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Fixed

Unknown (hidden) 2022.2.X

Votes

6

Found in

2022.2.0a9

Issue ID

UUM-914

Regression

Yes

[WebGL] Performance drops significantly when running build on fullscreen

-

Reproduction steps:
1. Open the user's attached project on WebGL
2. Build and run it
3. Enter fullscreen in the game and observe the framerate

Expected result: The scene does not have framerate issues
Actual result: The scene is lagging

Reproducible with: 2021.2.0b1, 2021.2.17f1, 2022.2.0a9
Not reproducible with: 2019.4.37f1, 2020.3.32f1, 2021.2.0a21

Note:
Seems to only reproduce on some machines/OS versions

  1. Resolution Note:

    Fixed by another internal issue: UUM-7962: [WebGL] context powerPreference should default to high-performance

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Comments (2)

  1. matt_cauldron

    Apr 02, 2022 06:34

    Also worth noting that this bug was initially found as a result of upgrading from 2020.3 to 2021.2 and so I'm seeing it as a performance regression between versions.

    It's interesting that the QA team found it started to reproduce between 2021.2.0a21 and 2021.2.0b1 which implies that the change is contained between those versions

  2. matt_cauldron

    Apr 02, 2022 06:28

    Related forum thread can be found at https://forum.unity.com/threads/performance-regression-2020-3-2021-2-60-30-fps.1226598/

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