| /* |
| * Copyright 2016 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_SF_COMPOSER_HAL_H |
| #define ANDROID_SF_COMPOSER_HAL_H |
| |
| #include <memory> |
| #include <string> |
| #include <unordered_map> |
| #include <utility> |
| #include <vector> |
| |
| #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h> |
| #include <android/hardware/graphics/common/1.1/types.h> |
| #include <android/hardware/graphics/composer/2.3/IComposer.h> |
| #include <android/hardware/graphics/composer/2.3/IComposerClient.h> |
| #include <composer-command-buffer/2.3/ComposerCommandBuffer.h> |
| #include <gui/HdrMetadata.h> |
| #include <math/mat4.h> |
| #include <ui/DisplayedFrameStats.h> |
| #include <ui/GraphicBuffer.h> |
| #include <utils/StrongPointer.h> |
| |
| namespace android { |
| |
| namespace Hwc2 { |
| |
| using frameworks::vr::composer::V1_0::IVrComposerClient; |
| |
| namespace types = hardware::graphics::common; |
| |
| namespace V2_1 = hardware::graphics::composer::V2_1; |
| namespace V2_2 = hardware::graphics::composer::V2_2; |
| namespace V2_3 = hardware::graphics::composer::V2_3; |
| |
| using types::V1_0::ColorTransform; |
| using types::V1_0::Transform; |
| using types::V1_1::RenderIntent; |
| using types::V1_2::ColorMode; |
| using types::V1_2::Dataspace; |
| using types::V1_2::Hdr; |
| using types::V1_2::PixelFormat; |
| |
| using V2_1::Config; |
| using V2_1::Display; |
| using V2_1::Error; |
| using V2_1::IComposerCallback; |
| using V2_1::Layer; |
| using V2_3::CommandReaderBase; |
| using V2_3::CommandWriterBase; |
| using V2_3::IComposer; |
| using V2_3::IComposerClient; |
| using DisplayCapability = IComposerClient::DisplayCapability; |
| using PerFrameMetadata = IComposerClient::PerFrameMetadata; |
| using PerFrameMetadataKey = IComposerClient::PerFrameMetadataKey; |
| using PerFrameMetadataBlob = IComposerClient::PerFrameMetadataBlob; |
| |
| class Composer { |
| public: |
| virtual ~Composer() = 0; |
| |
| virtual std::vector<IComposer::Capability> getCapabilities() = 0; |
| virtual std::string dumpDebugInfo() = 0; |
| |
| virtual void registerCallback(const sp<IComposerCallback>& callback) = 0; |
| |
| // Returns true if the connected composer service is running in a remote |
| // process, false otherwise. This will return false if the service is |
| // configured in passthrough mode, for example. |
| virtual bool isRemote() = 0; |
| |
| // Reset all pending commands in the command buffer. Useful if you want to |
| // skip a frame but have already queued some commands. |
| virtual void resetCommands() = 0; |
| |
| // Explicitly flush all pending commands in the command buffer. |
| virtual Error executeCommands() = 0; |
| |
| virtual uint32_t getMaxVirtualDisplayCount() = 0; |
| virtual bool isUsingVrComposer() const = 0; |
| virtual Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format, |
| Display* outDisplay) = 0; |
| virtual Error destroyVirtualDisplay(Display display) = 0; |
| |
| virtual Error acceptDisplayChanges(Display display) = 0; |
| |
| virtual Error createLayer(Display display, Layer* outLayer) = 0; |
| virtual Error destroyLayer(Display display, Layer layer) = 0; |
| |
| virtual Error getActiveConfig(Display display, Config* outConfig) = 0; |
| virtual Error getChangedCompositionTypes( |
| Display display, std::vector<Layer>* outLayers, |
| std::vector<IComposerClient::Composition>* outTypes) = 0; |
| virtual Error getColorModes(Display display, std::vector<ColorMode>* outModes) = 0; |
| virtual Error getDisplayAttribute(Display display, Config config, |
| IComposerClient::Attribute attribute, int32_t* outValue) = 0; |
| virtual Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs) = 0; |
| virtual Error getDisplayName(Display display, std::string* outName) = 0; |
| |
| virtual Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask, |
| std::vector<Layer>* outLayers, |
| std::vector<uint32_t>* outLayerRequestMasks) = 0; |
| |
| virtual Error getDisplayType(Display display, IComposerClient::DisplayType* outType) = 0; |
