Changeset 3162 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/combineSsao.cg

Timestamp:

11/25/08 12:02:58 (16 years ago)

Author:

mattausch

Message:

playing around with filter: returning to world space depth difference for filter kernel??

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/combineSsao.cg (modified) (3 diffs)

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

@@ -63 +63 @@
                 //sampleDepth = aoSample.w;
                 
-                //depthFactor = max(step(1e-1f, 1.0f - abs(1.0f - eyeSpaceDepth / sampleDepth)), 1e-3f);
-                depthFactor = 1.0f / max(abs(eyeSpaceDepth - sampleDepth), 1e-3f);
-                //normalFactor = max(step(0.6f, dot(sampleNorm, centerNormal)), 1e-6f);
-                normalFactor = max(dot(sampleNorm, centerNormal), 1e-6f);
-                convergenceFactor = min(200.0f, aoSample.y) * 0.01f;
+                //depthFactor = 1.0f / max(abs(eyeSpaceDepth - sampleDepth), 1e-2f);
+                depthFactor = 1.0f - step(1e-2f, abs(1.0f - eyeSpaceDepth / sampleDepth));
+                //normalFactor = max(step(0.6f, dot(sampleNorm, centerNormal)), 1e-3f);
+                normalFactor = max(dot(sampleNorm, centerNormal), 1e-3f);
+                //convergenceFactor = min(100.0f, aoSample.y);
+                convergenceFactor = aoSample.y;
 
                 // combine the weights
-                w = depthFactor * normalFactor * convergenceFactor;
+                w = filterWeights[i] * convergenceFactor * depthFactor * normalFactor;
+                //w = normalFactor * convergenceFactor;
 
                 average += aoSample.x * w;
@@ -76 +78 @@
         }
 
-        average /= max(total_w, 1e-1f);
+        average /= max(total_w, 1e-6f);
 
         return saturate(average);
@@ -123 +125 @@
         }
 
-        OUT.illum_col.xyz = col.xyz * ao.x;
-        //OUT.illum_col.xyz = float3(0, ao.x, 0);
+        //OUT.illum_col.xyz = col.xyz * ao.x;
+        OUT.illum_col.xyz = float3(ao.x, ao.x, ao.x);
         //OUT.illum_col.xyz = float3(0, clamp(1.0f - ao.y * 1e-2f, 0, 1), 1);
         OUT.illum_col.w = col.w;