27 lines
584 B
HLSL
27 lines
584 B
HLSL
#ifndef UNIVERSAL_PIPELINE_LODCROSSFADE_INCLUDED
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#define UNIVERSAL_PIPELINE_LODCROSSFADE_INCLUDED
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/GlobalSamplers.hlsl"
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float _DitheringTextureInvSize;
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TEXTURE2D(_DitheringTexture);
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half CopySign(half x, half s)
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{
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return (s >= 0) ? abs(x) : -abs(x);
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}
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void LODFadeCrossFade(float4 positionCS)
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{
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half2 uv = positionCS.xy * _DitheringTextureInvSize;
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half d = SAMPLE_TEXTURE2D(_DitheringTexture, sampler_PointRepeat, uv).a;
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d = unity_LODFade.x - CopySign(d, unity_LODFade.x);
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clip(d);
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}
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#endif
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