) override; |
| |
| // If set, disables reusing client composition buffers. This can be set by |
| // debug.sf.disable_client_composition_cache |
| bool mDisableClientCompositionCache = false; |
| |
| private: |
| friend class BufferLayer; |
| friend class BufferQueueLayer; |
| friend class BufferStateLayer; |
| friend class Client; |
| friend class Layer; |
| friend class MonitoredProducer; |
| friend class RefreshRateOverlay; |
| friend class RegionSamplingThread; |
| friend class SurfaceTracing; |
| |
| // For unit tests |
| friend class TestableSurfaceFlinger; |
| friend class TransactionApplicationTest; |
| |
| // This value is specified in number of frames. Log frame stats at most |
| // every half hour. |
| enum { LOG_FRAME_STATS_PERIOD = 30*60*60 }; |
| |
| static const int MAX_TRACING_MEMORY = 100 * 1024 * 1024; // 100MB |
| |
| protected: |
| // We're reference counted, never destroy SurfaceFlinger directly |
| virtual ~SurfaceFlinger(); |
| |
| private: |
| /* ------------------------------------------------------------------------ |
| * Internal data structures |
| */ |
| |
| class State { |
| public: |
| explicit State(LayerVector::StateSet set) : stateSet(set), layersSortedByZ(set) {} |
| State& operator=(const State& other) { |
| // We explicitly don't copy stateSet so that, e.g., mDrawingState |
| // always uses the Drawing StateSet. |
| layersSortedByZ = other.layersSortedByZ; |
| displays = other.displays; |
| colorMatrixChanged = other.colorMatrixChanged; |
| if (colorMatrixChanged) { |
| colorMatrix = other.colorMatrix; |
| } |
| globalShadowSettings = other.globalShadowSettings; |
| |
| return *this; |
| } |
| |
| const LayerVector::StateSet stateSet = LayerVector::StateSet::Invalid; |
| LayerVector layersSortedByZ; |
| DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays; |
| |
| bool colorMatrixChanged = true; |
| mat4 colorMatrix; |
| |
| renderengine::ShadowSettings globalShadowSettings; |
| |
| void traverse(const LayerVector::Visitor& visitor) const; |
| void traverseInZOrder(const LayerVector::Visitor& visitor) const; |
| void traverseInReverseZOrder(const LayerVector::Visitor& visitor) const; |
| }; |
| |
| /* ------------------------------------------------------------------------ |
| * IBinder interface |
| */ |
| status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override; |
| status_t dump(int fd, const Vector<String16>& args) override { return priorityDump(fd, args); } |
| bool callingThreadHasUnscopedSurfaceFlingerAccess(bool usePermissionCache = true) |
| EXCLUDES(mStateLock); |
| |
| /* ------------------------------------------------------------------------ |
| * ISurfaceComposer interface |
| */ |
| sp<ISurfaceComposerClient> createConnection() override; |
| sp<IBinder> createDisplay(const String8& displayName, bool secure) override; |
| void destroyDisplay(const sp<IBinder>& displayToken) override; |
| std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const override; |
| sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const override; |
| void setTransactionState(const Vector<ComposerState>& state, |
| const Vector<DisplayState>& displays, uint32_t flags, |
| const sp<IBinder>& applyToken, |
| const InputWindowCommands& inputWindowCommands, |
| int64_t desiredPresentTime, const client_cache_t& uncacheBuffer, |
| bool hasListenerCallbacks, |
| const std::vector<ListenerCallbacks>& listenerCallbacks) override; |
| void bootFinished() override; |
| bool authenticateSurfaceTexture( |
| const sp<IGraphicBufferProducer>& bufferProducer) const override; |
| status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override; |
| sp<IDisplayEventConnection> createDisplayEventConnection( |
| ISurfaceComposer::VsyncSource vsyncSource = eVsyncSourceApp, |
| ISurfaceComposer::ConfigChanged configChanged = |
| ISurfaceComposer::eConfigChangedSuppress) override; |
| status_t captureScreen(const sp<IBinder>& displayToken, sp<GraphicBuffer>* outBuffer, |
| bool& outCapturedSecureLayers, ui::Dataspace reqDataspace, |
| ui::PixelFormat reqPixelFormat, const Rect& sourceCrop, |
| uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform, |
| ui::Rotation rotation, bool captureSecureLayers) override; |
| status_t captureScreen(uint64_t displayOrLayerStack, ui::Dataspace* outDataspace, |
| sp<GraphicBuffer>* outBuffer) override; |
| status_t captureLayers( |
| const sp<IBinder>& parentHandle, sp<GraphicBuffer>* outBuffer, |
| const ui::Dataspace reqDataspace, const ui::PixelFormat reqPixelFormat, |
| const Rect& sourceCrop, |
| const std::unordered_set<sp<IBinder>, ISurfaceComposer::SpHash<IBinder>>& exclude, |
| float frameScale, bool childrenOnly) override; |
| |
| status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* stats) 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>*) override; |
| status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken, |
| 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, |
| bool* outSupported) const override; |
| void setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on) override; |
| status_t getGameContentTypeSupport(const sp<IBinder>& displayToken, |
| bool* outSupported) const override; |
