a
    þdf  ã                   @   sH   d dl Z d dlmZ d dlmZ ddlmZ e ¡ G dd„ deƒƒZdS )é    N)ÚOrderedDict)ÚMODEL_REGISTRYé   )Ú
SRGANModelc                   @   s   e Zd ZdZdd„ ZdS )ÚESRGANModelz/ESRGAN model for single image super-resolution.c                 C   sH  | j  ¡ D ]
}d|_q
| j ¡  |  | j¡| _d}tƒ }|| j	 dkrB|| j
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| j|	t |¡ ddd}|
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 }| ¡  |   | j ¡ ¡}| j|t | ¡ ¡ dddd
 }| ¡  | j ¡  ||d< ||d< t | ¡ ¡|d< t | ¡ ¡|d< |  |¡| _| jdkrD| j| jd d S )NFr   Úl_g_pixÚ
l_g_percepÚ	l_g_style)Zis_discTé   Úl_g_gang      à?Úl_d_realÚl_d_fakeZ
out_d_realZ
out_d_fake)Zdecay)Znet_dÚ
parametersZrequires_gradZoptimizer_gZ	zero_gradZnet_gZlqÚoutputr   Znet_d_itersZnet_d_init_itersZcri_pixÚgtZcri_perceptualÚdetachZcri_ganÚtorchÚmeanZbackwardÚstepZoptimizer_dZreduce_loss_dictZlog_dictZ	ema_decayZ	model_ema)ÚselfZcurrent_iterÚpZ	l_g_totalZ	loss_dictr   r   r	   Zreal_d_predZfake_g_predZl_g_realZl_g_faker   Zfake_d_predr   r   © r   úd/var/www/html/stable-diffusion-webui/venv/lib/python3.9/site-packages/basicsr/models/esrgan_model.pyÚoptimize_parameters   s\    



"
zESRGANModel.optimize_parametersN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   r   r      s   r   )	r   Úcollectionsr   Zbasicsr.utils.registryr   Zsrgan_modelr   Úregisterr   r   r   r   r   Ú<module>   s
   