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Add seamless_axes options

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This commit is contained in:
Carson Katri 2022-10-16 22:45:18 -04:00
parent b953f82346
commit e03a3fcf68
2 changed files with 31 additions and 1 deletions
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26
ldm/generate.py
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@ -173,6 +173,7 @@ class Generate:
self.precision = precision
self.strength = 0.75
self.seamless = False
self.seamless_axes = {'x','y'}
self.hires_fix = False
self.embedding_path = embedding_path
self.model = None # empty for now
@ -258,6 +259,7 @@ class Generate:
height = None,
sampler_name = None,
seamless = False,
seamless_axes = {'x','y'},
log_tokenization = False,
with_variations = None,
variation_amount = 0.0,
@ -330,6 +332,7 @@ class Generate:
width = width or self.width
height = height or self.height
seamless = seamless or self.seamless
seamless_axes = seamless_axes or self.seamless_axes
hires_fix = hires_fix or self.hires_fix
cfg_scale = cfg_scale or self.cfg_scale
ddim_eta = ddim_eta or self.ddim_eta
@ -348,9 +351,30 @@ class Generate:
width = width or self.width
height = height or self.height
def _conv_forward_asymmetric(self, input, weight, bias):
"""
Patch for Conv2d._conv_forward that supports asymmetric padding
"""
working = nn.functional.pad(input, self.asymmetric_padding['x'], mode=self.asymmetric_padding_mode['x'])
working = nn.functional.pad(working, self.asymmetric_padding['y'], mode=self.asymmetric_padding_mode['y'])
return nn.functional.conv2d(working, weight, bias, self.stride, nn.modules.utils._pair(0), self.dilation, self.groups)
for m in model.modules():
if isinstance(m, (nn.Conv2d, nn.ConvTranspose2d)):
m.padding_mode = 'circular' if seamless else m._orig_padding_mode
if seamless:
m.asymmetric_padding_mode = {}
m.asymmetric_padding = {}
m.asymmetric_padding_mode['x'] = 'circular' if ('x' in seamless_axes) else 'constant'
m.asymmetric_padding['x'] = (m._reversed_padding_repeated_twice[0], m._reversed_padding_repeated_twice[1], 0, 0)
m.asymmetric_padding_mode['y'] = 'circular' if ('y' in seamless_axes) else 'constant'
m.asymmetric_padding['y'] = (0, 0, m._reversed_padding_repeated_twice[2], m._reversed_padding_repeated_twice[3])
m._conv_forward = _conv_forward_asymmetric.__get__(m, nn.Conv2d)
else:
m._conv_forward = nn.Conv2d._conv_forward.__get__(m, nn.Conv2d)
if hasattr(m, 'asymmetric_padding_mode'):
del m.asymmetric_padding_mode
if hasattr(m, 'asymmetric_padding'):
del m.asymmetric_padding
assert cfg_scale > 1.0, 'CFG_Scale (-C) must be >1.0'
assert threshold >= 0.0, '--threshold must be >=0.0'

6
ldm/invoke/args.py
View File

@ -761,6 +761,12 @@ class Args(object):
action='store_true',
help='Change the model to seamless tiling (circular) mode',
)
special_effects_group.add_argument(
'--seamless_axes',
default=['x', 'y'],
type=list[str],
help='Specify which axes to use circular convolution on.',
)
variation_group.add_argument(
'-v',
'--variation_amount',