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Duplicate

Duplicate in 2019.3.X

Votes

0

Found in

2019.1.0a14

2019.3

2019.3.2f1

2020.1

2020.2

Issue ID

1222644

Regression

Yes

Lightmap produced using a Progressive GPU lightmapper is darker compared to the Progressive CPU lightmap

Progressive Lightmapper

-

How to reproduce:
1. Open the attached project named "Case_1222644"
2. Open the "intro_ext" Scene
3. In the Lighting window select the Progressive CPU lightmapper
4. Bake the Scene's lighting
5. Switch the lightmapper to the progressive GPU
6. Bake the Scene's lighting again
7. Observe the Game view

Expected result: The Scene's lighting appear the same when CPU and GPU lightmappers are used
Actual result: The Scene's lighting appears darker when a GPU lightmapper is used

Reproducible with: 2019.1.0a14, 2019.3.4f1, 2020.1.0a26, 2020.2.0a2
Not reproducible with: 2018.4.18f1
Could not test with: 2019.1.0a1, 2019.1.0a13(Check the notes below)

Notes:
1. When trying to bake using the GPU light mapper in 2019.1.0a13 or below the following error is thrown and the baking process would hang indefinitely:
OpenCL Error. Falling back to CPU light mapper. Error callback from context: CL_INVALID_PROGRAM

  1. This is a duplicate of issue #1206157

    [GPU PLM] GPU baking does not match CPU

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