| /* |
| * 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. |
| */ |
| |
| #ifndef ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H |
| #define ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <set> |
| #include <unordered_map> |
| #include <unordered_set> |
| |
| #include <binder/IBinder.h> |
| |
| #include <utils/RefBase.h> |
| #include <utils/Singleton.h> |
| #include <utils/SortedVector.h> |
| #include <utils/threads.h> |
| |
| #include <ui/ConfigStoreTypes.h> |
| #include <ui/DisplayedFrameStats.h> |
| #include <ui/FrameStats.h> |
| #include <ui/GraphicTypes.h> |
| #include <ui/PixelFormat.h> |
| |
| #include <gui/CpuConsumer.h> |
| #include <gui/ISurfaceComposer.h> |
| #include <gui/ITransactionCompletedListener.h> |
| #include <gui/LayerState.h> |
| #include <gui/SurfaceControl.h> |
| #include <math/vec3.h> |
| |
| 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) |
| : surfaceControl(sc), acquireTime(time), previousReleaseFence(prevReleaseFence) {} |
| |
| sp<SurfaceControl> surfaceControl; |
| nsecs_t acquireTime = -1; |
| sp<Fence> previousReleaseFence; |
| }; |
| |
| using TransactionCompletedCallbackTakesContext = |
| std::function<void(void* /*context*/, nsecs_t /*latchTime*/, |
| const sp<Fence>& /*presentFence*/, |
| const std::vector<SurfaceControlStats>& /*stats*/)>; |
| using TransactionCompletedCallback = |
| std::function<void(nsecs_t /*latchTime*/, const sp<Fence>& /*presentFence*/, |
| const std::vector<SurfaceControlStats>& /*stats*/)>; |
| |
| // --------------------------------------------------------------------------- |
| |
| class SurfaceComposerClient : public RefBase |
| { |
| friend class Composer; |
| public: |
| SurfaceComposerClient(); |
| SurfaceComposerClient(const sp<ISurfaceComposerClient>& client); |
| virtual ~SurfaceComposerClient(); |
| |
| // Always make sure we could initialize |
| status_t initCheck() const; |
| |
| // Return the connection of this client |
| sp<IBinder> connection() const; |
| |
| // Forcibly remove connection before all references have gone away. |
| void dispose(); |
| |
| // callback when the composer is dies |
| 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 the DisplayInfo for the currently-active configuration |
| static status_t getDisplayInfo(const sp<IBinder>& display, |
| DisplayInfo* info); |
| |
| // Get the index of the current active configuration (relative to the list |
| // returned by getDisplayInfo) |
| static int getActiveConfig(const sp<IBinder>& display); |
| |
| // Set a new active configuration using an index relative to the list |
| // returned by getDisplayInfo |
| static status_t setActiveConfig(const sp<IBinder>& display, int id); |
| |
| // Sets the allowed display configurations to be used. |
| // The allowedConfigs in a vector of indexes corresponding to the configurations |
| // returned from getDisplayConfigs(). |
| static status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken, |
| const std::vector<int32_t>& allowedConfigs); |
| |
| // Returns the allowed display configurations currently set. |
| // The allowedConfigs in a vector of indexes corresponding to the configurations |
| // returned from getDisplayConfigs(). |
| static status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken, |
| std::vector<int32_t>* outAllowedConfigs); |
| |
| // Gets the list of supported color modes for the given display |
| static status_t getDisplayColorModes(const sp<IBinder>& display, |
| Vector<ui::ColorMode>* outColorModes); |
| |
| // Get the coordinates of the display's native color primaries |
| static status_t getDisplayNativePrimaries(const sp<IBinder>& display, |
| ui::DisplayPrimaries& outPrimaries); |
| |
| // Gets the active color mode for the given display |
| static ui::ColorMode getActiveColorMode(const sp<IBinder>& display); |
| |
| // Sets the active color mode for the given display |