| void setGameContentType(const sp<IBinder>& displayToken, bool on) override; |
| void setPowerMode(const sp<IBinder>& displayToken, int mode) override; |
| status_t clearAnimationFrameStats() override; |
| status_t getAnimationFrameStats(FrameStats* outStats) const override; |
| status_t getHdrCapabilities(const sp<IBinder>& displayToken, |
| HdrCapabilities* outCapabilities) const override; |
| status_t enableVSyncInjections(bool enable) override; |
| status_t injectVSync(nsecs_t when) override; |
| status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override; |
| status_t getColorManagement(bool* outGetColorManagement) const override; |
| status_t getCompositionPreference(ui::Dataspace* outDataspace, ui::PixelFormat* outPixelFormat, |
| ui::Dataspace* outWideColorGamutDataspace, |
| ui::PixelFormat* outWideColorGamutPixelFormat) const override; |
| status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& displayToken, |
| ui::PixelFormat* outFormat, |
| ui::Dataspace* outDataspace, |
| uint8_t* outComponentMask) const override; |
| status_t setDisplayContentSamplingEnabled(const sp<IBinder>& displayToken, bool enable, |
| uint8_t componentMask, uint64_t maxFrames) override; |
| status_t getDisplayedContentSample(const sp<IBinder>& displayToken, uint64_t maxFrames, |
| uint64_t timestamp, |
| DisplayedFrameStats* outStats) const override; |
| status_t getProtectedContentSupport(bool* outSupported) const override; |
| status_t isWideColorDisplay(const sp<IBinder>& displayToken, |
| bool* outIsWideColorDisplay) const override; |
| status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle, |
| const sp<IRegionSamplingListener>& listener) override; |
| status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override; |
| status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken, int32_t displayModeId, |
| float primaryRefreshRateMin, float primaryRefreshRateMax, |
| float appRequestRefreshRateMin, |
| float appRequestRefreshRateMax) override; |
| status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken, |
| int32_t* outDefaultConfig, |
| float* outPrimaryRefreshRateMin, |
| float* outPrimaryRefreshRateMax, |
| float* outAppRequestRefreshRateMin, |
| float* outAppRequestRefreshRateMax) override; |
| status_t getDisplayBrightnessSupport(const sp<IBinder>& displayToken, |
| bool* outSupport) const override; |
| status_t setDisplayBrightness(const sp<IBinder>& displayToken, float brightness) override; |
| status_t notifyPowerHint(int32_t hintId) override; |
| status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor, |
| float lightPosY, float lightPosZ, float lightRadius) override; |
| status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate, |
| int8_t compatibility) override; |
| status_t acquireFrameRateFlexibilityToken(sp<IBinder>* outToken) override; |
| /* ------------------------------------------------------------------------ |
| * DeathRecipient interface |
| */ |
| void binderDied(const wp<IBinder>& who) override; |
| |
| /* ------------------------------------------------------------------------ |
| * RefBase interface |
| */ |
| void onFirstRef() override; |
| |
| /* ------------------------------------------------------------------------ |
| * HWC2::ComposerCallback / HWComposer::EventHandler interface |
| */ |
| void onVsyncReceived(int32_t sequenceId, hal::HWDisplayId hwcDisplayId, int64_t timestamp, |
| std::optional<hal::VsyncPeriodNanos> vsyncPeriod) override; |
| void onHotplugReceived(int32_t sequenceId, hal::HWDisplayId hwcDisplayId, |
| hal::Connection connection) override; |
| void onRefreshReceived(int32_t sequenceId, hal::HWDisplayId hwcDisplayId) override; |
| void onVsyncPeriodTimingChangedReceived( |
| int32_t sequenceId, hal::HWDisplayId display, |
| const hal::VsyncPeriodChangeTimeline& updatedTimeline) override; |
| void onSeamlessPossible(int32_t sequenceId, hal::HWDisplayId display) override; |
| |
| /* ------------------------------------------------------------------------ |
| * ISchedulerCallback |
| */ |
| void changeRefreshRate(const Scheduler::RefreshRate&, Scheduler::ConfigEvent) override; |
| // force full composition on all displays without resetting the scheduler idle timer. |
| void repaintEverythingForHWC() override; |
| // Called when kernel idle timer has expired. Used to update the refresh rate overlay. |
| void kernelTimerChanged(bool expired) override; |
| // Toggles the kernel idle timer on or off depending the policy decisions around refresh rates. |
| void toggleKernelIdleTimer(); |
| // Keeps track of whether the kernel idle timer is currently enabled, so we don't have to |
| // make calls to sys prop each time. |
| bool mKernelIdleTimerEnabled = false; |
| // Keeps track of whether the kernel timer is supported on the SF side. |
| bool mSupportKernelIdleTimer = false; |
| /* ------------------------------------------------------------------------ |
| * Message handling |
| */ |
| // Can only be called from the main thread or with mStateLock held |
| void signalTransaction(); |
| // Can only be called from the main thread or with mStateLock held |
| void signalLayerUpdate(); |
| void signalRefresh(); |
| |
| using RefreshRate = scheduler::RefreshRateConfigs::RefreshRate; |
| |
