Hi Robert,
Thanks for your help. I could finally get it to work. Now the OSG renders in a separate thread from the QT4 main thread into a QGLWidget. I have tweaked the current osgSimpleViewerQT4 example and attached my modified version osgSimpleViewerQT4_MT to this mail for the osg community. The main issue with this solution is that it only runs at Win32 systems as it needs to create an platform dependent osgViewer::GraphicsWindowWin32::WindowData. It would be great to have a platform independent possibility to pass Window Handle to the GraphicsContext (as it was possible with Producer). I also found a bug at your SimpleViewerQT4 implementation. The mouse positions from the QT mouse events have to be converted to virtual coordinates before passing them to the osgGA::EventQueue. This fix is also integrated in the attached version. Thanks, Daniel Kallfass ________________________________ Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von Robert Osfield Gesendet: Donnerstag, 3. Mai 2007 16:38 An: osg users Betreff: Re: [osg-users] Problems porting Producer to osgViewer Hi Daniel, I have heard others being successful at getting this working, but don't have the code first hand. My best guess would be to try adding a realize(); before the frame loop. If you get it working then perhaps you could tweak the OSG's QT example to work using this method :-) Robert. On 5/3/07, Kallfass, Daniel, SDGE1 <[EMAIL PROTECTED]> wrote: Robert, > Yes, but its only support under Windows so far. X11 and OSX will come along later. > What you do is create a osg::Traits object with osgViewer::GraphicsWindowWin32::WindowData attached to it. Thank you very much for your response with the hint to use WindowData. I have tried the following code, but I still get an exception when OSG tries to render a scene: MyThread::run() { osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; traits->x = 0; traits->y = 0; traits->width = width(); traits->height = height(); traits->windowDecoration = false; traits->doubleBuffer = true; traits->sharedContext = 0; osg::ref_ptr<osgViewer::GraphicsWindowWin32::WindowData> wdata = new osgViewer::GraphicsWindowWin32::WindowData( internalWinId() ); //Pass QT QWidget WindowHandle traits->inheritedWindowData = wdata.get (); osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); gc->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f)); gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); getCamera()->setGraphicsContext(gc.get()); while( true ) { frame(); } } I get an exception at lightmodel::apply line 55 at lightmodel.cpp: static bool s_separateSpecularSupported = strncmp((const char*)glGetString(GL_VERSION)," 1.2",3)>=0; which points to an invalid OpenGL context. > arghhgh my RSI is killing me, could someone else jump in here and explain. Sorry for my painful question. Get well soon! Thanks, Daniel _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
osgSimpleViewerQT4_MT.cpp
Description: osgSimpleViewerQT4_MT.cpp
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