Changeset 903 for GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE

Timestamp:

05/05/06 07:44:20 (19 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE

Files:

• include/OgreOcclusionCullingSceneManager.h (modified) (5 diffs)
• include/OgreVisibilityOctreeSceneManager.h (modified) (3 diffs)
• src/OgreOcclusionCullingSceneManager.cpp (modified) (16 diffs)
• src/OgrePlatformHierarchyInterface.cpp (modified) (3 diffs)
• src/OgrePlatformOcclusionQuery.cpp (modified) (2 diffs)
• src/OgreSolidBoundingBox.cpp (modified) (1 diff)
• src/OgreVisibilityOctreeSceneManager.cpp (modified) (6 diffs)
• src/OgreVisibilityOptionsManager.cpp (modified) (1 diff)
• src/OgreVisibilityTerrainSceneManager.cpp (modified) (1 diff)

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreOcclusionCullingSceneManager.h

@@ -97 +97 @@
         void renderModulativeStencilShadowedQueueGroupObjects(RenderQueueGroup* pGroup,
                 QueuedRenderableCollection::OrganisationMode om);
-
+        void loadVisibilityConfig(const String& filename);
         /** Override standard function so octree boxes are always of equal side length.
                 This has advantages for CHC, because terrain tiles are in different octree nodes
@@ -127 +127 @@
         /** Finds object corresponding to this bounding box in the scene.
         */
-        MovableObject *FindCorrespondingObject(const AxisAlignedBox &box);
+        Entity *FindCorrespondingObject(const AxisAlignedBox &box);
 
         /** Identifies objects in the scene and gives them unique ids that
@@ -133 +133 @@
         */
         void IdentifyObjects(GtpVisibilityPreprocessor::ObjectContainer &objects);
+
+        /** Loads / unloads pvs of the view cell to set the visibility in the scene.
+        */
+        void applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc, const bool load);
+
+        /** updates pvs in current frame.
+        */
+        void updatePvs(Camera *cam);
+
+        /** Sets all objects invisible.
+        */
+        void SetObjectsVisible(const bool visible);
 
         /// the interface to the scene hierarchy.
@@ -150 +162 @@
         bool mRenderNodesContentForViz;
 
-        /// if we render transparents after the hierarchical traversal
+        /// render transparents after the hierarchical traversal
         bool mDelayRenderTransparents;
 
-        /// if we use a depth pass (i.e., fill only the depth buffer in the first pass)
+        /// use a depth pass (i.e., fill only the depth buffer in the first pass)
         bool mUseDepthPass;
-        /// if we currently rendering the depth pass
+        /// flag indicating if we currently render the depth pass
         bool mIsDepthPassPhase;
         
@@ -185 +197 @@
         bool mIsHierarchicalCulling;
 
+        bool mViewCellsLoaded;
         GtpVisibilityPreprocessor::ViewCellsManager *mViewCellsManager;
+
+
+        /// Used to assign Ogre meshes to view cell entries.
+        GtpVisibilityPreprocessor::ObjectContainer mObjects;
+
+        GtpVisibilityPreprocessor::ViewCell *mElementaryViewCell;
+        GtpVisibilityPreprocessor::ViewCell *mCurrentViewCell;
+
+        /// If view cells are used.
+        bool mUseViewCells;
+
+        /// if the view cells are filtered
+        bool mUseVisibilityFilter;
 };
 
+/// Factory for VisibilityOctreeSceneManager
+class OcclusionCullingSceneManagerFactory : public SceneManagerFactory
+{
+protected:
+        void initMetaData(void) const;
+        GtpVisibility::VisibilityManager *visManager;
+public:
+        OcclusionCullingSceneManagerFactory(GtpVisibility::VisibilityManager *vm)
+        {
+                visManager = vm;
+        }
+        ~OcclusionCullingSceneManagerFactory() {}
+        /// Factory type name
+        static const String FACTORY_TYPE_NAME;
+        SceneManager* createInstance(const String& instanceName);
+        void destroyInstance(SceneManager* instance);
+};
+
 } // namespace Ogre
 
-#endif // CullingTerrainSceneManager_H
+#endif // OcclusionCullingSceneManager_H