| struct ActiveConfigInfo { |
| HwcConfigIndexType configId; |
| Scheduler::ConfigEvent event = Scheduler::ConfigEvent::None; |
| |
| bool operator!=(const ActiveConfigInfo& other) const { |
| return configId != other.configId || event != other.event; |
| } |
| }; |
| |
| // called on the main thread in response to initializeDisplays() |
| void onInitializeDisplays() REQUIRES(mStateLock); |
| // Sets the desired active config bit. It obtains the lock, and sets mDesiredActiveConfig. |
| void setDesiredActiveConfig(const ActiveConfigInfo& info) REQUIRES(mStateLock); |
| status_t setActiveConfig(const sp<IBinder>& displayToken, int id); |
| // Once HWC has returned the present fence, this sets the active config and a new refresh |
| // rate in SF. |
| void setActiveConfigInternal() REQUIRES(mStateLock); |
| // Calls to setActiveConfig on the main thread if there is a pending config |
| // that needs to be applied. |
| void performSetActiveConfig() REQUIRES(mStateLock); |
| // Called when active config is no longer is progress |
| void desiredActiveConfigChangeDone() REQUIRES(mStateLock); |
| // called on the main thread in response to setPowerMode() |
| void setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode) |
| REQUIRES(mStateLock); |
| |
| // Sets the desired display configs. |
| status_t setDesiredDisplayConfigSpecsInternal( |
| const sp<DisplayDevice>& display, |
| const std::optional<scheduler::RefreshRateConfigs::Policy>& policy, bool overridePolicy) |
| EXCLUDES(mStateLock); |
| |
| // Handle the INVALIDATE message queue event, latching new buffers and applying |
| // incoming transactions |
| void onMessageInvalidate(nsecs_t expectedVSyncTime); |
| |
| // Returns whether the transaction actually modified any state |
| bool handleMessageTransaction(); |
| |
| // Handle the REFRESH message queue event, sending the current frame down to RenderEngine and |
| // the Composer HAL for presentation |
| void onMessageRefresh(); |
| |
| // Returns whether a new buffer has been latched (see handlePageFlip()) |
| bool handleMessageInvalidate(); |
| |
| void handleTransaction(uint32_t transactionFlags); |
| void handleTransactionLocked(uint32_t transactionFlags) REQUIRES(mStateLock); |
| |
| void updateInputFlinger(); |
| void updateInputWindowInfo(); |
| void commitInputWindowCommands() REQUIRES(mStateLock); |
| void setInputWindowsFinished(); |
| void updateCursorAsync(); |
| void initScheduler(DisplayId primaryDisplayId); |
| |
| /* handlePageFlip - latch a new buffer if available and compute the dirty |
| * region. Returns whether a new buffer has been latched, i.e., whether it |
| * is necessary to perform a refresh during this vsync. |
| */ |
| bool handlePageFlip(); |
| |
| /* ------------------------------------------------------------------------ |
| * Transactions |
| */ |
| void applyTransactionState(const Vector<ComposerState>& state, |
| const Vector<DisplayState>& displays, uint32_t flags, |
| const InputWindowCommands& inputWindowCommands, |
| const int64_t desiredPresentTime, |
| const client_cache_t& uncacheBuffer, const int64_t postTime, |
| bool privileged, bool hasListenerCallbacks, |
| const std::vector<ListenerCallbacks>& listenerCallbacks, |
| bool isMainThread = false) REQUIRES(mStateLock); |
| // Returns true if at least one transaction was flushed |
| bool flushTransactionQueues(); |
| // Returns true if there is at least one transaction that needs to be flushed |
| bool transactionFlushNeeded(); |
| uint32_t getTransactionFlags(uint32_t flags); |
| uint32_t peekTransactionFlags(); |
| // Can only be called from the main thread or with mStateLock held |
| uint32_t setTransactionFlags(uint32_t flags); |
| // Indicate SF should call doTraversal on layers, but don't trigger a wakeup! We use this cases |
| // where there are still pending transactions but we know they won't be ready until a frame |
| // arrives from a different layer. So we need to ensure we performTransaction from invalidate |
| // but there is no need to try and wake up immediately to do it. Rather we rely on |
| // onFrameAvailable or another layer update to wake us up. |
| void setTraversalNeeded(); |
| uint32_t setTransactionFlags(uint32_t flags, Scheduler::TransactionStart transactionStart); |
| void commitTransaction() REQUIRES(mStateLock); |
| void commitOffscreenLayers(); |
| bool transactionIsReadyToBeApplied(int64_t desiredPresentTime, |
| const Vector<ComposerState>& states); |
| uint32_t setDisplayStateLocked(const DisplayState& s) REQUIRES(mStateLock); |
| uint32_t addInputWindowCommands(const InputWindowCommands& inputWindowCommands) |
| REQUIRES(mStateLock); |
| |
| protected: |
| virtual uint32_t setClientStateLocked( |
| const ComposerState& composerState, int64_t desiredPresentTime, int64_t postTime, |
| bool privileged, |
| std::unordered_set<ListenerCallbacks, ListenerCallbacksHash>& listenerCallbacks) |
| REQUIRES(mStateLock); |
| virtual void commitTransactionLocked(); |
| |
| // Used internally by computeLayerBounds() to gets the clip rectangle to use for the |
| // root layers on a particular display in layer-coordinate space. The |
| // layers (and effectively their children) will be clipped against this |
