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Allow passing firstpass_image to txt2img API

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This change allows passing in a base64 encoded image string to the
`/sdapi/v1/txt2img` endpoint via the `firstpass_image` parameter.

Can be useful when applications utilizing the API generate an initial
image and then need that image upscaled using HiRes Fix - by replaying
the request alongside the `firstpass_image` parameter with the base64
image returned by the original request, it bypasses the need to
regenerate the original image since it has already been passed in.

At least, that seems to be the original intent of this parameter (and
works great with this change).
This commit is contained in:
Russell Richardson 2025-03-12 08:16:23 -04:00
parent 374bb6cc38
commit 140f5ad4c3
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1 changed files with 2 additions and 0 deletions
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modules/api/api.py
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@ -470,6 +470,8 @@ class Api:
p.scripts = script_runner p.scripts = script_runner
p.outpath_grids = opts.outdir_txt2img_grids p.outpath_grids = opts.outdir_txt2img_grids
p.outpath_samples = opts.outdir_txt2img_samples p.outpath_samples = opts.outdir_txt2img_samples
if p.firstpass_image is not None:
p.firstpass_image = decode_base64_to_image(p.firstpass_image)
try: try:
shared.state.begin(job="scripts_txt2img") shared.state.begin(job="scripts_txt2img")