Add a way to pass in extra information about camera views, this new
struct is merged with the old image boundary information struct.
Co-authored-by: Moses Turner <moses@collabora.com>
Co-authored-by: Jakob Bornecrantz <jakob@collabora.com>
Other trackers (e.g., psmv, slam, etc) work as sinks and the xfctx that manages
them is handled by the device providing the data streams. This change helps
the hand tracker have a more similar interface to other trackers.