ir3: Clarify what's happening in the interpolateAtOffset() math.
authorEmma Anholt <emma@anholt.net>
Tue, 5 Jul 2022 17:15:07 +0000 (10:15 -0700)
committerMarge Bot <emma+marge@anholt.net>
Mon, 11 Jul 2022 16:56:05 +0000 (16:56 +0000)
commitc5eb7ef246d6a38cb0502657a97d92cc38fc0762
tree67c729c566aeebbd363f07255265ab8f178d54aa
parent240a98297dc97f5f252b8cd9c30c6e727b93a1be
ir3: Clarify what's happening in the interpolateAtOffset() math.

nir_builder lets us build much cleaner code than we had (assuming that we
get a scalarizing after this).

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17322>
src/freedreno/ir3/ir3_nir_lower_load_barycentric_at_offset.c