glXQueryExtension.3G - Man Page
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.