Unreal Engine Issues

UE-88319

Spline mesh actor + Vulkan RHI, rendering artifacts

Spline mesh actor + Vulkan RHI, rendering artifacts

Description

Rendering artifacts when using spline meshes with Vulkan enabled.

Recent Nvidia drivers may be required for repro. (Users version: 441.66 , My Local Version: 441.12)

Confirmed in MAIN 4.25 @ CL 11289608

Steps to Reproduce
  1. In project settings - Change Default RHI to Vulkan and restart editor
  2. Place a Spline Mesh Actor into scene and assign a static mesh (Not very apparent with cube, try cylinder or sphere)

Result: Black rendering artifacts reminiscent of z-fighting

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Won't Fix
ComponentUE - Rendering Architecture - RHI
Affects Versions4.23.1, 4.24.2, 4.25
CreatedFeb 7, 2020
ResolvedAug 31, 2021
UpdatedAug 31, 2021