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# modified from https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/attention_processor.py | |
import torch | |
import torch.nn as nn | |
import torch.nn.functional as F | |
from diffusers.models.lora import LoRACompatibleLinear | |
from diffusers.models.lora import LoRALinearLayer,LoRAConv2dLayer | |
from einops import rearrange | |
from diffusers.models.transformer_2d import Transformer2DModel | |
class AttnProcessor(nn.Module): | |
r""" | |
Default processor for performing attention-related computations. | |
""" | |
def __init__( | |
self, | |
hidden_size=None, | |
cross_attention_dim=None, | |
): | |
super().__init__() | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
query = attn.head_to_batch_dim(query) | |
key = attn.head_to_batch_dim(key) | |
value = attn.head_to_batch_dim(value) | |
attention_probs = attn.get_attention_scores(query, key, attention_mask) | |
hidden_states = torch.bmm(attention_probs, value) | |
hidden_states = attn.batch_to_head_dim(hidden_states) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor(nn.Module): | |
r""" | |
Attention processor for IP-Adapater. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
query = attn.head_to_batch_dim(query) | |
key = attn.head_to_batch_dim(key) | |
value = attn.head_to_batch_dim(value) | |
attention_probs = attn.get_attention_scores(query, key, attention_mask) | |
hidden_states = torch.bmm(attention_probs, value) | |
hidden_states = attn.batch_to_head_dim(hidden_states) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = attn.head_to_batch_dim(ip_key) | |
ip_value = attn.head_to_batch_dim(ip_value) | |
ip_attention_probs = attn.get_attention_scores(query, ip_key, None) | |
ip_hidden_states = torch.bmm(ip_attention_probs, ip_value) | |
ip_hidden_states = attn.batch_to_head_dim(ip_hidden_states) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class AttnProcessor2_0(torch.nn.Module): | |
r""" | |
Processor for implementing scaled dot-product attention (enabled by default if you're using PyTorch 2.0). | |
""" | |
def __init__( | |
self, | |
hidden_size=None, | |
cross_attention_dim=None, | |
): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
scale= 1.0, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
# args = (scale, ) | |
args = () | |
query = attn.to_q(hidden_states, *args) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states, *args) | |
value = attn.to_v(encoder_hidden_states, *args) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states, *args) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class AttnProcessor2_0_attn(torch.nn.Module): | |
r""" | |
Processor for implementing scaled dot-product attention (enabled by default if you're using PyTorch 2.0). | |
""" | |
def __init__( | |
self, | |
hidden_size=None, | |
cross_attention_dim=None, | |
): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
is_cloth_pass=False, | |
cloth = None, | |
up_cnt=None, | |
mid_cnt=None, | |
down_cnt=None, | |
inside_up=None, | |
inside_down=None, | |
cloth_text=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class AttnProcessor2_0_Lora(torch.nn.Module): | |
r""" | |
Processor for implementing scaled dot-product attention (enabled by default if you're using PyTorch 2.0). | |
""" | |
def __init__( | |
self, | |
scale_lora =1.0, | |
hidden_size=None, | |
cross_attention_dim=None, | |
): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.scale_lora = scale_lora | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
if hasattr(attn,'q_lora'): | |
query = attn.to_q(hidden_states) | |
q_lora = attn.q_lora(hidden_states) | |
query = query + self.scale_lora * q_lora | |
else: | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
if hasattr(attn,'k_lora'): | |
key = attn.to_k(hidden_states) | |
k_lora = attn.k_lora(hidden_states) | |
key = key + self.scale_lora * k_lora | |
else: | |
key = attn.to_k(hidden_states) | |
if hasattr(attn,'v_lora'): | |
value = attn.to_v(encoder_hidden_states) | |
v_lora = attn.v_lora(hidden_states) | |
value = value + self.scale_lora * v_lora | |
else: | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
if hasattr(attn,'out_lora'): | |
hidden_states = attn.to_out[0](hidden_states) | |
out_lora = attn.out_lora(hidden_states) | |
hidden_states = hidden_states+ self.scale_lora*out_lora | |
