[osg-users] Bug in Cull Visitor

[Gedalia Pasternak]

Does that mean it’s used incorrectly in
OcclusionQueryNode::getPassed()? That was what I was basing my
understanding on.
Gedalia


On Sun, May 13, 2018 at 10:57 AM Robert Osfield <robert.osfield at gmail.com>
wrote:

> Hi Gedalia,
>
> On 13 May 2018 at 15:27, Gedalia Pasternak <gpasternak at mak.com> wrote:
> >    But won’t just simply removing it mean that adding a render leaf will
> be
> > changing what the current frame is?
>
> TraversalNumber is local value to a visitor it isn't a the frame
> number, this is retrieved with the osg::FrameStamp::getFrameStamp().
>
> >  For occlusion nodes I’ve realized that it’s not currently possible to
> use
> > them within instanced hierarchy without tracking which traversal
> generated a
> > given query, the cull visitor traversal index (along with other changes)
> can
> > help disambiguate which draw query it was.
>
> The FrameStamp is probably what you should be using, it's attached the
> CullVisitor and the osg::State as well as the viewer.
>
> Robert.
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