The D3DVAL macro creates a value whose type is D3DVALUE.
D3DVAL(val) ((float)val)
The macros returns the converted value.
Windows NT: Use version 4.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in d3dtypes.h.