| // Copyright 2018 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 SRC_DAWN_NATIVE_BACKENDCONNECTION_H_ |
| #define SRC_DAWN_NATIVE_BACKENDCONNECTION_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "dawn/native/Adapter.h" |
| #include "dawn/native/DawnNative.h" |
| #include "dawn/native/Toggles.h" |
| |
| namespace dawn::native { |
| |
| // An common interface for all backends. Mostly used to create adapters for a particular |
| // backend. |
| class BackendConnection { |
| public: |
| BackendConnection(InstanceBase* instance, wgpu::BackendType type); |
| virtual ~BackendConnection() = default; |
| |
| wgpu::BackendType GetType() const; |
| InstanceBase* GetInstance() const; |
| |
| // Returns all the adapters for the system that can be created by the backend, without extra |
| // options (such as debug adapters, custom driver libraries, etc.) |
| virtual std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters( |
| const TogglesState& adapterToggles) = 0; |
| |
| // Returns new adapters created with the backend-specific options. |
| virtual ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters( |
| const AdapterDiscoveryOptionsBase* options, |
| const TogglesState& adapterToggles); |
| |
| private: |
| InstanceBase* mInstance = nullptr; |
| wgpu::BackendType mType; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_BACKENDCONNECTION_H_ |