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L40S
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import torch
import comfy.model_management
import comfy.conds
import comfy.utils
def prepare_mask(noise_mask, shape, device):
return comfy.utils.reshape_mask(noise_mask, shape).to(device)
def get_models_from_cond(cond, model_type):
models = []
for c in cond:
if model_type in c:
models += [c[model_type]]
return models
def convert_cond(cond):
out = []
for c in cond:
temp = c[1].copy()
model_conds = temp.get("model_conds", {})
if c[0] is not None:
model_conds["c_crossattn"] = comfy.conds.CONDCrossAttn(c[0]) #TODO: remove
temp["cross_attn"] = c[0]
temp["model_conds"] = model_conds
out.append(temp)
return out
def get_additional_models(conds, dtype):
"""loads additional models in conditioning"""
cnets = []
gligen = []
for k in conds:
cnets += get_models_from_cond(conds[k], "control")
gligen += get_models_from_cond(conds[k], "gligen")
control_nets = set(cnets)
inference_memory = 0
control_models = []
for m in control_nets:
control_models += m.get_models()
inference_memory += m.inference_memory_requirements(dtype)
gligen = [x[1] for x in gligen]
models = control_models + gligen
return models, inference_memory
def cleanup_additional_models(models):
"""cleanup additional models that were loaded"""
for m in models:
if hasattr(m, 'cleanup'):
m.cleanup()
def prepare_sampling(model, noise_shape, conds):
device = model.load_device
real_model = None
models, inference_memory = get_additional_models(conds, model.model_dtype())
memory_required = model.memory_required([noise_shape[0] * 2] + list(noise_shape[1:])) + inference_memory
minimum_memory_required = model.memory_required([noise_shape[0]] + list(noise_shape[1:])) + inference_memory
comfy.model_management.load_models_gpu([model] + models, memory_required=memory_required, minimum_memory_required=minimum_memory_required)
real_model = model.model
return real_model, conds, models
def cleanup_models(conds, models):
cleanup_additional_models(models)
control_cleanup = []
for k in conds:
control_cleanup += get_models_from_cond(conds[k], "control")
cleanup_additional_models(set(control_cleanup))
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