| GLX_SGIS_color_range | |
| http://oss.sgi.com/projects/ogl-sample/registry/SGIS/color_range.txt | |
| GLX_MAX_GREEN_SGIS 0 | |
| GLX_MIN_RED_SGIS 0 | |
| GLX_MIN_BLUE_SGIS 0 | |
| GLX_MAX_RED_SGIS 0 | |
| GLX_MAX_ALPHA_SGIS 0 | |
| GLX_MIN_GREEN_SGIS 0 | |
| GLX_MIN_ALPHA_SGIS 0 | |
| GLX_EXTENDED_RANGE_SGIS 0 | |
| GLX_MAX_BLUE_SGIS 0 |