Created attachment 82401 [details]
graphical glitch

unigine-tropics and unigine-sanctuary don't runs. Required extension
GL_EXT_framebuffer_multisample is not supported.

ArchLinux x86; kernel 3.10; mesa - git; xf86-video-ati - git; llvm - 3.3

Radeon HD 7950

OpenGL renderer string: Gallium 0.4 on AMD TAHITI
OpenGL version string: 2.1 Mesa 9.2.0-devel (git-796b73d)
OpenGL shading language version string: 1.30

If run MESA_EXTENSION_OVERRIDE="GL_EXT_framebuffer_multisample"
unigine-tropics, test runs but have graphical glitch.