| /* |
| * 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_SURFACE_FLINGER_H |
| #define ANDROID_SURFACE_FLINGER_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <utils/Atomic.h> |
| #include <utils/Errors.h> |
| #include <utils/KeyedVector.h> |
| #include <utils/RefBase.h> |
| #include <utils/SortedVector.h> |
| #include <utils/threads.h> |
| |
| #include <binder/BinderService.h> |
| #include <binder/IMemory.h> |
| |
| #include <ui/PixelFormat.h> |
| #include <surfaceflinger/IGraphicBufferAlloc.h> |
| #include <surfaceflinger/ISurfaceComposer.h> |
| #include <surfaceflinger/ISurfaceComposerClient.h> |
| |
| #include "Barrier.h" |
| #include "Layer.h" |
| |
| #include "MessageQueue.h" |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| class Client; |
| class DisplayHardware; |
| class Layer; |
| class LayerDim; |
| class LayerScreenshot; |
| struct surface_flinger_cblk_t; |
| |
| #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) |
| #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) |
| |
| // --------------------------------------------------------------------------- |
| |
| class Client : public BnSurfaceComposerClient |
| { |
| public: |
| Client(const sp<SurfaceFlinger>& flinger); |
| ~Client(); |
| |
| status_t initCheck() const; |
| |
| // protected by SurfaceFlinger::mStateLock |
| size_t attachLayer(const sp<LayerBaseClient>& layer); |
| void detachLayer(const LayerBaseClient* layer); |
| sp<LayerBaseClient> getLayerUser(int32_t i) const; |
| |
| private: |
| // ISurfaceComposerClient interface |
| virtual sp<ISurface> createSurface( |
| surface_data_t* params, const String8& name, |
| DisplayID display, uint32_t w, uint32_t h,PixelFormat format, |
| uint32_t flags); |
| virtual status_t destroySurface(SurfaceID surfaceId); |
| virtual status_t onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); |
| |
| // constant |
| sp<SurfaceFlinger> mFlinger; |
| |
| // protected by mLock |
| DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers; |
| size_t mNameGenerator; |
| |
| // thread-safe |
| mutable Mutex mLock; |
| }; |
| |
| class GraphicBufferAlloc : public BnGraphicBufferAlloc |
| { |
| public: |
| GraphicBufferAlloc(); |
| virtual ~GraphicBufferAlloc(); |
| virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h, |
| PixelFormat format, uint32_t usage, status_t* error); |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| class GraphicPlane |
| { |
| public: |
| static status_t orientationToTransfrom(int orientation, int w, int h, |
| Transform* tr); |
| |
| GraphicPlane(); |
| ~GraphicPlane(); |
| |
| bool initialized() const; |
| |
| void setDisplayHardware(DisplayHardware *); |
| status_t setOrientation(int orientation); |
| int getOrientation() const { return mOrientation; } |
| int getWidth() const; |
| int getHeight() const; |
| |
| const DisplayHardware& displayHardware() const; |
| DisplayHardware& editDisplayHardware(); |
| const Transform& transform() const; |
| EGLDisplay getEGLDisplay() const; |
| |
| private: |
| GraphicPlane(const GraphicPlane&); |
| GraphicPlane operator = (const GraphicPlane&); |
| |
| DisplayHardware* mHw; |
| Transform mGlobalTransform; |
| Transform mDisplayTransform; |
| int mOrientation; |
| float mDisplayWidth; |
| float mDisplayHeight; |
| int mWidth; |
| int mHeight; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| enum { |
| eTransactionNeeded = 0x01, |
| eTraversalNeeded = 0x02 |
| }; |
| |
| class SurfaceFlinger : |
| public BinderService<SurfaceFlinger>, |
| public BnSurfaceComposer, |
| public IBinder::DeathRecipient, |
| protected Thread |
| { |
| public: |
| static char const* getServiceName() { return "SurfaceFlinger"; } |
| |
| SurfaceFlinger(); |
| virtual ~SurfaceFlinger(); |
| void init(); |
| |
| virtual status_t onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); |
| |
| virtual status_t dump(int fd, const Vector<String16>& args); |
| |
| // ISurfaceComposer interface |
