.Dt GLUTOVERLAYDISPLAYFUNC 3 LOCAL

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NAME glutOverlayDisplayFunc —Defines the display hook for an overlay.

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LIBRARYOpenGLUT - windowcallback

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SYNOPSIS #include <openglut.h>
void glutOverlayDisplayFunc(void( *callback )( void ));

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PARAMETERS. Bf
 callback . Ef
    Client hook for overlay redisplay.

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DESCRIPTION. Bf
 callback . Ef
 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 . Bf
 both . Efthe . Bf
 current window . Ef
  and the . Bf
 layer . Ef
 .

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BUGSOpenGLUT does not implement layers at this time.

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SEE ALSOglutDisplayFunc(3) glutPostOverlayRedisplay(3) glutEstablishOverlay(3) glutUseLayer(3) fl.sp 3 0

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Johanes Gumabo

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ERROR : Need New Coding :         (parse_manual_page_|249|glutOverlayDisplayFunc.3|2|Dt|.Dt GLUTOVERLAYDISPLAYFUNC 3 LOCAL )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|15|Bf|.Bf Em )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|17|Ef|.Ef )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|20|Bf|.Bf Sy )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|22|Ef|.Ef )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|34|Bf|.Bf Em )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|36|Ef|.Ef )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|39|Bf|.Bf Li )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|41|Ef|.Ef )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|44|Bf|.Bf Li )         (parse_manual_page_|249|glutOverlayDisplayFunc.3|46|Ef|.Ef )    

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