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nodes.py
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nodes.py
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import folder_paths
from .loader import load_UltraCascade
from nodes import common_ksampler
import torch
import comfy.clip_vision
import comfy.model_management
MAX_RESOLUTION=8192
def initialize_or_scale(tensor, value, steps):
if tensor is None:
return torch.full((steps,), value)
else:
return value * tensor
class UltraCascadePatch:
def __init__(self, x_lr=None, guide_weights=None, guide_type='residual'):
self.x_lr = x_lr
self.guide_weights = guide_weights
self.guide_type = guide_type
def apply(self, model):
model.x_lr = self.x_lr
model.guide_weights = self.guide_weights
model.guide_mode_weighted = self.guide_type == "weighted"
class UltraCascade_Set_LR_Guide:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"guide_type": (['residual', 'weighted'], ),
"model": ("MODEL",),
"x_lr": ("LATENT",),
"guide_weight": ("FLOAT", {"default": 0.0, "min": -100.0, "max": 100.0, "step":0.01, "round": 0.01}),
"noise_seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
},
"optional": {
"guide_weights": ("SIGMAS",),
}
}
RETURN_TYPES = ("MODEL","INT",)
RETURN_NAMES = ("stage_up","seed",)
FUNCTION = "main"
CATEGORY = "UltraCascade"
def main(self, guide_type, model, x_lr, guide_weight, noise_seed, guide_weights=None):
guide_weights = initialize_or_scale(guide_weights, guide_weight, 10000)
model.model.diffusion_model.set_guide_type(guide_type=guide_type)
model.model.diffusion_model.set_x_lr(x_lr=x_lr['samples'])
model.model.diffusion_model.set_guide_weights(guide_weights)
return (model,noise_seed)
class UltraCascade_Init:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"model": ("MODEL",),
"noise_seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
},
}
RETURN_TYPES = ("MODEL","INT",)
RETURN_NAMES = ("stage_c","seed",)
FUNCTION = "main"
CATEGORY = "UltraCascade"
def main(self, model, noise_seed):
model.model.diffusion_model.set_x_lr(x_lr=None)
model.model.diffusion_model.set_guide_weights(None)
return (model,noise_seed)
class UltraCascade_Clear_LR_Guide:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"stage_up": ("MODEL",),
"latent": ("LATENT",),
},
}
RETURN_TYPES = ("LATENT",)
RETURN_NAMES = ("latent",)
FUNCTION = "main"
CATEGORY = "UltraCascade"
def main(self, stage_up, latent):
stage_up.model.diffusion_model.set_x_lr(x_lr=None)
stage_up.model.diffusion_model.set_guide_weights(None)
return (latent)
class UltraCascade_CLIPTextEncode:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"positive": ("STRING", {"multiline": True, "dynamicPrompts": True}),
"negative": ("STRING", {"multiline": True, "dynamicPrompts": True}),
"clip": ("CLIP", ),
},
}
RETURN_TYPES = ("CONDITIONING","CONDITIONING",)
RETURN_NAMES = ("positive","negative")
FUNCTION = "main"
CATEGORY = "conditioning"
def main(self, clip, positive, negative):
pos_tokens = clip.tokenize(positive)
pos_output = clip.encode_from_tokens(pos_tokens, return_pooled=True, return_dict=True)
pos_cond = pos_output.pop("cond")
neg_tokens = clip.tokenize(negative)
neg_output = clip.encode_from_tokens(neg_tokens, return_pooled=True, return_dict=True)
neg_cond = neg_output.pop("cond")
return ([[pos_cond, pos_output]], [[neg_cond, neg_output]],)
class UltraCascade_Loader:
@classmethod
def INPUT_TYPES(s):
return {"required": { "stage_c_name" : (folder_paths.get_filename_list("unet"), ),
"stage_up_name": (folder_paths.get_filename_list("unet"), ),
