Hello Gerrit,

kind of you to spend your time on that problem!

I have looked into our code and currently we have the following render 
order:

1. Draw all non OpenSG GL graphics
2. Draw OpenSG
3. Possible draw some XOR stuff in GL

I can't actually remember why we have chosen this order instead of 
rendering OpenSG first.

I have just tried to change the order of 1 and 2 and normal rendering 
seems to be fine at first glance. But with shadows the z-buffer problem 
pop up immediately.

On 24.01.2013 10:48, Gerrit Voß wrote:
>
> ok I cleaned and pushed this part, if you set
> ShadowStage::_sfBlitZBuffer to true the ShadowStage will leave a
> filled ZBuffer behind.
>
I will test that at once.

Best,
Johannes




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