| // Copyright 2019 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_D3D12_BACKENDD3D12_H_ |
| #define DAWNNATIVE_D3D12_BACKENDD3D12_H_ |
| |
| #include "dawn/native/BackendConnection.h" |
| |
| #include "dawn/native/d3d12/d3d12_platform.h" |
| |
| namespace dawn::native::d3d12 { |
| |
| class PlatformFunctions; |
| |
| class Backend : public BackendConnection { |
| public: |
| Backend(InstanceBase* instance); |
| |
| MaybeError Initialize(); |
| |
| ComPtr<IDXGIFactory4> GetFactory() const; |
| |
| MaybeError EnsureDxcLibrary(); |
| MaybeError EnsureDxcCompiler(); |
| MaybeError EnsureDxcValidator(); |
| ComPtr<IDxcLibrary> GetDxcLibrary() const; |
| ComPtr<IDxcCompiler> GetDxcCompiler() const; |
| ComPtr<IDxcValidator> GetDxcValidator() const; |
| |
| const PlatformFunctions* GetFunctions() const; |
| |
| std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters() override; |
| ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters( |
| const AdapterDiscoveryOptionsBase* optionsBase) override; |
| |
| private: |
| // Keep mFunctions as the first member so that in the destructor it is freed last. Otherwise |
| // the D3D12 DLLs are unloaded before we are done using them. |
| std::unique_ptr<PlatformFunctions> mFunctions; |
| ComPtr<IDXGIFactory4> mFactory; |
| ComPtr<IDxcLibrary> mDxcLibrary; |
| ComPtr<IDxcCompiler> mDxcCompiler; |
| ComPtr<IDxcValidator> mDxcValidator; |
| }; |
| |
| } // namespace dawn::native::d3d12 |
| |
| #endif // DAWNNATIVE_D3D12_BACKENDD3D12_H_ |