Changeset 3019

Timestamp:

10/09/08 18:36:03 (16 years ago)

Author:

mattausch

Message:

detected memory leaks mainly in shadowmapping!!
strange problems with deferred rendering, seems to be uninitialized sometimes (solved?)

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling

Files:

• FriendlyCulling.sln (modified) (2 diffs)
• FriendlyCulling.vcproj (modified) (5 diffs)
• MainApp.vcproj (modified) (3 diffs)
• src/DeferredRenderer.cpp (modified) (21 diffs)
• src/DeferredRenderer.h (modified) (3 diffs)
• src/ResourceManager.cpp (modified) (3 diffs)
• src/ResourceManager.h (modified) (2 diffs)
• src/ShadowMapping.cpp (modified) (2 diffs)
• src/chcdemo.cpp (modified) (19 diffs)
• src/common.cpp (modified) (1 diff)
• src/common.h (modified) (3 diffs)
• src/shaders/globillum.cg (modified) (7 diffs)
• src/shaders/ssao.cg (modified) (3 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/FriendlyCulling.sln

@@ -7 +7 @@
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MainApp", "MainApp.vcproj", "{A564071F-D054-4556-883B-999D7F9CC58C}"
-        ProjectSection(ProjectDependencies) = postProject
-                {03661866-4093-4B02-B26A-028EA91AF023} = {03661866-4093-4B02-B26A-028EA91AF023}
-        EndProjectSection
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "IrradianceMapping", "IrradianceMapping.vcproj", "{91680C49-A358-48AE-A02C-66CB884B7D7F}"
         ProjectSection(ProjectDependencies) = postProject
                 {03661866-4093-4B02-B26A-028EA91AF023} = {03661866-4093-4B02-B26A-028EA91AF023}
@@ -34 +29 @@
                 {A564071F-D054-4556-883B-999D7F9CC58C}.Release|Win32.ActiveCfg = Release|Win32
                 {A564071F-D054-4556-883B-999D7F9CC58C}.Release|Win32.Build.0 = Release|Win32
-                {91680C49-A358-48AE-A02C-66CB884B7D7F}.Debug|Win32.ActiveCfg = Debug|Win32
-                {91680C49-A358-48AE-A02C-66CB884B7D7F}.Debug|Win32.Build.0 = Debug|Win32
-                {91680C49-A358-48AE-A02C-66CB884B7D7F}.Release|Win32.ActiveCfg = Release|Win32
-                {91680C49-A358-48AE-A02C-66CB884B7D7F}.Release|Win32.Build.0 = Release|Win32
         EndGlobalSection
         GlobalSection(SolutionProperties) = preSolution

GTP/trunk/App/Demos/Vis/FriendlyCulling/FriendlyCulling.vcproj

@@ -18 +18 @@
                 <Configuration
                         Name="Debug|Win32"
-                        OutputDirectory="$(SolutionDir)/bin/$(ConfigurationName)"
+                        OutputDirectory="$(SolutionDir)/lib/$(ConfigurationName)"
                         IntermediateDirectory="obj/$(ConfigurationName)"
-                        ConfigurationType="1"
+                        ConfigurationType="4"
                         CharacterSet="1"
                         >
@@ -62 +62 @@
                         />
                         <Tool
-                                Name="VCLinkerTool"
-                                AdditionalDependencies="glut32.lib glew32s.lib glew32.lib DevIL.lib ILUT.lib zlib.lib cg.lib cgGL.lib"
-                                LinkIncremental="2"
-                                AdditionalLibraryDirectories="libs/GL;libs/Devil/lib;libs/Zlib/lib;&quot;$(CG_LIB_PATH)&quot;"
-                                IgnoreDefaultLibraryNames="LIBCMT"
-                                GenerateDebugInformation="true"
-                                SubSystem="1"
-                                TargetMachine="1"
+                                Name="VCLibrarianTool"
                         />
                         <Tool
@@ -75 +68 @@
                         />
                         <Tool
-                                Name="VCManifestTool"
-                        />
-                        <Tool
                                 Name="VCXDCMakeTool"
                         />
@@ -85 +75 @@
                         <Tool
                                 Name="VCFxCopTool"
-                        />
-                        <Tool
-                                Name="VCAppVerifierTool"
-                        />
-                        <Tool
-                                Name="VCWebDeploymentTool"
                         />
                         <Tool
@@ -128 +112 @@
                                 EnableFiberSafeOptimizations="true"
                                 AdditionalIncludeDirectories="libs;libs/GL;libs/Devil/include;src;libs/Zlib/include;&quot;$(CG_INC_PATH)&quot;"
-                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE; _CRT_SECURE_NO_WARNINGS"
+                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS"
                                 StringPooling="true"
                                 RuntimeLibrary="2"

