Fixed NaN killer in SRP

Author: Chman

PostProcessing/Shaders/Builtins/Copy.shader

@@ -12,6 +12,20 @@ Shader "Hidden/PostProcessing/Copy"
             return color;
         }
 
+        float4 FragKillNaN(VaryingsDefault i) : SV_Target
+        {
+            float4 color = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.texcoord);
+
+            #if !SHADER_API_GLES
+            if (any(isnan(color)) || any(isinf(color)))
+            {
+                color = (0.0).xxxx;
+            }
+            #endif
+
+            return color;
+        }
+
     ENDHLSL
 
     SubShader
@@ -28,5 +42,16 @@ Shader "Hidden/PostProcessing/Copy"
 
             ENDHLSL
         }
+
+        // 1 - Fullscreen triangle copy + NaN killer
+        Pass
+        {
+            HLSLPROGRAM
+
+                #pragma vertex VertDefault
+                #pragma fragment FragKillNaN
+
+            ENDHLSL
+        }
     }
 }