Hi Guy, If you destroy a window then all the OpenGL objects associated with it will be removed. If you are using 2.0/osgViewer it should be able to automatically release the OpenGL objects and reallocated them on the new graphics context.
Which verison of the OSG/viewer library are you using? Robert. On 9/25/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Hi Robert, > in my application I have the scene graph in some variable, and a camera in > another variable, then I attach it to viewer, in multi-document window. > After I close the window, the scene graph & the camera are still alive. > The next time I want to attach them to a new window I get OpenGL error that > the frame buffer object is not complete (and nothing is drawn), so I wanted > to force the renderstage to re-create it, and achieved this by setting the > rendering cache of the existing camera to NULL. > > I just wanted to know if there is another and better way to deal with this > problem, and also if you know why the FBO was defected after the window was > closed. > > thanks, > Guy. > ----- Original Message ----- > From: "Robert Osfield" <[EMAIL PROTECTED]> > To: "OpenSceneGraph Users" <[email protected]> > Sent: Monday, September 24, 2007 3:04 PM > Subject: Re: [osg-users] FBO > > > > Hi Guy, > > > > Have a look at the osgprerender example. You shouldn't need to set > > anything related to the render cache is this is managed internally. > > > > Robert. > > > > On 9/24/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > > > > > > > > OK, I got over it but I'm not sure that was the best way. > > > What I did was to set the camera rendering cache (for the related > contextID) > > > to NULL, so the next time the cull visitor applied on the camera, it > > > recreated the FBO. Any other ideas? > > > thanks, > > > Guy. > > > > > > ----- Original Message ----- > > > From: [EMAIL PROTECTED] > > > To: [email protected] > > > Sent: Monday, September 24, 2007 1:51 PM > > > Subject: [osg-users] FBO > > > > > > > > > Hi, > > > How do I enforce a camera to recreate FBO attached to the color buffer? > > > > > > thanks, > > > Guy. > > > > > > ________________________________ > > > > > > > > > _______________________________________________ > > > 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 > > > > > > > > _______________________________________________ > > 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 > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
