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[URP] Directionality artifacts are visible upon additively loading a scene

Global Illumination


To reproduce:
1. Create a new project using LWRP or URP template;
2. Uncheck "Auto Generate" in Lighting window, clean GI cache and baked data;
3. Bake lights in the Sample scene;
4. Add a New Scene to the Hierarchy.

Expected result: Sample scene is rendered correctly.
Actual result: Lights break after adding a new scene without baked lights.

Reproduced with: LWRP 6.9.0 (2019.2.21f1), URP 7.1.8, 7.2.0 (2019.3.1f1, 2020.1.0a23).

1. happens with Enlighten, Progressive GPU and Progressive CPU lightmappers.
2. only happens in Universal RP.
3. only happens when the first scene has Directional mode set to "Non-directional", the new scene has Directional mode set to "Directional" and the new scene is active.

Comments (2)

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