Files
lightcraft/crates/develop
akvaithiandClaude Opus 5.5 791526aa8c LR-HDR-EDIT: HDR settings, HDR tone map and the float HDR render
- `DevelopSettings.hdr`: enabled, headroom limit (`max_ev`) and SDR-rendition
  offsets (brightness, contrast, highlights, shadows, whites, clarity), with
  control specs (`hdr.maxEv`, `hdr.sdr*`) and copied with the Light group.
- `ToneMap::hdr` / `display_hdr`: the SDR curve through the midtones, with
  highlights lifted up to `2^max_ev`; identical to the SDR tables at peak 1.
- `OutputDepth::F32Hdr`: unclamped linear output up to the peak. The finish
  stage carries the peak through highlight desaturation, gamut mapping,
  encoding, curves, grain and LUT profiles; with HDR off every branch is the
  SDR code path, bit for bit.
- `settings_for`: every non-HDR render (CPU and GPU) uses the SDR rendition.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-09 22:00:54 -05:00
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