GTP/trunk/App/Demos/Vis/FriendlyCulling/MainApp.vcproj

@@ -41 +41 @@
                                 Name="VCCLCompilerTool"
                                 Optimization="0"
-                                PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+                                AdditionalIncludeDirectories="libs;libs/GL;libs/Devil/include;src;libs/Zlib/include;"$(CG_INC_PATH)""
+                                PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;_CRT_SET"
                                 MinimalRebuild="true"
                                 BasicRuntimeChecks="3"
@@ -61 +62 @@
                         <Tool
                                 Name="VCLinkerTool"
+                                AdditionalDependencies="DemoEngine.lib glut32.lib glew32s.lib glew32.lib DevIL.lib ILUT.lib zlib.lib cg.lib cgGL.lib"
+                                OutputFile="$(OutDir)\FriendlyCulling.exe"
                                 LinkIncremental="2"
+                                AdditionalLibraryDirectories="&quot;lib/$(ConfigurationName)&quot;;libs;&quot;$(CG_LIB_PATH)&quot;;libs/GL;libs/Devil/lib;libs/Zlib/lib"
                                 GenerateDebugInformation="true"
                                 SubSystem="1"
@@ -122 +126 @@
                                 EnableFiberSafeOptimizations="true"
                                 AdditionalIncludeDirectories="libs;libs/GL;libs/Devil/include;src;libs/Zlib/include;&quot;$(CG_INC_PATH)&quot;"
-                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE; _CRT_SECURE_NO_WARNINGS"
+                                PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS"
                                 RuntimeLibrary="2"
                                 EnableEnhancedInstructionSet="2"

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

@@ -61 +61 @@
 
 
+ShaderContainer DeferredRenderer::sShaders;
 
 ///////////////////////////////////////
@@ -296 +297 @@
 
 
+static void InitBuffer(FrameBufferObject *fbo, int index)
+{
+        // read the second buffer, write to the first buffer
+        fbo->Bind();
+        glDrawBuffers(1, mrt + index);
+
+        //glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glEnd();
+
+        FrameBufferObject::Release();
+}
+
+
 DeferredRenderer::DeferredRenderer(int w, int h, Camera *cam, float scaleFactor):
 mWidth(w), mHeight(h), 
@@ -303 +319 @@
 mSamplingMethod(SAMPLING_POISSON),
 mShadingMethod(DEFAULT),
-mFboIndex(0)
+mIllumFboIndex(0)
 {
         // create noise texture for ssao
@@ -312 +328 @@
         //-- the flip-flop fbos
 
-        mFbo = new FrameBufferObject(w / 2, h / 2, FrameBufferObject::DEPTH_NONE);
-        //mFbo = new FrameBufferObject(w, h, FrameBufferObject::DEPTH_NONE);
-
-        mFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
-        mFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
-        mFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
-        mFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
+        mIllumFbo = new FrameBufferObject(w / 2, h / 2, FrameBufferObject::DEPTH_NONE);
+        mFBOs.push_back(mIllumFbo);
+
+        for (int i = 0; i < 4; ++ i)
+        {
+                mIllumFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
+                InitBuffer(mIllumFbo, i);
+        }
 
         mDownSampleFbo = new FrameBufferObject(w / 2, h / 2, FrameBufferObject::DEPTH_NONE);
-
         mDownSampleFbo->AddColorBuffer(ColorBufferObject::RGBA_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
         mDownSampleFbo->AddColorBuffer(ColorBufferObject::RGB_FLOAT_16, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_LINEAR);
-}
-
+
+        mFBOs.push_back(mDownSampleFbo);
+}
 