| // rectangle. The base behavior is to clip to the visible region of the |
| // display. |
| virtual FloatRect getLayerClipBoundsForDisplay(const DisplayDevice&) const; |
| |
| private: |
| /* ------------------------------------------------------------------------ |
| * Layer management |
| */ |
| status_t createLayer(const String8& name, const sp<Client>& client, uint32_t w, uint32_t h, |
| PixelFormat format, uint32_t flags, LayerMetadata metadata, |
| sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, |
| const sp<IBinder>& parentHandle, const sp<Layer>& parentLayer = nullptr, |
| uint32_t* outTransformHint = nullptr); |
| |
| status_t createBufferQueueLayer(const sp<Client>& client, std::string name, uint32_t w, |
| uint32_t h, uint32_t flags, LayerMetadata metadata, |
| PixelFormat& format, sp<IBinder>* outHandle, |
| sp<IGraphicBufferProducer>* outGbp, sp<Layer>* outLayer); |
| |
| status_t createBufferStateLayer(const sp<Client>& client, std::string name, uint32_t w, |
| uint32_t h, uint32_t flags, LayerMetadata metadata, |
| sp<IBinder>* outHandle, sp<Layer>* outLayer); |
| |
| status_t createEffectLayer(const sp<Client>& client, std::string name, uint32_t w, uint32_t h, |
| uint32_t flags, LayerMetadata metadata, sp<IBinder>* outHandle, |
| sp<Layer>* outLayer); |
| |
| status_t createContainerLayer(const sp<Client>& client, std::string name, uint32_t w, |
| uint32_t h, uint32_t flags, LayerMetadata metadata, |
| sp<IBinder>* outHandle, sp<Layer>* outLayer); |
| |
| status_t mirrorLayer(const sp<Client>& client, const sp<IBinder>& mirrorFromHandle, |
| sp<IBinder>* outHandle); |
| |
| std::string getUniqueLayerName(const char* name); |
| |
| // called when all clients have released all their references to |
| // this layer meaning it is entirely safe to destroy all |
| // resources associated to this layer. |
| void onHandleDestroyed(sp<Layer>& layer); |
| void markLayerPendingRemovalLocked(const sp<Layer>& layer); |
| |
| // add a layer to SurfaceFlinger |
| status_t addClientLayer(const sp<Client>& client, const sp<IBinder>& handle, |
| const sp<IGraphicBufferProducer>& gbc, const sp<Layer>& lbc, |
| const sp<IBinder>& parentHandle, const sp<Layer>& parentLayer, |
| bool addToCurrentState, uint32_t* outTransformHint); |
| |
| // Traverse through all the layers and compute and cache its bounds. |
| void computeLayerBounds(); |
| |
| /* ------------------------------------------------------------------------ |
| * Boot animation, on/off animations and screen capture |
| */ |
| |
| void startBootAnim(); |
| |
| using TraverseLayersFunction = std::function<void(const LayerVector::Visitor&)>; |
| |
| void renderScreenImplLocked(const RenderArea& renderArea, TraverseLayersFunction traverseLayers, |
| ANativeWindowBuffer* buffer, bool useIdentityTransform, |
| bool regionSampling, int* outSyncFd); |
| status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers, |
| sp<GraphicBuffer>* outBuffer, const ui::PixelFormat reqPixelFormat, |
| bool useIdentityTransform, bool& outCapturedSecureLayers); |
| status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers, |
| const sp<GraphicBuffer>& buffer, bool useIdentityTransform, |
| bool regionSampling, bool& outCapturedSecureLayers); |
| sp<DisplayDevice> getDisplayByIdOrLayerStack(uint64_t displayOrLayerStack) REQUIRES(mStateLock); |
| sp<DisplayDevice> getDisplayByLayerStack(uint64_t layerStack) REQUIRES(mStateLock); |
| status_t captureScreenImplLocked(const RenderArea& renderArea, |
| TraverseLayersFunction traverseLayers, |
| ANativeWindowBuffer* buffer, bool useIdentityTransform, |
| bool forSystem, int* outSyncFd, bool regionSampling, |
| bool& outCapturedSecureLayers); |
| void traverseLayersInDisplay(const sp<const DisplayDevice>& display, |
| const LayerVector::Visitor& visitor); |
| |
| sp<StartPropertySetThread> mStartPropertySetThread; |
| |
| /* ------------------------------------------------------------------------ |
| * Properties |
| */ |
| void readPersistentProperties(); |
| |
| /* ------------------------------------------------------------------------ |
| * EGL |
| */ |
| size_t getMaxTextureSize() const; |
| size_t getMaxViewportDims() const; |
| |
| /* ------------------------------------------------------------------------ |
| * Display and layer stack management |
| */ |
| // called when starting, or restarting after system_server death |
| void initializeDisplays(); |
| |
| sp<const DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) const |
| REQUIRES(mStateLock) { |
| return const_cast<SurfaceFlinger*>(this)->getDisplayDeviceLocked(displayToken); |
| } |
| |
| sp<DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) REQUIRES(mStateLock) { |
| const auto it = mDisplays.find(displayToken); |
| return it == mDisplays.end() ? nullptr : it->second; |
| } |
| |
| sp<const DisplayDevice> getDefaultDisplayDeviceLocked() const REQUIRES(mStateLock) { |
| return const_cast<SurfaceFlinger*>(this)->getDefaultDisplayDeviceLocked(); |
| } |
| |
| sp<DisplayDevice> getDefaultDisplayDeviceLocked() REQUIRES(mStateLock) { |
| if (const auto token = getInternalDisplayTokenLocked()) { |
| return getDisplayDeviceLocked(token); |
| } |
| return nullptr; |
| } |
| |
