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Fixed in Unity 2018.3



Found in


Issue ID




[Android 9] GL_INVALID_OPERATION thrown when texture.ReadPixels is called

Mobile Rendering



Priority: 3Not yet prioritized for a release


Severity: 2Core functionality majorly impacted

Steps to reproduce:
1. Open QA attached project*
2. Build and run on Android 9 device
3. Press 'Take Photo'
-- "OPENGL NATIVE PLUG-IN ERROR: GL_INVALID_OPERATION: Operation illegal in current state" thrown

Reproduced on: 2018.2.4f1, 2018.3.0a9

*Note: Project requires Vuforia support

Devices Under Testing
Reproduced on:
VLNQA00099, Google Pixel XL (Pixel XL), Android 9, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530

Not reproduced on:
VLNQA00153, Google Pixel XL (Pixel XL), Android 8.0.0, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530

Comments (2)

  1. E73a44229d4bfb777bf1346ab70482d3?d=mm


    Aug 22, 2018 15:11

    Confirmed, that seems to work for me as well. Thanks for the feedback :)

  2. A66f0f0d1afd79eb645d22ffe7b96139?d=mm


    Aug 21, 2018 22:58

    This is going to sound odd, but setting anti-aliasing to disabled in the graphics settings. This worked for us.

    OpenGLES 2.0, android 9 on Pixel and Pixel 2. Unity 2018.1.5

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