[Qt-interest] Performance issues with Graphics View Framework

[Srdjan Todorovic]

Hi,

On 20/07/2009, Simone Artesino <mlist.sa at gmail.com> wrote:
> I've got a terrible performance degradation when switch Viewport from
> QWidget to QGLWidget. The same qt code (no opengl calls in it) that make a
> simple animation, it runs 10 times slower (from 40 fps to 4 fps). On the

Are you running OpenGL in software-only mode?
I know from playing games in Linux, that if you do not have hardware
accelerated OpenGL, things are very very slow.

Hope that helps,
Srdjan