Changeset 3161 for GTP

Timestamp:

11/25/08 02:37:23 (16 years ago)

Author:

mattausch

Message:

not working ....

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling

Files:

• Converter/ObjConverter.cpp (modified) (3 diffs)
• VboFormatConverter/VboFormatConverter.cpp (modified) (1 diff)
• src/DeferredRenderer.cpp (modified) (1 diff)
• src/shaderenv.h (modified) (2 diffs)
• src/shaders/combineSsao.cg (modified) (1 diff)
• src/shaders/ssao.cg (modified) (1 diff)

GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter/ObjConverter.cpp

@@ -172 +172 @@
         for (int i = 0; i < numElements; ++ i)
         {
-#if 1
+#if 0
                 // convert to our camera system: change y and z
                 geom->mVertices[i].x = faceVertices[i].x;
@@ -279 +279 @@
                                 default:
                                         sscanf(str + 1, "%f %f %f", &x, &y, &z);
-                                        const float scale = 5e-3f;
+                                        //const float scale = 5e-3f;
+                                        const float scale = 1.0f;
                                         vertices.push_back(SimpleVec(x * scale, y * scale, z* scale));
                                         //cout <<"v " << x << " " << y << " "<< z << " ";
@@ -390 +391 @@
 
                 ambient.x = ambient.y = ambient.z = 0.2f;
-                diffuse.x = diffuse.y = diffuse.z = 1.0f;
+                //diffuse.x = diffuse.y = diffuse.z = 1.0f;
+                diffuse.x = 0.7f; diffuse.y = 0.5f; diffuse.z = 0.2f;
                 spec.x    = spec.y    = spec.z    =  .0f;
                 emm = spec;

GTP/trunk/App/Demos/Vis/FriendlyCulling/VboFormatConverter/VboFormatConverter.cpp

@@ -118 +118 @@
                 geom->mTexcoords[line].second = 1.0f - tex.second;
 
-                static int dummy = 0;
-                if (dummy ++ < 5) cout << "tangent: " << geom->mTangents[line] << endl;
                 ++ line;
         }

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

@@ -456 +456 @@
         const float filterWidth = 100.0f;
         //const float filterWidth = 200.0f;
+        //const float filterWidth = 50.0f;
 
         PoissonDiscSampleGenerator2 poisson(NUM_SSAO_FILTERSAMPLES, 1.0f);

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

@@ -6 +6 @@
 //-- ssao + gi parameters
 
-#define NUM_SAMPLES 8
 //#define NUM_SAMPLES 8
+#define NUM_SAMPLES 48
 
 // for quadratic falloff
 //#define SAMPLE_INTENSITY 0.2f
 #define SAMPLE_INTENSITY 0.07f
+//#define SAMPLE_INTENSITY 0.005f
 
 //#define SAMPLE_INTENSITY 0.075f
@@ -60 +61 @@
 
 //#define NUM_SSAO_FILTERSAMPLES 25
-#define NUM_SSAO_FILTERSAMPLES 16
-//#define NUM_SSAO_FILTERSAMPLES 81
+#define NUM_SSAO_FILTERSAMPLES 8
+//#define NUM_SSAO_FILTERSAMPLES 80
 
 

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

@@ -100 +100 @@
 
         // reconstruct position from the eye space depth
-        const float eyeSpaceDepth = col.w;
-        const float4 worldPos = float4(-IN.view * eyeSpaceDepth, 1.0f);
+        /*const float4 worldPos = float4(-IN.view * eyeSpaceDepth, 1.0f);
         // compute w factor from projection in order to control filter size
         const float4 projPos = mul(modelViewProj, worldPos);
         const float distanceScale = 1.0f / projPos.w;
+*/
+
+        const float eyeSpaceDepth = col.w;
+
+        const float scaleFactor = 2.0f;
+        const float distanceScale = scaleFactor / (eyeSpaceDepth + scaleFactor);
 
         const float convergence = ao.y;
+
+        const float adaptFactor = 5.0f;
+        const float convergenceScale = adaptFactor / (convergence + adaptFactor);
+
 
         if ((ao.y < 100.0f) && (col.w < 1e10f))
         //if (col.w < 1e10f)
         {
-                const float scaleFactor = 1.0f;
-                const float adaptFactor = 5.0f;
-                const float scale =     adaptFactor * scaleFactor * distanceScale / (adaptFactor + convergence);
-
-                ao.x = DiscontinuityFilter(IN.texCoord, ao, col, ssaoTex, normalsTex, colorsTex, filterOffs, filterWeights, scale);
+                ao.x = DiscontinuityFilter(IN.texCoord, ao, col, ssaoTex, normalsTex, colorsTex, filterOffs, filterWeights, convergenceScale * distanceScale);
         }
 

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

@@ -153 +153 @@
                 {               
                         newWeight = 4.0f;
+                        //newWeight = 1.0f;
                 }
-                //if (pixelValid > 1.0f) newWeight = max(15.0f - notValid * 2.0f, 1.0f);
         }
         else