 
 DeferredRenderer::~DeferredRenderer() 
 {
-        if (sCgSsaoProgram)     cgDestroyProgram(sCgSsaoProgram);
-        if (sCgDeferredProgram) cgDestroyProgram(sCgDeferredProgram);
-        if (sCgSsaoProgram)     cgDestroyProgram(sCgSsaoProgram);
-        if (sCgGiProgram) cgDestroyProgram(sCgGiProgram);
-        if (sCgAntiAliasingProgram) cgDestroyProgram(sCgAntiAliasingProgram);
-
-        DEL_PTR(mFbo);
+        CLEAR_CONTAINER(sShaders);
+        CLEAR_CONTAINER(mFBOs);
 
         glDeleteTextures(1, &noiseTex);
@@ -350 +362 @@
 void DeferredRenderer::Init(CGcontext context)
 {       
+        ShaderProgram *pr;
+
+
         sCgDeferredProgram = 
                 cgCreateProgramFromFile(context, 
@@ -368 +383 @@
                 
                 sLightDirParam = cgGetNamedParameter(sCgDeferredProgram, "lightDir");
+
+                pr = new ShaderProgram(sCgDeferredProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -407 +425 @@
                 sBRParam = cgGetNamedParameter(sCgSsaoProgram, "br"); 
                 sBLParam = cgGetNamedParameter(sCgSsaoProgram, "bl"); 
+
+                pr = new ShaderProgram(sCgSsaoProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -443 +464 @@
 
                 sEyePosGiParam = cgGetNamedParameter(sCgGiProgram, "eyePos");
+
+                pr = new ShaderProgram(sCgGiProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -462 +486 @@
                 sSsaoTexCombinedIllumParam = cgGetNamedParameter(sCgCombinedIllumProgram, "ssaoTex");
                 sIllumTexCombinedIllumParam = cgGetNamedParameter(sCgCombinedIllumProgram, "illumTex");
+
+                pr = new ShaderProgram(sCgCombinedIllumProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -484 +511 @@
                 sFilterOffsetsParam = cgGetNamedParameter(sCgCombinedSsaoProgram, "filterOffs");
                 sFilterWeightsParam = cgGetNamedParameter(sCgCombinedSsaoProgram, "filterWeights");
+
+                pr = new ShaderProgram(sCgCombinedSsaoProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -503 +533 @@
                 sColorsTexAntiAliasingParam = cgGetNamedParameter(sCgAntiAliasingProgram, "colors");  
                 sNormalsTexAntiAliasingParam = cgGetNamedParameter(sCgAntiAliasingProgram, "normals");
+
+                pr = new ShaderProgram(sCgAntiAliasingProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -538 +571 @@
 
                 cgGLSetParameterArray2f(sSamplesShadowParam, 0, NUM_PCF_TABS, (const float *)pcfSamples);
+
+                pr = new ShaderProgram(sCgDeferredShadowProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -553 +589 @@
         {
                 cgGLLoadProgram(sCgLogLumProgram);
-                sColorsTexLogLumParam = cgGetNamedParameter(sCgLogLumProgram, "colors");  
+                sColorsTexLogLumParam = cgGetNamedParameter(sCgLogLumProgram, "colors"); 
+
+                pr = new ShaderProgram(sCgLogLumProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -576 +615 @@
 
                 sColorsTexToneParam = cgGetNamedParameter(sCgToneProgram, "colors");  
+
+                pr = new ShaderProgram(sCgToneProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -596 +638 @@
                 sColorsTexDownSampleParam = cgGetNamedParameter(sCgDownSampleProgram, "colors"); 
                 sDownSampleOffsetParam = cgGetNamedParameter(sCgDownSampleProgram, "downSampleOffs");
+
+                pr = new ShaderProgram(sCgDownSampleProgram);
+                sShaders.push_back(pr);
         }
         else
@@ -618 +663 @@
         // the other one will be written
 
-        mFboIndex = 2 - mFboIndex;
+        mIllumFboIndex = 2 - mIllumFboIndex;
         
 
@@ -726 +771 @@
 #endif
 
-        GLuint oldTex = mFbo->GetColorBuffer(2 - mFboIndex)->GetTexture();
+        GLuint oldTex = mIllumFbo->GetColorBuffer(2 - mIllumFboIndex)->GetTexture();
 
         glPushAttrib(GL_VIEWPORT_BIT);
-        glViewport(0, 0, mFbo->GetWidth(), mFbo->GetHeight());
+        glViewport(0, 0, mIllumFbo->GetWidth(), mIllumFbo->GetHeight());
 
         // read the second buffer, write to the first buffer
-        mFbo->Bind();
-        glDrawBuffers(1, mrt + mFboIndex);
+        mIllumFbo->Bind();
+        glDrawBuffers(1, mrt + mIllumFboIndex);
 
         
@@ -850 +895 @@
         cgGLEnableTextureParameter(sNormalsTexAntiAliasingParam);
 
-
+        // glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
         glColor3f(1.0f, 1.0f, 1.0f);
 
@@ -939 +984 @@
 
         glPushAttrib(GL_VIEWPORT_BIT);
-        glViewport(0, 0, mFbo->GetWidth(), mFbo->GetHeight());
+        glViewport(0, 0, mIllumFbo->GetWidth(), mIllumFbo->GetHeight());
 
         // read the second buffer, write to the first buffer
-        mFbo->Bind();
-
-        glDrawBuffers(2, mrt + mFboIndex);
-
-        GLuint oldSsaoTex = mFbo->GetColorBuffer(2 - mFboIndex)->GetTexture();
-        GLuint oldIllumTex = mFbo->GetColorBuffer(2 - mFboIndex + 1)->GetTexture();
+        mIllumFbo->Bind();
+
+        glDrawBuffers(2, mrt + mIllumFboIndex);
+
+        GLuint oldSsaoTex = mIllumFbo->GetColorBuffer(2 - mIllumFboIndex)->GetTexture();
+        GLuint oldIllumTex = mIllumFbo->GetColorBuffer(2 - mIllumFboIndex + 1)->GetTexture();
         
         cgGLBindProgram(sCgGiProgram);
@@ -1024 +1069 @@
         GLuint colorsTex = fbo->GetColorBuffer(colorBufferIdx)->GetTexture();
 
-        GLuint ssaoTex = mFbo->GetColorBuffer(mFboIndex)->GetTexture();
-        GLuint illumTex = mFbo->GetColorBuffer(mFboIndex + 1)->GetTexture();
+        GLuint ssaoTex = mIllumFbo->GetColorBuffer(mIllumFboIndex)->GetTexture();
+        GLuint illumTex = mIllumFbo->GetColorBuffer(mIllumFboIndex + 1)->GetTexture();
 
 
@@ -1084 +1129 @@
         GLuint positionsTex = fbo->GetColorBuffer(2)->GetTexture();
         
-        GLuint ssaoTex = mFbo->GetColorBuffer(mFboIndex)->GetTexture();
+        GLuint ssaoTex = mIllumFbo->GetColorBuffer(mIllumFboIndex)->GetTexture();
 
         // overwrite old color texture

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/DeferredRenderer.h

@@ -19 +19 @@
 class DirectionalLight;
 
