Hi Harry, The OSG by default is built around rendering to one FBO onces per frame, I'd recommend not trying to get too clever with trying to reuse FBO's within one frame.
Robert. On 3 September 2012 10:15, Harry Li <[email protected]> wrote: > Hi, > > I have three pre-rendered render-to-texture cameras using frame-buffer-object > to generate a final texture for me at each frame. It works fine, but now I > want them to do the generation multiple times per frame, can you give me some > hints? > > I've tired the following methods but none of them works: > 1. To allow the group of cameras have multiple parents which belong to the > same root, so that the group of camera can be reused, but I'm afraid the > calculation of different path may be carried out simultaneously. Anyway, the > results is not as expected. > > 2. To use osg::Sequence to group these cameras and setup it like this: > > Code: > seq->setInterval(osg::Sequence::LOOP, 0, -1); > seq->setNumRepeats(times_of_render_per_frame); > > > This also doesn't work out. > > I was wondering whether it's due to the bugs in my code or simply I cannot > use the osg in such a way. > > > ... > > Thank you! > > Cheers, > Harry > Code: > > > > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=49723#49723 > > > > > > _______________________________________________ > 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
