[Interest] Utilizing the GPU, how to start?

[Dmitry Volosnykh]

John, here you are: https://blog.qt.io/?s=vulkan&lang=en

On Wed, Jul 6, 2016 at 11:31 AM John C. Turnbull <ozemale at ozemail.com.au>
wrote:

> Just out of interest, has anyone within the Qt community or company
> considered Vulkan?
>
> It looks to me as though the future of low level graphics APIs is not
> OpenGL or Direct3D or Metal.
>
> It's Vulkan.
>
> > On 6 Jul 2016, at 17:53, Kai Koehne <Kai.Koehne at qt.io> wrote:
> >
> >
> >
> >> -----Original Message-----
> >> From: Interest [mailto:interest-bounces+kai.koehne=qt.io at qt-project.org
> ]
> >> [...]
> >> Multimedia and web rendering are a different story.  Others are better
> >> qualified to comment on the details of how WebEngine, QtMultimedia, and
> >> the older alternatives are implemented - but they are all wrappers
> around
> >> other libraries.  Just because widgets don’t render their own pixels on
> the
> >> GPU doesn’t mean those libraries can’t render the framed content on the
> >> GPU, AFAIK.  At least theoretically, but I’m not up-to-date on whether
> the
> >> widget implementations are currently doing that efficiently.
> >
> > QWeb_Engine_View indeed uses Qt Quick (and therefore potentially
> > the GPU) underneath , even for the widgets integration. So it might be
> worth
> > a try porting your app from Qt WebKit to Qt WebEngine (if only because
> > Qt WebKit is deprecated).
> >
> > For the video, it looks like QVideoWidget might benefit from OpenGL if
> > it's parent is a QOpenGL widget. Maybe you can experiment with this.
> > (I don't have first hand experience with QVideoWidget though).
> >
> >
> >
> > Regards
> >
> > Kai
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> > Interest at qt-project.org
> > http://lists.qt-project.org/mailman/listinfo/interest
>
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