44 lines
1.2 KiB
Groff
44 lines
1.2 KiB
Groff
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.TH gl_setscreenoffset 3 "2 Aug 1997" "Svgalib (>= 1.2.11)" "Svgalib User Manual"
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.SH NAME
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gl_setscreenoffset \- set a memory offset for copyscreen
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.SH SYNOPSIS
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.B #include <vgagl.h>
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.BI "void gl_setscreenoffset(int " o );
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.SH DESCRIPTION
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Set the offset in pixels into video memory for
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.BR copyscreen (3)
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and
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.BR copyboxtocontext (3),
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.BR copyboxfromcontext (3)
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and thus
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allows for page-flipping. Must be a
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multiple of the scanline width in bytes. It is reset to
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zero after the completion of
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.BR copyscreen (3).
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.SH SEE ALSO
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.BR svgalib (7),
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.BR vgagl (7),
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.BR svgalib.conf (5),
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.BR threedkit (7),
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.BR testgl (1),
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.BR gl_copyboxfromcontext (3),
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.BR gl_copyboxtocontext (3),
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.BR gl_copyscreen (3),
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.BR gl_enablepageflipping (3).
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.SH AUTHOR
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This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The
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exact source of the referenced demo as well as of the original documentation is
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unknown.
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It is very likely that both are at least to some extent are due to
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Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
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Occasionally this might be wrong. I hereby
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asked to be excused by the original author and will happily accept any additions or corrections
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to this first version of the svgalib manual.
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