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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

Package: Scriptable Render Pipeline Universal

-

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)

  1. 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.

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