LIGHTMAP_RANGE
constLIGHTMAP_RANGE:8=8
Defined in: lightmap/bake.ts:222
The most an atlas texel holds, in units of a flat ambient of one. Stored as the
square root of its fraction, alpha opaque: eight plain bits stop at one, and a
scale in alpha does not survive a premultiplying decoder. bakedIrradiance reads it.