| GL_SGIX_async | |
| http://oss.sgi.com/projects/ogl-sample/registry/SGIX/async.txt | |
| GL_ASYNC_MARKER_SGIX 0x8329 | |
| void glAsyncMarkerSGIX (GLuint marker) | |
| void glDeleteAsyncMarkersSGIX (GLuint marker, GLsizei range) | |
| GLint glFinishAsyncSGIX (GLuint* markerp) | |
| GLuint glGenAsyncMarkersSGIX (GLsizei range) | |
| GLboolean glIsAsyncMarkerSGIX (GLuint marker) | |
| GLint glPollAsyncSGIX (GLuint* markerp) |