else: | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor_clothpass_noip(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
is_cloth_pass=False, | |
cloth = None, | |
up_cnt=None, | |
mid_cnt=None, | |
down_cnt=None, | |
inside=None, | |
): | |
if is_cloth_pass or up_cnt is None: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
else: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
print('!!!!attention_mask is not NoNE!!!!') | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
# print(up_cnt*3 + inside) | |
cloth_feature = cloth[up_cnt*3 + inside-1] | |
cloth_feature = rearrange(cloth_feature, "b c h w -> b (h w) c").contiguous() | |
# print(cloth_feature.shape) | |
# print(self.hidden_size) | |
c_key = self.to_k_c(cloth_feature) | |
c_value = self.to_v_c(cloth_feature) | |
c_key = c_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
c_value = c_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# print(ip_value.shape) | |
#$$ attn_mask? | |
hidden_states_cloth = F.scaled_dot_product_attention( | |
query, c_key, c_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
hidden_states_cloth = hidden_states_cloth.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states_cloth = hidden_states_cloth.to(query.dtype) | |
hidden_states = hidden_states + self.scale * hidden_states_cloth | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor_clothpass(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
is_cloth_pass=False, | |
cloth = None, | |
up_cnt=None, | |
mid_cnt=None, | |
down_cnt=None, | |
inside=None, | |
): | |
if is_cloth_pass : | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
elif up_cnt is None: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
else: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
print('!!!!attention_mask is not NoNE!!!!') | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
# print(up_cnt*3 + inside) | |
cloth_feature = cloth[up_cnt*3 + inside-1] | |
cloth_feature = rearrange(cloth_feature, "b c h w -> b (h w) c").contiguous() | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
c_key = self.to_k_c(cloth_feature) | |
c_value = self.to_v_c(cloth_feature) | |
c_key = c_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
c_value = c_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_hidden_states = F.scaled_dot_product_attention( | |
ip_hidden_states, c_key, c_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor_clothpass_extend(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
is_cloth_pass=False, | |
cloth = None, | |
up_cnt=None, | |
mid_cnt=None, | |
down_cnt=None, | |
inside_up=None, | |
inside_down=None, | |
): | |
if is_cloth_pass : | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
# elif up_cnt is None or down_cnt is None: | |
# residual = hidden_states | |
# if attn.spatial_norm is not None: | |
# hidden_states = attn.spatial_norm(hidden_states, temb) | |
# input_ndim = hidden_states.ndim | |
# if input_ndim == 4: | |
# batch_size, channel, height, width = hidden_states.shape | |
# hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
# batch_size, sequence_length, _ = ( | |
# hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
# ) | |
# if attention_mask is not None: | |
# attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# # scaled_dot_product_attention expects attention_mask shape to be | |
# # (batch, heads, source_length, target_length) | |
# attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
# if attn.group_norm is not None: | |
# hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
# query = attn.to_q(hidden_states) | |
# if encoder_hidden_states is None: | |
# encoder_hidden_states = hidden_states | |
# else: | |
# # get encoder_hidden_states, ip_hidden_states | |
# end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
# encoder_hidden_states, ip_hidden_states = ( | |
# encoder_hidden_states[:, :end_pos, :], | |
# encoder_hidden_states[:, end_pos:, :], | |
# ) | |
# if attn.norm_cross: | |
# encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
# key = attn.to_k(encoder_hidden_states) | |
# value = attn.to_v(encoder_hidden_states) | |
# inner_dim = key.shape[-1] | |
# head_dim = inner_dim // attn.heads | |
# query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# # the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# # TODO: add support for attn.scale when we move to Torch 2.1 | |
