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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powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
easily build your RIAs with Flex Builder, the Eclipse(TM)based development
software that enables intelligent coding and step-through debugging.
Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
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