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Unverified Commit 78922ed7 authored by Patrick von Platen's avatar Patrick von Platen Committed by GitHub
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Add sdxl prompt embeddings (#3995) 

* Add sdxl prompt embeddings

* Fix more

* fix some slow tests
parent 6fde5a6d
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Showing with 180 additions and 69 deletions
src/diffusers/pipelines/stable_diffusion_xl/__init__.py
View file @ 78922ed7
...@@ -8,7 +8,6 @@ from ...utils import BaseOutput, is_invisible_watermark_available, is_torch_avai ...@@ -8,7 +8,6 @@ from ...utils import BaseOutput, is_invisible_watermark_available, is_torch_avai
@dataclass @dataclass
# Copied from diffusers.pipelines.stable_diffusion.__init__.StableDiffusionPipelineOutput with StableDiffusion->StableDiffusionXL
class StableDiffusionXLPipelineOutput(BaseOutput): class StableDiffusionXLPipelineOutput(BaseOutput):
""" """
Output class for Stable Diffusion pipelines. Output class for Stable Diffusion pipelines.
...@@ -17,13 +16,9 @@ class StableDiffusionXLPipelineOutput(BaseOutput): ...@@ -17,13 +16,9 @@ class StableDiffusionXLPipelineOutput(BaseOutput):
images (`List[PIL.Image.Image]` or `np.ndarray`) images (`List[PIL.Image.Image]` or `np.ndarray`)
List of denoised PIL images of length `batch_size` or numpy array of shape `(batch_size, height, width, List of denoised PIL images of length `batch_size` or numpy array of shape `(batch_size, height, width,
num_channels)`. PIL images or numpy array present the denoised images of the diffusion pipeline. num_channels)`. PIL images or numpy array present the denoised images of the diffusion pipeline.
nsfw_content_detected (`List[bool]`)
List of flags denoting whether the corresponding generated image likely represents "not-safe-for-work"
(nsfw) content, or `None` if safety checking could not be performed.
""" """
images: Union[List[PIL.Image.Image], np.ndarray] images: Union[List[PIL.Image.Image], np.ndarray]
nsfw_content_detected: Optional[List[bool]]
if is_transformers_available() and is_torch_available() and is_invisible_watermark_available(): if is_transformers_available() and is_torch_available() and is_invisible_watermark_available():
......
src/diffusers/pipelines/stable_diffusion_xl/pipeline_stable_diffusion_xl.py
View file @ 78922ed7
...@@ -132,6 +132,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -132,6 +132,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
self.watermark = StableDiffusionXLWatermarker() self.watermark = StableDiffusionXLWatermarker()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.enable_vae_slicing
def enable_vae_slicing(self): def enable_vae_slicing(self):
r""" r"""
Enable sliced VAE decoding. Enable sliced VAE decoding.
...@@ -141,6 +142,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -141,6 +142,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.enable_slicing() self.vae.enable_slicing()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_slicing
def disable_vae_slicing(self): def disable_vae_slicing(self):
r""" r"""
Disable sliced VAE decoding. If `enable_vae_slicing` was previously invoked, this method will go back to Disable sliced VAE decoding. If `enable_vae_slicing` was previously invoked, this method will go back to
...@@ -148,6 +150,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -148,6 +150,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.disable_slicing() self.vae.disable_slicing()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.enable_vae_tiling
def enable_vae_tiling(self): def enable_vae_tiling(self):
r""" r"""
Enable tiled VAE decoding. Enable tiled VAE decoding.
...@@ -157,6 +160,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -157,6 +160,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.enable_tiling() self.vae.enable_tiling()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_tiling
def disable_vae_tiling(self): def disable_vae_tiling(self):
r""" r"""
Disable tiled VAE decoding. If `enable_vae_tiling` was previously invoked, this method will go back to Disable tiled VAE decoding. If `enable_vae_tiling` was previously invoked, this method will go back to
...@@ -217,6 +221,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -217,6 +221,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
self.final_offload_hook = hook self.final_offload_hook = hook
@property @property
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline._execution_device
def _execution_device(self): def _execution_device(self):
r""" r"""
Returns the device on which the pipeline's models will be executed. After calling Returns the device on which the pipeline's models will be executed. After calling
...@@ -237,12 +242,14 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -237,12 +242,14 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
def encode_prompt( def encode_prompt(
self, self,
prompt, prompt,
device, device: Optional[torch.device] = None,
num_images_per_prompt, num_images_per_prompt: int = 1,
do_classifier_free_guidance, do_classifier_free_guidance: bool = True,
negative_prompt=None, negative_prompt=None,
prompt_embeds: Optional[torch.FloatTensor] = None, prompt_embeds: Optional[torch.FloatTensor] = None,
negative_prompt_embeds: Optional[torch.FloatTensor] = None, negative_prompt_embeds: Optional[torch.FloatTensor] = None,
pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
negative_pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
lora_scale: Optional[float] = None, lora_scale: Optional[float] = None,
): ):
r""" r"""
...@@ -268,9 +275,18 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -268,9 +275,18 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
argument. argument.
pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
input argument.
lora_scale (`float`, *optional*): lora_scale (`float`, *optional*):
A lora scale that will be applied to all LoRA layers of the text encoder if LoRA layers are loaded. A lora scale that will be applied to all LoRA layers of the text encoder if LoRA layers are loaded.
""" """
device = device or self._execution_device
# set lora scale so that monkey patched LoRA # set lora scale so that monkey patched LoRA
# function of text encoder can correctly access it # function of text encoder can correctly access it
if lora_scale is not None and isinstance(self, LoraLoaderMixin): if lora_scale is not None and isinstance(self, LoraLoaderMixin):
...@@ -399,6 +415,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -399,6 +415,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt_embeds = torch.concat(negative_prompt_embeds_list, dim=-1) negative_prompt_embeds = torch.concat(negative_prompt_embeds_list, dim=-1)
bs_embed = pooled_prompt_embeds.shape[0]
pooled_prompt_embeds = pooled_prompt_embeds.repeat(1, num_images_per_prompt).view( pooled_prompt_embeds = pooled_prompt_embeds.repeat(1, num_images_per_prompt).view(
bs_embed * num_images_per_prompt, -1 bs_embed * num_images_per_prompt, -1
) )
...@@ -408,20 +425,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -408,20 +425,7 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
return prompt_embeds, negative_prompt_embeds, pooled_prompt_embeds, negative_pooled_prompt_embeds return prompt_embeds, negative_prompt_embeds, pooled_prompt_embeds, negative_pooled_prompt_embeds
def run_safety_checker(self, image, device, dtype): # Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_extra_step_kwargs
if self.safety_checker is None:
has_nsfw_concept = None
else:
if torch.is_tensor(image):
feature_extractor_input = self.image_processor.postprocess(image, output_type="pil")
else:
feature_extractor_input = self.image_processor.numpy_to_pil(image)
safety_checker_input = self.feature_extractor(feature_extractor_input, return_tensors="pt").to(device)
image, has_nsfw_concept = self.safety_checker(
images=image, clip_input=safety_checker_input.pixel_values.to(dtype)
)
return image, has_nsfw_concept
def prepare_extra_step_kwargs(self, generator, eta): def prepare_extra_step_kwargs(self, generator, eta):
# prepare extra kwargs for the scheduler step, since not all schedulers have the same signature # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
# eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers. # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers.
...@@ -448,6 +452,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -448,6 +452,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt=None, negative_prompt=None,
prompt_embeds=None, prompt_embeds=None,
negative_prompt_embeds=None, negative_prompt_embeds=None,
pooled_prompt_embeds=None,
negative_pooled_prompt_embeds=None,
): ):
if height % 8 != 0 or width % 8 != 0: if height % 8 != 0 or width % 8 != 0:
raise ValueError(f"`height` and `width` have to be divisible by 8 but are {height} and {width}.") raise ValueError(f"`height` and `width` have to be divisible by 8 but are {height} and {width}.")
...@@ -486,6 +492,17 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -486,6 +492,17 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
f" {negative_prompt_embeds.shape}." f" {negative_prompt_embeds.shape}."
) )
if prompt_embeds is not None and pooled_prompt_embeds is None:
raise ValueError(
"If `prompt_embeds` are provided, `pooled_prompt_embeds` also have to be passed. Make sure to generate `pooled_prompt_embeds` from the same text encoder that was used to generate `prompt_embeds`."
