(In reply to comment #6)
> I don't think that's quite the full output, but it does look somewhat like
> an issue that was fixed by commit b5ddaf9975f96c46ea3dfb02c4130de5196b238c.

I'm just tried it with latest Mesa from git and there still same error and
glitch.

I'm attached game log with R600_DUMP_SHADERS=1, what else might be helpful
here?