Changeset 2669 for GTP/trunk/Lib/Vis/Preprocessing

Timestamp:

04/30/08 10:09:52 (17 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/Lib/Vis/Preprocessing/src

Files:

• GlRenderer.cpp (modified) (2 diffs)
• GvsPreprocessor.cpp (modified) (13 diffs)
• GvsPreprocessor.h (modified) (2 diffs)
• OcclusionQuery.cpp (modified) (5 diffs)
• QtInterface/QtGlRenderer.cpp (modified) (10 diffs)

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

@@ -96 +96 @@
 
         // for sg snapshot
-        //mViewPoint = Vector3(18.5133, 10.9818, -1032.24);
-        //mViewDirection = Vector3(-0.5373, 0, 0.843391);
-
-        
-          //    mViewPoint = Vector3(1213.85, 176.988, -437.364);
-          //    mViewDirection = Vector3(0.433884, 0, -0.900969);
-        
-        //mViewPoint = Vector3(1213.85, 176.988, -437.364);
-        //mViewDirection = Vector3(0.433884, 0, -0.900969);
-
         mViewPoint = Vector3(32.8596, 9.86079, -1023.79);
         mViewDirection = Vector3(-0.92196, 0, 0.387286);
-
-        //mViewPoint = Vector3(1099.9,183.0,-387);
-        //mViewDirection = Vector3(-0.6,0,-0.8);
 
         // inside
@@ -1650 +1637 @@
                 // drop the first frame (for some reason, the first frame yields wrong pixel error)
                 
-                if ((mFrame > 0) && (err >= 0.0f) && (err < (1.0f - 1e-6f)) && (pvsSize > 0)) 
+                if (//(mFrame > 0) && 
+                        (err >= 0.0f) && (err < (1.0f - 1e-6f)) && (pvsSize > 0)) 
                 {
                         if (err > mPvsStat.maxError)

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

@@ -20 +20 @@
   
 #define GVS_DEBUG 0
-
+#define NOT_ACCOUNTED_OBJECT 0
+#define ACCOUNTED_OBJECT 2
+#define SHOW_QT_VISUALIZATION 0
+
+static const float MIN_DIST = 0.001f;
+
+static ObjectContainer myobjects;
+
+
+/** Visualization structure for the GVS algorithm.
+*/
 struct VizStruct
 {
@@ -28 +38 @@
 };
 
-
-static const float MIN_DIST = 0.001f;
-
-static ObjectContainer myobjects;
 static vector<VizStruct> vizContainer;
+
+
 
 
@@ -153 +161 @@
                 //newRay->mFlags |= VssRay::ReverseSample;
                 
-                // if ray is not further processed => delete ray
-                if (!HandleRay(newRay))
-                {
-                        //delete newRay;
-                }
+                // check if ray is not further processed (ray not deleted because using ray pool)
+                HandleRay(newRay);
                 
                 return 1;
@@ -164 +169 @@
         return 0;
 }
+
+
+void GvsPreprocessor::CountObject(Intersectable *triObj)
+{
+        if ((triObj->mCounter != (NOT_ACCOUNTED_OBJECT + 1)) && (triObj->mCounter != (ACCOUNTED_OBJECT + 1)))
+        {
+                ++ triObj->mCounter;
+                ++ mGenericStats2;
+        }
+}
+
+
+void GvsPreprocessor::UpdateStatsForVisualization(KdIntersectable *kdInt)
+{
+        mViewCellsManager->UpdateStatsForViewCell(mCurrentViewCell, kdInt);
+
+        // count new objects in pvs due to kd node conversion   
+        myobjects.clear();
+        mKdTree->CollectObjects(kdInt->GetItem(), myobjects);
+
+        ObjectContainer::const_iterator oit, oit_end = myobjects.end();
+
+        for (oit = myobjects.begin(); oit != oit_end; ++ oit)
+                CountObject(*oit);
+}       
 
 
@@ -189 +219 @@
                 Intersectable *obj = ray.mTerminationObject;
 
