Bug#456780: xserver-xorg-video-ati: produces improper drop shadows with compiz

Michel Dänzer daenzer at debian.org
Tue Dec 18 00:37:34 PST 2007

On Mon, 2007-12-17 at 17:34 -0400, Zoho Vignochi wrote:
> Package: xserver-xorg-video-ati
> Version: 1:6.7.196-2
> Severity: normal
> I use compiz as a window manager and use EXA as the acceleration method. 
> If I switch to XAA the effect of the drop shadow is normal however my 
> desktop becomes very slow, especially scrolling. 
> When using EXA everything seems fine except the borders around windows 
> are drawn improperly.

This might be a Mesa driver issue. Can you try upstream Git
mesa_7_0_branch, in particular commit
3f18c0a9f27fded8f52a5f0c5b8ad71f71c46aa2 ?

If you can't, or if it doesn't help, does setting the shadow radius to a
value that isn't a power of two (e.g. 9) work around the problem?

Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer

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