Removed CullViewState from the distribution, moved CullViewState::CullingMode

into CullVisitor, and then removed all references to CullViewState from other
parts of the scene graph.

VisualStudio/osgUtil/osgUtil.dsp

@@ -101,10 +101,6 @@ SOURCE=..\..\src\osgUtil\CameraManipulator.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=..\..\src\osgUtil\CullViewState.cpp
-# End Source File
-# Begin Source File
-
 SOURCE=..\..\src\osgUtil\CullVisitor.cpp
 # End Source File
 # Begin Source File
@@ -217,10 +213,6 @@ SOURCE=..\..\Include\osgUtil\CameraManipulator
 # End Source File
 # Begin Source File
 
-SOURCE=..\..\Include\osgUtil\CullViewState
-# End Source File
-# Begin Source File
-
 SOURCE=..\..\Include\osgUtil\CullVisitor
 # End Source File
 # Begin Source File

include/osgUtil/CullViewState

@@ -1,89 +0,0 @@
-//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
-//Distributed under the terms of the GNU Library General Public License (LGPL)
-//as published by the Free Software Foundation.
-
-#ifndef OSGUTIL_CULLVIEWSTATE
-#define OSGUTIL_CULLVIEWSTATE 1
-
-#include <osg/BoundingSphere>
-#include <osg/BoundingBox>
-#include <osg/Matrix>
-#include <osg/ClippingVolume>
-
-#include <osgUtil/Export>
-
-namespace osgUtil {
-
-/** Container class for encapsulating the viewing state in local
-    coordinates, during the cull traversal.
-*/
-class OSGUTIL_EXPORT CullViewState : public osg::Referenced
-{
-    public:
-
-        CullViewState();
-
-        osg::ref_ptr<osg::Matrix> _projection;
-        osg::ref_ptr<osg::Matrix> _matrix;
-        osg::ref_ptr<osg::Matrix> _inverse;
-        osg::Vec3    _eyePoint;
-        osg::Vec3    _centerPoint;
-        osg::Vec3    _lookVector;
-        osg::Vec3    _upVector;
-	unsigned int _bbCornerFar;
-	unsigned int _bbCornerNear;
-        float        _ratio2;
-
-        osg::ClippingVolume _clippingVolume;
-
-
-        enum 
-        {
-            NO_CULLING                  = 0x00,
-            FRUSTUM_LEFT_CULLING        = 0x01,
-            FRUSTUM_RIGHT_CULLING       = 0x02,
-            FRUSTUM_BOTTOM_CULLING      = 0x04,
-            FRUSTUM_TOP_CULLING         = 0x08,
-            FRUSTUM_NEAR_CULLING        = 0x10,
-            FRUSTUM_FAR_CULLING         = 0x20,
-            VIEW_FRUSTUM_CULLING        = 0x3F,
-            SMALL_FEATURE_CULLING       = 0x40,
-            ENABLE_ALL_CULLING          = 0x7F
-        };
-        
-        typedef unsigned int CullingMode;
-
-        inline bool isCulled(const osg::BoundingSphere& sp,CullingMode& mode) const
-        {
-            if (!sp.isValid()) return true;
-
-            if (!_clippingVolume.contains(sp,mode)) return true;
-
-            if (mode&SMALL_FEATURE_CULLING)
-            {
-                osg::Vec3 delta(sp._center-_eyePoint);
-                if (sp.radius2()<delta.length2()*_ratio2)
-                {
-                    return true;
-                }
-            }
-            return false;
-        }
-        
-        inline bool isCulled(const osg::BoundingBox& bb,CullingMode mode) const
-        {
-            if (!bb.isValid()) return true;
-
-            return !_clippingVolume.contains(bb,mode);
-        }
-
-    protected:
-
-        ~CullViewState();
-
-};
-
-}
-
-#endif
-

include/osgUtil/CullVisitor

@@ -18,7 +18,6 @@
 
 #include <osgUtil/RenderGraph>
 #include <osgUtil/RenderStage>
-#include <osgUtil/CullViewState>
 
 #include <map>
 #include <vector>
@@ -39,6 +38,23 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor
 {
     public:
 
+        enum 
+        {
+            NO_CULLING                  = 0x00,
+            FRUSTUM_LEFT_CULLING        = 0x01,
+            FRUSTUM_RIGHT_CULLING       = 0x02,
+            FRUSTUM_BOTTOM_CULLING      = 0x04,
+            FRUSTUM_TOP_CULLING         = 0x08,
+            FRUSTUM_NEAR_CULLING        = 0x10,
+            FRUSTUM_FAR_CULLING         = 0x20,
+            VIEW_FRUSTUM_CULLING        = 0x3F,
+            SMALL_FEATURE_CULLING       = 0x40,
+            ENABLE_ALL_CULLING          = 0x7F
+        };
+        
+        typedef unsigned int CullingMode;
+
+
         CullVisitor();
         virtual ~CullVisitor();
 
