58 lines
1.6 KiB
Plaintext
58 lines
1.6 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/KawaseBlur"
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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 half _Offset;
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half4 KawaseBlur(TEXTURE2D_ARGS(tex, samplerTex), float2 uv, float2 texelSize, half pixelOffset)
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{
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half4 o = 0;
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o += SAMPLE_TEXTURE2D(tex, samplerTex, uv + float2(pixelOffset +0.5, pixelOffset +0.5) * texelSize);
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o += SAMPLE_TEXTURE2D(tex, samplerTex, uv + float2(-pixelOffset -0.5, pixelOffset +0.5) * texelSize);
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o += SAMPLE_TEXTURE2D(tex, samplerTex, uv + float2(-pixelOffset -0.5, -pixelOffset -0.5) * texelSize);
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o += SAMPLE_TEXTURE2D(tex, samplerTex, uv + float2(pixelOffset +0.5, -pixelOffset -0.5) * texelSize);
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return o * 0.25;
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}
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half4 Frag(VaryingsDefault i): SV_Target
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{
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return KawaseBlur(TEXTURE2D_PARAM(_MainTex, sampler_MainTex), i.texcoord.xy, _MainTex_TexelSize.xy, _Offset);
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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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