This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred.
Source Context
1964 // Determine the amount of shadow buffer resolution needed for this view. 1965 float UnclampedResolution = 1.0f; 1966 1967 switch (LightSceneInfo->Proxy->GetLightType()) 1968 { 1969 case LightType_Point: 1970 UnclampedResolution = ScreenRadius * CVarShadowTexelsPerPixelPointlight.GetValueOnRenderThread(); 1971 break; 1972 case LightType_Spot: 1973 UnclampedResolution = ScreenRadius * CVarShadowTexelsPerPixelSpotlight.GetValueOnRenderThread(); 1974 break; 1975 default: 1976 // directional lights are not handled here 1977 ***** checkf(false, TEXT("Unexpected LightType appears in CreateWholeSceneProjectedShadow")); 1978 }
repro steps currently unknown
Assertion failed: false [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Renderer\Private\ShadowSetup.cpp] [Line: 1978] Unexpected LightType appears in CreateWholeSceneProjectedShadow UE4Editor_Renderer!FSceneRenderer::CreateWholeSceneProjectedShadow() [shadowsetup.cpp:1978] UE4Editor_Renderer!FSceneRenderer::InitDynamicShadows() [shadowsetup.cpp:3639] UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViewsPossiblyAfterPrepass() [scenevisibility.cpp:2945] UE4Editor_Renderer!FDeferredShadingSceneRenderer::InitViews() [scenevisibility.cpp:2904] UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [deferredshadingrenderer.cpp:579] UE4Editor_Renderer!RenderViewFamily_RenderThread() [scenerendering.cpp:2073] UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`26'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [taskgraphinterfaces.h:784] UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [taskgraph.cpp:651] UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [taskgraph.cpp:560] UE4Editor_RenderCore!RenderingThreadMain() [renderingthread.cpp:327] UE4Editor_RenderCore!FRenderingThread::Run() [renderingthread.cpp:461] UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-50657 in the post.
| 0 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 4.18, 4.18.2 |
| Created | Oct 2, 2017 |
|---|---|
| Resolved | Aug 31, 2018 |
| Updated | Jul 1, 2020 |