Talk:Picom

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Usage

A note for the -b flag. It can cause display to freeze at least with xf86-video-ati and /etc/xdg/compton.conf

Autostarting section needs simplification or to be removed altogether. Ubone (talk) 17:58, 28 December 2017 (UTC)

Out dated

Is Compton#Firefox working for you? "class_g = 'Firefox' && argb", is not working for this, compton --version v0.1_beta2.5 ― Ubone (talk) 14:45, 2 August 2018 (UTC)

I also couldn't get Picom#Firefox to remove shadows from Firefox recently (by adding "class_g = 'Firefox' && argb", to the shadow-exclude array), which used to work earlier, so I looked into it. Turns out, the WM_CLASS variable for Firefox had changed from 'Firefox' to 'firefox' sometime in between. Then, when I used "class_g = 'firefox' && argb",, presto, it worked. The shadows were gone. It seems the problem was that the class_g variable for the Firefox window changed from 'Firefox' -> 'firefox'. Also, I think the WM_CLASS for Firefox ESR is different, but that's just my speculation.
Bonus tip, to find out the WM_CLASS for Firefox (aka class_g as specified by Picom), I used the command
$ xprop | grep "^WM_CLASS"
and then clicked on the Firefox window. -- CodingPotato (talk) 09:50, 12 April 2020 (UTC)

Deprecated options

With the new release of picom, some deprecated options we're removed and, if used, will prevent picom from launching. This is the case when using the suggested compton-conf tool to create these files. And, as noted here (https://github.com/lxqt/compton-conf/issues/150), the developers don't intend to adapt the tool to make picom-compatible files. Thus, the recommendation to use of this tool should be removed and, if possible, recommend other available tool.

—This unsigned comment is by Ev1lbl0w (talk) 13:16, 6 May 2020‎. Please sign your posts with ~~~~!

Remove the old config

The old config sets a bunch of deprecated options. It also sets glx backend, which is less compatible than xrender. Just use the developer's provided sample https://github.com/yshui/picom/blob/next/picom.sample.conf Tonij (talk) 15:19, 6 September 2020 (UTC)

How is this relevant to this page? -- Lahwaacz (talk) 15:45, 6 September 2020 (UTC)
It says there are two configs and to discuss what to do https://wiki.archlinux.org/index.php/Picom#Configuration
If the the package removes the old config that flag can be removed. Tonij (talk) 15:53, 6 September 2020 (UTC)
If you want to change the package, you need to use the bug tracker to submit a request. Can you please do that? -- Lahwaacz (talk) 17:28, 6 September 2020 (UTC)
Alright I added it thanks. Tonij (talk) 17:52, 6 September 2020 (UTC)