Comment # 84 on bug 110214 from Diego Viola

(In reply to Michel Dänzer from comment #83)
> (In reply to Diego Viola from comment #82)
> > I found that I can't reproduce this bug with Xephyr -glamor_gles2 (git) but
> > it still happens with -glamor.
> 
> Presumably the GL_NV_texture_barrier extension isn't available with GLES2,
> so this is the same as disabling that extension with OpenGL.

Makes sense, thanks.