Added new stocking scope to shader gui;

Added new stocking surface feature;
Added unity 6.3 support;

Fixed the issue that ssr weight does not blend ibl and ssr properly;
Fixed the issue that material recive ssr regardless of specular ambient mode;

Runtime/Shaders/Includes/Common/UtsCommon.hlsl

@@ -55,50 +55,35 @@ float Random(float2 uv)
     return frac(sin(dot(uv, float2(12.9898, 78.233))) * 43758.5453);
 }
 
-float unity_noise_interpolate (float a, float b, float t)
+inline float2 voronoi_noise_random_vector (float2 UV, float offset)
 {
-    return (1.0-t)*a + (t*b);
+    float2x2 m = float2x2(15.27, 47.63, 99.41, 89.98);
+    UV = frac(sin(mul(UV, m)) * 46839.32);
+    return float2(sin(UV.y*+offset)*0.5+0.5, cos(UV.x*offset)*0.5+0.5);
 }
 
-float ValueNoise (float2 uv)
+float Voronoi(float2 UV, float AngleOffset, float CellDensity)
 {
-    float2 i = floor(uv);
-    float2 f = frac(uv);
-    f = f * f * (3.0 - 2.0 * f);
+    float2 g = floor(UV * CellDensity);
+    float2 f = frac(UV * CellDensity);
+    float t = 8.0;
+    float res = 8.0;
 
-    uv = abs(frac(uv) - 0.5);
-    float2 c0 = i + float2(0.0, 0.0);
-    float2 c1 = i + float2(1.0, 0.0);
-    float2 c2 = i + float2(0.0, 1.0);
-    float2 c3 = i + float2(1.0, 1.0);
-    float r0 = Random(c0);
-    float r1 = Random(c1);
-    float r2 = Random(c2);
-    float r3 = Random(c3);
+    for(int y=-1; y<=1; y++)
+    {
+        for(int x=-1; x<=1; x++)
+        {
+            float2 lattice = float2(x,y);
+            float2 offset = voronoi_noise_random_vector(lattice + g, AngleOffset);
+            float d = distance(lattice + offset, f);
+            if(d < res)
+            {
+                res = d;
+            }
+        }
+    }
 
-    float bottomOfGrid = unity_noise_interpolate(r0, r1, f.x);
-    float topOfGrid = unity_noise_interpolate(r2, r3, f.x);
-    float t = unity_noise_interpolate(bottomOfGrid, topOfGrid, f.y);
-    return t;
-}
-
-float SimpleNoise(float2 UV, float Scale)
-{
-    float t = 0.0;
-
-    float freq = pow(2.0, float(0));
-    float amp = pow(0.5, float(3-0));
-    t += ValueNoise(float2(UV.x*Scale/freq, UV.y*Scale/freq))*amp;
-
-    freq = pow(2.0, float(1));
-    amp = pow(0.5, float(3-1));
-    t += ValueNoise(float2(UV.x*Scale/freq, UV.y*Scale/freq))*amp;
-
-    freq = pow(2.0, float(2));
-    amp = pow(0.5, float(3-2));
-    t += ValueNoise(float2(UV.x*Scale/freq, UV.y*Scale/freq))*amp;
-
-    return t;
+    return res;
 }
 
 float Dither(float In, float4 positionSS)