Ray traced shadow sample settings greater than 1 cause shadow artifacts

Rendering - Ray Tracing - Sep 23, 2020

Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...

Crash occurs when RayTracing.ExcludeDecals is enabled

Rendering - Ray Tracing - Sep 16, 2020

The cause of the crash is out-of-range access to the array. ExcludeDecals eliminates the mesh instance to which the decal material is assigned, but it seems that the MeshCommand has been registered ...

Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing

Rendering - Ray Tracing - Sep 16, 2020

According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...

Static lighting isn't bouncing when using Layered Materials

Rendering - Ray Tracing - Aug 13, 2020

Static lighting will not bounce on the ceiling when using a Layered Material. The Material Attributes Layers node is used which doesn't appear in 4.24.3 so this isn't a regression. This was report ...

Reflection captures cannot capture any ray tracing effects

Rendering - Ray Tracing - Aug 4, 2020

Currently, Reflection capture ignore any ray tracing effects. So let'say you want to use only ray tracing shadow but also you want to use reflection captures for reflections instead of ray tracing r ...

Point lights affect indirect lighting on RTGI much less than other types of lights

Rendering - Ray Tracing - Aug 4, 2020

Only point lights affect indirect lighting on RTGI much less than other types of lights.[Image Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Image Removed] Apparently ...

Lightmaps cannot be created correctly when copying Blueprint that has Static Light as Child Actor component on the level

Rendering - Ray Tracing - Jul 31, 2020

In this project, BP with Spot Light registered as Child Actor is placed. If we copy and build, the following warning will be displayed. BP_Spotlight_GEN_VARIABLE_BP_Spotlight_C_CAT_330 'BP_Spotlig ...

"REFLECTION CAPTURES NEED TO BE REBUILT" is displayed on a cooked game.

Rendering - Ray Tracing - Jul 29, 2020

This issue occurs when streaming levels including reflection captures are displayed with  delay. When it finishes loading assets, reflection capture textures are uploaded to the GPU. Then the leve ...

UE4Editor is crashing after user builds lighting

Rendering - Ray Tracing - Jul 22, 2020

Issue reported by user that they are experiencing consistent crashes in UE4Editor have building lighting. ...

Weird reflection pixels of translucent objects with Ray Tracing Reflection

Rendering - Ray Tracing - Jul 15, 2020

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