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44 lines
1.2 KiB
44 lines
1.2 KiB
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)' |
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Shader "Hidden/BlurEffectConeTap" { |
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Properties { _MainTex ("", any) = "" {} } |
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CGINCLUDE |
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#include "UnityCG.cginc" |
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struct v2f { |
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float4 pos : SV_POSITION; |
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half2 uv : TEXCOORD0; |
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half2 taps[4] : TEXCOORD1; |
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}; |
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sampler2D _MainTex; |
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half4 _MainTex_TexelSize; |
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half4 _BlurOffsets; |
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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 = v.texcoord - _BlurOffsets.xy * _MainTex_TexelSize.xy; // hack, see BlurEffect.cs for the reason for this. let's make a new blur effect soon |
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o.taps[0] = o.uv + _MainTex_TexelSize * _BlurOffsets.xy; |
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o.taps[1] = o.uv - _MainTex_TexelSize * _BlurOffsets.xy; |
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o.taps[2] = o.uv + _MainTex_TexelSize * _BlurOffsets.xy * half2(1,-1); |
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o.taps[3] = o.uv - _MainTex_TexelSize * _BlurOffsets.xy * half2(1,-1); |
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return o; |
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} |
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half4 frag(v2f i) : SV_Target { |
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half4 color = tex2D(_MainTex, i.taps[0]); |
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color += tex2D(_MainTex, i.taps[1]); |
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color += tex2D(_MainTex, i.taps[2]); |
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color += tex2D(_MainTex, i.taps[3]); |
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return color * 0.25; |
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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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CGPROGRAM |
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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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}
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