Changeset 8550

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Timestamp:
07/09/08 21:26:40
Author:
robert
Message:

Introduce a intersecion performance testing code path, #if def'd out for now.

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  • OpenSceneGraph/trunk/src/osgViewer/View.cpp

    r8398 r8550  
    18211821    osgUtil::IntersectionVisitor iv(picker.get()); 
    18221822    iv.setTraversalMask(traversalMask); 
     1823     
     1824     
     1825#if 1 
    18231826    const_cast<osg::Camera*>(camera)->accept(iv); 
     1827#else     
     1828 
     1829    // timing test code paths 
     1830 
     1831    iv.setUseKdTreeWhenAvailable(true); 
     1832    iv.setDoDummyTraversal(true); 
     1833 
     1834    const_cast<osg::Camera*>(camera)->accept(iv); 
     1835 
     1836    osg::Timer_t before = osg::Timer::instance()->tick(); 
     1837    const_cast<osg::Camera*>(camera)->accept(iv); 
     1838 
     1839    osg::Timer_t after_dummy = osg::Timer::instance()->tick(); 
     1840 
     1841    iv.setDoDummyTraversal(false); 
     1842    const_cast<osg::Camera*>(camera)->accept(iv); 
     1843    osg::Timer_t after_kdTree_2 = osg::Timer::instance()->tick(); 
     1844 
     1845    iv.setUseKdTreeWhenAvailable(false); 
     1846    const_cast<osg::Camera*>(camera)->accept(iv); 
     1847    osg::Timer_t after = osg::Timer::instance()->tick(); 
     1848     
     1849    double timeDummy = osg::Timer::instance()->delta_m(before, after_dummy); 
     1850    double timeKdTree = osg::Timer::instance()->delta_m(after_dummy, after_kdTree_2); 
     1851    double timeConventional = osg::Timer::instance()->delta_m(after_kdTree_2, after); 
     1852     
     1853    osg::notify(osg::NOTICE)<<"Using Dummy                    "<<timeDummy<<std::endl; 
     1854    osg::notify(osg::NOTICE)<<"      KdTrees                  "<<timeKdTree<<std::endl; 
     1855    osg::notify(osg::NOTICE)<<"      KdTrees - Traversal      "<<timeKdTree-timeDummy<<std::endl; 
     1856    osg::notify(osg::NOTICE)<<"      Conventional             "<<timeConventional<<std::endl; 
     1857    osg::notify(osg::NOTICE)<<"      Conventional - Traversal "<<timeConventional-timeDummy<<std::endl; 
     1858    osg::notify(osg::NOTICE)<<"      Delta                    "<<timeConventional/timeKdTree<<std::endl; 
     1859    osg::notify(osg::NOTICE)<<"      Delta sans Traversal     "<<(timeConventional-timeDummy)/(timeKdTree-timeDummy)<<std::endl; 
     1860    osg::notify(osg::NOTICE)<<std::endl; 
     1861#endif     
    18241862 
    18251863    if (picker->containsIntersections())