Mesa with dri on intel - what's going on ?

emisca at
Mon Apr 16 06:20:29 PDT 2007

Try to use the option Legacy3d on xorg conf, on the intel device section...

What driver are you using now, I think i915tex.... I'm right?
Perhaps if you have time try to collect some additional and technical
informations (xorg.conf, xorg log, dmesg...for example) about your
problems, so mesa and xorg folks can fix bugs if there are....


2007/4/16, Pavel Troller <patrol at>:
> Hi!
>   I'm running the a combo of, Mesa and xf86-video-intel from git master
> on a x86_64 system with i945 video chipset. In mesa, I'm building the
> linux-dri-x86-64 target (and then separately linux-dri-x86 target to get
> the 32bit compatibility libs).
>   I was trying some OpenGL apps, but I'm experiencing many problems.
>   For example, I've built "torcs" (3D car racing game) to test. The game runs,
> but the accelerated display is wrong. It has totally messed up colors, some
> scenes are almost black (may be related to the colors problem), and the
> rendering is also wrong, especially visibility (I can see parts of the cars
> like wheels or the driver, which should not be visible because they have to be
> obstructed by the chassis or other parts). Parts of the cars are flickering,
> hiding and then reappearing.
>   32bit build of the game is producing absolutely the same display.
>   The same problem is shown in much more simple apps, like some OpenGL screen
> savers. The "Chess" saver has also visibility problems (pieces in the back are
> rendered over the ones in front), as well as the classical Morph3D.
>   However, glxgears looks OK. But it's the only app which doesn't have any
> problems :-).
>   What I am doing wrong ? I would like to use a stable Mesa, but git
> requires git mesa to build...
>         With regards, Pavel Troller
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