test / scripts /sd_upscale.py
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import math
import gradio as gr
from PIL import Image
import modules.scripts as scripts
from modules import processing, shared, images, devices
from modules.processing import Processed
from modules.shared import opts, state, log
class Script(scripts.Script):
def title(self):
return "SD upscale"
def show(self, is_img2img):
return is_img2img
def ui(self, is_img2img):
with gr.Row():
info = gr.HTML("<span>&nbsp SD Upscale</span><br>")
with gr.Row():
overlap = gr.Slider(minimum=0, maximum=256, step=16, label='Tile overlap', value=64, elem_id=self.elem_id("overlap"))
scale_factor = gr.Slider(minimum=1.0, maximum=4.0, step=0.05, label='Scale Factor', value=2.0, elem_id=self.elem_id("scale_factor"))
with gr.Row():
upscaler_index = gr.Dropdown(label='Upscaler', choices=[x.name for x in shared.sd_upscalers], value=shared.sd_upscalers[0].name, type="index", elem_id=self.elem_id("upscaler_index"))
return [info, overlap, upscaler_index, scale_factor]
def run(self, p, _, overlap, upscaler_index, scale_factor): # pylint: disable=arguments-differ
if isinstance(upscaler_index, str):
upscaler_index = [x.name.lower() for x in shared.sd_upscalers].index(upscaler_index.lower())
processing.fix_seed(p)
upscaler = shared.sd_upscalers[upscaler_index]
p.extra_generation_params["SD upscale overlap"] = overlap
p.extra_generation_params["SD upscale upscaler"] = upscaler.name
initial_info = None
seed = p.seed
init_img = p.init_images[0]
init_img = images.flatten(init_img, opts.img2img_background_color)
if upscaler.name != "None":
img = upscaler.scaler.upscale(init_img, scale_factor, upscaler.data_path)
else:
img = init_img
devices.torch_gc()
grid = images.split_grid(img, tile_w=p.width, tile_h=p.height, overlap=overlap)
batch_size = p.batch_size
upscale_count = p.n_iter
p.n_iter = 1
p.do_not_save_grid = True
p.do_not_save_samples = True
work = []
for _y, _h, row in grid.tiles:
for tiledata in row:
work.append(tiledata[2])
batch_count = math.ceil(len(work) / batch_size)
state.job_count = batch_count * upscale_count
log.info(f"SD upscale: images={len(work)} tile={len(grid.tiles[0][2])}x{len(grid.tiles)} batches={state.job_count}")
result_images = []
for n in range(upscale_count):
start_seed = seed + n
p.seed = start_seed
work_results = []
for i in range(batch_count):
p.batch_size = batch_size
p.init_images = work[i * batch_size:(i + 1) * batch_size]
state.job = f"upscale batch {i+1+n*batch_count}/{state.job_count}"
processed = processing.process_images(p)
if initial_info is None:
initial_info = processed.info
p.seed = processed.seed + 1
work_results += processed.images
image_index = 0
for _y, _h, row in grid.tiles:
for tiledata in row:
tiledata[2] = work_results[image_index] if image_index < len(work_results) else Image.new("RGB", (p.width, p.height))
image_index += 1
combined_image = images.combine_grid(grid)
result_images.append(combined_image)
if opts.samples_save:
images.save_image(combined_image, p.outpath_samples, "", start_seed, p.prompt, opts.samples_format, info=initial_info, p=p)
processed = Processed(p, result_images, seed, initial_info)
return processed