Changeset 3328 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

Timestamp:

02/25/09 17:41:00 (15 years ago)

Author:

mattausch

Message:

found error, working ok

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg (modified) (10 diffs)

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

@@ -179 +179 @@
                          sampler2D colors,
                          sampler2D noiseTex,
-                         //float2 samples[NUM_PRECOMPUTED_SAMPLES],
                          sampler2D samples,
                          float3 normal,
@@ -211 +210 @@
                 //-- (affects performance for some reason!)
 
-                if (1)//convergence < SSAO_CONVERGENCE_THRESHOLD)
+                if (convergence < SSAO_CONVERGENCE_THRESHOLD)
                 {
                         float2 mynoise = tex2Dlod(noiseTex, float4(IN.texCoord * 4.0f, 0, 0)).xy;
@@ -274 +273 @@
                 // to the current pixel or if the angle is small enough
                 // to have any influence in the current or last frame
-#if 0
+#if 1
                 const float tooFarAway = step(0.5f, lengthToSample - changeFactor);
 
                 const float partlyResetThres = 1.0f;
-                if (0)//pixelValid <= partlyResetThres)
+                if (pixelValid <= partlyResetThres)
                         validSamples = max(validSamples, pixelValid * (1.0f - tooFarAway) * step(-0.1f, cosAngle));
                 else
@@ -295 +294 @@
                         // (=> there was no discontinuity recently)
                         //else if (isMovingObject && (convergence > SSAO_CONVERGENCE_THRESHOLD)) break;
-                        //else if (isMovingObject && (convergence > NUM_SAMPLES * 5)) break;
+                        else if (isMovingObject && (convergence > NUM_SAMPLES * 5)) break;
                 }
 #endif
@@ -407 +406 @@
                 // or if the angle is small enough
                 // to have any influence in the current or last frame
-#if 0
+#if 1
                 const float partlyResetThres = 1.0f;
 
@@ -456 +455 @@
                         uniform sampler2D noiseTex,
                         uniform sampler2D samples,
-                        //uniform float2 samples[NUM_PRECOMPUTED_SAMPLES],
                         uniform sampler2D oldTex,
                         uniform float4x4 modelViewProj,
@@ -513 +511 @@
 
         const float oldSsao = temporalVals.x;
-        const float oldWeight = temporalVals.y;
-        const float oldIdx = 0;//temporalVals.z;
+        
+        float oldWeight = temporalVals.y;
+        float oldIdx = temporalVals.z;
 
         float3 ao;
@@ -551 +550 @@
         
         // don't check for moving objects, otherwise almost no coherence
-        /*if (!isMovingObject)
+        if (!isMovingObject)
         {
                 if (ao.y > completelyResetThres) 
@@ -560 +559 @@
                 else if (ao.y > partlyResetThres)
                 {
-                        //oldWeight = min(oldWeight, 4.0f * newWeight);
-                        oldWeight = .0f; 
-                        oldIdx = .0f;
-                }
-        }*/
+                        oldWeight = min(oldWeight, 4.0f * newWeight);
+                        //oldWeight = .0f; 
+                        //oldIdx = .0f;
+                }
+        }
 
 
@@ -586 +585 @@
         //OUT.illum_col.z = SqrLen(diffVec);
 
-        //OUT.illum_col.xyz = normal.xyz;
         return OUT;
 }