/* * 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_NOOPFRAMECOMPOSER_H #define ANDROID_HWC_NOOPFRAMECOMPOSER_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 { class NoOpFrameComposer : public FrameComposer { public: NoOpFrameComposer() = default; NoOpFrameComposer(const NoOpFrameComposer&) = delete; NoOpFrameComposer& operator=(const NoOpFrameComposer&) = delete; NoOpFrameComposer(NoOpFrameComposer&&) = delete; NoOpFrameComposer& operator=(NoOpFrameComposer&&) = delete; HWC3::Error init() override; HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) override; HWC3::Error unregisterOnHotplugCallback() override; HWC3::Error onDisplayCreate(Display*) override; HWC3::Error onDisplayDestroy(Display*) override; HWC3::Error onDisplayClientTargetSet(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* outLayerFences) override; HWC3::Error onActiveConfigChange(Display* /*display*/) override; }; } // namespace aidl::android::hardware::graphics::composer3::impl #endif