This section includes only extensions which are workstation dependent. All the extensions not listed in this section are realized in software and so are always available.
| extra hlhsr identifiers | yes (*) |
| hatch index | no |
| Antialiasing modes | yes |
| extra antialiasing identifiers | no |
| z-buffer shift | no |
| z-buffer edge shift | no |
| transparency | yes |
| highlighting method | redraw object using the HIGHLIGHTING COLOR |
| cell array simulation | draw an OpenGL image if CELL ARRAY is rectangular |
| cell array alignment | no |