Shader "Mimimi/Unlit/YUV to RGB GAMMA" 
{
     Properties {
         _MainTex ("Texture", 2D) = "grey" {}
     }

     SubShader {

        Tags { "RenderType"="Opaque" }
		 
         Lighting Off 

		 ZWrite On
		 Fog { Mode Off }
		
		 
         Pass {
			Name "BASE"
		 
             CGPROGRAM
             #pragma vertex vert
             #pragma fragment frag

             #include "UnityCG.cginc"

             struct appdata_t {
                 float4 vertex : POSITION;
                 float2 texcoord : TEXCOORD0;
             };

             struct v2f {
                 float4 vertex : POSITION;
                 float2 texcoord : TEXCOORD0;
             };

             sampler2D _MainTex;
             uniform float4 _MainTex_ST;

             v2f vert (appdata_t v)
             {
                 v2f o;
                 o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
                 o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
                 return o;
             }

             float4 frag (v2f i) : COLOR
             {
				
				float4 yuv = tex2D(_MainTex, i.texcoord);
				
				float y = yuv.b *255;
				float u = yuv.g *255;
				float v = yuv.r *255;
				
				float r = clamp((1904000*y + 2609823*v - 363703744) / 1635200.0, 0, 255);
				float g = clamp((3827562*y - 1287801*u - 2672387*v+447306710) / 3287200.0, 0, 255);
				float b = clamp(( 952000.0*y + 1649289.0*u - 225932192.0) / 817600.0, 0, 255);
				
				r = clamp( r/255.0, 0.0, 1.0);
				g = clamp( g/255.0, 0.0, 1.0);
				b = clamp( b/255.0, 0.0, 1.0);

                return float4(r, g, b, 1);
             }
             ENDCG
         }
     }

}