要使用具体硬件的显示适配器创建D3D11必须把driverTypes设为D3D_DRIVER_TYPE_UNKNOWN

如下

// 创建D3D11设备
HRESULT hr = D3D11CreateDevice(
  d3dAdapter->GetDXGIAdapter().Get(), driverTypes, 0, creationFlags,
  featureLevels, totalFeatureLevels,
  D3D11_SDK_VERSION,
  &d3dDevice.GetReference(), &feature, &d3dContext.GetReference());

 

driverTypes必须为D3D_DRIVER_TYPE_UNKNOWN,否则会提示INVALID_ARG

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