fix(api): tile stages based on input image or size param

api/onnx_web/chain/base.py

@@ -11,7 +11,7 @@ from ..server import ServerContext
 from ..utils import is_debug
 from ..worker import ProgressCallback, WorkerContext
 from .stage import BaseStage
-from .tile import process_tile_order
+from .tile import needs_tile, process_tile_order
 
 logger = getLogger(__name__)
 
@@ -149,13 +149,16 @@ class ChainPipeline:
                     "running stage %s without source image, %s", name, kwargs.keys()
                 )
 
-            if image is not None and (
-                image.width > stage_params.tile_size
-                or image.height > stage_params.tile_size
+            if needs_tile(
+                stage_pipe.max_tile,
+                stage_params.tile_size,
+                size=kwargs.get("size", None),
+                source=image,
             ):
+                tile = min(stage_pipe.max_tile, stage_params.tile_size)
                 logger.info(
                     "image larger than tile size of %s, tiling stage",
-                    stage_params.tile_size,
+                    tile,
                 )
 
                 def stage_tile(tile: Image.Image, _dims) -> Image.Image:
@@ -177,7 +180,7 @@ class ChainPipeline:
                 image = process_tile_order(
                     stage_params.tile_order,
                     image,
-                    stage_params.tile_size,
+                    tile,
                     stage_params.outscale,
                     [stage_tile],
                     **kwargs,

api/onnx_web/chain/tile.py

@@ -1,11 +1,11 @@
 from logging import getLogger
 from math import ceil
-from typing import List, Protocol, Tuple
+from typing import List, Optional, Protocol, Tuple
 
 import numpy as np
 from PIL import Image
 
-from ..params import TileOrder
+from ..params import Size, TileOrder
 
 # from skimage.exposure import match_histograms
 
@@ -37,6 +37,23 @@ def complete_tile(
     return source
 
 
+def needs_tile(
+    max_tile: int,
+    stage_tile: int,
+    size: Optional[Size] = None,
+    source: Optional[Image.Image] = None,
+) -> bool:
+    tile = min(max_tile, stage_tile)
+
+    if source is not None:
+        return source.width > tile or source.height > tile
+
+    if size is not None:
+        return size.width > tile or size.height > tile
+
+    return False
+
+
 def get_tile_grads(
     left: int,
     top: int,