fbCompositeSrc_8888RevNPx0565

[Daniel Stone]

On Mon, Apr 30, 2007 at 03:39:25AM -0700, Daniel Amelang wrote:
> The attached patch provides a fast path for the case of performing
> a8b8g8r8 non-premultiplied (aka the GdkPixbuf format) OVER r5g6b5 via
> a new function called fbCompositeSrc_8888RevNPx0565. Basically, it's
> just an adaptation of the previous work I talked about here:
> 
> http://lists.freedesktop.org/archives/xorg/2007-April/023763.html
> 
> On my Nokia N800, I get a 3.4x speedup when running this little gdk
> benchmark program:
> 
> http://amelang.net/composite_pixbuf.c
> 
> The source file is kinda large (4.5MB) due to an embedded GdkPixbuf.

Thanks Dan, you're a champion.  Merged this one into my internal tree
for the update after next.

Cheers,
Daniel
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