@@ -105,10 +121,10 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor
         void setTransparencySortMode(TransparencySortMode tsm) { _tsm = tsm; }
         
         /** Sets the current CullingMode.*/
-        void setCullingMode(CullViewState::CullingMode mode);
+        void setCullingMode(CullingMode mode);
 
         /** Returns the current CullingMode.*/
-        CullViewState::CullingMode getCullingMode() const;
+        CullingMode getCullingMode() const;
         
 
         void pushViewport(osg::Viewport* viewport);
@@ -216,13 +232,13 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor
         }
 
 
-        inline bool isCulled(const osg::BoundingSphere& sp,CullViewState::CullingMode& mode) const
+        inline bool isCulled(const osg::BoundingSphere& sp,CullingMode& mode) const
         {
             if (!sp.isValid()) return true;
 
             if (!(_modelviewClippingVolumeStack.back().contains(sp,mode))) return true;
 
-            if (mode&CullViewState::SMALL_FEATURE_CULLING)
+            if (mode&SMALL_FEATURE_CULLING)
             {
                 const float _ratio2 = 0.002f*0.002f;
                 osg::Vec3 delta(sp._center-getEyeLocal());
@@ -234,7 +250,7 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor
             return false;
         }
 
-        inline const bool isCulled(const osg::BoundingBox& bb,CullViewState::CullingMode mode) const
+        inline const bool isCulled(const osg::BoundingBox& bb,CullingMode mode) const
         {
             if (!bb.isValid()) return true;
 
@@ -370,7 +386,7 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor
         typedef std::vector<osg::Vec3>                      EyePointStack;
         EyePointStack                                       _eyePointStack;
         
-        typedef std::vector<CullViewState::CullingMode>     CullingModeStack;
+        typedef std::vector<CullingMode>                    CullingModeStack;
         CullingModeStack                                    _cullingModeStack;
         
         unsigned int                                       _bbCornerNear;

src/Demos/osgtext/main.cpp

@@ -463,7 +463,7 @@ public:
         if(_hudSceneView.valid())
         {
             _hudSceneView->getRenderStage()->setClearMask(0);
-            _hudSceneView->getCullVisitor()->setCullingMode(osgUtil::CullViewState::NO_CULLING);
+            _hudSceneView->getCullVisitor()->setCullingMode(osgUtil::CullVisitor::NO_CULLING);
             _hudSceneView->setCalcNearFar(false);
             
             _hudCam = osgNew osg::Camera;

src/osgGLUT/Viewer.cpp

@@ -1017,9 +1017,9 @@ void Viewer::keyboard(unsigned char key, int x, int y)
 
         case 'c' :
             _smallFeatureCullingActive = !_smallFeatureCullingActive;
-            sceneView->getCullVisitor()->setCullingMode((osgUtil::CullViewState::CullingMode)
+            sceneView->getCullVisitor()->setCullingMode((osgUtil::CullVisitor::CullingMode)
-                ((_smallFeatureCullingActive ? osgUtil::CullViewState::SMALL_FEATURE_CULLING : osgUtil::CullViewState::NO_CULLING) |
+                ((_smallFeatureCullingActive ? osgUtil::CullVisitor::SMALL_FEATURE_CULLING : osgUtil::CullVisitor::NO_CULLING) |
-                (_viewFrustumCullingActive ? osgUtil::CullViewState::VIEW_FRUSTUM_CULLING : osgUtil::CullViewState::NO_CULLING)));
+                (_viewFrustumCullingActive ? osgUtil::CullVisitor::VIEW_FRUSTUM_CULLING : osgUtil::CullVisitor::NO_CULLING)));
             if (_smallFeatureCullingActive)
             {
                 osg::notify(osg::NOTICE) << "Small feature culling switched on   "<< std::endl;
@@ -1040,9 +1040,9 @@ void Viewer::keyboard(unsigned char key, int x, int y)
             {
                 osg::notify(osg::NOTICE) << "View frustum culling switched off  "<< std::endl;
             }
-            sceneView->getCullVisitor()->setCullingMode((osgUtil::CullViewState::CullingMode)
+            sceneView->getCullVisitor()->setCullingMode((osgUtil::CullVisitor::CullingMode)
-                ((_smallFeatureCullingActive ? osgUtil::CullViewState::SMALL_FEATURE_CULLING : osgUtil::CullViewState::NO_CULLING) |
+                ((_smallFeatureCullingActive ? osgUtil::CullVisitor::SMALL_FEATURE_CULLING : osgUtil::CullVisitor::NO_CULLING) |
-                (_viewFrustumCullingActive ? osgUtil::CullViewState::VIEW_FRUSTUM_CULLING : osgUtil::CullViewState::NO_CULLING)));
+                (_viewFrustumCullingActive ? osgUtil::CullVisitor::VIEW_FRUSTUM_CULLING : osgUtil::CullVisitor::NO_CULLING)));
             break;
 
         case 'P' :
@@ -1065,10 +1065,8 @@ void Viewer::keyboard(unsigned char key, int x, int y)
 
