Shader "World Political Map/Unlit Overlay Inverted" {
 
Properties
    {
       _MainTex ("Texture", 2D) = ""
    }
 
SubShader
    {
        Tags {
         "Queue" = "Transparent" 
         "RenderType"="Transparent"
        }
        Cull Front
        ZWrite Off
        ZTest Always
        Blend SrcAlpha OneMinusSrcAlpha
    Pass {
        CGPROGRAM
        #pragma vertex vert 
        #pragma fragment frag
        #pragma fragmentoption ARB_precision_hint_fastest
        #include "UnityCG.cginc"

        sampler2D _MainTex;
        
        struct appdata {
            float4 vertex : POSITION;
            float2 texcoord: TEXCOORD0;
            UNITY_VERTEX_INPUT_INSTANCE_ID
        };

        struct v2f {
            float4 pos : SV_POSITION;
            float2 uv: TEXCOORD0;
            UNITY_VERTEX_INPUT_INSTANCE_ID
            UNITY_VERTEX_OUTPUT_STEREO
        };
        
        v2f vert(appdata v) {
            v2f o;
            UNITY_SETUP_INSTANCE_ID(v);
            UNITY_INITIALIZE_OUTPUT(v2f, o);
            UNITY_TRANSFER_INSTANCE_ID(v, o);
            UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
            o.pos = UnityObjectToClipPos(v.vertex);
            o.uv = v.texcoord;
            return o;
        }
        
        fixed4 frag(v2f i) : SV_Target {
                    UNITY_SETUP_INSTANCE_ID(i);
                    UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i); 
            fixed4 color = tex2D(_MainTex, i.uv);
            return color;
        }
            
        ENDCG
        }
}
}