|  | // 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 UTILS_WIREHELPER_H_ | 
|  | #define UTILS_WIREHELPER_H_ | 
|  |  | 
|  | #include "dawn/webgpu_cpp.h" | 
|  |  | 
|  | #include <cstdint> | 
|  | #include <memory> | 
|  |  | 
|  | namespace utils { | 
|  |  | 
|  | class WireHelper { | 
|  | public: | 
|  | virtual ~WireHelper(); | 
|  |  | 
|  | // Registers the device on the wire, if present. | 
|  | // Returns a pair of the client device and backend device. | 
|  | // The function should take ownership of |backendDevice|. | 
|  | virtual std::pair<wgpu::Device, WGPUDevice> RegisterDevice(WGPUDevice backendDevice) = 0; | 
|  |  | 
|  | virtual void BeginWireTrace(const char* name) = 0; | 
|  |  | 
|  | virtual bool FlushClient() = 0; | 
|  | virtual bool FlushServer() = 0; | 
|  | }; | 
|  |  | 
|  | std::unique_ptr<WireHelper> CreateWireHelper(bool useWire, const char* wireTraceDir = nullptr); | 
|  |  | 
|  | }  // namespace utils | 
|  |  | 
|  | #endif  // UTILS_WIREHELPER_H_ |