Unity Issue Tracker - Block compression leads to lightbaking artifacts in HDRP
Closed
UUM-74735
Block compression leads to lightbaking artifacts in HDRP
Unity: Lighting
Won't Fix
6.0.X
Make the lightmap post-processing more resilient when using BCH6 block compression on HDR lightmaps.
Reproduction steps:
1. Open the “ReproProject“ project
2. Open the “Assets/Investments/01_Motivo_OnlyBathroom/Apartments/1-A-6-15“ scene
3. Open the Lighting window (Window > Rendering > Lighting)
4. Press the “Generate Lighting” button in the Lighting window
5. Observe the Scene View
Expected result: There are no Lightmap artifacts
Actual result: There are Lightmap artifacts on the joints between the floor and the wall
Reproducible with: 2023.1.0a21, 6000.0.8f1
Not reproducible with: 2021.3.40f1, 2022.3.35f1
Couldn’t test with: 2023.1.0a1, 2023.1.0a20
Reproducible on: Windows 11 Pro (22H2)
Not reproducible on: No other environment tested
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