On 1/18/06, Jose O Gonzalez <[EMAIL PROTECTED]> wrote:
> Enlightenment CVS committal
>
> Author : raster
> Project : e17
> Module : proto
>
> Dir : e17/proto/gfx_routines
>
>
> Modified Files:
> blend.c
>
>
> Log Message:
>
>
> jose came up with some nice idea for a faster c blender... much nicer
:)
>
Oh no, I can't take credit for coming up with that particular routine.
I spent an hour coming up with a variety of c blend routines, some
nearly
fast (but not quite) as that one, but via a different means, and some
that were
similar in approach but gave incorrect results for the alpha component...
I suspected there was a way to do it via that approach, but I ran out of
time and didn't think I was going to get it any time soon...
So I decided to take look at what's being done by the people who
actually
do know what they're doing - namely I took a look at the xserver sources.
There, in the CVS dir "xserver/fb/fbpict.h" I found some code that gave
me the missing piece for how to do this - it was then a trivial matter to
write things out as we wanted them.
All credit must go to whoever came up with the idea found in that
xserver
code, not me.
jose.
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