#These are for compatibility with the old libGL.
noop SGI_color_table
noop EXT_convolution
noop EXT_cull_vertex
noop NV_fence
noop SGIS_detail_texture
noop SGIX_fragment_lighting
noop SGIX_flush_raster
noop EXT_vertex_array
noop SGIX_instruments
noop EXT_histogram
noop NV_vertex_program
noop PGI_misc_hints
noop SGIS_multisample
noop EXT_multisample
