63b49e1711
No drivers currently implement ARB_geometry_shader4, nor are there any plans to implement it. We only support the version of geometry shaders that was incorporated into OpenGL 3.2 / GLSL 1.50. Signed-off-by: Marta Lofstedt <marta.lofstedt@linux.intel.com> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>