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Enlighten API 4.03 Documentation
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  • class Enlighten RgbaCpuTextureSampler
  • class Enlighten RgbmCpuTextureSampler
  • class Enlighten SetLightBankUpdateCounterInfo
  • class Enlighten SetParameterCommand
  • class Enlighten SetProbeSetTransformInfo
  • class Enlighten SetTransparencySamplePositionOffsetInfo
  • class Enlighten SetVisibilityBitsInfo
  • class Enlighten SolveBounceTask
  • class Enlighten SortedLights
  • class Enlighten SphereVolume
  • class Enlighten Spotlight
  • class Enlighten SystemAlbedoData
  • class Enlighten SystemDependencies
  • class Enlighten SystemGrouping
  • class Enlighten TaskProcessor
  • class Enlighten TransparencyWorkspace
  • class Enlighten Triangle2D
  • class Enlighten TriggerVolumeTransparencyGeneric
  • class Enlighten UpdateEnvironmentInfo
  • class Enlighten UpdateLightCommandGeneric
  • class Enlighten UpdateLightInfo
  • class Enlighten UpdateLightOptions
  • class Enlighten UpdateManagerLight
  • class Enlighten UpdateManagerProperties
  • class Enlighten UpdateManagerWorkerProperties
  • class Enlighten Vertex2D
  • class Enlighten VisibilityBuffer
  • class Enlighten WorkerFunctionCommand
  • class Enlighten WorkerFunctionParameterCommand
  • class Enlighten WorkerFunctionTwoParametersCommand
  • class Enlighten WorkerFunctorCommand
  • class Enlighten WorkerObjectFunctionCommand
  • class Enlighten WorkerThreadData
  • class Enlighten WorkspaceAllocator
  • namespace Enlighten Errors
  • namespace Enlighten Helpers
  • namespace Enlighten Iff
  • namespace Enlighten InputLightingValidation
  • namespace Enlighten Itt
  • namespace Enlighten OutputTextureState
  • namespace Enlighten UE4
    • class Enlighten UE4 FourVec3s
    • class Enlighten UE4 RectLight
    • class Enlighten UE4 UE4InputLight
    • class Enlighten UE4 UnrealDirectionalLight
    • class Enlighten UE4 UnrealDirectionalLightFunction
    • struct Enlighten UE4 InverseSquareFalloffModel
    • struct Enlighten UE4 UnrealFalloffModel
  • namespace Enlighten Version
  • struct Enlighten AllFilter
  • struct Enlighten BakeInputTexture
  • struct Enlighten CachedLightSelector
  • struct Enlighten CachedLightWriter
  • struct Enlighten CanQuickShade
  • struct Enlighten CanQuickShade< LIGHT_TYPE_DIRECTIONAL_LIGHT >
  • struct Enlighten CountLightSizeVisitor
  • struct Enlighten CullCluster
  • struct Enlighten CullClusterGroup
  • struct Enlighten CullingIterator
  • struct Enlighten CullingIterator< LIGHT_TYPE_INVALID, Culler >
  • struct Enlighten CullSystem
  • struct Enlighten ExcludeQuickShadeFilter
  • struct Enlighten HashLightVisitor
  • struct Enlighten InstanceDescMinimal
  • struct Enlighten LightSelector
  • struct Enlighten LightTypeInfo
  • struct Enlighten NullSurroundingsSampler
  • struct Enlighten PipelineInstanceMaterial
  • struct Enlighten PipelineMaterial
  • struct Enlighten PipelineRadiosityProperties
  • struct Enlighten PipelineWorldAxes
  • struct Enlighten PixelBarycentricWeights
  • struct Enlighten PixelCoord
  • struct Enlighten PointProjectionVertex
  • struct Enlighten PppiAtlasFootprint
  • struct Enlighten PppiAtlasMaxima
  • struct Enlighten PppiAtlasUpdateData
  • struct Enlighten PppiAtlasUpdateRequirements
  • struct Enlighten PppiClipmapUpdateData
  • struct Enlighten PppiClipmapUpdateRequirements
  • struct Enlighten PppiConfiguration
    Calendars
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namespace Enlighten UE4

    This is the documentation for Enlighten.

    namespace Enlighten UE4

    Sept 09, 2025

    Enlighten::UE4

    Unreal Engine 4 specifics.

    Classes

    Name Description
    Enlighten::UE4::FourVec3s

    Helper class for handling 4 SoA packed 3-vectors.

    Enlighten::UE4::InverseSquareFalloffModel

    Inverse-square radial falloff model.

    Enlighten::UE4::RectLight

    A UE4 Rect Light.

    Enlighten::UE4::UE4InputLight

    A UE4 input light.

    Enlighten::UE4::UnrealDirectionalLight

    A directional light for UE4.

    Enlighten::UE4::UnrealDirectionalLightFunction

    A light type similar to DirectionalLight which uses an approximation of a 2D light function to control the intensity of the lighting.

    Enlighten::UE4::UnrealFalloffModel

    Default Unreal radial falloff model.

    Typedefs

    Name Description
    UE4InputLight< InverseSquareFalloffModel > InverseSquareFalloffLight

    Typedefs for the various concrete light types.

    UE4InputLight< UnrealFalloffModel > UnrealFalloffLight

    Typedefs for the various concrete light types.

    Functions

    Name Description
    Clamp(Geo::v128, Geo::v128, Geo::v128)

    Clamps each component of given vector between min and max.

    Saturate(Geo::v128)

    Clamps each component of given vector between zero and one.

    Square(T)

    Calculates x * x.


    GEO_CONTROLLED_INLINE Geo::v128 Enlighten::UE4::Clamp

    public: GEO_CONTROLLED_INLINEGeo::v128 Clamp
    (
        Geo::v128 x,
        Geo::v128 min,
        Geo::v128 max
    )

    Clamps each component of given vector between min and max.


    GEO_CONTROLLED_INLINE Geo::v128 Enlighten::UE4::Saturate

    public: GEO_CONTROLLED_INLINEGeo::v128 Saturate
    (
        Geo::v128 x
    )

    Clamps each component of given vector between zero and one.


    GEO_CONTROLLED_INLINE T Enlighten::UE4::Square

    public: GEO_CONTROLLED_INLINE T Square
    (
        T x
    )

    Calculates x * x.

    , multiple selections available,
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