Changeset 2049 for GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface

Timestamp:

01/24/07 04:11:29 (18 years ago)

Author:

bittner

Message:

glrenderer updates

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/QtGlRenderer.cpp (modified) (7 diffs)

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

@@ -96 +96 @@
   unsigned int pixelCount;
 
-
+  
   ViewCell *viewcell = mViewCellsManager->GetViewCell(mViewPoint);
+  
   if (viewcell == NULL)
         return 0.0f;
@@ -166 +167 @@
   
   
-  if (mSnapErrorFrames && pErrorPixels >= 0.01f) {
+  if (0 && mSnapErrorFrames && pErrorPixels >= 0.01f) {
         
         char filename[256];
@@ -448 +449 @@
 {
   float pErrorPixels = -1.0f;
-
-  glReadBuffer(GL_BACK);
-  
-  mUseFalseColors = true;
-
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-  
-  double eq[4];
-  eq[0] = mSceneCutPlane.mNormal.x;
-  eq[1] = mSceneCutPlane.mNormal.y;
-  eq[2] = mSceneCutPlane.mNormal.z;
-  eq[3] = mSceneCutPlane.mD;
-  
-  if (mCutScene) {
-        glClipPlane(GL_CLIP_PLANE0, eq);
-    glEnable(GL_CLIP_PLANE0);
-  }
-  
-  if (mDetectEmptyViewSpace) 
-        glEnable( GL_CULL_FACE );
-  else
-        glDisable( GL_CULL_FACE );
-
-  ObjectContainer::const_iterator oi = mObjects.begin();
-  for (; oi != mObjects.end(); oi++)
-        RenderIntersectable(*oi);
-
-  ViewCell *viewcell = NULL;
-
-  QImage im1, im2;
-  QImage diff;
-  
-  if (viewcell) {
-        // read back the texture
-        im1 = grabFrameBuffer(true);
-        
-        RenderPvs();
-
-        // read back the texture
-        im2 = grabFrameBuffer(true);
-        
-        diff = im1;
-        int x, y;
-        int errorPixels = 0;
-        
-        for (y = 0; y < im1.height(); y++)
-          for (x = 0; x < im1.width(); x++)
-                if (im1.pixel(x, y) == im2.pixel(x, y))
-                  diff.setPixel(x, y, qRgba(0,0,0,0));
-                else {
-                  diff.setPixel(x, y, qRgba(255,128,128,255));
-                  errorPixels++;
-                }
-        pErrorPixels = ((float)errorPixels)/(im1.height()*im1.width());
-  }
-
-  // now render the pvs again
+  
   SetupCamera();
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-  mUseFalseColors = false;
-  
-  oi = mObjects.begin();
-  for (; oi != mObjects.end(); oi++)
-        RenderIntersectable(*oi);
-
-  // now render im1
-  if (viewcell) {
-        if (0 && mTopView) {
-          mWireFrame = true;
-          RenderIntersectable(viewcell);
-          mWireFrame = false;
-        }
-        
-        // init ortographic projection
-        glMatrixMode(GL_PROJECTION);
-        glPushMatrix();
-        
-        glLoadIdentity();
-        gluOrtho2D(0, 1.0f, 0, 1.0f);
-        
-        glMatrixMode(GL_MODELVIEW);
-        glLoadIdentity();
-        
-        bindTexture(diff);
-        
-        glPushAttrib(GL_ENABLE_BIT);
-        glEnable( GL_ALPHA_TEST );
-        glDisable( GL_CULL_FACE );
-        glAlphaFunc( GL_GREATER, 0.5 );
-        
-        glEnable( GL_TEXTURE_2D );
-        glBegin(GL_QUADS);
-        
-        glTexCoord2f(0,0);
-        glVertex3f(0,0,0);
-        
-        glTexCoord2f(1,0);
-        glVertex3f( 1, 0, 0);
-        
-        glTexCoord2f(1,1);
-        glVertex3f( 1, 1, 0);
-        
-        glTexCoord2f(0,1);
-        glVertex3f(0, 1, 0);
-        glEnd();
-        
-        glPopAttrib();
-        
-        // restore the projection matrix
-        glMatrixMode(GL_PROJECTION);
-        glPopMatrix();
-        glMatrixMode(GL_MODELVIEW);
-  }
-
-  glDisable(GL_CLIP_PLANE0);
-  
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+  glPushAttrib(GL_ENABLE_BIT);
+
+  glStencilFunc(GL_EQUAL, 0x0, 0x1);
+  glStencilOp(GL_KEEP, GL_KEEP, GL_INCR); 
+
+  mUseForcedColors = true;
+
+  glColor3f(0.0f, 0.8f, 0.2f);
+
+  //    // Render PVS
+  RenderPvs();
+  
+  glEnable(GL_STENCIL_TEST); 
+  
+  //  mUseFalseColors = true;
+  
+  glDisable(GL_LIGHTING);
+  
+  OcclusionQuery *query = mOcclusionQueries[0];
+  query->BeginQuery();
+  
+  SetupCamera();
+
+  glColor3f(1.0f, 0.0f, 0.0f);
+  
+  RenderScene();
+
+  mUseForcedColors = false;
+
+  query->EndQuery();
+  
+  glDisable(GL_STENCIL_TEST);
+  glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+  glPopAttrib();
+
+  // reenable other state
+  //  int wait=0;
+  //  while (!query.ResultAvailable()) {
+  //    wait++;
+  //  }
+
+  int pixelCount = query->GetQueryResult();
+  pErrorPixels = ((float)pixelCount)/(GetWidth()*GetHeight());
+  cout<<"error pixels="<<pixelCount<<endl;
+
   mRenderError = pErrorPixels;
+
   return pErrorPixels;
 }
@@ -719 +655 @@
         if (!ok)
           break;
+        
         if (sscanf(text.toAscii(), "%f %f %f", &mViewPoint.x, &mViewPoint.y, &mViewPoint.z) == 3) {
-          updateGL();
+          text.sprintf("%f %f %f", mViewDirection.x, mViewDirection.y, mViewDirection.z);
+          text = QInputDialog::getText(this,
+                                                                   "Enter a direction",
+                                                                   "",
+                                                                   QLineEdit::Normal,
+                                                                   text,
+                                                                   &ok);
+          if (!ok)
+                break;
+          if (sscanf(text.toAscii(), "%f %f %f", &mViewDirection.x,
+                                 &mViewDirection.y, &mViewDirection.z) == 3) {
+                updateGL();
+          }
+          break;
         }
-        break;
   }
   default:
@@ -1058 +1007 @@
   
   glEnable(GL_CULL_FACE);
-  //glDisable(GL_CULL_FACE);
   glCullFace(GL_FRONT);
+
+  glDisable(GL_CULL_FACE);
   double eq[4];
   eq[0] = mSceneCutPlane.mNormal.x;
@@ -1089 +1039 @@
         //      Mesh *m = vc->GetMesh();
 
-
         RgbColor c;
 
@@ -1097 +1046 @@
         } else {
           //      const float importance = 5.0f*mTransferFunction * ((float)vc->GetPvs().CountObjectsInPvs() / (float)maxPvs);
-          const float importance = 5.0f*mTransferFunction * ((float)vc->GetPvs().GetSize() / (float)maxPvs);
+          const float importance = 5.0f*mTransferFunction *
+                ((float)vc->GetPvs().GetSize() / (float)maxPvs);
           c = RgbColor(importance, 1.0f - importance, 0.0f);
         }