场景设计

Assets/OtherPlugins/ChocDino/UIFX/Runtime/Shaders/Resources/Blend.shader

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+Shader "Hidden/ChocDino/UIFX/Blend"
+{
+	Properties
+	{
+		[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
+		[PerRendererData] _ResultTex ("Sprite Texture", 2D) = "white" {}
+		[PerRendererData] _SourceTex ("Source Texture", 2D) = "white" {}
+
+		_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
+
+		[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
+		_ColorMask			("Color Mask", Float) = 15
+	}
+
+	CGINCLUDE
+
+	#pragma multi_compile_local _ UNITY_UI_CLIP_RECT
+	#pragma multi_compile_local_fragment _ UNITY_UI_ALPHACLIP
+
+	#include "BlendUtils.cginc"
+	#include "CompUtils.cginc"
+	#include "ColorUtils.cginc"
+
+	float4 fragDefault(v2f i) : SV_Target
+	{
+		// Note: This is already pre-multiplied alpha
+		float4 result = tex2D(_ResultTex, i.uv);
+
+		float4 color = result;
+
+		// 2D rect clipping
+		#ifdef UNITY_UI_CLIP_RECT
+		color = ApplyClipRect(color, i.mask);
+		#endif
+
+		// Alpha clipping
+		#ifdef UNITY_UI_ALPHACLIP
+		clip (color.a - 0.001);
+		#endif
+
+		color.rgb *= i.color.a;
+		color *= i.color;
+
+		return color;
+	}
+	
+	ENDCG
+
+	SubShader
+	{
+		Tags
+		{
+			"Queue"="Transparent"
+			"IgnoreProjector"="True"
+			"RenderType"="Transparent"
+			"PreviewType"="Plane"
+			"CanUseSpriteAtlas"="True"
+			"OutputsPremultipliedAlpha"="True"
+		}
+
+		Stencil
+		{
+			Ref [_Stencil]
+			Comp [_StencilComp]
+			Pass [_StencilOp]
+			ReadMask [_StencilReadMask]
+			WriteMask [_StencilWriteMask]
+		}
+
+		Cull Off
+		ZWrite Off
+		ZTest [unity_GUIZTestMode]
+		Blend One OneMinusSrcAlpha // Premultiplied transparency
+		ColorMask [_ColorMask]
+
+		Pass
+		{
+			Name "Blend-Default"
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment fragDefault
+			ENDCG
+		}
+	}
+}