5644a90801
The expectation is that drivers will set this based on OES_geometry_shader and ARB_viewport_array support. This is a separate enable on the same reasoning as for OES_texture_cube_map_array. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>