-                if (obj->mCounter < 2)
+                // counter < 2 => not accounted for yet
+                if (obj->mCounter < ACCOUNTED_OBJECT)
                 {
-                        obj->mCounter += 2;
+                        obj->mCounter += ACCOUNTED_OBJECT;
                         mTrianglePvs.push_back(obj);
                 
                         mGenericStats = mTrianglePvs.size();
 
-                        // if using kd pvs, exchange the triangle with the node in the pvs
+                        // exchange the triangle with the node in the pvs for kd pvs
                         if (mUseKdPvs)
                         {
@@ -203 +234 @@
                                 if (!node->Mailed())
                                 {
+                                        // add to pvs
                                         node->Mail();
                                         KdIntersectable *kdInt = mKdTree->GetOrCreateKdIntersectable(node);
                                         mCurrentViewCell->GetPvs().AddSampleDirty(kdInt, 1.0f);
-                                        //mCurrentViewCell->GetPvs().AddSampleDirtyCheck(kdInt, 1.0f);
-                                        
-                                        mViewCellsManager->UpdateStatsForViewCell(mCurrentViewCell, kdInt);
-                                        myobjects.clear();
-                                        mKdTree->CollectObjects(node, myobjects);
-
-                                        // account for kd object pvs
-                                        ObjectContainer::const_iterator oit, oit_end = myobjects.end();
-
-                                        for (oit = myobjects.begin(); oit != oit_end; ++ oit)
-                                        {
-                                                TriangleIntersectable *triObj = static_cast<TriangleIntersectable *>(*oit);
-
-                                                if ((triObj->mCounter != 1) && (triObj->mCounter != 3))
-                                                {
-                                                        ++ triObj->mCounter;
-                                                        ++ mGenericStats2;
-                                                }
-                                        }
-                                }                       
+                                
+                                        if (SHOW_QT_VISUALIZATION) UpdateStatsForVisualization(kdInt);  
+                                }
                         }
 
@@ -902 +917 @@
         ObjectContainer kdobjects;
         mKdTree->CollectKdObjects(box, kdobjects);
-        //vector<KdLeaf *>::const_iterator lit, lit_end = leaves.end();
-        //for (lit = leaves.begin(); lit != lit_end; ++ lit)
+
         ObjectContainer::const_iterator oit, oit_end = kdobjects.end();
+
         for (oit = kdobjects.begin(); oit != oit_end; ++ oit)
         {
@@ -912 +927 @@
                 //mCurrentViewCell->GetPvs().AddSampleDirty(kdInt, 1.0f);
                 mCurrentViewCell->GetPvs().AddSampleDirtyCheck(kdInt, 1.0f);
+
                 mViewCellsManager->UpdateStatsForViewCell(mCurrentViewCell, kdInt);
 
@@ -924 +940 @@
                         TriangleIntersectable *triObj = static_cast<TriangleIntersectable *>(*oit);
             
-                        // account for the overall pvs
-                        if ((triObj->mCounter != 1) && (triObj->mCounter != 3))
-                        {
-                                ++ triObj->mCounter;
-                                ++ mGenericStats2;
-                        }
+                        CountObject(triObj);
             
                         // the triangle itself intersects
                         if (box.Intersects(triObj->GetItem()))
                         {
-                                if ((triObj->mCounter < 2))
+                                if ((triObj->mCounter < ACCOUNTED_OBJECT))
                                 {
-                                        triObj->mCounter += 2;
+                                        triObj->mCounter += ACCOUNTED_OBJECT;
 
                                         mTrianglePvs.push_back(triObj);
@@ -957 +968 @@
 
                 for (oit = mObjects.begin(); oit != oit_end; ++ oit)
-                        (*oit)->mCounter = 0;
+                        (*oit)->mCounter = NOT_ACCOUNTED_OBJECT;
 
         ComputeViewCell(vc);
@@ -986 +997 @@
 
                 for (oit = mObjects.begin(); oit != oit_end; ++ oit)
-                        (*oit)->mCounter = 0;
+                        (*oit)->mCounter = NOT_ACCOUNTED_OBJECT;
 
