[Bug 329901] [NEW] Rendering errors on GM965 (Intel X3100) when composite enable

[aloctavodia]

Public bug reported:

I have a vostro 1400 is capable to support 3d efects (compiz-fusion) or
metacity composite without any problem but cause some render issues on
Pymol, VMD and qtiplot. Both VMD and Pymol are proteins visualization
software that use open-GL. both applications use a window for "control
panel" and a window to render the molecules. in both applications the
last window flick, is erased if you move other window over it (only
compiz), display the images erratically, window border is not there
(sometime with metacity, always with compiz)  In the case of qtiplot
when a 3D plot is plotted the windows became all gray from time to time.

In all cases if you rotate/move the molecule/3D-plot is displayed
properly.

The problem are less noticeable (but still problematic) with metacity
composite than with Compiz. With Compiz VMD/Pymol are uselles (programas
doesn´t crash but is imposible to work).

attached some capture with vmd running and metacity composite manager
enabled, two of them showing improperly behavior and one properly.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

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Rendering errors on GM965 (Intel X3100) when composite enable
https://bugs.launchpad.net/bugs/329901
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