from ldm_patched.modules import sd1_clip import torch import os class SDXLClipG(sd1_clip.SDClipModel): def __init__(self, device="cpu", max_length=77, freeze=True, layer="penultimate", layer_idx=None, dtype=None): if layer == "penultimate": layer="hidden" layer_idx=-2 textmodel_json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_config_bigg.json") super().__init__(device=device, freeze=freeze, layer=layer, layer_idx=layer_idx, textmodel_json_config=textmodel_json_config, dtype=dtype, special_tokens={"start": 49406, "end": 49407, "pad": 0}, layer_norm_hidden_state=False) def load_sd(self, sd): return super().load_sd(sd) class SDXLClipGTokenizer(sd1_clip.SDTokenizer): def __init__(self, tokenizer_path=None, embedding_directory=None): super().__init__(tokenizer_path, pad_with_end=False, embedding_directory=embedding_directory, embedding_size=1280, embedding_key='clip_g') class SDXLTokenizer: def __init__(self, embedding_directory=None): self.clip_l = sd1_clip.SDTokenizer(embedding_directory=embedding_directory) self.clip_g = SDXLClipGTokenizer(embedding_directory=embedding_directory) def tokenize_with_weights(self, text:str, return_word_ids=False): out = {} out["g"] = self.clip_g.tokenize_with_weights(text, return_word_ids) out["l"] = self.clip_l.tokenize_with_weights(text, return_word_ids) return out def untokenize(self, token_weight_pair): return self.clip_g.untokenize(token_weight_pair) class SDXLClipModel(torch.nn.Module): def __init__(self, device="cpu", dtype=None): super().__init__() self.clip_l = sd1_clip.SDClipModel(layer="hidden", layer_idx=-2, device=device, dtype=dtype, layer_norm_hidden_state=False) self.clip_g = SDXLClipG(device=device, dtype=dtype) def clip_layer(self, layer_idx): self.clip_l.clip_layer(layer_idx) self.clip_g.clip_layer(layer_idx) def reset_clip_layer(self): self.clip_g.reset_clip_layer() self.clip_l.reset_clip_layer() def encode_token_weights(self, token_weight_pairs): token_weight_pairs_g = token_weight_pairs["g"] token_weight_pairs_l = token_weight_pairs["l"] g_out, g_pooled = self.clip_g.encode_token_weights(token_weight_pairs_g) l_out, l_pooled = self.clip_l.encode_token_weights(token_weight_pairs_l) return torch.cat([l_out, g_out], dim=-1), g_pooled def load_sd(self, sd): if "text_model.encoder.layers.30.mlp.fc1.weight" in sd: return self.clip_g.load_sd(sd) else: return self.clip_l.load_sd(sd) class SDXLRefinerClipModel(sd1_clip.SD1ClipModel): def __init__(self, device="cpu", dtype=None): super().__init__(device=device, dtype=dtype, clip_name="g", clip_model=SDXLClipG)