Changeset 1000

Timestamp:

06/01/06 18:57:28 (18 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis

Files:

• Preprocessing/src/GlRenderer.cpp (modified) (10 diffs)
• Preprocessing/src/RenderSampler.cpp (modified) (1 diff)
• shared/scripts/GtpVisibility.suo (modified) (previous)

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

@@ -470 +470 @@
 }
 
-
+std::ofstream outfile("try_100.txt");
 void
 GlRendererBuffer::EvalQueryWithOcclusionQueries(
@@ -480 +480 @@
         glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
         glDepthMask(GL_FALSE);
+
+
+        // simulate detectemptyviewspace using backface culling
+        /*if (mDetectEmptyViewSpace) 
+        {
+                glEnable(GL_CULL_FACE);
+                cout << "culling" << endl;
+        }
+        else
+        {
+                cout << "not culling" << endl;
+                glDisable(GL_CULL_FACE);
+        }*/
+
+        
+        const int numQ = 500;//(int)mOcclusionQueries.size();
+        
+//outfile << "\n**************" << endl;
+glFinish();
+        //-- now issue queries for all objects
+        for (int j = 0; j < (int)mObjects.size(); ++ j) 
+        {       
+                for (int q = 0; ((j + q) < (int)mObjects.size()) && (q < numQ); ++ q) 
+                {
+                        //glFinish();
+//                      outfile << "queries: " << mOcclusionQueries[q] << " ";
+                        glBeginOcclusionQueryNV(mOcclusionQueries[q]);
+                        
+                        RenderIntersectable(mObjects[j + q]);
                 
-        // now issue queries for all objects
-        for (int j = 0; j < mObjects.size(); ++ j) 
-        {
-                for (int q = 0; j + q < mObjects.size() && q < mOcclusionQueries.size(); ++ q) 
-                {
-                        glBeginOcclusionQueryNV(mOcclusionQueries[q]);
-                                        
-                        RenderIntersectable(mObjects[j + q]);
+                        glFlush();
                         glEndOcclusionQueryNV();
+                        //glFinish();
                 }
-                
+
+//              outfile << endl;
                 // collect results of the queries
-                for (int q = 0; j + q < mObjects.size() && q < mOcclusionQueries.size(); ++ q) 
+                for (int q = 0; ((j + q) < (int)mObjects.size()) && (q < numQ); ++ q) 
                 {
                         unsigned int pixelCount;
@@ -501 +525 @@
                         do 
                         {
-                                glGetOcclusionQueryuivNV(mOcclusionQueries[q],
-                                                                                GL_PIXEL_COUNT_AVAILABLE_NV,
-                                                                                &pixelCount);
+                                glGetOcclusionQueryuivNV(mOcclusionQueries[q], GL_PIXEL_COUNT_AVAILABLE_NV, &pixelCount);
                                         
-                                if (0 && !pixelCount) cout << "W";
+                                if (pixelCount == 0) cout << "W";
                         } 
                         while (!pixelCount);
 #endif
 
-                        glGetOcclusionQueryuivNV(mOcclusionQueries[q],
-                                                                        GL_PIXEL_COUNT_NV,
-                                                                        &pixelCount);
-
-                        // if (pixelCount)
-                        // cout<<"q="<<mOcclusionQueries[q]<<" pc="<<pixelCount<<" ";
-                        
+                        glGetOcclusionQueryuivNV(mOcclusionQueries[q], GL_PIXEL_COUNT_NV, &pixelCount);
+
+                        if (pixelCount > 0)
+                                outfile <<"o="<<j+q<<" q="<<mOcclusionQueries[q]<<" pc="<<pixelCount<<" ";
+                        
                         mObjects[j + q]->mCounter += pixelCount;
                 }
@@ -522 +542 @@
                 j += q;
         }
-                
+
+glFinish();
         glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
         glDepthMask(GL_TRUE);
+        
+        glEnable(GL_CULL_FACE);
 }
 
@@ -552 +575 @@
         int i, j;
 
-        // reset object visibility
-        for (i=0; i < mObjects.size(); i++) 
+        ObjectContainer::const_iterator it, it_end = mObjects.end();
+
+        for (it = mObjects.begin(); it != it_end; ++ it) 
         {
-                mObjects[i]->mCounter = 0;
+                (*it)->mCounter = 0;
         }
 
@@ -567 +591 @@
         //else cout << "using item buffer" << endl;
         
-        glCullFace(GL_FRONT);
-
-        if (mDetectEmptyViewSpace) 
-        {
-                glEnable(GL_CULL_FACE);
-                cout << "culling" << endl;
-        }
-        else
-        {
-                cout << "not culling" << endl;
-                glDisable(GL_CULL_FACE);
-        }
+        //glCullFace(GL_FRONT);
+        glCullFace(GL_BACK);
 
         for (i = 0; i < 6; ++ i) 
@@ -590 +604 @@
                 mUseFalseColors = true;
 
-
                 // the actual scene rendering
-
                 RenderScene();
 
@@ -618 +630 @@
         sample.Reset();
 
-        for (j = 0; j < mObjects.size(); j++) 
+        for (it = mObjects.begin(); it != it_end; ++ it) 
         {
-                if (mObjects[j]->mCounter) 
+                Intersectable *obj = *it;
+                if (obj->mCounter) 
                 {
                         ++ sample.mVisibleObjects;
-                        sample.mVisiblePixels += mObjects[j]->mCounter;
+                        sample.mVisiblePixels += obj->mCounter;
                 }
         }
 
-        cout << "RS=" << sample.mVisibleObjects << " ";
-}
+        outfile << "RS=" << sample.mVisibleObjects << " ";
+}
+
 
 void
@@ -646 +660 @@
   halton.Reset();
   
-  int i;
-  int numQ = 500;
-
-
-  if (mOcclusionQueries.size() < numQ) 
+  // the number of queries simultanosly allocated
+  const int numQ = 400;
+  //const int numQ = 3;
+#if 1
+  for (int i = (int)mOcclusionQueries.size(); i < numQ; ++ i)
+  {
+          unsigned int query;
+          glGenOcclusionQueriesNV(1, &query);
+          mOcclusionQueries.push_back(query);
+          //mOcclusionQueries[i] = queries[i];
+  }
+#else
+  if ((int)mOcclusionQueries.size() < numQ)
   {
           cout << "allocating occ queries..." << endl;
@@ -657 +679 @@
           
           // matt: ?
-          for (i = 0; i < numQ; ++ i)
+          for (int i = 0; i < numQ; ++ i)
           queries[i] = 111;
         
           glGenOcclusionQueriesNV(numQ, queries);
-
           mOcclusionQueries.resize(numQ);
-        
-          for (i = 0; i < numQ; ++ i)
-          {
-                  mOcclusionQueries[i] = queries[i];
-          }
+          
     
-          DEL_PTR(queries);
-  }
-  
-  for (i = 0; i < n; ++ i)
+           for (int i = 0; i < numQ; ++ i)
+           {
+                   mOcclusionQueries[i] = queries[i];
+           }
+
+           DEL_PTR(queries);
+  }
+#endif
+  
+  for (int i = 0; i < n; ++ i)
   {
           EvalRenderCostSample(samples[i]);

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

@@ -37 +37 @@
 
 
-        //-- Evaluate results
-        
+        //-- Evaluate results   
 
         //-- compute histogram from the samples