glutDisplayFunc - Man Page

OpenGLUT - windowcallback

#include <openglut.h>

void
glutDisplayFunc(void( *callback )( void ));

Client function for normal redisplay event.

Sets the display callback for the


current window
. All windows, including subwindows,

have a display callback registered. OpenGLUT will call the

function whenever it thinks that the window may require updating.

This callback is bound to the


current window
.

Unlike most callbacks, it is illegal to try to disable the display callback by setting it to

.

Multiple redisplays may be coalesced into a single event for invoking the

only once.

glutPostRedisplay(3) glutOverlayDisplayFunc(3)

glutInit(3), glutOverlayDisplayFunc(3), glutPopWindow(3), glutPostRedisplay(3), glutPostWindowRedisplay(3).