/* * Copyright (C) 2018 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 RESOURCEMANAGER_H #define RESOURCEMANAGER_H #include #include "DrmDevice.h" #include "DrmDisplayPipeline.h" #include "DrmFbImporter.h" #include "UEventListener.h" namespace android { class PipelineToFrontendBindingInterface { public: virtual ~PipelineToFrontendBindingInterface() = default; virtual bool BindDisplay(DrmDisplayPipeline *); virtual bool UnbindDisplay(DrmDisplayPipeline *); virtual void FinalizeDisplayBinding(); }; class ResourceManager { public: explicit ResourceManager( PipelineToFrontendBindingInterface *p2f_bind_interface); ResourceManager(const ResourceManager &) = delete; ResourceManager &operator=(const ResourceManager &) = delete; ResourceManager(const ResourceManager &&) = delete; ResourceManager &&operator=(const ResourceManager &&) = delete; ~ResourceManager(); void Init(); void DeInit(); bool ForcedScalingWithGpu() const { return scale_with_gpu_; } auto &GetMainLock() { return main_lock_; } static auto GetTimeMonotonicNs() -> int64_t; private: auto AddDrmDevice(std::string const &path) -> int; auto GetOrderedConnectors() -> std::vector; void UpdateFrontendDisplays(); void DetachAllFrontendDisplays(); std::vector> drms_; bool scale_with_gpu_{}; UEventListener uevent_listener_; std::mutex main_lock_; std::map> attached_pipelines_; PipelineToFrontendBindingInterface *const frontend_interface_; bool initialized_{}; }; } // namespace android #endif // RESOURCEMANAGER_H