Hi Guy, 2.x and 1.2 and substantially different when it comes to management of clean up of graphics contexts.
I suggest you upgrade, your problems might be fixed right away, but if not then there is much better chance that others will be able to support you. Robert. On 9/25/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > I'm using the OSG 1.2 version, but I have the code of the OSG2.0 to compare > with, and the clean up is similar. I also try to keep the questions not > specific to the 1.2 implementation > I noticed that on the clean_frame, the pass over the scene doesn't get to > all the objects for some reason. For example, it releases only one texture > object while there suppose to be two, and it gets only to one camera of the > pair of RTT and show texture on screen cameras. > and I'm now debugging it. Maybe I changed the scene and lose pointers to > objects somewhere... > > Could it be that since one of the camera is pre-render and the other is > nested, that the cleanup get only to the nested rendered camera? > > thanks, > Guy. > > > ----- Original Message ----- > From: "Robert Osfield" <[EMAIL PROTECTED]> > To: "OpenSceneGraph Users" <[email protected]> > Sent: Tuesday, September 25, 2007 10:10 AM > Subject: Re: [osg-users] FBO > > > > 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 > > > _______________________________________________ > 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