+
+class ShaderProgram
+{
+public:
+
+        ShaderProgram(CGprogram program): mProgram(program) {}
+
+        ~ShaderProgram() { cgDestroyProgram(mProgram); }
+
+        CGprogram mProgram;
+};
+
+
+typedef  std::vector<ShaderProgram *> ShaderContainer;
+typedef  std::vector<FrameBufferObject *> FBOContainer;
 
 /** This class implements a deferred shading algorithm that takes
@@ -108 +123 @@
 
         int mSamplingMethod;
-        int mFboIndex;
 
         int mShadingMethod;
@@ -114 +128 @@
         bool mRegenerateSamples;
 
-        // the main fbo we are working with
-        FrameBufferObject *mFbo;
+        int mIllumFboIndex;
+        // the fbo for indirect illumination (ssao + color bleeding)
+        FrameBufferObject *mIllumFbo;
 
         FrameBufferObject *mDownSampleFbo;
+
+        FBOContainer mFBOs;
+
+        static ShaderContainer sShaders;
 };
 

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

@@ -29 +29 @@
         CLEAR_CONTAINER(mTrafos);
         CLEAR_CONTAINER(mShapes);
+        CLEAR_CONTAINER(mLODs);
 }
 
@@ -73 +74 @@
                 str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
 
-                
                 LODLevel *lodLevel = new LODLevel(dist);
 
@@ -93 +93 @@
                 }
 
+                mLODs.push_back(lodLevel);
                 sceneGeom->AddLODLevel(lodLevel);
         }

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ResourceManager.h

@@ -9 +9 @@
 #include "common.h"
 
+
+#define _CRTDBG_MAP_ALLOC
 
 class igzstream;
@@ -60 +62 @@
         ShapeContainer mShapes;
 
+        LODContainer mLODs;
 
         ////////

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

@@ -160 +160 @@
         DEL_PTR(mFbo);
         DEL_PTR(mShadowCam);
+
+        DEL_PTR(lightPoly);
+        DEL_PTR(polyhedron);
 }
 
@@ -649 +652 @@
         glDisable(GL_DEPTH_TEST);
 
-        //glLineWidth(2);
         Polyhedron *hpoly = CreatePolyhedron(projView, mSceneBox);
         DrawPoly(hpoly, Vector3(1, 1, 1));
-
         DEL_PTR(hpoly);
 

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

@@ -1 +1 @@
 // chcdemo.cpp : Defines the entry point for the console application.
 //
-#include "glInterface.h"
+
+#ifdef _CRT_SET
+        #define _CRTDBG_MAP_ALLOC
+        #include <stdlib.h>
+        #include <crtdbg.h>
+#endif
+
+#include "common.h"
+
+#ifdef _CRT_SET
+        // redefine new operator
+        #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
+        #define new DEBUG_NEW
+#endif
+
+
 #include <math.h>
 #include <time.h>
-#include "common.h"
+#include "glInterface.h"
+
+#include <Cg/cg.h>
+#include <Cg/cgGL.h>
+
+
 #include "RenderTraverser.h"
 #include "SceneEntity.h"
@@ -40 +60 @@
 #include "EntityMerger.h"
 
-#include <Cg/cg.h>
-#include <Cg/cgGL.h>
-
-
 using namespace std;
 using namespace CHCDemoEngine;
@@ -59 +75 @@
 /// the renderable scene geometry
 SceneEntityContainer sceneEntities;
-SceneEntityContainer sceneEntities2;
 
 // traverses and renders the hierarchy
@@ -255 +270 @@
 inline float KeyRotationAngle() { return keyRotation * elapsedTime * 1e-3f; }
 inline float KeyShift() { return keyForwardMotion * elapsedTime * 1e-3f; }
-
+// initialise the frame buffer objects
 void InitFBO();
 
