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brushnet_nodes.py
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brushnet_nodes.py
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import os
import types
from typing import Tuple
import torch
import torchvision.transforms as T
import torch.nn.functional as F
from accelerate import init_empty_weights, load_checkpoint_and_dispatch
import comfy
import folder_paths
from .model_patch import add_model_patch_option, patch_model_function_wrapper
from .brushnet.brushnet import BrushNetModel
from .brushnet.brushnet_ca import BrushNetModel as PowerPaintModel
from .brushnet.powerpaint_utils import TokenizerWrapper, add_tokens
current_directory = os.path.dirname(os.path.abspath(__file__))
brushnet_config_file = os.path.join(current_directory, 'brushnet', 'brushnet.json')
brushnet_xl_config_file = os.path.join(current_directory, 'brushnet', 'brushnet_xl.json')
powerpaint_config_file = os.path.join(current_directory,'brushnet', 'powerpaint.json')
sd15_scaling_factor = 0.18215
sdxl_scaling_factor = 0.13025
ModelsToUnload = [comfy.sd1_clip.SD1ClipModel,
comfy.ldm.models.autoencoder.AutoencoderKL
]
class BrushNetLoader:
@classmethod
def INPUT_TYPES(self):
self.inpaint_files = get_files_with_extension('inpaint')
return {"required":
{
"brushnet": ([file for file in self.inpaint_files], ),
"dtype": (['float16', 'bfloat16', 'float32', 'float64'], ),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("BRMODEL",)
RETURN_NAMES = ("brushnet",)
FUNCTION = "brushnet_loading"
def brushnet_loading(self, brushnet, dtype):
brushnet_file = os.path.join(self.inpaint_files[brushnet], brushnet)
is_SDXL = False
is_PP = False
sd = comfy.utils.load_torch_file(brushnet_file)
brushnet_down_block, brushnet_mid_block, brushnet_up_block, keys = brushnet_blocks(sd)
del sd
if brushnet_down_block == 24 and brushnet_mid_block == 2 and brushnet_up_block == 30:
is_SDXL = False
if keys == 322:
is_PP = False
print('BrushNet model type: SD1.5')
else:
is_PP = True
print('PowerPaint model type: SD1.5')
elif brushnet_down_block == 18 and brushnet_mid_block == 2 and brushnet_up_block == 22:
print('BrushNet model type: Loading SDXL')
is_SDXL = True
is_PP = False
else:
raise Exception("Unknown BrushNet model")
with init_empty_weights():
if is_SDXL:
brushnet_config = BrushNetModel.load_config(brushnet_xl_config_file)
brushnet_model = BrushNetModel.from_config(brushnet_config)
elif is_PP:
brushnet_config = PowerPaintModel.load_config(powerpaint_config_file)
brushnet_model = PowerPaintModel.from_config(brushnet_config)
else:
brushnet_config = BrushNetModel.load_config(brushnet_config_file)
brushnet_model = BrushNetModel.from_config(brushnet_config)
if is_PP:
print("PowerPaint model file:", brushnet_file)
else:
print("BrushNet model file:", brushnet_file)
if dtype == 'float16':
torch_dtype = torch.float16
elif dtype == 'bfloat16':
torch_dtype = torch.bfloat16
elif dtype == 'float32':
torch_dtype = torch.float32
else:
torch_dtype = torch.float64
brushnet_model = load_checkpoint_and_dispatch(
brushnet_model,
brushnet_file,
device_map="sequential",
max_memory=None,
offload_folder=None,
offload_state_dict=False,
dtype=torch_dtype,
force_hooks=False,
)
if is_PP:
print("PowerPaint model is loaded")
elif is_SDXL:
print("BrushNet SDXL model is loaded")
else:
print("BrushNet SD1.5 model is loaded")
return ({"brushnet": brushnet_model, "SDXL": is_SDXL, "PP": is_PP, "dtype": torch_dtype}, )
class PowerPaintCLIPLoader:
@classmethod
def INPUT_TYPES(self):
self.inpaint_files = get_files_with_extension('inpaint', ['.bin'])
self.clip_files = get_files_with_extension('clip')
return {"required":
{
"base": ([file for file in self.clip_files], ),
"powerpaint": ([file for file in self.inpaint_files], ),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("CLIP",)
RETURN_NAMES = ("clip",)
FUNCTION = "ppclip_loading"
def ppclip_loading(self, base, powerpaint):
base_CLIP_file = os.path.join(self.clip_files[base], base)
pp_CLIP_file = os.path.join(self.inpaint_files[powerpaint], powerpaint)
pp_clip = comfy.sd.load_clip(ckpt_paths=[base_CLIP_file])
print('PowerPaint base CLIP file: ', base_CLIP_file)
pp_tokenizer = TokenizerWrapper(pp_clip.tokenizer.clip_l.tokenizer)
pp_text_encoder = pp_clip.patcher.model.clip_l.transformer
add_tokens(
tokenizer = pp_tokenizer,
text_encoder = pp_text_encoder,
placeholder_tokens = ["P_ctxt", "P_shape", "P_obj"],
initialize_tokens = ["a", "a", "a"],
num_vectors_per_token = 10,
)
pp_text_encoder.load_state_dict(comfy.utils.load_torch_file(pp_CLIP_file), strict=False)
print('PowerPaint CLIP file: ', pp_CLIP_file)
pp_clip.tokenizer.clip_l.tokenizer = pp_tokenizer
pp_clip.patcher.model.clip_l.transformer = pp_text_encoder
return (pp_clip,)
class PowerPaint:
@classmethod
def INPUT_TYPES(s):
return {"required":
{
"model": ("MODEL",),
"vae": ("VAE", ),
"image": ("IMAGE",),
"mask": ("MASK",),
"powerpaint": ("BRMODEL", ),
"clip": ("CLIP", ),
"positive": ("CONDITIONING", ),
"negative": ("CONDITIONING", ),
"fitting" : ("FLOAT", {"default": 1.0, "min": 0.3, "max": 1.0}),
"function": (['text guided', 'shape guided', 'object removal', 'context aware', 'image outpainting'], ),
"scale": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0}),
"start_at": ("INT", {"default": 0, "min": 0, "max": 10000}),
"end_at": ("INT", {"default": 10000, "min": 0, "max": 10000}),
"save_memory": (['none', 'auto', 'max'], ),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("MODEL","CONDITIONING","CONDITIONING","LATENT",)
RETURN_NAMES = ("model","positive","negative","latent",)
FUNCTION = "model_update"
def model_update(self, model, vae, image, mask, powerpaint, clip, positive, negative, fitting, function, scale, start_at, end_at, save_memory):
is_SDXL, is_PP = check_compatibilty(model, powerpaint)
if not is_PP:
raise Exception("BrushNet model was loaded, please use BrushNet node")
# Make a copy of the model so that we're not patching it everywhere in the workflow.
model = model.clone()
# prepare image and mask
# no batches for original image and mask
masked_image, mask = prepare_image(image, mask)
batch = masked_image.shape[0]
#width = masked_image.shape[2]
#height = masked_image.shape[1]
if hasattr(model.model.model_config, 'latent_format') and hasattr(model.model.model_config.latent_format, 'scale_factor'):
scaling_factor = model.model.model_config.latent_format.scale_factor
else:
scaling_factor = sd15_scaling_factor
torch_dtype = powerpaint['dtype']
# prepare conditioning latents
conditioning_latents = get_image_latents(masked_image, mask, vae, scaling_factor)
conditioning_latents[0] = conditioning_latents[0].to(dtype=torch_dtype).to(powerpaint['brushnet'].device)
conditioning_latents[1] = conditioning_latents[1].to(dtype=torch_dtype).to(powerpaint['brushnet'].device)
# prepare embeddings
if function == "object removal":
promptA = "P_ctxt"
promptB = "P_ctxt"
negative_promptA = "P_obj"
negative_promptB = "P_obj"
print('You should add to positive prompt: "empty scene blur"')
#positive = positive + " empty scene blur"
elif function == "context aware":
promptA = "P_ctxt"
promptB = "P_ctxt"
negative_promptA = ""
negative_promptB = ""
#positive = positive + " empty scene"
print('You should add to positive prompt: "empty scene"')
elif function == "shape guided":
promptA = "P_shape"
promptB = "P_ctxt"
negative_promptA = "P_shape"
negative_promptB = "P_ctxt"
elif function == "image outpainting":
promptA = "P_ctxt"
promptB = "P_ctxt"
negative_promptA = "P_obj"
negative_promptB = "P_obj"
#positive = positive + " empty scene"
print('You should add to positive prompt: "empty scene"')
else:
promptA = "P_obj"
promptB = "P_obj"
negative_promptA = "P_obj"
negative_promptB = "P_obj"
tokens = clip.tokenize(promptA)
prompt_embedsA = clip.encode_from_tokens(tokens, return_pooled=False)
tokens = clip.tokenize(negative_promptA)
negative_prompt_embedsA = clip.encode_from_tokens(tokens, return_pooled=False)
tokens = clip.tokenize(promptB)
prompt_embedsB = clip.encode_from_tokens(tokens, return_pooled=False)
tokens = clip.tokenize(negative_promptB)
negative_prompt_embedsB = clip.encode_from_tokens(tokens, return_pooled=False)
prompt_embeds_pp = (prompt_embedsA * fitting + (1.0 - fitting) * prompt_embedsB).to(dtype=torch_dtype).to(powerpaint['brushnet'].device)
negative_prompt_embeds_pp = (negative_prompt_embedsA * fitting + (1.0 - fitting) * negative_prompt_embedsB).to(dtype=torch_dtype).to(powerpaint['brushnet'].device)
# unload vae and CLIPs
del vae
del clip
for loaded_model in comfy.model_management.current_loaded_models:
if type(loaded_model.model.model) in ModelsToUnload:
comfy.model_management.current_loaded_models.remove(loaded_model)
loaded_model.model_unload()
del loaded_model
# apply patch to model
brushnet_conditioning_scale = scale
control_guidance_start = start_at
control_guidance_end = end_at
if save_memory != 'none':
powerpaint['brushnet'].set_attention_slice(save_memory)
add_brushnet_patch(model,
powerpaint['brushnet'],
torch_dtype,
conditioning_latents,
(brushnet_conditioning_scale, control_guidance_start, control_guidance_end),
negative_prompt_embeds_pp, prompt_embeds_pp,
None, None, None,
False)
latent = torch.zeros([batch, 4, conditioning_latents[0].shape[2], conditioning_latents[0].shape[3]], device=powerpaint['brushnet'].device)
return (model, positive, negative, {"samples":latent},)
class BrushNet:
@classmethod
def INPUT_TYPES(s):
return {"required":
{
"model": ("MODEL",),
"vae": ("VAE", ),
"image": ("IMAGE",),
"mask": ("MASK",),
"brushnet": ("BRMODEL", ),
"positive": ("CONDITIONING", ),
"negative": ("CONDITIONING", ),
"scale": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0}),
"start_at": ("INT", {"default": 0, "min": 0, "max": 10000}),
"end_at": ("INT", {"default": 10000, "min": 0, "max": 10000}),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("MODEL","CONDITIONING","CONDITIONING","LATENT",)
RETURN_NAMES = ("model","positive","negative","latent",)
FUNCTION = "model_update"
def model_update(self, model, vae, image, mask, brushnet, positive, negative, scale, start_at, end_at):
is_SDXL, is_PP = check_compatibilty(model, brushnet)
if is_PP:
raise Exception("PowerPaint model was loaded, please use PowerPaint node")
# Make a copy of the model so that we're not patching it everywhere in the workflow.
model = model.clone()
# prepare image and mask
# no batches for original image and mask
masked_image, mask = prepare_image(image, mask)
batch = masked_image.shape[0]
width = masked_image.shape[2]
height = masked_image.shape[1]
if hasattr(model.model.model_config, 'latent_format') and hasattr(model.model.model_config.latent_format, 'scale_factor'):
scaling_factor = model.model.model_config.latent_format.scale_factor
elif is_SDXL:
scaling_factor = sdxl_scaling_factor
else:
scaling_factor = sd15_scaling_factor
torch_dtype = brushnet['dtype']
# prepare conditioning latents
conditioning_latents = get_image_latents(masked_image, mask, vae, scaling_factor)
conditioning_latents[0] = conditioning_latents[0].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
conditioning_latents[1] = conditioning_latents[1].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
# unload vae
del vae
for loaded_model in comfy.model_management.current_loaded_models:
if type(loaded_model.model.model) in ModelsToUnload:
comfy.model_management.current_loaded_models.remove(loaded_model)
loaded_model.model_unload()
del loaded_model
# prepare embeddings
prompt_embeds = positive[0][0].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
negative_prompt_embeds = negative[0][0].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
max_tokens = max(prompt_embeds.shape[1], negative_prompt_embeds.shape[1])
if prompt_embeds.shape[1] < max_tokens:
multiplier = max_tokens // 77 - prompt_embeds.shape[1] // 77
prompt_embeds = torch.concat([prompt_embeds] + [prompt_embeds[:,-77:,:]] * multiplier, dim=1)
print('BrushNet: negative prompt more than 75 tokens:', negative_prompt_embeds.shape, 'multiplying prompt_embeds')
if negative_prompt_embeds.shape[1] < max_tokens:
multiplier = max_tokens // 77 - negative_prompt_embeds.shape[1] // 77
negative_prompt_embeds = torch.concat([negative_prompt_embeds] + [negative_prompt_embeds[:,-77:,:]] * multiplier, dim=1)
print('BrushNet: positive prompt more than 75 tokens:', prompt_embeds.shape, 'multiplying negative_prompt_embeds')
if len(positive[0]) > 1 and 'pooled_output' in positive[0][1] and positive[0][1]['pooled_output'] is not None:
pooled_prompt_embeds = positive[0][1]['pooled_output'].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
else:
print('BrushNet: positive conditioning has not pooled_output')
if is_SDXL:
print('BrushNet will not produce correct results')
pooled_prompt_embeds = torch.empty([2, 1280], device=brushnet['brushnet'].device).to(dtype=torch_dtype)
if len(negative[0]) > 1 and 'pooled_output' in negative[0][1] and negative[0][1]['pooled_output'] is not None:
negative_pooled_prompt_embeds = negative[0][1]['pooled_output'].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
else:
print('BrushNet: negative conditioning has not pooled_output')
if is_SDXL:
print('BrushNet will not produce correct results')
negative_pooled_prompt_embeds = torch.empty([1, pooled_prompt_embeds.shape[1]], device=brushnet['brushnet'].device).to(dtype=torch_dtype)
time_ids = torch.FloatTensor([[height, width, 0., 0., height, width]]).to(dtype=torch_dtype).to(brushnet['brushnet'].device)
if not is_SDXL:
pooled_prompt_embeds = None
negative_pooled_prompt_embeds = None
time_ids = None
# apply patch to model
brushnet_conditioning_scale = scale
control_guidance_start = start_at
control_guidance_end = end_at
add_brushnet_patch(model,
brushnet['brushnet'],
torch_dtype,
conditioning_latents,
(brushnet_conditioning_scale, control_guidance_start, control_guidance_end),
prompt_embeds, negative_prompt_embeds,
pooled_prompt_embeds, negative_pooled_prompt_embeds, time_ids,
False)
latent = torch.zeros([batch, 4, conditioning_latents[0].shape[2], conditioning_latents[0].shape[3]], device=brushnet['brushnet'].device)
return (model, positive, negative, {"samples":latent},)
class BlendInpaint:
@classmethod
def INPUT_TYPES(s):
return {"required":
{
"inpaint": ("IMAGE",),
"original": ("IMAGE",),
"mask": ("MASK",),
"kernel": ("INT", {"default": 10, "min": 1, "max": 1000}),
"sigma": ("FLOAT", {"default": 10.0, "min": 0.01, "max": 1000}),
},
"optional":
{
"origin": ("VECTOR",),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("IMAGE","MASK",)
RETURN_NAMES = ("image","MASK",)
FUNCTION = "blend_inpaint"
def blend_inpaint(self, inpaint: torch.Tensor, original: torch.Tensor, mask, kernel: int, sigma:int, origin=None) -> Tuple[torch.Tensor]:
original, mask = check_image_mask(original, mask, 'Blend Inpaint')
if len(inpaint.shape) < 4:
# image tensor shape should be [B, H, W, C], but batch somehow is missing
inpaint = inpaint[None,:,:,:]
if inpaint.shape[0] < original.shape[0]:
print("Blend Inpaint gets batch of original images (%d) but only (%d) inpaint images" % (original.shape[0], inpaint.shape[0]))
original= original[:inpaint.shape[0],:,:]
mask = mask[:inpaint.shape[0],:,:]
if inpaint.shape[0] > original.shape[0]:
# batch over inpaint
count = 0
original_list = []
mask_list = []
origin_list = []
while (count < inpaint.shape[0]):
for i in range(original.shape[0]):
original_list.append(original[i][None,:,:,:])
mask_list.append(mask[i][None,:,:])
if origin is not None:
origin_list.append(origin[i][None,:])
count += 1
if count >= inpaint.shape[0]:
break
original = torch.concat(original_list, dim=0)
mask = torch.concat(mask_list, dim=0)
if origin is not None:
origin = torch.concat(origin_list, dim=0)
if kernel % 2 == 0:
kernel += 1
transform = T.GaussianBlur(kernel_size=(kernel, kernel), sigma=(sigma, sigma))
ret = []
blurred = []
for i in range(inpaint.shape[0]):
if origin is None:
blurred_mask = transform(mask[i][None,None,:,:]).to(original.device).to(original.dtype)
blurred.append(blurred_mask[0])
result = torch.nn.functional.interpolate(
inpaint[i][None,:,:,:].permute(0, 3, 1, 2),
size=(
original[i].shape[0],
original[i].shape[1],
)
).permute(0, 2, 3, 1).to(original.device).to(original.dtype)
else:
# got mask from CutForInpaint
height, width, _ = original[i].shape
x0 = origin[i][0].item()
y0 = origin[i][1].item()
if mask[i].shape[0] < height or mask[i].shape[1] < width:
padded_mask = F.pad(input=mask[i], pad=(x0, width-x0-mask[i].shape[1],
y0, height-y0-mask[i].shape[0]), mode='constant', value=0)
else:
padded_mask = mask[i]
blurred_mask = transform(padded_mask[None,None,:,:]).to(original.device).to(original.dtype)
blurred.append(blurred_mask[0][0])
result = F.pad(input=inpaint[i], pad=(0, 0, x0, width-x0-inpaint[i].shape[1],
y0, height-y0-inpaint[i].shape[0]), mode='constant', value=0)
result = result[None,:,:,:].to(original.device).to(original.dtype)
ret.append(original[i] * (1.0 - blurred_mask[0][0][:,:,None]) + result[0] * blurred_mask[0][0][:,:,None])
return (torch.stack(ret), torch.stack(blurred), )
class CutForInpaint:
@classmethod
def INPUT_TYPES(s):
return {"required":
{
"image": ("IMAGE",),
"mask": ("MASK",),
"width": ("INT", {"default": 512, "min": 64, "max": 2048}),
"height": ("INT", {"default": 512, "min": 64, "max": 2048}),
},
}
CATEGORY = "inpaint"
RETURN_TYPES = ("IMAGE","MASK","VECTOR",)
RETURN_NAMES = ("image","mask","origin",)
FUNCTION = "cut_for_inpaint"
def cut_for_inpaint(self, image: torch.Tensor, mask: torch.Tensor, width: int, height: int):
image, mask = check_image_mask(image, mask, 'BrushNet')
ret = []
msk = []
org = []
for i in range(image.shape[0]):
x0, y0, w, h = cut_with_mask(mask[i], width, height)
ret.append((image[i][y0:y0+h,x0:x0+w,:]))
msk.append((mask[i][y0:y0+h,x0:x0+w]))
org.append(torch.IntTensor([x0,y0]))
return (torch.stack(ret), torch.stack(msk), torch.stack(org), )
#### Utility function
def get_files_with_extension(folder_name, extension=['.safetensors']):
try:
folders = folder_paths.get_folder_paths(folder_name)
except:
folders = []
if not folders:
folders = [os.path.join(folder_paths.models_dir, folder_name), os.path.join(folder_paths.base_path, folder_name)]
filtered_folders = []
for x in folders:
if not os.path.isdir(x):
continue
the_same = False
for y in filtered_folders:
if os.path.samefile(x, y):
the_same = True
break
if not the_same:
filtered_folders.append(x)
if not filtered_folders:
return {}
output = {}
for x in filtered_folders:
files, folders_all = folder_paths.recursive_search(x, excluded_dir_names=[".git"])
filtered_files = folder_paths.filter_files_extensions(files, extension)
for f in filtered_files:
output[f] = x
return output
# get blocks from state_dict so we could know which model it is
def brushnet_blocks(sd):
brushnet_down_block = 0
brushnet_mid_block = 0
brushnet_up_block = 0
for key in sd:
if 'brushnet_down_block' in key:
brushnet_down_block += 1
if 'brushnet_mid_block' in key:
brushnet_mid_block += 1
if 'brushnet_up_block' in key:
brushnet_up_block += 1
return (brushnet_down_block, brushnet_mid_block, brushnet_up_block, len(sd))
# Check models compatibility
def check_compatibilty(model, brushnet):
is_SDXL = False
is_PP = False
if isinstance(model.model.model_config, comfy.supported_models.SD15):
print('Base model type: SD1.5')
is_SDXL = False
if brushnet["SDXL"]:
raise Exception("Base model is SD15, but BrushNet is SDXL type")
if brushnet["PP"]:
is_PP = True
elif isinstance(model.model.model_config, comfy.supported_models.SDXL):
print('Base model type: SDXL')
is_SDXL = True
if not brushnet["SDXL"]:
raise Exception("Base model is SDXL, but BrushNet is SD15 type")
else:
print('Base model type: ', type(model.model.model_config))
raise Exception("Unsupported model type: " + str(type(model.model.model_config)))
return (is_SDXL, is_PP)
def check_image_mask(image, mask, name):
if len(image.shape) < 4:
# image tensor shape should be [B, H, W, C], but batch somehow is missing
image = image[None,:,:,:]
if len(mask.shape) > 3:
# mask tensor shape should be [B, H, W] but we get [B, H, W, C], image may be?
# take first mask, red channel
mask = (mask[:,:,:,0])[:,:,:]
elif len(mask.shape) < 3:
# mask tensor shape should be [B, H, W] but batch somehow is missing
mask = mask[None,:,:]
if image.shape[0] > mask.shape[0]:
print(name, "gets batch of images (%d) but only %d masks" % (image.shape[0], mask.shape[0]))
if mask.shape[0] == 1:
print(name, "will copy the mask to fill batch")
mask = torch.cat([mask] * image.shape[0], dim=0)
else:
print(name, "will add empty masks to fill batch")
empty_mask = torch.zeros([image.shape[0] - mask.shape[0], mask.shape[1], mask.shape[2]])
mask = torch.cat([mask, empty_mask], dim=0)
elif image.shape[0] < mask.shape[0]:
print(name, "gets batch of images (%d) but too many (%d) masks" % (image.shape[0], mask.shape[0]))
mask = mask[:image.shape[0],:,:]
return (image, mask)
# Prepare image and mask
def prepare_image(image, mask):
image, mask = check_image_mask(image, mask, 'BrushNet')
print("BrushNet image.shape =", image.shape, "mask.shape =", mask.shape)
if mask.shape[2] != image.shape[2] or mask.shape[1] != image.shape[1]:
raise Exception("Image and mask should be the same size")
# As a suggestion of inferno46n2 (https://github.com/nullquant/ComfyUI-BrushNet/issues/64)
mask = mask.round()
masked_image = image * (1.0 - mask[:,:,:,None])
return (masked_image, mask)
# Get origin of the mask
def cut_with_mask(mask, width, height):
iy, ix = (mask == 1).nonzero(as_tuple=True)
h0, w0 = mask.shape
if iy.numel() == 0:
x_c = w0 / 2.0
y_c = h0 / 2.0
else:
x_min = ix.min().item()
x_max = ix.max().item()
y_min = iy.min().item()
y_max = iy.max().item()
if x_max - x_min > width or y_max - y_min > height:
raise Exception("Masked area is bigger than provided dimensions")
x_c = (x_min + x_max) / 2.0
y_c = (y_min + y_max) / 2.0
width2 = width / 2.0
height2 = height / 2.0
if w0 <= width:
x0 = 0
w = w0
else:
x0 = max(0, x_c - width2)
w = width
if x0 + width > w0:
x0 = w0 - width
if h0 <= height:
y0 = 0
h = h0
else:
y0 = max(0, y_c - height2)
h = height
if y0 + height > h0:
y0 = h0 - height
return (int(x0), int(y0), int(w), int(h))
# Prepare conditioning_latents
@torch.inference_mode()
def get_image_latents(masked_image, mask, vae, scaling_factor):
processed_image = masked_image.to(vae.device)
image_latents = vae.encode(processed_image[:,:,:,:3]) * scaling_factor
processed_mask = 1. - mask[:,None,:,:]
interpolated_mask = torch.nn.functional.interpolate(
processed_mask,
size=(
image_latents.shape[-2],
image_latents.shape[-1]
)
)
interpolated_mask = interpolated_mask.to(image_latents.device)
conditioning_latents = [image_latents, interpolated_mask]
print('BrushNet CL: image_latents shape =', image_latents.shape, 'interpolated_mask shape =', interpolated_mask.shape)
return conditioning_latents
# Main function where magic happens
@torch.inference_mode()
def brushnet_inference(x, timesteps, transformer_options, debug):
if 'model_patch' not in transformer_options:
print('BrushNet inference: there is no model_patch key in transformer_options')
return ([], 0, [])
mp = transformer_options['model_patch']
if 'brushnet' not in mp:
print('BrushNet inference: there is no brushnet key in mdel_patch')
return ([], 0, [])
bo = mp['brushnet']
if 'model' not in bo:
print('BrushNet inference: there is no model key in brushnet')
return ([], 0, [])
brushnet = bo['model']
if not (isinstance(brushnet, BrushNetModel) or isinstance(brushnet, PowerPaintModel)):
print('BrushNet model is not a BrushNetModel class')
return ([], 0, [])
torch_dtype = bo['dtype']
cl_list = bo['latents']
brushnet_conditioning_scale, control_guidance_start, control_guidance_end = bo['controls']
pe = bo['prompt_embeds']
npe = bo['negative_prompt_embeds']
ppe, nppe, time_ids = bo['add_embeds']
#do_classifier_free_guidance = mp['free_guidance']
do_classifier_free_guidance = len(transformer_options['cond_or_uncond']) > 1
x = x.detach().clone()
x = x.to(torch_dtype).to(brushnet.device)
timesteps = timesteps.detach().clone()
timesteps = timesteps.to(torch_dtype).to(brushnet.device)
total_steps = mp['total_steps']
step = mp['step']
added_cond_kwargs = {}
if do_classifier_free_guidance and step == 0:
print('BrushNet inference: do_classifier_free_guidance is True')
sub_idx = None
if 'ad_params' in transformer_options and 'sub_idxs' in transformer_options['ad_params']:
sub_idx = transformer_options['ad_params']['sub_idxs']
# we have batch input images
batch = cl_list[0].shape[0]
# we have incoming latents
latents_incoming = x.shape[0]
# and we already got some
latents_got = bo['latent_id']
if step == 0 or batch > 1:
print('BrushNet inference, step = %d: image batch = %d, got %d latents, starting from %d' \
% (step, batch, latents_incoming, latents_got))
image_latents = []
masks = []
prompt_embeds = []
negative_prompt_embeds = []
pooled_prompt_embeds = []
negative_pooled_prompt_embeds = []
if sub_idx:
# AnimateDiff indexes detected
if step == 0:
print('BrushNet inference: AnimateDiff indexes detected and applied')
batch = len(sub_idx)
if do_classifier_free_guidance:
for i in sub_idx:
image_latents.append(cl_list[0][i][None,:,:,:])
masks.append(cl_list[1][i][None,:,:,:])
prompt_embeds.append(pe)
negative_prompt_embeds.append(npe)
pooled_prompt_embeds.append(ppe)
negative_pooled_prompt_embeds.append(nppe)
for i in sub_idx:
image_latents.append(cl_list[0][i][None,:,:,:])
masks.append(cl_list[1][i][None,:,:,:])
else:
for i in sub_idx:
image_latents.append(cl_list[0][i][None,:,:,:])
masks.append(cl_list[1][i][None,:,:,:])
prompt_embeds.append(pe)
pooled_prompt_embeds.append(ppe)
else:
# do_classifier_free_guidance = 2 passes, 1st pass is cond, 2nd is uncond
continue_batch = True
for i in range(latents_incoming):
number = latents_got + i
if number < batch:
# 1st pass, cond
image_latents.append(cl_list[0][number][None,:,:,:])
masks.append(cl_list[1][number][None,:,:,:])
prompt_embeds.append(pe)
pooled_prompt_embeds.append(ppe)
elif do_classifier_free_guidance and number < batch * 2:
# 2nd pass, uncond
image_latents.append(cl_list[0][number-batch][None,:,:,:])
masks.append(cl_list[1][number-batch][None,:,:,:])
negative_prompt_embeds.append(npe)
negative_pooled_prompt_embeds.append(nppe)
else:
# latent batch
image_latents.append(cl_list[0][0][None,:,:,:])
masks.append(cl_list[1][0][None,:,:,:])
prompt_embeds.append(pe)
pooled_prompt_embeds.append(ppe)
latents_got = -i
continue_batch = False
if continue_batch:
# we don't have full batch yet
if do_classifier_free_guidance:
if number < batch * 2 - 1:
bo['latent_id'] = number + 1
else:
bo['latent_id'] = 0
else:
if number < batch - 1:
bo['latent_id'] = number + 1
else:
bo['latent_id'] = 0
else:
bo['latent_id'] = 0
cl = []
for il, m in zip(image_latents, masks):
cl.append(torch.concat([il, m], dim=1))
cl2apply = torch.concat(cl, dim=0)
conditioning_latents = cl2apply.to(torch_dtype).to(brushnet.device)
prompt_embeds.extend(negative_prompt_embeds)
prompt_embeds = torch.concat(prompt_embeds, dim=0).to(torch_dtype).to(brushnet.device)
if ppe is not None:
added_cond_kwargs = {}
added_cond_kwargs['time_ids'] = torch.concat([time_ids] * latents_incoming, dim = 0).to(torch_dtype).to(brushnet.device)
pooled_prompt_embeds.extend(negative_pooled_prompt_embeds)
pooled_prompt_embeds = torch.concat(pooled_prompt_embeds, dim=0).to(torch_dtype).to(brushnet.device)
added_cond_kwargs['text_embeds'] = pooled_prompt_embeds
else:
added_cond_kwargs = None
if x.shape[2] != conditioning_latents.shape[2] or x.shape[3] != conditioning_latents.shape[3]:
if step == 0:
print('BrushNet inference: image', conditioning_latents.shape, 'and latent', x.shape, 'have different size, resizing image')
conditioning_latents = torch.nn.functional.interpolate(
