Godot 4.0 will get a new, modernized lightmapper
Mircosoft Game Dev
MAY 8, 2020
The new lightmapper is GPU based written mostly on Compute shaders (meaning it does most of the heavy lifting using the GPU, via Vulkan). Most scenes bake in seconds instead of minutes or hours. Efficiently packs all texture objects in the lightmap to a texture array, to avoid state or material changes during rendering.
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