(In reply to comment #4)
> There is a lot of other code which plays role in handling sRGB textures. I
> don't think getteximage.c is relevant to this issue(s).
> 
> Nevertheless, it looks like Pavel's and Martin's issues are different bugs.
> 
> Pavel reported that GL_EXT_texture_sRGB_decode, which is only in 7.11, is
> broken specifically on r300g, but other drivers might be affected as well
> and it definitely looks like a Mesa core bug. Pavel, could you please add it
> as a new bug against Mesa core?
> 
> Martin's issue is likely related to the fact that piglit/glean/texture_srgb
> fails on r600g. Taking a look at it might be a good start.

the piglit passes for me on my rv770 with mesa from git (470952f)

@Martin: Can you test with a newer version of mesa (9.0 or mesa from git)?