Is there a way i can build only volumetric light cache?

rise678487
Thu, 25 Mar 2021 09:45:34 +0000
Rendering

I have a very large consistent level contains many sub-levels, I used CPU for build lighting( r9 3950x) and it takes about 10h to finish but the result is not good as GPU (2070s) build with a half of time. But one drawback of GPU build lighting is VRAM limit, so i build sub level one by one with my GPU .When I combined sub-levels into consistent level, light cache just gone :((((. Does any know the way that i can rebuild only light cache in persistent level ? Many thank !!

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