FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Robert Osfield 2008-07-09 19:26:40 +00:00
parent a00f94ac18
commit cbf5429c19
1 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/osgViewer/View.cpp
View File

@ -1820,7 +1820,45 @@ bool View::computeIntersections(float x,float y, osgUtil::LineSegmentIntersector
osgUtil::IntersectionVisitor iv(picker.get());
iv.setTraversalMask(traversalMask);
#if 1
const_cast<osg::Camera*>(camera)->accept(iv);
#else
// timing test code paths
iv.setUseKdTreeWhenAvailable(true);
iv.setDoDummyTraversal(true);
const_cast<osg::Camera*>(camera)->accept(iv);
osg::Timer_t before = osg::Timer::instance()->tick();
const_cast<osg::Camera*>(camera)->accept(iv);
osg::Timer_t after_dummy = osg::Timer::instance()->tick();
iv.setDoDummyTraversal(false);
const_cast<osg::Camera*>(camera)->accept(iv);
osg::Timer_t after_kdTree_2 = osg::Timer::instance()->tick();
iv.setUseKdTreeWhenAvailable(false);
const_cast<osg::Camera*>(camera)->accept(iv);
osg::Timer_t after = osg::Timer::instance()->tick();
double timeDummy = osg::Timer::instance()->delta_m(before, after_dummy);
double timeKdTree = osg::Timer::instance()->delta_m(after_dummy, after_kdTree_2);
double timeConventional = osg::Timer::instance()->delta_m(after_kdTree_2, after);
osg::notify(osg::NOTICE)<<"Using Dummy "<<timeDummy<<std::endl;
osg::notify(osg::NOTICE)<<" KdTrees "<<timeKdTree<<std::endl;
osg::notify(osg::NOTICE)<<" KdTrees - Traversal "<<timeKdTree-timeDummy<<std::endl;
osg::notify(osg::NOTICE)<<" Conventional "<<timeConventional<<std::endl;
osg::notify(osg::NOTICE)<<" Conventional - Traversal "<<timeConventional-timeDummy<<std::endl;
osg::notify(osg::NOTICE)<<" Delta "<<timeConventional/timeKdTree<<std::endl;
osg::notify(osg::NOTICE)<<" Delta sans Traversal "<<(timeConventional-timeDummy)/(timeKdTree-timeDummy)<<std::endl;
osg::notify(osg::NOTICE)<<std::endl;
#endif
if (picker->containsIntersections())
{