NAME

       gl_setcontextvirtual - define a virtual context

SYNOPSIS

       #include <vgagl.h>

       void gl_setcontextvirtual(int w, int h, int bpp, int bitspp, void *vbuf);

DESCRIPTION

       Define  the  current  graphics context to have a width of w pixels, height h, bpp bytes per pixel, bitspp
       significant color bits per pixel (8, 15, 16 or 24), with the framebuffer at vbuf.  A 4  bytes  per  pixel
       context, with 24 significant color bits is also valid.

SEE ALSO

       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), currentcontext(3), gl_allocatecontext(3),
       gl_copyboxfromcontext(3),  gl_copyboxtocontext(3), gl_copyscreen(3), gl_freecontext(3), gl_getcontext(3),
       gl_setcontext(3),      gl_setcontextheight(3),      gl_setcontextvga(3),      gl_setcontextvgavirtual(3),
       gl_setcontextwidth(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.

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