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Fixed in 2020.2.X

Votes

0

Found in

2020.1.0b10

2020.1.6f1

2020.2

Issue ID

1279574

Regression

Yes

[MockHMD] Multi Pass Render Mode results in "Assertion failed on expression: 'IsMatrixValid(matrix)" errors in Play Mode

XR SDK

-

Reproduction steps:
1. Open user's attached project "RenderTextureWMR.zip" and scene "SampleScene"
2. Enter Play Mode
3. Observe Console window

Expected result: No errors
Actual result: "Assertion failed on expression: 'IsMatrixValid(matrix)" errors

Reproducible with: 1.1.3-preview.1 (2020.1.0b10, 2020.1.10f1, 2020.2.0a2)
Not reproducible with: 1.1.3-preview.1 (2019.4.13f1, 2020.1.0b9, 2020.2.0a3, 2020.2.0b8)
Could not test with: 2018.4.28f1 (MockHMD plugin unavailable)

  1. Resolution Note (fix version 2020.2):

    No longer reproduces with 2020.2.0a3, 2021.1.0a1

Comments (1)

  1. ShawnFeatherly

    Dec 20, 2021 19:07

    I encountered a similar bug in Unity 2021.2.6f1. Unity's fogbugz support helped me discover the issue was due to my GPU from 2014. The fix was to go to Edit > Project Settings > XR Plug-in Management > MockHMD and change the Render Mode to Multi Pass.

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