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Votes

0

Found in

2019.4

2020.3

2020.3.19f1

2021.1

2021.2

2022.1

Issue ID

1368661

Regression

No

Compute shader cannot compile when using for loops on a big static array

Customer QA Onboarding

-

Reproduction steps:
1. Open project "ComputeShaderLoop"
2. If you don't immediately see the errors, open Scripts/MeshGenerator and click "Show compiled code" in the Inspector

Expected result: No errors are shown and the script compiles
Actual result: These errors are shown and the script doesn't compile:
"Shader Compiler IPC Exception: Terminating shader compiler process"
"Shader compiler: Compile MeshGenerator.compute - MarchingCubes: Internal error communicating with the shader compiler process. Please report a bug including this shader and the editor log."
"Shader error in 'MeshGenerator': Compiling MarchingCubes: Internal error communicating with the shader compiler process. Please report a bug including this shader and the editor log."

Reproducible with: 2019.4.31f1, 2020.3.20f1, 2021.1.24f1, 2021.2.0b15, 2022.1.0a13

Notes:
- In the "MeshGenerator" script when uncommenting lines 316-328 and commenting out the for loop, the bug is not reproducible
- If the size of the "triTable" array is 254 or lower, the bug is not reproducible

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