426 lines
16 KiB
Python
426 lines
16 KiB
Python
"""
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Refactored USD Upscaler batch processing patch.
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Preserves original behavior but:
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- Organizes imports and helpers
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- Replaces prints with logging
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- Factors duplicated logic (tile preparation, batching, decoding)
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- Uses functools.wraps when monkey-patching methods
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- Adds type hints and docstrings for clarity
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"""
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from __future__ import annotations
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import logging
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import math
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import numpy as np
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import torch
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from functools import wraps
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from typing import Tuple, List, Iterable
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from PIL import Image, ImageFilter, ImageDraw
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from comfy_extras.nodes_custom_sampler import SamplerCustom
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import modules.shared as shared
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from nodes import common_ksampler, VAEEncode, VAEDecode, VAEDecodeTiled
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from repositories import ultimate_upscale as usdu
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import usdu_utils
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logger = logging.getLogger(__name__)
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logger.addHandler(logging.StreamHandler())
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logger.setLevel(logging.INFO)
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# Compatibility for older Pillow versions
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try:
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Image.Resampling # type: ignore
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except Exception:
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Image.Resampling = Image # type: ignore
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# -------------------------
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# Utility helpers
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# -------------------------
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def round_length(length: int, multiple: int = 8) -> int:
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"""Round length to nearest multiple (default 8)."""
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return round(length / multiple) * multiple
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def _sample(model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent, denoise, custom_sampler, custom_sigmas):
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"""Sampling wrapper that supports a custom sampler or falls back to common_ksampler."""
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if custom_sampler is not None and custom_sigmas is not None:
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kwargs = dict(
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model=model,
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add_noise=True,
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noise_seed=seed,
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cfg=cfg,
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positive=positive,
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negative=negative,
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sampler=custom_sampler,
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sigmas=custom_sigmas,
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latent_image=latent
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)
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if hasattr(SamplerCustom, "execute"):
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(samples, _) = SamplerCustom.execute(**kwargs)
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else:
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custom_sample = SamplerCustom()
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(samples, _) = getattr(custom_sample, custom_sample.FUNCTION)(**kwargs)
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return samples
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(samples,) = common_ksampler(model, seed, steps, cfg, sampler_name,
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scheduler, positive, negative, latent, denoise=denoise)
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return samples
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# -------------------------
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# Monkey patches for USDUpscaler sizing / redraw / seams fix
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# -------------------------
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def patch_usdu_upscaler_init():
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"""Patch USDUpscaler.__init__ to round upscaler p.width/p.height to multiples."""
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old_init = usdu.USDUpscaler.__init__
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@wraps(old_init)
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def new_init(self, p, image, upscaler_index, save_redraw, save_seams_fix, tile_width, tile_height):
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p.width = round_length(image.width * p.upscale_by)
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p.height = round_length(image.height * p.upscale_by)
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return old_init(self, p, image, upscaler_index, save_redraw, save_seams_fix, tile_width, tile_height)
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usdu.USDUpscaler.__init__ = new_init
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def patch_usdu_redraw_init():
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"""Patch USDURedraw.init_draw to round tile size used for redraw."""
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old_init_draw = usdu.USDURedraw.init_draw
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@wraps(old_init_draw)
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def new_init_draw(self, p, width, height):
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mask, draw = old_init_draw(self, p, width, height)
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p.width = round_length(self.tile_width + self.padding)
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p.height = round_length(self.tile_height + self.padding)
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return mask, draw
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usdu.USDURedraw.init_draw = new_init_draw
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def patch_usdu_seams_fix_init():
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old_init = usdu.USDUSeamsFix.init_draw
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@wraps(old_init)
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def new_init(self, p):
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old_init(self, p)
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p.width = round_length(self.tile_width + self.padding)
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p.height = round_length(self.tile_height + self.padding)
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usdu.USDUSeamsFix.init_draw = new_init
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def patch_usdu_upscale_method():
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"""Patch USDUpscaler.upscale to keep shared.batch resized to p.width/p.height."""
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old_upscale = usdu.USDUpscaler.upscale
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@wraps(old_upscale)
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def new_upscale(self):
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old_upscale(self)
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# Keep shared.batch consistent with the upscaling width/height for subsequent processing.
