Unreal Engine Issues
Unreal Engine Issues
FGeometryCacheSceneProxy crashes engine when rendering through command prompt
UE - Editor - Content Pipeline - USD - Aug 23, 2021Came across this bug when verifying [Link Removed]. Seems there was a different crash reason. When testing, this bugs seems to happen only half the time while the other half it succeeds without issu ...
Sometimes when Sequencer window refreshes the mute property on tracks are toggled
UE - Anim - Sequencer - Aug 23, 2021Issue was noticed by Grayson in For.tnite/Main. Regression: No this occurred similarly in 4.27 still not 100% repro but some modification in sequence triggered toggling the mute track ...
RGB/UINT10 HDR Format not using ST.2084
UE - Rendering Architecture - RHI - Aug 23, 2021Specification here: [Link Removed] Which is mirrored in engine in FD3D12DynamicRHI::Init (for example): [Image Removed] However, FWindowsPlatformMisc::ChooseHDRDeviceAndColorGamut always returns ...
Evaluate WPO for Foliage(HISM) is based on Local Space？
UE - Graphics Features - Lumen - Aug 21, 2021Play as Client in Editor doesn't work when Play in VR
UE - Platform - XR - Aug 21, 2021Images Rendered by Movie Render Queue don't match the looking in viewport if After Tonemapping PP was applied
UE - Virtual Production - Rendering - Color - Aug 21, 2021This might be a bug or by design which needs to be handle by certain pipeline (OCIO?), but it's quite confuse that such big difference compare the images rendered by MRQ to those seen in Editor view ...
Images Rendered out by Movie Render Queue has much more visible Banding issue in gradient
UE - Virtual Production - Rendering - Color - Aug 21, 2021I did some experiment locally. At very first I thought it's the image compression issue, since the issue is also obvious while rendered out images as JPG and PNG, there's no image compression qualit ...
Curve interpolation settings are forced to change from User to Break when importing animation from FBX in Sequencer
UE - Anim - Sequencer - Aug 20, 2021Due to the following code in [Link Removed] (CL-11585172), it is always set to Break even if the Tangent value is continuous. ArriveTangent = LeftTangent * (ArriveTimeDiff); ... LeaveTangent = Ri ...
Tangent is divided twice by Decimal Rate when importing animation from FBX in Sequencer
UE - Anim - Sequencer - Aug 20, 2021The cause is that the ImportFBXProperty in MovieSceneToolHelpers.cpp is divided by DecimalRate. ArriveTangent = ArriveTangent / ((Key.Time - PrevKey.Time) * DecimalRate); LeaveTangent = LeaveTange ...