Add SSD-1B as a supported model

3 files changed, 21 insertions, 3 deletions

diff --git a/modules/sd_hijack.py b/modules/sd_hijack.py
index 592f0055..d19f853e 100644
--- a/modules/sd_hijack.py
+++ b/modules/sd_hijack.py
@@ -180,6 +180,17 @@ class StableDiffusionModelHijack:
         except Exception as e:

             errors.display(e, "applying cross attention optimization")

             undo_optimizations()

+            

+    def conv_ssd(self, m):

+            delattr(m.model.diffusion_model.middle_block, '1')

+            delattr(m.model.diffusion_model.middle_block, '2')

+            for i in ['9','8','7','6','5','4']:

+                delattr(m.model.diffusion_model.input_blocks[7][1].transformer_blocks,i)

+                delattr(m.model.diffusion_model.input_blocks[8][1].transformer_blocks,i)

+                delattr(m.model.diffusion_model.output_blocks[0][1].transformer_blocks,i)

+                delattr(m.model.diffusion_model.output_blocks[1][1].transformer_blocks,i)

+            delattr(m.model.diffusion_model.output_blocks[4][1].transformer_blocks,'1')

+            delattr(m.model.diffusion_model.output_blocks[5][1].transformer_blocks,'1') 

 

     def hijack(self, m):

         conditioner = getattr(m, 'conditioner', None)

diff --git a/modules/sd_models.py b/modules/sd_models.py
index 930d0bee..ef96d29d 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -346,10 +346,14 @@ def load_model_weights(model, checkpoint_info: CheckpointInfo, state_dict, timer
     model.is_sdxl = hasattr(model, 'conditioner')

     model.is_sd2 = not model.is_sdxl and hasattr(model.cond_stage_model, 'model')

     model.is_sd1 = not model.is_sdxl and not model.is_sd2

-

+    model.is_ssd = model.is_sdxl and 'model.diffusion_model.middle_block.1.transformer_blocks.0.attn1.to_q.weight' not in state_dict.keys()

+    

     if model.is_sdxl:

         sd_models_xl.extend_sdxl(model)

-

+    

+    if model.is_ssd:

+        sd_hijack.model_hijack.conv_ssd(model)

+        

     model.load_state_dict(state_dict, strict=False)

     timer.record("apply weights to model")

 

diff --git a/modules/sd_models_types.py b/modules/sd_models_types.py
index 5ffd2f4f..1f28942a 100644
--- a/modules/sd_models_types.py
+++ b/modules/sd_models_types.py
@@ -22,7 +22,10 @@ class WebuiSdModel(LatentDiffusion):
     """structure with additional information about the file with model's weights"""

 

     is_sdxl: bool

-    """True if the model's architecture is SDXL"""

+    """True if the model's architecture is SDXL or SSD"""

+    

+    is_ssd: bool

+    """True if the model is SSD"""

 

     is_sd2: bool

     """True if the model's architecture is SD 2.x"""