@@ -309 +324 @@
 int main(int argc, char* argv[])
 {
+#ifdef _CRT_SET
+
+        //Now just call this function at the start of your program and if you're
+        //compiling in debug mode (F5), any leaks will be displayed in the Output
+        //window when the program shuts down. If you're not in debug mode this will
+        //be ignored. Use it as you will!
+        //note: from GDNet Direct [3.8.04 - 3.14.04] void detectMemoryLeaks() {
+
+        _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF|_CRTDBG_ALLOC_MEM_DF);
+        _CrtSetReportMode(_CRT_ASSERT,_CRTDBG_MODE_FILE);
+        _CrtSetReportFile(_CRT_ASSERT,_CRTDBG_FILE_STDERR); 
+#endif
+
+        cout << "=== reading environment file ===" << endl << endl;
+
         int returnCode = 0;
 
@@ -317 +347 @@
         cout << "=== reading environment file ===" << endl << endl;
 
-        string envFileName = "default.env";
+        const string envFileName = "default.env";
         if (!env.Read(envFileName))
         {
@@ -347 +377 @@
                 //env.GetStringParam(string("modelPath"), model_path);
                 //env.GetIntParam(string("numSssaoSamples"), numSsaoSamples);
-
 
                 cout << "assumedVisibleFrames: " << assumedVisibleFrames << endl; 
@@ -395 +424 @@
         SceneEntity::SetUseLODs(useLODs);
 
-
         if (!useFullScreen)
         {
@@ -420 +448 @@
         InitGLstate();
 
-
         glEnable(GL_MULTISAMPLE_ARB);
         glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
@@ -432 +459 @@
 
         const string filename = string(model_path + "city.dem");
+        
 
         if (loader->Load(filename, sceneEntities))
@@ -441 +469 @@
                 exit(0);
         }
+        
 
         const string bvh_filename = string(model_path + "city.bvh");
@@ -452 +481 @@
                 exit(0);
         }
-        
 
         // set far plane based on scene extent
@@ -468 +496 @@
         
         Matrix4x4 transl = TranslationMatrix(cubeCenter);
-        
 
         SceneEntityContainer dummy;
@@ -474 +501 @@
         string skyDomeStr(model_path + "sky.dem");
 
-        if (loader->Load(skyDomeStr, dummy))
-                cout << "successfully loaded " << dummy.size() << " scene entities" << endl;
+        if (loader->Load(skyDomeStr, sceneEntities))
+                cout << "successfully loaded " << sceneEntities.size() << " scene entities" << endl;
         else
         {
@@ -484 +511 @@
         }
 
-        skyDome = dummy[0];
+        skyDome = sceneEntities.back();
 
 
@@ -506 +533 @@
         // clean up
         CleanUp();
-
+        
         return 0;
 }
@@ -572 +599 @@
                 cgGLLoadProgram(RenderState::sCgMrtFragmentProgram);
 
-                sEyePosParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "eyePos");
+                sEyePosParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "eyePos");
         }
         else
@@ -613 +640 @@
         glGenTextures(1, &fontTex);
         glBindTexture(GL_TEXTURE_2D, fontTex);
+
         if (!myfont.Create("data/fonts/verdana.glf", fontTex))
                 return false;
@@ -1747 +1775 @@
         DEL_PTR(ssaoShader);
 
+        DEL_PTR(light);
+        DEL_PTR(visCamera);
+
+        DEL_PTR(preetham);
+
         if (sCgMrtVertexProgram)
                 cgDestroyProgram(sCgMrtVertexProgram);

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

@@ -276 +276 @@
 }
 
-char *
-strdup(char *a)
-{
-        if (a) {
-                char *s = new char[strlen(a)+1];
-                strcpy(s, a);
-                return s;
-        } else
-                return NULL;
-}
 
 bool

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/common.h

@@ -32 +32 @@
 class Vector3;
 class Geometry;
-
+struct LODLevel;
 
 
@@ -445 +445 @@
 
 
-char *
-GetAbsPath(char *path);
-
-char *
-strdup(char *a);
+char *GetAbsPath(char *path);
+
 
 std::string
@@ -495 +492 @@
 typedef std::vector<LODLevel *> LODLevelContainer;
 typedef std::vector<Polygon3 *> PolygonContainer;
+typedef std::vector<LODLevel *> LODContainer;
 
 typedef std::vector<Vector3> VertexArray;

