84 lines
2.6 KiB
C++
84 lines
2.6 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_CLIENTFRAMECOMPOSER_H
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#define ANDROID_HWC_CLIENTFRAMECOMPOSER_H
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#include "Common.h"
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#include "Display.h"
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#include "DrmPresenter.h"
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#include "FrameComposer.h"
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#include "Gralloc.h"
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#include "Layer.h"
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namespace aidl::android::hardware::graphics::composer3::impl {
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// A frame composer which always fallsback to client composition
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// (a.k.a make SurfaceFlinger do the composition).
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class ClientFrameComposer : public FrameComposer {
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public:
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ClientFrameComposer() = default;
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ClientFrameComposer(const ClientFrameComposer&) = delete;
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ClientFrameComposer& operator=(const ClientFrameComposer&) = delete;
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ClientFrameComposer(ClientFrameComposer&&) = delete;
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ClientFrameComposer& operator=(ClientFrameComposer&&) = delete;
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HWC3::Error init() override;
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HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) override;
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HWC3::Error unregisterOnHotplugCallback() override;
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HWC3::Error onDisplayCreate(Display* display) override;
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HWC3::Error onDisplayDestroy(Display* display) override;
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HWC3::Error onDisplayClientTargetSet(Display* display) override;
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HWC3::Error onActiveConfigChange(Display* 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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HWC3::Error validateDisplay(Display* display,
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DisplayChanges* outChanges) 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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HWC3::Error presentDisplay(
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Display* display, ::android::base::unique_fd* outDisplayFence,
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std::unordered_map<int64_t, ::android::base::unique_fd>* outLayerFences)
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override;
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const DrmPresenter* getDrmPresenter() const override {
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return &mDrmPresenter;
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}
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private:
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struct DisplayInfo {
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std::shared_ptr<DrmBuffer> clientTargetDrmBuffer;
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};
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std::unordered_map<int64_t, DisplayInfo> mDisplayInfos;
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DrmPresenter mDrmPresenter;
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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#endif
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