Directional light triggers 'too many overlapping lights' error in forward shading

Rendering - Features Teams - Sep 24, 2019

The underlying reason seems to be that the stationary lights require SM channels for casting shadows  from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...

Camera Fade does not work when HDR is enabled

Rendering - Features Teams - Sep 24, 2019

This issue only occurs when HDR is enabled. If it is not HDR, Camera Fade will work. The setting of the sample project is switched by Level Blueprint.[Image Removed] ...

Sub Surface Shading Model has Strange Blotch Color Artifacts when Used with a Ambient Cubemap

Rendering - Features Teams - Sep 23, 2019

Sub surface shading model has strange blotch color artifacts when used with ambient cubemap. Since the subsurface profile shading model can't be used with ambient cubemap I wanted to use the regular ...

Virtual Texturing UDIM's Packing Incorrect

Rendering - Features Teams - Sep 17, 2019

In Content Browser Preview asset looks correct, but when opening and using texture. Only textures A and B are used instead of A,B, and C. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

Ghosting behind dither temporal AA with moving objects

Rendering - Features Teams - Sep 11, 2019

The Temporal console variable has the wrong value

Rendering - Features Teams - Aug 20, 2019

The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...

Texture Object Parameter Being Read Even If It Is Not Used In a Material

Rendering - Features Teams - Jul 17, 2019

Texture Object Parameter Being Read Even If It Is Not Used In a Material.  Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...

Unable to create derived classes of UPostProcessComponent

Rendering - Features Teams - Jul 5, 2019

Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...

Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material

Rendering - Features Teams - Jun 21, 2019

When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...