Changeset 3365 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

Timestamp:

04/29/09 18:10:02 (15 years ago)

Author:

mattausch

Message:

completely changing concept: storing world space position for one lookup!!

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg (modified) (5 diffs)

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

@@ -547 +547 @@
                 // they possibly have any influence on the ao
 
-                if (1)//cosAngle > 0)
-                {
-                        float pixelValid = sampleColor.x;
+                if (cosAngle >= 0)
+                {
+                        float pixelValid = 0;//sampleColor.x;
 
                         if (1)//pixelValid < 0.5f)
@@ -555 +555 @@
                                 const float3 sampleDiffVec = tex2Dlod(attribsTex, float4(texcoord, .0f, .0f)).xyz;
                                 //pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 100.0f);
-                                //pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 4.0f);
+                                pixelValid = max(pixelValid, length(sampleDiffVec - diffVec) < 5e-3f ? .0f : 4.0f);
                                 //pixelValid = length(sampleDiffVec - diffVec) < 1e-3f ? .0f : 10.0f;
                         }
@@ -686 +686 @@
 #else
 
-        const float3 diffVec = float3(.0f);
+        const float3 diffVec      = float3(.0f);
         const bool isMovingObject = false;
-        const float oldSsao = .0f;
+        const float oldSsao       = .0f;
         
         float oldWeight = .0f;
@@ -754 +754 @@
                         const float factor = 4.0f;
                         //if (oldIdx >= factor * newWeight) oldIdx = 0;
-                        oldWeight = min(oldWeight, factor * newWeight);
-                        //oldWeight = oldIdx = .0f; 
+                        //oldWeight = min(oldWeight, factor * newWeight);
+                        oldWeight = oldIdx = .0f; 
                 }
         }
@@ -771 +771 @@
         const float combinedWeight = clamp(newWeight + oldWeight, .0f, temporalCoherence);
 
-        OUT.illum_col.y = ao.y;//combinedWeight;
+        OUT.illum_col.y = combinedWeight;
         OUT.illum_col.z = oldIdx + newWeight; // the new index
         OUT.illum_col.w = eyeSpaceDepth;