Hi Terry, I was generating all my geometry in code so I wrote some custom code to pack them tightly into a single vertex array.
Jason On Mon, Jan 3, 2011 at 1:05 PM, Terry Welsh <[email protected]> wrote: > Hi Jason, > Thank you for the suggestion. I feel like I'm missing something > still. Is there an Optimizer feature or something that combines > Arrays for you? Or did you write a bunch of custom code that > processes your models after you load them? > -- > Terry Welsh > mogumbo 'at' gmail.com > www.reallyslick.com > > > >> Message: 3 >> Date: Sun, 2 Jan 2011 21:28:12 -0500 >> From: Jason Beverage <[email protected]> >> To: OpenSceneGraph Users <[email protected]> >> Subject: Re: [osg-users] large VBOs for multiple Drawables >> Message-ID: >> <[email protected]> >> Content-Type: text/plain; charset=ISO-8859-1 >> >> Hi Terry, >> >> You can pack the verts of your small objects into a single >> osg::Vec3Array and share that array across multiple osg::Geometry >> objects then use DrawElements for each geometry with the correct >> indices. I've just recently done this actually for a project I'm >> working on and it's worked out great. >> >> Thanks, >> >> Jason >> >> On Sat, Jan 1, 2011 at 6:21 PM, Terry Welsh <[email protected]> wrote: >>> I found some email threads that hinted at this a little, but nothing >>> seemed very specific. ?I have scenes where display lists perform a bit >>> better than VBOs. ?My best guess is because my objects have relatively >>> small vertex counts (usually between 20 and 200). ?Is there any way in >>> OSG to use one large VBO to store the date for multiple Drawables in >>> order to minimize buffer state changes? >>> -- >>> Terry Welsh >>> mogumbo 'at' gmail.com >>> www.reallyslick.com >>> _______________________________________________ >>> 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
