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By Design

Votes

7

Found in

2021.3.2f1

2022.1.1f1

2022.2.0a12

Issue ID

UUM-9590

Regression

No

[URP] ShaderKeywords '_MAIN_LIGHT_SHADOWS' and '_ADDITIONAL_LIGHT_SHADOWS' are always enabled in the Editor

-

ShaderKeywords '_MAIN_LIGHT_SHADOWS' and '_ADDITIONAL_LIGHT_SHADOWS' are enabled in the Editor when the 'Main Light' and 'Additional Lights' are disabled in the Universal Render Pipeline Asset

Reproduction steps:
1. Open the attached 'URP_EditorKeywordBug' project
2. Open the 'SampleScene'
3. Go to the 'Window -> Analysis -> Frame Debugger' and toggle the 'Enable' button on
4. Select the 'Draw Opaque Objects' draw call

Expected result: '_MAIN_LIGHT_SHADOWS' and '_ADDITIONAL_LIGHT_SHADOWS' ShaderKeywords are disabled
Actual result: ShaderKeywords '_MAIN_LIGHT_SHADOWS' and '_ADDITIONAL_LIGHT_SHADOWS' are present

Reproducible with: 12.1.6 (2021.3.2f1), 13.1.8 (2022.1.1f1), 14.0.2 (2022.2.0a12)
Could not test with: 2019.4.39f1, 2020.3.34f1 (no 'Draw Opaque Objects' draw call)

Note:
- Issue is not reproducible in builds

  1. Resolution Note:

    This is by design. To reduce the amount of variants to process when making builds, URP strips out the "off"variant for main and additional light shadows, the behaviour in the editor mimics that.

    Work is planned to improve shadows in URP and this behaviour will be reevaluated.

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Comments (2)

  1. unity_F74167AD32862B410F49

    Jan 18, 2023 09:43

    So this means that you can't test what your game looks like in editor with main light shadows disabled, nor any shaders that change when the main light shadow is disabled.

    You'd need to make a build everytime, which for larger games is very annoying.

  2. pmerilainen

    Nov 04, 2022 08:36

    This seems to happen also in deployed Android builds using Vulkan

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