参考链接:
https://zhuanlan.zhihu.com/p/32561155
https://blog.youkuaiyun.com/WuShangLZ/article/details/80401441
https://www.jianshu.com/p/2d98fad196d2
unity版本:2018.3.8f1
内置UI-Default.shader:
1 // Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt) 2 3 Shader "UI/Default" 4 { 5 Properties 6 { 7 [PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {} 8 _Color ("Tint", Color) = (1,1,1,1) 9 10 _StencilComp ("Stencil Comparison", Float) = 8 11 _Stencil ("Stencil ID", Float) = 0 12 _StencilOp ("Stencil Operation", Float) = 0 13 _StencilWriteMask ("Stencil Write Mask", Float) = 255 14 _StencilReadMask ("Stencil Read Mask", Float) = 255 15