| virtual Error getDozeSupport(Display display, bool* outSupport) = 0; |
| virtual Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, |
| float* outMaxLuminance, float* outMaxAverageLuminance, |
| float* outMinLuminance) = 0; |
| |
| virtual Error getReleaseFences(Display display, std::vector<Layer>* outLayers, |
| std::vector<int>* outReleaseFences) = 0; |
| |
| virtual Error presentDisplay(Display display, int* outPresentFence) = 0; |
| |
| virtual Error setActiveConfig(Display display, Config config) = 0; |
| |
| /* |
| * The composer caches client targets internally. When target is nullptr, |
| * the composer uses slot to look up the client target from its cache. |
| * When target is not nullptr, the cache is updated with the new target. |
| */ |
| virtual Error setClientTarget(Display display, uint32_t slot, const sp<GraphicBuffer>& target, |
| int acquireFence, Dataspace dataspace, |
| const std::vector<IComposerClient::Rect>& damage) = 0; |
| virtual Error setColorMode(Display display, ColorMode mode, RenderIntent renderIntent) = 0; |
| virtual Error setColorTransform(Display display, const float* matrix, ColorTransform hint) = 0; |
| virtual Error setOutputBuffer(Display display, const native_handle_t* buffer, |
| int releaseFence) = 0; |
| virtual Error setPowerMode(Display display, IComposerClient::PowerMode mode) = 0; |
| virtual Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) = 0; |
| |
| virtual Error setClientTargetSlotCount(Display display) = 0; |
| |
| virtual Error validateDisplay(Display display, uint32_t* outNumTypes, |
| uint32_t* outNumRequests) = 0; |
| |
| virtual Error presentOrValidateDisplay(Display display, uint32_t* outNumTypes, |
| uint32_t* outNumRequests, int* outPresentFence, |
| uint32_t* state) = 0; |
| |
| virtual Error setCursorPosition(Display display, Layer layer, int32_t x, int32_t y) = 0; |
| /* see setClientTarget for the purpose of slot */ |
| virtual Error setLayerBuffer(Display display, Layer layer, uint32_t slot, |
| const sp<GraphicBuffer>& buffer, int acquireFence) = 0; |
| virtual Error setLayerSurfaceDamage(Display display, Layer layer, |
| const std::vector<IComposerClient::Rect>& damage) = 0; |
| virtual Error setLayerBlendMode(Display display, Layer layer, |
| IComposerClient::BlendMode mode) = 0; |
| virtual Error setLayerColor(Display display, Layer layer, |
| const IComposerClient::Color& color) = 0; |
| virtual Error setLayerCompositionType(Display display, Layer layer, |
| IComposerClient::Composition type) = 0; |
| virtual Error setLayerDataspace(Display display, Layer layer, Dataspace dataspace) = 0; |
| virtual Error setLayerDisplayFrame(Display display, Layer layer, |
| const IComposerClient::Rect& frame) = 0; |
| virtual Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) = 0; |
| virtual Error setLayerSidebandStream(Display display, Layer layer, |
| const native_handle_t* stream) = 0; |
| virtual Error setLayerSourceCrop(Display display, Layer layer, |
| const IComposerClient::FRect& crop) = 0; |
| virtual Error setLayerTransform(Display display, Layer layer, Transform transform) = 0; |
| virtual Error setLayerVisibleRegion(Display display, Layer layer, |
| const std::vector<IComposerClient::Rect>& visible) = 0; |
| virtual Error setLayerZOrder(Display display, Layer layer, uint32_t z) = 0; |
| virtual Error setLayerInfo(Display display, Layer layer, uint32_t type, uint32_t appId) = 0; |
| |
| // Composer HAL 2.2 |
| virtual Error setLayerPerFrameMetadata( |
| Display display, Layer layer, |
| const std::vector<IComposerClient::PerFrameMetadata>& perFrameMetadatas) = 0; |
| virtual std::vector<IComposerClient::PerFrameMetadataKey> getPerFrameMetadataKeys( |
| Display display) = 0; |
| virtual Error getRenderIntents(Display display, ColorMode colorMode, |
| std::vector<RenderIntent>* outRenderIntents) = 0; |
| virtual Error getDataspaceSaturationMatrix(Dataspace dataspace, mat4* outMatrix) = 0; |
| |
| // Composer HAL 2.3 |
