| /* |
| * Copyright (C) 2006 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_ISURFACE_COMPOSER_H |
| #define ANDROID_GUI_ISURFACE_COMPOSER_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <utils/RefBase.h> |
| #include <utils/Errors.h> |
| #include <utils/Timers.h> |
| #include <utils/Vector.h> |
| |
| #include <binder/IInterface.h> |
| |
| #include <ui/FrameStats.h> |
| #include <ui/PixelFormat.h> |
| #include <ui/GraphicBuffer.h> |
| #include <ui/GraphicTypes.h> |
| |
| #include <vector> |
| |
| namespace android { |
| // ---------------------------------------------------------------------------- |
| |
| struct ComposerState; |
| struct DisplayState; |
| struct DisplayInfo; |
| struct DisplayStatInfo; |
| class LayerDebugInfo; |
| class HdrCapabilities; |
| class IDisplayEventConnection; |
| class IGraphicBufferProducer; |
| class ISurfaceComposerClient; |
| class Rect; |
| enum class FrameEvent; |
| |
| /* |
| * This class defines the Binder IPC interface for accessing various |
| * SurfaceFlinger features. |
| */ |
| class ISurfaceComposer: public IInterface { |
| public: |
| DECLARE_META_INTERFACE(SurfaceComposer) |
| |
| // flags for setTransactionState() |
| enum { |
| eSynchronous = 0x01, |
| eAnimation = 0x02, |
| |
| // Indicates that this transaction will likely result in a lot of layers being composed, and |
| // thus, SurfaceFlinger should wake-up earlier to avoid missing frame deadlines. In this |
| // case SurfaceFlinger will wake up at (sf vsync offset - debug.sf.early_phase_offset_ns) |
| eEarlyWakeup = 0x04 |
| }; |
| |
| enum { |
| eDisplayIdMain = 0, |
| eDisplayIdHdmi = 1 |
| }; |
| |
| enum Rotation { |
| eRotateNone = 0, |
| eRotate90 = 1, |
| eRotate180 = 2, |
| eRotate270 = 3 |
| }; |
| |
| enum VsyncSource { |
| eVsyncSourceApp = 0, |
| eVsyncSourceSurfaceFlinger = 1 |
| }; |
| |
| /* create connection with surface flinger, requires |
| * ACCESS_SURFACE_FLINGER permission |
| */ |
| virtual sp<ISurfaceComposerClient> createConnection() = 0; |
| |
| /** create a scoped connection with surface flinger. |
| * Surfaces produced with this connection will act |
| * as children of the passed in GBP. That is to say |
| * SurfaceFlinger will draw them relative and confined to |
| * drawing of buffers from the layer associated with parent. |
| * As this is graphically equivalent in reach to just drawing |
| * pixels into the parent buffers, it requires no special permission. |
| */ |
| virtual sp<ISurfaceComposerClient> createScopedConnection( |
| const sp<IGraphicBufferProducer>& parent) = 0; |
| |
| /* return an IDisplayEventConnection */ |
| virtual sp<IDisplayEventConnection> createDisplayEventConnection( |
| VsyncSource vsyncSource = eVsyncSourceApp) = 0; |
| |
| /* create a virtual display |
| * requires ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual sp<IBinder> createDisplay(const String8& displayName, |
| bool secure) = 0; |
| |
| /* destroy a virtual display |
| * requires ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual void destroyDisplay(const sp<IBinder>& display) = 0; |
| |
| /* get the token for the existing default displays. possible values |
| * for id are eDisplayIdMain and eDisplayIdHdmi. |
| */ |
| virtual sp<IBinder> getBuiltInDisplay(int32_t id) = 0; |
| |
| /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */ |
| virtual void setTransactionState(const Vector<ComposerState>& state, |
| const Vector<DisplayState>& displays, uint32_t flags) = 0; |
| |
| /* signal that we're done booting. |
| * Requires ACCESS_SURFACE_FLINGER permission |
| */ |
| virtual void bootFinished() = 0; |
| |
| /* verify that an IGraphicBufferProducer was created by SurfaceFlinger. |
| */ |
| virtual bool authenticateSurfaceTexture( |
| const sp<IGraphicBufferProducer>& surface) const = 0; |
| |
| /* Returns the frame timestamps supported by SurfaceFlinger. |
| */ |
| virtual status_t getSupportedFrameTimestamps( |
| std::vector<FrameEvent>* outSupported) const = 0; |
| |
| /* set display power mode. depending on the mode, it can either trigger |
| * screen on, off or low power mode and wait for it to complete. |
| * requires ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual void setPowerMode(const sp<IBinder>& display, int mode) = 0; |
