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Fixed in 2022.1.X

Planned for 2020.3.X, 2021.2.X

Votes

0

Found in

2020.3

2020.3.8f1

2021.1

2021.2

2022.1

Issue ID

1339862

Regression

No

Mesh memory footprint is larger than estimated when profiling with the Profiler API

Profiling

-

How to reproduce:
1. Open the attached project "MeshMemoryUsage"
2. Open the scene "SampleScene" and enter Play mode (Assets/Scenes/SampleScene.unity)
3. In the Game view, click the "Generate Mesh" button
4. Observe the _expectedTotalSize and _resultingSize values under the button

Expected result: _expectedTotalSize and _resultingSize display similar values
Actual result: _expectedTotalSize value is 2x smaller than _resultingSize

Reproducible with: 2020.3.22f1, 2021.1.28f1, 2021.2.1f1, 2022.1.0a3
Not reproducible with: 2022.1.0a4, 2022.1.0a14
Could not test with: 2019.4.32f1 (Script errors: 'Mesh' does not contain a definition for 'AllocateWritableMeshData', 'ApplyAndDisposeWritableMeshData', The name 'useDots' does not exist in the current context)

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Fixed in: 2022.1.0a4

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