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreVisibilityOctreeSceneManager.h

@@ -11 +11 @@
 #include "OgrePlatformQueryManager.h"
 #include "VisibilityManager.h"
+#include "Containers.h"
 #include "ViewCellsManager.h"
 
@@ -76 +77 @@
         void RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass);
 #endif // ITEM_BUFFER
-        void _renderQueueGroupObjects(RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om);
+        void _renderQueueGroupObjects(RenderQueueGroup* pGroup,
+                QueuedRenderableCollection::OrganisationMode om);
 
         /** Override from SceneManager so that sub entities can be assigned an id for item buffer.
@@ -191 +193 @@
         bool mViewCellsLoaded;
         GtpVisibilityPreprocessor::ViewCellsManager *mViewCellsManager;
+
 
         /// Used to assign Ogre meshes to view cell entries.

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgreOcclusionCullingSceneManager.cpp

@@ -1 +1 @@
 #include "OgreOcclusionCullingSceneManager.h"
 #include "OgreVisibilityOptionsManager.h"
-#include "OgreTypeConverter.h"
 #include <OgreMath.h>
 #include <OgreIteratorWrappers.h>
@@ -15 +14 @@
 #include "Containers.h"
 #include "ViewCellsManager.h"
-
+#include <OgreConfigFile.h>
+#include "OgreTypeConverter.h"
+#include "OgreMeshInstance.h"
+#include "common.h"
 
 // normal terrain rendering
@@ -43 +45 @@
 mRenderTransparentsForItemBuffer(true),
 mExecuteVertexProgramForAllPasses(true),
-mIsHierarchicalCulling(false)
+mIsHierarchicalCulling(false),
+mViewCellsLoaded(false),
+mUseViewCells(false),
+mUseVisibilityFilter(false),
+mCurrentViewCell(NULL),
+mElementaryViewCell(NULL)
 {
         mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
@@ -82 +89 @@
 {
         OGRE_DELETE(mHierarchyInterface);
+        CLEAR_CONTAINER(mObjects);
+        OGRE_DELETE(mCurrentViewCell);
 }
 //-----------------------------------------------------------------------
@@ -155 +164 @@
     }
         // add bounding boxes of rendered objects
+        if (1)
         for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
         {
@@ -182 +192 @@
                                 //(*it)->_addBoundingBoxToQueue(getRenderQueue());
                         }
+                        // add renderables itself
                         if (mRenderNodesContentForViz) 
                         {
@@ -274 +285 @@
         }
 
+
         //-- show visible scene nodes and octree bounding boxes from last frame
         if (mShowVisualization)
@@ -291 +303 @@
                         OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
                 }
+
                 // only shadow casters will be rendered in shadow texture pass
                 if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
+
+
+                //-- apply view cell pvs
+                updatePvs(cam);
         }
         
@@ -372 +389 @@
                 // exclude this queues from hierarchical rendering
                 setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
+
 
                 // set all necessary parameters for 
@@ -522 +540 @@
                 return true;
         }
-
-        if (key == "UseArbQueries")
-        {
-                bool useArbQueries = (*static_cast<const bool *>(val));
-
-                if (useArbQueries)
-                {
-                        mHierarchyInterface->ResetQueries();
-                        mDestRenderSystem->setConfigOption("ArbQueries", "Yes");
-                }
-                else
-                {
-                        mHierarchyInterface->ResetQueries();
-                        mDestRenderSystem->setConfigOption("ArbQueries", "No");
-                }
-        }
+        if (key == "LoadViewCells")
+        { 
+                if (!mViewCellsLoaded)
+                {
+                        LoadViewCells(static_cast<const char *>(val));
+                        mViewCellsLoaded = true;        
+                }
+
+                return true;
+        }
+        if (key == "UseViewCells")
+        { 
+                mUseViewCells = *static_cast<const bool *>(val);
+
+                // reset view cell
+                OGRE_DELETE(mCurrentViewCell);
+                if (mUseViewCells)
+                        mCurrentViewCell =  mViewCellsManager->GenerateViewCell();
+                mElementaryViewCell = NULL;
+                // if using view cells, all objects are set to false initially
+                SetObjectsVisible(!mUseViewCells);
+                
+                return true;
+        }
+        if (key == "UseVisibilityFilter")
+        {
+                mUseVisibilityFilter = *static_cast<const bool *>(val);
+                // set null =>recomputation of the pvs
+        mElementaryViewCell = NULL;
+                return true;
+        }
+
         return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
                 setOption(key, val) || TerrainSceneManager::setOption(key, val);
@@ -753 +787 @@
 
