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Packages/XuanXuanRenderUtility/Shader/HLSL/XuanXuan_Utility.hlsl

@@ -21,6 +21,12 @@ inline half NB_Remap(half x, half inMin, half inMax, half outMin, half outMax)
     return saturate((x - inMin) / (inMax - inMin)) * (outMax - outMin) + outMin;
 }
 
+inline half NB_Remap01(half x, half inMin, half inMax)
+{
+    // x=  clamp(x,inMin,inMax);
+    return saturate((x - inMin) / (inMax - inMin));
+}
+
 inline half NB_RemapNoClamp(half x, half inMin, half inMax, half outMin, half outMax)
 {
     // x=  clamp(x,inMin,inMax);
@@ -240,6 +246,14 @@ void Unity_Blend_HardLight_half(half Base, half Blend, half Opacity, out half Ou
     Out = lerp(Base, Out, Opacity);
 }
 
+void Blend_HardLight_half(half Base, half Blend, out half Out)
+{
+    half result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
+    half result2 = 2.0 * Base * Blend;
+    half zeroOrOne = step(Blend, 0.5);
+    Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
+}
+
 float2 randomGradient(float2 p) {
     p = p + 0.02;
     float x = dot(p, float2(123.4, 234.5));
@@ -348,4 +362,10 @@ half2 Rotate(half2 v, half cos0, half sin0)
     return half2(v.x * cos0 - v.y * sin0,
                   v.x * sin0 + v.y * cos0);
 }
+
+half SmoothStep01(half interval)//让01线性过渡变成SmoothStep过渡，但是控制计算量。
+{
+    interval = saturate(interval);
+    return interval * interval * ( 3 - 2 * interval );
+}
 #endif