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71 lines
1.4 KiB
Plaintext
71 lines
1.4 KiB
Plaintext
// Blur from this blog post: https://blogs.unity3d.com/2015/02/06/extending-unity-5-rendering-pipeline-command-buffers/
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Shader "Hidden/SeparableGlassBlur" {
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Properties {
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_MainTex ("Base (RGB)", 2D) = "" {}
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}
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CGINCLUDE
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#include "UnityCG.cginc"
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struct v2f {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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float4 uv01 : TEXCOORD1;
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float4 uv23 : TEXCOORD2;
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float4 uv45 : TEXCOORD3;
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};
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float4 offsets;
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sampler2D _MainTex;
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v2f vert (appdata_img v) {
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v2f o;
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o.pos = UnityObjectToClipPos(v.vertex);
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o.uv.xy = v.texcoord.xy;
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o.uv01 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1);
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o.uv23 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1) * 2.0;
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o.uv45 = v.texcoord.xyxy + offsets.xyxy * float4(1,1, -1,-1) * 3.0;
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return o;
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}
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half4 frag (v2f i) : COLOR {
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half4 color = float4 (0,0,0,0);
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color += 0.40 * tex2D (_MainTex, i.uv);
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color += 0.15 * tex2D (_MainTex, i.uv01.xy);
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color += 0.15 * tex2D (_MainTex, i.uv01.zw);
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color += 0.10 * tex2D (_MainTex, i.uv23.xy);
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color += 0.10 * tex2D (_MainTex, i.uv23.zw);
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color += 0.05 * tex2D (_MainTex, i.uv45.xy);
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color += 0.05 * tex2D (_MainTex, i.uv45.zw);
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return color;
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}
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ENDCG
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Subshader {
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Pass {
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ZTest Always Cull Off ZWrite Off
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Fog { Mode off }
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CGPROGRAM
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#pragma fragmentoption ARB_precision_hint_fastest
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#pragma vertex vert
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#pragma fragment frag
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ENDCG
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}
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}
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Fallback off
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} // shader
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