Thanks Robert According to the git log:
> commit 57a0065d08b3aa5b06da54a7b78ea2ae36cb2c9a > Author: Robert OSFIELD <> > Date: Thu Oct 28 14:04:57 2010 +0000 > > Added use ObjectWrapper's FinishObjectReadCallback to fix > VertexBufferObject handling in osg::Geometry > and a call to the TileLoaded callback in osgTerrain. > > But -and perhaps I haven't investigated enough- I still don't understand what problem with VertexBufferObject it fixed... robertosfield wrote: > Hi Julian, > > I have a vague recollection that this callback had to be used to force > the VBO to be built or something along those lines. Off the top of my > head I don't recall the exact problem that instigated the change and > the contributor that came up with this solution. Perhaps git log for > the files in question might help piece together why it's done. > > Robert. > > On 20 May 2016 at 17:35, Julien Valentin <> wrote: > > > Hi,all > > I would like to provide osg TransformFeedback serialization feature but > > something weird forbid BufferObject serialization: > > This callback calls setUseVertexBufferObjects(false) and just kill all > > BufferObject attached the geometry's BufferDatas > > > > > > Code: > > struct GeometryFinishedObjectReadCallback : public > > osgDB::FinishedObjectReadCallback > > { > > virtual void objectRead(osgDB::InputStream&, osg::Object& obj) > > { > > osg::Geometry& geometry = static_cast<osg::Geometry&>(obj); > > if (geometry.getUseVertexBufferObjects()) > > { > > geometry.setUseVertexBufferObjects(false); > > geometry.setUseVertexBufferObjects(true); > > } > > } > > }; > > > > > > I don't understand the utility of this callback (surely because I want to > > remove it:) ) > > Does anyone know its purpose? > > > > Thank you! > > > > Cheers, > > Julien > > > > ------------------ > > Read this topic online here: > > http://forum.openscenegraph.org/viewtopic.php?p=67181#67181 > > > > > > > > > > > > _______________________________________________ > > osg-users mailing list > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > ------------------ > Post generated by Mail2Forum ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=67204#67204 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org