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goldeneye-pc-port/docs/dev
James Dansereau 9b0acccd1d D229: fix green/pulsating IsWater water -- fast3d wasn't expanding CI8 indices
texSelect loads the water image as ZLIB+CI8 (raw 8-bit palette indices);
GE's custom RSP ucode expands them to RGBA16 in TMEM at load time, so a
later RGBA/16b tile re-declaration over the same slot samples real blue
pixels. fast3d has no such expansion and read the raw index byte-pairs as
16-bit texels (g dominates -> green mottle); the "pulsing" was always the
pre-existing PRIM_LOD_FRAC sinf() cross-fade between two mis-decoded tiles.

Track each TMEM load's source G_IM_FMT in LoadedTexture.src_fmt; in
import_texture, an RGBA/16b tile over a CI-sourced slot now routes through
the CI8 palette import path instead. Fires only on the genuine format
disagreement, so real RGBA16 textures are untouched.

Verified live on Frigate (-level_26): water renders blue, user confirms
"looks better". Sweep + Surface 2 by-eye still owed.

Also files D245 (water seam), D246 (edge strips), D247 (black bars) from
the same playtest session.

Claude-Session: https://claude.ai/code/session_016DQUKGLZxFtPy52MkKXXog
2026-09-12 20:16:45 -04:00
..
2026-09-01 19:28:59 -04:00