Stable Cascade Stage C.

comfy/supported_models.py

@@ -306,5 +306,38 @@ class SD_X4Upscaler(SD20):
         out = model_base.SD_X4Upscaler(self, device=device)
         return out
 
-models = [Stable_Zero123, SD15, SD20, SD21UnclipL, SD21UnclipH, SDXLRefiner, SDXL, SSD1B, Segmind_Vega, SD_X4Upscaler]
+class Stable_Cascade_C(supported_models_base.BASE):
+    unet_config = {
+        "stable_cascade_stage": 'c',
+    }
+
+    unet_extra_config = {}
+
+    latent_format = latent_formats.SC_Prior
+    supported_inference_dtypes = [torch.bfloat16, torch.float32]
+
+    def process_unet_state_dict(self, state_dict):
+        key_list = list(state_dict.keys())
+        for y in ["weight", "bias"]:
+            suffix = "in_proj_{}".format(y)
+            keys = filter(lambda a: a.endswith(suffix), key_list)
+            for k_from in keys:
+                weights = state_dict.pop(k_from)
+                prefix = k_from[:-(len(suffix) + 1)]
+                shape_from = weights.shape[0] // 3
+                for x in range(3):
+                    p = ["to_q", "to_k", "to_v"]
+                    k_to = "{}.{}.{}".format(prefix, p[x], y)
+                    state_dict[k_to] = weights[shape_from*x:shape_from*(x + 1)]
+        return state_dict
+
+    def get_model(self, state_dict, prefix="", device=None):
+        out = model_base.StableCascade_C(self, device=device)
+        return out
+
+    def clip_target(self):
+        return None
+
+
+models = [Stable_Zero123, SD15, SD20, SD21UnclipL, SD21UnclipH, SDXLRefiner, SDXL, SSD1B, Segmind_Vega, SD_X4Upscaler, Stable_Cascade_C]
 models += [SVD_img2vid]