Files
yorkane-ComfyUI-KYNode/advanced_lying_sigma_sampler.py
T
2024-11-17 19:45:56 +08:00

144 lines
4.7 KiB
Python

# Based on the concept from https://github.com/muerrilla/sd-webui-detail-daemon
# Original code courtesy from https://github.com/blepping/
from __future__ import annotations
from typing import TYPE_CHECKING
import inspect
from comfy.samplers import KSAMPLER
import numpy as np
if TYPE_CHECKING:
import torch
def advanced_lying_sigma_sampler(
model: object,
x: torch.Tensor,
sigmas: torch.Tensor,
*,
sampler: object,
dishonesty_factor: float,
start_percent: float,
end_percent: float,
smooth_factor: float = 0.5,
**kwargs: dict,
) -> torch.Tensor:
start_sigma = round(model.inner_model.inner_model.model_sampling.percent_to_sigma(start_percent), 4)
end_sigma = round(model.inner_model.inner_model.model_sampling.percent_to_sigma(end_percent), 4)
def model_wrapper(x: torch.Tensor, sigma: torch.Tensor, **extra_args: dict):
sigma_float = float(sigma.max().detach().cpu())
if end_sigma <= sigma_float <= start_sigma:
adjustment = dishonesty_factor * (0.5 * (1 - np.cos(smooth_factor * np.pi)))
sigma = sigma * (1.0 + adjustment)
return model(x, sigma, **extra_args)
for k in (
"inner_model",
"sigmas",
):
if hasattr(model, k):
setattr(model_wrapper, k, getattr(model, k))
# Check if denoise_mask is supported by the sampler function
if 'denoise_mask' in inspect.signature(sampler.sampler_function).parameters:
return sampler.sampler_function(
model_wrapper,
x,
sigmas,
denoise_mask=kwargs.get('denoise_mask'),
**kwargs,
**sampler.extra_options,
)
else:
return sampler.sampler_function(
model_wrapper,
x,
sigmas,
**kwargs,
**sampler.extra_options,
)
class AdvancedLyingSigmaSamplerNode:
DESCRIPTION = "高级sigma控制器,使用前最好关闭float rounding并重启comfui,以达到最佳控制效果|For advanced sigma controllers, it is best to turn off float rounding and restart comfui before use for optimal control."
CATEGORY = "KY Nodes/advanced_samplers"
RETURN_TYPES = ("SAMPLER",)
FUNCTION = "initialize"
@classmethod
def INPUT_TYPES(cls) -> dict:
return {
"required": {
"sampler": ("SAMPLER",),
"dishonesty_factor": (
"FLOAT",
{
"default": -0.1,
"min": -1.0,
"max": 1.0,
"step": 0.001,
"tooltip": "默认值-0.1,一般来说这是一个较大值|Default value -0.1, which is generally a larger value."
}
),
"start_percent": (
"FLOAT",
{
"default": 0.1,
"min": 0.0,
"max": 1.0,
"step": 0.01,
"tooltip": "bilibili@深深蓝hana."
}
),
"end_percent": (
"FLOAT",
{
"default": 0.9,
"min": 0.0,
"max": 1.0,
"step": 0.01,
"tooltip": "bilibili@深深蓝hana."
}
),
"smooth_factor": (
"FLOAT",
{
"default": 0.5,
"min": 0.0,
"max": 1.0,
"step": 0.01,
"tooltip": "bilibili@深深蓝hana."
}
),
}
}
@classmethod
def initialize(
cls,
sampler: object,
dishonesty_factor: float,
start_percent: float,
end_percent: float,
smooth_factor: float,
) -> tuple:
return (
KSAMPLER(
advanced_lying_sigma_sampler,
extra_options={
"sampler": sampler,
"dishonesty_factor": dishonesty_factor,
"start_percent": start_percent,
"end_percent": end_percent,
"smooth_factor": smooth_factor,
},
),
)
NODE_CLASS_MAPPINGS = {
"AdvancedLyingSigmaSampler": AdvancedLyingSigmaSamplerNode,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"AdvancedLyingSigmaSampler": "Advanced Lying Sigma Sampler"
}