| /* | 
 |  * 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. | 
 |  */ | 
 |  | 
 | #pragma once | 
 |  | 
 | #include <memory> | 
 |  | 
 | // TODO(b/129481165): remove the #pragma below and fix conversion issues | 
 | #pragma clang diagnostic push | 
 | #pragma clang diagnostic ignored "-Wconversion" | 
 | #pragma clang diagnostic ignored "-Wextra" | 
 |  | 
 | #include <composer-command-buffer/2.4/ComposerCommandBuffer.h> | 
 | #include <gui/BufferQueue.h> | 
 | #include <gui/HdrMetadata.h> | 
 | #include <math/mat4.h> | 
 | #include <ui/DisplayedFrameStats.h> | 
 | #include <ui/GraphicBuffer.h> | 
 | #include <utils/StrongPointer.h> | 
 |  | 
 | #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h> | 
 | #include <aidl/android/hardware/graphics/composer3/Capability.h> | 
 | #include <aidl/android/hardware/graphics/composer3/ClientTargetPropertyWithBrightness.h> | 
 | #include <aidl/android/hardware/graphics/composer3/Color.h> | 
 | #include <aidl/android/hardware/graphics/composer3/Composition.h> | 
 | #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h> | 
 | #include <aidl/android/hardware/graphics/composer3/IComposerCallback.h> | 
 |  | 
 | #include <aidl/android/hardware/graphics/common/Transform.h> | 
 | #include <optional> | 
 |  | 
 | // TODO(b/129481165): remove the #pragma below and fix conversion issues | 
 | #pragma clang diagnostic pop // ignored "-Wconversion -Wextra" | 
 |  | 
 | namespace android { | 
 | namespace HWC2 { | 
 | struct ComposerCallback; | 
 | } // namespace HWC2 | 
 |  | 
 | namespace Hwc2 { | 
 |  | 
 | 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; | 
 | namespace V2_4 = hardware::graphics::composer::V2_4; | 
 | namespace V3_0 = ::aidl::android::hardware::graphics::composer3; | 
 |  | 
 | 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::Layer; | 
 | using V2_4::CommandReaderBase; | 
 | using V2_4::CommandWriterBase; | 
 | using V2_4::IComposer; | 
 | using V2_4::IComposerCallback; | 
 | using V2_4::IComposerClient; | 
 | using V2_4::VsyncPeriodChangeTimeline; | 
 | using V2_4::VsyncPeriodNanos; | 
 | using PerFrameMetadata = IComposerClient::PerFrameMetadata; | 
 | using PerFrameMetadataKey = IComposerClient::PerFrameMetadataKey; | 
 | using PerFrameMetadataBlob = IComposerClient::PerFrameMetadataBlob; | 
 | using AidlTransform = ::aidl::android::hardware::graphics::common::Transform; | 
 |  | 
 | class Composer { | 
 | public: | 
 |     static std::unique_ptr<Composer> create(const std::string& serviceName); | 
 |  | 
 |     virtual ~Composer() = 0; | 
 |  | 
 |     enum class OptionalFeature { | 
 |         RefreshRateSwitching, | 
 |         ExpectedPresentTime, | 
 |         // Whether setDisplayBrightness is able to be applied as part of a display command. | 
 |         DisplayBrightnessCommand, | 
 |         KernelIdleTimer, | 
 |         PhysicalDisplayOrientation, | 
 |     }; | 
 |  | 
 |     virtual bool isSupported(OptionalFeature) const = 0; | 
 |  | 
 |     virtual std::vector<aidl::android::hardware::graphics::composer3::Capability> | 
 |     getCapabilities() = 0; | 
 |     virtual std::string dumpDebugInfo() = 0; | 
 |  | 
 |     virtual void registerCallback(HWC2::ComposerCallback& callback) = 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 Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat*, | 
 |                                        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<V3_0::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 getDozeSupport(Display display, bool* outSupport) = 0; | 
 |     virtual Error hasDisplayIdleTimerCapability(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) = 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, nsecs_t expectedPresentTime, | 
 |                                   uint32_t* outNumTypes, uint32_t* outNumRequests) = 0; | 
 |  | 
 |     virtual Error presentOrValidateDisplay(Display display, nsecs_t expectedPresentTime, | 
 |                                            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 aidl::android::hardware::graphics::composer3::Color& color) = 0; | 
 |     virtual Error setLayerCompositionType( | 
