Unreal Engine Issues
Unreal Engine Issues
Performance Regression in Forward Rendering with most settings off.
UE - Rendering Architecture - RHI - Mar 12, 2020When rendering with forward rendering, the ComposeSeparateTranslucency call is called even when separate translucency is not enabled. Additionally, Downsample.HalfResolutionSceenColor gets called ev ...
Draw Brush Polys is not displayed when Separate Translucency is enabled
UE - Rendering Architecture - RHI - Mar 9, 2020This is working properly in 4.21.2 ...
[CrashReport] UE4Editor-Engine!FMaterialShaderMap::ProcessCompilationResults(TArray<FShaderCommonCompileJob *,TSizedDefaultAllocator<32>
UE - Rendering Architecture - RHI - Feb 21, 2020Generated from CrashReporter ErrorMessage: Assertion failed: Shader [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/Materials/MaterialShader.cpp] [Line: 1811] Comments: Compile ...
D3D12RHI crash using laptops internal display
UE - Rendering Architecture - RHI - Feb 17, 2020Running the engine with DX12 enabled on MSI GS75 Stealth 9SF results in a D3D crash when using the internal display on the laptop. *Note: Unable to reproduce the crash. The user receiving the cra ...
Spline mesh actor + Vulkan RHI, rendering artifacts
UE - Rendering Architecture - RHI - Feb 7, 2020Rendering 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 11 ...
Shader compiler errors when using enclosed local variables in a material while ray tracing is enabled
UE - Rendering Architecture - RHI - Jan 23, 2020A licensee is seeing an issue with a couple of post process materials after enabling ray tracing. While the materials presenting the issue fail to compile for different reasons, they both refernce t ...
Materials using the Tessellation mode 'PN Triangles' cause objects to incorrectly render in Wireframe view mode when selected
UE - Rendering Architecture - RHI - Jan 21, 2020Creating a material that has it's tessellation mode set to "PN Triangles" and assigning it to an object results in the objects geometry to not properly display in Wireframe view mode. Tested i ...
SSGI doesn't function properly using Vulkan
UE - Rendering Architecture - RHI - Jan 20, 2020Screen Space Global Illumination appears really dark when using the Vulkan RHI on Windows and Linux. This behavior is also present in a Shipping build. This was reported and tested on 4.24.1 (CL-1 ...
Linking Error Happens When Trying to Inherit From TextureRenderTarget2D in C++
UE - Rendering Architecture - RHI - Jan 16, 2020The engine has a linker error when trying to inherit from TextureRenderTarget2D. This seems related to https://jira.it.epicgames.net/browse/UE-5050. Found in 4.24.1 CL#10757647 Reproduced in 4.23 ...
[Feature Request] Allow include files to be added in custom nodes via separate entry
UE - Rendering Architecture - RHI - Jan 10, 2020Suggested feature by a licensee and there have been a few use cases recently we've seen. [Link Removed] for vis ...