Premultiplied vs non-premultiplied colors in solid and gradient pictures

Alan Cox alan at lxorguk.ukuu.org.uk
Mon Jul 4 15:01:42 PDT 2005


On Llu, 2005-07-04 at 09:54, Lars Knoll wrote:
> But for now, I'll see if I can add MMX/SSE implementations for at least the 
> most used Porter-Duff operations. It makes at least the 90% case (x86 
> hardware) fast.

Some PPC and also later sparc have similar instruction sets, but to tell
the truth I think you'll find the x86-* is closer to 99% if not higher
8)

Alan




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