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Fixed in 2020.1.X

Fixed in 2019.2.X, 2019.3.X



Found in





Issue ID




Black textures are generated when creating a compressed texture asset with already existing name

Graphics - General


How to reproduce:
1. Open the SampleScene in the attached "case_1183953_repro" project
2. In the top menu bar click in TextureTest -> "Create new Compressed Texture"
3. Drag the appeared compressed Texture from a Project Window on a Cube GameObject in the Scene Window
4. Repeat steps 2 and 3 one more time

Expected results: Cube is red
Actual results: Cube is black

Reproducible with: 2019.2.0a6, 2019.2.7f2, 2019.3.0b4, 2020.1.0a5
Not reproducible with: 2018.4.9f1, 2019.2.0a4

Additional notes:
1. The texture was compressed using EditorUtility.CompressTexture() method
2. The compression format does not affect the outcome
3. Texture assets may be created successfully, but they will be displayed as black on the preview
4. After restarting the Editor, the Texture becomes red
5. On Unity ver. 2019.2.0a5, a project crashes when trying to put the compressed texture on a Cube
6. The project could not be tested on Unity 2017.4.32f1 and earlier due to missing "mipChain" parameter in the EditorUtility.CompressTexture() method

  1. Resolution Note (fix version 2020.1):

    This bug is fixed in 2020.1.0a20.2541, and the fix will be backported to 2019.3 and 2019.2.

  2. Resolution Note (fix version 2019.3):

    Bug has been fixed, EditorUtility.CompressTexture() now sets the data on the GPU correctly.

  3. Resolution Note (fix version 2019.2):

    Bug was not fixed in 2019.2

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