)
if negative_prompt_embeds is not None and negative_pooled_prompt_embeds is None:
raise ValueError(
"If `negative_prompt_embeds` are provided, `negative_pooled_prompt_embeds` also have to be passed. Make sure to generate `negative_pooled_prompt_embeds` from the same text encoder that was used to generate `negative_prompt_embeds`."
)
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_latents
def prepare_latents(self, batch_size, num_channels_latents, height, width, dtype, device, generator, latents=None): def prepare_latents(self, batch_size, num_channels_latents, height, width, dtype, device, generator, latents=None):
shape = (batch_size, num_channels_latents, height // self.vae_scale_factor, width // self.vae_scale_factor) shape = (batch_size, num_channels_latents, height // self.vae_scale_factor, width // self.vae_scale_factor)
if isinstance(generator, list) and len(generator) != batch_size: if isinstance(generator, list) and len(generator) != batch_size:
...@@ -535,6 +552,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -535,6 +552,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
latents: Optional[torch.FloatTensor] = None, latents: Optional[torch.FloatTensor] = None,
prompt_embeds: Optional[torch.FloatTensor] = None, prompt_embeds: Optional[torch.FloatTensor] = None,
negative_prompt_embeds: Optional[torch.FloatTensor] = None, negative_prompt_embeds: Optional[torch.FloatTensor] = None,
pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
negative_pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
output_type: Optional[str] = "pil", output_type: Optional[str] = "pil",
return_dict: bool = True, return_dict: bool = True,
callback: Optional[Callable[[int, int, torch.FloatTensor], None]] = None, callback: Optional[Callable[[int, int, torch.FloatTensor], None]] = None,
...@@ -588,6 +607,13 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -588,6 +607,13 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
argument. argument.
pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
input argument.
output_type (`str`, *optional*, defaults to `"pil"`): output_type (`str`, *optional*, defaults to `"pil"`):
The output format of the generate image. Choose between The output format of the generate image. Choose between
[PIL](https://pillow.readthedocs.io/en/stable/): `PIL.Image.Image` or `np.array`. [PIL](https://pillow.readthedocs.io/en/stable/): `PIL.Image.Image` or `np.array`.
...@@ -634,7 +660,15 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -634,7 +660,15 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
# 1. Check inputs. Raise error if not correct # 1. Check inputs. Raise error if not correct
self.check_inputs( self.check_inputs(
prompt, height, width, callback_steps, negative_prompt, prompt_embeds, negative_prompt_embeds prompt,
height,
width,
callback_steps,
negative_prompt,
prompt_embeds,
negative_prompt_embeds,
pooled_prompt_embeds,
negative_pooled_prompt_embeds,
) )
# 2. Define call parameters # 2. Define call parameters
...@@ -669,6 +703,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -669,6 +703,8 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt, negative_prompt,
prompt_embeds=prompt_embeds, prompt_embeds=prompt_embeds,
negative_prompt_embeds=negative_prompt_embeds, negative_prompt_embeds=negative_prompt_embeds,
pooled_prompt_embeds=pooled_prompt_embeds,
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
lora_scale=text_encoder_lora_scale, lora_scale=text_encoder_lora_scale,
) )
...@@ -765,27 +801,19 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -765,27 +801,19 @@ class StableDiffusionXLPipeline(DiffusionPipeline, FromSingleFileMixin):
latents = latents.float() latents = latents.float()
if not output_type == "latent": if not output_type == "latent":
# CHECK there is problem here (PVP)
image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0] image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0]
has_nsfw_concept = None
else: else:
image = latents image = latents
has_nsfw_concept = None return StableDiffusionXLPipelineOutput(images=image)
return StableDiffusionXLPipelineOutput(images=image, nsfw_content_detected=None)
if has_nsfw_concept is None:
do_denormalize = [True] * image.shape[0]
else:
do_denormalize = [not has_nsfw for has_nsfw in has_nsfw_concept]
image = self.watermark.apply_watermark(image) image = self.watermark.apply_watermark(image)
image = self.image_processor.postprocess(image, output_type=output_type, do_denormalize=do_denormalize) image = self.image_processor.postprocess(image, output_type=output_type)
# Offload last model to CPU # Offload last model to CPU
if hasattr(self, "final_offload_hook") and self.final_offload_hook is not None: if hasattr(self, "final_offload_hook") and self.final_offload_hook is not None:
self.final_offload_hook.offload() self.final_offload_hook.offload()
if not return_dict: if not return_dict:
return (image, has_nsfw_concept) return (image,)
return StableDiffusionXLPipelineOutput(images=image, nsfw_content_detected=has_nsfw_concept) return StableDiffusionXLPipelineOutput(images=image)
src/diffusers/pipelines/stable_diffusion_xl/pipeline_stable_diffusion_xl_img2img.py
View file @ 78922ed7
...@@ -140,6 +140,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -140,6 +140,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
self.watermark = StableDiffusionXLWatermarker() self.watermark = StableDiffusionXLWatermarker()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.enable_vae_slicing
def enable_vae_slicing(self): def enable_vae_slicing(self):
r""" r"""
Enable sliced VAE decoding. Enable sliced VAE decoding.