| virtual Error getDisplayIdentificationData(Display display, uint8_t* outPort, |
| std::vector<uint8_t>* outData) = 0; |
| virtual Error setLayerColorTransform(Display display, Layer layer, |
| const float* matrix) = 0; |
| virtual Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat, |
| Dataspace* outDataspace, |
| uint8_t* outComponentMask) = 0; |
| virtual Error setDisplayContentSamplingEnabled(Display display, bool enabled, |
| uint8_t componentMask, uint64_t maxFrames) = 0; |
| virtual Error getDisplayedContentSample(Display display, uint64_t maxFrames, uint64_t timestamp, |
| DisplayedFrameStats* outStats) = 0; |
| virtual Error getDisplayCapabilities(Display display, |
| std::vector<DisplayCapability>* outCapabilities) = 0; |
| virtual Error setLayerPerFrameMetadataBlobs( |
| Display display, Layer layer, const std::vector<PerFrameMetadataBlob>& metadata) = 0; |
| virtual Error setDisplayBrightness(Display display, float brightness) = 0; |
| }; |
| |
| namespace impl { |
| |
| class CommandReader : public CommandReaderBase { |
| public: |
| ~CommandReader(); |
| |
| // Parse and execute commands from the command queue. The commands are |
| // actually return values from the server and will be saved in ReturnData. |
| Error parse(); |
| |
| // Get and clear saved errors. |
| struct CommandError { |
| uint32_t location; |
| Error error; |
| }; |
| std::vector<CommandError> takeErrors(); |
| |
| bool hasChanges(Display display, uint32_t* outNumChangedCompositionTypes, |
| uint32_t* outNumLayerRequestMasks) const; |
| |
| // Get and clear saved changed composition types. |
| void takeChangedCompositionTypes(Display display, |
| std::vector<Layer>* outLayers, |
| std::vector<IComposerClient::Composition>* outTypes); |
| |
| // Get and clear saved display requests. |
| void takeDisplayRequests(Display display, |
| uint32_t* outDisplayRequestMask, std::vector<Layer>* outLayers, |
| std::vector<uint32_t>* outLayerRequestMasks); |
| |
| // Get and clear saved release fences. |
| void takeReleaseFences(Display display, std::vector<Layer>* outLayers, |
| std::vector<int>* outReleaseFences); |
| |
| // Get and clear saved present fence. |
| void takePresentFence(Display display, int* outPresentFence); |
| |
| // Get what stage succeeded during PresentOrValidate: Present or Validate |
| void takePresentOrValidateStage(Display display, uint32_t * state); |
| |
| private: |
| void resetData(); |
| |
| bool parseSelectDisplay(uint16_t length); |
| bool parseSetError(uint16_t length); |
| bool parseSetChangedCompositionTypes(uint16_t length); |
| bool parseSetDisplayRequests(uint16_t length); |
| bool parseSetPresentFence(uint16_t length); |
| bool parseSetReleaseFences(uint16_t length); |
| bool parseSetPresentOrValidateDisplayResult(uint16_t length); |
| |
| struct ReturnData { |
| uint32_t displayRequests = 0; |
| |
| std::vector<Layer> changedLayers; |
| std::vector<IComposerClient::Composition> compositionTypes; |
| |
| std::vector<Layer> requestedLayers; |
| std::vector<uint32_t> requestMasks; |
| |
| int presentFence = -1; |
| |
| std::vector<Layer> releasedLayers; |
| std::vector<int> releaseFences; |
| |
| uint32_t presentOrValidateState; |
| }; |
| |
| std::vector<CommandError> mErrors; |
| std::unordered_map<Display, ReturnData> mReturnData; |
| |
| // When SELECT_DISPLAY is parsed, this is updated to point to the |
| // display's return data in mReturnData. We use it to avoid repeated |
| // map lookups. |
| ReturnData* mCurrentReturnData; |
| }; |
| |
| // Composer is a wrapper to IComposer, a proxy to server-side composer. |
| class Composer final : public Hwc2::Composer { |
| public: |
| explicit Composer(const std::string& serviceName); |
| ~Composer() override; |
| |
| std::vector<IComposer::Capability> getCapabilities() override; |
| std::string dumpDebugInfo() override; |
| |
| void registerCallback(const sp<IComposerCallback>& callback) override; |
| |
| // Returns true if the connected composer service is running in a remote |
