Shader "Unlit/WriteDepth"
{
   
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 100

        Pass
        {
           // ColorMask 0
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
          

            #include "UnityCG.cginc"

            struct appdata
            {
                float4 vertex : POSITION;
            };

            struct v2f
            {
                float4 vertex : SV_POSITION;
            };
            
         

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                return o;
            }

            float4 frag (v2f i) : SV_Target
            {
                return float4(1,1,1,1);
            }
            ENDCG
        }
    }
}