您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
66 行
1.2 KiB
66 行
1.2 KiB
Shader "Hidden/SeparableBlur" {
|
|
Properties {
|
|
_MainTex ("Base (RGB)", 2D) = "" {}
|
|
}
|
|
|
|
CGINCLUDE
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct v2f {
|
|
float4 pos : SV_POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
|
|
float4 uv01 : TEXCOORD1;
|
|
float4 uv23 : TEXCOORD2;
|
|
float4 uv45 : TEXCOORD3;
|
|
};
|
|
|
|
float4 offsets;
|
|
|
|
sampler2D _MainTex;
|
|
|
|
v2f vert (appdata_img v) {
|
|
v2f o;
|
|
o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
|
|
|
|
o.uv.xy = v.texcoord.xy;
|
|
|
|
o.uv01 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1);
|
|
o.uv23 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1) * 2.0;
|
|
o.uv45 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1) * 3.0;
|
|
|
|
return o;
|
|
}
|
|
|
|
half4 frag (v2f i) : SV_Target {
|
|
half4 color = float4 (0,0,0,0);
|
|
|
|
color += 0.40 * tex2D (_MainTex, i.uv);
|
|
color += 0.15 * tex2D (_MainTex, i.uv01.xy);
|
|
color += 0.15 * tex2D (_MainTex, i.uv01.zw);
|
|
color += 0.10 * tex2D (_MainTex, i.uv23.xy);
|
|
color += 0.10 * tex2D (_MainTex, i.uv23.zw);
|
|
color += 0.05 * tex2D (_MainTex, i.uv45.xy);
|
|
color += 0.05 * tex2D (_MainTex, i.uv45.zw);
|
|
|
|
return color;
|
|
}
|
|
|
|
ENDCG
|
|
|
|
Subshader {
|
|
Pass {
|
|
ZTest Always Cull Off ZWrite Off
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
ENDCG
|
|
}
|
|
}
|
|
|
|
Fallback off
|
|
|
|
|
|
} // shader
|