Unreal Engine Issues
Unreal Engine Issues
CSM Shadows disappearing at larger coordinates with different FOVs
UE - Graphics Features - Shadows - Apr 5, 2024Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...
Shadow doesn't update for a moving nanite mesh (fixed in 5.4)
UE - Graphics Features - Shadows - Mar 25, 2024When a nanite mesh moves, the shadow does not. ...
Contact shadow has box artifacts with backlighting for two sided Subsurface shading model
UE - Graphics Features - Shadows - Nov 14, 2023See slack channel: [Link Removed] ...
Shadow Flickering with Lighting Channels
UE - Graphics Features - Shadows - Oct 27, 2023It looks like static meshes can invalidate large numbers of VSM pages when the geometry and the light are not on light channel 0. ...
Missing shadows when combining CSMCaching and Nanite
UE - Graphics Features - Shadows - Jun 28, 2023A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...
Translucent mesh dissapears when using masked shadows
UE - Graphics Features - Shadows - Jun 7, 2023This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...
Light leaks when cast shadow disabled light is applied to the Hair material.
UE - Graphics Features - Shadows - Feb 27, 2023There seems to be a leak in the ContactShadow determination in DeferredLightingCommon.ush ShadowRayCast(), but I could not determine if this is the specification. This problem always occurs from 4. ...
Shadow Map Method Shadow Maps doesn't allow for Static Meshes to shadow Moveable Meshes with a Stationary Light source
UE - Graphics Features - Shadows - Jan 5, 2023This is a regression tested in //UE5/Release-5.0 CL20979098 Shadow Map Method Shadow Maps doesn't allow for Static Meshes to shadow Moveable Meshes with a Stationary Light source. ...
Disabling Cast Static Shadows on Stationary Lights causes dynamic shadows to not render
UE - Graphics Features - Shadows - Jan 3, 2023Regression: Tested in UE5/Release-5.1, this issue occurs as well. The shadows render properly for the sphere when Virtual Shadow Maps is set as the Shadow Method, as well as when Ray Traced Shadows ...
Distance Field Shadows does not respect FSceneView::HiddenPrimitives
UE - Graphics Features - Shadows - Dec 5, 2022Basically, APlayerController::HiddenActors, which is propagated into FSceneView::HiddenPrimitives is not used to skip shadow casters in the DF shadow implementation. Because this does not use the g ...