1 files changed, 27 insertions, 16 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflUtil.glsl b/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflUtil.glsl
index 5ad25c325f..b2d1e75d04 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflUtil.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/screenSpaceReflUtil.glsl
@@ -61,6 +61,8 @@ uniform float rayStep;
 uniform float distanceBias;
 uniform float depthRejectBias;
 uniform float glossySampleCount;
+uniform float adaptiveStepMultiplier;
+uniform float noiseSine;
 
 float epsilon = 0.1;
 
@@ -135,7 +137,7 @@ bool traceScreenRay(vec3 position, vec3 reflection, out vec4 hitColor, out float
 
             if (isExponentialStepEnabled)
             {
-                step *= 1.05;
+                step *= adaptiveStepMultiplier;
             }
         }
         if(isBinarySearchEnabled)
@@ -302,8 +304,16 @@ uniform vec3 POISSON3D_SAMPLES[128] = vec3[128](
     vec3(0.2698198, 0.0002266169, 0.3449324)
 );
 
+vec3 getPoissonSample(int i) {
+    return POISSON3D_SAMPLES[i] * 2 - 1;
+}
+
 float tapScreenSpaceReflection(int totalSamples, vec2 tc, vec3 viewPos, vec3 n, inout vec4 collectedColor, sampler2D source, float glossiness)
 {
+#ifdef TRANSPARENT_SURFACE
+collectedColor = vec4(1, 0, 1, 1);
+    return 0;
+#endif
     collectedColor = vec4(0);
     int hits = 0;
 
@@ -319,9 +329,10 @@ float tapScreenSpaceReflection(int totalSamples, vec2 tc, vec3 viewPos, vec3 n,
     float vignette = clamp((abs(screenpos.x) * abs(screenpos.y)) * 64,0, 1);
     vignette *= clamp((dot(normalize(viewPos), n) * 0.5 + 0.5) * 16, 0, 1);
     
-    float zFar = 32.0;
+    float zFar = 128.0;
     vignette *= clamp(1.0+(viewPos.z/zFar), 0.0, 1.0);
 
+    vignette *= clamp(glossiness * 3 - 1.7, 0, 1);
 
     vec4 hitpoint;
     
@@ -329,17 +340,17 @@ float tapScreenSpaceReflection(int totalSamples, vec2 tc, vec3 viewPos, vec3 n,
 
     totalSamples = int(max(glossySampleCount, glossySampleCount * glossiness * vignette));
 
-    totalSamples = max(totalSamples, 4);
-
+    totalSamples = max(totalSamples, 1);
+    if (glossiness < 0.35)
     {
+        if (vignette > 0)
         {
             for (int i = 0; i < totalSamples; i++) 
             {
-                vec3 firstBasis = normalize(cross(POISSON3D_SAMPLES[i] * 2 - 1, rayDirection));
+                vec3 firstBasis = normalize(cross(getPoissonSample(i), rayDirection));
                 vec3 secondBasis = normalize(cross(rayDirection, firstBasis));
                 vec2 coeffs = vec2(random(tc + vec2(0, i)) + random(tc + vec2(i, 0)));
-                vec3 reflectionDirectionRandomized = rayDirection + ((firstBasis * coeffs.x + secondBasis * coeffs.y) * 0.125 * max(glossiness, 0.025));
-                //vec3 reflectionDirectionRandomized = rayDirection + (POISSON3D_SAMPLES[i] * 2 - 1) * 0.125 * max(glossiness, 0.025);
+                vec3 reflectionDirectionRandomized = rayDirection + ((firstBasis * coeffs.x + secondBasis * coeffs.y) * glossiness);
 
                 //float hitDepth;
 
@@ -354,15 +365,15 @@ float tapScreenSpaceReflection(int totalSamples, vec2 tc, vec3 viewPos, vec3 n,
                     collectedColor.a += 1;
                 }
             }
-        }
-
-        if (hits > 0)
-        {
-            collectedColor /= hits;
-        }
-        else
-        {
-            collectedColor = vec4(0);
+            
+            if (hits > 0)
+            {
+                collectedColor /= hits;
+            }
+            else
+            {
+                collectedColor = vec4(0);
+            }
         }
     }
     float hitAlpha = hits;