Changeset 579 for trunk/VUT/GtpVisibilityPreprocessor/src/VspBspTree.h

Timestamp:

01/27/06 16:27:22 (18 years ago)

Author:

mattausch

Message:

started to include variance into the measures

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/VspBspTree.h (modified) (3 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/VspBspTree.h

@@ -785 +785 @@
         void SetLeaf2(BspLeaf *l);
 
-        BspLeaf *GetLeaf1();
-        BspLeaf *GetLeaf2();
+        BspLeaf *GetLeaf1() const;
+        BspLeaf *GetLeaf2() const;
 
         /** Merge cost of this candidate pair.
@@ -792 +792 @@
         float GetMergeCost() const;
 
+        /** Render cost of this candidate.
+        */
+        float GetRenderCost() const;
+
+        /** returns increase in variance of this view cell.
+        */
+        float GetVarianceIncr() const;
+
         /** Returns cost of leaf 1.
         */
         float GetLeaf1Cost() const;
+        
         /** Returns cost of leaf 2.
         */
         float GetLeaf2Cost() const;
 
-        /// maximal pvs size
-        static int sMaxPvsSize;
-        /// minimal pvs size
-        //static int sMinPvsSize;
+        /** Variance of leaf1
+        */
+        float GetLeaf1Variance() const;
+
+        /** Variance of leaf2
+        */
+        float GetLeaf2Variance() const;
 
         /// overall cost used to normalize cost ratio
         static float sOverallCost;
-        // if area or volume should be used for the merge heuristics
+        static float sExpectedCost;
+        static float sVariance;
+
+        static int sNumViewCells;
+
+        // weights between variance and render cost increase (must between zero and one)
+        static float sRenderCostWeight;
+
+        /// if area or volume should be used for the merge heuristics
         static bool sUseArea;
 
-        static int sUpperPvsLimit;
-        static int sLowerPvsLimit;
+        /// pointer to view cells manager
+        static ViewCellsManager *sViewCellsManager;
 
 protected:
@@ -819 +839 @@
         void EvalMergeCost();
 
-        /** penalty for a given pvs size.
-        */
-        inline float EvalPvsPenalty(int pvs) const;
-
-        /** Cost of a view cell.
-        */
-        float GetCost(ViewCell *vc) const;
+        /** render cost of a view cell.
+        */
+        float GetRenderCost(ViewCell *vc) const;
         
         int mLeaf1Id;
         int mLeaf2Id;
 
-        float mMergeCost;
-        
+        /// render cost increase by this merge
+        float mRenderCost;
+        /// increase / decrease of variance
+        float mVarianceIncr;
+
         BspLeaf *mLeaf1;
         BspLeaf *mLeaf2;