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/globillum.cg

@@ -85 +85 @@
         for (int i = 0; i < NUM_SAMPLES; i ++) 
         {
-                float2 offset = samples[i];
+                const float2 offset = samples[i];
 
 #if 1
@@ -104 +104 @@
                 //-- reconstruct world space position from sample
 
-                const float4 sample = tex2Dlod(colors, float4(texcoord, 0, 0));
+                //const float4 sample = tex2Dlod(colors, float4(texcoord, 0, 0));
+                const float4 sample = tex2D(colors, texcoord);
 
                 const float eyeSpaceDepth = sample.w;
-                //float3 rotView = normalize(Interpol(texcoord, bl, br, tl, tr));
                 float3 rotView = Interpol(texcoord, bl, br, tl, tr);
                 
-                const float3 sample_position = - rotView * eyeSpaceDepth;
-                const float3 sample_color = sample.xyz;
+                const float3 samplePos = - rotView * eyeSpaceDepth;
+                const float3 sampleCol = sample.xyz;
 
                 // distance between current position and sample position controls AO intensity.
 
-                float3 vector_to_sample = sample_position - centerPosition.xyz;
-                const float length_to_sample = length(vector_to_sample);
-
-                float3 direction_to_sample = vector_to_sample / length_to_sample;
+                float3 dirSample = samplePos - centerPosition.xyz;
+                const float magSample = length(dirSample);
+                // normalize
+                dirSample /= magSample;
 
                 // use angle between current normal and direction to sample controls AO intensity.
-                float cos_angle = max(dot(direction_to_sample, currentNormal), 0);
-
-                const float denom = (DISTANCE_SCALE + length_to_sample * length_to_sample);
-
-                const float ssao_intensity = SAMPLE_INTENSITY / denom;
-                const float illum_intensity = ILLUM_INTENSITY / denom;
+                float cosAngle = max(dot(dirSample, currentNormal), 0);
+
+                const float denom = (DISTANCE_SCALE + magSample * magSample);
+
+                float2 intensity = float2(SAMPLE_INTENSITY, ILLUM_INTENSITY);
+                intensity /= denom;
 
                 // if normal perpenticular to view dir, only the samples approx count half
 #if 1
-                const float view_correction = 1.0f + VIEW_CORRECTION_SCALE * dot(viewDir, currentNormal);
-        
-                total_ao += cos_angle * ssao_intensity * view_correction;
-                total_color += cos_angle * illum_intensity * sample_color * view_correction;
+                const float viewCorrect = 1.0f + VIEW_CORRECTION_SCALE * dot(viewDir, currentNormal);
+        
+                total_ao += cosAngle * intensity.x * viewCorrect;
+                total_color += cosAngle * intensity.y * sampleCol * viewCorrect;
 #else
-                total_ao += cos_angle * ssao_intensity;
-                total_color += cos_angle * illum_intensity * sample_color;
+                total_ao += cos_angle * intensity.x;
+                total_color += cos_angle * intensity.y * sampleCol;
 #endif
         }
@@ -143 +143 @@
         gi.ao = float2(max(0.0f, 1.0f - total_ao), numSamples);
 
-        //return saturate(total_color);
         return gi;
 }
@@ -211 +210 @@
 
         // retrieve the sample from the last frame
-        float4 oldSsao = tex2D(oldSsaoTex, tex);
-        float4 oldIllum = tex2D(oldIllumTex, tex);
+        float3 oldSsao = tex2D(oldSsaoTex, tex);
+        float3 oldIllum = tex2D(oldIllumTex, tex);
 
         const float oldDepth = oldSsao.z;
@@ -218 +217 @@
         const float depthDif = projDepth - oldDepth;
 
