Radeon Mobility X1600 texture garbage w/ compiz skydome

[Soeren Sonnenburg]

On Sun, 2008-09-21 at 08:27 -0700, Corbin Simpson wrote:
> Michel Dänzer wrote:
> > On Sun, 2008-09-21 at 13:35 +0200, Soeren Sonnenburg wrote:
> > [...]
> > 
> >> (**) RADEON(0): Option "GARTSize" "64"
> >> (**) RADEON(0): Option "FBTexPercent" "0"
> > 
> > Try without these two options.
> > 
> > For the former, values larger than 32 (which is also the default now)
> > aren't handled correctly automatically for PCIe cards.
> > 
> > For the latter, the Mesa r300 driver doesn't properly handle GART
> > texturing, so it needs to have texture space in video RAM.
> > 
> > 
> 
> For compiz, make sure your skydome isn't larger than MAX_TEX_SIZE/2 in
> any dimension. For your chipset, it would be 2048x2048. Any larger, and
> you'll get a very, um, "fun" skydome glitch. (Compiz doesn't properly
> check this...)
> 
> Also, for UT2004, turning off FBTexPercent should do the trick.

Yes it all works now and that poor windows users seeing these effects
became incredibly jealous. Anyway as a consequence I've just ordered
another ATI for my desktop :)

Soeren