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

Shader "Mask/Culling"
{
	SubShader
	{
		Tags { "RenderType"="Opaque"  }
	  

		Pass
		{

			blend zero  one
			zwrite off

			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
		
			
			#include "UnityCG.cginc"

			struct appdata
			{
				float4 vertex : POSITION;
				float2 uv : TEXCOORD0;
			};

			struct v2f
			{
				float4 vertex : SV_POSITION;
			};

		
			
			v2f vert (appdata v)
			{
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
			
			
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target
			{
				// sample the texture
				fixed4 col =fixed4(0,0,0,0);
			
				return col;
			}
			ENDCG
		}
	}
}