From 1e84f9dc90d0169adf8d15b45aff9da4fd0a476d Mon Sep 17 00:00:00 2001
From: sam <sam>
Date: Sun, 21 Aug 2016 23:37:24 -0700
Subject: [PATCH] back to noise seeded in image space

---
 libraries/render-utils/src/ssao_makeOcclusion.slf      | 10 +++++-----
 .../utilities/render/ambientOcclusionPass.qml          |  1 +
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/libraries/render-utils/src/ssao_makeOcclusion.slf b/libraries/render-utils/src/ssao_makeOcclusion.slf
index 91d94294af..4c808342c5 100644
--- a/libraries/render-utils/src/ssao_makeOcclusion.slf
+++ b/libraries/render-utils/src/ssao_makeOcclusion.slf
@@ -44,9 +44,9 @@ void main(void) {
     float ssDiskRadius = evalDiskRadius(Cp.z, imageSize);
 
     // Let's make noise 
-    //float randomPatternRotationAngle = getAngleDithering(ssC);
-    vec3 wCp = (getViewInverse() * vec4(Cp, 1.0)).xyz;
-    float randomPatternRotationAngle = getAngleDitheringWorldPos(wCp);
+    float randomPatternRotationAngle = getAngleDithering(ssC);
+    //vec3 wCp = (getViewInverse() * vec4(Cp, 1.0)).xyz;
+    //float randomPatternRotationAngle = getAngleDitheringWorldPos(wCp);
 
     // Accumulate the Obscurance for each samples
     float sum = 0.0;
@@ -62,7 +62,7 @@ void main(void) {
 
     float A = max(0.0, 1.0 - sum * getObscuranceScaling() * 5.0 * getInvNumSamples());
 
-    <! // KEEP IT for Debugging
+     // KEEP IT for Debugging
     // Bilateral box-filter over a quad for free, respecting depth edges
     // (the difference that this makes is subtle)
     if (abs(dFdx(Cp.z)) < 0.02) {
@@ -71,7 +71,7 @@ void main(void) {
     if (abs(dFdy(Cp.z)) < 0.02) {
         A -= dFdy(A) * ((ssC.y & 1) - 0.5);
     }
-    !>
+    
 
     outFragColor = vec4(packOcclusionDepth(A, CSZToDephtKey(Cp.z)), 1.0);
 
diff --git a/scripts/developer/utilities/render/ambientOcclusionPass.qml b/scripts/developer/utilities/render/ambientOcclusionPass.qml
index 402aba015b..a461c06a19 100644
--- a/scripts/developer/utilities/render/ambientOcclusionPass.qml
+++ b/scripts/developer/utilities/render/ambientOcclusionPass.qml
@@ -26,6 +26,7 @@ Column {
                     "Num Taps:numSamples:32:true",
                     "Taps Spiral:numSpiralTurns:10.0:false",
                     "Falloff Bias:falloffBias:0.2:false",
+                    "Edge Sharpness:edgeSharpness:1.0:false",
                     "Blur Radius:blurRadius:10.0:false",
                 ]
                 ConfigSlider {