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Fixed in 2018.3.X

Fixed in 2019.1.X

Votes

224

Found in

2018.3.0b8

2018.3.0b9

2018.3.0b10

2019.1.0a9

Issue ID

1099125

Regression

Yes

[VR] Particle Systems cause "task.rasterData.indexBuffer == NULL" error and lead to graphical glitches

XR SDK

-

Steps to reproduce:
1. Create a new project
2. Enable VR
3. Create a particle system
4. Enter playmode and put it in your HMDs view
5. If error doesn't show, repeat Stop / Play of playmode again. (when doing this i can repro it with the MockHMD)

Result: "task.rasterData.indexBuffer == NULL" error in the console and potential graphical glitches

Reproduced on 2018.3.0b8, 2018.3.0b10, 2019.1.0a9
Not reproduced on 2018.2.16f1, 2018.3.0a1, 2018.3.0b7
Regression introduced in 2018.3.0b8

notes:
- Is known to also cause memory leaks

  1. Resolution Note (fix version 2018.3):

    The fix has now landed in our various release versions. 2019.2.0a4, 2019.1.0b2 (available approx 1st February), 2018.3.5f1 (available approx 6th February). Thank you for your patience.

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Comments (145)

  1. wey

    Jun 22, 2021 04:17

    still occurs at 2019.4.22f1

  2. Eyevi

    Apr 10, 2020 15:18

    Still have this error with a trailRenderer in Unity 2019.3.8f1 using universal pipeline...

  3. Shadowphax

    Apr 06, 2020 23:23

    Getting this in version 2020.1.0b4.3439

  4. Gaspedal

    Mar 29, 2020 00:16

    Still not fixed. I get this error with Unity 2019.3.5f1 too

    Assertion failed on expression: 'task.rasterData.vertexBuffer == NULL'
    UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

  5. cubeeey

    Mar 22, 2020 16:36

    if you still get this error try to go under project settings < script execution order and set the script that you last wrote /that you think might causes the issue in there after default time and set it to 100 ... i think it has something to do with unity calling a script earlier than the others and this is causing an issue

  6. Steven-1

    Mar 21, 2020 11:02

    I have updated my project from 2018.3 to 2019.3, and since then I have this issue.

  7. quick1brahim

    Apr 08, 2019 03:16

    This is 5000% better after the update. My memory consumption went from 10.3GB in the profiler (for a single particle system) to 200MB after update. Thanks!

  8. SuppleTeets

    Feb 11, 2019 23:26

    Rejoice!

  9. bigfoott

    Feb 08, 2019 20:40

    Sweet, thanks again @RICHARDKETTLEWELL

  10. richardkettlewell

    Feb 08, 2019 16:24

    Oh yes you're right I think it's out, as https://unity3d.com/unity/whats-new/2018.3.5 is also now live!

    Look at that beautiful release notes entry...

    "Particles: Fixed particle systems causing graphical glitches and error messages. (1099125, 1116662)"

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