| sp<const DisplayDevice> getDefaultDisplayDevice() EXCLUDES(mStateLock) { |
| Mutex::Autolock lock(mStateLock); |
| return getDefaultDisplayDeviceLocked(); |
| } |
| |
| std::optional<DeviceProductInfo> getDeviceProductInfoLocked(const DisplayDevice&) const; |
| |
| // mark a region of a layer stack dirty. this updates the dirty |
| // region of all screens presenting this layer stack. |
| void invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty); |
| |
| /* ------------------------------------------------------------------------ |
| * H/W composer |
| */ |
| |
| // The current hardware composer interface. |
| // |
| // The following thread safety rules apply when accessing mHwc, either |
| // directly or via getHwComposer(): |
| // |
| // 1. When recreating mHwc, acquire mStateLock. We currently recreate mHwc |
| // only when switching into and out of vr. Recreating mHwc must only be |
| // done on the main thread. |
| // |
| // 2. When accessing mHwc on the main thread, it's not necessary to acquire |
| // mStateLock. |
| // |
| // 3. When accessing mHwc on a thread other than the main thread, we always |
| // need to acquire mStateLock. This is because the main thread could be |
| // in the process of destroying the current mHwc instance. |
| // |
| // The above thread safety rules only apply to SurfaceFlinger.cpp. In |
| // SurfaceFlinger_hwc1.cpp we create mHwc at surface flinger init and never |
| // destroy it, so it's always safe to access mHwc from any thread without |
| // acquiring mStateLock. |
| HWComposer& getHwComposer() const; |
| |
| /* ------------------------------------------------------------------------ |
| * Compositing |
| */ |
| void invalidateHwcGeometry(); |
| |
| void postComposition(); |
| void getCompositorTiming(CompositorTiming* compositorTiming); |
| void updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime, |
| std::shared_ptr<FenceTime>& presentFenceTime); |
| void setCompositorTimingSnapped(const DisplayStatInfo& stats, |
| nsecs_t compositeToPresentLatency); |
| |
| void postFrame(); |
| |
| /* ------------------------------------------------------------------------ |
| * Display management |
| */ |
| sp<DisplayDevice> setupNewDisplayDeviceInternal( |
| const wp<IBinder>& displayToken, |
| std::shared_ptr<compositionengine::Display> compositionDisplay, |
| const DisplayDeviceState& state, |
| const sp<compositionengine::DisplaySurface>& displaySurface, |
| const sp<IGraphicBufferProducer>& producer) REQUIRES(mStateLock); |
| void processDisplayChangesLocked() REQUIRES(mStateLock); |
| void processDisplayAdded(const wp<IBinder>& displayToken, const DisplayDeviceState&) |
| REQUIRES(mStateLock); |
| void processDisplayRemoved(const wp<IBinder>& displayToken) REQUIRES(mStateLock); |
| void processDisplayChanged(const wp<IBinder>& displayToken, |
| const DisplayDeviceState& currentState, |
| const DisplayDeviceState& drawingState) REQUIRES(mStateLock); |
| void processDisplayHotplugEventsLocked() REQUIRES(mStateLock); |
| |
| void dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected); |
| |
| /* ------------------------------------------------------------------------ |
| * VSync |
| */ |
| nsecs_t getVsyncPeriodFromHWC() const REQUIRES(mStateLock); |
| |
| // Sets the refresh rate by switching active configs, if they are available for |
| // the desired refresh rate. |
| void changeRefreshRateLocked(const RefreshRate&, Scheduler::ConfigEvent event) |
| REQUIRES(mStateLock); |
| |
| bool isDisplayConfigAllowed(HwcConfigIndexType configId) const REQUIRES(mStateLock); |
| |
| // Gets the fence for the previous frame. |
| // Must be called on the main thread. |
| sp<Fence> previousFrameFence(); |
| |
| // Whether the previous frame has not yet been presented to the display. |
| // If graceTimeMs is positive, this method waits for at most the provided |
| // grace period before reporting if the frame missed. |
| // Must be called on the main thread. |
| bool previousFramePending(int graceTimeMs = 0); |
| |
| // Returns the previous time that the frame was presented. If the frame has |
| // not been presented yet, then returns Fence::SIGNAL_TIME_PENDING. If there |
| // is no pending frame, then returns Fence::SIGNAL_TIME_INVALID. |
| // Must be called on the main thread. |
| nsecs_t previousFramePresentTime(); |
| |
| // Calculates the expected present time for this frame. For negative offsets, performs a |
| // correction using the predicted vsync for the next frame instead. |
| nsecs_t calculateExpectedPresentTime(nsecs_t now) const; |
| |
| /* |
| * Display identification |
| */ |
| sp<IBinder> getPhysicalDisplayTokenLocked(DisplayId displayId) const REQUIRES(mStateLock) { |
| const auto it = mPhysicalDisplayTokens.find(displayId); |
| return it != mPhysicalDisplayTokens.end() ? it->second : nullptr; |
| } |
| |
| std::optional<DisplayId> getPhysicalDisplayIdLocked(const sp<IBinder>& displayToken) const |
| REQUIRES(mStateLock) { |
| for (const auto& [id, token] : mPhysicalDisplayTokens) { |
| if (token == displayToken) { |
| return id; |
| } |
| } |
| return {}; |
| } |
| |
| // TODO(b/74619554): Remove special cases for primary display. |
| sp<IBinder> getInternalDisplayTokenLocked() const REQUIRES(mStateLock) { |
