Add lightmap to 1.7 spec and PBR material DOM#429

Merged

scpeters merged 5 commits intosdf10from

Dec 15, 2020

Commits on Dec 1, 2020

add lightmap spec and dom
iche033
committed

Commits on Dec 3, 2020

test with default uv set value
iche033
committed

Commits on Dec 15, 2020