The only currently supported mechanism for using hardware overlays is video planes through VDPAU / VA-API.
Xorg does not have any other supported mechanism for using hardware overlays. Try looking at Wayland, which can have support for hardware planes. On Fri, Dec 25, 2015 at 8:29 AM, Cao Duc Quan <[email protected]> wrote: > Dear all, > I am studying the Graphics stack in linux. > I found that the Intel Baytrail E38xx support 2 pipe display and each pipe > has > - 1 x primary plane > - 2 x sprite plane > - 1 x cursor plane > > Is it possible to use sprite plane as overlay plane which means we can > render UI to sprite plane (for example QT could render Widget to sprite > plane) ? If so, could any one point me to some a sample code or any > documents ? > > Many Thanks, > -- > Quan Cao > 0976574864 > > _______________________________________________ > [email protected]: X.Org development > Archives: http://lists.x.org/archives/xorg-devel > Info: http://lists.x.org/mailman/listinfo/xorg-devel -- Jasper _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
