private void CreateDevice()
{
try
{
// Create device
device = D3DDevice1.CreateDevice1(
null,
DriverType.Hardware,
null,
CreateDeviceOptions.SupportBgra,
FeatureLevel.Ten);
}
catch (Exception)
{
// if we can't create a hardware device,
// try the warp one
}
if (device == null)
{
device = D3DDevice1.CreateDevice1(
null,
DriverType.Software,
"d3d10warp.dll",
CreateDeviceOptions.SupportBgra,
FeatureLevel.Ten);
}
}
private static D3DDevice1 TryCreateDevice1(DriverType type)
{
// We'll try to create the device that supports any of these feature levels
FeatureLevel[] levels =
{
FeatureLevel.Ten,
FeatureLevel.NinePointThree,
FeatureLevel.NinePointTwo,
FeatureLevel.NinePointOne
};
foreach (FeatureLevel level in levels)
{
try
{
return(D3DDevice1.CreateDevice1(null, type, null,
CreateDeviceOptions.SupportBgra, level));
}
catch (ArgumentException) // E_INVALIDARG
{
}
catch (OutOfMemoryException) // E_OUTOFMEMORY
{
}
catch (DirectXException) // D3DERR_INVALIDCALL or E_FAIL
{
}
}
return(null); // We failed to create a device at any required feature level
}