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Add 'output render_bit_depth [8|10]' command

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This makes it possible to hint to the renderer and backends how many
bits per channel the buffers that the compositor draws windows onto
should have. Renderers and backends may deviate from this if they
do not support the formats with higher bit depth.
This commit is contained in:
Manuel Stoeckl 2021-09-02 21:45:23 -04:00 • committed by Simon Ser
parent 5865af75cf
commit a23cdbbea1
7 changed files with 92 additions and 0 deletions
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sway/sway-output.5.scd
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@ -157,6 +157,21 @@ must be separated by one space. For example:
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)