Supported MacOSX graphic drivers.
MacOS X Allegro supports the following card parameters for the
This closes any graphics mode previously opened with set_gfx_mode.
Let Allegro pick an appropriate graphics driver.
Autodetects a graphics driver, but will only use fullscreen drivers,
failing if these are not available on current platform.
Same as above, but uses only windowed drivers.
Special driver for when you want to reliably set a graphics mode and
don't really care what resolution. See the set_gfx_mode()
documentation for details.
Fullscreen exclusive mode, using the CGDirectDisplay interface.
Supports only resolutions higher or equal to 640x480, and uses
hardware acceleration if available.
Windowed mode using QuickDraw in a Cocoa window.