glXQueryExtension(3)

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 sup-
       ports 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()