Shader "Unlit/WhiteCullOff"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        Cull off
        LOD 100

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            //#pragma geometry geom
            #pragma fragment frag
            // make fog work
            #pragma multi_compile_fog

            #include "UnityCG.cginc"

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

            /*struct v2g
            {
                float4 vertex : SV_POSITION;
                float2 uv : TEXCOORD0;
            };


            struct g2f
            {
                float4 vertex : SV_POSITION;
                float2 uv : TEXCOORD0;
            };*/


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

            sampler2D _MainTex;
            float4 _MainTex_ST;



            v2f vert(appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                return o;
            }

            fixed4 frag(v2f i) : SV_Target
            {
                // sample the texture
                //fixed4 col = tex2D(_MainTex, i.uv);
                // apply fog
                //UNITY_APPLY_FOG(i.fogCoord, col);
                return fixed4(0.7, 0.7, 0.7, 1);
            }

            //v2g vert(appdata v)
            //{
            //    v2g o;
            //    o.vertex = UnityObjectToClipPos(v.vertex);
            //    o.uv = TRANSFORM_TEX(v.uv, _MainTex);
            //    return o;
            //}

            //[maxvertexcount(3)]
            //void geom(triangle v2g IN[3], inout LineStream<g2f> lineStream)
            //{
            //    g2f o;
            //    for (int i = 0; i < 3; i++)
            //    {
            //        o.vertex = IN[i].vertex;
            //        o.uv = IN[i].uv;
            //        lineStream.Append(o);
            //    }
            //    lineStream.RestartStrip();
            //}

            //fixed4 frag (g2f i) : SV_Target
            //{
            //    // sample the texture
            //    //fixed4 col = tex2D(_MainTex, i.uv);
            //    // apply fog
            //    //UNITY_APPLY_FOG(i.fogCoord, col);
            //    return fixed4(1, 1, 1, 1);
            //}


            ENDCG
        }
    }
}