[Qt4-preview-feedback] Zero width pens and QGraphicsItem's on a QGLWidget viewport

[Samuel Rødal]

Randy wrote:
> Lines with zero width that are drawn from QGraphicsItem::paint() when a 
> QGLWidget is used as the viewport do not appear on screen. They appear 
> correctly if a QGLWidget is not used as the viewport.
> 
> In either case calling QWidget::render() does draw the line cosmetically.

Can you try the chips demo and see if you see any significant difference 
when OpenGL is enabled there? From what I can tell zero width lines are 
rendered correctly there. Perhaps you could provide a small example that 
demonstrates the bug?

--
Samuel Rødal