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Won't Fix
Votes
1
Found in
2020.3.35f1
2021.3.5f1
2022.2.0a17
2023.1.0a1
2023.2.0a1
Issue ID
UUM-1357
Regression
No
Texture exposure changes when Texture Type is set to Lightmap in the Texture Importer settings
How to reproduce:
1. Set Color Space = Linear (Project Settings > Player).
2. Import any EXR image.
3. In TextureImporter, Change Texture Type to Lightmap.
Expected result: Lightmap doesn't get darker
Actual result: Lightmap gets darker
Reproducible with: 2020.1.0a15, 2020.3.15f1, 2021.1.16f1, 2021.2.0b5, 2022.1.0a4, 2022.1.0a6
Not reproducible with: 2019.4.29f1, 2020.1.0a14
Affected formats:
- RGBA Compressed ASTC
- RGBA Compressed ETC2 8 bits
- RGBA Compressed ETC2 4 bits
- RGBA Compressed BC7
- RGBA Compressed DXT5|BC3
- RGBA Crunched ETC2
- RGBA Crunched DXT5|BC3
- RGBA 32 bit
- RGB 24 bit
Non-affected formats:
- ARGB 16 bit
- RGB 16 bit
- RGBA Compressed ASTC HDR
- RGB HDR Compressed BC6H
Notes:
- Reproducible with URP and built-in render pipeline
- Reproduces on Windows and macOS
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Resolution Note:
Apologies for not providing the documentation link. You are correct that the compressed texture formats which support HDR as so listed at https://docs.unity3d.com/ScriptReference/TextureFormat.html