Updated the DirectFB support, from Couriersud attached is a working directfb driver diff which works with the current changes. There are a number of changes around it as well, e.g. configure.in. The directfb renderdriver right now still depends on a some "includes" from src/video/directfb. That's why it is not yet moved to the new render folder.

This is a list of API changes in SDL's version history.