258 lines
13 KiB
C++
258 lines
13 KiB
C++
/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "ComposerHal.h"
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#include <optional>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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#pragma clang diagnostic ignored "-Wextra"
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#include <android/hardware/graphics/composer/2.4/IComposer.h>
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#include <android/hardware/graphics/composer/2.4/IComposerClient.h>
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#include <aidl/android/hardware/graphics/composer3/IComposer.h>
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#include <aidl/android/hardware/graphics/composer3/IComposerClient.h>
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#include <android/hardware/graphics/composer3/ComposerClientReader.h>
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#include <android/hardware/graphics/composer3/ComposerClientWriter.h>
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#include <aidl/android/hardware/graphics/composer3/Composition.h>
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#include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
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namespace android::Hwc2 {
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using aidl::android::hardware::graphics::common::DisplayDecorationSupport;
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using aidl::android::hardware::graphics::composer3::ComposerClientReader;
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using aidl::android::hardware::graphics::composer3::ComposerClientWriter;
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class AidlIComposerCallbackWrapper;
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// Composer is a wrapper to IComposer, a proxy to server-side composer.
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class AidlComposer final : public Hwc2::Composer {
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public:
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static bool isDeclared(const std::string& serviceName);
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explicit AidlComposer(const std::string& serviceName);
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~AidlComposer() override;
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bool isSupported(OptionalFeature) const;
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std::vector<aidl::android::hardware::graphics::composer3::Capability> getCapabilities()
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override;
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std::string dumpDebugInfo() override;
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void registerCallback(HWC2::ComposerCallback& callback) override;
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// Reset all pending commands in the command buffer. Useful if you want to
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// skip a frame but have already queued some commands.
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void resetCommands() override;
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// Explicitly flush all pending commands in the command buffer.
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Error executeCommands() override;
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uint32_t getMaxVirtualDisplayCount() override;
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Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
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Display* outDisplay) override;
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Error destroyVirtualDisplay(Display display) override;
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Error acceptDisplayChanges(Display display) override;
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Error createLayer(Display display, Layer* outLayer) override;
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Error destroyLayer(Display display, Layer layer) override;
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Error getActiveConfig(Display display, Config* outConfig) override;
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Error getChangedCompositionTypes(
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Display display, std::vector<Layer>* outLayers,
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std::vector<aidl::android::hardware::graphics::composer3::Composition>* outTypes)
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override;
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Error getColorModes(Display display, std::vector<ColorMode>* outModes) override;
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Error getDisplayAttribute(Display display, Config config, IComposerClient::Attribute attribute,
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int32_t* outValue) override;
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Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs);
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Error getDisplayName(Display display, std::string* outName) override;
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Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask,
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std::vector<Layer>* outLayers,
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std::vector<uint32_t>* outLayerRequestMasks) override;
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Error getDozeSupport(Display display, bool* outSupport) override;
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Error hasDisplayIdleTimerCapability(Display display, bool* outSupport) override;
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Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, float* outMaxLuminance,
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float* outMaxAverageLuminance, float* outMinLuminance) override;
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Error getReleaseFences(Display display, std::vector<Layer>* outLayers,
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std::vector<int>* outReleaseFences) override;
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Error presentDisplay(Display display, int* outPresentFence) override;
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Error setActiveConfig(Display display, Config config) override;
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/*
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* The composer caches client targets internally. When target is nullptr,
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* the composer uses slot to look up the client target from its cache.
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* When target is not nullptr, the cache is updated with the new target.
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*/
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Error setClientTarget(Display display, uint32_t slot, const sp<GraphicBuffer>& target,
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int acquireFence, Dataspace dataspace,
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const std::vector<IComposerClient::Rect>& damage) override;
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Error setColorMode(Display display, ColorMode mode, RenderIntent renderIntent) override;
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Error setColorTransform(Display display, const float* matrix) override;
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Error setOutputBuffer(Display display, const native_handle_t* buffer,
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int releaseFence) override;
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Error setPowerMode(Display display, IComposerClient::PowerMode mode) override;
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Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) override;
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Error setClientTargetSlotCount(Display display) override;
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Error validateDisplay(Display display, nsecs_t expectedPresentTime, uint32_t* outNumTypes,
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uint32_t* outNumRequests) override;
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Error presentOrValidateDisplay(Display display, nsecs_t expectedPresentTime,
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uint32_t* outNumTypes, uint32_t* outNumRequests,
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int* outPresentFence, uint32_t* state) override;
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Error setCursorPosition(Display display, Layer layer, int32_t x, int32_t y) override;
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/* see setClientTarget for the purpose of slot */
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Error setLayerBuffer(Display display, Layer layer, uint32_t slot,
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const sp<GraphicBuffer>& buffer, int acquireFence) override;
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Error setLayerSurfaceDamage(Display display, Layer layer,
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const std::vector<IComposerClient::Rect>& damage) override;
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Error setLayerBlendMode(Display display, Layer layer, IComposerClient::BlendMode mode) override;
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Error setLayerColor(Display display, Layer layer, const Color& color) override;
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Error setLayerCompositionType(
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Display display, Layer layer,
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aidl::android::hardware::graphics::composer3::Composition type) override;
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Error setLayerDataspace(Display display, Layer layer, Dataspace dataspace) override;
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Error setLayerDisplayFrame(Display display, Layer layer,
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const IComposerClient::Rect& frame) override;
