When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with Stationary Lights

Rendering - Apr 26, 2019

When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with static lighting. Working as expe ...

Editor crashes when adding a parameter to a material when using Forward Shading and DX12

Rendering - Apr 24, 2019

Setting the default RHI for Windows to DX12 and enabling Forward Shading results in a crash when adding a texture sample parameter to a material. Found in 4.22 CL# 5660361 and 4.23 CL# 6074473 Wor ...

HISM Rotated Instance is Culled Whenever its Pivot Moves Out of Camera View

Rendering - Apr 23, 2019

HISM rotated instance is culled whenever its pivot moves out of camera view.  Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6037269 ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

Rendering - Apr 22, 2019

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Planar Reflections Falling Back to Baked Probes at Certain Angles

Rendering - Apr 18, 2019

Planar Reflections Falling Back to Baked Probes at Certain Angles. Found in 4.21 CL# 4753647,  4.22 CL# 5660361, 4.23 CL# 5974510 Working as expected in 4.20 CL# 4369336 This is a regression ...

Bloated instruction counts in the material editor causing long compiles

Rendering - Apr 17, 2019

artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

Rendering - Apr 16, 2019

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...

Shadows are Heavily Aliased with PCSS Enabled

Rendering - Apr 11, 2019

Shadows are exetremely rough and aliased if r.shadow.FilterMethod is set to 1.  Working as expected in 4.21 CL# 4753647  Found in 4.22 CL# 5660361 and 4.23 CL# 5810496 ...

Editor crashes when connecting Eye Adaptation to Base Color

Rendering - Apr 11, 2019

This problem occurs when we use the Eye Adaptation node for calculations. Also, it does not seem to happen in 4.21. ...