Changeset 2857 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp

Timestamp:

08/20/08 16:30:28 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp (modified) (12 diffs)

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

@@ -32 +32 @@
 #include "Transform3.h"
 #include "SampleGenerator.h"
+#include "FrameBufferObject.h"
 
 
@@ -201 +202 @@
 static Matrix4x4 matProjectionView = IdentityMatrix();
 
+FrameBufferObject *myfbo = NULL;
+
 
 // function forward declarations
@@ -466 +469 @@
         CreateNoiseTex2D();
 
-        // init render traverser
+        // initialize the render traverser
         ResetTraverser();
 
@@ -476 +479 @@
         frameTimer.Start();
 
-
+        // the rendering loop
         glutMainLoop();
 
@@ -663 +666 @@
 void InitFBO()
 {
+        // this fbo basicly stores the scene information we get from standard rendering of a frame
+        // we store colors, normals, positions (for the ssao)
+        myfbo = new FrameBufferObject(texWidth, texHeight, true, FrameBufferObject::DEPTH_24);
+
+
+        ColorBufferObject *diffuseBuffer = 
+                myfbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, 
+                                      ColorBufferObject::WRAP_CLAMP_TO_EDGE, 
+                                                          ColorBufferObject::FILTER_LINEAR, 
+                                                          false, false);
+
+        ColorBufferObject *mypositionBuffer = 
+                myfbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, 
+                                      ColorBufferObject::WRAP_CLAMP_TO_EDGE, 
+                                                          ColorBufferObject::FILTER_NEAREST, 
+                                                          false, false);
+
+
+        ColorBufferObject *mynormalsBuffer = 
+                myfbo->AddColorBuffer(ColorBufferObject::BUFFER_UBYTE, 
+                                      ColorBufferObject::WRAP_CLAMP_TO_EDGE, 
+                                                          ColorBufferObject::FILTER_NEAREST, 
+                                                          false, false);
+
+        
+
+
+        ////////////////////////
+
         glGenFramebuffersEXT(1, &fbo);
         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
@@ -673 +705 @@
         glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, colorsBuffer);
         
+#if 1
         glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA32F_ARB, texWidth, texHeight);
-
+#else
         int samples = 8;
-        //glEnable(GL_MULTISAMPLE_ARB);
-        //glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples, GL_RGBA8, texWidth, texHeight);
+        glEnable(GL_MULTISAMPLE_ARB);
+        glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples, GL_RGBA8, texWidth, texHeight);
+#endif
+
         glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, colorsBuffer);
         
@@ -1111 +1146 @@
 
 
+// the main rendering loop
 void Display() 
 {       
@@ -1166 +1202 @@
                 glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 
-                state.SetRenderType(RenderState::DEPTH_PASS);
-                glDisable(GL_LIGHTING);
-
                 cgGLDisableProfile(RenderState::sCgFragmentProfile);
                 cgGLDisableProfile(RenderState::sCgVertexProfile);
+
+                state.SetRenderType(RenderState::DEPTH_PASS);
+
+                // the scene is rendered withouth any shading   
+                glDisable(GL_LIGHTING);
         
                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -1219 +1257 @@
         SetupEyeView();
 
-
-        /*state.Reset();
-        state.SetState(RenderState::RENDER);
-        
+        // actually render the scene geometry using one of the specified algorithms
+        traverser->RenderScene();
+
+
+
+        /////////
+        //-- do the rest of the rendering
+
         glEnableClientState(GL_VERTEX_ARRAY);
         glEnableClientState(GL_NORMAL_ARRAY);
 
-        for (int i = 0; i < loader->mSceneEntities.size(); ++ i)
-        {
-                SceneEntity *ent = loader->mSceneEntities[i];
-
-                ent->UpdateLODs(camera);
-                ent->Render(&state);
-        }*/
-
-        // actually render the scene geometry using one of the specified algorithms
-        traverser->RenderScene();
-
-
-
-        /////////
-        //-- do the rest of the rendering
-
-        glEnableClientState(GL_VERTEX_ARRAY);
-        glEnableClientState(GL_NORMAL_ARRAY);
-
 
         // reset depth pass and render visible objects
@@ -1264 +1287 @@
         glDisableClientState(GL_NORMAL_ARRAY);
 
+
         if (renderType == RenderState::DEFERRED) 
         {
-                glPopAttrib();
+                //glPopAttrib();
                 glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 
@@ -1296 +1320 @@
         }
 
-        glFlush();
+        //glFlush();
 
         const bool restart = true;
@@ -1303 +1327 @@
         DisplayStats();
 
+        // flip textures for temporal smoothing
         isFirstTexture = !isFirstTexture;