void apply(osg::Program& program, osg::Shader& shader) { if (_visited.count(&shader)!=0) return; _visited.insert(&shader); osg::notify(osg::NOTICE)<<"Shader "<<shader.getTypename()<<" ----before-----------"<<std::endl; osg::notify(osg::NOTICE)<<shader.getShaderSource()<<std::endl; if (shader.getType()==osg::Shader::VERTEX) convertVertexShader(program, shader); else if (shader.getType()==osg::Shader::FRAGMENT) convertFragmentShader(program, shader); osg::notify(osg::NOTICE)<<"--after-----------"<<std::endl; osg::notify(osg::NOTICE)<<shader.getShaderSource()<<std::endl; osg::notify(osg::NOTICE)<<"---------------------"<<std::endl; }