wangbo/ComfyUI
1
0
Fork 0
mirror of https://github.com/comfyanonymous/ComfyUI.git synced 2026-07-10 08:27:13 +08:00
Code Issues Actions 31 Packages Projects Releases Wiki Activity

Merge 611c728360 into b08debceca

Browse Source
This commit is contained in:
Alexander Piskun 2026-07-06 10:12:17 +03:00 committed by GitHub
commit d5d7652ad2
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
comfy_extras/nodes_images.py
View File

@ -891,10 +891,11 @@ def hlg_to_linear(t: torch.Tensor) -> torch.Tensor:
return torch.cat([hlg_to_linear(rgb), alpha], dim=-1) return torch.cat([hlg_to_linear(rgb), alpha], dim=-1)
# Piecewise: sqrt branch below 0.5, log branch above. # Piecewise: sqrt branch below 0.5, log branch above.
# Clamp inside the log branch so negative / out-of-range values don't blow up; # Clamp the log branch at the 0.5 branch point (not above it) so the
# unselected lane stays finite in exp() without altering selected values;
# values above 1.0 are allowed and extrapolate naturally. # values above 1.0 are allowed and extrapolate naturally.
low = (t ** 2) / 3.0 low = (t ** 2) / 3.0
high = (torch.exp((t.clamp(min=_HLG_C) - _HLG_C) / _HLG_A) + _HLG_B) / 12.0 high = (torch.exp((t.clamp(min=0.5) - _HLG_C) / _HLG_A) + _HLG_B) / 12.0
return torch.where(t <= 0.5, low, high) return torch.where(t <= 0.5, low, high)