65 lines
1.9 KiB
HLSL
65 lines
1.9 KiB
HLSL
#ifndef UNIVERSAL_INPUT_SURFACE_INCLUDED
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#define UNIVERSAL_INPUT_SURFACE_INCLUDED
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/SurfaceData.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Packing.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/CommonMaterial.hlsl"
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TEXTURE2D(_BaseMap);
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SAMPLER(sampler_BaseMap);
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float4 _BaseMap_TexelSize;
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float4 _BaseMap_MipInfo;
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TEXTURE2D(_BumpMap);
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SAMPLER(sampler_BumpMap);
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TEXTURE2D(_EmissionMap);
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SAMPLER(sampler_EmissionMap);
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///////////////////////////////////////////////////////////////////////////////
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// Material Property Helpers //
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///////////////////////////////////////////////////////////////////////////////
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half Alpha(half albedoAlpha, half4 color, half cutoff)
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{
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#if !defined(_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A) && !defined(_GLOSSINESS_FROM_BASE_ALPHA)
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half alpha = albedoAlpha * color.a;
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#else
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half alpha = color.a;
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#endif
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#if defined(_ALPHATEST_ON)
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clip(alpha - cutoff);
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#endif
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return alpha;
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}
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half4 SampleAlbedoAlpha(float2 uv, TEXTURE2D_PARAM(albedoAlphaMap, sampler_albedoAlphaMap))
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{
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return half4(SAMPLE_TEXTURE2D(albedoAlphaMap, sampler_albedoAlphaMap, uv));
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}
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half3 SampleNormal(float2 uv, TEXTURE2D_PARAM(bumpMap, sampler_bumpMap), half scale = half(1.0))
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{
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#ifdef _NORMALMAP
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half4 n = SAMPLE_TEXTURE2D(bumpMap, sampler_bumpMap, uv);
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#if BUMP_SCALE_NOT_SUPPORTED
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return UnpackNormal(n);
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#else
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return UnpackNormalScale(n, scale);
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#endif
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#else
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return half3(0.0h, 0.0h, 1.0h);
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#endif
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}
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half3 SampleEmission(float2 uv, half3 emissionColor, TEXTURE2D_PARAM(emissionMap, sampler_emissionMap))
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{
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#ifndef _EMISSION
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return 0;
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#else
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return SAMPLE_TEXTURE2D(emissionMap, sampler_emissionMap, uv).rgb * emissionColor;
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#endif
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}
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#endif
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