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Duplicate

Votes

0

Found in

2020.2

2020.2.0b2

2021.1.0b1

Issue ID

1293119

Regression

No

[Vulkan][Qualcomm 855] Mipmaps of the Render Texture are wrote to incorrect areas of a Texture.

Texture

-

Steps to
1. Open the attached project "vulkan-rt-mipmaps-repro.zip"
2. Build it for Android
3. Open the app

Expected results: A cube is rendered
Actual results: Only a corner of the cube is rendered

Reproducible with: 2020.2.1f1(10.2.2), 2021.1.0b1(10.2.2)
Unable to reproduce with: 2018.4.30f1, 2019.4.17f1 due to shader graph in this version doesn't have specific functions

Reproducible devices:
VLNQA00279, Samsung Galaxy S10+ (SM-G975U), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00339, Lge LG V50 ThinQ 5G (LM-V500N), Android 10, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640

Devices that did not reproduce:
VLNQA00264, Samsung Galaxy S10+ (SM-G975F), Android 10, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00189 iPhone SE 11.4.1 Dual-core 1.84 GHz Twister PowerVR GT7600 (six-core graphics)
VLNQA00316, Samsung Galaxy Note10 (SM-N970F), Android 9, CPU: Exynos 9 Series 9825, GPU: Mali-G76
VLNQA00024, Xiaomi Mi 5 (MI 5), Android 7.0, CPU: Snapdragon 820 MSM8996, GPU: Adreno (TM) 530
N/A, Samsung Galaxy S9 (SM-G960F), Android 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72

Note:
-Does not reproduce with windows Standalone
-Does not reproduce with MacOS or IOS

  1. This is a duplicate of issue #1159644

    [Vulkan] Adreno 630/640 generates corrupted mipmaps when height of the texture is power of 2 + 1

  1. Resolution Note:

    This is hits a known driver Adreno Vulkan driver bug.
    There are no good workaround other than not use textures of size 2^n+1 with mip maps

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