| virtual sp<ISurfaceComposerClient> createConnection(); |
| virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc(); |
| virtual sp<IMemoryHeap> getCblk() const; |
| virtual void bootFinished(); |
| virtual void setTransactionState(const Vector<ComposerState>& state, |
| int orientation, uint32_t flags); |
| virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags); |
| virtual bool authenticateSurfaceTexture(const sp<ISurfaceTexture>& surface) const; |
| |
| virtual status_t captureScreen(DisplayID dpy, |
| sp<IMemoryHeap>* heap, |
| uint32_t* width, uint32_t* height, |
| PixelFormat* format, uint32_t reqWidth, uint32_t reqHeight, |
| uint32_t minLayerZ, uint32_t maxLayerZ); |
| |
| virtual status_t turnElectronBeamOff(int32_t mode); |
| virtual status_t turnElectronBeamOn(int32_t mode); |
| |
| void screenReleased(DisplayID dpy); |
| void screenAcquired(DisplayID dpy); |
| |
| status_t renderScreenToTexture(DisplayID dpy, |
| GLuint* textureName, GLfloat* uOut, GLfloat* vOut); |
| status_t renderScreenToTextureLocked(DisplayID dpy, |
| GLuint* textureName, GLfloat* uOut, GLfloat* vOut); |
| |
| status_t postMessageAsync(const sp<MessageBase>& msg, |
| nsecs_t reltime=0, uint32_t flags = 0); |
| |
| status_t postMessageSync(const sp<MessageBase>& msg, |
| nsecs_t reltime=0, uint32_t flags = 0); |
| |
| status_t removeLayer(const sp<LayerBase>& layer); |
| status_t addLayer(const sp<LayerBase>& layer); |
| status_t invalidateLayerVisibility(const sp<LayerBase>& layer); |
| void invalidateHwcGeometry(); |
| |
| sp<Layer> getLayer(const sp<ISurface>& sur) const; |
| |
| GLuint getProtectedTexName() const { return mProtectedTexName; } |
| |
| |
| class MessageDestroyGLTexture : public MessageBase { |
| GLuint texture; |
| public: |
| MessageDestroyGLTexture(GLuint texture) : texture(texture) { } |
| virtual bool handler() { |
| glDeleteTextures(1, &texture); |
| return true; |
| } |
| }; |
| |
| |
| private: |
| // DeathRecipient interface |
| virtual void binderDied(const wp<IBinder>& who); |
| |
| private: |
| friend class Client; |
| friend class LayerBase; |
| friend class LayerBaseClient; |
| friend class Layer; |
| |
| sp<ISurface> createSurface( |
| ISurfaceComposerClient::surface_data_t* params, |
| const String8& name, |
| const sp<Client>& client, |
| DisplayID display, uint32_t w, uint32_t h, PixelFormat format, |
| uint32_t flags); |
| |
| sp<Layer> createNormalSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags, |
| PixelFormat& format); |
| |
| sp<LayerDim> createDimSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags); |
| |
| sp<LayerScreenshot> createScreenshotSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags); |
| |
| status_t removeSurface(const sp<Client>& client, SurfaceID sid); |
| status_t destroySurface(const wp<LayerBaseClient>& layer); |
| uint32_t setClientStateLocked(const sp<Client>& client, const layer_state_t& s); |
| |
| class LayerVector : public SortedVector< sp<LayerBase> > { |
| public: |
| LayerVector() { } |
| LayerVector(const LayerVector& rhs) : SortedVector< sp<LayerBase> >(rhs) { } |
| virtual int do_compare(const void* lhs, const void* rhs) const { |
| const sp<LayerBase>& l(*reinterpret_cast<const sp<LayerBase>*>(lhs)); |
| const sp<LayerBase>& r(*reinterpret_cast<const sp<LayerBase>*>(rhs)); |
| // sort layers by Z order |
| uint32_t lz = l->currentState().z; |
| uint32_t rz = r->currentState().z; |
| // then by sequence, so we get a stable ordering |
| return (lz != rz) ? (lz - rz) : (l->sequence - r->sequence); |
| } |
| }; |
| |
| struct State { |
| State() { |
| orientation = ISurfaceComposer::eOrientationDefault; |
| } |
| LayerVector layersSortedByZ; |
| uint8_t orientation; |
| uint8_t orientationFlags; |
| }; |
| |
| virtual bool threadLoop(); |
| virtual status_t readyToRun(); |
| virtual void onFirstRef(); |
| |
| public: // hack to work around gcc 4.0.3 bug |
| const GraphicPlane& graphicPlane(int dpy) const; |
