It is similar to that one, although a resize call won't solve it in my case. But the situation is same as what David Eller wrote in his comment. After a makeCurrent() call, QGLContext::currentContext() and QGLWidget::context() won't be the same.
I forgot to mention that i use Win7, with msvc 11.0. Best regards, Csaba 2013/12/5 Sean Harmer <[email protected]> > On 05/12/2013 14:56, Csaba Csernai wrote: > > Hi everyone! > > > > I am working on a project, which uses openGL, but there is some glitch > > when i create a new instance of QGLWidget. It seems that somehow the > > QSurface::surfaceHandle() returns NULL, thus can't make the context > > active. > > Can anyone suggest when can this handle NULL? > > Is it this bug https://bugreports.qt-project.org/browse/QTBUG-35342 ? > > If so, work around is to add an explicit resize() before show(). > > Cheers, > > Sean > > > -- > Dr Sean Harmer | [email protected] | Senior Software Engineer > Klarälvdalens Datakonsult AB, a KDAB Group company > Tel. Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322) > KDAB - Qt Experts - Platform-independent software solutions > > _______________________________________________ > Development mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/development > -- Csaba Csernai C/C++ Software Developer Mediso Medical Imaging Systems Ltd. Hungary, H-1022 Budapest, Alsótörökvész 14.
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