VBO Issues in Chromium

No bounding box info – we can't just look at a VBO and know where the vertex coordinates are. We may always have to rely on user-provided bounding boxes.
Tilesort SPU currently broadcasts all VBO drawing commands. Not ideal.
Mixing client and server-side vertex array data doesn't work. In practice, that's an unusual scenario, though.
NVIDIA driver bugs.

No bounding box info – we can't just look at a VBO and know where the vertex coordinates are. We may always have to rely on user-provided bounding boxes.