That I do not know. But I do recall that my original DI implementation tried to use UBOs, and I ditched them in favor of TBOs because of the size limitations.
Glenn Waldron On Fri, Apr 15, 2016 at 6:09 PM, sam <[email protected]> wrote: > Would there be a big performance difference between using a TextureBuffer > Object and a UniformBuffer object? > > Thanks, Sam > > On Fri, Apr 15, 2016 at 1:15 PM, sam <[email protected]> wrote: > >> Doh! Thanks, Glenn. Unfortunately I still have some holes in the map but >> its starting to look considerably better. I will definitely looking to >> using a TextureBuffer. >> >> On Fri, Apr 15, 2016 at 12:50 PM, Glenn Waldron <[email protected]> >> wrote: >> >>> Sam, >>> I think you are not calling setNumElements() on your uniform array. You >>> could also do that in the osg::Uniform constructor. >>> >>> Anyway, a uniform array of matrices is going to be limiting in terms of >>> scale and speed -- I'd recommend a buffer object instead. (osgEarth uses an >>> osg::TextureBuffer.) >>> >>> >>> Glenn Waldron >>> >>> On Fri, Apr 15, 2016 at 2:35 PM, sam <[email protected]> wrote: >>> >>>> Hi All, >>>> >>>> I'm having some trouble getting my code to use hardware instancing. >>>> I've referenced OSGEarth, DrawInstanced example, and a few different code >>>> samples on the web. I've gotten pretty close but I seem to be at a bit of >>>> an impasse. >>>> >>>> This screenshot shows what the map looks like with the default >>>> rendering: >>>> >>>> http://imgur.com/fKvunfd >>>> >>>> This screenshot shows what the map looks like after I apply my instance >>>> rendering code to it: >>>> >>>> http://imgur.com/zZCzurr >>>> >>>> The map is composed of a lot of little nodes. I figured instanced >>>> rendering would be helpful in this case. The map has ~4000 individual >>>> nodes. Two of the nodes are repeated 465 and 266 times. I have trimmed down >>>> my code and it is posted here: >>>> >>>> http://pastebin.com/ifSVSzD6 >>>> >>>> From what it looks like. Its rendering one copy of every nodes but not >>>> anymore that that. I have commented out lines 215 to 224 as it doesn't work >>>> at all. Any insight or help would be greatly appreciated. >>>> >>>> Thanks, Sam >>>> >>>> _______________________________________________ >>>> 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 > >
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