91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/*
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* Copyright (C) 2022 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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#ifndef ANDROID_DRMDISPLAYPIPELINE_H_
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#define ANDROID_DRMDISPLAYPIPELINE_H_
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#include <memory>
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#include <vector>
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namespace android {
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class DrmConnector;
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class DrmDevice;
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class DrmPlane;
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class DrmCrtc;
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class DrmEncoder;
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class DrmAtomicStateManager;
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struct DrmDisplayPipeline;
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template <class O>
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class BindingOwner;
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template <class O>
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class PipelineBindable {
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friend class BindingOwner<O>;
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public:
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auto *GetPipeline() {
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return bound_pipeline_;
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}
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auto BindPipeline(DrmDisplayPipeline *pipeline,
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bool return_object_if_bound = false)
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-> std::shared_ptr<BindingOwner<O>>;
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private:
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DrmDisplayPipeline *bound_pipeline_;
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std::weak_ptr<BindingOwner<O>> owner_object_;
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};
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template <class B>
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class BindingOwner {
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public:
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explicit BindingOwner(B *pb) : bindable_(pb){};
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~BindingOwner() {
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bindable_->bound_pipeline_ = nullptr;
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}
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B *Get() {
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return bindable_;
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}
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private:
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B *const bindable_;
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};
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struct DrmDisplayPipeline {
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static auto CreatePipeline(DrmConnector &connector)
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-> std::unique_ptr<DrmDisplayPipeline>;
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auto GetUsablePlanes()
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-> std::vector<std::shared_ptr<BindingOwner<DrmPlane>>>;
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DrmDevice *device;
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std::shared_ptr<BindingOwner<DrmConnector>> connector;
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std::shared_ptr<BindingOwner<DrmEncoder>> encoder;
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std::shared_ptr<BindingOwner<DrmCrtc>> crtc;
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std::shared_ptr<BindingOwner<DrmPlane>> primary_plane;
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std::unique_ptr<DrmAtomicStateManager> atomic_state_manager;
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};
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} // namespace android
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#endif
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