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Add a way to control controlnet strength.

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comfyanonymous
2023-02-16 18:08:01 -05:00
parent 56498d505a
commit 6135a21ee8
2 changed files with 13 additions and 4 deletions
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7
comfy/sd.py
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@@ -331,6 +331,7 @@ class ControlNet:
self.control_model = control_model
self.cond_hint_original = None
self.cond_hint = None
self.strength = 1.0
def get_control(self, x_noisy, t, cond_txt):
if self.cond_hint is None or x_noisy.shape[2] * 8 != self.cond_hint.shape[2] or x_noisy.shape[3] * 8 != self.cond_hint.shape[3]:
@@ -340,10 +341,13 @@ class ControlNet:
self.cond_hint = utils.common_upscale(self.cond_hint_original, x_noisy.shape[3] * 8, x_noisy.shape[2] * 8, 'nearest-exact', "center").to(x_noisy.device)
print("set cond_hint", self.cond_hint.shape)
control = self.control_model(x=x_noisy, hint=self.cond_hint, timesteps=t, context=cond_txt)
for x in control:
x *= self.strength
return control
def set_cond_hint(self, cond_hint):
def set_cond_hint(self, cond_hint, strength=1.0):
self.cond_hint_original = cond_hint
self.strength = strength
return self
def cleanup(self):
@@ -354,6 +358,7 @@ class ControlNet:
def copy(self):
c = ControlNet(self.control_model)
c.cond_hint_original = self.cond_hint_original
c.strength = self.strength
return c
def load_controlnet(ckpt_path):