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

Added in a test of using the utility classes in include/osgUtil/MeshOptimizers to see if they could improve peformance.

Browse Source 
Tests shown poorer performance with the code enabled so for now the code is #if 0 #endif'd out, and just left in place for future testing.
This commit is contained in:
Robert Osfield
2010-03-18 15:04:27 +00:00
parent 0c1503275b
commit 1590f6be3b
1 changed files with 23 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/osgTerrain/GeometryTechnique.cpp
View File

@@ -16,6 +16,7 @@
#include <osgTerrain/Terrain>
#include <osgUtil/SmoothingVisitor>
#include <osgUtil/MeshOptimizers>
#include <osgDB/FileUtils>
@@ -690,13 +691,31 @@ void GeometryTechnique::generateGeometry(Locator* masterLocator, const osg::Vec3
geometry->setUseDisplayList(false);
geometry->setUseVertexBufferObjects(true);
#if 0
{
osgUtil::VertexCacheMissVisitor vcmv_before;
osgUtil::VertexCacheMissVisitor vcmv_after;
osgUtil::VertexCacheVisitor vcv;
osgUtil::VertexAccessOrderVisitor vaov;
vcmv_before.doGeometry(*geometry);
vcv.optimizeVertices(*geometry);
vaov.optimizeOrder(*geometry);
vcmv_after.doGeometry(*geometry);
#if 0
OSG_NOTICE<<"vcmv_before.triangles="<<vcmv_before.triangles<<std::endl;
OSG_NOTICE<<"vcmv_before.misses="<<vcmv_before.misses<<std::endl;
OSG_NOTICE<<"vcmv_after.misses="<<vcmv_after.misses<<std::endl;
OSG_NOTICE<<std::endl;
#endif
}
#endif
if (osgDB::Registry::instance()->getBuildKdTreesHint()==osgDB::ReaderWriter::Options::BUILD_KDTREES &&
osgDB::Registry::instance()->getKdTreeBuilder())
{
//osg::Timer_t before = osg::Timer::instance()->tick();
//OSG_NOTICE<<"osgTerrain::GeometryTechnique::build kd tree"<<std::endl;
osg::ref_ptr<osg::KdTreeBuilder> builder = osgDB::Registry::instance()->getKdTreeBuilder()->clone();