 
-        // Render a single object, this will set up auto params if required
+        // render a single object, this will set up auto params if required
         renderSingleObject(rend, usedPass, false, &nullLightList);
 }
@@ -799 +833 @@
                         mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
 
-                        // just render ambient stuff
+                        // just render ambient passes
                         /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
                         // mIlluminationStage = IRS_AMBIENT; 
+                        getRenderQueue()->setSplitPassesByLightingType(true);
                 }
         
@@ -885 +920 @@
                         // Also render any objects which have receive shadows disabled
                         OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
-                }
-        }
-        else
+#if 0           
+                        std::stringstream d; 
+                        d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
+                                << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
+                                << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
+                                << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
+                        LogManager::getSingleton().logMessage(d.str());
+#endif
+                }
+        }
+        else // render the rest of the passes
         {
                 OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
@@ -917 +960 @@
    }
 }
-
 //-------------------------------------------------------------------------
-MovableObject *OcclusionCullingSceneManager::FindCorrespondingObject(const AxisAlignedBox &box)
+void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
+{
+        GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
+
+        for (it = mObjects.begin(); it != it_end; ++ it)
+        {
+                OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(*it);
+                Entity *ent = omi->GetMesh();
+                ent->setVisible(visible);
+        }
+}
+//-------------------------------------------------------------------------
+void OcclusionCullingSceneManager::loadVisibilityConfig(const String& filename)
+{
+        // TODO matt
+        // Set up the options
+        ConfigFile config;
+        String val;
+
+        config.load(filename);
+
+        val = config.getSetting("Algorithm");
+
+    if (!val.empty())
+        {
+                 VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).setOption("Algorithm", val.c_str());
+        }
+
+        val = config.getSetting("UseDepthPass");
+
+        if (!val.empty())
+        {
+                 setOption("UseDepthPass", val.c_str());
+        }
+}
+//-------------------------------------------------------------------------
+inline static AxisAlignedBox EnlargeBox(const AxisAlignedBox &box)
+{
+        const float eps = 1e-3f;
+        const Vector3 veps(eps, eps, eps);
+        Vector3 max = box.getMaximum();
+        Vector3 min = box.getMinimum();
+
+        return AxisAlignedBox(min - veps, max + veps);
+}
+//-----------------------------------------------------------------------
+Entity *OcclusionCullingSceneManager::FindCorrespondingObject(const AxisAlignedBox &box)
 {
         list<SceneNode *> sceneNodeList;
-
-        findNodesIn(box, sceneNodeList, NULL);
+        AxisAlignedBox mybox = EnlargeBox(box);
+        //AxisAlignedBox dummy(Vector3(-50000, -50000, -50000), Vector3(50000, 50000, 50000));
+        
+        // get intersecting scene nodes
+        findNodesIn(mybox, sceneNodeList, NULL);
+        
 
         list<SceneNode *>::const_iterator sit, sit_end = sceneNodeList.end();
 
-        bool overlap = false;
-
-        MovableObject *bestFittingObj = NULL;
-        float bestFit = 0.0;
-        
+        float overlap = 0;//GtpVisibilityPreprocessor::Limits::Small;
+
+        Entity *bestFittingObj = NULL;
+        float bestFit = overlap;
+
+        // perfect fit threshold
+        const float thresh = 1.0 - GtpVisibilityPreprocessor::Limits::Small;
+
+
         // find the bbox which is closest to the current bbox
-        for (sit = sceneNodeList.begin(); sit != sceneNodeList.end(), !overlap; ++ sit)
+        for (sit = sceneNodeList.begin(); sit != sceneNodeList.end(); ++ sit)
         {
                 SceneNode *sn = *sit;
@@ -940 +1036 @@
         while (oit.hasMoreElements())
                 {
-                         MovableObject *mo = oit.getNext();
-                         const AxisAlignedBox bbox = mo->getWorldBoundingBox();
+                        MovableObject *mo = oit.getNext();
+
+                        // we are only interested in scene entities
+                        if (mo->getMovableType() != "Entity")
+                        {
+                                continue;
+                        }
                          
