upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Regression - YES
Shader compilation failure crash with DX12, Tesselation, Instanced Stereo, and Hierarchical LOD Coloration viewmode, with a shader like the following: [Image Removed]
Step 3 may or may not be required, but I didn't personally experience a crash until using that view mode.
LoginId:aff2526a40664d4c3c66ba9dff19a256 EpicAccountId:c687981c4d1f4b3499c0bb1908069a2a Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/RHI/Private/PipelineStateCache.cpp] [Line: 139] Shader compilation failures are Fatal. UE4Editor_RHI!FCompilePipelineStateTask::DoTask() [D:\Build\++UE4\Sync\Engine\Source\Runtime\RHI\Private\PipelineStateCache.cpp:907] UE4Editor_RHI!TGraphTask<FCompilePipelineStateTask>::ExecuteTask() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Async\TaskGraphInterfaces.h:886] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:1065] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:888] UE4Editor_Core!FTaskThreadAnyThread::Run() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:965] UE4Editor_Core!FRunnableThreadWin::Run() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:86]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-121129 in the post.
| 7 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 4.26.2, 4.27 |
| Target Fix | 4.27.2 |
| Created | Aug 5, 2021 |
|---|---|
| Resolved | Sep 29, 2021 |
| Updated | Sep 29, 2021 |