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Diffstat (limited to 'drm/DrmDisplayPipeline.h')
-rw-r--r-- | drm/DrmDisplayPipeline.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drm/DrmDisplayPipeline.h b/drm/DrmDisplayPipeline.h new file mode 100644 index 0000000..cb5b9e2 --- /dev/null +++ b/drm/DrmDisplayPipeline.h @@ -0,0 +1,86 @@ +/* + * 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>; + + 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::vector<std::shared_ptr<BindingOwner<DrmPlane>>> overlay_planes; +}; + +} // namespace android + +#endif |