EXT(EXT_blend_minmax , EXT_blend_minmax , GLL, x , ES1, ES2, 1995)
EXT(EXT_blend_subtract , dummy_true , GLL, x , x , x , 1995)
EXT(EXT_buffer_storage , ARB_buffer_storage , x , x , x , 31, 2015)
+EXT(EXT_clip_cull_distance , ARB_cull_distance , x , x , x , 30, 2016)
EXT(EXT_color_buffer_float , dummy_true , x , x , ES1, 30, 2013)
EXT(EXT_compiled_vertex_array , dummy_true , GLL, x , x , x , 1996)
EXT(EXT_copy_image , OES_copy_image , x , x , x , 30, 2014)