Hello Michael,
On 03/20/2014 06:31 AM, Michael Raab wrote:
> Hi, this issue is solved, too.
> this->_ract->registerEnterFunction(OSG::Geometry::getClassType(),
> boost::bind(IDBufferSelectionHelper::onEnterGeometry, _1, _2));
> did the job. Thus IDbuffer selection via back buffer rendering works again.
ok, great. $DAYJOB and a traffic jam on the way home ate up all my time
to look into this yesterday.
> What I would like to achieve additionally is do the selection via
> FrameBufferObject.
> Looking at the source code and examples I have no clue to render a or
> several viewports to a FBO.
> Can someone give a hint or some code snippet?
In Examples/Simple/fbotexture.cpp is code that shows how to use the
SimpleStage to redirect rendering into a texture - I think that should
cover most (all?) that is needed to use it for colour selection as well.
Cheers,
Carsten
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