glXQueryMaxSwapBarriersSGIX(3G)				OpenGL Reference - GLX

NAME    [Toc]    [Back]

     glXQueryMaxSwapBarriersSGIX - query number	of barriers supported on a
     screen

C SPECIFICATION    [Toc]    [Back]

     Bool glXQueryMaxSwapBarriersSGIX( Display *dpy,
				       int screen,
				       int *max	)

PARAMETERS    [Toc]    [Back]

     dpy     Specifies the connection to the X server.


     screen  Specifies a window	on the screen.


     max     Returns the number	of barriers.

DESCRIPTION    [Toc]    [Back]

     glXQueryMaxSwapBarriersSGIX is part of the	SGIX_swap_barrier extension.

     glXQueryMaxSwapBarriersSGIX returns in max	the number of barriers
     supported on the screen of	screen.	 This determines the valid range of
     the barrier parameter to glXBindSwapBarrierSGIX.

ERRORS    [Toc]    [Back]

     glXQueryMaxSwapBarriersSGIX returns True if it succeeds, False otherwise.
     If	False is returned, max is not updated.

     BadWindow is generated if screen is not a valid X window.

SEE ALSO    [Toc]    [Back]

     glXBindSwapBarrierSGIX.


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