| GL_INGR_color_clamp | |
| http://oss.sgi.com/projects/ogl-sample/registry/INGR/color_clamp.txt | |
| GL_RED_MIN_CLAMP_INGR 0x8560 | |
| GL_GREEN_MIN_CLAMP_INGR 0x8561 | |
| GL_BLUE_MIN_CLAMP_INGR 0x8562 | |
| GL_ALPHA_MIN_CLAMP_INGR 0x8563 | |
| GL_RED_MAX_CLAMP_INGR 0x8564 | |
| GL_GREEN_MAX_CLAMP_INGR 0x8565 | |
| GL_BLUE_MAX_CLAMP_INGR 0x8566 | |
| GL_ALPHA_MAX_CLAMP_INGR 0x8567 |