1gl_setscreenoffset(3) Svgalib User Manual gl_setscreenoffset(3)
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6 gl_setscreenoffset - set a memory offset for copyscreen
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10 #include <vgagl.h>
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12 void gl_setscreenoffset(int o);
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16 Set the offset in pixels into video memory for copyscreen(3) and copy‐
17 boxtocontext(3), copyboxfromcontext(3) and thus allows for page-flip‐
18 ping. Must be a multiple of the scanline width in bytes. It is reset to
19 zero after the completion of copyscreen(3).
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23 svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1),
24 gl_copyboxfromcontext(3), gl_copyboxtocontext(3), gl_copyscreen(3),
25 gl_enablepageflipping(3).
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29 This manual page was edited by Michael Weller <eowmob@exp-math.uni-
30 essen.de>. The exact source of the referenced demo as well as of the
31 original documentation is unknown.
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33 It is very likely that both are at least to some extent are due to Harm
34 Hanemaayer <H.Hanemaayer@inter.nl.net>.
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36 Occasionally this might be wrong. I hereby asked to be excused by the
37 original author and will happily accept any additions or corrections to
38 this first version of the svgalib manual.
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42Svgalib (>= 1.2.11) 2 Aug 1997 gl_setscreenoffset(3)