Changeset 1643 for GTP/trunk/Lib/Vis/Preprocessing/src

Timestamp:

10/19/06 04:29:00 (18 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• BvHierarchy.cpp (modified) (3 diffs)
• BvHierarchy.h (modified) (1 diff)
• Environment.cpp (modified) (1 diff)
• HierarchyManager.cpp (modified) (2 diffs)

GTP/trunk/Lib/Vis/Preprocessing/src/BvHierarchy.cpp

@@ -221 +221 @@
 
 
-        /////////////////////////////////////////////////////////////
+        ////////////////////////////////////
         //-- termination criteria for autopartition
+
         Environment::GetSingleton()->GetIntValue("BvHierarchy.Termination.maxDepth", mTermMaxDepth);
         Environment::GetSingleton()->GetIntValue("BvHierarchy.Termination.maxLeaves", mTermMaxLeaves);
@@ -249 +250 @@
         Environment::GetSingleton()->GetFloatValue("BvHierarchy.maxStaticMemory", mMaxMemory);
         Environment::GetSingleton()->GetBoolValue("BvHierarchy.useCostHeuristics", mUseCostHeuristics);
-
+        Environment::GetSingleton()->GetBoolValue("BvHierarchy.useSah", mUseSah);
+        
         char subdivisionStatsLog[100];
         Environment::GetSingleton()->GetStringValue("BvHierarchy.subdivisionStats", subdivisionStatsLog);
@@ -1246 +1248 @@
                 //-- split objects using heuristics
                                 
-                                if (mHierarchyManager->GetViewSpaceSubdivisionType() == 
-                                        HierarchyManager::KD_BASED_VIEWSPACE_SUBDIV)
+                                if (!mUseSah &&
+                                        (mHierarchyManager->GetViewSpaceSubdivisionType() == 
+                                        HierarchyManager::KD_BASED_VIEWSPACE_SUBDIV))
                                 {
                                         ///////////

GTP/trunk/Lib/Vis/Preprocessing/src/BvHierarchy.h

@@ -870 +870 @@
         //-- split heuristics based parameters
         
-        bool mUseCostHeuristics;
-        /// balancing factor for PVS criterium
+        /// if a heuristics should be used for finding a split plane
+    bool mUseCostHeuristics;
+        /// if sah heuristcs should be used for finding a split plane
+        bool mUseSah;
+    /// balancing factor for PVS criterium
         float mCtDivCi; 
         /// if only driving axis should be used for split

GTP/trunk/Lib/Vis/Preprocessing/src/Environment.cpp

@@ -2445 +2445 @@
                                    "true");
 
+        
+        RegisterOption("BvHierarchy.useSah",
+                                   optBool,
+                                   "bvh_use_sah=",
+                                   "false");
+
         RegisterOption("BvHierarchy.subdivisionStats",
                                         optString,

GTP/trunk/Lib/Vis/Preprocessing/src/HierarchyManager.cpp

@@ -1101 +1101 @@
 
                 // subdivide object space first
-                SubdivisionCandidate *ospVc = ResetObjectSpaceSubdivision(sampleRays, objects);
+                SubdivisionCandidate *ospVc = 
+                        ResetObjectSpaceSubdivision(sampleRays, objects);
                 mTQueue.Push(ospVc);
 
@@ -1120 +1121 @@
                 // subdivide view space with respect to the objects
 
-                SubdivisionCandidate *vspVc = ResetViewSpaceSubdivision(sampleRays, objects, forcedViewSpace);
+                SubdivisionCandidate *vspVc = 
+                        ResetViewSpaceSubdivision(sampleRays, objects, forcedViewSpace);
                 mTQueue.Push(vspVc);