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Add fast rgb preview to Sana

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City
2024-12-12 06:59:37 +01:00
parent 4a11543beb
commit 7b3f2ced4e
1 changed files with 41 additions and 1 deletions
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Sana/loader.py
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@@ -15,8 +15,11 @@ from .diffusers_convert import convert_state_dict
from ..utils.loader import load_state_dict_from_config
class SanaLatent(comfy.latent_formats.LatentFormat):
scale_factor = 0.41407
latent_channels = 32
def __init__(self):
self.scale_factor = 0.41407
self.latent_rgb_factors = latent_rgb_factors.copy()
self.latent_rgb_factors_bias = latent_rgb_factors_bias.copy()
class SanaConfig(comfy.supported_models_base.BASE):
unet_class = SanaMS
@@ -97,6 +100,43 @@ def model_config_from_unet(sd):
logging.debug(f"Sana config:\n{config}")
return model_config
# for fast latent preview
latent_rgb_factors = [
[-2.0022e-03, -6.0736e-03, -1.7096e-03],
[ 1.4221e-03, 3.6703e-03, 4.1083e-03],
[ 1.0081e-02, 2.6456e-04, -1.4333e-02],
[-2.4253e-03, 3.0967e-03, -1.0301e-03],
[ 2.2158e-03, 7.7274e-03, -1.3151e-02],
[ 1.1235e-02, 5.7630e-03, 3.6146e-03],
[-7.2899e-02, 1.1062e-02, 3.6103e-02],
[ 3.2346e-02, 2.8678e-02, 2.5014e-02],
[ 1.6469e-03, -1.1364e-03, 2.8366e-03],
[-3.5597e-02, -2.3447e-02, -3.1172e-03],
[-1.9985e-04, -2.0647e-03, -1.2702e-02],
[ 2.1318e-04, 1.2196e-03, -8.3461e-04],
[ 1.3766e-02, 2.7559e-03, 7.3567e-03],
[ 1.3027e-02, 2.6365e-03, 3.0405e-03],
[ 1.5335e-02, 9.4682e-03, 6.7312e-03],
[ 5.1827e-03, -9.4865e-03, 8.5080e-03],
[ 1.4365e-02, -3.2867e-03, 9.5108e-03],
[-4.1216e-03, -1.9177e-03, -3.3726e-03],
[-2.4757e-03, 5.1739e-04, 2.0280e-03],
[-3.5950e-03, 1.0720e-03, 5.3043e-03],
[-5.1758e-03, 8.1040e-03, -3.7564e-02],
[-3.8555e-03, -1.5529e-03, -3.5799e-03],
[-6.6175e-03, -6.8484e-03, -9.9609e-03],
[-2.1656e-03, 5.5770e-05, 1.4936e-03],
[-9.2857e-02, -1.1379e-01, -1.0919e-01],
[ 7.7044e-04, 5.5594e-03, 3.4755e-02],
[ 1.2714e-02, 2.9729e-02, 3.1989e-03],
[-1.1805e-03, 9.0548e-03, -4.1063e-04],
[ 8.3309e-04, 4.9694e-03, 2.3087e-03],
[ 7.8456e-03, 3.9750e-03, 3.5655e-03],
[-1.7552e-03, 4.9306e-03, 1.4210e-02],
[-1.4790e-03, 2.8837e-03, -4.5687e-03]
]
latent_rgb_factors_bias = [0.4358, 0.3814, 0.3388]
# 512/1024/2K match, TODO: 4K is new, add on release
from ..PixArt.loader import resolutions as pixart_res
resolutions = {