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sdnext/modules/control/tile.py
Vladimir Mandic 338129b7c1 calculate vae-scale-factor and use everywhere
Signed-off-by: Vladimir Mandic <mandic00@live.com>
2025-08-09 11:31:13 -04:00

75 lines
3.6 KiB
Python

import time
from PIL import Image
from modules import shared, processing, images, sd_models, sd_vae
def get_tile(image: Image.Image, x: int, y: int, sx: int, sy: int) -> Image.Image:
return image.crop((
(x + 0) * image.width // sx,
(y + 0) * image.height // sy,
(x + 1) * image.width // sx,
(y + 1) * image.height // sy
))
def set_tile(image: Image.Image, x: int, y: int, tiled: Image.Image):
image.paste(tiled, (x * tiled.width, y * tiled.height))
return image
def run_tiling(p: processing.StableDiffusionProcessing, input_image: Image.Image) -> processing.Processed:
t0 = time.time()
# prepare images
sx, sy = p.control_tile.split('x')
sx = int(sx)
sy = int(sy)
vae_scale_factor = sd_vae.get_vae_scale_factor()
if sx <= 0 or sy <= 0:
raise ValueError('Control Tile: invalid tile size')
control_image = p.task_args.get('control_image', None) or p.task_args.get('image', None)
control_upscaled = None
if isinstance(control_image, list) and len(control_image) > 0:
w, h = vae_scale_factor * int(sx * control_image[0].width) // vae_scale_factor, vae_scale_factor * int(sy * control_image[0].height) // vae_scale_factor
control_upscaled = images.resize_image(resize_mode=1 if sx==sy else 5, im=control_image[0], width=w, height=h, context='add with forward')
init_image = p.override or input_image
init_upscaled = None
if init_image is not None:
w, h = vae_scale_factor * int(sx * init_image.width) // vae_scale_factor, vae_scale_factor * int(sy * init_image.height) // vae_scale_factor
init_upscaled = images.resize_image(resize_mode=1 if sx==sy else 5, im=init_image, width=w, height=h, context='add with forward')
t1 = time.time()
shared.log.debug(f'Control Tile: scale={sx}x{sy} resize={"fixed" if sx==sy else "context"} control={control_upscaled} init={init_upscaled} time={t1-t0:.3f}')
# stop processing from restoring pipeline on each iteration
orig_restore_pipeline = getattr(shared.sd_model, 'restore_pipeline', None)
shared.sd_model.restore_pipeline = None
# run tiling
for x in range(sx):
for y in range(sy):
shared.log.info(f'Control Tile: tile={x+1}-{sx}/{y+1}-{sy} target={control_upscaled}')
shared.sd_model = sd_models.set_diffuser_pipe(shared.sd_model, sd_models.DiffusersTaskType.IMAGE_2_IMAGE)
p.init_images = None
p.task_args['control_mode'] = p.control_mode
p.task_args['strength'] = p.denoising_strength
if init_upscaled is not None:
p.task_args['image'] = [get_tile(init_upscaled, x, y, sx, sy)]
if control_upscaled is not None:
p.task_args['control_image'] = [get_tile(control_upscaled, x, y, sx, sy)]
processed: processing.Processed = processing.process_images(p) # run actual pipeline
if processed is None or len(processed.images) == 0:
continue
control_upscaled = set_tile(control_upscaled, x, y, processed.images[0])
# post-process
p.width = control_upscaled.width
p.height = control_upscaled.height
processed.images = [control_upscaled]
processed.info = processed.infotext(p, 0)
processed.infotexts = [processed.info]
shared.sd_model.restore_pipeline = orig_restore_pipeline
if hasattr(shared.sd_model, 'restore_pipeline') and shared.sd_model.restore_pipeline is not None:
shared.sd_model.restore_pipeline()
t2 = time.time()
shared.log.debug(f'Control Tile: image={control_upscaled} time={t2-t0:.3f}')
return processed