| GL_ARB_texture_rectangle | |
| http://oss.sgi.com/projects/ogl-sample/registry/ARB/texture_rectangle.txt | |
| GL_TEXTURE_RECTANGLE_ARB 0x84F5 | |
| GL_TEXTURE_BINDING_RECTANGLE_ARB 0x84F6 | |
| GL_PROXY_TEXTURE_RECTANGLE_ARB 0x84F7 | |
| GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8 | |
| GL_SAMPLER_2D_RECT_ARB 0x8B63 | |
| GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64 |