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Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override;
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Error setLayerSidebandStream(Display display, Layer layer,
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const native_handle_t* stream) override;
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Error setLayerSourceCrop(Display display, Layer layer,
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const IComposerClient::FRect& crop) override;
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Error setLayerTransform(Display display, Layer layer, Transform transform) override;
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Error setLayerVisibleRegion(Display display, Layer layer,
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const std::vector<IComposerClient::Rect>& visible) override;
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Error setLayerZOrder(Display display, Layer layer, uint32_t z) override;
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// Composer HAL 2.2
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Error setLayerPerFrameMetadata(
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Display display, Layer layer,
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const std::vector<IComposerClient::PerFrameMetadata>& perFrameMetadatas) override;
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std::vector<IComposerClient::PerFrameMetadataKey> getPerFrameMetadataKeys(
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Display display) override;
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Error getRenderIntents(Display display, ColorMode colorMode,
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std::vector<RenderIntent>* outRenderIntents) override;
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Error getDataspaceSaturationMatrix(Dataspace dataspace, mat4* outMatrix) override;
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// Composer HAL 2.3
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Error getDisplayIdentificationData(Display display, uint8_t* outPort,
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std::vector<uint8_t>* outData) override;
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Error setLayerColorTransform(Display display, Layer layer, const float* matrix) override;
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Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
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Dataspace* outDataspace,
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uint8_t* outComponentMask) override;
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Error setDisplayContentSamplingEnabled(Display display, bool enabled, uint8_t componentMask,
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uint64_t maxFrames) override;
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Error getDisplayedContentSample(Display display, uint64_t maxFrames, uint64_t timestamp,
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DisplayedFrameStats* outStats) override;
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Error setLayerPerFrameMetadataBlobs(
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Display display, Layer layer,
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const std::vector<IComposerClient::PerFrameMetadataBlob>& metadata) override;
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Error setDisplayBrightness(Display display, float brightness, float brightnessNits,
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const DisplayBrightnessOptions& options) override;
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// Composer HAL 2.4
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Error getDisplayCapabilities(
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Display display,
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std::vector<aidl::android::hardware::graphics::composer3::DisplayCapability>*
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outCapabilities) override;
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V2_4::Error getDisplayConnectionType(Display display,
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IComposerClient::DisplayConnectionType* outType) override;
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V2_4::Error getDisplayVsyncPeriod(Display display, VsyncPeriodNanos* outVsyncPeriod) override;
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V2_4::Error setActiveConfigWithConstraints(
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Display display, Config config,
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const IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
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VsyncPeriodChangeTimeline* outTimeline) override;
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V2_4::Error setAutoLowLatencyMode(Display displayId, bool on) override;
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V2_4::Error getSupportedContentTypes(
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Display displayId,
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std::vector<IComposerClient::ContentType>* outSupportedContentTypes) override;
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V2_4::Error setContentType(Display displayId,
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IComposerClient::ContentType contentType) override;
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V2_4::Error setLayerGenericMetadata(Display display, Layer layer, const std::string& key,
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bool mandatory, const std::vector<uint8_t>& value) override;
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V2_4::Error getLayerGenericMetadataKeys(
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std::vector<IComposerClient::LayerGenericMetadataKey>* outKeys) override;
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Error getClientTargetProperty(
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Display display,
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aidl::android::hardware::graphics::composer3::ClientTargetPropertyWithBrightness*
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outClientTargetProperty) override;
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// AIDL Composer HAL
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Error setLayerBrightness(Display display, Layer layer, float brightness) override;
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Error setLayerBlockingRegion(Display display, Layer layer,
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const std::vector<IComposerClient::Rect>& blocking) override;
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Error setBootDisplayConfig(Display displayId, Config) override;
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Error clearBootDisplayConfig(Display displayId) override;
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Error getPreferredBootDisplayConfig(Display displayId, Config*) override;
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Error getDisplayDecorationSupport(Display display,
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std::optional<DisplayDecorationSupport>* support) override;
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Error setIdleTimerEnabled(Display displayId, std::chrono::milliseconds timeout) override;
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Error getPhysicalDisplayOrientation(Display displayId,
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AidlTransform* outDisplayOrientation) override;
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private:
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// Many public functions above simply write a command into the command
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// queue to batch the calls. validateDisplay and presentDisplay will call
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// this function to execute the command queue.
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Error execute();
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// returns the default instance name for the given service
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static std::string instance(const std::string& serviceName);
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// 64KiB minus a small space for metadata such as read/write pointers
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static constexpr size_t kWriterInitialSize = 64 * 1024 / sizeof(uint32_t) - 16;
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// Max number of buffers that may be cached for a given layer
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// We obtain this number by:
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// 1. Tightly coupling this cache to the max size of BufferQueue
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// 2. Adding an additional slot for the layer caching feature in SurfaceFlinger (see: Planner.h)
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static const constexpr uint32_t kMaxLayerBufferCount = BufferQueue::NUM_BUFFER_SLOTS + 1;
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ComposerClientWriter mWriter;
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ComposerClientReader mReader;
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// Aidl interface
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using AidlIComposer = aidl::android::hardware::graphics::composer3::IComposer;
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using AidlIComposerClient = aidl::android::hardware::graphics::composer3::IComposerClient;
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std::shared_ptr<AidlIComposer> mAidlComposer;
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std::shared_ptr<AidlIComposerClient> mAidlComposerClient;
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std::shared_ptr<AidlIComposerCallbackWrapper> mAidlComposerCallback;
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};
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} // namespace android::Hwc2
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