// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "UI/Gray"
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{
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Properties
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{
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[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
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_Color("Tint", Color) = (1,1,1,1)
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_StencilComp("Stencil Comparison", Float) = 8
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_Stencil("Stencil ID", Float) = 0
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_StencilOp("Stencil Operation", Float) = 0
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_StencilWriteMask("Stencil Write Mask", Float) = 255
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_StencilReadMask("Stencil Read Mask", Float) = 255
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_ColorMask("Color Mask", Float) = 15
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[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip("Use Alpha Clip", Float) = 0
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}
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SubShader
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{
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Tags
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{
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"Queue" = "Transparent"
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"IgnoreProjector" = "True"
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"RenderType" = "Transparent"
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"PreviewType" = "Plane"
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"CanUseSpriteAtlas" = "True"
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}
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Stencil
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{
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Ref[_Stencil]
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Comp[_StencilComp]
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Pass[_StencilOp]
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ReadMask[_StencilReadMask]
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WriteMask[_StencilWriteMask]
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}
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Cull Off
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Lighting Off
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ZWrite Off
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ZTest[unity_GUIZTestMode]
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Blend SrcAlpha OneMinusSrcAlpha
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ColorMask[_ColorMask]
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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#include "UnityUI.cginc"
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#pragma multi_compile __ UNITY_UI_ALPHACLIP
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struct appdata_t
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{
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f
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{
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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half2 texcoord : TEXCOORD0;
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float4 worldPosition : TEXCOORD1;
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};
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fixed4 _Color;
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fixed4 _TextureSampleAdd;
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float4 _ClipRect;
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v2f vert(appdata_t IN)
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{
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v2f OUT;
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OUT.worldPosition = IN.vertex;
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OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);
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OUT.texcoord = IN.texcoord;
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#ifdef UNITY_HALF_TEXEL_OFFSET
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OUT.vertex.xy += (_ScreenParams.zw - 1.0)*float2(-1,1);
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#endif
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OUT.color = IN.color * _Color;
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return OUT;
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}
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sampler2D _MainTex;
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fixed4 frag(v2f IN) : SV_Target
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{
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half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;
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//Add Start
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float grey = dot(color.rgb , float3(0.299, 0.587, 0.114));
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color.rgb = half3(grey, grey, grey);
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//Add End
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color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
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#ifdef UNITY_UI_ALPHACLIP
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clip(color.a - 0.001);
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#endif
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return color;
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}
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ENDCG
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}
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}
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}
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