glXQueryExtension - indicate whether the GLX extension is supported
Bool glXQueryExtension( Display *dpy, int *errorBase, int *eventBase )
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.
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.
eventBase is included for future extensions. GLX does not currently define any events.
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Fri Dec 6 11:18:03 EST 1996
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