RenderTexture渲染的内容包含有透明贴图问题

new BlendFactor(NativeBlendMode.One, NativeBlendMode.OneMinusSrcAlpha)

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'



Shader "UIEffect/Particles-Alpha-Blend"

{

	Properties

	{

		_MainTex("Texture", 2D) = "white" {}

	}





	SubShader

	{

		Tags{ "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }



		Cull Off Lighting Off ZWrite Off Fog{ Mode Off }

		Blend SrcAlpha OneMinusSrcAlpha, One OneMinusSrcAlpha





		Pass

		{

			CGPROGRAM

			#pragma vertex vert

			#pragma fragment frag

			#pragma fragmentoption ARB_precision_hint_fastest



			#include "UnityCG.cginc"



			struct appdata

			{

				float4 vertex : POSITION;

				float2 uv : TEXCOORD0;

				fixed4 color : COLOR;

			};



			struct v2f

			{

				float4 vertex : SV_POSITION;

				float2 uv : TEXCOORD0;

				fixed4 color : COLOR;

			};



			sampler2D _MainTex;

			float4 _MainTex_ST;



			v2f vert(appdata v)

			{

				v2f o;

				//o.vertex = UnityObjectToClipPos(v.vertex);

				o.vertex = UnityObjectToClipPos(v.vertex);

				o.uv = TRANSFORM_TEX(v.uv, _MainTex);

				o.color = v.color;

				return o;

			}



			fixed4 frag(v2f i) : SV_Target

			{

				return tex2D(_MainTex, i.uv)*i.color;

			}

			ENDCG

		}

	}

}