[cairo] GL invert image for non-texture GL surface that does not support GLX_MESA_pack_invert

[Henry Song]

Hi, Chris

You patch works.  Thanks

Henry

-----Original Message-----
From: cairo-bounces+henry.song=samsung.com at cairographics.org
[mailto:cairo-bounces+henry.song=samsung.com at cairographics.org] On Behalf Of
Chris Wilson
Sent: Monday, March 19, 2012 3:59 AM
To: Henry (Yu) Song - SISA; cairo at cairographics.org
Subject: Re: [cairo] GL invert image for non-texture GL surface that does
not support GLX_MESA_pack_invert

On Tue, 13 Mar 2012 20:21:44 +0000, "Henry (Yu) Song - SISA"
<hsong at sisa.samsung.com> wrote:
> 
> Author: Henry Song <henry.song at samsung.com>
> Date:   Tue Mar 13 11:22:37 2012 -0700
> 
>     gl invert non-texture image when map_to_image for non-texture gl
surface
>     that does not support GLX_MESA_pack_invert extension

Hmm, looks slow, so I tried a more direct approach. Can you check it over?
-Chris

--
Chris Wilson, Intel Open Source Technology Centre
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