Shader面板上常用的内置Enum有哪些

Shader "Mya/EnumTest"{    Properties    {        _MainTex ("Texture", 2D) = "white" {}                                                           [Header(Custom)]        [Enum(CustomEnum)]  _CustomEnum ("CustomEnum", Float) = 1.0
        [Header(Option)]        [Enum(UnityEngine.Rendering.BlendOp)]  _BlendOp  ("BlendOp", Float) = 1.0        [Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("SrcBlend", Float) = 1.0        [Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("DstBlend", Float) = 0.0        [Enum(Off, 0, On, 1)]_ZWriteMode ("ZWriteMode", float) = 1        [Enum(UnityEngine.Rendering.CullMode)]_CullMode ("CullMode", float) = 2        [Enum(UnityEngine.Rendering.CompareFunction)]_ZTestMode ("ZTestMode", Float) = 2        [Enum(UnityEngine.Rendering.ColorWriteMask)]_ColorMask ("ColorMask", Float) = 2
        [Header(Stencil)]        [Enum(UnityEngine.Rendering.CompareFunction)]_StencilComp ("Stencil Comparison", Float) = 8        [IntRange]_StencilWriteMask ("Stencil Write Mask", Range(0,255)) = 255        [IntRange]_StencilReadMask ("Stencil Read Mask", Range(0,255)) = 255        [IntRange]_Stencil ("Stencil ID", Range(0,255)) = 0        [Enum(UnityEngine.Rendering.StencilOp)]_StencilPass ("Stencil Pass", Float) = 0        [Enum(UnityEngine.Rendering.StencilOp)]_StencilFail ("Stencil Fail", Float) = 0        [Enum(UnityEngine.Rendering.StencilOp)]_StencilZFail ("Stencil ZFail", Float) = 0
    }    SubShader    {        Tags { "RenderType"="Opaque" }        LOD 100
        Pass        {            BlendOp [_BlendOp]            Blend [_SrcBlend] [_DstBlend]            ZWrite [_ZWriteMode]            ZTest [_ZTestMode]            Cull [_CullMode]            ColorMask [_ColorMask]
            Stencil            {                Ref [_Stencil]                Comp [_StencilComp]                ReadMask [_StencilReadMask]                WriteMask [_StencilWriteMask]                Pass [_StencilPass]                Fail [_StencilFail]                ZFail [_StencilZFail]            }            CGPROGRAM            #pragma vertex vert            #pragma fragment frag            #include "UnityCG.cginc"
            struct appdata            {                float4 vertex : POSITION;                float2 uv : TEXCOORD0;            };
            struct v2f            {                float2 uv : TEXCOORD0;                float4 vertex : SV_POSITION;            };
            sampler2D _MainTex;            float4 _MainTex_ST;
            v2f vert (appdata v)            {                v2f o;                o.vertex = UnityObjectToClipPos(v.vertex);                o.uv = TRANSFORM_TEX(v.uv, _MainTex);                return o;            }
            fixed4 frag (v2f i) : SV_Target            {                // sample the texture                fixed4 col = tex2D(_MainTex, i.uv);                return col;            }            ENDCG        }    }}

public enum CustomEnum{    Enum1 = 0,    Enum2 = 1,    Enum3 = 2}