# ClusteredLighting breaks library materials

**URL:** <https://forum.babylonjs.com/t/clusteredlighting-breaks-library-materials/62214>\
**Category:** Bugs\
**Tags:** clustered-lighting\
**Created:** [January 24, 2026, 10:16pm UTC](https://forum.babylonjs.com/t/clusteredlighting-breaks-library-materials/62214 "2026-01-24T22:16:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Joe\_Kerr](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/joe_kerr/32/39017_2.png) [@Joe\_Kerr](https://forum.babylonjs.com/u/Joe_Kerr)\
**Post date:** [January 24, 2026, 10:16pm UTC](https://forum.babylonjs.com/t/clusteredlighting-breaks-library-materials/62214/1 "2026-01-24T22:16:58Z")

</div>

Hi everyone,

These materials break if clustered lighting is turned on (Error: FRAGMENT SHADER ERROR: 0:324: ‘vViewDepth’ : undeclared identifier):

- [Water](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/waterMat/): [https://playground.babylonjs.com/#1SLLOJ#4343](https://playground.babylonjs.com/#1SLLOJ#4343)
- [Lava](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/lavaMat/): [https://playground.babylonjs.com/#1BLVWO#388](https://playground.babylonjs.com/#1BLVWO#388)
- [Fur](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/furMat/): [https://playground.babylonjs.com/#2322Y7#163](https://playground.babylonjs.com/#2322Y7#163)
- [Terrain](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/terrainMat/): [https://playground.babylonjs.com/#E6OZX#1637](https://playground.babylonjs.com/#E6OZX#1637)
- [Tri-planar](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/triPlanarMat/): [https://playground.babylonjs.com/#E6OZX#1638](https://playground.babylonjs.com/#E6OZX#1638)
- [Gradient](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/gradientMat/): [https://playground.babylonjs.com/#2IFRKC#817](https://playground.babylonjs.com/#2IFRKC#817)
- [Cell shading](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/cellShadingMat/): [https://playground.babylonjs.com/#36VUUE#64](https://playground.babylonjs.com/#36VUUE#64)
- [Mix](https://doc.babylonjs.com/toolsAndResources/assetLibraries/materialsLibrary/mixMat/): [Babylon.js Playground](https://playground.babylonjs.com/#1DFTDT)

Best wishes  
Joe

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<div class="post-metadata">

**Author:** ![Evgeni\_Popov](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/evgeni_popov/32/4432_2.png) [@Evgeni\_Popov](https://forum.babylonjs.com/u/Evgeni_Popov)\
**Post date:** [January 26, 2026, 8:58am UTC](https://forum.babylonjs.com/t/clusteredlighting-breaks-library-materials/62214/2 "2026-01-26T08:58:30Z")

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Thanks for reporting, here’s the fix:

> <https://github.com/BabylonJS/Babylon.js/pull/17723>
>
> See https://forum.babylonjs.com/t/clusteredlighting-breaks-library-materials/622…14