Unreal Engine Issues
Unreal Engine Issues
D3D12RHI crash when interacting with UI using dx12 with raytracing enabled
UE - Graphics Features - Feb 12, 2020Enabling raytracing and DirectX12 results in D3D12RHI crash when interacting with the UI or console inside of the editor. User is using the latest drivers and has adequate hardware to run raytraci ...
With Ray Tracing Enabled And The RenderDoc Plugin Enabled Shadows Don't Render Correctly On Reflective Materials
UE - Graphics Features - Lumen - Jan 23, 2020When the RenderDoc plugin is installed with raytracing enabled shadows don't render correctly. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11087956 ...
The Radial Blur Shader Doesn't Look Correct With Raytracing Translucency Enabled
UE - Graphics Features - Lumen - Jan 21, 2020The Radial Blur shader doesn't look correct with ray tracing translucency enabled. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11050671 ...
Raytracing shadows and lighting not showing in rendertarget
UE - Graphics Features - Lumen - Dec 19, 2019Raytracing shadows and light reflections not appearing in render target Tested in: 4.22.3 CL#7053642 4.23.1 CL#9631420 4.25 CL#10730208 ...
Editor compile failure in UnrealEngineHTML5 -- unsafe use of type 'bool'
UE - Platform - Mobile - Dec 4, 2019Severity Code Description Project File Line Error ...
Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12
UE - Rendering Architecture - RHI - Dec 2, 2019Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...
Rect lights cause visual noise on the light rendered when using raytracing
UE - Graphics Features - Lumen - Nov 12, 2019Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...
Skylight mobility settings interfere with Ray Tracing accuracy
UE - Graphics Features - Lumen - Oct 28, 2019When skylight raytracing is enabled, and skylight mobility is movable, skylight diffuse convolution is used on top of the skylight diffuse raytracing, causing severe bias and incorrect raytraced res ...
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Ray Traced Translucency Option Doesn't Function in Post Process Volume
UE - Graphics Features - Lumen - Aug 16, 2019Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...