cmake/checks/directx.cpp

   1 #include <windows.h>
   2
   3 #include <d3d11.h>
   4 #pragma comment (lib, "d3d11.lib")
   5
   6 HINSTANCE g_hInst = NULL;
   7 D3D_DRIVER_TYPE g_driverType = D3D_DRIVER_TYPE_NULL;
   8 D3D_FEATURE_LEVEL g_featureLevel = D3D_FEATURE_LEVEL_11_0;
   9 ID3D11Device* g_pd3dDevice = NULL;
  10 ID3D11DeviceContext* g_pImmediateContext = NULL;
  11 IDXGISwapChain* g_pSwapChain = NULL;
  12
  13 static HRESULT InitDevice()
  14 {
  15     HRESULT hr = S_OK;
  16
  17     UINT width = 640;
  18     UINT height = 480;
  19
  20     UINT createDeviceFlags = 0;
  21
  22     D3D_DRIVER_TYPE driverTypes[] =
  23     {
  24         D3D_DRIVER_TYPE_HARDWARE,
  25         D3D_DRIVER_TYPE_WARP,
  26         D3D_DRIVER_TYPE_REFERENCE,
  27     };
  28     UINT numDriverTypes = ARRAYSIZE(driverTypes);
  29
  30     D3D_FEATURE_LEVEL featureLevels[] =
  31     {
  32         D3D_FEATURE_LEVEL_11_0,
  33         D3D_FEATURE_LEVEL_10_1,
  34         D3D_FEATURE_LEVEL_10_0,
  35     };
  36     UINT numFeatureLevels = ARRAYSIZE(featureLevels);
  37
  38     DXGI_SWAP_CHAIN_DESC sd;
  39     ZeroMemory( &sd, sizeof( sd ) );
  40     sd.BufferCount = 1;
  41     sd.BufferDesc.Width = width;
  42     sd.BufferDesc.Height = height;
  43     sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
  44     sd.BufferDesc.RefreshRate.Numerator = 60;
  45     sd.BufferDesc.RefreshRate.Denominator = 1;
  46     sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
  47     sd.OutputWindow = NULL; //g_hWnd;
  48     sd.SampleDesc.Count = 1;
  49     sd.SampleDesc.Quality = 0;
  50     sd.Windowed = TRUE;
  51
  52     for (UINT driverTypeIndex = 0; driverTypeIndex < numDriverTypes; driverTypeIndex++)
  53     {
  54         g_driverType = driverTypes[driverTypeIndex];
  55         hr = D3D11CreateDeviceAndSwapChain(NULL, g_driverType, NULL, createDeviceFlags, featureLevels, numFeatureLevels,
  56                 D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &g_featureLevel, &g_pImmediateContext);
  57         if (SUCCEEDED(hr))
  58             break;
  59     }
  60     if (FAILED(hr))
  61         return hr;
  62
  63     return S_OK;
  64 }
  65
  66 int main(int /*argc*/, char** /*argv*/)
  67 {
  68     InitDevice();
  69     return 0;
  70 }