Changeset 2931 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp

Timestamp:

09/11/08 17:31:36 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp (modified) (9 diffs)

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

@@ -100 +100 @@
 static int winHeight = 768;
 
+const float shadowSize = 4096;
 
 static float winAspectRatio = 1.0f;
@@ -179 +180 @@
 
 static Matrix4x4 matProjectionView = IdentityMatrix();
+
+bool renderLightView = false;
+
 
 
@@ -873 +877 @@
         
 
-        // render without shading
+
+        if ((!shadowMap || !shadowTraverser) && (showShadowMap || renderLightView))
+        {
+                if (!shadowMap)
+                        shadowMap = new ShadowMap(light, shadowSize, bvh->GetBox(), camera);
+
+                if (!shadowTraverser)
+                        shadowTraverser = CreateTraverser(shadowMap->GetShadowCamera());
+
+        }
+
+        // hack
+        int oldRenderType = renderType;
+
+        if (renderLightView)
+                renderType = RenderState::FIXED;
+
+
+        // render with the specified method (forward rendering, forward + depth, deferred)
         switch (renderType)
         {
@@ -909 +931 @@
         case RenderState::DEFERRED:
 
-                if (showShadowMap)// && shadowChanged)
+                if (showShadowMap && !renderLightView)// && shadowChanged)
                 {
-                        if (!shadowMap)
-                        {
-                                const float shadowSize = 4096;
-                                //const float shadowSize = 512;
-                                shadowMap = new ShadowMap(light, shadowSize, bvh->GetBox(), camera);
-                        }
-
-                        // change CHC state (must be done for each change of camera)
-                        BvhNode::SetCurrentState(1);
-
-                        if (!shadowTraverser)
-                                shadowTraverser = CreateTraverser(shadowMap->GetShadowCamera());
-
                         shadowChanged = false;
-
-#if 0
-                        state.SetRenderType(RenderState::DEFERRED);
-
-                        fbo->Bind();
-
-                        glPushAttrib(GL_VIEWPORT_BIT);
-                        glViewport(0, 0, texWidth, texHeight);
-
-                        cgGLEnableProfile(RenderState::sCgFragmentProfile);
-                        cgGLBindProgram(RenderState::sCgMrtFragmentProgram);
-
-                        cgGLEnableProfile(RenderState::sCgVertexProfile);
-                        cgGLBindProgram(sCgMrtVertexProgram);
-#else
 
                         cgGLDisableProfile(RenderState::sCgFragmentProfile);
@@ -945 +939 @@
 
                         state.SetRenderType(RenderState::DEPTH_PASS);
-#endif
+                        
+                        // change CHC++ set of state variables (must be done for each change of camera because
+                        // otherwise the temporal coherency is broken
+                        BvhNode::SetCurrentState(1);
+
                         // the scene is rendered withouth any shading   
                         shadowMap->ComputeShadowMap(shadowTraverser, matProjectionView);
@@ -1002 +1000 @@
         glLightfv(GL_LIGHT1, GL_POSITION, position1);
 
-        // actually render the scene geometry using the specified algorithm
-        traverser->RenderScene();
+
+        if (renderLightView)
+        {
+                // change CHC++ set of state variables (must be done for each change of camera because
+                // otherwise the temporal coherency is broken
+                BvhNode::SetCurrentState(1);
+                shadowMap->RenderShadowView(shadowTraverser, matProjectionView);
+                BvhNode::SetCurrentState(0);
+        }
+        else
+                // actually render the scene geometry using the specified algorithm
+                traverser->RenderScene();
 
 
@@ -1068 +1076 @@
         glDisableClientState(GL_VERTEX_ARRAY);
         glDisableClientState(GL_NORMAL_ARRAY);
-
+        
+        renderType = oldRenderType;
 
 
@@ -1114 +1123 @@
                 traverser = CreateTraverser(camera);
 
-                if (shadowTraverser && shadowMap) 
+                if (shadowTraverser)
                 {
+                        // shadow traverser has to be recomputed (this is done on demand)
                         DEL_PTR(shadowTraverser);
-                        //shadowTraverser = CreateTraverser(shadowMap->GetShadowCamera());
                 }
 
@@ -1202 +1211 @@
         case 'a':
         case 'A':
-                        leftKeyPressed = true;
+                leftKeyPressed = true;
                 break;
         case 'd':
         case 'D':
-                        rightKeyPressed = true;
+                rightKeyPressed = true;
                 break;
         case 'w':
         case 'W':
-                        upKeyPressed = true;
+                upKeyPressed = true;
                 break;
         case 's':
         case 'S':
-                        downKeyPressed = true;
+                downKeyPressed = true;
                 break;
         case 'r':
         case 'R':
-                {
-                        useRenderQueue = !useRenderQueue;
-                        traverser->SetUseRenderQueue(useRenderQueue);
-                }
+                useRenderQueue = !useRenderQueue;
+                traverser->SetUseRenderQueue(useRenderQueue);
+                
                 break;
         case 'b':
         case 'B':
-                {
-                        useTightBounds = !useTightBounds;
-                        traverser->SetUseTightBounds(useTightBounds);
-                }
+                useTightBounds = !useTightBounds;
+                traverser->SetUseTightBounds(useTightBounds);
+                break;
+        case 'l':
+        case 'L':
+                renderLightView = !renderLightView;
                 break;
         default: