text: // 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.
  
  #include <dawn/dawncpp.h>
  #include <dawn/dawn_wsi.h>
  
  bool InitSample(int argc, const char** argv);
  void DoFlush();
  bool ShouldQuit();
  
  struct GLFWwindow;
  struct GLFWwindow* GetGLFWWindow();
  
  dawn::Device CreateCppDawnDevice();
  uint64_t GetSwapChainImplementation();
  dawn::TextureFormat GetPreferredSwapChainTextureFormat();
  dawn::SwapChain GetSwapChain(const dawn::Device& device);
  dawn::TextureView CreateDefaultDepthStencilView(const dawn::Device& device);
  