| |
| /* returns information for each configuration of the given display |
| * intended to be used to get information about built-in displays */ |
| virtual status_t getDisplayConfigs(const sp<IBinder>& display, |
| Vector<DisplayInfo>* configs) = 0; |
| |
| /* returns display statistics for a given display |
| * intended to be used by the media framework to properly schedule |
| * video frames */ |
| virtual status_t getDisplayStats(const sp<IBinder>& display, |
| DisplayStatInfo* stats) = 0; |
| |
| /* returns display viewport information of the given display */ |
| virtual status_t getDisplayViewport(const sp<IBinder>& display, Rect* outViewport) = 0; |
| |
| /* indicates which of the configurations returned by getDisplayInfo is |
| * currently active */ |
| virtual int getActiveConfig(const sp<IBinder>& display) = 0; |
| |
| /* specifies which configuration (of those returned by getDisplayInfo) |
| * should be used */ |
| virtual status_t setActiveConfig(const sp<IBinder>& display, int id) = 0; |
| |
| virtual status_t getDisplayColorModes(const sp<IBinder>& display, |
| Vector<ui::ColorMode>* outColorModes) = 0; |
| virtual ui::ColorMode getActiveColorMode(const sp<IBinder>& display) = 0; |
| virtual status_t setActiveColorMode(const sp<IBinder>& display, |
| ui::ColorMode colorMode) = 0; |
| |
| /* Capture the specified screen. requires READ_FRAME_BUFFER permission |
| * This function will fail if there is a secure window on screen. |
| */ |
| virtual status_t captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer, |
| Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight, |
| int32_t minLayerZ, int32_t maxLayerZ, bool useIdentityTransform, |
| Rotation rotation = eRotateNone) = 0; |
| |
| /** |
| * Capture a subtree of the layer hierarchy, potentially ignoring the root node. |
| */ |
| virtual status_t captureLayers(const sp<IBinder>& layerHandleBinder, |
| sp<GraphicBuffer>* outBuffer, const Rect& sourceCrop, |
| float frameScale = 1.0, bool childrenOnly = false) = 0; |
| |
| /* Clears the frame statistics for animations. |
| * |
| * Requires the ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual status_t clearAnimationFrameStats() = 0; |
| |
| /* Gets the frame statistics for animations. |
| * |
| * Requires the ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual status_t getAnimationFrameStats(FrameStats* outStats) const = 0; |
| |
| /* Gets the supported HDR capabilities of the given display. |
| * |
| * Requires the ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual status_t getHdrCapabilities(const sp<IBinder>& display, |
| HdrCapabilities* outCapabilities) const = 0; |
| |
| virtual status_t enableVSyncInjections(bool enable) = 0; |
| |
| virtual status_t injectVSync(nsecs_t when) = 0; |
| |
| /* Gets the list of active layers in Z order for debugging purposes |
| * |
| * Requires the ACCESS_SURFACE_FLINGER permission. |
| */ |
| virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const = 0; |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| class BnSurfaceComposer: public BnInterface<ISurfaceComposer> { |
| public: |
| enum { |
| // Note: BOOT_FINISHED must remain this value, it is called from |
| // Java by ActivityManagerService. |
| BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION, |
| CREATE_CONNECTION, |
| UNUSED, // formerly CREATE_GRAPHIC_BUFFER_ALLOC |
| CREATE_DISPLAY_EVENT_CONNECTION, |
| CREATE_DISPLAY, |
| DESTROY_DISPLAY, |
| GET_BUILT_IN_DISPLAY, |
| SET_TRANSACTION_STATE, |
| AUTHENTICATE_SURFACE, |
| GET_SUPPORTED_FRAME_TIMESTAMPS, |
| GET_DISPLAY_CONFIGS, |
| GET_ACTIVE_CONFIG, |
| SET_ACTIVE_CONFIG, |
| CONNECT_DISPLAY, |
| CAPTURE_SCREEN, |
| CAPTURE_LAYERS, |
| CLEAR_ANIMATION_FRAME_STATS, |
| GET_ANIMATION_FRAME_STATS, |
| SET_POWER_MODE, |
| GET_DISPLAY_STATS, |
| GET_HDR_CAPABILITIES, |
| GET_DISPLAY_COLOR_MODES, |
| GET_ACTIVE_COLOR_MODE, |
| SET_ACTIVE_COLOR_MODE, |
| ENABLE_VSYNC_INJECTIONS, |
| INJECT_VSYNC, |
| GET_LAYER_DEBUG_INFO, |
| CREATE_SCOPED_CONNECTION, |
| GET_DISPLAY_VIEWPORT |
| }; |
| |
| virtual status_t onTransact(uint32_t code, const Parcel& data, |
| Parcel* reply, uint32_t flags = 0); |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |
| |
| #endif // ANDROID_GUI_ISURFACE_COMPOSER_H |