Hi, I have the same issue on my ATI laptop but it is not happening on NVIDIA machines
Nick On Wed, Jan 22, 2014 at 1:58 PM, Robert Osfield <[email protected]>wrote: > Hi Micahel, > > It could be a big with the GLCompileVisitor not cleaning up on the state > it's compiling. Could you create a small example that illustrates this > problem - such as modifiying one the OSG examples such as osgshape so it > can reproduce the error. With such an example I can then step through what > is being set and work out what might be going on, and what needs to be done > to address the issue. > > Robert. > > > On 22 January 2014 10:33, Michael Bach Jensen <[email protected]> wrote: > >> Hi, >> >> During development of a new shader-based point-rendering system I started >> getting "INVALID_OPERATION at start of State::apply(StateSet*)" for the >> first rendered frame (subsequent frames are OK). >> >> The scene consists of a geode, shapedrawable box (no stateset/fixed >> function pipeline) and the point rendering node (shader pipeline) both >> under the same parent group. When rendering, the box is drawn before the >> points. >> >> It turned out to be due to my point shader being active for the box. The >> shader becomes active (by mistake?) as a result of the renderer calling >> compile(). >> >> Adding a stateset to the box node with an empty program fixes the issue >> since it forces fixed function into effect before drawing the box. >> >> It would be nice to avoid this initial INVALID_OPERATION message. >> >> Has anyone else encountered this or something similar? It looks like a >> bug to me. What do you think? >> >> Thank you! >> >> Cheers, >> Michael >> >> ------------------ >> Read this topic online here: >> http://forum.openscenegraph.org/viewtopic.php?p=57951#57951 >> >> >> >> >> >> _______________________________________________ >> 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 > > -- trajce nikolov nick
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