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→Small devices backend
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== Small devices backend == | == Small devices backend == | ||
we | ScummVM has been ported to many platforms, often by simply re-using the SDL backend (which is based on [[http:://www.libsdl.org|SDL]], which by itself has been ported to many platforms, making it usually easy to port ScummVM to any of these platforms, too). | ||
But for some platforms, dedicated backends are required -- either because SDL doesn't support them, or because we can't achieve all our needs by using the SDL port (e.g. because we need more speed, more control, etc.). These backends are typically made for what we call "small systems" -- systems like PDAs or smartphones (PalmOS, Symbian, WinCE), or game consoles (Dreamcast, GP2X/GP32, Nintendo DS, PlayStation 2, PlayStation Portable). These systems share many features. In particular they often have no (full) keyboard and quite limited resources: Little RAM, little permanent storage space, not that much CPU power, or a limited screen resolution. | |||
This makes it often necessary to (re)implement certain functionality, like virtual keyboards, or graphic downscalers. Since the same needs occur again and again, it would be nice to implement such functionality only once in a sufficiently portable and flexible way, making it possible for backends to pick and use whatever they need. Details and further suggestions as to how to achieved this can be found on the [[Small Devices Backend]] page. | |||
Besides this, optimizing code for speed and memory usage benefits all our targets, and in particular these "small devices". Hence doing this is a worthy goal on its own. | |||
== Revise FilesystemNode system == | == Revise FilesystemNode system == | ||