A licensee has reported that they are unable to use an emissive material utilizing the SkyAtmosphereLightIlluminance material expression together with Nanite and Lumen. The linked UDN has some more details on the test setup and findings of the licensee
1. Open the attached test project (Can be found in linked UDN)
2. Turn on the Lumen Scene visualization (r.Lumen.Visualize 4)
3. Observe emissive light contributions coming from the emissive plane
4. Enable Nanite support on the mesh of the emissive plane
5. Observe that no emissive contributions are coming from the plane
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-237450 in the post.
| 0 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 5.6 |
| Target Fix | 5.6 |
| Fix Commit | 39791338 |
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| Created | Jan 9, 2025 |
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| Resolved | Feb 6, 2025 |
| Updated | Feb 10, 2025 |