|
|
ARB EXTensions |
SGI EXTensions |
SGIS EXTensions |
SGIX EXTensions |
|---|---|---|---|---|
| Procedure | glProcedureEXT
| glProcedureSGI
| glProcedureSGIS
| glProcedureSGIX
|
| Token | GL_DEFINITION_EXT
| GL_DEFINITION_SGI
| GL_DEFINITION_SGIS
| GL_DEFINITION_SGIX
|
| Type | GLtypeEXT
| GLtypeSGI
| GLtypeSGIS
| GLtypeSGIX
|
| Description | Optional extension | Supported on all SGI OpenGL platforms | Supported on some SGI OpenGL platforms | Supported on some SGI OpenGL platforms |
| Status | Permanently added to OpenGL | Permanently added to SGI OpenGL | Permanently added to SGI OpenGL | Experimental - no guaranteed future support |
| Availibility | Supported by two or more OpenGL vendors. | Some platforms will not offer h/w acceleration. Future adoption as EXT possible. | Most platforms will offer h/w acceleration. Future adoption as SGI or EXT possible. | Subject to modification. Future adoption as SGIS, SGI, or EXT possible. |