-                         const float overlap = GtpVisibilityPreprocessor::RatioOfOverlap(
-                                 OgreTypeConverter::ConvertFromOgre(bbox), 
-                                 OgreTypeConverter::ConvertFromOgre(box));
-
+                        const AxisAlignedBox bbox = EnlargeBox(mo->getWorldBoundingBox());
+                                        
+
+                        // compute measure how much aabbs overlap
+                        overlap = RatioOfOverlap(OgreTypeConverter::ConvertFromOgre(mybox),
+                                                                         OgreTypeConverter::ConvertFromOgre(bbox));
+        
                          if (overlap > bestFit)
                          {
                                  bestFit = overlap;
-                                 bestFittingObj = mo;
-                                        
-                                 // perfect fit => object found
-                                 if (overlap > (1.0 - GtpVisibilityPreprocessor::Limits::Small))
-                                        break;
+                        
+                                 bestFittingObj = static_cast<Entity *>(mo);
+
+                                 // perfect fit => object found, eraly exit
+                                 if (overlap >= thresh)
+                                         return bestFittingObj;                         
                          }
                 }
         }
 
+        if (0)
+        {
+                std::stringstream d; 
+                if (bestFittingObj)
+                        d << "best fit: " << bestFit;     
+                else
+                        d << "warning, objects do not fit\n" << box;
+        
+                Ogre::LogManager::getSingleton().logMessage(d.str());
+        }
+
         return bestFittingObj;
 }
-
-
+//-----------------------------------------------------------------------
 void OcclusionCullingSceneManager::LoadViewCells(string filename)
 {
-        GtpVisibilityPreprocessor::ObjectContainer objects;
+        // the objects are set to invisible a prioriy
+        SetObjectsVisible(false);
+
         // identify the corresponding Ogre meshes using the bounding boxes
-        IdentifyObjects(objects);
-        
+        IdentifyObjects(mObjects);
+
         // load the view cells assigning the found objects to the pvss
-        mViewCellsManager->LoadViewCells(filename, &objects);
-}
-
-
+        mViewCellsManager = 
+                GtpVisibilityPreprocessor::ViewCellsManager::LoadViewCells(filename, &mObjects);
+
+        std::stringstream d;
+        d << "view cells loaded" << endl;
+        Ogre::LogManager::getSingleton().logMessage(d.str());
+}
+//-----------------------------------------------------------------------
 void OcclusionCullingSceneManager::IdentifyObjects(GtpVisibilityPreprocessor::ObjectContainer &objects)
 {
@@ -988 +1109 @@
                   const GtpVisibilityPreprocessor::AxisAlignedBox3 box = (*iit).second;
                   const AxisAlignedBox currentBox = OgreTypeConverter::ConvertToOgre(box);
+                 
+                  Entity *ent = FindCorrespondingObject(currentBox);
+
+                  // create new mesh instance
+                  OgreMeshInstance *omi = new OgreMeshInstance(ent);
+                  omi->SetId((*iit).first);
+                  objects.push_back(omi);
+        }
+}
+//-------------------------------------------------------------------------
+void OcclusionCullingSceneManager::applyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc, 
+                                                                                                        const bool load)
+{       // NOTE: should not happen, rather apply view cell representing unbounded space then
+        if (!vc) 
+        {       
+                // set everything visible for savety
+                SetObjectsVisible(true);
+
+                return;
+        }
                   
