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A lightweight compositor for X11
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Tim Siegel 5a2115033e
README: Move old historical info out of main README 
The picom project is no longer a fledgling fork needing to justify its
existence. The README should present the user with relevant information
regarding the current project rather than apologies for a 6-year-old
fork of a longer-defunct prior project.

1. Rename README_orig.md to History.md, so it can contain other content
   of a historical nature.
2. Move still-relevant historical content from README to History.
3. Add a brief intro blurb to README saying that picom is an X
   compositor.
4. Mention Compton in the CONTRIBUTORS section.
5. Point to licensing information from README.
 		2022-04-12 09:43:57 -04:00
.builds ci: freebsd: add missing dependency 2020-10-25 07:03:29 +00:00
.circleci circleci: rename "-Dbuild_docs" -> "-Dwith_docs" 2021-01-06 00:08:21 -03:00
.github ci: fix codeql tasks 2022-02-13 14:07:12 +00:00
LICENSES More license stuff... 2018-10-04 11:18:09 +01:00
bin picom-trans: Added SPDX-License-Identifier 2021-07-23 21:15:53 +01:00
dbus-examples Update inverter.sh 2020-04-01 04:50:03 +00:00
man Formally deprecate --menu-opacity 2022-01-24 18:44:31 +00:00
media Added 48x48px raster of initial Compton logo 2015-09-17 21:57:11 -04:00
meson Made meson/install.sh executable 2022-04-12 05:41:41 +00:00
src backend: gl: apply postprocessing to border_color 2022-02-13 13:54:25 +00:00
subprojects/test.h test.h: make sure clang-format doesn't reorder the headers 2019-11-11 21:55:23 +00:00
tests tests: set dbus request to the right path 2022-01-27 02:38:52 +00:00
.clang-format file_watch: use kqueue on *BSD platforms 2019-11-11 21:22:57 +00:00
.clang-tidy backend: rename copy -> clone_image 2021-06-14 01:58:30 +01:00
.editorconfig Coding style change 2019-02-07 21:37:13 +00:00
.gitignore gitignore: ignore language server indices 2020-08-30 17:57:05 +01:00
.gitmodules Vendor test.h 2019-08-04 13:49:28 +01:00
CONTRIBUTORS Update CONTRIBUTORS 2022-01-27 11:21:30 +00:00
COPYING rename: documentation changes 2019-10-23 20:24:25 +01:00
Doxyfile Fix small misspellings 2019-01-28 10:58:14 +01:00
History.md README: Move old historical info out of main README 2022-04-12 09:43:57 -04:00
LICENSE.spdx rename: documentation changes 2019-10-23 20:24:25 +01:00
README.md README: Move old historical info out of main README 2022-04-12 09:43:57 -04:00
compton-default-fshader-win.glsl Feature: #183 custom window shader & #193 --no-fading-destroyed-argb 2014-05-16 15:18:17 +08:00
compton-fake-transparency-fshader-win.glsl Feature: #183 custom window shader & #193 --no-fading-destroyed-argb 2014-05-16 15:18:17 +08:00
compton.desktop set .desktop files to NoDisplay=true 2020-12-14 14:54:33 +01:00
desc.txt Misc: #49: Add CMake support 2012-10-03 13:34:54 +08:00
meson.build Bump version number 2022-02-06 20:59:45 +00:00
meson_options.txt meson: Allow building without compton compat. 2020-05-28 07:05:05 -07:00
picom-dbus.desktop set .desktop files to NoDisplay=true 2020-12-14 14:54:33 +01:00
picom.desktop Support Menu Icon 2021-03-03 00:01:55 -08:00
picom.sample.conf config_libconfig: add dbus option 2022-02-04 16:02:03 +00:00

README.md

picom

picom is a compositor for X, and a fork of Compton.

This is a development branch, bugs to be expected

You can leave your feedback or thoughts in the discussion tab.

Call for testers

--experimental-backends

This flag enables the refactored/partially rewritten backends.

Currently, new backends feature better vsync with the xrender backend and improved input lag with the glx backend (for non-NVIDIA users). The performance should be on par with the old backends.

New backend features will only be implemented on the new backends from now on, and the old backends will eventually be phased out after the new backends stabilize.

To test the new backends, add the --experimental-backends flag to the command you use to run picom. This flag is not available from the configuration file.

To report issues with the new backends, please state explicitly you are using the new backends in your report.

Change Log

See Releases

Build

Dependencies

Assuming you already have all the usual building tools installed (e.g. gcc, python, meson, ninja, etc.), you still need:

  • libx11
  • libx11-xcb
  • libXext
  • xproto
  • xcb
  • xcb-damage
  • xcb-xfixes
  • xcb-shape
  • xcb-renderutil
  • xcb-render
  • xcb-randr
  • xcb-composite
  • xcb-image
  • xcb-present
  • xcb-xinerama
  • xcb-glx
  • pixman
  • libdbus (optional, disable with the -Ddbus=false meson configure flag)
  • libconfig (optional, disable with the -Dconfig_file=false meson configure flag)
  • libGL (optional, disable with the -Dopengl=false meson configure flag)
  • libpcre (optional, disable with the -Dregex=false meson configure flag)
  • libev
  • uthash

On Debian based distributions (e.g. Ubuntu), the needed packages are

libxext-dev libxcb1-dev libxcb-damage0-dev libxcb-xfixes0-dev libxcb-shape0-dev libxcb-render-util0-dev libxcb-render0-dev libxcb-randr0-dev libxcb-composite0-dev libxcb-image0-dev libxcb-present-dev libxcb-xinerama0-dev libxcb-glx0-dev libpixman-1-dev libdbus-1-dev libconfig-dev libgl1-mesa-dev libpcre2-dev libpcre3-dev libevdev-dev uthash-dev libev-dev libx11-xcb-dev meson

On Fedora, the needed packages are

dbus-devel gcc git libconfig-devel libdrm-devel libev-devel libX11-devel libX11-xcb libXext-devel libxcb-devel mesa-libGL-devel meson pcre-devel pixman-devel uthash-devel xcb-util-image-devel xcb-util-renderutil-devel xorg-x11-proto-devel

To build the documents, you need asciidoc

To build

$ git submodule update --init --recursive
$ meson --buildtype=release . build
$ ninja -C build

Built binary can be found in build/src

If you have libraries and/or headers installed at non-default location (e.g. under /usr/local/), you might need to tell meson about them, since meson doesn't look for dependencies there by default.

You can do that by setting the CPPFLAGS and LDFLAGS environment variables when running meson. Like this:

$ LDFLAGS="-L/path/to/libraries" CPPFLAGS="-I/path/to/headers" meson --buildtype=release . build

As an example, on FreeBSD, you might have to run meson with:

$ LDFLAGS="-L/usr/local/lib" CPPFLAGS="-I/usr/local/include" meson --buildtype=release . build
$ ninja -C build

To install

$ ninja -C build install

Default install prefix is /usr/local, you can change it with meson configure -Dprefix=<path> build

How to Contribute

Code

You can look at the Projects page, and see if there is anything that interests you. Or you can take a look at the Issues.

Non-code

Even if you don't want to contribute code, you can still contribute by compiling and running this branch, and report any issue you can find.

Contributions to the documents and wiki will also be appreciated.

Contributors

See CONTRIBUTORS

The README for the original Compton project can be found here.

Licensing

picom is free software, made available under the MIT and MPL-2.0 software licenses. See the individual source files for details.