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Fixed in 2022.1.X

Fixed in 2020.3.X, 2021.1.X, 2021.2.X

Votes

0

Found in

2019.4

2020.3

2021.1

2021.2

2022.1

Issue ID

1348455

Regression

No

Unity Shader Compiler Task process have high CPU usage when installing HDRP package

Shader System

-

Reproduction steps:
1. Create new 3D project
2. Open Scene "SampleScene" from Project tab
3. Open your Task Manager
4. Open Package Manager from Windows > Package Manager
5. Install High Definition RP package
6. Observe CPU usage in Task Manager

Expected result: Shader Compiler process is used with low priority allowing User to still use other applications
Actual result: Shader Compiler process is used with normal priority not allowing User to still use other applications

Reproducible with: 7.6.0 (2019.4.29f1), 10.5.1 (2020.3.14f1), 11.0.0 (2021.15f1), 12.0.0 (2021.2.0b4, 2022.1.0a2)

Notes:
- Tested on Windows
- Shader Compiler Task will have high CPU usage for much longer when upgrading to an HDRP version after 10.5.1

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Fixed in: 2022.1.0a7

  2. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed on: 2021.2.0b12

  3. Response avatar

    Resolution Note (fix version 2021.1):

    Fixed on: 2021.1.21f1

  4. Response avatar

    Resolution Note (fix version 2020.3):

    Fixed in: 2020.3.19f1

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