Ethanfel/ComfyUI_UltimateSGUpscale
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db82775382e4504729700128c7858db98b07f2b5
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2 Commits

Author SHA1 Message Date
Ethanfel
db82775382 fix: add PreviewImage after Pass 1 for bypass support 
SaveImage was only connected to the seam fix output, so muting the
seam fix section produced no output at all. Added PreviewImage after
Pass 1's ImageMergeTileList so the user always sees the tiled redraw
result, even when the seam fix section is bypassed.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 16:10:45 +01:00
Ethanfel
2564377aa1 feat: initial ComfyUI_UltimateSGUpscale 
Recreates UltimateSDUpscale features using built-in ComfyUI nodes
(SplitImageToTileList, ImageMergeTileList) plus a small GenerateSeamMask
helper node.

- GenerateSeamMask: creates white-band mask at tile seam positions
- Workflow JSON: 22-node tiled upscale pipeline with:
  - Pass 1: model upscale + tiled img2img redraw
  - Pass 2: targeted seam fix using SetLatentNoiseMask
- Unit tests for seam mask generation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 15:52:32 +01:00