conditioning_latents, size=(
x.shape[2],
x.shape[3],
), mode='bicubic',
).to(torch_dtype).to(brushnet.device)
if step == 0:
print('BrushNet inference: sample', x.shape, ', CL', conditioning_latents.shape, 'dtype', torch_dtype)
if debug: print('BrushNet: step =', step)
if step < control_guidance_start or step > control_guidance_end:
cond_scale = 0.0
else:
cond_scale = brushnet_conditioning_scale
return brushnet(x,
encoder_hidden_states=prompt_embeds,
brushnet_cond=conditioning_latents,
timestep = timesteps,
conditioning_scale=cond_scale,
guess_mode=False,
added_cond_kwargs=added_cond_kwargs,
return_dict=False,
debug=debug,
)
# This is main patch function
def add_brushnet_patch(model, brushnet, torch_dtype, conditioning_latents,
controls,
prompt_embeds, negative_prompt_embeds,
pooled_prompt_embeds, negative_pooled_prompt_embeds, time_ids,
debug):
is_SDXL = isinstance(model.model.model_config, comfy.supported_models.SDXL)
if is_SDXL:
input_blocks = [[0, comfy.ops.disable_weight_init.Conv2d],
[1, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[2, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[3, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
[4, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.attention.SpatialTransformer],
[6, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
[7, comfy.ldm.modules.attention.SpatialTransformer],
[8, comfy.ldm.modules.attention.SpatialTransformer]]
middle_block = [0, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock]
output_blocks = [[0, comfy.ldm.modules.attention.SpatialTransformer],
[1, comfy.ldm.modules.attention.SpatialTransformer],
[2, comfy.ldm.modules.attention.SpatialTransformer],
[2, comfy.ldm.modules.diffusionmodules.openaimodel.Upsample],
[3, comfy.ldm.modules.attention.SpatialTransformer],
[4, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.diffusionmodules.openaimodel.Upsample],
[6, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[7, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[8, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock]]
else:
input_blocks = [[0, comfy.ops.disable_weight_init.Conv2d],
[1, comfy.ldm.modules.attention.SpatialTransformer],
[2, comfy.ldm.modules.attention.SpatialTransformer],
[3, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
[4, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.attention.SpatialTransformer],
[6, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
[7, comfy.ldm.modules.attention.SpatialTransformer],
[8, comfy.ldm.modules.attention.SpatialTransformer],
[9, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
[10, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[11, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock]]
middle_block = [0, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock]
output_blocks = [[0, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[1, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[2, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[2, comfy.ldm.modules.diffusionmodules.openaimodel.Upsample],
[3, comfy.ldm.modules.attention.SpatialTransformer],
[4, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.attention.SpatialTransformer],
[5, comfy.ldm.modules.diffusionmodules.openaimodel.Upsample],
[6, comfy.ldm.modules.attention.SpatialTransformer],
[7, comfy.ldm.modules.attention.SpatialTransformer],
[8, comfy.ldm.modules.attention.SpatialTransformer],
[8, comfy.ldm.modules.diffusionmodules.openaimodel.Upsample],
[9, comfy.ldm.modules.attention.SpatialTransformer],
[10, comfy.ldm.modules.attention.SpatialTransformer],
[11, comfy.ldm.modules.attention.SpatialTransformer]]
def last_layer_index(block, tp):
layer_list = []
for layer in block:
layer_list.append(type(layer))
layer_list.reverse()
if tp not in layer_list:
return -1, layer_list.reverse()
return len(layer_list) - 1 - layer_list.index(tp), layer_list