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Make ScaleROPE node work on Flux. (#10686)

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comfyanonymous 2025-11-08 12:52:02 -08:00 committed by GitHub
parent a1a70362ca
commit 2abd2b5c20
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1 changed files with 17 additions and 5 deletions
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comfy/ldm/flux/model.py
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@ -210,7 +210,7 @@ class Flux(nn.Module):
img = self.final_layer(img, vec) # (N, T, patch_size ** 2 * out_channels)
return img
def process_img(self, x, index=0, h_offset=0, w_offset=0):
def process_img(self, x, index=0, h_offset=0, w_offset=0, transformer_options={}):
bs, c, h, w = x.shape
patch_size = self.patch_size
x = comfy.ldm.common_dit.pad_to_patch_size(x, (patch_size, patch_size))
@ -222,10 +222,22 @@ class Flux(nn.Module):
h_offset = ((h_offset + (patch_size // 2)) // patch_size)
w_offset = ((w_offset + (patch_size // 2)) // patch_size)
img_ids = torch.zeros((h_len, w_len, 3), device=x.device, dtype=x.dtype)
steps_h = h_len
steps_w = w_len
rope_options = transformer_options.get("rope_options", None)
if rope_options is not None:
h_len = (h_len - 1.0) * rope_options.get("scale_y", 1.0) + 1.0
w_len = (w_len - 1.0) * rope_options.get("scale_x", 1.0) + 1.0
index += rope_options.get("shift_t", 0.0)
h_offset += rope_options.get("shift_y", 0.0)
w_offset += rope_options.get("shift_x", 0.0)
img_ids = torch.zeros((steps_h, steps_w, 3), device=x.device, dtype=x.dtype)
img_ids[:, :, 0] = img_ids[:, :, 1] + index
img_ids[:, :, 1] = img_ids[:, :, 1] + torch.linspace(h_offset, h_len - 1 + h_offset, steps=h_len, device=x.device, dtype=x.dtype).unsqueeze(1)
img_ids[:, :, 2] = img_ids[:, :, 2] + torch.linspace(w_offset, w_len - 1 + w_offset, steps=w_len, device=x.device, dtype=x.dtype).unsqueeze(0)
img_ids[:, :, 1] = img_ids[:, :, 1] + torch.linspace(h_offset, h_len - 1 + h_offset, steps=steps_h, device=x.device, dtype=x.dtype).unsqueeze(1)
img_ids[:, :, 2] = img_ids[:, :, 2] + torch.linspace(w_offset, w_len - 1 + w_offset, steps=steps_w, device=x.device, dtype=x.dtype).unsqueeze(0)
return img, repeat(img_ids, "h w c -> b (h w) c", b=bs)
def forward(self, x, timestep, context, y=None, guidance=None, ref_latents=None, control=None, transformer_options={}, **kwargs):
@ -241,7 +253,7 @@ class Flux(nn.Module):
h_len = ((h_orig + (patch_size // 2)) // patch_size)
w_len = ((w_orig + (patch_size // 2)) // patch_size)
img, img_ids = self.process_img(x)
img, img_ids = self.process_img(x, transformer_options=transformer_options)
img_tokens = img.shape[1]
if ref_latents is not None:
h = 0