[Bug 35998] RS600: Texture alignment issues under Gnome Shell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #15 from Milan Plzik <emempi at gmail.com> 2011-05-16 13:04:44 PDT ---
(In reply to comment #14)
> Created an attachment (id=46752)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46752
 Review: https://bugs.freedesktop.org/review?bug=35998&attachment=46752

> little experiment
> 
> (In reply to comment #13)
> > After more thorough testing, it seems that r300 driver is not able to correctly
> > create surfaces of certain dimensions; random vram content is shown instead.
> 
> Not true. The r300 driver gets it right for all the other GPUs, it's just rs6xx
> that is broken.

  Sorry, I was generalizing too much; for me it's always in rs600 context.

> 
> Please try the attached patch.

I tried this patch; unfortunately it just reverted the old behavior -- problem
with certain surface sizes was gone, but problem with texture alignment
returned for both 8bpp and 32bpp textures. I did not notice any other
differences.

  If you will have any other ideas/patches, I'll gladly test them; but I can't
do much here by myself.

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