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Votes

1

Found in

2017.4.0a1

2018.3.0a1

2018.3.4f1

2019.2.0a1

2019.3.0a1

Issue ID

1145260

Regression

No

[Android][OpenGLES3] Compute shader compilation fails

Mobile

-

Steps to reproduce:
1. Open user attached project
2. Delete CompiledShaderNoEdge.shader
3. Build & Run to an Android device
4. Logcat the device
5. Observe the error in the logcat:
05-06 08:49:52.305 11605 11678 D Unity : -------- Shader compilation failed
05-06 08:49:52.305 11605 11678 D Unity : #version 310 es
05-06 08:49:52.305 11605 11678 D Unity : #extension GL_EXT_texture_buffer : require
05-06 08:49:52.305 11605 11678 D Unity : layout(binding=0, rgba32f) highp uniform image2D FacePositiveZ;
05-06 08:49:52.305 11605 11678 D Unity : layout(binding=1, rgba32f) highp uniform image2D FaceNegativeZ;
...

Expected result: Compute shader compilation should not fail on Android

Reproduced on: 2019.3.0a2, 2018.3.4f1, 2017.4.26f1 with OpenGLES3
No repro testing on Vulkan and Metal

Devices under test:
Reproduced:
VLNQA00230, Oneplus OnePlus6T (ONEPLUS A6013), Android 9, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00231, Huawei HUAWEI Mate 20 Pro (LYA-L29), Android 9, CPU: HiSilicon Kirin 980, GPU: Mali-G76
VLNQA00096, Samsung Galaxy S8 (SM-G950F), Android 8.0.0, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00121, Samsung Galaxy S9 (SM-G960F), Android 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
No repro:
VLNQA00111, Samsung Galaxy J5(2016) (SM-J510FN), Android 7.1.1, CPU: Snapdragon 410 MSM8916, GPU: Adreno (TM) 306 - DesaturationEffect.cs does not get initialized
iPhone 6, iOS: 10.3.3 - DesaturationEffect.cs does not get initialized

  1. Resolution Note (2019.3.X):

    https://www.khronos.org/registry/OpenGL/specs/es/3.1/GLSL_ES_Specification_3.10.pdf page 72: "Except for image variables qualified with the format qualifiers r32f, r32i, and r32ui, image variables must specify either memory qualifier readonly or the memory qualifier writeonly".
    Reading and writing simultaneously to other formats is not supported on OpenGL ES.

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