| // Copyright 2017 The Dawn Authors |
| // |
| // 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 DAWNNATIVE_TOBACKEND_H_ |
| #define DAWNNATIVE_TOBACKEND_H_ |
| |
| #include "dawn_native/Forward.h" |
| |
| namespace dawn_native { |
| |
| // ToBackendTraits implements the mapping from base type to member type of BackendTraits |
| template <typename T, typename BackendTraits> |
| struct ToBackendTraits; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<AdapterBase, BackendTraits> { |
| using BackendType = typename BackendTraits::AdapterType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<BindGroupBase, BackendTraits> { |
| using BackendType = typename BackendTraits::BindGroupType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<BindGroupLayoutBase, BackendTraits> { |
| using BackendType = typename BackendTraits::BindGroupLayoutType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<BufferBase, BackendTraits> { |
| using BackendType = typename BackendTraits::BufferType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<CommandBufferBase, BackendTraits> { |
| using BackendType = typename BackendTraits::CommandBufferType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<ComputePipelineBase, BackendTraits> { |
| using BackendType = typename BackendTraits::ComputePipelineType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<DeviceBase, BackendTraits> { |
| using BackendType = typename BackendTraits::DeviceType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<PipelineLayoutBase, BackendTraits> { |
| using BackendType = typename BackendTraits::PipelineLayoutType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<QuerySetBase, BackendTraits> { |
| using BackendType = typename BackendTraits::QuerySetType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<QueueBase, BackendTraits> { |
| using BackendType = typename BackendTraits::QueueType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<RenderPipelineBase, BackendTraits> { |
| using BackendType = typename BackendTraits::RenderPipelineType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<ResourceHeapBase, BackendTraits> { |
| using BackendType = typename BackendTraits::ResourceHeapType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<SamplerBase, BackendTraits> { |
| using BackendType = typename BackendTraits::SamplerType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<ShaderModuleBase, BackendTraits> { |
| using BackendType = typename BackendTraits::ShaderModuleType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<StagingBufferBase, BackendTraits> { |
| using BackendType = typename BackendTraits::StagingBufferType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<TextureBase, BackendTraits> { |
| using BackendType = typename BackendTraits::TextureType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<SwapChainBase, BackendTraits> { |
| using BackendType = typename BackendTraits::SwapChainType; |
| }; |
| |
| template <typename BackendTraits> |
| struct ToBackendTraits<TextureViewBase, BackendTraits> { |
| using BackendType = typename BackendTraits::TextureViewType; |
| }; |
| |
| // ToBackendBase implements conversion to the given BackendTraits |
| // To use it in a backend, use the following: |
| // template<typename T> |
| // auto ToBackend(T&& common) -> decltype(ToBackendBase<MyBackendTraits>(common)) { |
| // return ToBackendBase<MyBackendTraits>(common); |
| // } |
| |
| template <typename BackendTraits, typename T> |
| Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>& ToBackendBase(Ref<T>& common) { |
| return reinterpret_cast<Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>&>( |
| common); |
| } |
| |
| template <typename BackendTraits, typename T> |
| Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>&& ToBackendBase(Ref<T>&& common) { |
| return reinterpret_cast<Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>&&>( |
| common); |
| } |
| |
| template <typename BackendTraits, typename T> |
| const Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>& ToBackendBase( |
| const Ref<T>& common) { |
| return reinterpret_cast< |
| const Ref<typename ToBackendTraits<T, BackendTraits>::BackendType>&>(common); |
| } |
| |
| template <typename BackendTraits, typename T> |
| typename ToBackendTraits<T, BackendTraits>::BackendType* ToBackendBase(T* common) { |
| return reinterpret_cast<typename ToBackendTraits<T, BackendTraits>::BackendType*>(common); |
| } |
| |
| template <typename BackendTraits, typename T> |
| const typename ToBackendTraits<T, BackendTraits>::BackendType* ToBackendBase(const T* common) { |
| return reinterpret_cast<const typename ToBackendTraits<T, BackendTraits>::BackendType*>( |
| common); |
| } |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_TOBACKEND_H_ |