# GPU Lightmass not working on Landscape

**URL:** <https://forums.unrealengine.com/t/gpu-lightmass-not-working-on-landscape/1371174>\
**Category:** Rendering\
**Tags:** unreal-engine\
**Created:** [November 7, 2023, 4:27pm UTC](https://forums.unrealengine.com/t/gpu-lightmass-not-working-on-landscape/1371174 "2023-11-07T16:27:12Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\
**Post date:** [July 31, 2024, 1:11pm UTC](https://forums.unrealengine.com/t/gpu-lightmass-not-working-on-landscape/1371174/32 "2024-07-31T13:11:34Z")

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hi @michel.chafouin ,  
You better off moving this question to  
[Epic’s GPUlightmass - Development / Rendering - Epic Developer Community Forums (unrealengine.com)](https://forums.unrealengine.com/t/epics-gpulightmass/139357)

My real expertise is in  
[Luoshuang’s GPULightmass Unreal Engine 5.4.3 patch](https://forums.unrealengine.com/t/luoshuang-s-gpulightmass-unreal-engine-5-4-3-patch/1905932)

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