Le mardi 29 septembre 2009 à 13:55 -0600, Craig Matsuura a écrit : > On Tuesday 29 September 2009 8:09:16 am Lionel Landwerlin wrote: > > > > > Usually, the copy is done by the blitter (DMA). So it's equivalent > to > > pan/flip in term of CPU usage, unless you want to use your blitter > at > > its maximum performance for OSD composition. > > In that case, you have to keep in mind you can only pan/flip on > vSync. > > If you flip faster, you will have flick on screen. > Which blitter are you referring too? > >
I'm working with ST Microelectronic 71xx chips for set top box products. It provides a 2D Blitter (kind of DMA). -- Lionel Landwerlin <lionel.landwer...@openwide.fr> _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
