Shader "GcAR/ScreenPlane"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
        _Color ("Color",Color) = (1.0,1.0,1.0,1.0)
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" "Queue"="Geometry-20"}
        ZWrite Off

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            // make fog work
            #pragma multi_compile_fog
            
            #include "UnityCG.cginc"

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

            struct v2f
            {
                float2 uv : TEXCOORD0;
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;
            float4 _Color;
            
            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                UNITY_TRANSFER_FOG(o,o.vertex);
                return o;
            }
            
            fixed4 frag (v2f i) : SV_Target
            {
                // sample the texture
                //fixed4 col = tex2D(_MainTex, i.uv);
                fixed4 col = _Color;
                return _Color;
            }
            ENDCG
        }
    }
}