Test code for QPainter/QGraphicsScene rendering on QOpenGLWidget composited with GL rendering performed in QOpenGLWidget.paintGL.
Test code for QPainter/QGraphicsScene rendering on QOpenGLWidget composited with GL rendering performed in QOpenGLWidget.paintGL.

erikhvatum/RisWidget,zpincus/RisWidget,zpincus/RisWidget,erikhvatum/RisWidget