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from modules.sd_hijack_clip import FrozenCLIPEmbedderWithCustomWords |
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from ldm_patched.modules import model_management |
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from modules import sd_models |
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from modules.shared import opts |
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def move_clip_to_gpu(): |
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if sd_models.model_data.sd_model is None: |
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print('Error: CLIP called before SD is loaded!') |
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return |
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model_management.load_model_gpu(sd_models.model_data.sd_model.forge_objects.clip.patcher) |
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return |
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class CLIP_SD_15_L(FrozenCLIPEmbedderWithCustomWords): |
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def encode_with_transformers(self, tokens): |
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move_clip_to_gpu() |
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self.wrapped.transformer.text_model.embeddings.to(tokens.device) |
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outputs = self.wrapped.transformer(input_ids=tokens, output_hidden_states=-opts.CLIP_stop_at_last_layers) |
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if opts.CLIP_stop_at_last_layers > 1: |
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z = outputs.hidden_states[-opts.CLIP_stop_at_last_layers] |
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z = self.wrapped.transformer.text_model.final_layer_norm(z) |
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else: |
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z = outputs.last_hidden_state |
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return z |
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class CLIP_SD_21_H(FrozenCLIPEmbedderWithCustomWords): |
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def __init__(self, wrapped, hijack): |
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super().__init__(wrapped, hijack) |
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if self.wrapped.layer == "penultimate": |
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self.wrapped.layer = "hidden" |
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self.wrapped.layer_idx = -2 |
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self.id_start = 49406 |
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self.id_end = 49407 |
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self.id_pad = 0 |
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def encode_with_transformers(self, tokens): |
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move_clip_to_gpu() |
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self.wrapped.transformer.text_model.embeddings.to(tokens.device) |
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outputs = self.wrapped.transformer(tokens, output_hidden_states=self.wrapped.layer == "hidden") |
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if self.wrapped.layer == "last": |
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z = outputs.last_hidden_state |
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else: |
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z = outputs.hidden_states[self.wrapped.layer_idx] |
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z = self.wrapped.transformer.text_model.final_layer_norm(z) |
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return z |
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class CLIP_SD_XL_L(FrozenCLIPEmbedderWithCustomWords): |
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def __init__(self, wrapped, hijack): |
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super().__init__(wrapped, hijack) |
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def encode_with_transformers(self, tokens): |
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self.wrapped.transformer.text_model.embeddings.to(tokens.device) |
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outputs = self.wrapped.transformer(tokens, output_hidden_states=self.wrapped.layer == "hidden") |
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if self.wrapped.layer == "last": |
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z = outputs.last_hidden_state |
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else: |
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z = outputs.hidden_states[self.wrapped.layer_idx] |
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return z |
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class CLIP_SD_XL_G(FrozenCLIPEmbedderWithCustomWords): |
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def __init__(self, wrapped, hijack): |
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super().__init__(wrapped, hijack) |
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if self.wrapped.layer == "penultimate": |
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self.wrapped.layer = "hidden" |
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self.wrapped.layer_idx = -2 |
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self.id_start = 49406 |
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self.id_end = 49407 |
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self.id_pad = 0 |
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def encode_with_transformers(self, tokens): |
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self.wrapped.transformer.text_model.embeddings.to(tokens.device) |
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outputs = self.wrapped.transformer(tokens, output_hidden_states=self.wrapped.layer == "hidden") |
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if self.wrapped.layer == "last": |
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z = outputs.last_hidden_state |
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else: |
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z = outputs.hidden_states[self.wrapped.layer_idx] |
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pooled_output = outputs.pooler_output |
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text_projection = self.wrapped.text_projection |
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pooled_output = pooled_output.float().to(text_projection.device) @ text_projection.float() |
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z.pooled = pooled_output |
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return z |
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