# hidden_states = F.scaled_dot_product_attention( | |
# query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
# ) | |
# hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
# hidden_states = hidden_states.to(query.dtype) | |
# # for ip-adapter | |
# ip_key = self.to_k_ip(ip_hidden_states) | |
# ip_value = self.to_v_ip(ip_hidden_states) | |
# ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# # the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# # TODO: add support for attn.scale when we move to Torch 2.1 | |
# ip_hidden_states = F.scaled_dot_product_attention( | |
# query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
# ) | |
# ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
# ip_hidden_states = ip_hidden_states.to(query.dtype) | |
# hidden_states = hidden_states + self.scale * ip_hidden_states | |
# # linear proj | |
# hidden_states = attn.to_out[0](hidden_states) | |
# # dropout | |
# hidden_states = attn.to_out[1](hidden_states) | |
# if input_ndim == 4: | |
# hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
# if attn.residual_connection: | |
# hidden_states = hidden_states + residual | |
# hidden_states = hidden_states / attn.rescale_output_factor | |
# return hidden_states | |
elif down_cnt is not None or up_cnt is not None or mid_cnt is not None: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
print('!!!!attention_mask is not NoNE!!!!') | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# # for ip-adapter | |
# print(self.hidden_size) | |
# # print(up_cnt*3 + inside) | |
# print(inside_down) | |
cloth_feature = cloth[inside_down] | |
# print(cloth_feature.shape) | |
# if down_cnt is not None: | |
# # print("up_index") | |
# cloth_feature = cloth[down_cnt*3 + inside_down+1] | |
# # print(up_cnt*3 + inside_up) | |
# elif mid_cnt is not None: | |
# cloth_feature = cloth[9] | |
# else: | |
# cloth_feature = cloth[11+up_cnt*3 + inside_up] | |
# print("down_index") | |
# print(down_cnt*3 + inside_down) | |
cloth_feature = rearrange(cloth_feature, "b c h w -> b (h w) c").contiguous() | |
# print(cloth_feature.shape) | |
# print(self.hidden_size) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
c_key = self.to_k_c(cloth_feature) | |
c_value = self.to_v_c(cloth_feature) | |
c_key = c_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
c_value = c_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_hidden_states = F.scaled_dot_product_attention( | |
ip_hidden_states, c_key, c_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
else: | |
assert(False) | |
class IPAttnProcessorMulti2_0_2(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
is_cloth_pass=False, | |
cloth = None, | |
up_cnt=None, | |
mid_cnt=None, | |
down_cnt=None, | |
inside=None, | |
cloth_text=None, | |
): | |
if is_cloth_pass or up_cnt is None: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
else: | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
# print(up_cnt) | |
# print("hidden_states.shape") | |
# print(hidden_states.shape) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
# print(up_cnt*3 + inside) | |
cloth_feature = cloth[up_cnt*3 + inside-1] | |
cloth_feature = rearrange(cloth_feature, "b c h w -> b (h w) c").contiguous() | |
# print(cloth_feature.shape) | |
# print(self.hidden_size) | |
# print("cloth_feature.shape") | |
# print(cloth_feature.shape) | |
query_cloth = self.q_additional(cloth_feature) | |
query_cloth = query_cloth.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_key = self.to_k_ip(cloth_text) | |
ip_value = self.to_v_ip(cloth_text) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# print(ip_value.shape) | |
#$$ attn_mask? | |
hidden_states_cloth = F.scaled_dot_product_attention( | |
query_cloth, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
hidden_states_cloth = hidden_states_cloth.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states_cloth = hidden_states_cloth.to(query.dtype) | |
ip_key = self.k_additional(hidden_states_cloth) | |
ip_value = self.v_additional(hidden_states_cloth) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor2_0_paint(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
if cross_attention_dim==None: | |
print("cross_attention_dim is none") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
elif attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# ####### | |
