/Gic isn't enabled on fxc so we can't rely on isnan() anymore

Author: Chman

PostProcessing/Shaders/Builtins/CopyStd.shader

@@ -53,20 +53,12 @@ Shader "Hidden/PostProcessing/CopyStd"
         //>>> We don't want to include StdLib.hlsl in this file so let's copy/paste what we need
         bool IsNan(float x)
         {
-        #if !SHADER_API_GLES
-            return isnan(x) || isinf(x);
-        #else
             return (x <= 0.0 || 0.0 <= x) ? false : true;
-        #endif
         }
 
         bool AnyIsNan(float4 x)
         {
-        #if !SHADER_API_GLES
-            return any(isnan(x)) || any(isinf(x));
-        #else
             return IsNan(x.x) || IsNan(x.y) || IsNan(x.z) || IsNan(x.w);
-        #endif
         }
         //<<<
 

PostProcessing/Shaders/StdLib.hlsl

@@ -147,40 +147,25 @@ float4 PositivePow(float4 base, float4 power)
 }
 
 // NaN checker
+// /Gic isn't enabled on fxc so we can't rely on isnan() anymore
 bool IsNan(float x)
 {
-#if !defined(SHADER_API_GLES)
-    return isnan(x) || isinf(x);
-#else
     return (x <= 0.0 || 0.0 <= x) ? false : true;
-#endif
 }
 
 bool AnyIsNan(float2 x)
 {
-#if !defined(SHADER_API_GLES)
-    return any(isnan(x)) || any(isinf(x));
-#else
     return IsNan(x.x) || IsNan(x.y);
-#endif
 }
 
 bool AnyIsNan(float3 x)
 {
-#if !defined(SHADER_API_GLES)
-    return any(isnan(x)) || any(isinf(x));
-#else
     return IsNan(x.x) || IsNan(x.y) || IsNan(x.z);
-#endif
 }
 
 bool AnyIsNan(float4 x)
 {
-#if !defined(SHADER_API_GLES)
-    return any(isnan(x)) || any(isinf(x));
-#else
     return IsNan(x.x) || IsNan(x.y) || IsNan(x.z) || IsNan(x.w);
-#endif
 }
 
 // -----------------------------------------------------------------------------