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

NAME    [Toc]    [Back]

     glXBindSwapBarrierSGIX - synchronize buffer swaps with other screens

C SPECIFICATION    [Toc]    [Back]

     void glXBindSwapBarrierSGIX( Display *dpy,
				  GLXDrawable drawable,
				  int barrier )

PARAMETERS    [Toc]    [Back]

     dpy       Specifies the connection	to the X server.


     drawable  Specifies any GLX drawable in the swap group.


     barrier   Specifies the barrier.

DESCRIPTION    [Toc]    [Back]

     glXBindSwapBarrierSGIX is part of the SGIX_swap_barrier extension.

     glXBindSwapBarrierSGIX binds the swap group containing drawable to
     barrier.  Buffer swaps to all members of all groups bound to barrier will
     then take place concurrently, after all of	their swap intervals have
     elapsed.  Typically, the other swap groups	bound to a barrier will	reside
     on	other screens or hosts.	 The parameter barrier must be greater than or
     equal to zero and less than or equal to the number	of supported barriers
     returned by glXQueryMaxSwapBarriersSGIX.

     If	barrier	is zero, the swap group	is bound to no barrier.

     glXBindSwapBarrierSGIX is part of the stream of X calls; to synchronize
     with OpenGL calls,	use glXWaitX or	glXWaitGL.

ERRORS    [Toc]    [Back]

     GLXBadDrawable is generated if drawable is	not a valid GLX	drawable.

     BadValue is generated if barrier is already bound to another swap group,
     or	if barrier is invalid.

SEE ALSO    [Toc]    [Back]

     glXSwapBuffers, glXSwapIntervalSGI, glXJoinSwapGroupSGIX,
     glXQueryMaxSwapBarriersSGIX.


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