Shader "Hidden/TwoSidedSignNode" { SubShader { Pass { CGPROGRAM #include "UnityCG.cginc" #include "Preview.cginc" #pragma vertex vert_img #pragma fragment frag float4 frag( v2f_img i, half ase_vface : VFACE ) : SV_Target { return ase_vface != 0 ? +1 : -1; } ENDCG } } }