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SDL-Specific Commandline Options
================================
This section contains configuration options that are specific to any build supported by SDL (including Windows where compiled as SDL instead of native).
Performance Options
-------------------
.. _mame-scommandline-sdlvideofps:
**-sdlvideofps**
Enable output of benchmark data on the SDL video subsystem, including your system's video driver, X server (if applicable), and OpenGL stack in **-video opengl** mode.
Video Options
-------------
.. _mame-scommandline-centerh:
**-[no]centerh**
Center horizontally within the view area. Default is ON (**-centerh**).
.. _mame-scommandline-centerv:
**-[no]centerv**
Center vertically within the view area. Default is ON (**-centerv**).
Video Soft-Specific Options
---------------------------
.. _mame-scommandline-scalemode:
**-scalemode**
Scale mode: none, async, yv12, yuy2, yv12x2, yuy2x2 (**-video soft** only). Default is *none*.
SDL Keyboard Mapping
--------------------
.. _mame-scommandline-keymap:
**-keymap**
Enable keymap. Default is OFF (**-nokeymap**)
.. _mame-scommandline-keymapfile:
**-keymap_file** *<file>*
Keymap Filename. Default is ``keymap.dat``.
SDL Joystick Mapping
--------------------
.. _mame-scommandline-joyidx:
|
| **-joy_idx1** *<name>*
| **-joy_idx2** *<name>*
| ...
| **-joy_idx8** *<name>*
|
Name of joystick mapped to a given joystick slot, default is *auto*.
.. _mame-scommandline-sixaxis:
**-sixaxis**
Use special handling for PS3 SixAxis controllers. Default is OFF (**-nosixaxis**)
SDL Low-level Driver Options
~---------------------------
.. _mame-scommandline-videodriver:
**-videodriver** *<driver>*
SDL video driver to use ('x11', 'directfb', ... or '*auto*' for SDL default)
.. _mame-scommandline-audiodriver:
**-audiodriver** *<driver>*
SDL audio driver to use ('alsa', 'arts', ... or '*auto*' for SDL default)
.. _mame-scommandline-gllib:
**-gl_lib** *<driver>*
Alternative **libGL.so** to use; '*auto*' for system default
|