Retrieves the used feature level, determining hardware support.
You can use this function at runtime to determine whether the current hardware supports certain functions / features only available in later versions of DX.
DX11 is a strict superset of DX10, meaning that all DX10 functionality is present in DX11.

Return Dword = DX11 GET HARDWARE VERSION()

This function does not take any parameters.

The hardware feature level DX11 is running on. Note that if you explicitly set DXVERSION_10_0 on a DX11 capable machine, this function will still return DXVERSION_10_0.

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