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import logging
from os import environ
import modules.scripts as scripts
import gradio as gr
import numpy as np
from collections import OrderedDict
from typing import Union
import agentsd
from modules import script_callbacks, rng, shared
from modules.script_callbacks import CFGDenoiserParams
import torch
logger = logging.getLogger(__name__)
logger.setLevel(environ.get("SD_WEBUI_LOG_LEVEL", logging.INFO))
"""
An implementation of Agent Attention for stable-diffusion-webui: https://github.com/LeapLabTHU/Agent-Attention
@misc{han2023agent,
title={Agent Attention: On the Integration of Softmax and Linear Attention},
author={Dongchen Han and Tianzhu Ye and Yizeng Han and Zhuofan Xia and Shiji Song and Gao Huang},
year={2023},
eprint={2312.08874},
archivePrefix={arXiv},
primaryClass={cs.CV}
}
Author: v0xie
GitHub URL: https://github.com/v0xie/sd-webui-agentattention
"""
# TODO: Refactor parameters into a class
# class PassSettings:
# def __init__(self, sx, sy, ratio, agent_ratio):
# self.sx = sx
# self.sy = sy
# self.ratio = ratio
# self.agent_ratio = agent_ratio
class AgentAttentionExtensionScript(scripts.Script):
# Extension title in menu UI
def title(self):
return "Agent Attention"
# Decide to show menu in txt2img or img2img
def show(self, is_img2img):
return scripts.AlwaysVisible
# Setup menu ui detail
def ui(self, is_img2img):
with gr.Accordion('AgentAttention', open=False):
active = gr.Checkbox(value=False, default=False, label="Active", elem_id='aa_active')
with gr.Row():
hires_fix_only = gr.Checkbox(value=False, default=False, label="Apply to Hires. Fix Only", elem_id = 'aa_hires_fix_only')
use_fp32 = gr.Checkbox(value=False, default=False, label="Use FP32 Precision (for SD2.1)", elem_id = 'aa_use_fp32')
use_sp = gr.Checkbox(value=False, default=False, label="Use Second Pass", elem_id = 'aa_use_sp')
sp_step = gr.Slider(value = 20, minimum = 0, maximum = 100, step = 1, label="Second Pass Step", elem_id = 'aa_sp_step')
max_downsample = gr.Radio(choices=[1,2,4,8], value=1, default=1, label="Max Downsample", elem_id = 'aa_max_downsample', info="For SDXL set to values > 1")
with gr.Accordion('First Pass', open=False):
sx = gr.Slider(value = 4, minimum = 0, maximum = 10, step = 1, label="sx", elem_id = 'aa_sx')
sy = gr.Slider(value = 4, minimum = 0, maximum = 10, step = 1, label="sy", elem_id = 'aa_sy')
ratio = gr.Slider(value = 0.4, minimum = 0.0, maximum = 1.0, step = 0.01, label="Ratio", elem_id = 'aa_ratio')
agent_ratio = gr.Slider(value = 0.95, minimum = 0.0, maximum = 1.0, step = 0.01, label="Agent Ratio", elem_id = 'aa_agent_ratio')
with gr.Accordion('Second Pass', open=False):
sp_sx = gr.Slider(value = 2, minimum = 0, maximum = 10, step = 1, label="sx", elem_id = 'aa_sp_sx')
sp_sy = gr.Slider(value = 2, minimum = 0, maximum = 10, step = 1, label="sy", elem_id = 'aa_sp_sy')
sp_ratio = gr.Slider(value = 0.4, minimum = 0.0, maximum = 1.0, step = 0.01, label="Ratio", elem_id = 'aa_sp_ratio')
sp_agent_ratio = gr.Slider(value = 0.5, minimum = 0.0, maximum = 1.0, step = 0.01, label="Agent Ratio", elem_id = 'aa_sp_agent_ratio')
with gr.Accordion('Advanced', open=False):
btn_remove_patch = gr.Button(value="Remove Patch", elem_id='aa_remove_patch')
btn_remove_patch.click(self.remove_patch)
active.do_not_save_to_config = True
use_sp.do_not_save_to_config = True
sp_step.do_not_save_to_config = True
sx.do_not_save_to_config = True
sy.do_not_save_to_config = True
ratio.do_not_save_to_config = True
agent_ratio.do_not_save_to_config = True
sp_sx.do_not_save_to_config = True
sp_sy.do_not_save_to_config = True
sp_ratio.do_not_save_to_config = True
sp_agent_ratio.do_not_save_to_config = True
use_fp32.do_not_save_to_config = True
max_downsample.do_not_save_to_config = True
hires_fix_only.do_not_save_to_config = True