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shared.batch = [self.image] + [
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img.resize((self.p.width, self.p.height), resample=Image.LANCZOS)
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for img in shared.batch[1:]
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]
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usdu.USDUpscaler.upscale = new_upscale
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# Apply patches
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patch_usdu_upscaler_init()
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patch_usdu_redraw_init()
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patch_usdu_seams_fix_init()
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patch_usdu_upscale_method()
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# -------------------------
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# Patched script.run replacement
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# -------------------------
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def patched_script_run(self, p, _, tile_width, tile_height, mask_blur, padding, seams_fix_width, seams_fix_denoise, seams_fix_padding,
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upscaler_index, save_upscaled_image, redraw_mode, save_seams_fix_image, seams_fix_mask_blur,
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seams_fix_type, target_size_type, custom_width, custom_height, custom_scale):
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"""
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Replacement for usdu.Script.run that preserves the original batch_size
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and delegates to the (patched) USDUpscaler and redraw pipeline.
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"""
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preserved_batch_size = getattr(p, 'batch_size', 1)
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logger.info("[USDU Batch Debug] Patched script.run() preserving batch_size=%s", preserved_batch_size)
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# Init (matching original code)
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usdu.processing.fix_seed(p)
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usdu.devices.torch_gc()
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# Keep original file-saving flags as in original code
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p.do_not_save_grid = True
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p.do_not_save_samples = True
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p.inpaint_full_res = False
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p.inpainting_fill = 1
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p.n_iter = 1
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p.batch_size = preserved_batch_size
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seed = p.seed
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# Init image
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init_img = p.init_images[0]
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if init_img is None:
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return usdu.processing.Processed(p, [], seed, "Empty image")
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init_img = usdu.images.flatten(init_img, usdu.shared.opts.img2img_background_color)
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# Override size by user choice
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if target_size_type == 1:
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p.width = custom_width
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p.height = custom_height
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elif target_size_type == 2:
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p.width = math.ceil((init_img.width * custom_scale) / 64) * 64
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p.height = math.ceil((init_img.height * custom_scale) / 64) * 64
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# Create and run upscaler
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upscaler = usdu.USDUpscaler(p, init_img, upscaler_index, save_upscaled_image, save_seams_fix_image, tile_width, tile_height)
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upscaler.upscale()
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# Drawing & seams fix setup
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upscaler.setup_redraw(redraw_mode, padding, mask_blur)
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upscaler.setup_seams_fix(seams_fix_padding, seams_fix_denoise, seams_fix_mask_blur, seams_fix_width, seams_fix_type)
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upscaler.print_info()
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upscaler.add_extra_info()
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upscaler.process()
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result_images = upscaler.result_images
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logger.info("[USDU Batch Debug] Patched script.run() complete, batch_size=%s", p.batch_size)
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return usdu.processing.Processed(p, result_images, seed, upscaler.initial_info or "")
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# Replace the original script.run with patched version
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usdu.Script.run = patched_script_run
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# -------------------------
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# Batch processing helpers shared between linear and chess modes
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# -------------------------
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def _prepare_tile_for_batch(calc_rectangle_fn, current_image: Image.Image, tx: int, ty: int, p) -> Tuple[Image.Image, Tuple[int, int, int, int], Image.Image, Tuple[int, int]]:
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"""
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Prepare cropped/resized tile, mask, crop-region and tile-size for encoding.
