glXQueryExtension(3G)	    OpenGL Reference - GLX	 glXQueryExtension(3G)



NAME
     glXQueryExtension - indicate whether the GLX extension is supported


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


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

















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