Do you have an example of the shader that you used? On Mon, Apr 18, 2016 at 12:40 PM, Glenn Waldron <[email protected]> wrote:
> 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 >> >> > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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