| static status_t setActiveColorMode(const sp<IBinder>& display, |
| ui::ColorMode colorMode); |
| |
| /* Triggers screen on/off or low power mode and waits for it to complete */ |
| static void setDisplayPowerMode(const sp<IBinder>& display, int mode); |
| |
| /* Returns the composition preference of the default data space and default pixel format, |
| * as well as the wide color gamut data space and wide color gamut pixel format. |
| * If the wide color gamut data space is V0_SRGB, then it implies that the platform |
| * has no wide color gamut support. |
| */ |
| static status_t getCompositionPreference(ui::Dataspace* defaultDataspace, |
| ui::PixelFormat* defaultPixelFormat, |
| ui::Dataspace* wideColorGamutDataspace, |
| ui::PixelFormat* wideColorGamutPixelFormat); |
| |
| /* |
| * Gets whether SurfaceFlinger can support protected content in GPU composition. |
| * Requires the ACCESS_SURFACE_FLINGER permission. |
| */ |
| static bool getProtectedContentSupport(); |
| |
| /** |
| * Called from SurfaceControl d'tor to 'destroy' the surface (or rather, reparent it |
| * to null), but without needing an sp<SurfaceControl> to avoid infinite ressurection. |
| */ |
| static void doDropReferenceTransaction(const sp<IBinder>& handle, |
| const sp<ISurfaceComposerClient>& client); |
| |
| /** |
| * Uncaches a buffer in ISurfaceComposer. It must be uncached via a transaction so that it is |
| * in order with other transactions that use buffers. |
| */ |
| static void doUncacheBufferTransaction(uint64_t cacheId); |
| |
| // Queries whether a given display is wide color display. |
| static status_t isWideColorDisplay(const sp<IBinder>& display, bool* outIsWideColorDisplay); |
| |
| /* |
| * Returns whether brightness operations are supported on a display. |
| * |
| * displayToken |
| * The token of the display. |
| * |
| * Returns whether brightness operations are supported on a display or not. |
| */ |
| static bool getDisplayBrightnessSupport(const sp<IBinder>& displayToken); |
| |
| /* |
| * Sets the brightness of a display. |
| * |
| * displayToken |
| * The token of the display whose brightness is set. |
| * brightness |
| * A number between 0.0 (minimum brightness) and 1.0 (maximum brightness), or -1.0f to |
| * turn the backlight off. |
| * |
| * Returns NO_ERROR upon success. Otherwise, |
| * NAME_NOT_FOUND if the display handle is invalid, or |
| * BAD_VALUE if the brightness value is invalid, or |
| * INVALID_OPERATION if brightness operaetions are not supported. |
| */ |
| static status_t setDisplayBrightness(const sp<IBinder>& displayToken, float brightness); |
| |
| /* |
| * Sends a power hint to the composer. This function is asynchronous. |
| * |
| * hintId |
| * hint id according to android::hardware::power::V1_0::PowerHint |
| * |
| * Returns NO_ERROR upon success. |
| */ |
| static status_t notifyPowerHint(int32_t hintId); |
| |
| // ------------------------------------------------------------------------ |
| // surface creation / destruction |
| |
| static sp<SurfaceComposerClient> getDefault(); |
| |
| //! Create a surface |
| sp<SurfaceControl> createSurface(const String8& name, // name of the surface |
| uint32_t w, // width in pixel |
| uint32_t h, // height in pixel |
| PixelFormat format, // pixel-format desired |
| uint32_t flags = 0, // usage flags |
| SurfaceControl* parent = nullptr, // parent |
| LayerMetadata metadata = LayerMetadata() // metadata |
| ); |
| |
| status_t createSurfaceChecked(const String8& name, // name of the surface |
| uint32_t w, // width in pixel |
| uint32_t h, // height in pixel |
| PixelFormat format, // pixel-format desired |
| sp<SurfaceControl>* outSurface, |
| uint32_t flags = 0, // usage flags |
| SurfaceControl* parent = nullptr, // parent |
| LayerMetadata metadata = LayerMetadata() // metadata |
| ); |
| |
| //! Create a surface |
| sp<SurfaceControl> createWithSurfaceParent(const String8& name, // name of the surface |
