NAME¶

glutOverlayDisplayFunc — Defines the display hook for an overlay.

LIBRARY¶

OpenGLUT - windowcallback

SYNOPSIS¶

#include <openglut.h>

void
glutOverlayDisplayFunc(void( *callback )( void ));

PARAMETERS¶

Client hook for overlay redisplay.

DESCRIPTION¶

is invoked by OpenGLUT to refresh an overlay, if OpenGLUT thinks that this is necessary. Generally, very similar to glutDisplayFunc(), save that:

- The redisplay is triggered differently.
- OpenGLUT sets the layer for you.
- You do not need to have, and can deregister, this callback.

This callback is bound to

the

BUGS¶

OpenGLUT does not implement layers at this time.

SEE ALSO¶

glutDisplayFunc(3) glutPostOverlayRedisplay(3) glutEstablishOverlay(3) glutUseLayer(3)