[Interest] Hardware accelerated rendering in Qt 5.13
rama.kesi at gmail.com
Thu Feb 13 18:26:29 CET 2020
Thanks for your mail.
Whether it makes sense to go for accelerated QPainter for 2D graphics by
replacing QWidget with QOpenGLWidget?
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
> > 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.
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