| const auto displayId = getInternalDisplayIdLocked(); |
| return displayId ? getPhysicalDisplayTokenLocked(*displayId) : nullptr; |
| } |
| |
| std::optional<DisplayId> getInternalDisplayIdLocked() const REQUIRES(mStateLock) { |
| const auto hwcDisplayId = getHwComposer().getInternalHwcDisplayId(); |
| return hwcDisplayId ? getHwComposer().toPhysicalDisplayId(*hwcDisplayId) : std::nullopt; |
| } |
| |
| /* |
| * Debugging & dumpsys |
| */ |
| using DumpArgs = Vector<String16>; |
| using Dumper = std::function<void(const DumpArgs&, bool asProto, std::string&)>; |
| |
| template <typename F, std::enable_if_t<!std::is_member_function_pointer_v<F>>* = nullptr> |
| static Dumper dumper(F&& dump) { |
| using namespace std::placeholders; |
| return std::bind(std::forward<F>(dump), _3); |
| } |
| |
| template <typename F, std::enable_if_t<std::is_member_function_pointer_v<F>>* = nullptr> |
| Dumper dumper(F dump) { |
| using namespace std::placeholders; |
| return std::bind(dump, this, _3); |
| } |
| |
| template <typename F> |
| Dumper argsDumper(F dump) { |
| using namespace std::placeholders; |
| return std::bind(dump, this, _1, _3); |
| } |
| |
| template <typename F> |
| Dumper protoDumper(F dump) { |
| using namespace std::placeholders; |
| return std::bind(dump, this, _1, _2, _3); |
| } |
| |
| void dumpAllLocked(const DumpArgs& args, std::string& result) const REQUIRES(mStateLock); |
| |
| void appendSfConfigString(std::string& result) const; |
| void listLayersLocked(std::string& result) const; |
| void dumpStatsLocked(const DumpArgs& args, std::string& result) const REQUIRES(mStateLock); |
| void clearStatsLocked(const DumpArgs& args, std::string& result); |
| void dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const; |
| void logFrameStats(); |
| |
| void dumpVSync(std::string& result) const REQUIRES(mStateLock); |
| void dumpStaticScreenStats(std::string& result) const; |
| // Not const because each Layer needs to query Fences and cache timestamps. |
| void dumpFrameEventsLocked(std::string& result); |
| |
| void recordBufferingStats(const std::string& layerName, |
| std::vector<OccupancyTracker::Segment>&& history); |
| void dumpBufferingStats(std::string& result) const; |
| void dumpDisplayIdentificationData(std::string& result) const REQUIRES(mStateLock); |
| void dumpRawDisplayIdentificationData(const DumpArgs&, std::string& result) const; |
| void dumpWideColorInfo(std::string& result) const REQUIRES(mStateLock); |
| LayersProto dumpDrawingStateProto(uint32_t traceFlags) const; |
| void dumpOffscreenLayersProto(LayersProto& layersProto, |
| uint32_t traceFlags = SurfaceTracing::TRACE_ALL) const; |
| // Dumps state from HW Composer |
| void dumpHwc(std::string& result) const; |
| LayersProto dumpProtoFromMainThread(uint32_t traceFlags = SurfaceTracing::TRACE_ALL) |
| EXCLUDES(mStateLock); |
| void dumpOffscreenLayers(std::string& result) EXCLUDES(mStateLock); |
| |
| bool isLayerTripleBufferingDisabled() const { |
| return this->mLayerTripleBufferingDisabled; |
| } |
| |
| status_t doDump(int fd, const DumpArgs& args, bool asProto); |
| |
| status_t dumpCritical(int fd, const DumpArgs&, bool asProto); |
| |
| status_t dumpAll(int fd, const DumpArgs& args, bool asProto) override { |
| return doDump(fd, args, asProto); |
| } |
| |
| void onFrameRateFlexibilityTokenReleased(); |
| |
| /* ------------------------------------------------------------------------ |
| * VrFlinger |
| */ |
| void resetDisplayState() REQUIRES(mStateLock); |
| |
| // Check to see if we should handoff to vr flinger. |
| void updateVrFlinger(); |
| |
| void updateColorMatrixLocked(); |
| |
| /* ------------------------------------------------------------------------ |
| * Attributes |
| */ |
| |
| surfaceflinger::Factory& mFactory; |
| |
| // access must be protected by mStateLock |
| mutable Mutex mStateLock; |
| State mCurrentState{LayerVector::StateSet::Current}; |
| std::atomic<int32_t> mTransactionFlags = 0; |
| Condition mTransactionCV; |
| bool mTransactionPending = false; |
| bool mAnimTransactionPending = false; |
| SortedVector<sp<Layer>> mLayersPendingRemoval; |
| bool mForceTraversal = false; |
| |
| // global color transform states |
| Daltonizer mDaltonizer; |
| float mGlobalSaturationFactor = 1.0f; |
| mat4 mClientColorMatrix; |
| |
| // Can't be unordered_set because wp<> isn't hashable |
| std::set<wp<IBinder>> mGraphicBufferProducerList; |
| size_t mMaxGraphicBufferProducerListSize = ISurfaceComposer::MAX_LAYERS; |
| |
| void removeGraphicBufferProducerAsync(const wp<IBinder>&); |
| |
| // protected by mStateLock (but we could use another lock) |
| bool mLayersRemoved = false; |
| bool mLayersAdded = false; |
| |
| std::atomic<bool> mRepaintEverything = false; |
| |
| // constant members (no synchronization needed for access) |
| const nsecs_t mBootTime = systemTime(); |
| bool mGpuToCpuSupported = false; |
| bool mIsUserBuild = true; |
| |
| // Can only accessed from the main thread, these members |
| // don't need synchronization |
| State mDrawingState{LayerVector::StateSet::Drawing}; |
| bool mVisibleRegionsDirty = false; |
| // Set during transaction commit stage to track if the input info for a layer has changed. |
