From: Matan Ziv-Av (matan@svgalib.org)
Date: Sun 09 Jan 2000 - 22:29:10 IST
On Sun, 9 Jan 2000, Neil Stewart wrote: > I need a way to control the copying from a virtual screen to the physical > screen (using gl_copyscreen() or the like) so that copying takes place > during the time the monitor's electron beam is moving from the bottom right > of the screen back to the top left corner of the screen to begin redrawing > (the flyback time). > > Can you tell me whether this is done automatically in the copying routines? > If it is not, are there any functions I can use to either report the > position of the beam, or that wait for the beam to reach the bottom right > corner of the screen before returning? I think vga_waitretrace does what you want. -- Matan Ziv-Av. matan@svgalib.org
This archive was generated by hypermail 2.1.4 : Wed 21 Jan 2004 - 22:10:23 IST