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Fixed in 2018.3.X

Votes

0

Found in

2017.4.2f1

Issue ID

1030609

Regression

No

[Android] Assertion "(destWidth >= srcWidth && destHeight >= srcHeight)..." thrown when building with 32-bit, half ETC2 fallback

Mobile

-

How to reproduce:
1. Open attached "Assertion" project and "SampleScene", notice it contains default Tree prefab
2. Observe the console

Result: Assertion is thrown: "Assertion failed: Assertion failed on expression: '(destWidth >= srcWidth && destHeight >= srcHeight) || (downscale && (destWidth * 2 == srcWidth) && (destHeight * 2 == srcHeight))"

How to reproduce from scratch:
1. Delete Library folder from "Assertion" project
2. Open the project again, switch to Android platform, open "SampleScene", notice that assertion is not appearing anymore
3. Do a build for Android with ETC2 Fallback set to 32-bit, half resolution

Result: Notice that Assertions start appearing again, both after build or when changing scenes. Building with 32-bit or 16-bit ETC2 Fallbacks did not cause this issue.

Reproducible with - 2018.2.0b2, 2018.1.0f1, 2017.4.2f1, 2017.3.0a4

Note: The issue only happens when building/opening the scene that contains default Tree prefab
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Comments (1)

  1. tessellation

    Oct 09, 2018 23:40

    Can someone answer the question of whether this assert causes any problems in the builds with the ETC2 fallback at half resolution setting enabled? If no problems, fine, but if it prevents the fallback feature from working then I would request that the fix get migrated back to 2017.4 LTS

    Thanks!

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