| // process, false otherwise. This will return false if the service is |
| // configured in passthrough mode, for example. |
| bool isRemote() override; |
| |
| // Reset all pending commands in the command buffer. Useful if you want to |
| // skip a frame but have already queued some commands. |
| void resetCommands() override; |
| |
| // Explicitly flush all pending commands in the command buffer. |
| Error executeCommands() override; |
| |
| uint32_t getMaxVirtualDisplayCount() override; |
| bool isUsingVrComposer() const override { return mIsUsingVrComposer; } |
| Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format, |
| Display* outDisplay) override; |
| Error destroyVirtualDisplay(Display display) override; |
| |
| Error acceptDisplayChanges(Display display) override; |
| |
| Error createLayer(Display display, Layer* outLayer) override; |
| Error destroyLayer(Display display, Layer layer) override; |
| |
| Error getActiveConfig(Display display, Config* outConfig) override; |
| Error getChangedCompositionTypes(Display display, std::vector<Layer>* outLayers, |
| std::vector<IComposerClient::Composition>* outTypes) override; |
| Error getColorModes(Display display, std::vector<ColorMode>* outModes) override; |
| Error getDisplayAttribute(Display display, Config config, IComposerClient::Attribute attribute, |
| int32_t* outValue) override; |
| Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs); |
| Error getDisplayName(Display display, std::string* outName) override; |
| |
| Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask, |
| std::vector<Layer>* outLayers, |
| std::vector<uint32_t>* outLayerRequestMasks) override; |
| |
| Error getDisplayType(Display display, IComposerClient::DisplayType* outType) override; |
| Error getDozeSupport(Display display, bool* outSupport) override; |
| Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, float* outMaxLuminance, |
| float* outMaxAverageLuminance, float* outMinLuminance) override; |
| |
| Error getReleaseFences(Display display, std::vector<Layer>* outLayers, |
| std::vector<int>* outReleaseFences) override; |
| |
| Error presentDisplay(Display display, int* outPresentFence) override; |
| |
| Error setActiveConfig(Display display, Config config) override; |
| |
| /* |
| * The composer caches client targets internally. When target is nullptr, |
| * the composer uses slot to look up the client target from its cache. |
| * When target is not nullptr, the cache is updated with the new target. |
| */ |
| Error setClientTarget(Display display, uint32_t slot, const sp<GraphicBuffer>& target, |
| int acquireFence, Dataspace dataspace, |
| const std::vector<IComposerClient::Rect>& damage) override; |
| Error setColorMode(Display display, ColorMode mode, RenderIntent renderIntent) override; |
| Error setColorTransform(Display display, const float* matrix, ColorTransform hint) override; |
| Error setOutputBuffer(Display display, const native_handle_t* buffer, |
| int releaseFence) override; |
| Error setPowerMode(Display display, IComposerClient::PowerMode mode) override; |
| Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) override; |
| |
| Error setClientTargetSlotCount(Display display) override; |
| |
| Error validateDisplay(Display display, uint32_t* outNumTypes, |
| uint32_t* outNumRequests) override; |
| |
| Error presentOrValidateDisplay(Display display, uint32_t* outNumTypes, uint32_t* outNumRequests, |
| int* outPresentFence, uint32_t* state) override; |
| |
| Error setCursorPosition(Display display, Layer layer, int32_t x, int32_t y) override; |
| /* see setClientTarget for the purpose of slot */ |
| Error setLayerBuffer(Display display, Layer layer, uint32_t slot, |
| const sp<GraphicBuffer>& buffer, int acquireFence) override; |
| Error setLayerSurfaceDamage(Display display, Layer layer, |
| const std::vector<IComposerClient::Rect>& damage) override; |
| Error setLayerBlendMode(Display display, Layer layer, IComposerClient::BlendMode mode) override; |
