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Votes
9
Found in
5.3.1p3
Issue ID
763095
Regression
Yes
Directional light is lighter in 5.3+
Steps to reproduce:
1. Download attached project "Lighting Issue.zip"
2. Open it, and its only scene "Test", notice differences between versions (see attached screenshot "lights.png")
Actual result: Directional light produces much more light in 5.3+
Expected result: Uniform light between versions
Note: Also take a look at user submitted image to see the bug in bigger project (unitylighting_5-3p3.jpg)
Tested and reproduced on:
Windows 10
Unity 5.3.1p3, 5.4.0b3
NOT Reproducible:
Unity 5.1.4f1, 5.2.4p1
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thebarryman
Aug 24, 2016 22:34
Hi Nikos, I am also experiencing this issue and it is not at all addressed by toggling off GGX. Please look into providing an alternative solution ASAP!
Unity-Nikos
Mar 02, 2016 10:42
In Unity 5.3 Standard Shader, we have switched to GGX as the BRDF of choice for both analytical lights, such as point/directional light, but also for image based lighting. For more information please visit:
http://blogs.unity3d.com/2016/01/25/ggx-in-unity-5-3/