| GL_SGIX_texture_range | |
| http://oss.sgi.com/projects/ogl-sample/registry/SGIX/texture_range.txt | |
| GL_RGB_SIGNED_SGIX 0x85E0 | |
| GL_RGBA_SIGNED_SGIX 0x85E1 | |
| GL_ALPHA_SIGNED_SGIX 0x85E2 | |
| GL_LUMINANCE_SIGNED_SGIX 0x85E3 | |
| GL_INTENSITY_SIGNED_SGIX 0x85E4 | |
| GL_LUMINANCE_ALPHA_SIGNED_SGIX 0x85E5 | |
| GL_RGB16_SIGNED_SGIX 0x85E6 | |
| GL_RGBA16_SIGNED_SGIX 0x85E7 | |
| GL_ALPHA16_SIGNED_SGIX 0x85E8 | |
| GL_LUMINANCE16_SIGNED_SGIX 0x85E9 | |
| GL_INTENSITY16_SIGNED_SGIX 0x85EA | |
| GL_LUMINANCE16_ALPHA16_SIGNED_SGIX 0x85EB | |
| GL_RGB_EXTENDED_RANGE_SGIX 0x85EC | |
| GL_RGBA_EXTENDED_RANGE_SGIX 0x85ED | |
| GL_ALPHA_EXTENDED_RANGE_SGIX 0x85EE | |
| GL_LUMINANCE_EXTENDED_RANGE_SGIX 0x85EF | |
| GL_INTENSITY_EXTENDED_RANGE_SGIX 0x85F0 | |
| GL_LUMINANCE_ALPHA_EXTENDED_RANGE_SGIX 0x85F1 | |
| GL_RGB16_EXTENDED_RANGE_SGIX 0x85F2 | |
| GL_RGBA16_EXTENDED_RANGE_SGIX 0x85F3 | |
| GL_ALPHA16_EXTENDED_RANGE_SGIX 0x85F4 | |
| GL_LUMINANCE16_EXTENDED_RANGE_SGIX 0x85F5 | |
| GL_INTENSITY16_EXTENDED_RANGE_SGIX 0x85F6 | |
| GL_LUMINANCE16_ALPHA16_EXTENDED_RANGE_SGIX 0x85F7 | |
| GL_MIN_LUMINANCE_SGIS 0x85F8 | |
| GL_MAX_LUMINANCE_SGIS 0x85F9 | |
| GL_MIN_INTENSITY_SGIS 0x85FA | |
| GL_MAX_INTENSITY_SGIS 0x85FB |