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Fixed

Fixed in 2022.3.5f1, 2023.1.5f1, 2023.2.0a7

Votes

2

Found in

2022.2.5f1

2023.1.0b2

2023.2.0a6

Issue ID

UUM-25481

Regression

Yes

Crash on GenerateTextureAndSpriteRectDataFromAtlasMask when clicking "Pack Preview" after packing an Asset into Sprite Atlas

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Reproduction steps:
1. Open the attached project “Atlas Bug.zip“
2. In the Project window select the “New Sprite Atlas“ Sprite Atlas
3. In the Inspector add the “pistol_ico“ Asset to the “Objects for Packing” list
4. Click “Pack Preview“

Expected result: The Asset Preview window is shown without the Editor crashing
Actual result: The Editor crashes

Reproducible with: 2022.1.0a15, 2022.2.5f1, 2023.1.0b2
Not reproducible with: 2020.3.44f1, 2021.3.18f1, 2022.1.0a14

Reproduced on: Windows 10 Pro

First few lines of the stack trace:
{{0x00007ff78c42709a (Unity) GenerateTextureAndSpriteRectDataFromAtlasMask }}
{{0x00007ff78c414d19 (Unity) PackAtlases }}
{{0x00007ff78c413ee1 (Unity) PackAtlasOnJob }}
{{0x00007ff78c4182c2 (Unity) PackSpriteAtlases }}
{{0x00007ff78b05c16d (Unity) SpriteAtlasUtility_CUSTOM_PackAtlasesInternal}}
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Comments (1)

  1. CaseyHofland

    May 05, 2023 07:19

    If this causes you to be unable to open the editor:

    Step 1:
    Find your project on disk and open ProjectSettings > EditorSettings.asset. Find the following line and change the number to something else (I used 2).

    "m_SpritePackerMode: 5"

    https://forum.unity.com/threads/solved-generatetextureandspriterectdatafromatlasmask.1433092/

    Step 2:
    Upvote this issue to be fixed in older Unity versions, since your project can't use the Sprite Packer now until it does.

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