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Fixed
Votes
0
Found in
2018.4
2020.2
2020.2.0a16
Issue ID
1264654
Regression
No
[URP] [BiRP] Incorrect reflection intensity when Cubemap Convolution Type is set to Specular
How to reproduce:
1. Open attached project "case1264654.zip" and scene "SampleScene"
2. Go to Window -> Rendering -> Lighting Settings
2. In the environment tab set Resolution field value to 128
3. Wait until Editor finishes baking scene
4. Observe the Scene view
Expected: Environment Reflections are generated from mip 0 even for default skybox shader
Actual: Environment Reflections "resolution" factor affects mip level that is sampled for generating environment reflections
Notes:
- Reproducible with: 2018.4.25f1, 2019.4.5f1, 2020.1.0f1, 2020.2.0a19, 2020.3.13f1
- Reproduces only in BiRP and URP
- Does not reproduce in HDRP
- The issue is most evident when Convolution Type is set to Specular. Other convolution types (Diffuse and None) are not affected
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Resolution Note:
as mentioned in a previous comment, this will be addressed as a feature gap:
https://jira.unity3d.com/browse/URP-1201
"URP needs to follow the same approach as HDRP: we need to write our own IBL shaders and stop relying on the builtin ones."