[Interest] Hardware accelerated rendering in Qt 5.12.7

[Ramakanth Kesireddy]

Is there any attribute that can be set in QWidget which could use hardware
accelerated graphics or opengl paint device in Qt 5.12.7 without changing
the custom widgets deriving from QWidget?

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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