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By Design
Votes
0
Found in
2018.2.13f1
Issue ID
1126661
Regression
No
Shader errors produce graphics artifacts on Android build when texture is compressed using ETC1 (split alpha channel)
Texture compression: RGB Compressed ETC 4 bits
shader: Default UI Material
To reproduce:
1. Open attached project "alpha ETC1.zip"
2. Build for Android
3. Observe leftmost Sprite (tap the sprite to see the shader error)
Result: texture is seen as pink shader
Reproduced in: 2017.4.20f1, 2018.3.11f1, 2019.1.0b9, 2019.2.0a10
Note: reproduced on both Mali/Adreno devices:
VLNQA00178, Xiaomi Redmi Note 4 (Redmi Note 4), Android 6.0, CPU: MediaTek Helio X20 MT6797M, GPU: Mali-T880
VLNQA00015, Samsung Galaxy Note8 (SM-N950W), Android 8.0.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00024, Xiaomi Mi 5 (MI 5), Android 7.0, CPU: Snapdragon 820 MSM8996, GPU: Adreno (TM) 530
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Resolution Note:
The project has custom graphics settings that doesn't include "UI/UI-DefaultETC1.shader" in the "Always included shaders" field. Adding it there or removing GraphicsSettings.asset from ProjectSettings folder fixes the issue.