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Won't Fix
Votes
0
Found in
2017.3.1f1
Issue ID
1038448
Regression
No
[Android] Alpha8 texture format use 4 times more memory capacity on Mali gpu
Steps to reproduce:
1. Open user attached project
2. Build and run on an Android device with Mali GPU
3. Observe that memory capacity is larger than on other GPUs
Reproduced in: 2018.3.0a1, 2018.2.0b4, 2018.1.2f1, 2017.3.1p1, 2017.2.3f1, 2017.1.4f1
Occurs with:
Samsung Galaxy S8 Mali-G71, OS 8.0
Samsung Galaxy S5 Mali-T720, OS 6.0
Does not occur with:
Sony Xperia Z2 Adreno 330, OS 6.0
Meizu PowerVR Rogue G6200, OS 5.0
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Resolution Note (2018.3.X):
On OpenGL ES 3 and higher there is no Alpha8 texture format. We use two extensions to provide the same functionality. One of those extensions (GL_EXT_texture_swizzle) doesn't work correctly on some drivers on Mali GPUs (see https://issuetracker.unity3d.com/issues/es3-dot-0-slash-3-dot-1-when-using-an-alpha-8-image-as-an-alpha-mask-on-android-6-dot-x-devices-with-mali-the-mask-doesnt-work).