[Interest] Hardware accelerated rendering in Qt 5.13

[Ramakanth Kesireddy]

Thanks for your mail.
Whether it makes sense to go for accelerated QPainter for 2D graphics by
replacing QWidget with QOpenGLWidget?

Best Regards,
Ramakanth

On Tue, 4 Feb, 2020, 13:52 Allan Sandfeld Jensen, <kde at carewolf.com> wrote:

> On Dienstag, 4. Februar 2020 03:26:12 CET Ramakanth Kesireddy wrote:
> > Hi,
> >
> > Our existing application is based on c++ widgets(QWidget) using QPainter
> on
> > Qt 5.13. As i understand Qpainter uses raster engine for graphics
> > rendering, Is there any means to make use of hardware accelerated
> > rendering(GPU) other than changing the complete Application code into Qt
> > quick or QGLWidget?
> >
> You can create a QOpenGLWindow or QOpenGLWidget and paint therein.
>
> You can also use QGraphicsView with a QOpenGLWidget as a viewport.
>
> In both cases an accelerated QPainter would then be used.
>
> 'Allan
>
>
>
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