| uint32_t w, // width in pixel |
| uint32_t h, // height in pixel |
| PixelFormat format, // pixel-format desired |
| uint32_t flags = 0, // usage flags |
| Surface* parent = nullptr, // parent |
| LayerMetadata metadata = LayerMetadata() // metadata |
| ); |
| |
| //! Create a virtual display |
| static sp<IBinder> createDisplay(const String8& displayName, bool secure); |
| |
| //! Destroy a virtual display |
| static void destroyDisplay(const sp<IBinder>& display); |
| |
| //! Get stable IDs for connected physical displays |
| static std::vector<PhysicalDisplayId> getPhysicalDisplayIds(); |
| static std::optional<PhysicalDisplayId> getInternalDisplayId(); |
| |
| //! Get token for a physical display given its stable ID |
| static sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId); |
| static sp<IBinder> getInternalDisplayToken(); |
| |
| static status_t enableVSyncInjections(bool enable); |
| |
| static status_t injectVSync(nsecs_t when); |
| |
| struct SCHash { |
| std::size_t operator()(const sp<SurfaceControl>& sc) const { |
| return std::hash<SurfaceControl *>{}(sc.get()); |
| } |
| }; |
| |
| struct TCLHash { |
| std::size_t operator()(const sp<ITransactionCompletedListener>& tcl) const { |
| return std::hash<IBinder*>{}((tcl) ? IInterface::asBinder(tcl).get() : nullptr); |
| } |
| }; |
| |
| struct CallbackInfo { |
| // All the callbacks that have been requested for a TransactionCompletedListener in the |
| // Transaction |
| std::unordered_set<CallbackId> callbackIds; |
| // All the SurfaceControls that have been modified in this TransactionCompletedListener's |
| // process that require a callback if there is one or more callbackIds set. |
| std::unordered_set<sp<SurfaceControl>, SCHash> surfaceControls; |
| }; |
| |
| class Transaction { |
| std::unordered_map<sp<SurfaceControl>, ComposerState, SCHash> mComposerStates; |
| SortedVector<DisplayState > mDisplayStates; |
| std::unordered_map<sp<ITransactionCompletedListener>, CallbackInfo, TCLHash> |
| mListenerCallbacks; |
| |
| uint32_t mForceSynchronous = 0; |
| uint32_t mTransactionNestCount = 0; |
| bool mAnimation = false; |
| bool mEarlyWakeup = false; |
| |
| // Indicates that the Transaction contains a buffer that should be cached |
| bool mContainsBuffer = false; |
| |
| // mDesiredPresentTime is the time in nanoseconds that the client would like the transaction |
| // to be presented. When it is not possible to present at exactly that time, it will be |
| // presented after the time has passed. |
| // |
| // Desired present times that are more than 1 second in the future may be ignored. |
| // When a desired present time has already passed, the transaction will be presented as soon |
| // as possible. |
| // |
| // Transactions from the same process are presented in the same order that they are applied. |
| // The desired present time does not affect this ordering. |
| int64_t mDesiredPresentTime = -1; |
| |
| InputWindowCommands mInputWindowCommands; |
| int mStatus = NO_ERROR; |
| |
| layer_state_t* getLayerState(const sp<SurfaceControl>& sc); |
| DisplayState& getDisplayState(const sp<IBinder>& token); |
| |
| void cacheBuffers(); |
| void registerSurfaceControlForCallback(const sp<SurfaceControl>& sc); |
| |
| public: |
| Transaction() = default; |
| virtual ~Transaction() = default; |
| Transaction(Transaction const& other); |
| |
| status_t apply(bool synchronous = false); |
| // Merge another transaction in to this one, clearing other |
| // as if it had been applied. |
| Transaction& merge(Transaction&& other); |
| Transaction& show(const sp<SurfaceControl>& sc); |
| Transaction& hide(const sp<SurfaceControl>& sc); |
| Transaction& setPosition(const sp<SurfaceControl>& sc, |
| float x, float y); |
| Transaction& setSize(const sp<SurfaceControl>& sc, |
| uint32_t w, uint32_t h); |
| Transaction& setLayer(const sp<SurfaceControl>& sc, |
| int32_t z); |
| |
