98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* Copyright (C) 2018 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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#pragma once
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#include <cstring>
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#include <map>
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#include <mutex>
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#include <set>
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namespace android::drm_hwcomposer {
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enum class CtmHandling;
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class DrmConnector;
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class DrmDevice;
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struct DrmDisplayPipeline;
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class UEventListener;
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class PipelineToFrontendBindingInterface {
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public:
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virtual ~PipelineToFrontendBindingInterface() = default;
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virtual bool BindDisplay(std::shared_ptr<DrmDisplayPipeline>) = 0;
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virtual bool UnbindDisplay(std::shared_ptr<DrmDisplayPipeline>) = 0;
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virtual void FinalizeDisplayBinding() = 0;
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virtual void NotifyDisplayLinkStatus(
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std::shared_ptr<DrmDisplayPipeline> pipeline) = 0;
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};
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class ResourceManager {
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public:
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explicit ResourceManager(
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PipelineToFrontendBindingInterface *p2f_bind_interface);
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ResourceManager(const ResourceManager &) = delete;
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ResourceManager &operator=(const ResourceManager &) = delete;
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ResourceManager(const ResourceManager &&) = delete;
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ResourceManager &&operator=(const ResourceManager &&) = delete;
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~ResourceManager();
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void Init();
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void DeInit();
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bool ForcedScalingWithGpu() const {
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return scale_with_gpu_;
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}
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auto &GetCtmHandling() const {
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return ctm_handling_;
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}
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auto &GetMainLock() {
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return main_lock_;
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}
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auto GetVirtualDisplayPipeline() -> std::shared_ptr<DrmDisplayPipeline>;
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auto GetWritebackConnectorsCount() -> uint32_t;
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auto GetInternalDisplayNames() -> const std::set<std::string>&;
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static auto GetTimeMonotonicNs() -> int64_t;
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private:
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auto GetOrderedConnectors() -> std::vector<DrmConnector *>;
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void UpdateFrontendDisplays();
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void DetachAllFrontendDisplays();
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std::vector<std::unique_ptr<DrmDevice>> drms_;
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std::set<std::string> displays_;
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// Android properties:
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bool scale_with_gpu_{};
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CtmHandling ctm_handling_{};
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std::shared_ptr<UEventListener> uevent_listener_;
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std::recursive_mutex main_lock_;
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std::map<DrmConnector *, std::shared_ptr<DrmDisplayPipeline>>
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attached_pipelines_;
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PipelineToFrontendBindingInterface *const frontend_interface_;
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bool initialized_{};
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};
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} // namespace android::drm_hwcomposer
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