[prev in list] [next in list] [prev in thread] [next in thread] 

List:       freedesktop-xorg
Subject:    Re: fbCompositeSrc_8888RevNPx0565
From:       Daniel Stone <daniel () fooishbar ! org>
Date:       2007-04-30 11:09:24
Message-ID: 20070430110924.GC14209 () fooishbar ! org
[Download RAW message or body]

[Attachment #2 (multipart/signed)]


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

["signature.asc" (application/pgp-signature)]

_______________________________________________
xorg mailing list
xorg@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/xorg

[prev in list] [next in list] [prev in thread] [next in thread]