 {
 	Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
 
-	GrabPass
-    {
-        "_PreviousNormal"
-    }
+	GrabPass { }
 
 	Pass
 	{

		half4 frag(v2f i) : COLOR
		{
		    // Get previous normal map from grab pass,
			half4 previous = tex2D(_PreviousNormal, i.uv);
		    // Get current texture and mask textures
			half4 current = tex2D(_MainTex, i.uv);
			half4 extra = tex2D(_ExtraTex, i.uv);

		float4 _AdditiveColor;
		sampler2D _MainTex;
		sampler2D _ExtraTex;
		sampler2D _GrabTexture;

		struct v2f {
			float4  pos : SV_POSITION;
			float2  uv : TEXCOORD0;
			float4  grabPos : TEXCOORD1;
		};

		float4 _MainTex_ST;
