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import math |
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from typing import List, Optional |
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from PIL import Image |
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from internals.data.result import Result |
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from internals.pipelines.commons import AbstractPipeline, Img2Img |
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from internals.util.cache import clear_cuda_and_gc |
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from internals.util.config import get_base_dimension, get_is_sdxl, get_model_dir |
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class HighRes(AbstractPipeline): |
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def load(self, img2img: Optional[Img2Img] = None): |
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if hasattr(self, "pipe"): |
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return |
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if not img2img: |
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img2img = Img2Img() |
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img2img.load(get_model_dir()) |
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self.pipe = img2img.pipe |
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self.img2img = img2img |
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def apply( |
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self, |
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prompt: List[str], |
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negative_prompt: List[str], |
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images, |
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width: int, |
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height: int, |
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num_inference_steps: int, |
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strength: float = 0.5, |
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guidance_scale: int = 9, |
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**kwargs, |
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): |
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clear_cuda_and_gc() |
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images = [image.resize((width, height)) for image in images] |
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kwargs = { |
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"prompt": prompt, |
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"image": images, |
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"strength": strength, |
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"negative_prompt": negative_prompt, |
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"guidance_scale": guidance_scale, |
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"num_inference_steps": num_inference_steps, |
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**kwargs, |
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} |
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result = self.pipe.__call__(**kwargs) |
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return Result.from_result(result) |
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@staticmethod |
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def get_intermediate_dimension(target_width: int, target_height: int): |
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def_size = get_base_dimension() |
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desired_pixel_count = def_size * def_size |
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actual_pixel_count = target_width * target_height |
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scale = math.sqrt(desired_pixel_count / actual_pixel_count) |
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firstpass_width = math.ceil(scale * target_width / 64) * 64 |
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firstpass_height = math.ceil(scale * target_height / 64) * 64 |
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print("Pass1", firstpass_width, firstpass_height) |
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if get_is_sdxl(): |
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firstpass_width, firstpass_height = HighRes.find_closest_sdxl_aspect_ratio( |
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firstpass_width, firstpass_height |
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) |
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print("Pass2", firstpass_width, firstpass_height) |
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return firstpass_width, firstpass_height |
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@staticmethod |
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def find_closest_sdxl_aspect_ratio(target_width: int, target_height: int): |
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target_ratio = target_width / target_height |
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closest_ratio = "" |
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min_difference = float("inf") |
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for ratio_str, (width, height) in SD_XL_BASE_RATIOS.items(): |
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ratio = width / height |
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difference = abs(target_ratio - ratio) |
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if difference < min_difference: |
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min_difference = difference |
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closest_ratio = ratio_str |
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new_width, new_height = SD_XL_BASE_RATIOS[closest_ratio] |
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return new_width, new_height |
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SD_XL_BASE_RATIOS = { |
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"0.5": (704, 1408), |
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"0.52": (704, 1344), |
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"0.57": (768, 1344), |
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"0.6": (768, 1280), |
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"0.68": (832, 1216), |
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"0.72": (832, 1152), |
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"0.78": (896, 1152), |
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"0.82": (896, 1088), |
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"0.88": (960, 1088), |
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"0.94": (960, 1024), |
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"1.0": (1024, 1024), |
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"1.07": (1024, 960), |
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"1.13": (1088, 960), |
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"1.21": (1088, 896), |
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"1.29": (1152, 896), |
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"1.38": (1152, 832), |
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"1.46": (1216, 832), |
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"1.67": (1280, 768), |
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"1.75": (1344, 768), |
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"1.91": (1344, 704), |
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"2.0": (1408, 704), |
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"2.09": (1472, 704), |
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"2.4": (1536, 640), |
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"2.5": (1600, 640), |
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"2.89": (1664, 576), |
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"3.0": (1728, 576), |
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} |
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