(In reply to comment #44)
> I think I have similar issue with Unigine Heaven 3.0 :
> 
> http://people.freedesktop.org/~vlj/00002.jpg
> http://people.freedesktop.org/~vlj/00003.jpg
> 
> A webgl demo that has the issue too is at http://www.findyourwaytooz.com/
> 
> It appeared with Kernel 3.8 too. Kernel 3.7.9 did have this.
> 
> With a previous Mesa there was the same kind of issue with Lightmark, but
> with latest mesa it is gone ; maybe the remaining corruption is related to
> compressed textures ?

Your screenshots are very similar to what I see with other Unigine's demos.
Your webgl demo also seems to exhibit the same corruption issue. I would say
you are right about some specific kind of textures not being correctly
rendered, while others are. What kind exactly is to be determined.