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sway-output(5)
# NAME
sway-output - output configuration commands for sway
# DESCRIPTION
You may combine output commands into one, like so:
output HDMI-A-1 mode 1920x1080 pos 1920 0 bg ~/wallpaper.png stretch
You can get a list of output names with *swaymsg -t get_outputs*. You may also
match any output by using the output name "\*". Additionally, "-" can be used
to match the focused output by name and "--" can be used to match the focused
output by its identifier.
Some outputs may have different names when disconnecting and reconnecting. To
identify these, the name can be substituted for a string consisting of the make,
model and serial which you can get from *swaymsg -t get_outputs*. Each value
must be separated by one space. For example:
output "Some Company ABC123 0x00000000" pos 1920 0
# COMMANDS
*output* <name> mode|resolution|res [--custom] <width>x<height>[@<rate>Hz]
Configures the specified output to use the given mode. Modes are a
combination of width and height (in pixels) and a refresh rate that your
display can be configured to use. For a list of available modes for each
output, use *swaymsg -t get_outputs*.
To set a custom mode not listed in the list of available modes, use
*--custom*. You should probably only use this if you know what you're
doing.
Examples:
output HDMI-A-1 mode 1920x1080
output HDMI-A-1 mode 1920x1080@60Hz
*output* <name> modeline <clock> <hdisplay> <hsync_start> <hsync_end> <htotal> <vdisplay> <vsync_start> <vsync_end> <vtotal> <hsync> <vsync>
Configures the specified output to use the given modeline. It can be
generated using *cvt*(1) and *gtf*(1) commands. See *xorg.conf*(5).
Only supported on DRM backend.
Example:
output HDMI-A-1 modeline 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
*output* <name> position|pos <X> <Y>
Places the specified output at the specific position in the global
coordinate space. The cursor may only be moved between immediately
adjacent outputs. If scaling is active, it has to be considered when
positioning. For example, if the scaling factor for the left output is
2, the relative position for the right output has to be divided by 2.
The reference point is the top left corner so if you want the bottoms
aligned this has to be considered as well.
Example:
output HDMI1 scale 2
output HDMI1 pos 0 1020 res 3200x1800
output eDP1 pos 1600 0 res 1920x1080
Note that the left x-pos of eDP1 is 1600 = 3200/2 and the bottom y-pos is
1020 + (1800 / 2) = 1920 = 0 + 1920
*output* <name> scale <factor>
Scales the specified output by the specified scale _factor_. An integer is
recommended, but fractional values are also supported. If a fractional
value are specified, be warned that it is not possible to faithfully
represent the contents of your windows - they will be rendered at the next
highest integer scale factor and downscaled. You may be better served by
setting an integer scale factor and adjusting the font size of your
applications to taste. HiDPI isn't supported with Xwayland clients (windows
will blur).
*output* <name> scale_filter linear|nearest|smart
Indicates how to scale application buffers that are rendered at a scale
lower than the output's configured scale, such as lo-dpi applications on
hi-dpi screens. Linear is smoother and blurrier, nearest (also known as
nearest neighbor) is sharper and blockier. Setting "smart" will apply
nearest scaling when the output has an integer scale factor, otherwise
linear. The default is "smart".
*output* <name> subpixel rgb|bgr|vrgb|vbgr|none
Manually sets the subpixel hinting for the specified output. This value is
usually auto-detected, but some displays may misreport their subpixel
geometry. Using the correct subpixel hinting allows for sharper text.
Incorrect values will result in blurrier text. When changing this via
*swaymsg*, some applications may need to be restarted to use the new value.
*output* <name> background|bg <file> <mode> [<fallback_color>]
Sets the wallpaper for the given output to the specified file, using the
given scaling mode (one of "stretch", "fill", "fit", "center", "tile"). If
the specified file cannot be accessed or if the image does not fill the entire
output, a fallback color may be provided to cover the rest of the output.
_fallback_color_ should be specified as _#RRGGBB_. Alpha is not supported.
*output* <name> background|bg <color> solid_color
Sets the background of the given output to the specified color. _color_
should be specified as _#RRGGBB_. Alpha is not supported.
*output* <name> transform <transform> [clockwise|anticlockwise]
Sets the background transform to the given value. Can be one of "90", "180",
"270" for rotation; or "flipped", "flipped-90", "flipped-180", "flipped-270"
to apply a rotation and flip, or "normal" to apply no transform. The
rotation is performed clockwise. If a single output is chosen and a
rotation direction is specified (_clockwise_ or _anticlockwise_) then the
transform is added or subtracted from the current transform (this cannot be
used directly in the configuration file).
*output* <name> disable|enable
Enables or disables the specified output (all outputs are enabled by
default).
As opposed to the _power_ command, the output will lose its current
workspace and windows.
*output* <name> toggle
Toggle the specified output.
*output* <name> power on|off|toggle
Turns on or off the specified output.
As opposed to the _enable_ and _disable_ commands, the output keeps its
current workspaces and windows.
*output* <name> dpms on|off|toggle
Deprecated. Alias for _power_.
*output* <name> max_render_time off|<msec>
Controls when sway composites the output, as a positive number of
milliseconds before the next display refresh. A smaller number leads to
fresher composited frames and lower perceived input latency, but if set too
low, sway may not finish compositing in time for display refresh, leading to
delayed frames.
When set to off, sway composites immediately after display refresh,
maximizing time available for compositing.
To adjust when applications are instructed to render, see *max_render_time*
in *sway*(5).
To set this up for optimal latency:
. Launch some _full-screen_ application that renders continuously, like
*glxgears*.
. Start with *max_render_time 1*. Increment by *1* if you see frame
drops.
This setting only has an effect on Wayland and DRM backends, as support for
presentation timestamps and predicted output refresh rate is required.
*output* <name> adaptive_sync on|off
Enables or disables adaptive synchronization (often referred to as Variable
Refresh Rate, or by the vendor-specific names FreeSync/G-Sync).
Adaptive sync allows clients to submit frames a little too late without
having to wait a whole refresh period to display it on screen. Enabling
adaptive sync can improve latency, but can cause flickering on some
hardware.
*output* <name> render_bit_depth 8|10
Controls the color channel bit depth at which frames are rendered; the
default is currently 8 bits per channel.
Setting higher values will not have an effect if hardware and software lack
support for such bit depths. Successfully increasing the render bit depth
will not necessarily increase the bit depth of the frames sent to a display.
An increased render bit depth may provide smoother rendering of gradients,
and screenshots which can more precisely store the colors of programs
which display high bit depth colors.
Warnings: this can break screenshot/screencast programs which have not been
updated to work with different bit depths. This command is experimental,
and may be removed or changed in the future.
# SEE ALSO
*sway*(5) *sway-input*(5)
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