Re: [Opensg-users] IDBuffer

[Carsten N. <car...@gm...>]

	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