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Returns: (cropped_tile, initial_tile_size, tile_mask, tile_size)
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"""
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tile_mask = Image.new("L", (current_image.width, current_image.height), "black")
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tile_draw = ImageDraw.Draw(tile_mask)
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tile_draw.rectangle(calc_rectangle_fn(tx, ty), fill="white")
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crop_region = usdu_utils.get_crop_region(tile_mask, p.inpaint_full_res_padding)
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if p.uniform_tile_mode:
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x1, y1, x2, y2 = crop_region
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crop_w = x2 - x1
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crop_h = y2 - y1
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crop_ratio = crop_w / crop_h if crop_h != 0 else 1.0
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p_ratio = p.width / p.height if p.height != 0 else 1.0
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if crop_ratio > p_ratio:
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target_w = crop_w
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target_h = round(crop_w / p_ratio)
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else:
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target_w = round(crop_h * p_ratio)
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target_h = crop_h
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crop_region, _ = usdu_utils.expand_crop(crop_region, tile_mask.width, tile_mask.height, target_w, target_h)
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tile_size = (p.width, p.height)
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else:
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x1, y1, x2, y2 = crop_region
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crop_w = x2 - x1
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crop_h = y2 - y1
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target_w = math.ceil(crop_w / 8) * 8
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target_h = math.ceil(crop_h / 8) * 8
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crop_region, tile_size = usdu_utils.expand_crop(crop_region, tile_mask.width, tile_mask.height, target_w, target_h)
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# Optional blur
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if getattr(p, "mask_blur", 0) > 0:
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tile_mask = tile_mask.filter(ImageFilter.GaussianBlur(p.mask_blur))
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cropped_tile = current_image.crop(crop_region)
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initial_tile_size = cropped_tile.size
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if cropped_tile.size != tile_size:
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cropped_tile = cropped_tile.resize(tile_size, Image.Resampling.LANCZOS)
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return cropped_tile, initial_tile_size, tile_mask, crop_region, tile_size
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def _process_batch_tiles(p,
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tiles_coords: List[Tuple[int, int]],
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images: List[Image.Image],
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calc_rectangle_fn,
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vae_encoder: VAEEncode,
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vae_decoder: VAEDecode,
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vae_decoder_tiled: VAEDecodeTiled) -> List[Image.Image]:
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"""Encode, sample and decode a batch of tiles and composite them into the given images."""
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if not tiles_coords or not images:
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return images
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batch_tiles = []
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batch_masks = []
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batch_crop_regions = []
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batch_tile_sizes = []
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for image in images:
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for tx, ty in tiles_coords:
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cropped_tile, initial_tile_size, tile_mask, crop_region, tile_size = _prepare_tile_for_batch(calc_rectangle_fn, image, tx, ty, p)
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batch_tiles.append((cropped_tile, initial_tile_size))
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batch_masks.append(tile_mask)
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batch_crop_regions.append(crop_region)
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batch_tile_sizes.append(tile_size)
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# Encode tiles -> latent
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batched_tensors = torch.cat([usdu_utils.pil_to_tensor(tile) for tile, _ in batch_tiles], dim=0)
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(latent,) = vae_encoder.encode(p.vae, batched_tensors)
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# Condition from first tile (assume same)
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first_tile_size = batch_tile_sizes[0]
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positive_cropped = usdu_utils.crop_cond(p.positive, batch_crop_regions, p.init_size, images[0].size, first_tile_size)
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negative_cropped = usdu_utils.crop_cond(p.negative, batch_crop_regions, p.init_size, images[0].size, first_tile_size)
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# Sampling
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samples = _sample(p.model, p.seed, p.steps, p.cfg, p.sampler_name, p.scheduler,
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positive_cropped, negative_cropped, latent, p.denoise,
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p.custom_sampler, p.custom_sigmas)
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# Update progress bar if present
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if getattr(p, "progress_bar_enabled", False) and getattr(p, "pbar", None) is not None:
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p.pbar.update(len(list(tiles_coords)))
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# Decode
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if not getattr(p, "tiled_decode", False):
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(decoded,) = vae_decoder.decode(p.vae, samples)
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else:
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(decoded,) = vae_decoder_tiled.decode(p.vae, samples, 512)
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# Composite tiles back
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result_imgs = images
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for i, result_img in enumerate(result_imgs):
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for j, (tx, ty) in enumerate(tiles_coords):
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idx = i * len(tiles_coords) + j
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tile_sampled = usdu_utils.tensor_to_pil(decoded, idx)
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initial_tile_size = batch_tiles[idx][1]
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crop_region = batch_crop_regions[idx]
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tile_mask = batch_masks[idx]
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if tile_sampled.size != initial_tile_size:
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tile_sampled = tile_sampled.resize(initial_tile_size, Image.Resampling.LANCZOS)
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image_tile_only = Image.new('RGBA', result_img.size)
