Hello Michael,

On 01/23/2012 07:47 AM, Michael Raab wrote:
> Node
>    - MatGroup1
>     - Geo1
>    - MatGroup2
>     - Geo2
> Node
>    - MatGroup3
>     - Geo3
>     - Geo4
>
> Geo1 and Geo2 are rendered correctly, Geo3 and Geo4 are rendered with
> wrong material.

which material is used for Geo3, Geo4? One from MatGroup1, MatGroup2 or 
something different entirely? Is the used material for Geo3, Geo4 view 
dependent?

> A huge problem is that this happens only in a large
> context, that means if I load only these two node structures everything
> seems to be fine. So producing some small and fancy example is currently
> unfortunately not an option. :-(
> I do not have any ideas where to start the search for the part that is
> broken inside the render tree. Does someone has any ideas how to proceed?

Hmm, I think the first thing to isolate should be if the error happens 
when constructing the DrawTree or when processing it: what material is 
used in MaterialDrawable::renderActionHandler() when calling dropFunctor()?

        Cheers,
                Carsten

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