Premultiplied alpha handle for driver
jonathan.morton at movial.com
Fri Jun 4 02:44:03 PDT 2010
> If the src is a RGB565, and mask is a A8, dest is a RGB565, how to do the rendering?
> My thought is:
> 1) convert the src to ARGB
> 2) then the same as routine.
> Is it correct?
The overall formula remains the same, yes. You would need to convert
the result back to RGB565 after calculating.
Most graphics hardware I'm aware of is fairly format-agnostic, but I
get the impression that Geode is a rather simple device.
- Jonathan Morton
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