}}
RETURN_TYPES = ("MODEL",)
FUNCTION = "main"
CATEGORY = "advanced/loaders"
def main(self, stage_c_name, stage_up_name):
stage_c_path = folder_paths.get_full_path("unet", stage_c_name)
stage_up_path = folder_paths.get_full_path("unet", stage_up_name)
model_c = load_UltraCascade(stage_c_path, stage_up_path)
model_c.model_options['transformer_options']['guide_mode_weighted'] = None
model_c.model_options['transformer_options']['x_lr'] = None
model_c.model_options['transformer_options']['guide_weights'] = None
return (model_c,)
class UltraCascade_ClipVision:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"clip_name": (folder_paths.get_filename_list("clip_vision"), {'default': "clip-vit-large-patch14.safetensors"}),
"strength_0": ("FLOAT", {"default": 1.0, "min": -10.0, "max": 10.0, "step": 0.01}),
"strength_1": ("FLOAT", {"default": 1.0, "min": -10.0, "max": 10.0, "step": 0.01}),
"noise_augment_0": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
"noise_augment_1": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
"conditioning": ("CONDITIONING", ),
"image_0": ("IMAGE",),
},
"optional": {
"image_1": ("IMAGE",),
}
}
RETURN_TYPES = ("CONDITIONING","CONDITIONING","CONDITIONING",)
RETURN_NAMES = ("conditioning_0_1","conditioning_0","conditioning_1",)
FUNCTION = "main"
CATEGORY = "loaders"
def main(self, clip_name, strength_0, strength_1, noise_augment_0, noise_augment_1, conditioning, image_0, image_1=None):
clip_path = folder_paths.get_full_path("clip_vision", clip_name)
clip_vision = comfy.clip_vision.load(clip_path)
cv_out_0 = clip_vision.encode_image(image_0)
conditioning_0 = self.cv_cond(cv_out_0, conditioning, strength_0, noise_augment_0)
if image_1 is None:
return (conditioning_0, conditioning_0, None)
else:
cv_out_1 = clip_vision.encode_image(image_1)
conditioning_1 = self.cv_cond(cv_out_1, conditioning_0, strength_1, noise_augment_1)
conditioning_0_1 = self.cv_cond(cv_out_1, conditioning_0, strength_1, noise_augment_1)
return (conditioning_0_1, conditioning_0, conditioning_1)
def cv_cond(self, cv_out, conditioning, strength, noise_augmentation):
c = []
for t in conditioning:
o = t[1].copy()
x = {"clip_vision_output": cv_out, "strength": strength, "noise_augmentation": noise_augmentation}
if "unclip_conditioning" in o:
o["unclip_conditioning"] = o["unclip_conditioning"][:] + [x]
else:
o["unclip_conditioning"] = [x]
n = [t[0], o]
c.append(n)
return c
class UltraCascade_EmptyLatents:
def __init__(self):
self.device = comfy.model_management.intermediate_device()
@classmethod
def INPUT_TYPES(s):
return {"required": {
"width_c": ("INT", {"default": 40, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"height_c": ("INT", {"default": 24, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"width_up": ("INT", {"default": 60, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"height_up": ("INT", {"default": 36, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"width_b": ("INT", {"default": 2560, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"height_b": ("INT", {"default": 1536, "min": 1, "max": MAX_RESOLUTION, "step": 1}),
"transpose": ("BOOLEAN", {"default": False}),
"batch_size": ("INT", {"default": 1, "min": 1, "max": 4096}),
}}
RETURN_TYPES = ("LATENT","LATENT","LATENT",)
RETURN_NAMES = ("latent_c", "latent_up", "latent_b",)
FUNCTION = "main"
CATEGORY = "latent"
def main(self, width_c, height_c, width_up, height_up, width_b, height_b, transpose, batch_size):
