Changeset 2821 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp

Timestamp:

07/07/08 18:41:45 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp (modified) (11 diffs)

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

@@ -145 +145 @@
 bool eightKeyPressed = false;
 
+bool useSsao = false;
+
 GLubyte *randomNormals = NULL;
 
@@ -216 +218 @@
 static CGcontext sCgContext = NULL;
 static CGprogram sCgMrtVertexProgram = NULL;
-static CGprogram sCgSSAOProgram = NULL;
-
+static CGprogram sCgSsaoProgram = NULL;
+static CGprogram sCgDeferredProgram = NULL;
 
 static CGparameter sColorsTexParam;
 static CGparameter sPositionsTexParam;
 static CGparameter sNormalsTexParam;
-static CGparameter sNoiseTexParam;
+//static CGparameter sNoiseTexParam;
+
+static CGparameter sColorsTexParamSsao;
+static CGparameter sPositionsTexParamSsao;
+static CGparameter sNormalsTexParamSsao;
+static CGparameter sNoiseTexParamSsao;
 
 static CGparameter sModelViewProjMatrixParam;
@@ -229 +236 @@
 static CGparameter sMaxDepthParamTex;
 
-static CGparameter sSamplesParam; 
+//static CGparameter sSamplesParam; 
+static CGparameter sSamplesParamSsao; 
 
 
@@ -279 +287 @@
         glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
 
+#if 1
         glutCreateWindow("FriendlyCulling");
-
-        //glutGameModeString( "1024x768:32@75" ); //the settings for fullscreen mode
-        //glutEnterGameMode(); //set glut to fullscreen using the settings in the line above
-
+#else
+        glutGameModeString( "1024x768:32@75" ); //the settings for fullscreen mode
+        glutEnterGameMode(); //set glut to fullscreen using the settings in the line above
+#endif
         glutDisplayFunc(Display);
         glutKeyboardFunc(KeyBoard);
@@ -398 +407 @@
                                                                 NULL);
 
-        if(sCgMrtVertexProgram != NULL)
+        if (sCgMrtVertexProgram != NULL)
         {
                 cgGLLoadProgram(sCgMrtVertexProgram);
@@ -451 +460 @@
         ///////////////
 
-        sCgSSAOProgram = 
+        sCgSsaoProgram = 
                 cgCreateProgramFromFile(sCgContext, 
                                                                 CG_SOURCE,
                                                                 "src/shaders/deferred.cg", 
-                                                                //"src/test.cg", 
                                                                 RenderState::sCgFragmentProfile,
-                                                                NULL,
+                                                                "main_ssao",
                                                                 NULL);
 
-        if(sCgSSAOProgram != NULL)
-        {
-                cgGLLoadProgram(sCgSSAOProgram);
+        if (sCgSsaoProgram != NULL)
+        {
+                cgGLLoadProgram(sCgSsaoProgram);
 
                 // we need size of texture for scaling
-                sPositionsTexParam = cgGetNamedParameter(sCgSSAOProgram, "positions");  
-                sColorsTexParam = cgGetNamedParameter(sCgSSAOProgram, "colors");  
-                sNormalsTexParam = cgGetNamedParameter(sCgSSAOProgram, "normals");  
-                sNoiseTexParam = cgGetNamedParameter(sCgSSAOProgram, "noiseTexture");
-
-                sSamplesParam = cgGetNamedParameter(sCgSSAOProgram, "samples");
-                cgGLSetParameterArray2f(sSamplesParam, 0, NUM_SAMPLES, (const float *)samples);
+                sPositionsTexParamSsao = cgGetNamedParameter(sCgSsaoProgram, "positions");  
+                sColorsTexParamSsao = cgGetNamedParameter(sCgSsaoProgram, "colors");  
+                sNormalsTexParamSsao = cgGetNamedParameter(sCgSsaoProgram, "normals");  
+                sNoiseTexParamSsao = cgGetNamedParameter(sCgSsaoProgram, "noiseTexture");
+
+                sSamplesParamSsao = cgGetNamedParameter(sCgSsaoProgram, "samples");
+                cgGLSetParameterArray2f(sSamplesParamSsao, 0, NUM_SAMPLES, (const float *)samples);
         }
         else
                 cerr << "ssao program failed to load" << endl;
+
+        
+        sCgDeferredProgram = 
+                cgCreateProgramFromFile(sCgContext, 
+                                                                CG_SOURCE,
+                                                                "src/shaders/deferred.cg", 
+                                                                RenderState::sCgFragmentProfile,
+                                                                "main",
+                                                                NULL);
+
+        if (sCgDeferredProgram != NULL)
+        {
+                cgGLLoadProgram(sCgDeferredProgram);
+
+                // we need size of texture for scaling
+                sPositionsTexParam = cgGetNamedParameter(sCgDeferredProgram, "positions");  
+                sColorsTexParam = cgGetNamedParameter(sCgDeferredProgram, "colors");  
+                sNormalsTexParam = cgGetNamedParameter(sCgDeferredProgram, "normals");  
+                //sNoiseTexParam = cgGetNamedParameter(sCgDeferredProgram, "noiseTexture");
+
+                //sSamplesParam = cgGetNamedParameter(sCgDeferredProgram, "samples");
+                //cgGLSetParameterArray2f(sSamplesParam, 0, NUM_SAMPLES, (const float *)samples);
+        }
+        else
+                cerr << "deferred program failed to load" << endl;
+
 
