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