Allow controlling downscale and upscale methods in PatchModelAddDownscale.

comfy/utils.py

@@ -318,7 +318,9 @@ def bislerp(samples, width, height):
         coords_2 = torch.nn.functional.interpolate(coords_2, size=(1, length_new), mode="bilinear")
         coords_2 = coords_2.to(torch.int64)
         return ratios, coords_1, coords_2
-    
+
+    orig_dtype = samples.dtype
+    samples = samples.float()
     n,c,h,w = samples.shape
     h_new, w_new = (height, width)
     
@@ -347,7 +349,7 @@ def bislerp(samples, width, height):
 
     result = slerp(pass_1, pass_2, ratios)
     result = result.reshape(n, h_new, w_new, c).movedim(-1, 1)
-    return result
+    return result.to(orig_dtype)
 
 def lanczos(samples, width, height):
     images = [Image.fromarray(np.clip(255. * image.movedim(0, -1).cpu().numpy(), 0, 255).astype(np.uint8)) for image in samples]