|  | // Copyright 2021 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 DAWN_NODE_BINDING_GPU_H_ | 
|  | #define DAWN_NODE_BINDING_GPU_H_ | 
|  |  | 
|  | #include "dawn/webgpu_cpp.h" | 
|  | #include "dawn_native/DawnNative.h" | 
|  | #include "napi.h" | 
|  | #include "src/dawn_node/binding/Flags.h" | 
|  | #include "src/dawn_node/interop/WebGPU.h" | 
|  |  | 
|  | namespace wgpu::binding { | 
|  | // GPU is an implementation of interop::GPU that wraps a dawn::native::Instance. | 
|  | class GPU final : public interop::GPU { | 
|  | public: | 
|  | GPU(Flags flags); | 
|  |  | 
|  | // interop::GPU interface compliance | 
|  | interop::Promise<std::optional<interop::Interface<interop::GPUAdapter>>> requestAdapter( | 
|  | Napi::Env env, | 
|  | interop::GPURequestAdapterOptions options) override; | 
|  |  | 
|  | private: | 
|  | const Flags flags_; | 
|  | dawn::native::Instance instance_; | 
|  | }; | 
|  |  | 
|  | }  // namespace wgpu::binding | 
|  |  | 
|  | #endif  // DAWN_NODE_BINDING_GPU_H_ |