71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
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namespace UnityEngine.Rendering.HighDefinition
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{
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[GenerateHLSL]
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enum PbrSkyConfig
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{
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// Tiny
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GroundIrradianceTableSize = 256, // <N, L>
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// 16 MiB
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InScatteredRadianceTableSizeX = 128, // <N, V>
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InScatteredRadianceTableSizeY = 32, // height
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InScatteredRadianceTableSizeZ = 16, // AzimuthAngle(L) w.r.t. the view vector
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InScatteredRadianceTableSizeW = 64, // <N, L>,
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// 4 KiB
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MultiScatteringLutWidth = 32,
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MultiScatteringLutHeight = 32,
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// 144 KiB
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SkyViewLutWidth = 256,
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SkyViewLutHeight = 144,
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// 256 KiB
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AtmosphericScatteringLutWidth = 32,
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AtmosphericScatteringLutHeight = 32,
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AtmosphericScatteringLutDepth = 64,
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};
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[GenerateHLSL(needAccessors = false, generateCBuffer = true, constantRegister = (int)ConstantRegister.PBRSky)]
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unsafe struct ShaderVariablesPhysicallyBasedSky
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{
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// All the distance-related entries use SI units (meter, 1/meter, etc).
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public float _AtmosphericRadius;
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public float _AerosolAnisotropy;
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public float _AerosolPhasePartConstant;
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public float _AerosolSeaLevelExtinction;
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public float _AirDensityFalloff;
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public float _AirScaleHeight;
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public float _AerosolDensityFalloff;
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public float _AerosolScaleHeight;
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public Vector2 _OzoneScaleOffset;
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public float _OzoneLayerStart;
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public float _OzoneLayerEnd;
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public Vector4 _AirSeaLevelExtinction;
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public Vector4 _AirSeaLevelScattering;
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public Vector4 _AerosolSeaLevelScattering;
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public Vector4 _OzoneSeaLevelExtinction;
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public Vector4 _GroundAlbedo_PlanetRadius;
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public Vector4 _HorizonTint;
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public Vector4 _ZenithTint;
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public float _IntensityMultiplier;
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public float _ColorSaturation;
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public float _AlphaSaturation;
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public float _AlphaMultiplier;
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public float _HorizonZenithShiftPower;
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public float _HorizonZenithShiftScale;
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public uint _CelestialLightCount;
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public uint _CelestialBodyCount;
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public float _AtmosphericDepth;
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public float _RcpAtmosphericDepth;
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public float _CelestialLightExposure;
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public float _PaddingPBS;
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}
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}
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