...@@ -149,6 +150,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -149,6 +150,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.enable_slicing() self.vae.enable_slicing()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_slicing
def disable_vae_slicing(self): def disable_vae_slicing(self):
r""" r"""
Disable sliced VAE decoding. If `enable_vae_slicing` was previously invoked, this method will go back to Disable sliced VAE decoding. If `enable_vae_slicing` was previously invoked, this method will go back to
...@@ -156,6 +158,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -156,6 +158,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.disable_slicing() self.vae.disable_slicing()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.enable_vae_tiling
def enable_vae_tiling(self): def enable_vae_tiling(self):
r""" r"""
Enable tiled VAE decoding. Enable tiled VAE decoding.
...@@ -165,6 +168,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -165,6 +168,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.enable_tiling() self.vae.enable_tiling()
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.disable_vae_tiling
def disable_vae_tiling(self): def disable_vae_tiling(self):
r""" r"""
Disable tiled VAE decoding. If `enable_vae_tiling` was previously invoked, this method will go back to Disable tiled VAE decoding. If `enable_vae_tiling` was previously invoked, this method will go back to
...@@ -172,6 +176,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -172,6 +176,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
""" """
self.vae.disable_tiling() self.vae.disable_tiling()
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline.enable_sequential_cpu_offload
def enable_sequential_cpu_offload(self, gpu_id=0): def enable_sequential_cpu_offload(self, gpu_id=0):
r""" r"""
Offloads all models to CPU using accelerate, significantly reducing memory usage. When called, unet, Offloads all models to CPU using accelerate, significantly reducing memory usage. When called, unet,
...@@ -194,6 +199,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -194,6 +199,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
for cpu_offloaded_model in [self.unet, self.text_encoder, self.text_encoder_2, self.vae]: for cpu_offloaded_model in [self.unet, self.text_encoder, self.text_encoder_2, self.vae]:
cpu_offload(cpu_offloaded_model, device) cpu_offload(cpu_offloaded_model, device)
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline.enable_model_cpu_offload
def enable_model_cpu_offload(self, gpu_id=0): def enable_model_cpu_offload(self, gpu_id=0):
r""" r"""
Offloads all models to CPU using accelerate, reducing memory usage with a low impact on performance. Compared Offloads all models to CPU using accelerate, reducing memory usage with a low impact on performance. Compared
...@@ -225,6 +231,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -225,6 +231,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
self.final_offload_hook = hook self.final_offload_hook = hook
@property @property
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline._execution_device
def _execution_device(self): def _execution_device(self):
r""" r"""
Returns the device on which the pipeline's models will be executed. After calling Returns the device on which the pipeline's models will be executed. After calling
...@@ -242,15 +249,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -242,15 +249,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
return torch.device(module._hf_hook.execution_device) return torch.device(module._hf_hook.execution_device)
return self.device return self.device
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline.encode_prompt
def encode_prompt( def encode_prompt(
self, self,
prompt, prompt,
device, device: Optional[torch.device] = None,
num_images_per_prompt, num_images_per_prompt: int = 1,
do_classifier_free_guidance, do_classifier_free_guidance: bool = True,
negative_prompt=None, negative_prompt=None,
prompt_embeds: Optional[torch.FloatTensor] = None, prompt_embeds: Optional[torch.FloatTensor] = None,
negative_prompt_embeds: Optional[torch.FloatTensor] = None, negative_prompt_embeds: Optional[torch.FloatTensor] = None,
pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
negative_pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
lora_scale: Optional[float] = None, lora_scale: Optional[float] = None,
): ):
r""" r"""
...@@ -276,9 +286,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -276,9 +286,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
argument. argument.
pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
input argument.
lora_scale (`float`, *optional*): lora_scale (`float`, *optional*):
A lora scale that will be applied to all LoRA layers of the text encoder if LoRA layers are loaded. A lora scale that will be applied to all LoRA layers of the text encoder if LoRA layers are loaded.