-        float oldWeight = clamp(oldSsao.y, 0, temporalCoherence);
-
+        // the weights that indicate the state of convergence
+        const float oldWeight = clamp(oldSsao.y, .0f, temporalCoherence);
         float newWeight;
 
@@ -234 +233 @@
                 newWeight = oldWeight + 1;
 
-                OUT.ssao_col.x = (gi.ao + oldSsao.x * oldWeight) / newWeight;
-                OUT.illum_col.xyz  = (gi.illum + oldIllum.xyz * oldWeight) / newWeight;
+                float4 tmp = float4(gi.ao.x, gi.illum);
+                float4 oldTmp = float4(oldSsao.x, oldIllum);
+
+                float4 interpol = (tmp + oldTmp * oldWeight) / newWeight;
+
+                OUT.ssao_col.x = interpol.x;
+                OUT.illum_col.xyz = interpol.yzw;
         }
         else
@@ -261 +265 @@
 
         float4 col = tex2Dlod(colors, float4(IN.texCoord, 0, 0));
-        float4 ao = tex2Dlod(ssaoTex, float4(IN.texCoord, 0, 0)).x;
-        float4 illum = tex2Dlod(illumTex, float4(IN.texCoord, 0, 0));
-
-        OUT.illum_col = (col + illum) * ao;
+        float ao = tex2Dlod(ssaoTex, float4(IN.texCoord, 0, 0)).x;
+
+        float3 illum = tex2Dlod(illumTex, float4(IN.texCoord, 0, 0)).xyz;
+
+        OUT.illum_col.xyz = (col.xyz + illum) * ao;
+        //OUT.illum_col.xyz = col.xyz * ao;
+
         OUT.illum_col.w = col.w;
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

@@ -48 +48 @@
                                                                    float3 bl, float3 br, float3 tl, float3 tr)
 {
-        const float eyeSpaceDepth = tex2Dlod(colors, float4(texcoord, 0, 0)).w;
+        //const float eyeSpaceDepth = tex2Dlod(colors, float4(texcoord, 0, 0)).w;
+        const float eyeSpaceDepth = tex2D(colors, texcoord).w;
         float3 viewVec = Interpol(texcoord, bl, br, tl, tr);
         float3 samplePos = -viewVec * eyeSpaceDepth;
@@ -94 +95 @@
 #endif
                 // weight with projected coordinate to reach similar kernel size for near and far
-                float2 texcoord = IN.texCoord.xy + offsetTransformed * scaleFactor;
-
-                //if ((texcoord.x <= 1.0f) && (texcoord.x >= 0.0f) && (texcoord.y <= 1.0f) && (texcoord.y >= 0.0f))++ numSamples;
+                const float2 texcoord = IN.texCoord.xy + offsetTransformed * scaleFactor;
+
+                //if ((texcoord.x <= 1.0f) && (texcoord.x >= 0.0f) && (texcoord.y <= 1.0f) && (texcoord.y >= 0.0f)) ++ numSamples;
 
                 const float3 samplePos = ReconstructSamplePos(colors, texcoord, bl, br, tl, tr);
@@ -105 +106 @@
 
                 float3 dirSample = samplePos - centerPosition;
-                const float lengthSample = length(dirSample);
-
-                float3 nDirSample = dirSample / lengthSample;
+                const float magSample = length(dirSample);
+                // normalize
+                dirSample /= magSample;
 
                 // angle between current normal and direction to sample controls AO intensity.
-                const float cosAngle = max(dot(nDirSample, currentNormal), 0.0f);
+                const float cosAngle = max(dot(dirSample, currentNormal), 0.0f);
 
                 // the distance_scale offset is used to avoid singularity that occurs at global illumination when 
                 // the distance to a sample approaches zero
-                const float intensity = SAMPLE_INTENSITY / (DISTANCE_SCALE + lengthSample * lengthSample);
+                const float intensity = SAMPLE_INTENSITY / (DISTANCE_SCALE + magSample * magSample);
 
 #if 1