| // Sets a Z order relative to the Surface specified by "relativeTo" but |
| // without becoming a full child of the relative. Z-ordering works exactly |
| // as if it were a child however. |
| // |
| // As a nod to sanity, only non-child surfaces may have a relative Z-order. |
| // |
| // This overrides any previous call and is overriden by any future calls |
| // to setLayer. |
| // |
| // If the relative is removed, the Surface will have no layer and be |
| // invisible, until the next time set(Relative)Layer is called. |
| Transaction& setRelativeLayer(const sp<SurfaceControl>& sc, |
| const sp<IBinder>& relativeTo, int32_t z); |
| Transaction& setFlags(const sp<SurfaceControl>& sc, |
| uint32_t flags, uint32_t mask); |
| Transaction& setTransparentRegionHint(const sp<SurfaceControl>& sc, |
| const Region& transparentRegion); |
| Transaction& setAlpha(const sp<SurfaceControl>& sc, |
| float alpha); |
| Transaction& setMatrix(const sp<SurfaceControl>& sc, |
| float dsdx, float dtdx, float dtdy, float dsdy); |
| Transaction& setCrop_legacy(const sp<SurfaceControl>& sc, const Rect& crop); |
| Transaction& setCornerRadius(const sp<SurfaceControl>& sc, float cornerRadius); |
| Transaction& setLayerStack(const sp<SurfaceControl>& sc, uint32_t layerStack); |
| Transaction& setMetadata(const sp<SurfaceControl>& sc, uint32_t key, |
| std::vector<uint8_t> data); |
| // Defers applying any changes made in this transaction until the Layer |
| // identified by handle reaches the given frameNumber. If the Layer identified |
| // by handle is removed, then we will apply this transaction regardless of |
| // what frame number has been reached. |
| Transaction& deferTransactionUntil_legacy(const sp<SurfaceControl>& sc, |
| const sp<IBinder>& handle, uint64_t frameNumber); |
| // A variant of deferTransactionUntil_legacy which identifies the Layer we wait for by |
| // Surface instead of Handle. Useful for clients which may not have the |
| // SurfaceControl for some of their Surfaces. Otherwise behaves identically. |
| Transaction& deferTransactionUntil_legacy(const sp<SurfaceControl>& sc, |
| const sp<Surface>& barrierSurface, |
| uint64_t frameNumber); |
| // Reparents all children of this layer to the new parent handle. |
| Transaction& reparentChildren(const sp<SurfaceControl>& sc, |
| const sp<IBinder>& newParentHandle); |
| |
| /// Reparents the current layer to the new parent handle. The new parent must not be null. |
| // This can be used instead of reparentChildren if the caller wants to |
| // only re-parent a specific child. |
| Transaction& reparent(const sp<SurfaceControl>& sc, |
| const sp<IBinder>& newParentHandle); |
| |
| Transaction& setColor(const sp<SurfaceControl>& sc, const half3& color); |
| |
| // Sets the background color of a layer with the specified color, alpha, and dataspace |
| Transaction& setBackgroundColor(const sp<SurfaceControl>& sc, const half3& color, |
| float alpha, ui::Dataspace dataspace); |
| |
| Transaction& setTransform(const sp<SurfaceControl>& sc, uint32_t transform); |
| Transaction& setTransformToDisplayInverse(const sp<SurfaceControl>& sc, |
| bool transformToDisplayInverse); |
| Transaction& setCrop(const sp<SurfaceControl>& sc, const Rect& crop); |
| Transaction& setFrame(const sp<SurfaceControl>& sc, const Rect& frame); |
| Transaction& setBuffer(const sp<SurfaceControl>& sc, const sp<GraphicBuffer>& buffer); |
| Transaction& setCachedBuffer(const sp<SurfaceControl>& sc, int32_t bufferId); |
| Transaction& setAcquireFence(const sp<SurfaceControl>& sc, const sp<Fence>& fence); |
| Transaction& setDataspace(const sp<SurfaceControl>& sc, ui::Dataspace dataspace); |
| Transaction& setHdrMetadata(const sp<SurfaceControl>& sc, const HdrMetadata& hdrMetadata); |
| Transaction& setSurfaceDamageRegion(const sp<SurfaceControl>& sc, |
| const Region& surfaceDamageRegion); |
| Transaction& setApi(const sp<SurfaceControl>& sc, int32_t api); |
