120 lines
4.9 KiB
C
120 lines
4.9 KiB
C
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/*
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* Copyright 2019 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 <memory>
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#include <compositionengine/Display.h>
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#include <compositionengine/DisplayColorProfile.h>
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#include <compositionengine/DisplayCreationArgs.h>
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#include <compositionengine/RenderSurface.h>
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#include <compositionengine/impl/GpuCompositionResult.h>
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#include <compositionengine/impl/Output.h>
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#include <ui/PixelFormat.h>
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#include <ui/Size.h>
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#include <ui/DisplayIdentification.h>
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#include "DisplayHardware/HWComposer.h"
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#include "DisplayHardware/PowerAdvisor.h"
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namespace android::compositionengine {
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class CompositionEngine;
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namespace impl {
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// The implementation class contains the common implementation, but does not
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// actually contain the final display state.
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class Display : public compositionengine::impl::Output, public virtual compositionengine::Display {
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public:
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virtual ~Display();
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// compositionengine::Output overrides
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std::optional<DisplayId> getDisplayId() const override;
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bool isValid() const override;
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void dump(std::string&) const override;
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using compositionengine::impl::Output::setReleasedLayers;
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void setReleasedLayers(const CompositionRefreshArgs&) override;
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void setColorTransform(const CompositionRefreshArgs&) override;
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void setColorProfile(const ColorProfile&) override;
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void beginFrame() override;
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using DeviceRequestedChanges = android::HWComposer::DeviceRequestedChanges;
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bool chooseCompositionStrategy(
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std::optional<android::HWComposer::DeviceRequestedChanges>*) override;
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void applyCompositionStrategy(const std::optional<DeviceRequestedChanges>&) override;
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bool getSkipColorTransform() const override;
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compositionengine::Output::FrameFences presentAndGetFrameFences() override;
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void setExpensiveRenderingExpected(bool) override;
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void finishFrame(const CompositionRefreshArgs&, GpuCompositionResult&&) override;
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// compositionengine::Display overrides
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DisplayId getId() const override;
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bool isSecure() const override;
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bool isVirtual() const override;
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void disconnect() override;
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void createDisplayColorProfile(
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const compositionengine::DisplayColorProfileCreationArgs&) override;
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void createRenderSurface(const compositionengine::RenderSurfaceCreationArgs&) override;
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void createClientCompositionCache(uint32_t cacheSize) override;
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void applyDisplayBrightness(const bool applyImmediately) override;
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// Internal helpers used by chooseCompositionStrategy()
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using ChangedTypes = android::HWComposer::DeviceRequestedChanges::ChangedTypes;
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using DisplayRequests = android::HWComposer::DeviceRequestedChanges::DisplayRequests;
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using LayerRequests = android::HWComposer::DeviceRequestedChanges::LayerRequests;
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using ClientTargetProperty = android::HWComposer::DeviceRequestedChanges::ClientTargetProperty;
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virtual bool allLayersRequireClientComposition() const;
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virtual void applyChangedTypesToLayers(const ChangedTypes&);
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virtual void applyDisplayRequests(const DisplayRequests&);
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virtual void applyLayerRequestsToLayers(const LayerRequests&);
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virtual void applyClientTargetRequests(const ClientTargetProperty&);
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// Internal
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virtual void setConfiguration(const compositionengine::DisplayCreationArgs&);
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std::unique_ptr<compositionengine::OutputLayer> createOutputLayer(const sp<LayerFE>&) const;
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private:
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bool isPowerHintSessionEnabled() override;
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void setHintSessionGpuFence(std::unique_ptr<FenceTime>&& gpuFence) override;
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DisplayId mId;
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bool mIsDisconnected = false;
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Hwc2::PowerAdvisor* mPowerAdvisor = nullptr;
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};
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// This template factory function standardizes the implementation details of the
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// final class using the types actually required by the implementation. This is
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// not possible to do in the base class as those types may not even be visible
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// to the base code.
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template <typename BaseDisplay, typename CompositionEngine>
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std::shared_ptr<BaseDisplay> createDisplayTemplated(
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const CompositionEngine& compositionEngine,
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const compositionengine::DisplayCreationArgs& args) {
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auto display = createOutputTemplated<BaseDisplay>(compositionEngine);
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display->setConfiguration(args);
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return display;
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}
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std::shared_ptr<Display> createDisplay(const compositionengine::CompositionEngine&,
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const compositionengine::DisplayCreationArgs&);
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} // namespace impl
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} // namespace android::compositionengine
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