Init

Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxOffset.shader

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+Shader "Hidden/ParallaxOffset"
+{
+	Properties
+	{
+		_A ("_A", 2D) = "white" {}
+		_B ("_B", 2D) = "white" {}
+		_C ("_C", 2D) = "white" {}
+	}
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#include "UnityCG.cginc"
+			#include "Preview.cginc"
+			#pragma vertex vert_img
+			#pragma fragment frag
+
+			sampler2D _A;
+			sampler2D _B;
+			sampler2D _C;
+
+			float4 frag( v2f_img i ) : SV_Target
+			{
+				float h = tex2D( _A, i.uv ).x;
+				float height = tex2D( _B, i.uv ).x;
+				float3 viewDir = tex2D( _C, i.uv ).xyz;
+				float2 result = ParallaxOffset (h, height, viewDir);
+				return float4(result, 0, 1);
+
+			}
+			ENDCG
+		}
+
+	}
+}