| GraphicPlane& graphicPlane(int dpy); |
| void signalEvent(); |
| void repaintEverything(); |
| |
| private: |
| void waitForEvent(); |
| void handleConsoleEvents(); |
| void handleTransaction(uint32_t transactionFlags); |
| void handleTransactionLocked(uint32_t transactionFlags); |
| |
| void computeVisibleRegions( |
| const LayerVector& currentLayers, |
| Region& dirtyRegion, |
| Region& wormholeRegion); |
| |
| void handlePageFlip(); |
| bool lockPageFlip(const LayerVector& currentLayers); |
| void unlockPageFlip(const LayerVector& currentLayers); |
| void handleWorkList(); |
| void handleRepaint(); |
| void postFramebuffer(); |
| void setupHardwareComposer(Region& dirtyInOut); |
| void composeSurfaces(const Region& dirty); |
| |
| |
| void setInvalidateRegion(const Region& reg); |
| Region getAndClearInvalidateRegion(); |
| |
| ssize_t addClientLayer(const sp<Client>& client, |
| const sp<LayerBaseClient>& lbc); |
| status_t addLayer_l(const sp<LayerBase>& layer); |
| status_t removeLayer_l(const sp<LayerBase>& layer); |
| status_t purgatorizeLayer_l(const sp<LayerBase>& layer); |
| |
| uint32_t getTransactionFlags(uint32_t flags); |
| uint32_t peekTransactionFlags(uint32_t flags); |
| uint32_t setTransactionFlags(uint32_t flags); |
| void commitTransaction(); |
| |
| |
| status_t captureScreenImplLocked(DisplayID dpy, |
| sp<IMemoryHeap>* heap, |
| uint32_t* width, uint32_t* height, PixelFormat* format, |
| uint32_t reqWidth, uint32_t reqHeight, |
| uint32_t minLayerZ, uint32_t maxLayerZ); |
| |
| status_t turnElectronBeamOffImplLocked(int32_t mode); |
| status_t turnElectronBeamOnImplLocked(int32_t mode); |
| status_t electronBeamOffAnimationImplLocked(); |
| status_t electronBeamOnAnimationImplLocked(); |
| |
| void debugFlashRegions(); |
| void debugShowFPS() const; |
| void drawWormhole() const; |
| |
| |
| mutable MessageQueue mEventQueue; |
| |
| // access must be protected by mStateLock |
| mutable Mutex mStateLock; |
| State mCurrentState; |
| volatile int32_t mTransactionFlags; |
| Condition mTransactionCV; |
| SortedVector< sp<LayerBase> > mLayerPurgatory; |
| bool mTransationPending; |
| |
| // protected by mStateLock (but we could use another lock) |
| GraphicPlane mGraphicPlanes[1]; |
| bool mLayersRemoved; |
| DefaultKeyedVector< wp<IBinder>, wp<Layer> > mLayerMap; |
| |
| // access must be protected by mInvalidateLock |
| mutable Mutex mInvalidateLock; |
| Region mInvalidateRegion; |
| |
| // constant members (no synchronization needed for access) |
| sp<IMemoryHeap> mServerHeap; |
| surface_flinger_cblk_t* mServerCblk; |
| GLuint mWormholeTexName; |
| GLuint mProtectedTexName; |
| nsecs_t mBootTime; |
| |
| // Can only accessed from the main thread, these members |
| // don't need synchronization |
| State mDrawingState; |
| Region mDirtyRegion; |
| Region mDirtyRegionRemovedLayer; |
| Region mSwapRegion; |
| Region mWormholeRegion; |
| bool mVisibleRegionsDirty; |
| bool mHwWorkListDirty; |
| int32_t mElectronBeamAnimationMode; |
| Vector< sp<LayerBase> > mVisibleLayersSortedByZ; |
| |
| |
| // don't use a lock for these, we don't care |
| int mDebugRegion; |
| int mDebugBackground; |
| int mDebugDDMS; |
| int mDebugDisableHWC; |
| int mDebugDisableTransformHint; |
| volatile nsecs_t mDebugInSwapBuffers; |
| nsecs_t mLastSwapBufferTime; |
| volatile nsecs_t mDebugInTransaction; |
| nsecs_t mLastTransactionTime; |
| bool mBootFinished; |
| |
| // these are thread safe |
| mutable Barrier mReadyToRunBarrier; |
| |
| |
| // protected by mDestroyedLayerLock; |
| mutable Mutex mDestroyedLayerLock; |
| Vector<LayerBase const *> mDestroyedLayers; |
| |
| // atomic variables |
| enum { |
| eConsoleReleased = 1, |
| eConsoleAcquired = 2 |
| }; |
| volatile int32_t mConsoleSignals; |
| |
| // only written in the main thread, only read in other threads |
| volatile int32_t mSecureFrameBuffer; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |
| #endif // ANDROID_SURFACE_FLINGER_H |