> Because when you don't have the VT, you don't have the hardware, so you > can't submit commands to it. We don't preserve the framebuffer when we > VT switch away, we just generate exposures for all windows when we > restore X. > > There was some debate about this way way back in like xfree86 4.0 or so. > I don't remember what the motivation was for what we've got now, but > it's what we do, so...
Speed of switching for one. Nothing like copying several megabytes of data from a PCI/AGP card via PIO to make life suck. Presumably GetImage should either block or cause a redraw into an offscreen pixmap ? _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