-                  MovableObject *mo = FindCorrespondingObject(currentBox);
-                  //objects.push_back(mi);
-        }
+        GtpVisibilityPreprocessor::ObjectPvsMap::const_iterator oit,
+                        oit_end = vc->GetPvs().mEntries.end();
+
+        //-- PVS of view cell
+        for (oit = vc->GetPvs().mEntries.begin(); oit != oit_end; ++ oit)
+        {
+                if (!(*oit).first) continue;
+
+                OgreMeshInstance *omi = dynamic_cast<OgreMeshInstance*>((*oit).first);
+                omi->GetMesh()->setVisible(load);
+                //GtpVisibilityPreprocessor::Debug << "here45 " << omi->GetId() << endl;
+        }
+}
+//-------------------------------------------------------------------------
+void OcclusionCullingSceneManager::updatePvs(Camera *cam)
+{
+        if (mViewCellsLoaded && mUseViewCells)
+        {
+                const GtpVisibilityPreprocessor::Vector3 viewPoint = 
+                        OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
+
+                GtpVisibilityPreprocessor::ViewCell *newElementary = 
+                        mViewCellsManager->GetViewCell(viewPoint);
+
+                // elementary view cell did not change => apply same pvs
+                if (mElementaryViewCell == newElementary)
+                        return;
+
+                mElementaryViewCell = newElementary;
+
+                //-- unload old pvs
+                applyViewCellPvs(mCurrentViewCell, false);
+
+
+                //-- the new view cell
+                
+                GtpVisibilityPreprocessor::ViewCell *viewCell;
+
+                
+                if (mUseVisibilityFilter)
+                {
+                        //-- compute new filtered cell
+                        GtpVisibilityPreprocessor::PrVs prvs;
+                        mViewCellsManager->GetPrVS(viewPoint, prvs);
+                        viewCell = prvs.mViewCell;
+                }
+                else
+                {
+                        viewCell = newElementary;
+                }
+                        
+                //-- load new pvs
+                applyViewCellPvs(viewCell, true);
+
+                // store pvs
+                mCurrentViewCell->SetPvs(viewCell->GetPvs());
+
+                // delete merge tree of filtered view cell
+                if (mUseVisibilityFilter)
+                        mViewCellsManager->DeleteLocalMergeTree(viewCell);
+        }
+}
+
+
+
+//-----------------------------------------------------------------------
+const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
+//-----------------------------------------------------------------------
+void OcclusionCullingSceneManagerFactory::initMetaData(void) const
+{
+        mMetaData.typeName = FACTORY_TYPE_NAME;
+        mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
+        mMetaData.sceneTypeMask = 0xFFFF; // support all types
+        mMetaData.worldGeometrySupported = false;
+}
+//-----------------------------------------------------------------------
+SceneManager* OcclusionCullingSceneManagerFactory::createInstance(
+        const String& instanceName)
+{
+        return new OcclusionCullingSceneManager(instanceName, visManager);
+}
+//-----------------------------------------------------------------------
+void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
+{
+        delete instance;
 }
 

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformHierarchyInterface.cpp

@@ -81 +81 @@
 void PlatformHierarchyInterface::ResetQueries()
 {
-//      for (int i = 0; i < (int)mOcclusionQueries.size(); ++ i) OGRE_DELETE(mOcclusionQueries[i]);
+        for (int i = 0; i < (int)mOcclusionQueries.size(); ++ i) OGRE_DELETE(mOcclusionQueries[i]);
 
         mCurrentTestIdx = 0;
-    //mOcclusionQueries.clear();
+    mOcclusionQueries.clear();
 }
 //-----------------------------------------------------------------------
@@ -97 +97 @@
         
         // set no depth write, no color, no lighting material
-        //mSceneManager->setPassWrapper(solidBox->getTechnique()->getPass(0)); // HACK! (mySetPass should be setPass)
-        mSceneManager->_setPass(solidBox->getTechnique()->getPass(0)); // HACK! (mySetPass should be setPass)
+        mSceneManager->setPassWrapper(solidBox->getTechnique()->getPass(0)); // HACK! (mySetPass should be setPass)
+        //mSceneManager->_setPass(solidBox->getTechnique()->getPass(0)); // HACK! (mySetPass should be setPass)
         //SetOcclusionPass();
 
@@ -121 +121 @@
 {
         // create new query if there is no query left
-        if (mCurrentTestIdx == (int)mOcclusionQueries.size())
-        {
+        if (mCurrentTestIdx >= (int)mOcclusionQueries.size())
+        {
+                mCurrentTestIdx == (int)mOcclusionQueries.size();
                 mOcclusionQueries.push_back(new PlatformOcclusionQuery(mRenderSystem));
         }

