On Fri, 30 May 2003 13:16:54 +0100 Asier Goikoetxea Yanci <[EMAIL PROTECTED]> babbled:
> Hi there, > > I have writen an application to scroll a text on a window (just like kbanner > screen saver but on a window). I provide different texts and the program > scrolls them one after the other quite smoothly. > > However, there is an issue that I didn't manage to solve, flickering. I've > been searching and I found that the flickering is caused because the print is > not synchronised with the vertical frecuency/signal (or at least is what I > understood). It seems that printing the text on the screen/window when vblank > is happening solves the problem of flickering. And it seems that I have to > use SYNC extension in order to solve this problem. Am I right? Correct me > please if I am wrong. > > Well, the thing is that I have not clue on how to use SYNC extension, not even that still wont solve the problem. use double buffering. draw to a pixmap - then when drawing is done copy it to the window. > if it would solve my problem. Any suggestion is wellcome. > > Thank you. > > Asier > _______________________________________________ > Devel mailing list > [EMAIL PROTECTED] > http://XFree86.Org/mailman/listinfo/devel -- --------------- Codito, ergo sum - "I code, therefore I am" -------------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] [EMAIL PROTECTED] Mobile Phone: +61 (0)413 451 899 Home Phone: 02 9698 8615 _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
