Skip to content

Instantly share code, notes, and snippets.

@aikar
Created June 3, 2025 19:47
Show Gist options
  • Save aikar/d28a337aebf110f52c89cfa372500442 to your computer and use it in GitHub Desktop.
Save aikar/d28a337aebf110f52c89cfa372500442 to your computer and use it in GitHub Desktop.
Clair Obscur - Expedition 33 - High/Ultra RT enhancements + clarity improvements
[/Script/Engine.RendererSettings]
r.MinRoughnessOverride=0.5
[SystemSettings]
r.DFDistanceScale=2
r.ViewDistanceScale=2
foliage.LODDistanceScale=2
r.postprocessing.disablematerials=1
r.DepthOfFieldQuality=0
r.SceneColorFringeQuality=0
;r.Tonemapper.Quality=1
;r.Tonemapper.Sharpen=0
r.Tonemapper.GrainQuantization=0
r.SkeletalMeshLODBias=-15
; ===== Lumen Optimizations =====
r.Lumen.HardwareRayTracing.Inline=1
r.Lumen.HardwareRayTracing.LightingMode=2 ; 2 only for ultra
r.Lumen.HardwareRayTracing.MaxIterations=4096
r.Lumen.HardwareRayTracing.MinTraceDistanceToSampleSurfaceCache=5
r.Lumen.HardwareRayTracing.PullbackBias=4
r.Lumen.HardwareRayTracing.SkipBackFaceHitDistance=2
r.Lumen.HardwareRayTracing.SkipTwoSidedHitDistance=1
r.Lumen.Reflections.HardwareRayTracing.Retrace.HitLighting=1
r.Lumen.Reflections.HardwareRayTracing.Translucent.MaxRefractionBounces=1
r.Lumen.Reflections.MaxBounces=1
r.Lumen.Reflections.HardwareRayTracing.BucketMaterials=1
r.Lumen.Reflections.DownsampleFactor=1
r.Lumen.Reflections.GGXSamplingBias=0.5
r.Lumen.Reflections.SmoothBias=0.25
r.Lumen.Reflections.HiResSurface=1
r.Lumen.Reflections.SampleSceneColorAtHit=1
r.Lumen.Reflections.TraceMeshSDFs=1
r.Lumen.Reflections.ScreenSpaceReconstruction=1
r.Lumen.Reflections.ScreenSpaceReconstruction.KernelRadius=6.0
r.Lumen.Reflections.ScreenSpaceReconstruction.NumSamples=6
r.Lumen.Reflections.ScreenSpaceReconstruction.RoughnessScale=1.0
r.Lumen.Reflections.ScreenSpaceReconstruction.TonemapStrength=0.85
r.Lumen.Reflections.Temporal=1
r.Lumen.Reflections.Temporal.MaxFramesAccumulated=16
r.Lumen.Reflections.Temporal.DistanceThreshold=0.002
r.Lumen.Reflections.Temporal.MaxRayDirections=16
r.Lumen.Reflections.BilateralFilter=1
r.Lumen.Reflections.BilateralFilter.NumSamples=8
r.Lumen.Reflections.BilateralFilter.SpatialKernelRadius=0.004
r.Lumen.Reflections.BilateralFilter.StrongBlurVarianceThreshold=0.2
r.LumenScene.DirectLighting.HardwareRayTracing=1
r.LumenScene.DirectLighting.HardwareRayTracing.HeightfieldProjectionBias=0
r.LumenScene.DirectLighting.MeshSDF.ShadowRayBias=2.0
r.LumenScene.DirectLighting.MaxLightsPerTile=12
r.LumenScene.DirectLighting.HardwareRayTracing.ShadowRayBias=1.0
r.LumenScene.Radiosity.MaxRayIntensity=0.5
r.LumenScene.Radiosity.HemisphereProbeResolution=6
r.LumenScene.Radiosity.HardwareRayTracing=1
r.LumenScene.Radiosity.HardwareRayTracing.SlopeSurfaceBias=0.05
r.LumenScene.Radiosity.HardwareRayTracing.SurfaceBias=0.03
; ===== Screen Probe Tweaks =====
r.Lumen.ScreenProbeGather.TemporalReprojectionAmount=0.5
r.Lumen.ScreenProbeGather.IrradianceBias=4.0
r.Lumen.ScreenProbeGather.LightingFunctionBias=4.0
r.Lumen.ScreenProbeGather.MaxRayIntensity=5.0
r.Lumen.ScreenProbeGather.GlobalLightingLeakingReduction=1
r.Lumen.ScreenProbeGather.DownsampleFactor=4
r.Lumen.ScreenProbeGather.ShortRangeAO.HardwareRayTracing=1
r.Lumen.ScreenProbeGather.ScreenTraces=1
r.Lumen.ScreenProbeGather.ScreenTraces.HZBTraversal=1 ; only for ultra
r.Lumen.ScreenProbeGather.StochasticInterpolation=0
r.Lumen.ScreenProbeGather.Temporal.MaxFramesAccumulated=16
; ===== Heterogeneous Volumes =====
r.HeterogeneousVolumes.HardwareRayTracing=1
r.HeterogeneousVolumes.IndirectLighting=1
r.HeterogeneousVolumes.Shadows=1
r.HeterogeneousVolumes.MaxShadowTraceDistance=15000.0
; ===== Nanite Tweaks =====
r.Nanite.DicingRate=1.0
r.Nanite.MaxPixelsPerEdge=0.5
; ===== Volumetric Fog =====
r.VolumetricFog.InjectRaytracedLights=1
r.VolumetricFog.GlobalDensity=0.075
r.VolumetricFog.ScatteringDistribution=0.85
r.VolumetricFog.ConservativeDepth=1
; ===== Shadows =====
r.Shadow.Virtual.TranslucentQuality=1
; ===== DLSS Ray Reconstruction =====
r.NGX.DLSS.RayReconstruction=1
r.NGX.DLSS.denoisermode=1
r.Lumen.TraceMeshSDFs=1
r.Lumen.TraceMeshSDFs.Allow=1
r.Lumen.TraceMeshSDFs.TraceDistance=300
r.LumenScene.DirectLighting.OffscreenShadowing.TraceMeshSDFs=1
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment