DXPreMultSample function
Multiplies the color components of a sample by its alpha value.
Syntax
DXPMSAMPLE DXPreMultSample(
_In_ const DXSAMPLE &Src
);
Parameters
- Src [in, ref]
A DXSAMPLE object that specifies the sample to convert.
Return value
Returns an alpha premultiplied version of the source sample.
Remarks
This function is useful for switching a sample between ARGB32 and PMARGB32 pixel formats.
Requirements
Minimum supported client |
Windows XP |
Minimum supported server |
Windows 2000 Server |
Header |
Dxhelper.h |
See also
Reference