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/*
* 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.
*/
#pragma once
#include <cstring>
#include <mutex>
#include "DrmDevice.h"
#include "DrmDisplayPipeline.h"
#include "DrmFbImporter.h"
#include "UEventListener.h"
namespace android {
enum class CtmHandling {
kDrmOrGpu, /* Handled by DRM is possible, otherwise by GPU */
kDrmOrIgnore, /* Handled by DRM is possible, otherwise displayed as is */
};
class PipelineToFrontendBindingInterface {
public:
virtual ~PipelineToFrontendBindingInterface() = default;
virtual bool BindDisplay(std::shared_ptr<DrmDisplayPipeline>);
virtual bool UnbindDisplay(std::shared_ptr<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() = default;
void Init();
void DeInit();
bool ForcedScalingWithGpu() const {
return scale_with_gpu_;
}
auto &GetCtmHandling() const {
return ctm_handling_;
}
auto &GetMainLock() {
return main_lock_;
}
static auto GetTimeMonotonicNs() -> int64_t;
private:
auto GetOrderedConnectors() -> std::vector<DrmConnector *>;
void UpdateFrontendDisplays();
void DetachAllFrontendDisplays();
std::vector<std::unique_ptr<DrmDevice>> drms_;
// Android properties:
bool scale_with_gpu_{};
CtmHandling ctm_handling_{};
std::shared_ptr<UEventListener> uevent_listener_;
std::recursive_mutex main_lock_;
std::map<DrmConnector *, std::shared_ptr<DrmDisplayPipeline>>
attached_pipelines_;
PipelineToFrontendBindingInterface *const frontend_interface_;
bool initialized_{};
};
} // namespace android
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