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gl_setscreenoffset(3)	      Svgalib User Manual	 gl_setscreenoffset(3)

NAME
       gl_setscreenoffset - set	a memory offset	for copyscreen

SYNOPSIS
       #include	<vgagl.h>

       void gl_setscreenoffset(int o);

DESCRIPTION
       Set  the	offset in pixels into video memory for copyscreen(3) and copy-
       boxtocontext(3),	copyboxfromcontext(3) and thus allows  for  page-flip-
       ping. Must be a multiple	of the scanline	width in bytes.	It is reset to
       zero after the completion of copyscreen(3).

SEE ALSO
       svgalib(7),   vgagl(7),	 svgalib.conf(5),   threedkit(7),   testgl(1),
       gl_copyboxfromcontext(3),   gl_copyboxtocontext(3),   gl_copyscreen(3),
       gl_enablepageflipping(3).

AUTHOR
       This manual page	was edited by Michael Weller  <eowmob@exp-math.uni-es-
       sen.de>.	 The  exact  source  of	 the referenced	demo as	well as	of the
       original	documentation is unknown.

       It is very likely that both are at least	to some	extent are due to Harm
       Hanemaayer <H.Hanemaayer@inter.nl.net>.

       Occasionally  this  might be wrong. I hereby asked to be	excused	by the
       original	author and will	happily	accept any additions or	corrections to
       this first version of the svgalib manual.

Svgalib	(>= 1.2.11)		  2 Aug	1997		 gl_setscreenoffset(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR

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