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@@ -233,10 +233,11 @@ class StableDiffusionXLIPAdapterStep(PipelineBlock, ModularIPAdapterMixin):
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# modified from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_ip_adapter_image_embeds
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def prepare_ip_adapter_image_embeds(
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self, components, ip_adapter_image, ip_adapter_image_embeds, device, num_images_per_prompt
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self, components, ip_adapter_image, ip_adapter_image_embeds, device, num_images_per_prompt, do_classifier_free_guidance
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):
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image_embeds = []
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negative_image_embeds = []
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if do_classifier_free_guidance:
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negative_image_embeds = []
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if ip_adapter_image_embeds is None:
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if not isinstance(ip_adapter_image, list):
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ip_adapter_image = [ip_adapter_image]
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@@ -255,18 +256,21 @@ class StableDiffusionXLIPAdapterStep(PipelineBlock, ModularIPAdapterMixin):
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)
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image_embeds.append(single_image_embeds[None, :])
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negative_image_embeds.append(single_negative_image_embeds[None, :])
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if do_classifier_free_guidance:
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negative_image_embeds.append(single_negative_image_embeds[None, :])
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else:
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for single_image_embeds in ip_adapter_image_embeds:
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single_negative_image_embeds, single_image_embeds = single_image_embeds.chunk(2)
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negative_image_embeds.append(single_negative_image_embeds)
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if do_classifier_free_guidance:
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single_negative_image_embeds, single_image_embeds = single_image_embeds.chunk(2)
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negative_image_embeds.append(single_negative_image_embeds)
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image_embeds.append(single_image_embeds)
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ip_adapter_image_embeds = []
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for i, single_image_embeds in enumerate(image_embeds):
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single_image_embeds = torch.cat([single_image_embeds] * num_images_per_prompt, dim=0)
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single_negative_image_embeds = torch.cat([negative_image_embeds[i]] * num_images_per_prompt, dim=0)
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single_image_embeds = torch.cat([single_negative_image_embeds, single_image_embeds], dim=0)
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if do_classifier_free_guidance:
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single_negative_image_embeds = torch.cat([negative_image_embeds[i]] * num_images_per_prompt, dim=0)
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single_image_embeds = torch.cat([single_negative_image_embeds, single_image_embeds], dim=0)
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single_image_embeds = single_image_embeds.to(device=device)
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ip_adapter_image_embeds.append(single_image_embeds)
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