Ok done... makeCoredNode<Group>() right? Still nothing changed...I
think it's my shaders' fault :D
Erik
2009/3/11 Erik Podetti <[email protected]>
> How do I create a dummy node? via makeCoredNode() ? with which argument?
>
> 2009/3/11 Erik Podetti <[email protected]>
>
> It complained for the empty field...I'll try with the dummy group core
>> node...thank you!
>>
>> Erik
>>
>> 2009/3/11 Carsten Neumann <[email protected]>
>>
>> Hello Erik,
>>>
>>> Erik Podetti wrote:
>>> > As I'm doing deferred shading pass using textures + FBO +
>>> > PolyForeGrounds, in many cases when I launch the render action for an
>>> > FBO I don't need to traverse the graph any more.
>>> > My FBOs usually have a PolyForeground while rendering. My question
>>> is...
>>> > - how can I know if they traverse the graph or not? I put in
>>> > fbo->getExcludeNodes.push_back() the root node of my scene, but
>>> there
>>> > were no performance improvements.
>>>
>>> I haven't double checked, but I think this only excludes the actual node
>>> listed, not the subtree, not sure though.
>>>
>>> > - May I use a trav mask on the render action? Can you give me an
>>> example
>>> > of travmask?
>>>
>>> yes, trav masks would work. The RenderAction only visits a node and its
>>> subtree if the bitwise AND of its own trav mask with that of the node is
>>> non-zero. Setting the root's trav mask to 0 excludes it.
>>> But why do you have your whole scene set as a root on the FBOViewport to
>>> begin with? If you just leave the root field empty (or if it complains
>>> put in a dummy node with a group core) it should not render anything.
>>>
>>> Cheers,
>>> Carsten
>>>
>>>
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>>
>>
>
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