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[Android] RG and R Compressed EAC formats are not available when overriding normal map textures for Android

Graphics - General


To reproduce:
1. Open any project containing normal texture (or import user's - "body_01_NRM.tga" )
2. In project window, select the normal texture
3. In Inspector window, override it for android and select "RG Compressed EAC 8bit" from format dropdown

Expected: format is available for selection
Actual: RG and R formats are missing from context menu

Reproduced in: 2017.4.20f1, 2018.3.0a1, 2018.3.5f1, 2019.1.0b3, 2019.2.0a4
Not reproduced in: 2018.2.20f

Note: also not reproduced on earlier LTS releases. Asuming that formats were not implemented at that time

  1. Response avatar

    Resolution Note (fix version 2019.2):

    We use a normal map encoding that needs 3 components (UNITY_NO_DXT5nm in shader)

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