73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* Copyright 2022 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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#ifndef ANDROID_HWC_CLIENTCOMPOSER_H
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#define ANDROID_HWC_CLIENTCOMPOSER_H
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#include <unordered_map>
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#include "Common.h"
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#include "Composer.h"
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#include "Display.h"
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#include "DrmPresenter.h"
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#include "Layer.h"
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namespace android {
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class ClientComposer : public Composer {
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public:
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ClientComposer(DrmPresenter* drmPresenter);
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ClientComposer(const ClientComposer&) = delete;
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ClientComposer& operator=(const ClientComposer&) = delete;
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ClientComposer(ClientComposer&&) = delete;
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ClientComposer& operator=(ClientComposer&&) = delete;
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HWC2::Error init() override;
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HWC2::Error onDisplayCreate(Display*) override;
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HWC2::Error onDisplayDestroy(Display*) override;
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HWC2::Error onDisplayClientTargetSet(Display*) override;
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HWC2::Error onActiveConfigChange(Display*) override;
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// Determines if this composer can compose the given layers on the given
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// display and requests changes for layers that can't not be composed.
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HWC2::Error validateDisplay(
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Display* display, std::unordered_map<hwc2_layer_t, HWC2::Composition>*
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outLayerCompositionChanges) override;
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// Performs the actual composition of layers and presents the composed result
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// to the display.
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std::tuple<HWC2::Error, base::unique_fd> presentDisplay(
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Display* display) override;
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private:
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struct DisplayInfo {
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std::unique_ptr<DrmBuffer> clientTargetDrmBuffer;
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};
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std::unordered_map<int64_t, DisplayInfo> mDisplayInfos;
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DrmPresenter* mDrmPresenter = nullptr;
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};
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} // namespace android
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#endif |