#ifdef need_GL_NV_vertex_program
{ "GL_NV_vertex_program", GL_NV_vertex_program_functions }
{ "GL_NV_vertex_program1_1", NULL },
#ifdef need_GL_NV_vertex_program
{ "GL_NV_vertex_program", GL_NV_vertex_program_functions }
{ "GL_NV_vertex_program1_1", NULL },