On Thu, Sep 13, 2012 at 1:57 AM, Samuel Rødal <[email protected]> wrote: > On 09/12/2012 04:33 PM, ext Chris Meyer wrote: >> On Tue, Sep 11, 2012 at 9:52 PM, Chris Meyer <[email protected]> wrote: >>> My software makes use of accelerated drawing using the techniques with >>> QGraphicsView and QGraphicsScene shown in this article: >>> >>> http://doc.qt.nokia.com/qq/qq26-openglcanvas.html >>> >>> Unfortunately things don't work smoothly under Qt 5.0. >>> >>> Is this technique expected to work? If not, what is the suggested way >>> to get accelerated drawing under Qt 5.0? > > It should still work, though there could still be bugs at this stage. > >>> Also, QGLPixelBuffer::hasOpenGLPbuffers() always returns false, where >>> it returned it true under 4.8. Is this also expected? > > Hmm, I see that for now the QGLPixelBuffer implementation is stubbed out > in Qt 5. I'd recommend using QOpenGLFramebufferObject instead, as pixel > buffers are a pretty deprecated way of doing offscreen rendering with > OpenGL these days. > >> As a further isolation of this problem... I'm finding that adding a >> QGLWidget (not even customized) into my view hierarchy (QMainWindow -> >> QWidget/QVBoxLayout -> QStackedWidget -> QWidget/QVBoxLayout -> >> QGLWidget) makes bad things happen to layouts, displays and mouse >> handling. >> >> Anyone have success with QGLWidget in a complex hierarchy on Qt 5.0 / >> Mac OS 10.8.1? Any known issues? >> >> This issue looks similar, but I'm seeing it on the Mac: >> https://bugreports.qt-project.org/browse/QTBUG-26826 > > I'd suggest you create a separate task for it, with a simplified example. > > -- > Samuel
I've filed a bug and built a short test program to demonstrate on bug with QGLWidget: https://bugreports.qt-project.org/browse/QTBUG-27214 _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
