HI Daniel,
you can set an empty Program in the stateset instead of disabling it. This
way the subgraph will be rendered using the fixed pipe-line. Like
stateset->setAttributeAndModes( new osg::Program, on, override, whatever
)
Nick
On Fri, Feb 7, 2014 at 1:14 PM, Daniel Schmid wrote:
> Hi Robert and all
>
>
>
> I have a main shader for my scene graph. Then I have some parts of my
> loaded models that I want to explicitely render with the
> fixed-function-pipeline (FFP).
>
> In osg 3.1.5 I was able to modify a particular stateset by writing
>
>
>
> a_node.getOrCreateStateSet()->setAttributeAndModes(new osg::Program,
> osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED);
>
>
>
> Like this, the main shader was ignored for the the node and underlying
> children and the FFP was used.
>
>
>
> I don't know why but in OSG 3.2.0 this doesn't work anymore. I tried with
> osg::StateAttribute::OFF/ON etc. I just cant switch back to FFP .
>
>
>
> 1. What is the reason this behaviour changed?
>
> 2. What is the correct way to bypass/disable a shader at some
> particular point in the scene-graph?
>
>
>
> Thanks for help!
>
>
>
> Daniel
>
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--
trajce nikolov nick
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