SvgaLib/doc/man3/gl_setscreenoffset.3

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.TH gl_setscreenoffset 3 "2 Aug 1997" "Svgalib (>= 1.2.11)" "Svgalib User Manual"
.SH NAME
gl_setscreenoffset \- set a memory offset for copyscreen
.SH SYNOPSIS
.B #include <vgagl.h>
.BI "void gl_setscreenoffset(int " o );
.SH DESCRIPTION
Set the offset in pixels into video memory for
.BR copyscreen (3)
and
.BR copyboxtocontext (3),
.BR 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
.BR copyscreen (3).
.SH SEE ALSO
.BR svgalib (7),
.BR vgagl (7),
.BR svgalib.conf (5),
.BR threedkit (7),
.BR testgl (1),
.BR gl_copyboxfromcontext (3),
.BR gl_copyboxtocontext (3),
.BR gl_copyscreen (3),
.BR gl_enablepageflipping (3).
.SH 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.