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image_tile_only.paste(tile_sampled, crop_region[:2])
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# Add mask as alpha and composite
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temp = image_tile_only.copy()
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temp.putalpha(tile_mask)
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image_tile_only.paste(temp, image_tile_only)
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result = result_img.convert('RGBA')
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result.alpha_composite(image_tile_only)
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result_img = result.convert('RGB')
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result_imgs[i] = result_img
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return result_imgs
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# -------------------------
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# Replace USDURedraw.linear_process and chess_process with batched variants
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# -------------------------
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def patch_usdu_linear_and_chess_process():
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old_linear = usdu.USDURedraw.linear_process
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old_chess = usdu.USDURedraw.chess_process
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@wraps(old_linear)
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def new_linear_process(self, p, image, rows, cols):
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batch_size = getattr(p, 'batch_size', 1)
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logger.info("[USDU Batch Debug] linear_process called batch_size=%s rows=%s cols=%s total_tiles=%s", batch_size, rows, cols, rows * cols)
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if batch_size <= 1:
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logger.info("[USDU Batch Debug] Using original single-tile processing (batch_size=%s)", batch_size)
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return old_linear(self, p, image, rows, cols)
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# Batch mode
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vae_encoder = VAEEncode()
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vae_decoder = VAEDecode()
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vae_decoder_tiled = VAEDecodeTiled()
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mask_template, draw_template = self.init_draw(p, image.width, image.height)
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tiles_to_process: List[Tuple[int, int]] = []
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batch_count = 0
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for yi in range(rows):
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for xi in range(cols):
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if shared.state.interrupted:
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break
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tiles_to_process.append((xi, yi))
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if len(tiles_to_process) >= batch_size or (yi == rows - 1 and xi == cols - 1):
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batch_count += 1
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logger.info("[USDU Batch Debug] Processing batch #%s with %s tiles: %s", batch_count, len(tiles_to_process), tiles_to_process)
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shared.batch = _process_batch_tiles(p, tiles_to_process, shared.batch, self.calc_rectangle, vae_encoder, vae_decoder, vae_decoder_tiled)
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tiles_to_process = []
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logger.info("[USDU Batch Debug] Linear processing complete. Processed %s batches total.", batch_count)
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p.width = image.width
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p.height = image.height
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return image
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@wraps(old_chess)
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def new_chess_process(self, p, image, rows, cols):
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batch_size = getattr(p, 'batch_size', 1)
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if batch_size <= 1:
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return old_chess(self, p, image, rows, cols)
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vae_encoder = VAEEncode()
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vae_decoder = VAEDecode()
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vae_decoder_tiled = VAEDecodeTiled()
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mask_template, draw_template = self.init_draw(p, image.width, image.height)
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# Determine tile "white/black" order
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tile_colors = []
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for yi in range(rows):
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row_colors = []
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for xi in range(cols):
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color = xi % 2 == 0
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if yi > 0 and yi % 2 != 0:
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color = not color
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row_colors.append(color)
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tile_colors.append(row_colors)
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# Helper to iterate tiles in chess order: white first, then black
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def chess_order_iter(white: bool):
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for yi in range(rows):
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for xi in range(cols):
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if tile_colors[yi][xi] == white:
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yield (xi, yi)
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# Process white tiles then black tiles
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for color in (True, False):
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tiles_to_process: List[Tuple[int, int]] = []
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for tx, ty in chess_order_iter(color):
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if shared.state.interrupted:
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break
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tiles_to_process.append((tx, ty))
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if len(tiles_to_process) >= batch_size:
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shared.batch = _process_batch_tiles(p, tiles_to_process, shared.batch, self.calc_rectangle, vae_encoder, vae_decoder, vae_decoder_tiled)
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tiles_to_process = []
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if tiles_to_process:
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shared.batch = _process_batch_tiles(p, tiles_to_process, shared.batch, self.calc_rectangle, vae_encoder, vae_decoder, vae_decoder_tiled)
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p.width = image.width
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p.height = image.height
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return image
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usdu.USDURedraw.linear_process = new_linear_process
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usdu.USDURedraw.chess_process = new_chess_process
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patch_usdu_linear_and_chess_process()
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logger.info("USDU batch patches applied successfully.")
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