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Votes

0

Found in

2019.4

2020.3

2021.1

2021.2

2021.2.0b2

Issue ID

1348737

Regression

No

[Android]SystemInfo.supportsTessellationShaders is false on some devices when using Vulkan

Vulkan

-

Steps to reproduce:
1. Open the user's attached project "TessellationNotSupportPixelIssue-2021.2.zip"
2. Build it to Android

Expected results: In the opened app a text is displayed "supportTessellationShader=true"
Actual results: In the opened app a text is displayed "supportTessellationShader=false"

Reproducible with: 2019.4.28f1, 2020.3.14f1, 2021.1.15f1, 2021.2.0b4, 2022.1.0a2

Reproducible devices:
VLNQA00313, Huawei Y6 Ⅱ Compact (HUAWEI LYO-L01), Android 5.1, CPU: MediaTek MT6735, GPU: Mali-T720
VLNQA00380, Xiaomi MI 8 Lite (MI 8 Lite), Android 9, CPU: Snapdragon 660, GPU: Adreno (TM) 512
VLNQA00099, Google Pixel XL (Pixel XL), Android 10, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530
Razer Phone Android 8.1.0

Not Reproducible devices:
VLNQA00189 iPhone SE 11.4.1 Dual-core 1.84 GHz Twister PowerVR GT7600 (six-core graphics)
VLNQA00277, Asus ROG Phone, Android: 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00006, Samsung Galaxy S7, Android: 8.0.0, CPU: Exynos 8 Octa 8890, GPU: Mali-T880
VLNQA00121, Samsung Galaxy S9, Android: 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00294, OPPO RENO Z 中国版 (PCDM10), ANDROID 9, CPU: MEDIATEK MT6779 HELIO P90, GPU: POWERVR ROGUE GM9446
VLNQA00335, SAMSUNG GALAXY S20 5G (SM-G986B), ANDROID 10, CPU: EXYNOS 990, GPU: MALI-G77
VLNQA00286, MEIZU - (PRO 5), ANDROID 7.0, CPU: EXYNOS 7 OCTA 7420, GPU: MALI-T760
VLNQA00381, Xiaomi Redmi Note 8 Pro (Redmi Note 8 Pro), Android 9, CPU: MediaTek Helios G90T MT6785T, GPU: Mali-G76 MC4
VLNQA00052, Xiaomi MI MAX (MI MAX), Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510

  1. Resolution Note:

    Tessellation is an optional feature in Vulkan and older Vulkan implementations on mobile don't support it.

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