Shader "XREALSDK/ScreenMaskShader"
{
    Properties
    {
        _Color ("Color", Color) = (1,1,1,1)
    }
    SubShader
    {
        Tags { "Queue"="Overlay" "RenderType"="Transparent" }
        LOD 100
        ZTest Always
        ZWrite Off
        Blend SrcAlpha OneMinusSrcAlpha
        
        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"

            float4 _Color;

              struct appdata_t {
                float4 vertex : POSITION;
            };

            struct v2f {
                float4 vertex : SV_POSITION;
            };

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

            fixed4 frag(v2f i) : SV_Target
            {
                return _Color;
            }
            ENDCG
        }
    }
}