""" """
device = device or self._execution_device
# set lora scale so that monkey patched LoRA # set lora scale so that monkey patched LoRA
# function of text encoder can correctly access it # function of text encoder can correctly access it
if lora_scale is not None and isinstance(self, LoraLoaderMixin): if lora_scale is not None and isinstance(self, LoraLoaderMixin):
...@@ -327,13 +346,11 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -327,13 +346,11 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
text_input_ids.to(device), text_input_ids.to(device),
output_hidden_states=True, output_hidden_states=True,
) )
# We are only ALWAYS interested in the pooled output of the final text encoder # We are only ALWAYS interested in the pooled output of the final text encoder
pooled_prompt_embeds = prompt_embeds[0] pooled_prompt_embeds = prompt_embeds[0]
prompt_embeds = prompt_embeds.hidden_states[-2] prompt_embeds = prompt_embeds.hidden_states[-2]
prompt_embeds = prompt_embeds
bs_embed, seq_len, _ = prompt_embeds.shape bs_embed, seq_len, _ = prompt_embeds.shape
# duplicate text embeddings for each generation per prompt, using mps friendly method # duplicate text embeddings for each generation per prompt, using mps friendly method
prompt_embeds = prompt_embeds.repeat(1, num_images_per_prompt, 1) prompt_embeds = prompt_embeds.repeat(1, num_images_per_prompt, 1)
...@@ -349,10 +366,9 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -349,10 +366,9 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt_embeds = torch.zeros_like(prompt_embeds) negative_prompt_embeds = torch.zeros_like(prompt_embeds)
negative_pooled_prompt_embeds = torch.zeros_like(pooled_prompt_embeds) negative_pooled_prompt_embeds = torch.zeros_like(pooled_prompt_embeds)
elif do_classifier_free_guidance and negative_prompt_embeds is None: elif do_classifier_free_guidance and negative_prompt_embeds is None:
negative_prompt = negative_prompt or ""
uncond_tokens: List[str] uncond_tokens: List[str]
if negative_prompt is None: if prompt is not None and type(prompt) is not type(negative_prompt):
uncond_tokens = [""] * batch_size
elif prompt is not None and type(prompt) is not type(negative_prompt):
raise TypeError( raise TypeError(
f"`negative_prompt` should be the same type to `prompt`, but got {type(negative_prompt)} !=" f"`negative_prompt` should be the same type to `prompt`, but got {type(negative_prompt)} !="
f" {type(prompt)}." f" {type(prompt)}."
...@@ -389,7 +405,6 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -389,7 +405,6 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
) )
# We are only ALWAYS interested in the pooled output of the final text encoder # We are only ALWAYS interested in the pooled output of the final text encoder
negative_pooled_prompt_embeds = negative_prompt_embeds[0] negative_pooled_prompt_embeds = negative_prompt_embeds[0]
negative_prompt_embeds = negative_prompt_embeds.hidden_states[-2] negative_prompt_embeds = negative_prompt_embeds.hidden_states[-2]
if do_classifier_free_guidance: if do_classifier_free_guidance:
...@@ -411,6 +426,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -411,6 +426,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt_embeds = torch.concat(negative_prompt_embeds_list, dim=-1) negative_prompt_embeds = torch.concat(negative_prompt_embeds_list, dim=-1)
bs_embed = pooled_prompt_embeds.shape[0]
pooled_prompt_embeds = pooled_prompt_embeds.repeat(1, num_images_per_prompt).view( pooled_prompt_embeds = pooled_prompt_embeds.repeat(1, num_images_per_prompt).view(
bs_embed * num_images_per_prompt, -1 bs_embed * num_images_per_prompt, -1
) )
...@@ -420,20 +436,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -420,20 +436,7 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
return prompt_embeds, negative_prompt_embeds, pooled_prompt_embeds, negative_pooled_prompt_embeds return prompt_embeds, negative_prompt_embeds, pooled_prompt_embeds, negative_pooled_prompt_embeds
def run_safety_checker(self, image, device, dtype): # Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_extra_step_kwargs
if self.safety_checker is None:
has_nsfw_concept = None
else:
if torch.is_tensor(image):
feature_extractor_input = self.image_processor.postprocess(image, output_type="pil")
else:
feature_extractor_input = self.image_processor.numpy_to_pil(image)
safety_checker_input = self.feature_extractor(feature_extractor_input, return_tensors="pt").to(device)
image, has_nsfw_concept = self.safety_checker(
images=image, clip_input=safety_checker_input.pixel_values.to(dtype)
)
return image, has_nsfw_concept
def prepare_extra_step_kwargs(self, generator, eta): def prepare_extra_step_kwargs(self, generator, eta):
# prepare extra kwargs for the scheduler step, since not all schedulers have the same signature # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
# eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers. # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers.
...@@ -624,6 +627,8 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -624,6 +627,8 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
latents: Optional[torch.FloatTensor] = None, latents: Optional[torch.FloatTensor] = None,
prompt_embeds: Optional[torch.FloatTensor] = None, prompt_embeds: Optional[torch.FloatTensor] = None,
negative_prompt_embeds: Optional[torch.FloatTensor] = None, negative_prompt_embeds: Optional[torch.FloatTensor] = None,
pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
negative_pooled_prompt_embeds: Optional[torch.FloatTensor] = None,
output_type: Optional[str] = "pil", output_type: Optional[str] = "pil",
return_dict: bool = True, return_dict: bool = True,
callback: Optional[Callable[[int, int, torch.FloatTensor], None]] = None, callback: Optional[Callable[[int, int, torch.FloatTensor], None]] = None,
...@@ -683,6 +688,13 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -683,6 +688,13 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input
argument. argument.
pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_pooled_prompt_embeds (`torch.FloatTensor`, *optional*):
Pre-generated negative pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt
weighting. If not provided, pooled negative_prompt_embeds will be generated from `negative_prompt`
input argument.
output_type (`str`, *optional*, defaults to `"pil"`): output_type (`str`, *optional*, defaults to `"pil"`):
The output format of the generate image. Choose between The output format of the generate image. Choose between
[PIL](https://pillow.readthedocs.io/en/stable/): `PIL.Image.Image` or `np.array`. [PIL](https://pillow.readthedocs.io/en/stable/): `PIL.Image.Image` or `np.array`.
...@@ -759,6 +771,8 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -759,6 +771,8 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
negative_prompt, negative_prompt,
prompt_embeds=prompt_embeds, prompt_embeds=prompt_embeds,
negative_prompt_embeds=negative_prompt_embeds, negative_prompt_embeds=negative_prompt_embeds,
pooled_prompt_embeds=pooled_prompt_embeds,
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
lora_scale=text_encoder_lora_scale, lora_scale=text_encoder_lora_scale,
) )
...@@ -862,24 +876,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin): ...@@ -862,24 +876,18 @@ class StableDiffusionXLImg2ImgPipeline(DiffusionPipeline, FromSingleFileMixin):
if not output_type == "latent": if not output_type == "latent":
image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0] image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False)[0]
has_nsfw_concept = None
else: else:
image = latents image = latents
return StableDiffusionXLPipelineOutput(images=image, nsfw_content_detected=None) return StableDiffusionXLPipelineOutput(images=image)
if has_nsfw_concept is None:
do_denormalize = [True] * image.shape[0]
else:
do_denormalize = [not has_nsfw for has_nsfw in has_nsfw_concept]
image = self.watermark.apply_watermark(image) image = self.watermark.apply_watermark(image)
image = self.image_processor.postprocess(image, output_type=output_type, do_denormalize=do_denormalize) image = self.image_processor.postprocess(image, output_type=output_type)
# Offload last model to CPU # Offload last model to CPU
if hasattr(self, "final_offload_hook") and self.final_offload_hook is not None: if hasattr(self, "final_offload_hook") and self.final_offload_hook is not None:
self.final_offload_hook.offload() self.final_offload_hook.offload()
if not return_dict: if not return_dict:
return (image, has_nsfw_concept) return (image,)
