diffusers/pipelines/stable_diffusion/clip_image_project_model.py

# Copyright 2023 The GLIGEN Authors and HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from torch import nn

from ...configuration_utils import ConfigMixin, register_to_config
from ...models.modeling_utils import ModelMixin


class CLIPImageProjection(ModelMixin, ConfigMixin):
    @register_to_config
    def __init__(self, hidden_size: int = 768):
        super().__init__()
        self.hidden_size = hidden_size
        self.project = nn.Linear(self.hidden_size, self.hidden_size, bias=False)

    def forward(self, x):
        return self.project(x)