Hi Frank, You can share a single osg::Vec3Array between multiple osg::Geometry, in the lastest OSG in svn/trunk and the 2.9.x dev series the buffer object support should also be flexible enough for you to manually specify the VBO for that particular Vec3Array.
Robert. On Wed, Sep 8, 2010 at 7:01 PM, Frank Sullivan <[email protected]> wrote: > Hello there, > > IIRC, OpenGL allows you to stuff several meshes into a single VBO, and then > when it comes time to draw a mesh, you can specify an offset into this VBO > along with the number of primitives to draw, in essence drawing only a subset > of this VBO at a time. > > I was wondering if this same functionality is exposed in OpenSceneGraph? What > I'd like to do is something like this: stuff the vertex positions into a > single Vec3Array, and hand this array over to a single Geometry object. Then, > instantiate one or more Geodes that each share this Geometry object, but each > draws only a subset of the Geometry (each possibly drawing a different > subset). Is this possible? > > Thank you! > > Cheers, > Frank > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=31431#31431 > > > > > > _______________________________________________ > 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
