64 lines
1.4 KiB
Plaintext
64 lines
1.4 KiB
Plaintext
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//----------------------------------------------------------------------------------------------------------
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// X-PostProcessing Library
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// https://github.com/QianMo/X-PostProcessing-Library
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// Copyright (C) 2020 QianMo. All rights reserved.
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// Licensed under the MIT License
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// You may not use this file except in compliance with the License.You may obtain a copy of the License at
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// http://opensource.org/licenses/MIT
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//----------------------------------------------------------------------------------------------------------
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Shader "Hidden/X-PostProcessing/RadialBlur"
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{
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HLSLINCLUDE
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#include "../../../Shaders/StdLib.hlsl"
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#include "../../../Shaders/XPostProcessing.hlsl"
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uniform half4 _Params;
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#define _BlurRadius _Params.x
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#define _Iteration _Params.y
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#define _RadialCenter _Params.zw
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half4 RadialBlur(VaryingsDefault i)
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{
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float2 blurVector = (_RadialCenter - i.texcoord.xy) * _BlurRadius;
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half4 acumulateColor = half4(0, 0, 0, 0);
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[unroll(30)]
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for (int j = 0; j < _Iteration; j ++)
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{
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acumulateColor += SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.texcoord);
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i.texcoord.xy += blurVector;
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}
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return acumulateColor / _Iteration;
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}
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half4 Frag(VaryingsDefault i): SV_Target
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{
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return RadialBlur(i);
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}
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ENDHLSL
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SubShader
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{
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Cull Off ZWrite Off ZTest Always
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Pass
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{
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HLSLPROGRAM
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#pragma vertex VertDefault
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#pragma fragment Frag
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ENDHLSL
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}
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}
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}
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