Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.


Distance Field shadows do not appear to be working with those using Radeon series cards.

Sample project attached

DXDiag of machine that is having the issue is attached.

AMD Radeon 200 series.
Driver: 15.20.1062.1004

Steps to Reproduce

If using attached project:

1. Must use Radeon GPU system
2. Open DF_Test project
3. Load test map.

Without attached project:
1. Open Blank Project
2. Enable mesh distance fields in the Project Settings > Rendering tab
3. In Default map Select the Directional Light
4. Change mobility to movable
5. Set Dynamic Shadow Distance MovableLight to 0.
6. Enable RayTraced DistanceField Shadows

Results: Directional Lights are not currently using Distance Fields for shadowing.

Expected: Distance Field shadows will work with all light types.

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.
CreatedAug 25, 2015
ResolvedJan 17, 2017
UpdatedApr 27, 2018