This might be feature request?

Steps to Reproduce
  • Enable the project's Realtime raytracing feature
  • New a Default map
  • Put a plane mesh and assign a Single layer water material on it
  • Place a cylinder nearby to cast shadows on it
  • Make sure the directional light can cast raytracing shadow
  • The plane doesn't receive any raytracing shadows

You can turn off raytracing shadow by using Console command r.RayTracing.ForceAllRayTracingEffects 0 to see the plane can receive CSM

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ComponentUE - Graphics Features - Lumen
Affects Versions4.26.1
CreatedApr 1, 2021
UpdatedSep 22, 2022