When deploying project to a mobile device, the quality of the baked lighting and shadows becomes very poor compared to "Mobile Preview." Lightmaps appear dirty and blurry, with splotches (As shown in attached screen shots).
Lightmaps texture size set to 1024.
PVRTC Compression Quality set to 4 (Max).
Licensee reports that the issue wasn't observed in 4.15, only after upgrading project to 4.18 and deploying to mobile device. Licensee tested on iPad Air 2, iPhone 7 Plus, and iPhone 6.
I tested the issue and confirmed this happens in 4.18.1 when deployed to iPhone 5s. I was unable to test in 4.16 or 4.17 due to "AppleARKit" error message on iPhone. Unable to rectify error.
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-52794 in the post.
1 |
Component | UE - Platform - Mobile |
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Affects Versions | 4.18 |
Target Fix | 4.19 |
Created | Nov 28, 2017 |
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Resolved | Jan 10, 2018 |
Updated | Sep 16, 2019 |