         PrintGLerror("init");
@@ -666 +700 @@
                 "'F7',          - depth pass",
                 "'F8',          - enable/disable glFinish for more accurate timings",
+                "'F9',          - enables/disables ambient occlusion",
                 "'SPACE'        - cycles through occlusion culling algorithms",
                 "",
@@ -1159 +1194 @@
                 useGlFinish = !useGlFinish;
                 break;
+        case GLUT_KEY_F9:
+                useSsao = !useSsao;
+                break;
         case GLUT_KEY_LEFT:
                 {
@@ -1446 +1484 @@
         if (sCgMrtVertexProgram)
                 cgDestroyProgram(sCgMrtVertexProgram);
-        if (sCgSSAOProgram)
-                cgDestroyProgram(sCgSSAOProgram);
+        if (sCgSsaoProgram)
+                cgDestroyProgram(sCgSsaoProgram);
+        if (sCgDeferredProgram)
+                cgDestroyProgram(sCgDeferredProgram);
         if (sCgContext)
                 cgDestroyContext(sCgContext);
@@ -1645 +1685 @@
 
         cgGLEnableProfile(RenderState::sCgFragmentProfile);
-        cgGLBindProgram(sCgSSAOProgram);
-
-        cgGLEnableTextureParameter(sPositionsTexParam);
-        cgGLSetTextureParameter(sPositionsTexParam, positionsTex);
-        
-        cgGLEnableTextureParameter(sColorsTexParam);
-        cgGLSetTextureParameter(sColorsTexParam, colorsTex);
-        
-        cgGLEnableTextureParameter(sNormalsTexParam);
-        cgGLSetTextureParameter(sNormalsTexParam, normalsTex);
-
-        cgGLEnableTextureParameter(sNoiseTexParam);
-        cgGLSetTextureParameter(sNoiseTexParam, noiseTex);
+
+        if (useSsao)
+        {
+                cgGLBindProgram(sCgSsaoProgram);
+                
+                cgGLEnableTextureParameter(sPositionsTexParamSsao);
+                cgGLSetTextureParameter(sPositionsTexParamSsao, positionsTex);
+        
+                cgGLEnableTextureParameter(sColorsTexParamSsao);
+                cgGLSetTextureParameter(sColorsTexParamSsao, colorsTex);
+
+                cgGLEnableTextureParameter(sNormalsTexParamSsao);
+                cgGLSetTextureParameter(sNormalsTexParamSsao, normalsTex);
+
+                cgGLEnableTextureParameter(sNoiseTexParamSsao);
+                cgGLSetTextureParameter(sNoiseTexParamSsao, noiseTex);
+        }
+        else
+        {
+                cgGLBindProgram(sCgDeferredProgram);
+
+                cgGLEnableTextureParameter(sPositionsTexParam);
+                cgGLSetTextureParameter(sPositionsTexParam, positionsTex);
+        
+                cgGLEnableTextureParameter(sColorsTexParam);
+                cgGLSetTextureParameter(sColorsTexParam, colorsTex);
+
+                cgGLEnableTextureParameter(sNormalsTexParam);
+                cgGLSetTextureParameter(sNormalsTexParam, normalsTex);
+        }
 
         Vector3 tl, tr, bl, br;
@@ -1677 +1734 @@
         glEnd();
 
-        cgGLDisableTextureParameter(sColorsTexParam);
-        cgGLDisableTextureParameter(sPositionsTexParam);
-        cgGLDisableTextureParameter(sNormalsTexParam);
-        cgGLDisableTextureParameter(sNoiseTexParam);
+        if (useSsao)
+        {
+                cgGLDisableTextureParameter(sColorsTexParamSsao);
+                cgGLDisableTextureParameter(sPositionsTexParamSsao);
+                cgGLDisableTextureParameter(sNormalsTexParamSsao);
+
+                cgGLDisableTextureParameter(sNoiseTexParamSsao);
+                //cgGLDisableTextureParameter(sSamplesParamSsao);
+        }
+        else
+        {
+                cgGLDisableTextureParameter(sColorsTexParam);
+                cgGLDisableTextureParameter(sPositionsTexParam);
+                cgGLDisableTextureParameter(sNormalsTexParam);
+        }
 
         cgGLDisableProfile(RenderState::sCgFragmentProfile);