| Transaction& setSidebandStream(const sp<SurfaceControl>& sc, |
| const sp<NativeHandle>& sidebandStream); |
| Transaction& setDesiredPresentTime(nsecs_t desiredPresentTime); |
| Transaction& setColorSpaceAgnostic(const sp<SurfaceControl>& sc, const bool agnostic); |
| |
| Transaction& addTransactionCompletedCallback( |
| TransactionCompletedCallbackTakesContext callback, void* callbackContext); |
| |
| // Detaches all child surfaces (and their children recursively) |
| // from their SurfaceControl. |
| // The child SurfaceControls will not throw exceptions or return errors, |
| // but transactions will have no effect. |
| // The child surfaces will continue to follow their parent surfaces, |
| // and remain eligible for rendering, but their relative state will be |
| // frozen. We use this in the WindowManager, in app shutdown/relaunch |
| // scenarios, where the app would otherwise clean up its child Surfaces. |
| // Sometimes the WindowManager needs to extend their lifetime slightly |
| // in order to perform an exit animation or prevent flicker. |
| Transaction& detachChildren(const sp<SurfaceControl>& sc); |
| // Set an override scaling mode as documented in <system/window.h> |
| // the override scaling mode will take precedence over any client |
| // specified scaling mode. -1 will clear the override scaling mode. |
| Transaction& setOverrideScalingMode(const sp<SurfaceControl>& sc, |
| int32_t overrideScalingMode); |
| |
| // If the size changes in this transaction, all geometry updates specified |
| // in this transaction will not complete until a buffer of the new size |
| // arrives. As some elements normally apply immediately, this enables |
| // freezing the total geometry of a surface until a resize is completed. |
| Transaction& setGeometryAppliesWithResize(const sp<SurfaceControl>& sc); |
| |
| #ifndef NO_INPUT |
| Transaction& setInputWindowInfo(const sp<SurfaceControl>& sc, const InputWindowInfo& info); |
| Transaction& transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken); |
| Transaction& syncInputWindows(); |
| #endif |
| |
| // Set a color transform matrix on the given layer on the built-in display. |
| Transaction& setColorTransform(const sp<SurfaceControl>& sc, const mat3& matrix, |
| const vec3& translation); |
| |
| Transaction& setGeometry(const sp<SurfaceControl>& sc, |
| const Rect& source, const Rect& dst, int transform); |
| |
| status_t setDisplaySurface(const sp<IBinder>& token, |
| const sp<IGraphicBufferProducer>& bufferProducer); |
| |
| void setDisplayLayerStack(const sp<IBinder>& token, uint32_t layerStack); |
| |
| /* setDisplayProjection() defines the projection of layer stacks |
| * to a given display. |
| * |
| * - orientation defines the display's orientation. |
| * - layerStackRect defines which area of the window manager coordinate |
| * space will be used. |
| * - displayRect defines where on the display will layerStackRect be |
| * mapped to. displayRect is specified post-orientation, that is |
| * it uses the orientation seen by the end-user. |
| */ |
| void setDisplayProjection(const sp<IBinder>& token, |
| uint32_t orientation, |
| const Rect& layerStackRect, |
| const Rect& displayRect); |
| void setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height); |
| void setAnimationTransaction(); |
| void setEarlyWakeup(); |
| }; |
| |
| status_t clearLayerFrameStats(const sp<IBinder>& token) const; |
| status_t getLayerFrameStats(const sp<IBinder>& token, FrameStats* outStats) const; |
| static status_t clearAnimationFrameStats(); |
| static status_t getAnimationFrameStats(FrameStats* outStats); |
| |
| static status_t getHdrCapabilities(const sp<IBinder>& display, |
| HdrCapabilities* outCapabilities); |
| |
| static void setDisplayProjection(const sp<IBinder>& token, |
| uint32_t orientation, |
| const Rect& layerStackRect, |
| const Rect& displayRect); |
| |
