## Options

(global-arw-file)=
### `arw-file`

Make server Wayland socket readable and writeable by all users. For debugging purposes only.

(global-composite-delay)=
### `composite-delay`

Number of milliseconds to wait for new frames from clients before compositing. Higher values result in lower latency but risk causing frame skipping.

Defaults to `0`.

(global-compositor-report)=
### `compositor-report`

Configure compositor reporting. [{off,log,lttng}]

Defaults to `off`.

(global-console-provider)=
### `console-provider`

Method used to handle console-related tasks (device handling, VT switching, etc):
 - `logind`: use logind.
 - `vt`: use the Linux VT subsystem. Requires root.
 - `none`: support no console-related tasks. Useful for nested platforms which do not need raw device access and which don't have a VT concept.
 - `auto`: detect the appropriate provider.

Defaults to `auto`.

(global-cursor)=
### `cursor`

Cursor type:
 - `auto`: use hardware if available, or fallback to software.
 - `null`: cursor disabled.
 - `software`: always use software cursor.

Defaults to `auto`.

(global-debug)=
### `debug`

Enable debugging information. Useful when developing Mir servers.

(global-display-report)=
### `display-report`

Configure display reporting. [{off,log,lttng}]

Defaults to `off`.

(global-enable-input)=
### `enable-input`

Enable input.

Defaults to `1`.

(global-enable-key-repeat)=
### `enable-key-repeat`

Enable server generated key repeat.

Defaults to `1`.

(global-enable-touchspots)=
### `enable-touchspots`

Enable visual feedback of touch events. Useful for screencasting.

(global-env-hacks)=
### `env-hacks`

Colon separated list of environment variable settings.

(global-help)=
### `help`

Show command line help.

(global-help-markdown)=
### `help-markdown`

Show command line options in markdown format suitable for including into a document.

(global-idle-timeout)=
### `idle-timeout`

Number of seconds Mir will remain idle before turning off the display when the session is not locked, or 0 to keep display on forever.

Defaults to `0`.

(global-idle-timeout-when-locked)=
### `idle-timeout-when-locked`

Number of seconds Mir will remain idle before turning off the display when the session is locked, or 0 to keep the display on forever.

Defaults to `0`.

(global-input-report)=
### `input-report`

Configure input reporting. [{off,log,lttng}]

Defaults to `off`.

(global-key-repeat-delay)=
### `key-repeat-delay`

Number of millisecond to hold down a key before generating repeat events.

Defaults to `600`.

(global-key-repeat-rate)=
### `key-repeat-rate`

Number of milliseconds between generated key repeat events.

Defaults to `25`.

(global-mouse-cursor-acceleration)=
### `mouse-cursor-acceleration`

Acceleration profile for mice and trackballs:
 - `none`: no acceleration.
 - `adaptive`: cursor is accelerated.

(global-mouse-cursor-acceleration-bias)=
### `mouse-cursor-acceleration-bias`

Pointer acceleration speed of mice. Must be within range of [-1.0, 1.0].

(global-mouse-handedness)=
### `mouse-handedness`

Mouse laterality:
 - `right`: left button is primary.
 - `left`: right button is primary.

(global-mouse-horizontal-scroll-speed-override)=
### `mouse-horizontal-scroll-speed-override`

Mouse horizontal scroll speed scaling factor. Use negative values for natural scrolling.

(global-mouse-scroll-speed)=
### `mouse-scroll-speed`

Mouse scroll speed scaling factor. Use negative values for natural scrolling.

(global-mouse-vertical-scroll-speed-override)=
### `mouse-vertical-scroll-speed-override`

Mouse vertical scroll speed scaling factor. Use negative values for natural scrolling.

(global-on-fatal-error-except)=
### `on-fatal-error-except`

Throw an exception when a fatal error condition occurs. This replaces the default behaviour of dumping core and can make it easier to diagnose issues.

(global-platform-display-libs)=
### `platform-display-libs`

Comma separated list of libraries to use for platform output support, e.g. `mir:x11,mir:wayland`. If not provided the libraries are autodetected.

(global-platform-input-lib)=
### `platform-input-lib`

Library to use for platform input support, e.g. `mir:stub-input`. If not provided this is autodetected.

(global-platform-path)=
### `platform-path`

Directory to look for platform libraries.

Defaults to `<LIBDIR>/mir/server-platform`.

(global-platform-rendering-libs)=
### `platform-rendering-libs`

Comma separated list of libraries to use for platform rendering support, e.g. `mir:egl-generic`. If not provided the libraries are autodetected.

(global-scene-report)=
### `scene-report`

Configure scene reporting. [{off,log,lttng}]

Defaults to `off`.

