init

Assets/TcgEngine/Materials/UI/Grayscale.shader

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+Shader "UI/Grayscale"
+{
+    Properties
+    {
+        [PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
+        _Color("Tint", Color) = (1,1,1,1)
+
+        _StencilComp("Stencil Comparison", Float) = 8
+        _Stencil("Stencil ID", Float) = 0
+        _StencilOp("Stencil Operation", Float) = 0
+        _StencilWriteMask("Stencil Write Mask", Float) = 255
+        _StencilReadMask("Stencil Read Mask", Float) = 255
+
+        _ColorMask("Color Mask", Float) = 15
+
+        [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip("Use Alpha Clip", Float) = 0
+    }
+
+        SubShader
+        {
+            Tags
+            {
+                "Queue" = "Transparent"
+                "IgnoreProjector" = "True"
+                "RenderType" = "Transparent"
+                "PreviewType" = "Plane"
+                "CanUseSpriteAtlas" = "True"
+            }
+
+            Stencil
+            {
+                Ref[_Stencil]
+                Comp[_StencilComp]
+                Pass[_StencilOp]
+                ReadMask[_StencilReadMask]
+                WriteMask[_StencilWriteMask]
+            }
+
+            Cull Off
+            Lighting Off
+            ZWrite Off
+            ZTest[unity_GUIZTestMode]
+            Blend SrcAlpha OneMinusSrcAlpha
+            ColorMask[_ColorMask]
+
+            Pass
+            {
+                Name "Default"
+            CGPROGRAM
+                #pragma vertex vert
+                #pragma fragment frag
+                #pragma target 2.0
+
+                #include "UnityCG.cginc"
+                #include "UnityUI.cginc"
+
+                #pragma multi_compile_local _ UNITY_UI_CLIP_RECT
+                #pragma multi_compile_local _ UNITY_UI_ALPHACLIP
+
+                struct appdata_t
+                {
+                    float4 vertex   : POSITION;
+                    float4 color    : COLOR;
+                    float2 texcoord : TEXCOORD0;
+                    UNITY_VERTEX_INPUT_INSTANCE_ID
+                };
+
+                struct v2f
+                {
+                    float4 vertex   : SV_POSITION;
+                    fixed4 color : COLOR;
+                    float2 texcoord  : TEXCOORD0;
+                    float4 worldPosition : TEXCOORD1;
+                    float4  mask : TEXCOORD2;
+                    UNITY_VERTEX_OUTPUT_STEREO
+                };
+
+                sampler2D _MainTex;
+                fixed4 _Color;
+                fixed4 _TextureSampleAdd;
+                float4 _ClipRect;
+                float4 _MainTex_ST;
+                float _UIMaskSoftnessX;
+                float _UIMaskSoftnessY;
+
+                v2f vert(appdata_t v)
+                {
+                    v2f OUT;
+                    UNITY_SETUP_INSTANCE_ID(v);
+                    UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
+                    OUT.worldPosition = v.vertex;
+                    float4 vpos = UnityObjectToClipPos(OUT.worldPosition);
+                    OUT.vertex = vpos;
+
+                    OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
+
+                    float2 pixelSize =  vpos.w / (float2(1, 1) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy))); 
+                    float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
+                    float2 maskUV = (v.vertex.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
+                    OUT.mask = float4(v.vertex.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+
+                    OUT.color = v.color * _Color;
+                    return OUT;
+                }
+
+                fixed4 frag(v2f IN) : SV_Target
+                {
+                    half4 texcol = tex2D(_MainTex, IN.texcoord);
+                    half2 mask = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
+                    texcol.rgb = dot(texcol.rgb, float3(0.3, 0.59, 0.11));
+                    texcol.a =  texcol.a * IN.color.a * mask.x * mask.y;
+                    return texcol;
+                }
+            ENDCG
+            }
+        }
+}