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Do not use CUDA on emulation devices.

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This commit is contained in:
castano 2007-12-12 21:55:28 +00:00
parent 271a34f8f9
commit a0f282f3c6
1 changed files with 17 additions and 4 deletions
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21
trunk/src/nvtt/cuda/CudaUtils.cpp
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@ -74,11 +74,24 @@ bool nv::cuda::isHardwarePresent()
{
#if defined HAVE_CUDA
#if NV_OS_WIN32
return !isWindowsVista() && deviceCount() > 0;
//return !isWindowsVista() && isWow32() && deviceCount() > 0;
#else
return deviceCount() > 0;
if (isWindowsVista()) return false;
//if (isWindowsVista() || !isWow32()) return false;
#endif
int count = deviceCount();
if (count == 1)
{
// Make sure it's not an emulation device.
cudaDeviceProp deviceProp;
cudaGetDeviceProperties(&deviceProp, 0);
// deviceProp.name != Device Emulation (CPU)
if (deviceProp.major == -1 || deviceProp.minor == -1)
{
return false;
}
}
return count > 0;
#else
return false;
#endif