On Mon, 13 Feb 2006, Barry Scott wrote: > I have a text scrolling app that is not playing smoothly. > > Attempting to update the windows on a timer is not keeping my changes in > sync with the monitors refresh. This is causing visual glitches. > > What mechanisms can I use to lock my changes to the monitor refresh rate? The only mechanism I know of is OpenGL. Most OpenGL drivers have a mechanism to allow buffer swapping at vblank. > If I use DBE is it going to change the screen in the vertical blanking > interval? > No, it won't. At least not in the XFree86/X.org implementations. Mark. _______________________________________________ Devel@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/devel