# # for ip-adapter | |
ip_key = self.to_k_ip(encoder_hidden_states) | |
ip_value = self.to_v_ip(encoder_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# ####### | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor2_0_variant(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
# hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
# hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
hidden_states, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
with torch.no_grad(): | |
self.attn_map = query @ ip_key.transpose(-2, -1).softmax(dim=-1) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor2_0(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
scale=1.0 | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
# args = (scale, ) | |
args = () | |
query = attn.to_q(hidden_states, *args) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states, *args) | |
value = attn.to_v(encoder_hidden_states, *args) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
with torch.no_grad(): | |
self.attn_map = query @ ip_key.transpose(-2, -1).softmax(dim=-1) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states, *args) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor_referencenet_2_0(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, num_tokens=4,attn_head_dim=10): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.num_tokens = num_tokens | |
self.attn_head_dim=attn_head_dim | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
with torch.no_grad(): | |
self.attn_map = query @ ip_key.transpose(-2, -1).softmax(dim=-1) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class IPAttnProcessor2_0_Lora(torch.nn.Module): | |
r""" | |
Attention processor for IP-Adapater for PyTorch 2.0. | |
Args: | |
hidden_size (`int`): | |
The hidden size of the attention layer. | |
cross_attention_dim (`int`): | |
The number of channels in the `encoder_hidden_states`. | |
scale (`float`, defaults to 1.0): | |
the weight scale of image prompt. | |
num_tokens (`int`, defaults to 4 when do ip_adapter_plus it should be 16): | |
The context length of the image features. | |
""" | |
def __init__(self, hidden_size, cross_attention_dim=None, scale=1.0, scale_lora=1.0, rank = 4,num_tokens=4): | |
super().__init__() | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.hidden_size = hidden_size | |
self.cross_attention_dim = cross_attention_dim | |
self.scale = scale | |
self.scale_lora = scale_lora | |
self.num_tokens = num_tokens | |
self.to_k_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_v_ip = nn.Linear(cross_attention_dim or hidden_size, hidden_size, bias=False) | |
self.to_k_ip_lora = LoRALinearLayer(in_features=self.to_k_ip.in_features, out_features=self.to_k_ip.out_features, rank=rank) | |
self.to_v_ip_lora =LoRALinearLayer(in_features=self.to_v_ip.in_features, out_features=self.to_v_ip.out_features, rank=rank) | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
if hasattr(attn,'q_lora'): | |
query = attn.to_q(hidden_states) | |
q_lora = attn.q_lora(hidden_states) | |
query = query + self.scale_lora * q_lora | |
else: | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
# get encoder_hidden_states, ip_hidden_states | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states, ip_hidden_states = ( | |
encoder_hidden_states[:, :end_pos, :], | |
encoder_hidden_states[:, end_pos:, :], | |
) | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
if hasattr(attn,'k_lora'): | |
key = attn.to_k(encoder_hidden_states) | |
k_lora = attn.k_lora(encoder_hidden_states) | |
key = key + self.scale_lora * k_lora | |
else: | |
key = attn.to_k(encoder_hidden_states) | |
if hasattr(attn,'v_lora'): | |
value = attn.to_v(encoder_hidden_states) | |
v_lora = attn.v_lora(encoder_hidden_states) | |
value = value + self.scale_lora * v_lora | |
else: | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# for ip-adapter | |
ip_key = self.to_k_ip(ip_hidden_states) | |
ip_key_lora = self.to_k_ip_lora(ip_hidden_states) | |
ip_key = ip_key + self.scale_lora * ip_key_lora | |
ip_value = self.to_v_ip(ip_hidden_states) | |
ip_value_lora = self.to_v_ip_lora(ip_hidden_states) | |
ip_value = ip_value + self.scale_lora * ip_value_lora | |
ip_key = ip_key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
ip_value = ip_value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
ip_hidden_states = F.scaled_dot_product_attention( | |
