http://bugs.freedesktop.org/show_bug.cgi?id=10245





------- Comment #8 from [EMAIL PROTECTED]  2007-03-12 04:18 PST -------
(In reply to comment #7)
> (In reply to comment #6)
> > Does this also happen with Option "ColorTiling" "off" or without page 
> > flipping?
> > 
> 
> ColorTiling On   PageFlipping On:       glitches
> ColorTiling On   PageFlipping Off:      no glitches
> ColorTiling Off  PageFlipping On:       no glitches
> ColorTiling Off  PageFlipping Off:      no glitches
> 
> PS. Is it normal if there was no message acknowledging that ColorTiling was
> disabled?
I thought no, but looking at the code apparently it is...

Do you run lowfat/stellarium in full screen mode? If so could you try it
windowed? It may be possible due to some bug the 3d driver writes beyond the
screen area by 1 line, which due to tiling would mess up the hw cursor area
(just behind the front screen buffer). At least that would explain why it only
happens with both pageflip and tiling (without pageflip, typical gl apps only
render to back buffer, without tiling, it wouldn't hit the cursor area since
there are 2 lines reserved after front buffer).


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