14c1a2a94c
Only assign gl_Layer if we have GL_AMD_vertex_shader_layer. Gen6 doesn't (currently) have that extension, but it also doesn't support layered rendering. Signed-off-by: Kristian Høgsberg <krh@bitplanet.net> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Tested-by: Jordan Justen <jordan.l.justen@intel.com>