[Interest] Hardware accelerated rendering in Qt 5.13

Allan Sandfeld Jensen kde at carewolf.com
Tue Feb 4 09:22:16 CET 2020

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.


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