|  | // 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 SRC_DAWN_SAMPLES_SAMPLEUTILS_H_ | 
|  | #define SRC_DAWN_SAMPLES_SAMPLEUTILS_H_ | 
|  |  | 
|  | #include "dawn/webgpu_cpp.h" | 
|  |  | 
|  | bool InitSample(int argc, const char** argv); | 
|  | void DoFlush(); | 
|  | bool ShouldQuit(); | 
|  |  | 
|  | struct GLFWwindow; | 
|  | struct GLFWwindow* GetGLFWWindow(); | 
|  |  | 
|  | wgpu::Device CreateCppDawnDevice(); | 
|  | wgpu::TextureFormat GetPreferredSwapChainTextureFormat(); | 
|  | wgpu::SwapChain GetSwapChain(); | 
|  | wgpu::TextureView CreateDefaultDepthStencilView(const wgpu::Device& device); | 
|  | void ProcessEvents(); | 
|  |  | 
|  | #endif  // SRC_DAWN_SAMPLES_SAMPLEUTILS_H_ |