self.infotext_fields = [
(active, lambda d: gr.Checkbox.update(value='AgAt Active' in d)),
(use_sp, 'AgAt Use Second Pass'),
(sp_step, 'AgAt Second Pass Step'),
(sx, 'AgAt First Pass sx'),
(sy, 'AgAt First Pass sy'),
(ratio, 'AgAt First Pass Ratio'),
(agent_ratio, 'AgAt First Pass Agent Ratio'),
(sp_sx, 'AgAt Second Pass sx'),
(sp_sy, 'AgAt Second Pass sy'),
(sp_ratio, 'AgAt Second Pass Ratio'),
(sp_agent_ratio, 'AgAt Second Pass Agent Ratio'),
(use_fp32, 'AgAt Use FP32 Precision'),
(max_downsample, 'AgAt Max Downsample'),
(hires_fix_only, 'AgAt Apply to Hires. Fix Only'),
]
self.paste_field_names = [
'aa_active',
'aa_use_sp',
'aa_sp_step',
'aa_sx',
'aa_sy',
'aa_ratio',
'aa_agent_ratio',
'aa_sp_sx',
'aa_sp_sy',
'aa_sp_ratio',
'aa_sp_agent_ratio',
'aa_use_fp32',
'aa_max_downsample'
'aa_hires_fix_only'
]
return [active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only]
def before_process_batch(self, p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only, *args, **kwargs):
active = getattr(p, "aa_active", active)
if active is False:
return
hires_fix_only = getattr(p, "aa_hires_fix_only", hires_fix_only)
if hires_fix_only is True:
p.extra_generation_params = {
"AgAt Active": active,
"AgAt Apply to Hires. Fix Only": hires_fix_only,
}
logger.debug('Hires. Fix Only is True, skipping')
return
return self.setup_hook(p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only)
def setup_hook(self, p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only):
active = getattr(p, "aa_active", active)
if active is False:
return
use_sp = getattr(p, "aa_use_sp", use_sp)
sp_step = getattr(p, "aa_sp_step", sp_step)
sx = getattr(p, "aa_sx", sx)
sy = getattr(p, "aa_sy", sy)
ratio = getattr(p, "aa_ratio", ratio)
agent_ratio = getattr(p, "aa_agent_ratio", agent_ratio)
sp_sx = getattr(p, "aa_sp_sx", sp_sx)
sp_sy = getattr(p, "aa_sp_sy", sp_sy)
sp_ratio = getattr(p, "aa_sp_ratio", sp_ratio)
sp_agent_ratio = getattr(p, "aa_sp_agent_ratio", sp_agent_ratio)
use_fp32 = getattr(p, "aa_use_fp32", use_fp32)
max_downsample = getattr(p, "aa_max_downsample", max_downsample)
hires_fix_only = getattr(p, "aa_hires_fix_only", hires_fix_only)
p.extra_generation_params.update({
"AgAt Active": active,
"AgAt Use Second Pass": use_sp,
"AgAt Second Pass Step": sp_step,
"AgAt First Pass sx": sx,
"AgAt First Pass sy": sy,
"AgAt First Pass Ratio": ratio,
"AgAt First Pass Agent Ratio": agent_ratio,
"AgAt Second Pass sx": sp_sx,
"AgAt Second Pass sy": sp_sy,
"AgAt Second Pass Ratio": sp_ratio,
"AgAt Second Pass Agent Ratio": sp_agent_ratio,
"AgAt Use FP32 Precision": use_fp32,
"AgAt Max Downsample": max_downsample,
"AgAt Apply to Hires. Fix Only": hires_fix_only,
})
self.create_hook(p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only)
def create_hook(self, p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only):
# Use lambda to call the callback function with the parameters to avoid global variables
y = lambda params: self.on_cfg_denoiser_callback(params, active=active, use_sp=use_sp, sp_step=sp_step, sx=sx, sy=sy, ratio=ratio, agent_ratio=agent_ratio, sp_sx=sp_sx, sp_sy=sp_sy, sp_ratio=sp_ratio, sp_agent_ratio=sp_agent_ratio, use_fp32=use_fp32, max_downsample=max_downsample, hires_fix_only=hires_fix_only)
logger.debug('Hooked callbacks')
script_callbacks.on_cfg_denoiser(y)
script_callbacks.on_script_unloaded(self.unhook_callbacks)
def postprocess_batch(self, p, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only, *args, **kwargs):
self.unhook_callbacks()
def unhook_callbacks(self):
logger.debug('Unhooked callbacks')
self.remove_patch()
script_callbacks.remove_current_script_callbacks()
def apply_patch(self, sx=2, sy=2, ratio=0.4, agent_ratio=0.95, use_fp32=False, max_downsample=1):
