VR Division shared a detailed tutorial on how to work with the new GPU Lightmass in UE 4.26.
The tutorial includes:
TLDR overview and how to enable it and virtual texturing to work in real-time.
Working on post-processing settings in virtual texturing.
Changing lighting resolutions.
Building lights.
Reviewing bakes.
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To understand the lighting process better, check out the tutorial series on lighting processes in UE4.