                 ComputeViewCell(vc);
@@ -1049 +1060 @@
 
                 // hack: reset counter
-                (*oit)->mCounter = 0;
+                (*oit)->mCounter = NOT_ACCOUNTED_OBJECT;
 
                 if (!bv || bv->Mailed())
@@ -1252 +1263 @@
         ProcessViewCell();
 
-        //mGvsStats.mTrianglePvs = mCurrentViewCell->GetPvs().GetSize();
         mGvsStats.mTrianglePvs = (int)mTrianglePvs.size();
         mGvsStats.mTotalTrianglePvs += mGvsStats.mTrianglePvs;

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

@@ -11 +11 @@
 class Exporter;
 class VssRay;
+class TriangleIntersectable;
+class KdIntersectable;
 
 /** View space partition statistics.
@@ -234 +236 @@
         */
         void ProcessViewCell();
-
+        /** Use this for qt visualization.
+        */
+        void UpdateStatsForVisualization(KdIntersectable *kdInt);
+        /** Keep count of new objects for stats.
+        */
+        void CountObject(Intersectable *triObj);
 
 

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

@@ -79 +79 @@
 #ifdef _WIN32
                 // VH
-                cout << "issuing arb query" << endl;
+                //cout << "issuing arb query" << endl;
                 glBeginQueryARB(GL_SAMPLES_PASSED_ARB, mId);
 #endif
@@ -100 +100 @@
 #ifdef _WIN32
                 // VH
-                cout << "ending query" << endl;
+                //cout << "ending query" << endl;
                 glEndQueryARB(GL_SAMPLES_PASSED_ARB);
 #endif
@@ -134 +134 @@
         {
 #ifdef _WIN32
-          // VH
-          glGetOcclusionQueryuivNV(mId, GL_PIXEL_COUNT_AVAILABLE_NV, &available);
+                // VH
+                glGetOcclusionQueryuivNV(mId, GL_PIXEL_COUNT_AVAILABLE_NV, &available);
 #endif
         }
@@ -180 +180 @@
                         // VH
                         glGenQueriesARB(n, (unsigned int *)newQueries);
-                        cout << "creating " << n << " arb queries" <<  endl;
+                        //cout << "creating " << n << " arb queries" <<  endl;
 #endif
                 }
@@ -188 +188 @@
                         // VH             
                         glGenOcclusionQueriesNV(n, (unsigned int *)newQueries);
-                        cout << "creating " << n << " nv queries" <<  endl;
+                        //cout << "creating " << n << " nv queries" <<  endl;
 #endif            
                 }

GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/QtGlRenderer.cpp

@@ -31 +31 @@
 #include <QVBoxLayout>
 
-namespace GtpVisibilityPreprocessor {
-
+namespace GtpVisibilityPreprocessor 
+{
 
   
@@ -41 +41 @@
 static CGprofile sCgFragmentProfile;
 
-
-//static vector<OcclusionQuery *> sQueries;
 
 QtGlRendererWidget *rendererWidget = NULL;
@@ -88 +86 @@
                                                                            ViewCellsManager *viewcells,
                                                                            KdTree *tree):
-QGLPixelBuffer(QSize(w, h), QGLFormat(QGL::StencilBuffer | QGL::DirectRendering | QGL::DepthBuffer | QGL::Rgba)),
+QGLPixelBuffer(QSize(w, h), 
+                           QGLFormat(QGL::StencilBuffer | 
+                                                 QGL::DepthBuffer | 
+                                                 QGL::DoubleBuffer |
+                                                 QGL::Rgba
+                                                 )),
 GlRendererBuffer(sceneGraph, viewcells, tree)
 {
@@ -125 +128 @@
         MakeCurrent();
         
-/*
-SetupCamera();
-RenderScene();
-*/
+        cout << "stencil: " << format().stencil() << endl;
+        cout << "depth: " << format().depth() << endl;
+        cout << "rgba: " << format().rgba() << endl;
+        cout << "double: " << format().doubleBuffer() << endl;
+
         float pErrorPixels = -1.0f;
 
@@ -134 +138 @@
         unsigned int pixelCount = 0;
 