 |             Display display, Layer layer, | 
 |             aidl::android::hardware::graphics::composer3::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; | 
 |  | 
 |     // 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 setLayerPerFrameMetadataBlobs( | 
 |             Display display, Layer layer, const std::vector<PerFrameMetadataBlob>& metadata) = 0; | 
 |     // Options for setting the display brightness | 
 |     struct DisplayBrightnessOptions { | 
 |         // If true, then immediately submits a brightness change request to composer. Otherwise, | 
 |         // submission of the brightness change may be deferred until presenting the next frame. | 
 |         // applyImmediately should only be false if OptionalFeature::DisplayBrightnessCommand is | 
 |         // supported. | 
 |         bool applyImmediately = true; | 
 |  | 
 |         bool operator==(const DisplayBrightnessOptions& other) const { | 
 |             return applyImmediately == other.applyImmediately; | 
 |         } | 
 |     }; | 
 |     virtual Error setDisplayBrightness(Display display, float brightness, float brightnessNits, | 
 |                                        const DisplayBrightnessOptions& options) = 0; | 
 |  | 
 |     // Composer HAL 2.4 | 
 |     virtual Error getDisplayCapabilities(Display display, | 
 |                                          std::vector<V3_0::DisplayCapability>* outCapabilities) = 0; | 
 |     virtual V2_4::Error getDisplayConnectionType( | 
 |             Display display, IComposerClient::DisplayConnectionType* outType) = 0; | 
 |     virtual V2_4::Error getDisplayVsyncPeriod(Display display, | 
 |                                               VsyncPeriodNanos* outVsyncPeriod) = 0; | 
 |     virtual V2_4::Error setActiveConfigWithConstraints( | 
 |             Display display, Config config, | 
 |             const IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints, | 
 |             VsyncPeriodChangeTimeline* outTimeline) = 0; | 
 |  | 
 |     virtual V2_4::Error setAutoLowLatencyMode(Display displayId, bool on) = 0; | 
 |     virtual V2_4::Error getSupportedContentTypes( | 
 |             Display displayId, | 
 |             std::vector<IComposerClient::ContentType>* outSupportedContentTypes) = 0; | 
 |     virtual V2_4::Error setContentType(Display displayId, | 
 |                                        IComposerClient::ContentType contentType) = 0; | 
 |     virtual V2_4::Error setLayerGenericMetadata(Display display, Layer layer, | 
 |                                                 const std::string& key, bool mandatory, | 
 |                                                 const std::vector<uint8_t>& value) = 0; | 
 |     virtual V2_4::Error getLayerGenericMetadataKeys( | 
 |             std::vector<IComposerClient::LayerGenericMetadataKey>* outKeys) = 0; | 
 |  | 
 |     virtual Error getClientTargetProperty( | 
 |             Display display, V3_0::ClientTargetPropertyWithBrightness* outClientTargetProperty) = 0; | 
 |  | 
 |     // AIDL Composer | 
 |     virtual Error setLayerBrightness(Display display, Layer layer, float brightness) = 0; | 
 |     virtual Error setLayerBlockingRegion(Display display, Layer layer, | 
 |                                          const std::vector<IComposerClient::Rect>& blocking) = 0; | 
 |     virtual Error setBootDisplayConfig(Display displayId, Config) = 0; | 
 |     virtual Error clearBootDisplayConfig(Display displayId) = 0; | 
 |     virtual Error getPreferredBootDisplayConfig(Display displayId, Config*) = 0; | 
 |     virtual Error getDisplayDecorationSupport( | 
 |             Display display, | 
 |             std::optional<::aidl::android::hardware::graphics::common::DisplayDecorationSupport>* | 
 |                     support) = 0; | 
 |     virtual Error setIdleTimerEnabled(Display displayId, std::chrono::milliseconds timeout) = 0; | 
 |     virtual Error getPhysicalDisplayOrientation(Display displayId, | 
 |                                                 AidlTransform* outDisplayOrientation) = 0; | 
 | }; | 
 |  | 
 | } // namespace Hwc2 | 
 | } // namespace android |