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/*
* Copyright (C) 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_DRMDISPLAYPIPELINE_H_
#define ANDROID_DRMDISPLAYPIPELINE_H_
#include <memory>
#include <vector>
namespace android {
class DrmConnector;
class DrmDevice;
class DrmPlane;
class DrmCrtc;
class DrmEncoder;
class DrmDisplayCompositor;
struct DrmDisplayPipeline;
template <class O>
class BindingOwner;
template <class O>
class PipelineBindable {
friend class BindingOwner<O>;
public:
auto *GetPipeline() {
return bound_pipeline_;
}
auto BindPipeline(DrmDisplayPipeline *pipeline,
bool return_object_if_bound = false)
-> std::shared_ptr<BindingOwner<O>>;
private:
DrmDisplayPipeline *bound_pipeline_;
std::weak_ptr<BindingOwner<O>> owner_object_;
};
template <class B>
class BindingOwner {
public:
explicit BindingOwner(B *pb) : bindable_(pb){};
~BindingOwner() {
bindable_->bound_pipeline_ = nullptr;
}
B *Get() {
return bindable_;
}
private:
B *const bindable_;
};
struct DrmDisplayPipeline {
static auto CreatePipeline(DrmConnector &connector)
-> std::unique_ptr<DrmDisplayPipeline>;
auto GetUsablePlanes()
-> std::vector<std::shared_ptr<BindingOwner<DrmPlane>>>;
DrmDevice *device;
std::shared_ptr<BindingOwner<DrmConnector>> connector;
std::shared_ptr<BindingOwner<DrmEncoder>> encoder;
std::shared_ptr<BindingOwner<DrmCrtc>> crtc;
std::shared_ptr<BindingOwner<DrmPlane>> primary_plane;
std::unique_ptr<DrmDisplayCompositor> compositor;
};
} // namespace android
#endif
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