latent_c = torch.zeros([batch_size, 16, height_c , width_c ], device=self.device)
latent_up = torch.zeros([batch_size, 16, height_up , width_up ], device=self.device)
latent_b = torch.zeros([batch_size, 4, height_b // 4, width_b // 4], device=self.device)
if transpose:
latent_c, latent_up, latent_b = [x.permute(0, 1, 3, 2) for x in [latent_c, latent_up, latent_b]]
return ({"samples":latent_c}, {"samples":latent_up}, {"samples":latent_b},)
class UltraCascade_Stage_B:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"stage_up": ("MODEL",),
"latent": ("LATENT",),
"positive": ("CONDITIONING",),
},
}
RETURN_TYPES = ("CONDITIONING", "CONDITIONING",)
RETURN_NAMES = ("positive","negative")
FUNCTION = "main"
CATEGORY = "UltraCascade"
def main(self, stage_up, latent, positive):
stage_up.model.diffusion_model.set_x_lr(x_lr=None)
stage_up.model.diffusion_model.set_guide_weights(None)
c_pos, c_neg = [], []
for t in positive:
d_pos = t[1].copy()
d_neg = t[1].copy()
d_pos['stable_cascade_prior'] = latent['samples']
pooled_output = d_neg.get("pooled_output", None)
if pooled_output is not None:
d_neg["pooled_output"] = torch.zeros_like(pooled_output)
c_pos.append([t[0], d_pos])
c_neg.append([torch.zeros_like(t[0]), d_neg])
return (c_pos, c_neg,)
class UltraCascade_KSampler:
@classmethod
def INPUT_TYPES(s):
return {"required":
{"model": ("MODEL",),
"seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
"steps": ("INT", {"default": 20, "min": 1, "max": 10000}),
"cfg": ("FLOAT", {"default": 8.0, "min": 0.0, "max": 100.0, "step":0.1, "round": 0.01}),
"sampler_name": (comfy.samplers.KSampler.SAMPLERS, ),
"scheduler": (comfy.samplers.KSampler.SCHEDULERS, ),
"positive": ("CONDITIONING", ),
"negative": ("CONDITIONING", ),
"latent_image": ("LATENT", ),
"denoise": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
"guide_type": (['residual', 'weighted'], ),
"guide_weight": ("FLOAT", {"default": 0.0, "min": -100.0, "max": 100.0, "step":0.01, "round": 0.01}),
},
"optional": {
"guide": ("LATENT",),
}
}
RETURN_TYPES = ("LATENT",)
FUNCTION = "sample"
CATEGORY = "sampling"
def sample(self, model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image, guide_type, guide_weight, guide=None, denoise=1.0):
if model.model.model_config.unet_config['stable_cascade_stage'] == 'up':
x_lr = guide['samples'] if guide is not None else None
guide_weights = initialize_or_scale(None, guide_weight, 10000)
model.model.diffusion_model.set_guide_weights(guide_weights=guide_weights)
model.model.diffusion_model.set_guide_type(guide_type=guide_type)
model.model.diffusion_model.set_x_lr(x_lr=x_lr)
elif model.model.model_config.unet_config['stable_cascade_stage'] == 'b':
c_pos, c_neg = [], []
for t in positive:
d_pos = t[1].copy()
d_neg = t[1].copy()
d_pos['stable_cascade_prior'] = guide['samples']
pooled_output = d_neg.get("pooled_output", None)
if pooled_output is not None:
d_neg["pooled_output"] = torch.zeros_like(pooled_output)
c_pos.append([t[0], d_pos])
c_neg.append([torch.zeros_like(t[0]), d_neg])
positive = c_pos
negative = c_neg
return common_ksampler(model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image, denoise=denoise)
class UltraCascade_KSamplerAdvanced:
@classmethod
def INPUT_TYPES(s):
return {"required":
{"model": ("MODEL",),
"add_noise": (["enable", "disable"], ),
"noise_seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
"steps": ("INT", {"default": 20, "min": 1, "max": 10000}),
"cfg": ("FLOAT", {"default": 8.0, "min": 0.0, "max": 100.0, "step":0.1, "round": 0.01}),
"sampler_name": (comfy.samplers.KSampler.SAMPLERS, ),
"scheduler": (comfy.samplers.KSampler.SCHEDULERS, ),
"positive": ("CONDITIONING", ),
"negative": ("CONDITIONING", ),
"latent_image": ("LATENT", ),
"start_at_step": ("INT", {"default": 0, "min": 0, "max": 10000}),
"end_at_step": ("INT", {"default": 10000, "min": 0, "max": 10000}),
"return_with_leftover_noise": (["disable", "enable"], ),
"mode": (["Stage_C", "Stage_UP"],),
"guide_type": (['residual', 'weighted'], ),
"guide_weight": ("FLOAT", {"default": 0.0, "min": -100.0, "max": 100.0, "step":0.01, "round": 0.01}),
},
"optional": {
"guide": ("LATENT",),
"guide_weights": ("SIGMAS",),
}
}
RETURN_TYPES = ("LATENT",)
FUNCTION = "sample"
CATEGORY = "sampling"
def sample(self, model, add_noise, noise_seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image, start_at_step, end_at_step, return_with_leftover_noise, mode, guide_type, guide_weight, guide=None, guide_weights=None, denoise=1.0):
guide_weights = initialize_or_scale(guide_weights, guide_weight, 10000)
model.model.diffusion_model.set_guide_weights(guide_weights=guide_weights)
model.model.diffusion_model.set_guide_type(guide_type=guide_type)
model.model.diffusion_model.set_x_lr(x_lr=guide['samples'])
force_full_denoise = True
if return_with_leftover_noise == "enable":
force_full_denoise = False
disable_noise = False
if add_noise == "disable":
disable_noise = True
return common_ksampler(model, noise_seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image, denoise=denoise, disable_noise=disable_noise, start_step=start_at_step, last_step=end_at_step, force_full_denoise=force_full_denoise)
class UltraCascade_StageC_Tile:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"latent": ("LATENT",),
},
}
RETURN_TYPES = ("LATENT", "LATENT", "LATENT", "LATENT", )
RETURN_NAMES = ("latent_0_0","latent_1_0","latent_0_1","latent_1_1")
FUNCTION = "main"
CATEGORY = "UltraCascade"
def main(self, latent):
x = latent['samples']
h_half = x.shape[2] // 2
w_half = x.shape[3] // 2
x_0_0 = x[:,:, :h_half , :w_half]
x_1_0 = x[:,:, h_half: , :w_half]
x_0_1 = x[:,:, :h_half , w_half:]
x_1_1 = x[:,:, h_half: , w_half:]
return ({'samples': x_0_0}, {'samples': x_1_0},{'samples': x_0_1},{'samples': x_1_1},)
NODE_CLASS_MAPPINGS = {
"UltraCascade_Loader": UltraCascade_Loader,
"UltraCascade_Set_LR_Guide": UltraCascade_Set_LR_Guide,
"UltraCascade_Clear_LR_Guide": UltraCascade_Clear_LR_Guide,
"UltraCascade_Init": UltraCascade_Init,
"UltraCascade_Stage_B": UltraCascade_Stage_B,
"UltraCascade_CLIPTextEncode": UltraCascade_CLIPTextEncode,
"UltraCascade_ClipVision": UltraCascade_ClipVision,
"UltraCascade_EmptyLatents": UltraCascade_EmptyLatents,
"UltraCascade_KSampler": UltraCascade_KSampler,
"UltraCascade_KSamplerAdvanced": UltraCascade_KSamplerAdvanced,
"UltraCascade_StageC_Tile": UltraCascade_StageC_Tile,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"UltraCascade_Loader": "UltraCascade Loader",
"UltraCascade_Set_LR_Guide": "UltraCascade Set LR Guide",
"UltraCascade_Clear_LR_Guide": "UltraCascade Clear LR Guide",
"UltraCascade_Init": "UltraCascade Init",
"UltraCascade_Stage_B": "UltraCascade Stage B",
"UltraCascade_CLIPTextEncode": "UltraCascade CLIP Text Encode",
"UltraCascade_ClipVision": "UltraCascade ClipVision",
"UltraCascade_EmptyLatents": "UltraCascade EmptyLatents",
"UltraCascade_KSampler": "UltraCascade KSampler",
"UltraCascade_KSamplerAdvanced": "UltraCascade KSamplerAdvanced",
"UltraCascade_StageC_Tile": "UltraCascade StageC Tile",
}