query, ip_key, ip_value, attn_mask=None, dropout_p=0.0, is_causal=False | |
) | |
ip_hidden_states = ip_hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
ip_hidden_states = ip_hidden_states.to(query.dtype) | |
hidden_states = hidden_states + self.scale * ip_hidden_states | |
# linear proj | |
if hasattr(attn,'out_lora'): | |
hidden_states = attn.to_out[0](hidden_states) | |
out_lora = attn.out_lora(hidden_states) | |
hidden_states = hidden_states+ self.scale_lora*out_lora | |
else: | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
## for controlnet | |
class CNAttnProcessor: | |
r""" | |
Default processor for performing attention-related computations. | |
""" | |
def __init__(self, num_tokens=4): | |
self.num_tokens = num_tokens | |
def __call__(self, attn, hidden_states, encoder_hidden_states=None, attention_mask=None, temb=None): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states = encoder_hidden_states[:, :end_pos] # only use text | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
query = attn.head_to_batch_dim(query) | |
key = attn.head_to_batch_dim(key) | |
value = attn.head_to_batch_dim(value) | |
attention_probs = attn.get_attention_scores(query, key, attention_mask) | |
hidden_states = torch.bmm(attention_probs, value) | |
hidden_states = attn.batch_to_head_dim(hidden_states) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |
class CNAttnProcessor2_0: | |
r""" | |
Processor for implementing scaled dot-product attention (enabled by default if you're using PyTorch 2.0). | |
""" | |
def __init__(self, num_tokens=4): | |
if not hasattr(F, "scaled_dot_product_attention"): | |
raise ImportError("AttnProcessor2_0 requires PyTorch 2.0, to use it, please upgrade PyTorch to 2.0.") | |
self.num_tokens = num_tokens | |
def __call__( | |
self, | |
attn, | |
hidden_states, | |
encoder_hidden_states=None, | |
attention_mask=None, | |
temb=None, | |
): | |
residual = hidden_states | |
if attn.spatial_norm is not None: | |
hidden_states = attn.spatial_norm(hidden_states, temb) | |
input_ndim = hidden_states.ndim | |
if input_ndim == 4: | |
batch_size, channel, height, width = hidden_states.shape | |
hidden_states = hidden_states.view(batch_size, channel, height * width).transpose(1, 2) | |
batch_size, sequence_length, _ = ( | |
hidden_states.shape if encoder_hidden_states is None else encoder_hidden_states.shape | |
) | |
if attention_mask is not None: | |
attention_mask = attn.prepare_attention_mask(attention_mask, sequence_length, batch_size) | |
# scaled_dot_product_attention expects attention_mask shape to be | |
# (batch, heads, source_length, target_length) | |
attention_mask = attention_mask.view(batch_size, attn.heads, -1, attention_mask.shape[-1]) | |
if attn.group_norm is not None: | |
hidden_states = attn.group_norm(hidden_states.transpose(1, 2)).transpose(1, 2) | |
query = attn.to_q(hidden_states) | |
if encoder_hidden_states is None: | |
encoder_hidden_states = hidden_states | |
else: | |
end_pos = encoder_hidden_states.shape[1] - self.num_tokens | |
encoder_hidden_states = encoder_hidden_states[:, :end_pos] # only use text | |
if attn.norm_cross: | |
encoder_hidden_states = attn.norm_encoder_hidden_states(encoder_hidden_states) | |
key = attn.to_k(encoder_hidden_states) | |
value = attn.to_v(encoder_hidden_states) | |
inner_dim = key.shape[-1] | |
head_dim = inner_dim // attn.heads | |
query = query.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
key = key.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
value = value.view(batch_size, -1, attn.heads, head_dim).transpose(1, 2) | |
# the output of sdp = (batch, num_heads, seq_len, head_dim) | |
# TODO: add support for attn.scale when we move to Torch 2.1 | |
hidden_states = F.scaled_dot_product_attention( | |
query, key, value, attn_mask=attention_mask, dropout_p=0.0, is_causal=False | |
) | |
hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | |
hidden_states = hidden_states.to(query.dtype) | |
# linear proj | |
hidden_states = attn.to_out[0](hidden_states) | |
# dropout | |
hidden_states = attn.to_out[1](hidden_states) | |
if input_ndim == 4: | |
hidden_states = hidden_states.transpose(-1, -2).reshape(batch_size, channel, height, width) | |
if attn.residual_connection: | |
hidden_states = hidden_states + residual | |
hidden_states = hidden_states / attn.rescale_output_factor | |
return hidden_states | |