[osg-users] dumptruck.osg and GL ES 2.0

Jordi Torres jtorresfabra at gmail.com
Wed Feb 10 01:43:41 PST 2016


Hi Jens,

Maybe you can try the gles pseudoloader. It optimizes models to be
compatible with gles. So when you read a model add ".gles" at the end to
use the pseudoloader.

Cheers.

2016-02-09 22:56 GMT+01:00 Sebastian Messerschmidt <
sebastian.messerschmidt at gmx.de>:

> Hi Jens,
>
> Can you disable the optimizer (there is some environment variable to
> disable it globally, but I don't recall the exact name) and see if the
> issue remains? Can you provide a stats-screenshot so we can see what might
> be going on?
>
> Cheers
> Sebastian
>
> Hi,
>>
>> I was trying to build a demo scene with our OSG (3.2 branch until commit
>> 44cf6b92d2) (OpenGL ES 2.0) and I noticed that when I load dumptruck.osg
>> (from
>> https://raw.githubusercontent.com/openscenegraph/osg-data/master/dumptruck.osg)
>> into osgviewer, the GL drawing operations seem to generate a heack of a lot
>> of calls to glDrawArrays (GL_TRIANGLE_STRIP, some_offset, 3), so rendering
>> each trianlge separately, causing a huge load on the system.
>>
>> Is that expected to happen or is there something odd with our
>> configuration or is that a bug?
>>
>> KR, Jens.
>> _______________________________________________
>> osg-users mailing list
>> osg-users at lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>



-- 
Jordi Torres
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20160210/6a56f7e6/attachment-0003.htm>


More information about the osg-users mailing list