| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWC_CLIENTFRAMECOMPOSER_H |
| #define ANDROID_HWC_CLIENTFRAMECOMPOSER_H |
| |
| #include "Common.h" |
| #include "Display.h" |
| #include "DrmClient.h" |
| #include "FrameComposer.h" |
| #include "Gralloc.h" |
| #include "Layer.h" |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| // A frame composer which always fallsback to client composition |
| // (a.k.a make SurfaceFlinger do the composition). |
| class ClientFrameComposer : public FrameComposer { |
| public: |
| ClientFrameComposer() = default; |
| |
| ClientFrameComposer(const ClientFrameComposer&) = delete; |
| ClientFrameComposer& operator=(const ClientFrameComposer&) = delete; |
| |
| ClientFrameComposer(ClientFrameComposer&&) = delete; |
| ClientFrameComposer& operator=(ClientFrameComposer&&) = delete; |
| |
| HWC3::Error init() override; |
| |
| HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) override; |
| |
| HWC3::Error unregisterOnHotplugCallback() override; |
| |
| HWC3::Error onDisplayCreate(Display* display) override; |
| |
| HWC3::Error onDisplayDestroy(Display* display) override; |
| |
| HWC3::Error onDisplayClientTargetSet(Display* display) override; |
| |
| HWC3::Error onActiveConfigChange(Display* display) override; |
| |
| // Determines if this composer can compose the given layers on the given |
| // display and requests changes for layers that can't not be composed. |
| HWC3::Error validateDisplay(Display* display, |
| DisplayChanges* outChanges) override; |
| |
| // Performs the actual composition of layers and presents the composed result |
| // to the display. |
| HWC3::Error presentDisplay( |
| Display* display, ::android::base::unique_fd* outDisplayFence, |
| std::unordered_map<int64_t, ::android::base::unique_fd>* outLayerFences) |
| override; |
| |
| const DrmClient* getDrmPresenter() const override { |
| return &mDrmClient; |
| } |
| |
| private: |
| struct DisplayInfo { |
| std::shared_ptr<DrmBuffer> clientTargetDrmBuffer; |
| }; |
| |
| std::unordered_map<int64_t, DisplayInfo> mDisplayInfos; |
| |
| DrmClient mDrmClient; |
| }; |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |
| |
| #endif |