UGUI 背景虚化Shader

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最新推荐文章于 2024-07-24 17:33:50 发布

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文章标签： unity

本文链接：https://blog.youkuaiyun.com/hp223/article/details/124455164

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Unity Shader 屏幕模糊 GrabPass 高斯模糊

关键词由优快云通过智能技术生成

Shader "Custom/Blur"
{
	Properties
	{
		_Blur("Blur", float) = 10
	}
		SubShader
		{
			Tags{ "Queue" = "Transparent"
				}

			GrabPass
			{}

			Pass
			{
				CGPROGRAM

				#pragma vertex vert
				#pragma fragment frag
				#include "UnityCG.cginc"

				struct appdata
				{
					float4 vertex : POSITION;
					float2 uv : TEXCOORD0;
					fixed4 color : COLOR;
				};

				struct v2f
				{
					float4 grabPos : TEXCOORD0;
					float4 pos : SV_POSITION;
					float4 vertColor : COLOR;
				};

				v2f vert(appdata v)
				{
					v2f o;
					o.pos = UnityObjectToClipPos(v.vertex);
					o.grabPos = ComputeGrabScreenPos(o.pos);
					o.vertColor = v.color;
					return o;
				}

				sampler2D _GrabTexture;
				fixed4 _GrabTexture_TexelSize;

				float _Blur;

				half4 frag(v2f i) : SV_Target
				{
					float blur = _Blur;
					blur = max(1, blur);

					fixed4 col = (0, 0, 0, 0);
					float weight_total = 0;