logger.debug('Applied patch with sx: %d, sy: %d, ratio: %f, agent_ratio: %f, use_fp32: %s, max_downsample: %d', sx, sy, ratio, agent_ratio, use_fp32, max_downsample)
agentsd.apply_patch(shared.sd_model, sx=sx, sy=sy, ratio=ratio, agent_ratio=agent_ratio, attn_precision='fp32' if use_fp32 else None, max_downsample=max_downsample)
def remove_patch(self):
logger.debug('Removed patch')
agentsd.remove_patch(shared.sd_model)
def on_cfg_denoiser_callback(self, params: CFGDenoiserParams, active, use_sp, sp_step, sx, sy, ratio, agent_ratio, sp_sx, sp_sy, sp_ratio, sp_agent_ratio, use_fp32, max_downsample, hires_fix_only, *args, **kwargs):
sampling_step = params.sampling_step
if sampling_step == 0:
self.remove_patch()
self.apply_patch(sx=sx, sy=sy, ratio=ratio, agent_ratio=agent_ratio, use_fp32=use_fp32, max_downsample=max_downsample)
if sampling_step == sp_step:
self.remove_patch()
if use_sp:
self.apply_patch(sx=sp_sx, sy=sp_sy, ratio=sp_ratio, agent_ratio=sp_agent_ratio, use_fp32=use_fp32, max_downsample=max_downsample)
def before_hr(self, p, *args, **kwargs):
self.unhook_callbacks()
params = getattr(p, "extra_generation_params", None)
if not params:
logger.error("Missing attribute extra_generation_params")
return
active = params.get("AgAt Active", False)
if active is False:
return
apply_to_hr_pass = params.get("AgAt Apply to Hires. Fix Only", False)
if apply_to_hr_pass is False:
logger.debug("Disabled for hires. fix")
return
self.setup_hook(p, *args, **kwargs)
# XYZ Plot
# Based on @mcmonkey4eva's XYZ Plot implementation here: https://github.com/mcmonkeyprojects/sd-dynamic-thresholding/blob/master/scripts/dynamic_thresholding.py
def aa_apply_override(field, boolean: bool = False):
def fun(p, x, xs):
if boolean:
x = True if x.lower() == "true" else False
setattr(p, field, x)
return fun
def aa_apply_field(field):
def fun(p, x, xs):
if not hasattr(p, "aa_active"):
setattr(p, "aa_active", True)
setattr(p, field, x)
return fun
def make_axis_options():
xyz_grid = [x for x in scripts.scripts_data if x.script_class.__module__ in ('scripts.xyz_grid', 'xyz_grid.py')][0].module
extra_axis_options = {
xyz_grid.AxisOption("[AgentAttention] Active", str, aa_apply_override('aa_active', boolean=True), choices=xyz_grid.boolean_choice(reverse=True)),
xyz_grid.AxisOption("[AgentAttention] Use Second Pass", str, aa_apply_override('aa_use_sp', boolean=True), choices=xyz_grid.boolean_choice(reverse=True)),
xyz_grid.AxisOption("[AgentAttention] Second Pass Step", int, aa_apply_field("aa_sp_step")),
xyz_grid.AxisOption("[AgentAttention] First Pass sx", int, aa_apply_field("aa_sx")),
xyz_grid.AxisOption("[AgentAttention] First Pass sy", int, aa_apply_field("aa_sy")),
xyz_grid.AxisOption("[AgentAttention] First Pass Ratio", float, aa_apply_field("aa_ratio")),
xyz_grid.AxisOption("[AgentAttention] First Pass Agent Ratio", float, aa_apply_field("aa_agent_ratio")),
xyz_grid.AxisOption("[AgentAttention] Second Pass sx", int, aa_apply_field("aa_sp_sx")),
xyz_grid.AxisOption("[AgentAttention] Second Pass sy", int, aa_apply_field("aa_sp_sy")),
xyz_grid.AxisOption("[AgentAttention] Second Pass Ratio", float, aa_apply_field("aa_sp_ratio")),
xyz_grid.AxisOption("[AgentAttention] Second Pass Agent Ratio", float, aa_apply_field("aa_sp_agent_ratio")),
xyz_grid.AxisOption("[AgentAttention] Use FP32", str, aa_apply_override('aa_use_fp32', boolean=True), choices=xyz_grid.boolean_choice(reverse=True)),
xyz_grid.AxisOption("[AgentAttention] Max Downsample", int, aa_apply_field('aa_max_downsample')),
}
if not any("[AgentAttention]" in x.label for x in xyz_grid.axis_options):
xyz_grid.axis_options.extend(extra_axis_options)
def callback_before_ui():
try:
make_axis_options()
except:
logger.exception("AgentAttention: Error while making axis options")
script_callbacks.on_before_ui(callback_before_ui)
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