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformOcclusionQuery.cpp

@@ -12 +12 @@
 PlatformOcclusionQuery::~PlatformOcclusionQuery()
 {
-        delete mHardwareOcclusionQuery;
+        //delete mHardwareOcclusionQuery;
 }
 //-----------------------------------------------------------------------
@@ -32 +32 @@
         bool isAvailable = true;
 
-        if (!waitForResult)
+        /*if (!waitForResult)
                 isAvailable = !mHardwareOcclusionQuery->isStillOutstanding();
-
+        */
+//visiblePixels = 800;
         if (isAvailable)
                 return mHardwareOcclusionQuery->pullOcclusionQuery(&visiblePixels);

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgreSolidBoundingBox.cpp

@@ -74 +74 @@
          mRenderOp.indexData->indexBuffer = ibuf;
          // set material with no lighting, no color, no depth write
-         SetOcclusionQueryMaterial();
-         //setMaterial("BaseWhiteNoLighting");
+         //SetOcclusionQueryMaterial();
+         setMaterial("BaseWhiteNoLighting");
 }
 //-----------------------------------------------------------------------

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgreVisibilityOctreeSceneManager.cpp

@@ -404 +404 @@
                 //-- now we can render all remaining queue objects
                 //-- used for depth pass, transparents, overlay
+
                 clearSpecialCaseRenderQueues();
         
-                //-- we render all remaining queue objects
-                // used for depth pass, transparents, overlay 
-                clearSpecialCaseRenderQueues();
                 OctreeSceneManager::_renderVisibleObjects();
-        
         }   // hierarchical culling
 
         // reset ambient light
-        setAmbientLight(savedAmbient);
+        //setAmbientLight(savedAmbient);
 
         getRenderQueue()->clear(); // finally clear render queue
@@ -641 +638 @@
         }
 #ifdef ITEM_BUFFER
-        //-- renders item buffer
+        //-- item buffer
+        //-- item buffer: render objects using false colors
 
     // Iterate through priorities
@@ -657 +655 @@
 {
         // Do solids
-        RenderPriorityGroup::SolidRenderablePassMap solidObjs = pGroup->_getSolidPasses();
+        QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
 
         // ----- SOLIDS LOOP -----
@@ -697 +695 @@
         if (mRenderTransparentsForItemBuffer)
         {
-                RenderPriorityGroup::TransparentRenderablePassList transpObjs = 
-                        pGroup->_getTransparentPasses();
+                QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
                 RenderPriorityGroup::TransparentRenderablePassList::const_iterator 
                         itrans, itransend;
@@ -752 +749 @@
         }
 
-        Pass *usedPass = setPass(mItemBufferPass); 
+        const Pass *usedPass = _setPass(mItemBufferPass); 
 
 
@@ -789 +786 @@
         mLeavePassesInQueue = 0;
 
-        if (!mUseDepthPass && !mUseItemBuffer)
+        // if we have the depth pass or use an item buffer, no passes are left in the queue
+        if (1 && !mUseDepthPass && !mUseItemBuffer)
         {
                 if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgreVisibilityOptionsManager.cpp

@@ -16 +16 @@
         {
                 // delete old queries (not needed for e.g., view frustum culling)
-                mHierarchyInterface->ResetQueries();
+                //mHierarchyInterface->ResetQueries();
                 mVisibilityManager->SetCullingManager(*static_cast<const 
                         GtpVisibility::VisibilityEnvironment::CullingManagerType *>(val));

GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgreVisibilityTerrainSceneManager.cpp

@@ -489 +489 @@
         }
 
-        if (key == "UseArbQueries")
-        {
-                bool useArbQueries = (*static_cast<const bool *>(val));
-
-                if (useArbQueries)
-                {
-                        mHierarchyInterface->ResetQueries();
-                        mDestRenderSystem->setConfigOption("ArbQueries", "Yes");
-                }
-                else
-                {
-                        mHierarchyInterface->ResetQueries();
-                        mDestRenderSystem->setConfigOption("ArbQueries", "No");
-                }
-        }
         return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
                 setOption(key, val) || TerrainSceneManager::setOption(key, val);