UDocumentation
UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
Lumen Directory Reference
Files
Lumen.cpp
Lumen.h
LumenDiffuseIndirect.cpp
LumenFrontLayerTranslucency.cpp
LumenFrontLayerTranslucency.h
LumenHardwareRayTracingCommon.cpp
LumenHardwareRayTracingCommon.h
LumenHardwareRayTracingMaterials.cpp
LumenHeightfields.cpp
LumenHeightfields.h
LumenIrradianceFieldGather.cpp
LumenMeshCards.cpp
LumenMeshCards.h
LumenMeshSDFCulling.cpp
LumenRadianceCache.cpp
LumenRadianceCache.h
LumenRadianceCacheHardwareRayTracing.cpp
LumenRadianceCacheInternal.h
LumenRadianceCacheInterpolation.h
LumenRadiosity.cpp
LumenRadiosity.h
LumenReflectionHardwareRayTracing.cpp
LumenReflections.cpp
LumenReflections.h
LumenReflectionTracing.cpp
LumenReSTIRGather.cpp
LumenReSTIRGather.h
LumenScene.cpp
LumenSceneCardCapture.cpp
LumenSceneCardCapture.h
LumenSceneData.h
LumenSceneDirectLighting.cpp
LumenSceneDirectLightingHardwareRayTracing.cpp
LumenSceneDirectLightingStochastic.inl
LumenSceneGPUDrivenUpdate.cpp
LumenSceneGPUDrivenUpdate.h
LumenSceneLighting.cpp
LumenSceneLighting.h
LumenSceneRendering.cpp
LumenScreenProbeFiltering.cpp
LumenScreenProbeGather.cpp
LumenScreenProbeGather.h
LumenScreenProbeHardwareRayTracing.cpp
LumenScreenProbeImportanceSampling.cpp
LumenScreenProbeTracing.cpp
LumenScreenSpaceBentNormal.cpp
LumenShortRangeAO.h
LumenShortRangeAOHardwareRayTracing.cpp
LumenSparseSpanArray.h
LumenSurfaceCache.cpp
LumenSurfaceCacheFeedback.cpp
LumenSurfaceCacheFeedback.h
LumenTracingUtils.cpp
LumenTracingUtils.h
LumenTranslucencyRadianceCache.cpp
LumenTranslucencyVolumeHardwareRayTracing.cpp
LumenTranslucencyVolumeLighting.cpp
LumenTranslucencyVolumeLighting.h
LumenUniqueList.h
LumenViewState.h
LumenVisualize.cpp
LumenVisualize.h
LumenVisualizeHardwareRayTracing.cpp
LumenVisualizeRadianceCache.cpp
RayTracedTranslucency.h
Engine
Source
Runtime
Renderer
Private
Lumen
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