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
copyboxtocontext(3),
copyboxfromcontext(3) and thus allows for
page-flipping. 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-essen.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.