return StableDiffusionXLPipelineOutput(images=image, nsfw_content_detected=has_nsfw_concept) return StableDiffusionXLPipelineOutput(images=image)
tests/pipelines/stable_diffusion_xl/test_stable_diffusion_xl.py
View file @ 78922ed7
...@@ -144,6 +144,46 @@ class StableDiffusionXLPipelineFastTests(PipelineLatentTesterMixin, PipelineTest ...@@ -144,6 +144,46 @@ class StableDiffusionXLPipelineFastTests(PipelineLatentTesterMixin, PipelineTest
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2 assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
def test_stable_diffusion_xl_negative_prompt_embeds(self):
components = self.get_dummy_components()
sd_pipe = StableDiffusionXLPipeline(**components)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe.set_progress_bar_config(disable=None)
# forward without prompt embeds
inputs = self.get_dummy_inputs(torch_device)
negative_prompt = 3 * ["this is a negative prompt"]
inputs["negative_prompt"] = negative_prompt
inputs["prompt"] = 3 * [inputs["prompt"]]
output = sd_pipe(**inputs)
image_slice_1 = output.images[0, -3:, -3:, -1]
# forward with prompt embeds
inputs = self.get_dummy_inputs(torch_device)
negative_prompt = 3 * ["this is a negative prompt"]
prompt = 3 * [inputs.pop("prompt")]
(
prompt_embeds,
negative_prompt_embeds,
pooled_prompt_embeds,
negative_pooled_prompt_embeds,
) = sd_pipe.encode_prompt(prompt, negative_prompt=negative_prompt)
output = sd_pipe(
**inputs,
prompt_embeds=prompt_embeds,
negative_prompt_embeds=negative_prompt_embeds,
pooled_prompt_embeds=pooled_prompt_embeds,
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
)
image_slice_2 = output.images[0, -3:, -3:, -1]
# make sure that it's equal
assert np.abs(image_slice_1.flatten() - image_slice_2.flatten()).max() < 1e-4
def test_attention_slicing_forward_pass(self): def test_attention_slicing_forward_pass(self):
super().test_attention_slicing_forward_pass(expected_max_diff=3e-3) super().test_attention_slicing_forward_pass(expected_max_diff=3e-3)
......
tests/pipelines/stable_diffusion_xl/test_stable_diffusion_xl_img2img.py
View file @ 78922ed7
...@@ -165,6 +165,46 @@ class StableDiffusionXLImg2ImgPipelineFastTests(PipelineLatentTesterMixin, Pipel ...@@ -165,6 +165,46 @@ class StableDiffusionXLImg2ImgPipelineFastTests(PipelineLatentTesterMixin, Pipel
def test_save_load_optional_components(self): def test_save_load_optional_components(self):
pass pass
def test_stable_diffusion_xl_img2img_negative_prompt_embeds(self):
components = self.get_dummy_components()
sd_pipe = StableDiffusionXLImg2ImgPipeline(**components)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe = sd_pipe.to(torch_device)
sd_pipe.set_progress_bar_config(disable=None)
# forward without prompt embeds
inputs = self.get_dummy_inputs(torch_device)
negative_prompt = 3 * ["this is a negative prompt"]
inputs["negative_prompt"] = negative_prompt
inputs["prompt"] = 3 * [inputs["prompt"]]
output = sd_pipe(**inputs)
image_slice_1 = output.images[0, -3:, -3:, -1]
# forward with prompt embeds
inputs = self.get_dummy_inputs(torch_device)
negative_prompt = 3 * ["this is a negative prompt"]
prompt = 3 * [inputs.pop("prompt")]
(
prompt_embeds,
negative_prompt_embeds,
pooled_prompt_embeds,
negative_pooled_prompt_embeds,
) = sd_pipe.encode_prompt(prompt, negative_prompt=negative_prompt)
output = sd_pipe(
**inputs,
prompt_embeds=prompt_embeds,
negative_prompt_embeds=negative_prompt_embeds,
pooled_prompt_embeds=pooled_prompt_embeds,
negative_pooled_prompt_embeds=negative_pooled_prompt_embeds,
)
image_slice_2 = output.images[0, -3:, -3:, -1]
# make sure that it's equal
assert np.abs(image_slice_1.flatten() - image_slice_2.flatten()).max() < 1e-4
@slow @slow
@require_torch_gpu @require_torch_gpu
......
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