Changeset 3245 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp

Timestamp:

01/04/09 16:06:56 (15 years ago)

Author:

mattausch

Message:

pvs seems to work now

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp (modified) (6 diffs)

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

@@ -141 +141 @@
 ViewCellsTree *viewCellsTree = NULL;
 
+static int globalVisibleId = 0;
+
+ViewCell *viewCell = NULL;
+
 
 /// the technique used for rendering
@@ -655 +659 @@
         SceneEntityConverter conv;
 
-        // toto clean up material
+
+        //////////////////
+        //-- occlusion query for sun
+
+        // todo: clean up material
         Material *mat = resourceManager->CreateMaterial();
 
@@ -662 +670 @@
 
         sunBox = conv.ConvertBox(sbox, mat, trafo);
-        
         resourceManager->AddSceneEntity(sunBox);
 
@@ -1253 +1260 @@
         else
         {
+                RenderPvs();
+
                 // actually render the scene geometry using the specified algorithm
-                //traverser->RenderScene();
-
-                RenderPvs();
+                traverser->RenderScene();
         }
 
@@ -1954 +1961 @@
 {
         visualization->SetFrameId(traverser->GetCurrentFrameId());
-        
+        visualization->SetViewCell(viewCell);
+
         Begin2D();
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -2518 +2526 @@
 
 
+static Technique GetVizTechnique()
+{
+        Technique tech;
+        tech.Init();
+
+        //tech.SetLightingEnabled(false);
+        //tech.SetDepthWriteEnabled(false);
+
+        tech.SetEmmisive(RgbaColor(1.0f, 1.0f, 1.0f, 1.0f));
+        tech.SetDiffuse(RgbaColor(1.0f, 1.0f, 1.0f, 1.0f));
+        tech.SetAmbient(RgbaColor(1.0f, 1.0f, 1.0f, 1.0f));
+
+        return tech;
+}
+
+
 void RenderPvs()
 {
-        ViewCell *vc = viewCellsTree->GetViewCell(camera->GetPosition());
-
-        for (int i = 0; i < vc->mPvs.Size(); ++ i)
-        {
-                SceneEntity *ent = vc->mPvs.GetEntry(i);
-                ent->Render(&renderState);
-        }
-}
+        viewCell = viewCellsTree->GetViewCell(camera->GetPosition());
+
+        int numTriangles = 0;
+
+        for (int i = 0; i < viewCell->mPvs.Size(); ++ i)
+        {
+                SceneEntity *ent = viewCell->mPvs.GetEntry(i);
+                //ent->Render(&renderState);
+                ent->SetVisibleId(globalVisibleId);
+
+                numTriangles += ent->CountNumTriangles();
+        }
+
+        SceneEntity::SetGlobalVisibleId(globalVisibleId ++);
+
+        // render current view cell
+        static Technique vcTechnique = GetVizTechnique();
+
+        vcTechnique.Render(&renderState);
+        Visualization::RenderBoxForViz(viewCell->GetBox());
+
+        visualization->SetViewCell(viewCell);
+
+        //cout << "pvs: " << vc->mPvs.Size() << " triangles: " << numTriangles << endl;
+}