| inline sp<ISurfaceComposerClient> getClient() { return mClient; } |
| |
| static status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display, |
| ui::PixelFormat* outFormat, |
| ui::Dataspace* outDataspace, |
| uint8_t* outComponentMask); |
| static status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable, |
| uint8_t componentMask, uint64_t maxFrames); |
| |
| static status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames, |
| uint64_t timestamp, DisplayedFrameStats* outStats); |
| static status_t addRegionSamplingListener(const Rect& samplingArea, |
| const sp<IBinder>& stopLayerHandle, |
| const sp<IRegionSamplingListener>& listener); |
| static status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener); |
| |
| private: |
| virtual void onFirstRef(); |
| |
| mutable Mutex mLock; |
| status_t mStatus; |
| sp<ISurfaceComposerClient> mClient; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| class ScreenshotClient { |
| public: |
| // if cropping isn't required, callers may pass in a default Rect, e.g.: |
| // capture(display, producer, Rect(), reqWidth, ...); |
| static status_t capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace, |
| const ui::PixelFormat reqPixelFormat, Rect sourceCrop, |
| uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform, |
| uint32_t rotation, bool captureSecureLayers, |
| sp<GraphicBuffer>* outBuffer, bool& outCapturedSecureLayers); |
| static status_t capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace, |
| const ui::PixelFormat reqPixelFormat, Rect sourceCrop, |
| uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform, |
| uint32_t rotation, sp<GraphicBuffer>* outBuffer); |
| static status_t capture(uint64_t displayOrLayerStack, ui::Dataspace* outDataspace, |
| sp<GraphicBuffer>* outBuffer); |
| static status_t captureLayers(const sp<IBinder>& layerHandle, const ui::Dataspace reqDataSpace, |
| const ui::PixelFormat reqPixelFormat, Rect sourceCrop, |
| float frameScale, sp<GraphicBuffer>* outBuffer); |
| static status_t captureChildLayers( |
| const sp<IBinder>& layerHandle, const ui::Dataspace reqDataSpace, |
| const ui::PixelFormat reqPixelFormat, Rect sourceCrop, |
| const std::unordered_set<sp<IBinder>, ISurfaceComposer::SpHash<IBinder>>& |
| excludeHandles, |
| float frameScale, sp<GraphicBuffer>* outBuffer); |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| class TransactionCompletedListener : public BnTransactionCompletedListener { |
| TransactionCompletedListener(); |
| |
| CallbackId getNextIdLocked() REQUIRES(mMutex); |
| |
| std::mutex mMutex; |
| |
| bool mListening GUARDED_BY(mMutex) = false; |
| |
| CallbackId mCallbackIdCounter GUARDED_BY(mMutex) = 1; |
| |
| struct IBinderHash { |
| std::size_t operator()(const sp<IBinder>& iBinder) const { |
| return std::hash<IBinder*>{}(iBinder.get()); |
| } |
| }; |
| |
| struct CallbackTranslation { |
| TransactionCompletedCallback callbackFunction; |
| std::unordered_map<sp<IBinder>, sp<SurfaceControl>, IBinderHash> surfaceControls; |
| }; |
| |
| std::unordered_map<CallbackId, CallbackTranslation> mCallbacks GUARDED_BY(mMutex); |
| |
| public: |
| static sp<TransactionCompletedListener> getInstance(); |
| static sp<ITransactionCompletedListener> getIInstance(); |
| |
| void startListeningLocked() REQUIRES(mMutex); |
| |
| CallbackId addCallbackFunction( |
| const TransactionCompletedCallback& callbackFunction, |
| const std::unordered_set<sp<SurfaceControl>, SurfaceComposerClient::SCHash>& |
| surfaceControls); |
| |
| void addSurfaceControlToCallbacks(const sp<SurfaceControl>& surfaceControl, |
| const std::unordered_set<CallbackId>& callbackIds); |
| |
| // Overrides BnTransactionCompletedListener's onTransactionCompleted |
| void onTransactionCompleted(ListenerStats stats) override; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| }; // namespace android |
| |
| #endif // ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H |