| bool mInputInfoChanged = false; |
| bool mGeometryInvalid = false; |
| bool mAnimCompositionPending = false; |
| std::vector<sp<Layer>> mLayersWithQueuedFrames; |
| // Tracks layers that need to update a display's dirty region. |
| std::vector<sp<Layer>> mLayersPendingRefresh; |
| std::array<sp<Fence>, 2> mPreviousPresentFences = {Fence::NO_FENCE, Fence::NO_FENCE}; |
| // True if in the previous frame at least one layer was composed via the GPU. |
| bool mHadClientComposition = false; |
| // True if in the previous frame at least one layer was composed via HW Composer. |
| // Note that it is possible for a frame to be composed via both client and device |
| // composition, for example in the case of overlays. |
| bool mHadDeviceComposition = false; |
| // True if in the previous frame, the client composition was skipped by reusing the buffer |
| // used in a previous composition. This can happed if the client composition requests |
| // did not change. |
| bool mReusedClientComposition = false; |
| |
| enum class BootStage { |
| BOOTLOADER, |
| BOOTANIMATION, |
| FINISHED, |
| }; |
| BootStage mBootStage = BootStage::BOOTLOADER; |
| |
| struct HotplugEvent { |
| hal::HWDisplayId hwcDisplayId; |
| hal::Connection connection = hal::Connection::INVALID; |
| }; |
| std::vector<HotplugEvent> mPendingHotplugEvents GUARDED_BY(mStateLock); |
| |
| // this may only be written from the main thread with mStateLock held |
| // it may be read from other threads with mStateLock held |
| std::map<wp<IBinder>, sp<DisplayDevice>> mDisplays GUARDED_BY(mStateLock); |
| std::unordered_map<DisplayId, sp<IBinder>> mPhysicalDisplayTokens GUARDED_BY(mStateLock); |
| |
| std::unordered_map<BBinder*, wp<Layer>> mLayersByLocalBinderToken GUARDED_BY(mStateLock); |
| |
| // don't use a lock for these, we don't care |
| int mDebugRegion = 0; |
| bool mDebugDisableHWC = false; |
| bool mDebugDisableTransformHint = false; |
| volatile nsecs_t mDebugInTransaction = 0; |
| bool mForceFullDamage = false; |
| bool mPropagateBackpressure = true; |
| bool mPropagateBackpressureClientComposition = false; |
| std::unique_ptr<SurfaceInterceptor> mInterceptor; |
| |
| SurfaceTracing mTracing{*this}; |
| std::mutex mTracingLock; |
| bool mTracingEnabled = false; |
| bool mAddCompositionStateToTrace = false; |
| std::atomic<bool> mTracingEnabledChanged = false; |
| |
| const std::shared_ptr<TimeStats> mTimeStats; |
| const std::unique_ptr<FrameTracer> mFrameTracer; |
| bool mUseHwcVirtualDisplays = false; |
| // If blurs should be enabled on this device. |
| bool mSupportsBlur = false; |
| // Disable blurs, for debugging |
| std::atomic<bool> mDisableBlurs = false; |
| // If blurs are considered expensive and should require high GPU frequency. |
| bool mBlursAreExpensive = false; |
| std::atomic<uint32_t> mFrameMissedCount = 0; |
| std::atomic<uint32_t> mHwcFrameMissedCount = 0; |
| std::atomic<uint32_t> mGpuFrameMissedCount = 0; |
| |
| TransactionCompletedThread mTransactionCompletedThread; |
| |
| // Restrict layers to use two buffers in their bufferqueues. |
| bool mLayerTripleBufferingDisabled = false; |
| |
| // these are thread safe |
| std::unique_ptr<MessageQueue> mEventQueue; |
| FrameTracker mAnimFrameTracker; |
| |
| // protected by mDestroyedLayerLock; |
| mutable Mutex mDestroyedLayerLock; |
| Vector<Layer const *> mDestroyedLayers; |
| |
| nsecs_t mRefreshStartTime = 0; |
| |
| std::atomic<bool> mRefreshPending = false; |
| |
| // We maintain a pool of pre-generated texture names to hand out to avoid |
| // layer creation needing to run on the main thread (which it would |
| // otherwise need to do to access RenderEngine). |
| std::mutex mTexturePoolMutex; |
| uint32_t mTexturePoolSize = 0; |
| std::vector<uint32_t> mTexturePool; |
| |
| struct TransactionState { |
| TransactionState(const Vector<ComposerState>& composerStates, |
| const Vector<DisplayState>& displayStates, uint32_t transactionFlags, |
| int64_t desiredPresentTime, const client_cache_t& uncacheBuffer, |
| int64_t postTime, bool privileged, bool hasListenerCallbacks, |
| std::vector<ListenerCallbacks> listenerCallbacks) |
| : states(composerStates), |
| displays(displayStates), |
| flags(transactionFlags), |
| desiredPresentTime(desiredPresentTime), |
| buffer(uncacheBuffer), |
| postTime(postTime), |
| privileged(privileged), |
| hasListenerCallbacks(hasListenerCallbacks), |
| listenerCallbacks(listenerCallbacks) {} |
| |
| Vector<ComposerState> states; |
| Vector<DisplayState> displays; |
| uint32_t flags; |
| const int64_t desiredPresentTime; |
| client_cache_t buffer; |
| const int64_t postTime; |
| bool privileged; |
| bool hasListenerCallbacks; |
| std::vector<ListenerCallbacks> listenerCallbacks; |
| }; |
| std::unordered_map<sp<IBinder>, std::queue<TransactionState>, IListenerHash> mTransactionQueues; |
| |
| /* ------------------------------------------------------------------------ |
| * Feature prototyping |
| */ |
| |
| // Static screen stats |
| bool mHasPoweredOff = false; |
| |
| std::atomic<size_t> mNumLayers = 0; |
| |
| // Verify that transaction is being called by an approved process: |
| // either AID_GRAPHICS or AID_SYSTEM. |
| status_t CheckTransactCodeCredentials(uint32_t code); |
