Use hardware sprite plane as overlay

[Cao Duc Quan]

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 <jstpierre at mecheye.net>
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 <caoducquan at gmail.com>
> 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
> >
> > _______________________________________________
> > xorg-devel at lists.x.org: X.Org development
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>
>
>
> --
>   Jasper
>



-- 
Quan Cao
0976574864
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