From d351bad121e0d839d3fa443412fd50605419b93d Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 8 Aug 2002 13:41:18 +0000
Subject: [PATCH] Fixed bug related to switching on/off culling modes.  Patch
 from Nikolaus Hanekamp.

---
 src/osg/CullStack.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/osg/CullStack.cpp b/src/osg/CullStack.cpp
index c200bec1c..87edc213e 100644
--- a/src/osg/CullStack.cpp
+++ b/src/osg/CullStack.cpp
@@ -127,6 +127,13 @@ void CullStack::pushProjectionMatrix(Matrix* matrix)
     cullingSet->getFrustum().setToUnitFrustum(((_cullingMode&NEAR_PLANE_CULLING)!=0),((_cullingMode&FAR_PLANE_CULLING)!=0));
     cullingSet->getFrustum().transformProvidingInverse(*matrix);
     
+    // set the culling mask ( There should be a more elegant way!)  Nikolaus H.
+    osg::CullingSet::Mask mask = 0;
+    if( _cullingMode&VIEW_FRUSTUM_CULLING) mask |= osg::CullingSet::VIEW_FRUSTUM_CULLING;
+    if( _cullingMode&SMALL_FEATURE_CULLING) mask |= osg::CullingSet::SMALL_FEATURE_CULLING;
+    if( _cullingMode&SHADOW_OCCLUSION_CULLING) mask |= osg::CullingSet::SHADOW_OCCLUSION_CULLING;
+    cullingSet->setCullingMask(mask);
+
     // set the small feature culling.
     cullingSet->setSmallFeatureCullingPixelSize(_smallFeatureCullingPixelSize);