Files
photocraft/crates/codecs/src
a0e9ee213d Cryptomatte: decode the .blue/.alpha rank of every channel set (#4208) (#4209)
Each Cryptomatte RGBA set stores two (ID, coverage) ranks, (red, green)
and (blue, alpha), but only red/green were read, so every second rank
was lost and mattes got holes at edges and overlaps. Suffixes were also
matched case-sensitively, missing Blender's .R/.G/.B/.A.

Stream channels now carry a rank (0 red/green, 1 blue/alpha), suffixes
match in any case, and decode stores each channel at slot*2+rank
(bounds-checked), still sorted by coverage. The allocation check counts
four channels per set.

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-12 21:17:41 -04:00
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