When an image is encoded in YUV NV21 format, visual artefacts are visible on certain Android devices.

Steps to reproduce:
1) Open the attached project.
2) Set the Graphics API to OpenGL ES 3.0.
3) Build & Run on an Android device (Galaxy S7/S7Edge w/ Android 7).

The image is striped and discolored. This does not happen with OpenGL ES 2.0 and Vulkan. Not all devices reproduce this issue.

Reproduced on:
2018.1.0a1 (trunk as of 20/10/2017), 5.6.2f1

Devices:
Samsung Galaxy S7 (Global) 4x ARM Cortex-A53@1586 + 4x Samsung Exynos M1@2600 w/ Android 7.0 - reproduced
Samsung Galaxy S7 (Verizon) Qualcomm Kryo 2x@1593 + 2x@2150 w/ Android 7.0 - did not reproduce
LG G4 1.8GHz 2x ARM Cortex-A57 MPcore + 4x ARM Cortex-A53 MPcore w/ Android 6.0 - did not reproduce

The user was also able to reproduce this issue on a Samsung Galaxy S7 Edge Qualcomm Snapdragon 820 w/ Android 7.0