Re: How synchronisation works in Framebuffer backend

2014-03-25 Thread Sannu K
On Sat, Mar 22, 2014 at 11:10 PM, David Herrmann wrote: > It doesn't. > > Don't use fbdev if you want vsync. > Okay. Thanks and Regards, Sannu K ___ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/lis

Re: How synchronisation works in Framebuffer backend

2014-03-22 Thread David Herrmann
Hi On Sat, Mar 22, 2014 at 6:33 PM, Sannu K wrote: > Hi, > > I was going through weston's framebuffer backend code. It does not call > FBIO_WAITFORVSYNC ioctl. > http://cgit.freedesktop.org/wayland/weston/tree/src/compositor-fbdev.c#n188 > says that it is not used intentionally. In this case, how

How synchronisation works in Framebuffer backend

2014-03-22 Thread Sannu K
Hi, I was going through weston's framebuffer backend code. It does not call FBIO_WAITFORVSYNC ioctl. http://cgit.freedesktop.org/wayland/weston/tree/src/compositor-fbdev.c#n188says that it is not used intentionally. In this case, how weston syncs frame with the framebuffer clock? How tearing is av