redhat man page for glxqueryextension

GLXQUERYEXTENSION()													       GLXQUERYEXTENSION()

NAME
       glXQueryExtension - indicate whether the GLX extension is supported

C SPECIFICATION
       Bool glXQueryExtension( Display *dpy,
			       int *errorBase,
			       int *eventBase )

       delim $$

PARAMETERS
       dpy	  Specifies the connection to the X server.

       errorBase  Returns the base error code of the GLX server extension.

       eventBase  Returns the base event code of the GLX server extension.

DESCRIPTION
       glXQueryExtension  returns  True  if the X server of connection dpy supports the GLX extension, False otherwise.  If True is returned, then
       errorBase and eventBase return the error base and event base of the GLX extension.  Otherwise, errorBase and eventBase are unchanged.

       errorBase and eventBase do not return values if they are specified as NULL.

NOTES
       eventBase is included for future extensions.  GLX does not currently define any events.

SEE ALSO
       glXQueryVersion

															       GLXQUERYEXTENSION()