Changeset 3259 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/PvsCollectionRenderer.cpp

Timestamp:

01/09/09 02:16:38 (15 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/PvsCollectionRenderer.cpp (modified) (8 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/PvsCollectionRenderer.cpp

@@ -23 +23 @@
 void PvsCollectionRenderer::Traverse()
 {
+        mPIS.clear();
+
         ////////////
         //-- part1: do frustum culling + pvs
@@ -49 +51 @@
         }
 
+        int pisSize = (int)mPIS.size();
+
+
         ////////////
         //-- part2: test the potentially invisible nodes
@@ -57 +62 @@
 
         OcclusionQuery *query = mQueryHandler.RequestQuery();
-        
+        query->Reset();
+
         int querySize = 50;
 
@@ -87 +93 @@
         probablyVisibleNodes.clear();
         
-        
+        int qsize = (int)queries.size();
+        int fqueries = 0;
+
         // get query results: collect probably visible nodes
         while (!queries.empty())
@@ -98 +106 @@
                 if (visiblePixels > 0)
                 {
+                        ++ fqueries;
+
                         BvhNodeContainer::const_iterator bit, bit_end = q->GetNodes().end();
 
@@ -109 +119 @@
         }
 
+        //cout << "probably visible: " << fqueries << " of " << qsize << " (" << (int)probablyVisibleNodes.size() << " of " << pisSize << " nodes)" << endl;
+
+
 
         //////////////
         //-- part4: test probably visible nodes individually, update pvs of current view cell
 
-        return;
-        //if (!mViewCell) return;
+        if (!mViewCell) return;
         
         // query all nodes individually
@@ -122 +134 @@
         {
                 BvhNode *n = *bit;
-                queries.push(IssueOcclusionQuery(n));
+
+                // node intersects near plane => 
+                // add immediately because testing the bb could fail
+                if (mBvh->IntersectsNearPlane(n))
+                {
+                        mViewCell->mPvs.AddEntry(mBvh, n);
+                }
+                else
+                {
+                        queries.push(IssueOcclusionQuery(n));
+                }
         }
 
@@ -132 +154 @@
         
                 const int visiblePixels = q->GetQueryResult();
-
+                
                 if (visiblePixels > 0)
                 {
-                        // add node to pvs
-                        int geometrySize;
-                        SceneEntity **entities;
-                        entities = mBvh->GetGeometry(q->GetFrontNode(), geometrySize);
-
-                        for (int i = 0; i < geometrySize; ++ i)
-                        {
-                                mViewCell->mPvs.AddEntry(entities[i]);
-                        }
+                        mViewCell->mPvs.AddEntry(mBvh, q->GetFrontNode());
                 }
         }