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fix: support batch broadcasting in JoinImageWithAlpha node (#12580)

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AbdulRehman 2026-04-06 16:49:49 +05:00
parent d0f0b15cf5
commit 5c2ae6fd66
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1 changed files with 2 additions and 2 deletions
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comfy_extras/nodes_compositing.py
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@ -202,12 +202,12 @@ class JoinImageWithAlpha(io.ComfyNode):
@classmethod
def execute(cls, image: torch.Tensor, alpha: torch.Tensor) -> io.NodeOutput:
batch_size = min(len(image), len(alpha))
batch_size = max(len(image), len(alpha))
out_images = []
alpha = 1.0 - resize_mask(alpha, image.shape[1:])
for i in range(batch_size):
out_images.append(torch.cat((image[i][:,:,:3], alpha[i].unsqueeze(2)), dim=2))
out_images.append(torch.cat((image[i % len(image)][:,:,:3], alpha[i % len(alpha)].unsqueeze(2)), dim=2))
return io.NodeOutput(torch.stack(out_images))