init

Assets/Shaders/TriLibHDRP/BuildHDRPMask.shader

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+Shader "Hidden/TriLib/BuildHDRPMask"
+{
+    Properties
+    {
+        _MetallicTex("_MetallicTex", 2D) = "black" {}
+        _OcclusionTex("_OcclusionTex", 2D) = "white" {}
+        _DetailMaskTex("_DetailMaskTex", 2D) = "black" {}
+        _SmoothnessTex("_SmoothnessTex", 2D) = "gray" {}
+    }
+    SubShader
+    {
+        // No culling or depth
+        Cull Off ZWrite Off ZTest Always
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                float4 vertex : SV_POSITION;
+            };
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.uv = v.uv;
+                return o;
+            }
+
+			sampler2D _MetallicTex;
+			sampler2D _OcclusionTex;
+			sampler2D _DetailMaskTex;
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+				fixed metallic = tex2D(_MetallicTex, i.uv).x;
+				fixed occlusion = tex2D(_OcclusionTex, i.uv).x;
+				fixed detail = tex2D(_DetailMaskTex, i.uv).x;
+				fixed smoothness = tex2D(_MetallicTex, i.uv).w;
+				return fixed4(metallic, occlusion, detail, smoothness);
+            }
+            ENDCG
+        }
+    }
+}

Assets/Shaders/TriLibHDRP/BuildHDRPMask.shader.meta

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+fileFormatVersion: 2
+guid: a58f867ca8ebbb748955274e7cdbf8b3
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: