ComfyUI/comfy_extras/nodes_latent.py

285 lines
9.0 KiB
Python

import comfy.utils
import torch
def reshape_latent_to(target_shape, latent):
if latent.shape[1:] != target_shape[1:]:
latent = comfy.utils.common_upscale(latent, target_shape[3], target_shape[2], "bilinear", "center")
return comfy.utils.repeat_to_batch_size(latent, target_shape[0])
class LatentAdd:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples1": ("LATENT",), "samples2": ("LATENT",)}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced"
def op(self, samples1, samples2):
samples_out = samples1.copy()
s1 = samples1["samples"]
s2 = samples2["samples"]
s2 = reshape_latent_to(s1.shape, s2)
samples_out["samples"] = s1 + s2
return (samples_out,)
class LatentSubtract:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples1": ("LATENT",), "samples2": ("LATENT",)}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced"
def op(self, samples1, samples2):
samples_out = samples1.copy()
s1 = samples1["samples"]
s2 = samples2["samples"]
s2 = reshape_latent_to(s1.shape, s2)
samples_out["samples"] = s1 - s2
return (samples_out,)
class LatentMultiply:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples": ("LATENT",),
"multiplier": ("FLOAT", {"default": 1.0, "min": -10.0, "max": 10.0, "step": 0.01}),
}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced"
def op(self, samples, multiplier):
samples_out = samples.copy()
s1 = samples["samples"]
samples_out["samples"] = s1 * multiplier
return (samples_out,)
class LatentInterpolate:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples1": ("LATENT",),
"samples2": ("LATENT",),
"ratio": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced"
def op(self, samples1, samples2, ratio):
samples_out = samples1.copy()
s1 = samples1["samples"]
s2 = samples2["samples"]
s2 = reshape_latent_to(s1.shape, s2)
m1 = torch.linalg.vector_norm(s1, dim=(1))
m2 = torch.linalg.vector_norm(s2, dim=(1))
s1 = torch.nan_to_num(s1 / m1)
s2 = torch.nan_to_num(s2 / m2)
t = (s1 * ratio + s2 * (1.0 - ratio))
mt = torch.linalg.vector_norm(t, dim=(1))
st = torch.nan_to_num(t / mt)
samples_out["samples"] = st * (m1 * ratio + m2 * (1.0 - ratio))
return (samples_out,)
class LatentBatch:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples1": ("LATENT",), "samples2": ("LATENT",)}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "batch"
CATEGORY = "latent/batch"
def batch(self, samples1, samples2):
samples_out = samples1.copy()
s1 = samples1["samples"]
s2 = samples2["samples"]
if s1.shape[1:] != s2.shape[1:]:
s2 = comfy.utils.common_upscale(s2, s1.shape[3], s1.shape[2], "bilinear", "center")
s = torch.cat((s1, s2), dim=0)
samples_out["samples"] = s
samples_out["batch_index"] = samples1.get("batch_index", [x for x in range(0, s1.shape[0])]) + samples2.get("batch_index", [x for x in range(0, s2.shape[0])])
return (samples_out,)
class LatentBatchSeedBehavior:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples": ("LATENT",),
"seed_behavior": (["random", "fixed"],{"default": "fixed"}),}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced"
def op(self, samples, seed_behavior):
samples_out = samples.copy()
latent = samples["samples"]
if seed_behavior == "random":
if 'batch_index' in samples_out:
samples_out.pop('batch_index')
elif seed_behavior == "fixed":
batch_number = samples_out.get("batch_index", [0])[0]
samples_out["batch_index"] = [batch_number] * latent.shape[0]
return (samples_out,)
class LatentApplyOperation:
@classmethod
def INPUT_TYPES(s):
return {"required": { "samples": ("LATENT",),
"operation": ("LATENT_OPERATION",),
}}
RETURN_TYPES = ("LATENT",)
FUNCTION = "op"
CATEGORY = "latent/advanced/operations"
EXPERIMENTAL = True
def op(self, samples, operation):
samples_out = samples.copy()
s1 = samples["samples"]
samples_out["samples"] = operation(latent=s1)
return (samples_out,)
class LatentApplyOperationCFG:
@classmethod
def INPUT_TYPES(s):
return {"required": { "model": ("MODEL",),
"operation": ("LATENT_OPERATION",),
}}
RETURN_TYPES = ("MODEL",)
FUNCTION = "patch"
CATEGORY = "latent/advanced/operations"
EXPERIMENTAL = True
def patch(self, model, operation):
m = model.clone()
def pre_cfg_function(args):
conds_out = args["conds_out"]
if len(conds_out) == 2:
conds_out[0] = operation(latent=(conds_out[0] - conds_out[1])) + conds_out[1]
else:
conds_out[0] = operation(latent=conds_out[0])
return conds_out
m.set_model_sampler_pre_cfg_function(pre_cfg_function)
return (m, )
class LatentOperationTonemapReinhard:
@classmethod
def INPUT_TYPES(s):
return {"required": { "multiplier": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 100.0, "step": 0.01}),
}}
RETURN_TYPES = ("LATENT_OPERATION",)
FUNCTION = "op"
CATEGORY = "latent/advanced/operations"
EXPERIMENTAL = True
def op(self, multiplier):
def tonemap_reinhard(latent, **kwargs):
latent_vector_magnitude = (torch.linalg.vector_norm(latent, dim=(1)) + 0.0000000001)[:,None]
normalized_latent = latent / latent_vector_magnitude
mean = torch.mean(latent_vector_magnitude, dim=(1,2,3), keepdim=True)
std = torch.std(latent_vector_magnitude, dim=(1,2,3), keepdim=True)
top = (std * 5 + mean) * multiplier
#reinhard
latent_vector_magnitude *= (1.0 / top)
new_magnitude = latent_vector_magnitude / (latent_vector_magnitude + 1.0)
new_magnitude *= top
return normalized_latent * new_magnitude
return (tonemap_reinhard,)
class LatentOperationSharpen:
@classmethod
def INPUT_TYPES(s):
return {"required": {
"sharpen_radius": ("INT", {
"default": 9,
"min": 1,
"max": 31,
"step": 1
}),
"sigma": ("FLOAT", {
"default": 1.0,
"min": 0.1,
"max": 10.0,
"step": 0.1
}),
"alpha": ("FLOAT", {
"default": 0.1,
"min": 0.0,
"max": 5.0,
"step": 0.01
}),
}}
RETURN_TYPES = ("LATENT_OPERATION",)
FUNCTION = "op"
CATEGORY = "latent/advanced/operations"
EXPERIMENTAL = True
def op(self, sharpen_radius, sigma, alpha):
def sharpen(latent, **kwargs):
luminance = (torch.linalg.vector_norm(latent, dim=(1)) + 1e-6)[:,None]
normalized_latent = latent / luminance
channels = latent.shape[1]
kernel_size = sharpen_radius * 2 + 1
kernel = comfy_extras.nodes_post_processing.gaussian_kernel(kernel_size, sigma, device=luminance.device)
center = kernel_size // 2
kernel *= alpha * -10
kernel[center, center] = kernel[center, center] - kernel.sum() + 1.0
padded_image = torch.nn.functional.pad(normalized_latent, (sharpen_radius,sharpen_radius,sharpen_radius,sharpen_radius), 'reflect')
sharpened = torch.nn.functional.conv2d(padded_image, kernel.repeat(channels, 1, 1).unsqueeze(1), padding=kernel_size // 2, groups=channels)[:,:,sharpen_radius:-sharpen_radius, sharpen_radius:-sharpen_radius]
return luminance * sharpened
return (sharpen,)
NODE_CLASS_MAPPINGS = {
"LatentAdd": LatentAdd,
"LatentSubtract": LatentSubtract,
"LatentMultiply": LatentMultiply,
"LatentInterpolate": LatentInterpolate,
"LatentBatch": LatentBatch,
"LatentBatchSeedBehavior": LatentBatchSeedBehavior,
"LatentApplyOperation": LatentApplyOperation,
"LatentApplyOperationCFG": LatentApplyOperationCFG,
"LatentOperationTonemapReinhard": LatentOperationTonemapReinhard,
"LatentOperationSharpen": LatentOperationSharpen,
}