Pierre, Thanks for the response. osgviewer works as expected. It must be something like you describe in the initialization.
Thanks Scott On Tue, Sep 29, 2009 at 2:50 AM, Pierre Bourdin (gmail) <[email protected]> wrote: > Hi Scott, > does it works with osgviewer ? > > something like > > osgviewer --stereo QUAD_BUFFER cow.osg > > should display the cow in stereo without any error... > > Also I can't remember it exactly, but I think you have to re-init the > context or something like this when switching to quadbuffer stereo... > When switching in other stereo mode it is not necessary... > > Maybe others can be more helpful... > > Pierre. > > Le lundi 28 septembre 2009 à 17:42 -0500, Scott Senften a écrit : >> HI all, >> >> I'm having two difficulties with osgviewerQtWidget on linux, and I was >> hoping someone else may have already seen this and can give me some >> insight as to my troubles. >> >> In main.cpp, I added the following lines to turn on quadbuffer stereo. >> >> >> QPointer<testMainWin> myMainWindow = new testMainWin; >> >> #if DO_OUTBOARD_WINDOW >> QPointer<testOutboardWin> mySecondaryWindow = new testOutboardWin; >> #endif >> >> /* added these 3 lines */ >> osg::DisplaySettings* ds = osg::DisplaySettings::instance(); >> ds->setStereo( true ); >> ds->setStereoMode( osg::DisplaySettings::QUAD_BUFFER ); >> >> // The .ui file uses the "Promoted" widget, CompositeViewerQOSG >> osg::ref_ptr<CompositeViewerQOSG> compositeViewer = >> myMainWindow->ui.osgGraphicsArea; >> >> osg::ref_ptr<ViewQOSG> view1 = new ViewQOSG( >> myMainWindow->ui.graphicsView1 ); >> view1->setObjectName("ViewQOSG 1"); >> >> >> When I do so, I get the following warning/error >> >> Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,) >> >> quadbuffer stereo is anabled on the system and I have other OGL apps >> that work as expected. It appears that the context is valid but I >> haven't been able to retrieve the visual it thinks it's using to see >> if it's picked an appropriate one. >> >> ANAGLYPHIC stereo works as expected. >> >> My other issue is trying to get a visual with alpha. Similarly... >> >> QPointer<testMainWin> myMainWindow = new testMainWin; >> >> #if DO_OUTBOARD_WINDOW >> QPointer<testOutboardWin> mySecondaryWindow = new testOutboardWin; >> #endif >> >> /* added these two lines */ >> osg::DisplaySettings* ds = osg::DisplaySettings::instance(); >> ds->setMinimumNumAlphaBits( 1 ); >> >> // The .ui file uses the "Promoted" widget, CompositeViewerQOSG >> osg::ref_ptr<CompositeViewerQOSG> compositeViewer = >> myMainWindow->ui.osgGraphicsArea; >> >> osg::ref_ptr<ViewQOSG> view1 = new ViewQOSG( >> myMainWindow->ui.graphicsView1 ); >> view1->setObjectName("ViewQOSG 1"); >> >> >> This gives me >> >> X Error: BadMatch (invalid parameter attributes) 8 >> Extension: 143 (Uknown extension) >> Minor opcode: 5 (Unknown request) >> Resource id: 0x6400026 >> Error: In Texture::Extensions::setupGLExtensions(..) OpenGL version >> test failed, requires valid graphics context. >> Segmentation fault >> >> which I'm assuming is because the context is either invalid or not current. >> >> If anyone has seen these problems and has some insight, I'd be >> grateful for your experience. >> >> Thanks >> >> Scott >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Pierre BOURDIN > I.M.E.R.I.R. > Av. Pascot BP 90443 > 66004 PERPIGNAN > tél: 04 68 56 84 95 > fax: 04 68 55 03 86 > email: [email protected] > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
