Changeset 2763 for GTP/trunk/App/Demos/Vis/CHC_revisited/StopAndWaitTraverser.cpp

Timestamp:

06/16/08 08:56:35 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/CHC_revisited/StopAndWaitTraverser.cpp (modified) (2 diffs)

GTP/trunk/App/Demos/Vis/CHC_revisited/StopAndWaitTraverser.cpp

@@ -1 +1 @@
 #include "StopAndWaitTraverser.h"
+#include "SceneEntity.h"
+
 
 namespace CHCDemo
 {
+
+using namespace std;
+
+
+
 StopAndWaitTraverser::StopAndWaitTraverser(): RenderTraverser() 
 {
@@ -16 +23 @@
 void StopAndWaitTraverser::Render()
 {
-#if 0
-        while(! mDistanceQueue.empty())
+        mRenderState->mTexturesEnabled = false;
+        mDistanceQueue.push(mBvh->GetRoot());
+
+
+        int traversed = 0;
+        while (!mDistanceQueue.empty())
         {
-                HierarchyNode *node = mDistanceQueue.top();
+                BvhNode *node = mDistanceQueue.top();
                 mDistanceQueue.pop();
-                mNumTraversedNodes ++;
+        
                 // interesting for the visualization, so rest and set
                 node->SetVisible(false);
+                //mNumTraversedNodes ++;
 
-                bool intersects;
-                
-                if(InsideViewFrustum(node, intersects))
+                if (mBvh->IsWithinViewFrustum(node))
                 {
-                        // update node's visited flag
-                        node->SetLastVisited(mFrameID);
-
-                        // for near plane intersecting abbs possible 
-                        // wrong results => skip occlusion query
-                        if(intersects)
+                        // if intersects near plane assume visible and don't issue test
+                        if (mBvh->CalcDistance(node) < 0.1f)
                         {
-                                node->SetVisible(true);
                                 TraverseNode(node);
                         }
                         else
                         {
-                                IssueOcclusionQuery(node, false);
-                                
-                                // wait if result not available
-                                int visiblePixels = GetOcclusionQueryResult(node);
-                                
-                                // node visible
-                                if(visiblePixels > mVisibilityThreshold)
+                                OcclusionQuery *query = IssueOcclusionQuery(node, false);
+
+                                int visiblePixels = query->GetQueryResult();
+
+                                if (visiblePixels > 0)
                                 {
-                                        node->SetVisible(true);
+                                        cout<< "visible: " << visiblePixels << endl;
+                                        // update node's visited flag => needed for rendering
+                                        // so set it also here
+                                        //node->SetLastVisited(mFrameID);
+                                        //node->SetVisible(true);
+                                        ++ traversed;
                                         TraverseNode(node);
                                 }
-                                else
-                                {
-                                        mNumQueryCulledNodes ++;
-                                }
-                        }                                       
+                        }
                 }
                 else
                 {
-                        mNumFrustumCulledNodes ++;
+                        //mNumFrustumCulledNodes ++;
                 }
+                //cout << "intersect: " << intersect << " bx " << node->GetBox() << endl;
         }
-#endif
+
+        mQueryHandler.ResetQueries();
+        //std::cout << "traversed: " << traversed << std::endl;
 }