| |
| // to linkToDeath |
| sp<IBinder> mWindowManager; |
| // We want to avoid multiple calls to BOOT_FINISHED as they come in on |
| // different threads without a lock and could trigger unsynchronized writes to |
| // to mWindowManager or mInputFlinger |
| std::atomic<bool> mBootFinished = false; |
| |
| std::unique_ptr<dvr::VrFlinger> mVrFlinger; |
| std::atomic<bool> mVrFlingerRequestsDisplay = false; |
| static bool useVrFlinger; |
| std::thread::id mMainThreadId = std::this_thread::get_id(); |
| |
| DisplayColorSetting mDisplayColorSetting = DisplayColorSetting::kEnhanced; |
| |
| // Color mode forced by setting persist.sys.sf.color_mode, it must: |
| // 1. not be NATIVE color mode, NATIVE color mode means no forced color mode; |
| // 2. be one of the supported color modes returned by hardware composer, otherwise |
| // it will not be respected. |
| // persist.sys.sf.color_mode will only take effect when persist.sys.sf.native_mode |
| // is not set to 1. |
| // This property can be used to force SurfaceFlinger to always pick a certain color mode. |
| ui::ColorMode mForceColorMode = ui::ColorMode::NATIVE; |
| |
| ui::Dataspace mDefaultCompositionDataspace; |
| ui::Dataspace mWideColorGamutCompositionDataspace; |
| ui::Dataspace mColorSpaceAgnosticDataspace; |
| |
| SurfaceFlingerBE mBE; |
| std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine; |
| |
| /* ------------------------------------------------------------------------ |
| * Scheduler |
| */ |
| std::unique_ptr<Scheduler> mScheduler; |
| scheduler::ConnectionHandle mAppConnectionHandle; |
| scheduler::ConnectionHandle mSfConnectionHandle; |
| |
| // Stores phase offsets configured per refresh rate. |
| std::unique_ptr<scheduler::PhaseConfiguration> mPhaseConfiguration; |
| |
| // Optional to defer construction until scheduler connections are created. |
| std::optional<scheduler::VSyncModulator> mVSyncModulator; |
| |
| std::unique_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs; |
| std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats; |
| |
| std::atomic<nsecs_t> mExpectedPresentTime = 0; |
| hal::Vsync mHWCVsyncPendingState = hal::Vsync::DISABLE; |
| |
| /* ------------------------------------------------------------------------ |
| * Generic Layer Metadata |
| */ |
| const std::unordered_map<std::string, uint32_t>& getGenericLayerMetadataKeyMap() const; |
| |
| /* ------------------------------------------------------------------------ |
| * Misc |
| */ |
| |
| std::optional<ActiveConfigInfo> getDesiredActiveConfig() EXCLUDES(mActiveConfigLock) { |
| std::lock_guard<std::mutex> lock(mActiveConfigLock); |
| if (mDesiredActiveConfigChanged) return mDesiredActiveConfig; |
| return std::nullopt; |
| } |
| |
| std::mutex mActiveConfigLock; |
| // This bit is set once we start setting the config. We read from this bit during the |
| // process. If at the end, this bit is different than mDesiredActiveConfig, we restart |
| // the process. |
| ActiveConfigInfo mUpcomingActiveConfig; // Always read and written on the main thread. |
| // This bit can be set at any point in time when the system wants the new config. |
| ActiveConfigInfo mDesiredActiveConfig GUARDED_BY(mActiveConfigLock); |
| |
| // below flags are set by main thread only |
| TracedOrdinal<bool> mDesiredActiveConfigChanged |
| GUARDED_BY(mActiveConfigLock) = {"DesiredActiveConfigChanged", false}; |
| bool mSetActiveConfigPending = false; |
| |
| bool mLumaSampling = true; |
| 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. |
| InputWindowCommands mInputWindowCommands; |
| |
| struct SetInputWindowsListener : BnSetInputWindowsListener { |
| explicit SetInputWindowsListener(sp<SurfaceFlinger> flinger) |
| : mFlinger(std::move(flinger)) {} |
| |
| void onSetInputWindowsFinished() override; |
| |
| const sp<SurfaceFlinger> mFlinger; |
| }; |
| |
| const sp<SetInputWindowsListener> mSetInputWindowsListener = new SetInputWindowsListener(this); |
| |
| bool mPendingSyncInputWindows GUARDED_BY(mStateLock) = false; |
| Hwc2::impl::PowerAdvisor mPowerAdvisor; |
| |
| // This should only be accessed on the main thread. |
| nsecs_t mFrameStartTime = 0; |
| |
| void enableRefreshRateOverlay(bool enable); |
| std::unique_ptr<RefreshRateOverlay> mRefreshRateOverlay GUARDED_BY(mStateLock); |
| |
| // Flag used to set override allowed display configs from backdoor |
| bool mDebugDisplayConfigSetByBackdoor = false; |
| |
| // A set of layers that have no parent so they are not drawn on screen. |
| // Should only be accessed by the main thread. |
| // The Layer pointer is removed from the set when the destructor is called so there shouldn't |
| // be any issues with a raw pointer referencing an invalid object. |
| std::unordered_set<Layer*> mOffscreenLayers; |
| |
| // Fields tracking the current jank event: when it started and how many |
| // janky frames there are. |
| nsecs_t mMissedFrameJankStart = 0; |
| int32_t mMissedFrameJankCount = 0; |
| // Positive if jank should be uploaded in postComposition |
| nsecs_t mLastJankDuration = -1; |
| |
| int mFrameRateFlexibilityTokenCount = 0; |
| |
| sp<IBinder> mDebugFrameRateFlexibilityToken; |
| }; |
| |
| } // namespace android |