(global-seat-report)=
### `seat-report`

Configure seat reporting. [{off,log}]

Defaults to `off`.

(global-shared-library-prober-report)=
### `shared-library-prober-report`

Configure shared library prober reporting. [{log,off,lttng}]

Defaults to `log`.

(global-shell-report)=
### `shell-report`

Configure shell reporting. [{off,log}]

Defaults to `off`.

(global-touchpad-click-mode)=
### `touchpad-click-mode`

Click mode for touchpad. Left, middle and right button click events generated when:
 - `none`: no events generated.
 - `area`: single finger tap on left, middle or right area.
 - `clickfinger`: one, two or three fingers present when touchpad pushed down.

(global-touchpad-cursor-acceleration)=
### `touchpad-cursor-acceleration`

Acceleration profile for touchpads:
 - `none`: no acceleration.
 - `adaptive`: cursor accelerates.

(global-touchpad-cursor-acceleration-bias)=
### `touchpad-cursor-acceleration-bias`

Pointer acceleration speed scaling factor for touchpads. Must be within range of [-1.0, 1.0].

(global-touchpad-disable-while-typing)=
### `touchpad-disable-while-typing`

Disable touchpad while typing on keyboard. [true, false]

(global-touchpad-disable-with-external-mouse)=
### `touchpad-disable-with-external-mouse`

Disable touchpad if an external pointer device is plugged in. [true, false]

(global-touchpad-horizontal-scroll-speed-override)=
### `touchpad-horizontal-scroll-speed-override`

Touchpad horizontal scroll scaling factor. Use negative values for natural scrolling.

(global-touchpad-middle-mouse-button-emulation)=
### `touchpad-middle-mouse-button-emulation`

Generate middle mouse button click from a simultaneous left and right button click.

(global-touchpad-scroll-mode)=
### `touchpad-scroll-mode`

Scroll mode for touchpads. Generates scroll events when:
 - `edge`: single finger moves on right or bottom edges of touchpad.
 - `two-finger`: two fingers move horizontally or vertically.
 - `button-down`: mouse button held down.

(global-touchpad-scroll-speed)=
### `touchpad-scroll-speed`

Touchpad scroll scaling factor. Use negative values for natural scrolling.

(global-touchpad-tap-to-click)=
### `touchpad-tap-to-click`

Enable or disable tap-to-click on this device. If enabled 1, 2, and 3 finger taps are mapped to left, right, middle click events. [true, false]

(global-touchpad-vertical-scroll-speed-override)=
### `touchpad-vertical-scroll-speed-override`

Touchpad vertical scroll scaling factor. Use negative values for natural scrolling.

(global-version)=
### `version`

Display Mir version and exit.

(global-vt)=
### `vt`

VT to run on or 0 to use current. Only used when `--console-provider=vt`.

Defaults to `0`.

(global-vt-switching)=
### `vt-switching`

Enable VT switching on Ctrl+Alt+F*. Only used when `--console-provider=vt|logind`.

Defaults to `1`.

(global-window-management-trace)=
### `window-management-trace`

Log trace message
## Options for mir:atomic-kms platform

(mir-atomic-kms-bypass)=
### `bypass`

Enable bypass optimization for fullscreen surfaces.

Defaults to `0`.

(mir-atomic-kms-driver-quirks)=
### `driver-quirks`

Driver quirks to apply. May be specified multiple times; multiple quirks are combined.
## Options for mir:gbm-kms platform

(mir-gbm-kms-bypass)=
### `bypass`

Enable bypass optimization for fullscreen surfaces.

Defaults to `0`.

(mir-gbm-kms-driver-quirks)=
### `driver-quirks`

Driver quirks to apply. May be specified multiple times; multiple quirks are combined.
## Options for mir:virtual platform

(mir-virtual-virtual-output)=
### `virtual-output`

Colon separated list of outputs to use. Dimensions are in the form `WIDTHxHEIGHT`, e.g. `1920x1080:3840x2160`.
## Options for mir:wayland platform

(mir-wayland-wayland-host)=
### `wayland-host`

Display name for host compositor, e.g. `wayland-0`.

(mir-wayland-wayland-surface-app-id)=
### `wayland-surface-app-id`

Application ID for the window containing the Mir output.

(mir-wayland-wayland-surface-title)=
### `wayland-surface-title`

Title of the window containing the Mir output.
## Options for mir:x11 platform

(mir-x11-x11-output)=
### `x11-output`

Colon separated list of outputs to use. Dimensions are in the form `WIDTHxHEIGHT[^SCALE]`, e.g. `1920x1080:3840x2160^2`.

Defaults to `1280x1024`.

(mir-x11-x11-window-title)=
### `x11-window-title`

Title of the window containing the Mir output.

Defaults to `Mir on X`.