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Won't Fix
Votes
0
Found in [Package]
2017.4
2018.4.0f1
2020.2
Issue ID
1217671
Regression
No
unity_LightColor getting wrong intensity of light when using vertex lights
Reproduction steps:
1. Open the user's attached project ("Lighting.zip")
2. Open any scene from "Assets/Fail" folder
3. Inspect the light blend in the scene
Expected result: Light intensity is set correctly
Actual result: Light intensity is set incorrectly; layered lights can be seen
Reproducible with: 2017.4.38f1, 2018.4.18f1, 2019.3.5f1, 2020.1.0b1, 2020.2.0a3
Note: From the repro project, these light setups do/do not work:
Working:
- 0 Directional 4 Point (Auto)
- 0 Directional 4 Point (Not Important)
- 1 Directional (Auto) 2 Point (Important) 2 Point (Not Important)
- 1 Directional (Auto) 4 Point (Important)
Not Working:
- 1 Directional (Auto) 2 Point (Auto)
- 1 Directional (Auto) 3 Point (Not Important)
- 1 Directional (Auto) 5 Point (Important)
- 1 Directional (Important) 2 Point (Important)
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Resolution Note:
Tested URP vertex lighting with stock URP shader and it works as expected. The port of the shader to URP seems to contain some issues causing lights evaluation to be wrong.