Mathias Agopian 1b0db0fca2 fix a couple shadow stability bugs ...

- shadows are now stable (in stable mode) when an IBL rotation is
  used.

- fix the shadow transform option which didn't work when an IBL rotation
  was used

- also use the x-axis as a reference for the "up" direction when
  computing the light space matrix so that we don't fall into the
  degenerate case when the light points straight down, which is a
  common case

FIXES=[299310624]

2023-10-17 12:26:43 -07:00

27 KiB

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