[Intel-gfx] Artifacts when moving a window over OpenGL

[Eric Anholt]

On Sat, 2008-12-06 at 21:11 +0500, Alexander E. Patrakov wrote:
> Hi,
> 
> when moving an unrelated window over something OpenGL-ish, artifacts in 
> the form of black bars appear in the OpenGL window to the right of the 
> window being moved, as if there is some 24/32bpp miscalculation somewhere.
> 
> See the attached image as an example. It was done by moving the main VLC 
> window over its GLX output window in the up-down direction. I would 
> expect artifacts above and below the main VLC window, but not the black 
> bar to the right of it.
> 
> Arch, xorg-server 1.5.3-3, xf86-video-intel 2.4.3-1, kernel 2.6.27.7-1.

Yeah, I've seen that before, and we've had an open bug or two on it.  I
don't think it's a 24/32 issue, as there's no 24 anywhere.  More likely
miscellaneous failure with cliprects in DRI1.  Luckily it does look to
be fixed with DRI2.

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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