112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
namespace android::drm_hwcomposer {
|
|
|
|
class CompositionPlanner;
|
|
class DrmAtomicStateManager;
|
|
class DrmConnector;
|
|
class DrmCrtc;
|
|
class DrmDevice;
|
|
class DrmEncoder;
|
|
class DrmPlane;
|
|
|
|
struct DrmDisplayPipeline;
|
|
|
|
template <class O>
|
|
class BindingOwner;
|
|
|
|
template <class O>
|
|
class PipelineBindable {
|
|
friend class BindingOwner<O>;
|
|
|
|
public:
|
|
auto *GetPipeline() {
|
|
return bound_pipeline_;
|
|
}
|
|
|
|
// Header implementation required for template instantiation.
|
|
auto BindPipeline(const DrmDisplayPipeline *pipeline,
|
|
bool return_object_if_bound = false)
|
|
-> std::shared_ptr<BindingOwner<O>> {
|
|
auto owner_object = owner_object_.lock();
|
|
if (owner_object) {
|
|
if (bound_pipeline_ == pipeline && return_object_if_bound) {
|
|
return owner_object;
|
|
}
|
|
|
|
return {};
|
|
}
|
|
owner_object = std::make_shared<BindingOwner<O>>(static_cast<O *>(this));
|
|
|
|
owner_object_ = owner_object;
|
|
bound_pipeline_ = pipeline;
|
|
return owner_object;
|
|
}
|
|
|
|
private:
|
|
const 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_;
|
|
};
|
|
|
|
using UsablePlanes = std::pair<
|
|
std::vector<std::shared_ptr<BindingOwner<DrmPlane>>>,
|
|
std::shared_ptr<BindingOwner<DrmPlane>>>;
|
|
|
|
struct DrmDisplayPipeline {
|
|
static auto CreatePipeline(DrmConnector &connector)
|
|
-> std::unique_ptr<DrmDisplayPipeline>;
|
|
|
|
auto GetUsablePlanes() const -> UsablePlanes;
|
|
|
|
DrmConnector *FindWritebackConnectorForPipeline() const;
|
|
|
|
~DrmDisplayPipeline();
|
|
|
|
DrmDevice *device;
|
|
|
|
std::shared_ptr<BindingOwner<DrmConnector>> connector;
|
|
std::shared_ptr<BindingOwner<DrmConnector>> writeback_connector;
|
|
std::shared_ptr<BindingOwner<DrmEncoder>> encoder;
|
|
std::shared_ptr<BindingOwner<DrmCrtc>> crtc;
|
|
std::shared_ptr<BindingOwner<DrmPlane>> primary_plane;
|
|
|
|
std::shared_ptr<DrmAtomicStateManager> atomic_state_manager;
|
|
std::unique_ptr<CompositionPlanner> backend;
|
|
};
|
|
|
|
} // namespace android::drm_hwcomposer
|