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Votes
2
Found in
2020.3.39f1
2021.3.10f1
2022.1.16f1
2022.2.0b8
2023.1.0a10
Issue ID
UUM-14806
Regression
No
[URP] Second camera renders just a camera's background color when having two cameras with an “Uninitialized” background type
How to reproduce:
1. Build And Run the attached project on an iOS/Android device
2. Observe the view
Expected result: Black background, grey cube, and a pink/red image is visible
Actual result: Blue background (camera’s background) and a pink/red image is visible
Reproducible with: 10.10.0 (2020.3.39f1), 12.1.7 (2021.3.10f1), 13.1.8 (2022.1.16f1), 14.0.3 (2022.2.0b8), 15.0.1 (2023.1.0a10)
Reproduced on:
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS
VLNQA00392 - iPad (9th generation), 15.0 iOS
Notes:
- With some versions, it’s reproducible in the Standalone macOS Player
- Not reproducible in the Editor
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Resolution Note:
Users error: Scene contains two "Base" cameras with "Unintialized" background and the cameras priorities are reversed "Second camera" has priority -1, so it gets rendered first, and the "First camera" has priority 0, so it gets rendered last, "Base" cameras are not suppose to combine their output, and the "Uninitialized" background is undefined and vary by platform.
To properly combine multiple cameras rendering there has to be one "base" and others "overlay" cameras: https://docs.unity3d.com/Packages/com.unity.render-pipelines.universal@15.0/manual/cameras-advanced.html