| Error setLayerColor(Display display, Layer layer, const IComposerClient::Color& color) override; |
| Error setLayerCompositionType(Display display, Layer layer, |
| IComposerClient::Composition type) override; |
| Error setLayerDataspace(Display display, Layer layer, Dataspace dataspace) override; |
| Error setLayerDisplayFrame(Display display, Layer layer, |
| const IComposerClient::Rect& frame) override; |
| Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override; |
| Error setLayerSidebandStream(Display display, Layer layer, |
| const native_handle_t* stream) override; |
| Error setLayerSourceCrop(Display display, Layer layer, |
| const IComposerClient::FRect& crop) override; |
| Error setLayerTransform(Display display, Layer layer, Transform transform) override; |
| Error setLayerVisibleRegion(Display display, Layer layer, |
| const std::vector<IComposerClient::Rect>& visible) override; |
| Error setLayerZOrder(Display display, Layer layer, uint32_t z) override; |
| Error setLayerInfo(Display display, Layer layer, uint32_t type, uint32_t appId) override; |
| |
| // Composer HAL 2.2 |
| Error setLayerPerFrameMetadata( |
| Display display, Layer layer, |
| const std::vector<IComposerClient::PerFrameMetadata>& perFrameMetadatas) override; |
| std::vector<IComposerClient::PerFrameMetadataKey> getPerFrameMetadataKeys( |
| Display display) override; |
| Error getRenderIntents(Display display, ColorMode colorMode, |
| std::vector<RenderIntent>* outRenderIntents) override; |
| Error getDataspaceSaturationMatrix(Dataspace dataspace, mat4* outMatrix) override; |
| |
| // Composer HAL 2.3 |
| Error getDisplayIdentificationData(Display display, uint8_t* outPort, |
| std::vector<uint8_t>* outData) override; |
| Error setLayerColorTransform(Display display, Layer layer, const float* matrix) override; |
| Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat, |
| Dataspace* outDataspace, |
| uint8_t* outComponentMask) override; |
| Error setDisplayContentSamplingEnabled(Display display, bool enabled, uint8_t componentMask, |
| uint64_t maxFrames) override; |
| Error getDisplayedContentSample(Display display, uint64_t maxFrames, uint64_t timestamp, |
| DisplayedFrameStats* outStats) override; |
| Error getDisplayCapabilities(Display display, |
| std::vector<DisplayCapability>* outCapabilities) override; |
| Error setLayerPerFrameMetadataBlobs( |
| Display display, Layer layer, |
| const std::vector<IComposerClient::PerFrameMetadataBlob>& metadata) override; |
| Error setDisplayBrightness(Display display, float brightness) override; |
| |
| private: |
| class CommandWriter : public CommandWriterBase { |
| public: |
| explicit CommandWriter(uint32_t initialMaxSize); |
| ~CommandWriter() override; |
| |
| void setLayerInfo(uint32_t type, uint32_t appId); |
| void setClientTargetMetadata( |
| const IVrComposerClient::BufferMetadata& metadata); |
| void setLayerBufferMetadata( |
| const IVrComposerClient::BufferMetadata& metadata); |
| |
| private: |
| void writeBufferMetadata( |
| const IVrComposerClient::BufferMetadata& metadata); |
| }; |
| |
| // Many public functions above simply write a command into the command |
| // queue to batch the calls. validateDisplay and presentDisplay will call |
| // this function to execute the command queue. |
| Error execute(); |
| |
| sp<V2_1::IComposer> mComposer; |
| |
| sp<V2_1::IComposerClient> mClient; |
| sp<V2_2::IComposerClient> mClient_2_2; |
| sp<IComposerClient> mClient_2_3; |
| |
| // 64KiB minus a small space for metadata such as read/write pointers |
| static constexpr size_t kWriterInitialSize = |
| 64 * 1024 / sizeof(uint32_t) - 16; |
| CommandWriter mWriter; |
| CommandReader mReader; |
| |
| // When true, the we attach to the vr_hwcomposer service instead of the |
| // hwcomposer. This allows us to redirect surfaces to 3d surfaces in vr. |
| const bool mIsUsingVrComposer; |
| }; |
| |
| } // namespace impl |
| |
| } // namespace Hwc2 |
| |
| } // namespace android |
| |
| #endif // ANDROID_SF_COMPOSER_HAL_H |