         case 'O' :
             {
-                osg::Viewport* viewport = sceneView->getViewport();
+                osg::ref_ptr<osg::Viewport> viewport = osgNew osg::Viewport;
-                if (viewport)
+                viewport->setViewport(_wx,_wy,_ww,_wh);
-                {
-
                 std::string filename("screenshot.bmp");
 
                 glReadBuffer(GL_FRONT);
@@ -1080,11 +1078,6 @@ void Viewer::keyboard(unsigned char key, int x, int y)
 
                 osg::notify(osg::NOTICE) << "Saved screen image to `"<<filename<<"`"<< std::endl;
             }
-                else
-                {
-                    osg::notify(osg::NOTICE) << "Cannot create snapshot of screen, no valid viewport attached"<< std::endl;
-                }
-            }
             break;
         case 'i' :
         case 'r' :

src/osgUtil/CullViewState.cpp

@@ -1,33 +0,0 @@
-
-#include <osg/Transform>
-#include <osg/Geode>
-#include <osg/LOD>
-#include <osg/Billboard>
-#include <osg/LightSource>
-#include <osg/Impostor>
-#include <osg/Notify>
-
-#include <osgUtil/CullViewState>
-
-#include <float.h>
-
-using namespace osg;
-using namespace osgUtil;
-
-//#define USE_OLD_CULL
-
-CullViewState::CullViewState()
-{
-    _projection = NULL;
-    _matrix = NULL;
-    _inverse = NULL;
-    _ratio2 = 0.002f*0.002f;
-    _bbCornerNear = 8; // note this is an error value, valid range is 0..7 
-    _bbCornerFar = 8;  // these error values are used to show a unset corner.
-}
-
-
-CullViewState::~CullViewState()
-{
-}
-

src/osgUtil/CullVisitor.cpp

@@ -86,7 +86,7 @@ CullVisitor::CullVisitor()
     // is a least this one value on the stack, therefore they never
     // check whether the stack is empty. This shouldn't be a problem
     // unless there is bug somewhere...
-    _cullingModeStack.push_back(CullViewState::ENABLE_ALL_CULLING);
+    _cullingModeStack.push_back(ENABLE_ALL_CULLING);
 
 
     //_tsm = LOOK_VECTOR_DISTANCE;
@@ -335,20 +335,20 @@ void CullVisitor::updateCalculatedNearFar(const osg::Vec3& pos)
     if (d>_computed_zfar) _computed_zfar = d;
 }   
 
-void CullVisitor::setCullingMode(CullViewState::CullingMode mode)
+void CullVisitor::setCullingMode(CullingMode mode)
 {
     _cullingModeStack.back()=mode;
 }
 
 
-CullViewState::CullingMode CullVisitor::getCullingMode() const
+CullVisitor::CullingMode CullVisitor::getCullingMode() const
 {
     return _cullingModeStack.back();
 }
 
 void CullVisitor::apply(Node& node)
 {
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
     
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -375,7 +375,7 @@ void CullVisitor::apply(Geode& node)
 {
 
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -444,7 +444,7 @@ void CullVisitor::apply(Geode& node)
 void CullVisitor::apply(Billboard& node)
 {
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -535,7 +535,7 @@ void CullVisitor::apply(LightSource& node)
 void CullVisitor::apply(Group& node)
 {
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -560,7 +560,7 @@ void CullVisitor::apply(Group& node)
 void CullVisitor::apply(Transform& node)
 {
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -591,7 +591,7 @@ void CullVisitor::apply(Transform& node)
 void CullVisitor::apply(Projection& node)
 {
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -639,7 +639,7 @@ void CullVisitor::apply(Switch& node)
 void CullVisitor::apply(LOD& node)
 {
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -687,7 +687,7 @@ void CullVisitor::apply(Impostor& node)
     const BoundingSphere& bs = node.getBound();
 
     // return if object's bounding sphere is culled.
-    CullViewState::CullingMode mode = _cullingModeStack.back();
+    CullingMode mode = _cullingModeStack.back();
 
     if (!node.getCullingActive()) mode = 0;
     else if (node.getNumChildrenWithCullingDisabled()==0 && 
@@ -952,7 +952,7 @@ ImpostorSprite* CullVisitor::createImpostorSprite(Impostor& node)
 
     // switch off the view frustum culling, since we will have
     // the whole subgraph in view.
-    _cullingModeStack.push_back((_cullingModeStack.back() & ~CullViewState::VIEW_FRUSTUM_CULLING));
+    _cullingModeStack.push_back((_cullingModeStack.back() & ~VIEW_FRUSTUM_CULLING));
 
     {
 

src/osgUtil/Makefile

@@ -5,7 +5,6 @@ include $(TOPDIR)/Make/makedefs
 CXXFILES = \
 	AppVisitor.cpp\
 	CameraManipulator.cpp\
-	CullViewState.cpp\
 	CullVisitor.cpp\
 	DepthSortedBin.cpp\
 	DisplayListVisitor.cpp\