gl_setscreenoffset3
Set a memory offset for copyscreen
Usage
#include <vgagl.h>
void gl_setscreenoffset(int o);
Overview
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).
Releases
Unchanged in 5 releases since Debian 3.1 (Sarge).