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73 changes: 73 additions & 0 deletions comfy/controlnet.py
Original file line number Diff line number Diff line change
Expand Up @@ -297,6 +297,30 @@ def cleanup(self):
self.model_sampling_current = None
super().cleanup()


class QwenFunControlNet(ControlNet):
def get_control(self, x_noisy, t, cond, batched_number, transformer_options):
# Fun checkpoints are more sensitive to high strengths in the generic
# ControlNet merge path. Use a soft response curve so strength=1.0 stays
# unchanged while >1 grows more gently.
original_strength = self.strength
self.strength = math.sqrt(max(self.strength, 0.0))
try:
return super().get_control(x_noisy, t, cond, batched_number, transformer_options)
finally:
self.strength = original_strength

def pre_run(self, model, percent_to_timestep_function):
super().pre_run(model, percent_to_timestep_function)
self.set_extra_arg("base_model", model.diffusion_model)

def copy(self):
c = QwenFunControlNet(None, global_average_pooling=self.global_average_pooling, load_device=self.load_device, manual_cast_dtype=self.manual_cast_dtype)
c.control_model = self.control_model
c.control_model_wrapped = self.control_model_wrapped
self.copy_to(c)
return c

class ControlLoraOps:
class Linear(torch.nn.Module, comfy.ops.CastWeightBiasOp):
def __init__(self, in_features: int, out_features: int, bias: bool = True,
Expand Down Expand Up @@ -606,6 +630,53 @@ def load_controlnet_qwen_instantx(sd, model_options={}):
control = ControlNet(control_model, compression_ratio=1, latent_format=latent_format, concat_mask=concat_mask, load_device=load_device, manual_cast_dtype=manual_cast_dtype, extra_conds=extra_conds)
return control


def load_controlnet_qwen_fun(sd, model_options={}):
load_device = comfy.model_management.get_torch_device()
weight_dtype = comfy.utils.weight_dtype(sd)
unet_dtype = model_options.get("dtype", weight_dtype)
manual_cast_dtype = comfy.model_management.unet_manual_cast(unet_dtype, load_device)

operations = model_options.get("custom_operations", None)
if operations is None:
operations = comfy.ops.pick_operations(unet_dtype, manual_cast_dtype, disable_fast_fp8=True)

in_features = sd["control_img_in.weight"].shape[1]
inner_dim = sd["control_img_in.weight"].shape[0]

block_weight = sd["control_blocks.0.attn.to_q.weight"]
attention_head_dim = sd["control_blocks.0.attn.norm_q.weight"].shape[0]
num_attention_heads = max(1, block_weight.shape[0] // max(1, attention_head_dim))

model = comfy.ldm.qwen_image.controlnet.QwenImageFunControlNetModel(
control_in_features=in_features,
inner_dim=inner_dim,
num_attention_heads=num_attention_heads,
attention_head_dim=attention_head_dim,
num_control_blocks=5,
main_model_double=60,
injection_layers=(0, 12, 24, 36, 48),
operations=operations,
device=comfy.model_management.unet_offload_device(),
dtype=unet_dtype,
)
model = controlnet_load_state_dict(model, sd)

latent_format = comfy.latent_formats.Wan21()
control = QwenFunControlNet(
model,
compression_ratio=1,
latent_format=latent_format,
# Fun checkpoints already expect their own 33-channel context handling.
# Enabling generic concat_mask injects an extra mask channel at apply-time
# and breaks the intended fallback packing path.
concat_mask=False,
load_device=load_device,
manual_cast_dtype=manual_cast_dtype,
extra_conds=[],
)
return control

def convert_mistoline(sd):
return comfy.utils.state_dict_prefix_replace(sd, {"single_controlnet_blocks.": "controlnet_single_blocks."})

Expand Down Expand Up @@ -683,6 +754,8 @@ def load_controlnet_state_dict(state_dict, model=None, model_options={}):
return load_controlnet_qwen_instantx(controlnet_data, model_options=model_options)
elif "controlnet_x_embedder.weight" in controlnet_data:
return load_controlnet_flux_instantx(controlnet_data, model_options=model_options)
elif "control_blocks.0.after_proj.weight" in controlnet_data and "control_img_in.weight" in controlnet_data:
return load_controlnet_qwen_fun(controlnet_data, model_options=model_options)

elif "controlnet_blocks.0.linear.weight" in controlnet_data: #mistoline flux
return load_controlnet_flux_xlabs_mistoline(convert_mistoline(controlnet_data), mistoline=True, model_options=model_options)
Expand Down
2 changes: 2 additions & 0 deletions comfy/ldm/flux/layers.py
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@

from .math import attention, rope

# Fix import for some custom nodes, TODO: delete eventually.
RMSNorm = None

class EmbedND(nn.Module):
def __init__(self, dim: int, theta: int, axes_dim: list):
Expand Down
190 changes: 190 additions & 0 deletions comfy/ldm/qwen_image/controlnet.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,196 @@
import math

from .model import QwenImageTransformer2DModel
from .model import QwenImageTransformerBlock


class QwenImageFunControlBlock(QwenImageTransformerBlock):
def __init__(self, dim, num_attention_heads, attention_head_dim, has_before_proj=False, dtype=None, device=None, operations=None):
super().__init__(
dim=dim,
num_attention_heads=num_attention_heads,
attention_head_dim=attention_head_dim,
dtype=dtype,
device=device,
operations=operations,
)
self.has_before_proj = has_before_proj
if has_before_proj:
self.before_proj = operations.Linear(dim, dim, device=device, dtype=dtype)
self.after_proj = operations.Linear(dim, dim, device=device, dtype=dtype)


class QwenImageFunControlNetModel(torch.nn.Module):
def __init__(
self,
control_in_features=132,
inner_dim=3072,
num_attention_heads=24,
attention_head_dim=128,
num_control_blocks=5,
main_model_double=60,
injection_layers=(0, 12, 24, 36, 48),
dtype=None,
device=None,
operations=None,
):
super().__init__()
self.dtype = dtype
self.main_model_double = main_model_double
self.injection_layers = tuple(injection_layers)
# Keep base hint scaling at 1.0 so user-facing strength behaves similarly
# to the reference Gen2/VideoX implementation around strength=1.
self.hint_scale = 1.0
self.control_img_in = operations.Linear(control_in_features, inner_dim, device=device, dtype=dtype)

self.control_blocks = torch.nn.ModuleList([])
for i in range(num_control_blocks):
self.control_blocks.append(
QwenImageFunControlBlock(
dim=inner_dim,
num_attention_heads=num_attention_heads,
attention_head_dim=attention_head_dim,
has_before_proj=(i == 0),
dtype=dtype,
device=device,
operations=operations,
)
)

def _process_hint_tokens(self, hint):
if hint is None:
return None
if hint.ndim == 4:
hint = hint.unsqueeze(2)

# Fun checkpoints are trained with 33 latent channels before 2x2 packing:
# [control_latent(16), mask(1), inpaint_latent(16)] -> 132 features.
# Default behavior (no inpaint input in stock Apply ControlNet) should use
# zeros for mask/inpaint branches, matching VideoX fallback semantics.
expected_c = self.control_img_in.weight.shape[1] // 4
if hint.shape[1] == 16 and expected_c == 33:
zeros_mask = torch.zeros_like(hint[:, :1])
zeros_inpaint = torch.zeros_like(hint)
hint = torch.cat([hint, zeros_mask, zeros_inpaint], dim=1)

bs, c, t, h, w = hint.shape
hidden_states = torch.nn.functional.pad(hint, (0, w % 2, 0, h % 2))
orig_shape = hidden_states.shape
hidden_states = hidden_states.view(
orig_shape[0],
orig_shape[1],
orig_shape[-3],
orig_shape[-2] // 2,
2,
orig_shape[-1] // 2,
2,
)
hidden_states = hidden_states.permute(0, 2, 3, 5, 1, 4, 6)
hidden_states = hidden_states.reshape(
bs,
t * ((h + 1) // 2) * ((w + 1) // 2),
c * 4,
)

expected_in = self.control_img_in.weight.shape[1]
cur_in = hidden_states.shape[-1]
if cur_in < expected_in:
pad = torch.zeros(
(hidden_states.shape[0], hidden_states.shape[1], expected_in - cur_in),
device=hidden_states.device,
dtype=hidden_states.dtype,
)
hidden_states = torch.cat([hidden_states, pad], dim=-1)
elif cur_in > expected_in:
hidden_states = hidden_states[:, :, :expected_in]

return hidden_states

def forward(
self,
x,
timesteps,
context,
attention_mask=None,
guidance: torch.Tensor = None,
hint=None,
transformer_options={},
base_model=None,
**kwargs,
):
if base_model is None:
raise RuntimeError("Qwen Fun ControlNet requires a QwenImage base model at runtime.")

encoder_hidden_states_mask = attention_mask
# Keep attention mask disabled inside Fun control blocks to mirror
# VideoX behavior (they rely on seq lengths for RoPE, not masked attention).
encoder_hidden_states_mask = None

hidden_states, img_ids, _ = base_model.process_img(x)
hint_tokens = self._process_hint_tokens(hint)
if hint_tokens is None:
raise RuntimeError("Qwen Fun ControlNet requires a control hint image.")

if hint_tokens.shape[1] != hidden_states.shape[1]:
max_tokens = min(hint_tokens.shape[1], hidden_states.shape[1])
hint_tokens = hint_tokens[:, :max_tokens]
hidden_states = hidden_states[:, :max_tokens]
img_ids = img_ids[:, :max_tokens]

txt_start = round(
max(
((x.shape[-1] + (base_model.patch_size // 2)) // base_model.patch_size) // 2,
((x.shape[-2] + (base_model.patch_size // 2)) // base_model.patch_size) // 2,
)
)
txt_ids = torch.arange(txt_start, txt_start + context.shape[1], device=x.device).reshape(1, -1, 1).repeat(x.shape[0], 1, 3)
ids = torch.cat((txt_ids, img_ids), dim=1)
image_rotary_emb = base_model.pe_embedder(ids).to(x.dtype).contiguous()

hidden_states = base_model.img_in(hidden_states)
encoder_hidden_states = base_model.txt_norm(context)
encoder_hidden_states = base_model.txt_in(encoder_hidden_states)

if guidance is not None:
guidance = guidance * 1000

temb = (
base_model.time_text_embed(timesteps, hidden_states)
if guidance is None
else base_model.time_text_embed(timesteps, guidance, hidden_states)
)

c = self.control_img_in(hint_tokens)

for i, block in enumerate(self.control_blocks):
if i == 0:
c_in = block.before_proj(c) + hidden_states
all_c = []
else:
all_c = list(torch.unbind(c, dim=0))
c_in = all_c.pop(-1)

encoder_hidden_states, c_out = block(
hidden_states=c_in,
encoder_hidden_states=encoder_hidden_states,
encoder_hidden_states_mask=encoder_hidden_states_mask,
temb=temb,
image_rotary_emb=image_rotary_emb,
transformer_options=transformer_options,
)

c_skip = block.after_proj(c_out) * self.hint_scale
all_c += [c_skip, c_out]
c = torch.stack(all_c, dim=0)

hints = torch.unbind(c, dim=0)[:-1]

controlnet_block_samples = [None] * self.main_model_double
for local_idx, base_idx in enumerate(self.injection_layers):
if local_idx < len(hints) and base_idx < len(controlnet_block_samples):
controlnet_block_samples[base_idx] = hints[local_idx]

return {"input": controlnet_block_samples}


class QwenImageControlNetModel(QwenImageTransformer2DModel):
Expand Down
15 changes: 11 additions & 4 deletions comfy/sd1_clip.py
Original file line number Diff line number Diff line change
Expand Up @@ -171,8 +171,9 @@ def reset_clip_options(self):

def process_tokens(self, tokens, device):
end_token = self.special_tokens.get("end", None)
pad_token = self.special_tokens.get("pad", -1)
if end_token is None:
cmp_token = self.special_tokens.get("pad", -1)
cmp_token = pad_token
else:
cmp_token = end_token

Expand All @@ -186,15 +187,21 @@ def process_tokens(self, tokens, device):
other_embeds = []
eos = False
index = 0
left_pad = False
for y in x:
if isinstance(y, numbers.Integral):
if eos:
token = int(y)
if index == 0 and token == pad_token:
left_pad = True

if eos or (left_pad and token == pad_token):
attention_mask.append(0)
else:
attention_mask.append(1)
token = int(y)
left_pad = False

tokens_temp += [token]
if not eos and token == cmp_token:
if not eos and token == cmp_token and not left_pad:
if end_token is None:
attention_mask[-1] = 0
eos = True
Expand Down
8 changes: 1 addition & 7 deletions comfy/text_encoders/ace15.py
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@
def sample_manual_loop_no_classes(
model,
ids=None,
paddings=[],
execution_dtype=None,
cfg_scale: float = 2.0,
temperature: float = 0.85,
Expand All @@ -36,9 +35,6 @@ def sample_manual_loop_no_classes(

embeds, attention_mask, num_tokens, embeds_info = model.process_tokens(ids, device)
embeds_batch = embeds.shape[0]
for i, t in enumerate(paddings):
attention_mask[i, :t] = 0
attention_mask[i, t:] = 1

output_audio_codes = []
past_key_values = []
Expand Down Expand Up @@ -135,13 +131,11 @@ def generate_audio_codes(model, positive, negative, min_tokens=1, max_tokens=102
pos_pad = (len(negative) - len(positive))
positive = [model.special_tokens["pad"]] * pos_pad + positive

paddings = [pos_pad, neg_pad]
ids = [positive, negative]
else:
paddings = []
ids = [positive]

return sample_manual_loop_no_classes(model, ids, paddings, cfg_scale=cfg_scale, temperature=temperature, top_p=top_p, top_k=top_k, min_p=min_p, seed=seed, min_tokens=min_tokens, max_new_tokens=max_tokens)
return sample_manual_loop_no_classes(model, ids, cfg_scale=cfg_scale, temperature=temperature, top_p=top_p, top_k=top_k, min_p=min_p, seed=seed, min_tokens=min_tokens, max_new_tokens=max_tokens)


class ACE15Tokenizer(sd1_clip.SD1Tokenizer):
Expand Down
4 changes: 3 additions & 1 deletion comfy/text_encoders/lt.py
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ def ltxv_te(*args, **kwargs):
class Gemma3_12BTokenizer(sd1_clip.SDTokenizer):
def __init__(self, embedding_directory=None, tokenizer_data={}):
tokenizer = tokenizer_data.get("spiece_model", None)
super().__init__(tokenizer, pad_with_end=False, embedding_size=3840, embedding_key='gemma3_12b', tokenizer_class=SPieceTokenizer, has_end_token=False, pad_to_max_length=False, max_length=99999999, min_length=1, disable_weights=True, tokenizer_args={"add_bos": True, "add_eos": False}, tokenizer_data=tokenizer_data)
super().__init__(tokenizer, pad_with_end=False, embedding_size=3840, embedding_key='gemma3_12b', tokenizer_class=SPieceTokenizer, has_end_token=False, pad_to_max_length=False, max_length=99999999, min_length=512, pad_left=True, disable_weights=True, tokenizer_args={"add_bos": True, "add_eos": False}, tokenizer_data=tokenizer_data)

def state_dict(self):
return {"spiece_model": self.tokenizer.serialize_model()}
Expand Down Expand Up @@ -97,6 +97,7 @@ def encode_token_weights(self, token_weight_pairs):
token_weight_pairs = token_weight_pairs["gemma3_12b"]

out, pooled, extra = self.gemma3_12b.encode_token_weights(token_weight_pairs)
out = out[:, :, -torch.sum(extra["attention_mask"]).item():]
out_device = out.device
if comfy.model_management.should_use_bf16(self.execution_device):
out = out.to(device=self.execution_device, dtype=torch.bfloat16)
Expand Down Expand Up @@ -138,6 +139,7 @@ def memory_estimation_function(self, token_weight_pairs, device=None):

token_weight_pairs = token_weight_pairs.get("gemma3_12b", [])
num_tokens = sum(map(lambda a: len(a), token_weight_pairs))
num_tokens = max(num_tokens, 64)
return num_tokens * constant * 1024 * 1024

def ltxav_te(dtype_llama=None, llama_quantization_metadata=None):
Expand Down
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