81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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* Copyright (C) 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_COMPOSER_H
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#define ANDROID_HWC_COMPOSER_H
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#include <android-base/unique_fd.h>
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#include <functional>
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#include <tuple>
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#include <unordered_map>
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#include <vector>
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#include "Common.h"
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#include "DisplayChanges.h"
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#include "DrmPresenter.h"
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namespace aidl::android::hardware::graphics::composer3::impl {
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class Display;
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class FrameComposer {
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public:
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virtual ~FrameComposer() {}
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virtual HWC3::Error init() = 0;
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using HotplugCallback = std::function<void(bool /*connected*/, //
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uint32_t /*id*/, //
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uint32_t /*width*/, //
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uint32_t /*height*/, //
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uint32_t /*dpiX*/, //
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uint32_t /*dpiY*/, //
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uint32_t /*refreshRate*/)>;
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virtual HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) = 0;
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virtual HWC3::Error unregisterOnHotplugCallback() = 0;
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virtual HWC3::Error onDisplayCreate(Display* display) = 0;
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virtual HWC3::Error onDisplayDestroy(Display* display) = 0;
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virtual HWC3::Error onDisplayClientTargetSet(Display* display) = 0;
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// Determines if this composer can compose the given layers and requests
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// changes for layers that can't not be composed.
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virtual HWC3::Error validateDisplay(Display* display,
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DisplayChanges* outChanges) = 0;
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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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virtual 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>*
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outLayerFences) = 0;
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virtual HWC3::Error onActiveConfigChange(Display* display) = 0;
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virtual const DrmPresenter* getDrmPresenter() const {
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return nullptr;
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}
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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#endif
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