-
+        
         ViewCell *viewcell = mViewCellsManager->GetViewCell(mViewPoint);
 
         if (viewcell == NULL)
                 return -1.0f;
+
+        KdNode::NewMail2();
+        Intersectable::NewMail();
 
         ObjectPvs pvs;
@@ -150 +157 @@
                 mViewCellsManager->ApplyFilter2(viewcell, false, mViewCellsManager->GetFilterWidth(), pvs);
 
-
-        mUseForcedColors = true;
-
-        SetupCamera();
-
-        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-        glColorMask(GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE);
-        glColor3f(0,1,0);
-        glDepthFunc(GL_LESS );
-        glEnable(GL_DEPTH_TEST);
-
-        glDisable(GL_STENCIL_TEST);
-
         pvsSize = pvs.GetSize();
-
-        Intersectable::NewMail();
         
         if (pvsSize == 0)
                 return 0.0f;
 
-        RenderPvs(pvs);
-
-        //glColorMask(GL_TRUE, GL_FALSE, GL_FALSE, GL_FALSE);
+        mUseForcedColors = true;
+
+        SetupCamera();
+
+        // use shading
+        if (mSnapErrorFrames)
+        {
+
+                GLfloat light_ambient[] = {0.3, 0.3, 0.3, 1.0};
+                GLfloat light_diffuse[] = {0.6, 0.6, 0.6, 1.0};
+                GLfloat light_specular[] = {1.0, 1.0, 1.0, 1.0};
+
+                GLfloat light_position[] =  //{278.0f, 548.8f,279.0f, 1.0f};
+                {0.f,0.f,0.f, 1.0f};
+
+                glEnable(GL_LIGHT0); 
+
+                // a light
+                glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+                glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+                glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+
+                glEnable(GL_LIGHTING);
+                glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+
+                glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
+                glEnable(GL_COLOR_MATERIAL);
+
+                glShadeModel(GL_SMOOTH);
+        }
+
+        glDisable(GL_ALPHA_TEST);
+                
         glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+        //glColorMask(GL_FALSE, GL_TRUE, GL_FALSE, GL_TRUE);
+        glColor3f(0, 1, 0);
+
+        glDepthFunc(GL_LESS);
+        glDepthMask(GL_TRUE);
+        glEnable(GL_DEPTH_TEST);
 
         glStencilFunc(GL_EQUAL, 0x0, 0x1);
         glStencilOp(GL_KEEP, GL_KEEP, GL_INCR); 
+
+        
+        // render pvs once
+        RenderPvs(pvs);
+
+        //glColorMask(GL_TRUE, GL_FALSE, GL_FALSE, GL_FALSE);
+        //glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE);
+        glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
         glEnable(GL_STENCIL_TEST); 
-
         glColor3f(1,0,0);
 
 
-        OcclusionQuery *query = mOcclusionQueries[1];
-
+        // render scene, record differences
+        OcclusionQuery *query = mOcclusionQueries[0];
+
+        KdNode::NewMail2();
         Intersectable::NewMail();
 
@@ -236 +276 @@
                                 }
                 }
-
+                
+
+#if 0
                 mUseFalseColors = false;
+
                 glPushAttrib(GL_CURRENT_BIT);
-                glColor3f(0,1,0);
+                glColor3f(0, 1, 0);
+                
                 glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
                 //glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 
+                KdNode::NewMail2();
+                Intersectable::NewMail();
+
                 RenderPvs(pvs);
 
+                glFinish();
+
                 mUseForcedColors = false;
+
                 im = toImage();
                 sprintf(filename, "error-frame-%04d-%0.5f-pvs.png", mFrame, pErrorPixels);
@@ -252 +302 @@
                 qstr = str.c_str();
                 im.save(qstr, "PNG");
+                
                 glPopAttrib();
+#endif
         }
 
@@ -449 +501 @@
         int indexBufferSize = 0;
         
+        // super hack: mal not working with multiple threads
         KdNode::NewMail2();
         //Intersectable::NewMail();
@@ -503 +556 @@
 
         EnableDrawArrays();
-        //Intersectable::NewMail();
-        
+                
         if (mDetectEmptyViewSpace) 
                 glEnable(GL_CULL_FACE);