Unity Issue Tracker - [OpenGL] Unity can only read 1 mipmap from ".KTX" textures when the texture was compressed using ETC

Fixed in 2019.2.X

Fixed in 2019.1.X

Votes

Found in

Issue ID

Regression

[OpenGL] Unity can only read 1 mipmap from ".KTX" textures when the texture was compressed using ETC

-

Jun 03, 2018

Reproduction steps:

1. Open "MinimalRepro.zip" project
2. Enter "SampleScene" scene
3. See the difference between the two Game Objects in the Game scene

Expected Result: The top Game Object should look like the bottom Game Object by default
Actual Result: The two Game Objets look different

Fixed in: 2019.2.0a1, 2019.1.0a14

Reproduced with: 2019.1.0a9, 2018.3.0a3, 2018.2.0b9, 2018.1.6f1, 2017.4.6f1, 2017.3.2f1, 2017.2.3p1, 2017.1.4p2

Note:
Adjust the "Metallness" value of the materials used, to better see the issue
Only reproduces on OpenGL
Only reproduces on Windows