81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/*
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* Copyright 2018 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 <TimeStats/TimeStats.h>
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#include <utils/Timers.h>
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#include <memory>
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namespace android {
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class HWComposer;
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namespace renderengine {
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class RenderEngine;
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} // namespace renderengine
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namespace compositionengine {
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class Display;
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struct CompositionRefreshArgs;
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struct DisplayCreationArgs;
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struct LayerCreationArgs;
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struct LayerFECompositionState;
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/**
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* Encapsulates all the interfaces and implementation details for performing
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* display output composition.
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*/
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class CompositionEngine {
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public:
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virtual ~CompositionEngine();
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// Create a composition Display
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virtual std::shared_ptr<Display> createDisplay(const DisplayCreationArgs&) = 0;
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virtual std::unique_ptr<compositionengine::LayerFECompositionState>
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createLayerFECompositionState() = 0;
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virtual HWComposer& getHwComposer() const = 0;
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virtual void setHwComposer(std::unique_ptr<HWComposer>) = 0;
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virtual renderengine::RenderEngine& getRenderEngine() const = 0;
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virtual void setRenderEngine(std::unique_ptr<renderengine::RenderEngine>) = 0;
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virtual TimeStats& getTimeStats() const = 0;
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virtual void setTimeStats(const std::shared_ptr<TimeStats>&) = 0;
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virtual bool needsAnotherUpdate() const = 0;
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virtual nsecs_t getLastFrameRefreshTimestamp() const = 0;
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// Presents the indicated outputs
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virtual void present(CompositionRefreshArgs&) = 0;
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// Updates the cursor position for the indicated outputs.
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virtual void updateCursorAsync(CompositionRefreshArgs&) = 0;
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// TODO(b/121291683): These will become private/internal
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virtual void preComposition(CompositionRefreshArgs&) = 0;
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// Debugging
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virtual void dump(std::string&) const = 0;
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};
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} // namespace compositionengine
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} // namespace android
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