{"GL_ARB_multisample", GL_ARB_multisample_functions},
{"GL_ARB_multitexture", NULL},
{"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions},
{"GL_ARB_pixel_buffer_object", NULL},
{"GL_ARB_multisample", GL_ARB_multisample_functions},
{"GL_ARB_multitexture", NULL},
{"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions},
{"GL_ARB_pixel_buffer_object", NULL},