osg: KdTree: encode original primitive index into _vertexIndices

2017-06-01 15:25:38 -04:00
parent b52bc2bcd1
commit bb804c2045
2 changed files with 14 additions and 8 deletions
--- a/src/osg/KdTree.cpp
+++ b/src/osg/KdTree.cpp
@@ -287,6 +287,7 @@ int BuildKdTree::divide(KdTree::BuildOptions& options, osg::BoundingBox& bb, int
            for(int i=istart; i<=iend; ++i)
            {
                unsigned int primitiveIndex = _kdTree.getPrimitiveIndices()[_primitiveIndices[i]];
+                primitiveIndex++; //skip original Primitive index
                unsigned int numPoints = _kdTree.getVertexIndices()[primitiveIndex++];

                for(; numPoints>0; --numPoints)