[osg-users] How does OSG pass in the correct incoming ModelViewProjectionMatrix using SHAder version 330?

[OpenSceneGraph Users]

 osg::Uniform* modelViewProjectionMatrix = new 
osg::Uniform(osg::Uniform::FLOAT_MAT4, "MVP");
        osg::Matrixd  model = osg::Matrixd::identity();
osg::Matrix mat = model  * viewCamera->getViewMatrix() * 
viewCamera->getProjectionMatrix() ;
modelViewProjectionMatrix->set(mat);


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