// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'


Shader "Portals/Mask"
{
Properties {
}
	SubShader 
	{
		Tags { "RenderType"="Tranperent" "Queue"="Geometry-100"}
		ColorMask 0
		Cull Off
		ZWrite Off
		Stencil 
		{
			Ref 2
			Comp always
			Pass replace
		}
		
		Pass
		{
		CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag

			struct appdata 
			{
				float4 vertex : POSITION;
			};
			
			struct v2f 
			{
				float4 pos : SV_POSITION;
			};
			
			v2f vert(appdata v) 
			{
				v2f o;
				o.pos = UnityObjectToClipPos(v.vertex);
				return o;
			}
			
			half4 frag(v2f i) : COLOR 
			{
				return half4(1,1,0,1);
			}
		ENDCG
		}
	}
}