| /* |
| * 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_COMPOSER_CLIENT_H |
| #define ANDROID_SURFACE_COMPOSER_CLIENT_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <utils/SortedVector.h> |
| #include <utils/RefBase.h> |
| #include <utils/threads.h> |
| |
| #include <ui/PixelFormat.h> |
| #include <ui/ISurfaceComposer.h> |
| #include <ui/Region.h> |
| #include <ui/Surface.h> |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| class Region; |
| class SurfaceFlingerSynchro; |
| class SharedClient; |
| |
| class SurfaceComposerClient : virtual public RefBase |
| { |
| public: |
| SurfaceComposerClient(); |
| virtual ~SurfaceComposerClient(); |
| |
| // Always make sure we could initialize |
| status_t initCheck() const; |
| |
| // Return the connection of this client |
| sp<IBinder> connection() const; |
| |
| // Retrieve a client for an existing connection. |
| static sp<SurfaceComposerClient> |
| clientForConnection(const sp<IBinder>& conn); |
| |
| // Forcibly remove connection before all references have gone away. |
| void dispose(); |
| |
| // ------------------------------------------------------------------------ |
| // surface creation / destruction |
| |
| //! Create a surface |
| sp<SurfaceControl> createSurface( |
| int pid, // pid of the process the surface is for |
| DisplayID display, // Display to create this surface on |
| uint32_t w, // width in pixel |
| uint32_t h, // height in pixel |
| PixelFormat format, // pixel-format desired |
| uint32_t flags = 0 // usage flags |
| ); |
| |
| // ------------------------------------------------------------------------ |
| // Composer parameters |
| // All composer parameters must be changed within a transaction |
| // several surfaces can be updated in one transaction, all changes are |
| // committed at once when the transaction is closed. |
| // CloseTransaction() usually requires an IPC with the server. |
| |
| //! Open a composer transaction |
| status_t openTransaction(); |
| |
| //! commit the transaction |
| status_t closeTransaction(); |
| |
| //! Open a composer transaction on all active SurfaceComposerClients. |
| static void openGlobalTransaction(); |
| |
| //! Close a composer transaction on all active SurfaceComposerClients. |
| static void closeGlobalTransaction(); |
| |
| //! Freeze the specified display but not transactions. |
| static status_t freezeDisplay(DisplayID dpy, uint32_t flags = 0); |
| |
| //! Resume updates on the specified display. |
| static status_t unfreezeDisplay(DisplayID dpy, uint32_t flags = 0); |
| |
| //! Set the orientation of the given display |
| static int setOrientation(DisplayID dpy, int orientation, uint32_t flags); |
| |
| // Query the number of displays |
| static ssize_t getNumberOfDisplays(); |
| |
| // Get information about a display |
| static status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info); |
| static ssize_t getDisplayWidth(DisplayID dpy); |
| static ssize_t getDisplayHeight(DisplayID dpy); |
| static ssize_t getDisplayOrientation(DisplayID dpy); |
| |
| |
| private: |
| friend class Surface; |
| friend class SurfaceControl; |
| |
| SurfaceComposerClient(const sp<ISurfaceComposer>& sm, |
| const sp<IBinder>& conn); |
| |
| status_t hide(SurfaceID id); |
| status_t show(SurfaceID id, int32_t layer = -1); |
| status_t freeze(SurfaceID id); |
| status_t unfreeze(SurfaceID id); |
| status_t setFlags(SurfaceID id, uint32_t flags, uint32_t mask); |
| status_t setTransparentRegionHint(SurfaceID id, const Region& transparent); |
| status_t setLayer(SurfaceID id, int32_t layer); |
| status_t setAlpha(SurfaceID id, float alpha=1.0f); |
| status_t setFreezeTint(SurfaceID id, uint32_t tint); |
| status_t setMatrix(SurfaceID id, float dsdx, float dtdx, float dsdy, float dtdy); |
| status_t setPosition(SurfaceID id, int32_t x, int32_t y); |
| status_t setSize(SurfaceID id, uint32_t w, uint32_t h); |
| |
| void signalServer(); |
| |
| status_t destroySurface(SurfaceID sid); |
| |
| void _init(const sp<ISurfaceComposer>& sm, |
| const sp<ISurfaceFlingerClient>& conn); |
| |
| inline layer_state_t* _get_state_l(SurfaceID id); |
| layer_state_t* _lockLayerState(SurfaceID id); |
| inline void _unlockLayerState(); |
| |
| mutable Mutex mLock; |
| layer_state_t* mPrebuiltLayerState; |
| SortedVector<layer_state_t> mStates; |
| int32_t mTransactionOpen; |
| |
| // these don't need to be protected because they never change |
| // after assignment |
| status_t mStatus; |
| SharedClient* mControl; |
| sp<IMemoryHeap> mControlMemory; |
| sp<ISurfaceFlingerClient> mClient; |
| SurfaceFlingerSynchro* mSignalServer; |
| }; |
| |
| }; // namespace android |
| |
| #endif // ANDROID_SURFACE_COMPOSER_CLIENT_H |
| |