On 14 Aug 2008, at 21:53, Thomas Hilber wrote: > a good idea, but in the case of 'xserver-xorg-video-ati' true hardware > double buffers are supported. If a new PutImage() comes in the DDX > simply > toggles to the other double buffer and starts to write there. No > matter > this buffer ever has been completely read by CRT controller. > > So there is no mechanism waiting here for something as far as I can > see. Since you're using the vsync irq in any case, the best solution would be to notify user space at irq time that it should 'PutImage' a new frame. -- Torgeir Veimo torgeir@xxxxxxxxx _______________________________________________ vdr mailing list vdr@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
