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By Design
Votes
0
Found in
2018.3.14f1
Issue ID
1161751
Regression
No
[Android][GLES] Graphics.Blit() produces black screen when blitting on device with Mali-G76 and GLES as Gfx API
To reproduce:
1. Open attached project "BlitRepro.zip"
2. Build and run on Android device with GPU
Result: using shader results in black screen
Reproduced in: 2018.4.2f1, 2019.1.6f1, 2019.2.0b6, 2019.3.0a6
Note: does not reproduce on Vulkan, reproduces on GLES2 and GLES3
Reproduced with devices:
VLNQA00270, Samsung Galaxy S10e (SM-G970F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00267, Samsung Galaxy S10+ (SM-G975F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76
Not reproduced with devices:
VLNQA00122, Samsung Galaxy S9 (SM-G960F), Android 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00123, Google Pixel 2 XL (Pixel 2 XL), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00272, Samsung Galaxy S10+ (SM-G975U), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00006, Samsung Galaxy S7 (SM-G930F), Android 8.0.0, CPU: Exynos 8 Octa 8890, GPU: Mali-T880
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By design: Blit was not passing Ztest, shader needs "ZTest Always Cull Off ZWrite Off" to blit properly.