Thanks Jasper. I plan to hook to QT embedded to make it use sprite plane buffer. I could make a tool (customized from modetest.c of libdrm) to render to sprite plane which are running in xorg.
Thanks and Happy New Year. cdq On Wed, Dec 30, 2015 at 2:52 AM, Jasper St. Pierre <[email protected]> wrote: > 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 > -- Quan Cao 0976574864
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