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Fixed in 2019.2.X

Votes

1

Found in

2017.4.0f1

2018.3.0a1

2018.3.3f1

2019.1.0a1

2019.2.0a1

Issue ID

1121652

Regression

No

[WebGL] Build stalls on load and periodically freezes for multiple seconds when GPU Instancing is enabled on a Material

WebGL

-

How to reproduce:
1. Open the user's project
2. Build project with scene "MainScene" for WebGL
3. Run program in a browser and observe stalls

Expected result: the scene is shown immediately after the "Made with Unity" screen. The 3D grid of cubes spins smoothly in view at all times
Actual result: the "Made with Unity" screen is followed by a long stall (~10 seconds) before the scene is shown. The 3D grid of cubes periodically freezes while spinning

Reproducible with: 2017.4.19f1, 2018.3.4f1, 2019.1.0b2, 2019.2.0a3 (only on Google Chrome and Mozilla Firefox)

Note: the issue does not reproduce on Microsoft Edge. Also, the periodic freezing at runtime stops after ~5-10 seconds in the repro project

  1. Resolution Note (fix version 2019.2):

    This is a bug in browsers (Angle): https://bugs.chromium.org/p/angleproject/issues/detail?id=2967
    Google and other contributors are working on the fix.

Comments (1)

  1. JRock2424

    Oct 07, 2020 21:09

    We are still seeing this issue in 2019.4.8.f1 in both Chrome and Firefox

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