[Qt-interest] Screen flicker using -graphicssystem opengl

[Alexis Ménard]

On Wednesday 20 May 2009 06:57:03 Karol Krizka wrote:
> On Wed, 2009-05-20 at 01:00 +0530, Malcolm Sequeira wrote:
> > Hi,
> >
> > I am developing a software, that has a lot of animations.
> > For this I use a QGraphicsScene to display all the QGraphicsItems.
> > Most of the animations are only moving the QGraphicsItems around the
> > screen.
> >
> > This software is deployed on an embeded linux system.
> > Using native rendering the animations do not appear as smooth, as
> > compared to using '-graphicssystem opengl.'
> >
> > However the problem with the using '-graphicssystem opengl' is, it
> > causes the screen to flicker a lot.
>
> I've run into the same problem a while ago on both Windows and Linux, so
> this problem is not restricted to embeded systems only. I've reported
> the problem on this list a while ago, but I'm yet to receive a reply. So
> if you find a solution, let me know.
>

-graphicssystem opengl is an experimental feature, those issues might be 
because of that. If you have a simple test that would be nice.

> --
> Cheers,
> Karol Krizka
> http://www.krizka.net
>
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-- 

Alexis Ménard
Software Engineer, Widgets Team 1
Qt Software, Nokia Norge AS, Sandakerveien 116, 0484 Oslo, Norway
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