[Enum(UnityEngine.Rendering.BlendMode)] _BlendSrc("混合源乘子",int)=0 [Enum(UnityEngine.Rendering.BlendMode)] _BlendDst("混合目标乘子",int)=0 [Enum(UnityEngine.Rendering.BlendOp)] _BlendOp("混合运算符",int)=0 BlendOp [_BlendOp] Blend [_BlendSrc] [_BlendDst]