diff --git a/stb_image_resize.h b/stb_image_resize.h
index d080721..bfed013 100644
--- a/stb_image_resize.h
+++ b/stb_image_resize.h
@@ -166,6 +166,8 @@
 
    TODO
       Don't decode all of the image data when only processing a partial tile
+      Don't use full-width decode buffers when only processing a partial tile
+      When doing huge upscaling, break scanlines into smaller blocks that fit in L1 cache
       Installable filters?
       Resize that respects alpha test coverage
          (Reference code: FloatImage::alphaTestCoverage and FloatImage::scaleAlphaToCoverage: