Questions tagged [compositing]

A compositing window manager, or compositor is a window manager that provides applications with an off-screen buffer for each window.

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Raspberry 4b, 8GB of RAM, Youtube playback issue, video tearing, choppy, looks like 4 fps

I have this video playback issue with my Raspberry Pi 4b, 8GB of RAM. My operating system is UBUNTU Desktop, 64 bit version. spinn2046@UbuntuDesktop:~$ uname -a Linux UbuntuDesktop 5.11.0-1027-raspi #...
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KWin lags severely after closing an OpenGL program, but only with external monitor connected

When my external monitor is connected (HDMI) to my laptop and I close an OpenGL program, all my desktop windows lag and appear to only refresh about once every two seconds. I've looked around and ...
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KDE animations do not work when using the on-demand Nvidia mode if compositor is set to use OpenGL 2/3

When I switch to use the on-demand function (using the command sudo prime-select on-demand), the KDE animations render at literally 1 FPS, unless I change the Rendering backend option to XRender. It ...
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What compositor does Ubuntu 20.10 use by default

I have done a clean minimal install of Ubuntu 20.10 in a VMWare Player virtual machine, running on an Intel Core i9 based PC. I would like to know which compositor is used by default. I am using the ...
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Different transparency settings for different applications on Lubuntu?

I am using Lubuntu 20.10 and the file manager (PCManFM) looks lovely when active window transparency (in 'window effects' settings) is set below 100% (running compton). Unfortunately this makes other ...
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Does Marco's compositor affect battery life and/or performance?

I am new to Ubuntu/Linux, so please bear with me. I am using Ubuntu MATE on a laptop, and I'd like to optimize battery life as much as I can. I noticed that the Marco window manager can be set to have ...
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1 answer
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Broken graphics after upgrading to 20.04

I have just upgraded to Ubuntu MATE 20.04 (from version 18) and my graphics are broken. I think it might be the composer's fault, since I saw Compton was uninstalled. How could I fix this? Screenshot ...
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Corrupt rendering in awesomewm/openbox

I experience corrupted rendering of certain applications with window managers like awesome and openbox, but not with full compositing systems (Gnome under X11, Wayland, etc.). Resizing or moving the ...
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GPU accelerated compositing in Chrome

I am running Ubuntu 19.10 with Intel graphics (i7-8565U) and Google Chrome 80.0.3987.122. I enabled flags #enable-gpu-rasterization, #enable-zero-copy, #ignore-gpu-blacklist. I also enabled #tint-gl-...
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3 votes
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Is it just me or has Mutter stopped unredirecting full screen program displays?

In 19.04, in X sessions, fullscreen displays such as Youtube videos were unredirected from Mutter compositing. That was obvious while using the intel modesetting driver, from the tearing. However, ...
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Kubuntu 18.04 composition font artefacts

I'm using Kubuntu 18.04 and after a regular reboot, I started to have issues with the font rendering. I don't know which packages were installed before the reboot. Can anybody suggest me what ...
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Last update broke transparencies

I have Kubuntu 16.04 on a Thinkpad T450s with no dedicated GPU. I always used XRender. After the last update, compositing does not seem to work anymore: in particular, the Konsole background is not ...
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In XFCE, how to avoid new windows being covered by top panel

I'm using Ubuntu 17.10, have installed the xubuntu-desktop package, and am using XFCE as my desktop environment. I've increased the height of the top panel from the default 24 pixels to 30 pixels. I'...
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Qt5/QML application doesn't use compositing anymore

I am running a custom developed desktop environment on Kubuntu 17.04, which uses Qt5. I use QQuickWindows for UI elements. I still use X11 for now, but I'm keen to migrate to Wayland soon. I use ...
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How to set application's transparency/opacity in Kubuntu 16.04? [duplicate]

With Compton, it's possible to have opacity rules like this: opacity-rule = [ "60:name ~= '^Mahjongg$'", "70:name ~= 'Settings - Google Chrome$'", "70:name ~= '...
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Mendeleydesktop does not load full screen on Ubuntu 16.04

I have been using MendeleyDesktop 1.17.9 for a while, but for some reason this week the app is not loading properly. For some reason it seems to only load part of the screen and it will not let me ...
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How to exclude the Fluxbox taskbar from Compton (shadowing)?

I'm using Fluxbox as windowmanager, and wish to use Compton as compositor. But i'm unable to exclude Fluxbox's taskbar from Compton's (shadow) effects. How can i get Compton to ignore the Fluxbox ...
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How do I get rid of black bars around windows?

Ever since I upgraded to 16.10, after I suspend, drop shadows from the compositor are just black bars: I don't think this is an X or kernel bug, because if I run DISPLAY=:0 unity --replace, the ...
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Kubuntu 16.04.1 (plasma 5.6.5) compositor glitching

Usually, when I'm watching youtube, little black boxes flash everywhere on the screen and it's really annoying. Changing the compositor settings to full screen repaints and opengl 3.1 seemed to help, ...
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2 answers
3k views

Disable compositing completely ubuntu 16.04

I have a clean install of ubuntu 16.04.1. I would like to disable compositing completely. I need to run ABAQUS, and the graphics window becomes transparent if compositing is enabled. Previously I used ...
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wide/double window shadows on Xubuntu 16.04 with Compton

I installed Compton using this tutorial to reduce screen tearing on my Xubuntu 16.04. Unfortunately, there are strange shadows like in this picture, but only around a few apps (for example Catfish or ...
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Is there a way to make the terminal show a background with compositing

I like using window compositing because it makes all my windows look good and have shadows, however it makes the terminal show through when I have it on. Is there a way to disable window compositing ...
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4 votes
1 answer
25k views

How to correctly install Compiz on Xfce 4?

As I understand, Compiz can be installed as the compositing-manager on various desktop environments. I am using Ubuntu Studio 15.10 with Xfce 4.12 and I want to install Compiz in its basic ...
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2 votes
1 answer
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Compton: Incorrect shadow display (favourite settings)?

I am experiencing problems with the shadow display of the Compton composite manager. In certain situations, the frame for the shadows exceeds the window it is applied to, leaving a visible border and ...
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What kind of sources can be put into Natron or other Compositors for Linux?

I read the article on Compositing on Wikipedia and few other random pages, yet I have still an open Question. I know for sure, that the kind of sources that can be put into any Compositor are pictures,...
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3 answers
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What are the steps to install Natron on Ubuntu?

At first I tried to install from the official sources, Natron was not there, so I searched for a PPA and I did not find Natron. Now I read something about binaries and an install script, it did not ...
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KDE Compositor "disconnecting"

When using KDE, I have the following occur after the desktop has been used heavily for several days: The compositor stops working properly for one or more applications. An example of this would be ...
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4 answers
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hardware rendering issues with nvidia-304 in kubuntu 15.04

I'm experiencing a similar problem to this thread in my personal machine (pentium 4 3GHz, 2GB ram, GeForce 6200 using nvidia-304). After the update to Kubuntu 15.04, the desktop showed nothing but a ...
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2 votes
1 answer
2k views

How do I avoid Compton drawing shadows on the Gnome-Do window?

Compton can draw shadows under windows, which is nice, but unfortunately it draws shadows under the Gnome-Do window, which ends up like this: Is it possible to keep that from happening?
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Why isn't compositing enabled by default on Lubuntu?

If I have an Nvidia card and I don't have compositing enabled, is my CPU doing all the desktop rendering? And would it follow on that if I enabled compositing somehow, that everything on the desktop ...
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7 votes
2 answers
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Is there still any modern non compositing desktop? [closed]

I am still using Ubuntu 12.04, mostly because of the 'Gnome Classic without effects' desktop provided by gnome-fallback-session. I like to use a non compositing desktop, as compositing seems to ...
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How do I start Compositing in LXDE for programs like docky?

Recently, I switched to LXDE due to performance issues with Unity. I've always liked LXDE, just I needed to tweak it to make it better. My favorit improvement is to add a dock bar to the bottom of the ...
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1 answer
5k views

Mate compositing windows manager

I have a little problem. I've installed mate on my ubuntu 14.04 and now I need to install the compositing windows manager to run docky. Anyone knows how to do it?
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2 votes
1 answer
689 views

Is window opacity for Mono forms supported?

I am developing a multiplatform program using Mono and it requires Form Opacity support. Basically the ability to make a window semi-transparent. This works fine in windows by setting the Window.Form....
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Xubuntu Netflix compositing issues?

I’ve got this error message while trying opening Netflix on Xubuntu, Compositing is not available, please enable compositing support and relaunch Netflix Desktop. Ive verified online their isnt any ...
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3 votes
2 answers
2k views

Issues with running Ardesia on Lubuntu 13.10/14.04

I am trying to achieve the setup described by Roman in this thread: Drawing over the desktop (I'm trying Option 2, using Ardesia with xcompmgr) I really could use this solution to make instructional ...
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4 votes
0 answers
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How can I make window movement more precise while dragging?

I'd like to know if I can make the dragging of windows/items on the screen more precise. As of, the dragging of windows is very vague. For instance, it's as if the window has some sort of virtual ...
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Compositing is not available, please enable compositing support and relaunch Netflix Desktop. WHY?

Compositing is not available, please enable compositing support and relaunch Netflix Desktop. this keeps popping up and im getting very frustrated. ive reinstalled the enire 12.04 distro, updated ...
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2 answers
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How will GNOME 3.8 Classic Mode composite should I use it with Compiz?

Definitely wanna try the new Classic Mode in GNOME 3.8, as it looks really nice from the screenshots, however I'm a bit curious how well it'll composite when coupled with some compositing manager, ...
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5 votes
1 answer
4k views

Compositing managers

How can I determine which compositor is currently being used when multiple desktops have been installed such as LXDE and XFCE. Compiz is also installed. Is there a code that will show which installed ...
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3 votes
0 answers
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Unity2D + Compiz make Chromium tabs unmovable [closed]

I changed Metacity to Compiz. Everything works great. However, when I use Chromium, as I hold the tab to organize them, the tab can't merge to the original window. So later on, it opens a new window. ...
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2 answers
809 views

How to composite videos and make animations in Ubuntu?

Well, I'm not talking about programs like NukeX, Cinelerra, Jahshaka because they aren't either free or feature rich. I have seen couple of cool videos done on Linux platform, most likely to be Ubuntu....
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2 answers
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How to enable composition for Lxde?

I have had the same problem in Xubuntu as documented in "Docky needs composition enabled" message even after I enabled that, in Xubuntu But now I am facing the same issue in Lubuntu as ...
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2 votes
2 answers
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12.04, how to switch gnome-fallback to use metacity permanently?

I upgraded to 12.04 recently and found that my VNC connection wouldn't update, specifically when I connected it would display the desktop as it was, but would not update further. I found disabling ...
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4 votes
3 answers
3k views

Compiz ( or even compositing in general) is not starting up when I login. Solution?

Whenever I log into a desktop environment, it doesn't seem that compositing is starting. Unity 2D works fine, but when I go to Unity 3D Compiz doesn't start up. I have to type compiz --replace & ...
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2 votes
0 answers
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Why does unity 2d have compositing enabled by default? [duplicate]

Why does unity 2d have compositing enabled, doesn't that defeat the whole purpose of having a light weight unity variant?
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2 votes
0 answers
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Citrix Client on Ubuntu has focus problems [closed]

I installed Citrix on a Ubuntu 11.10 (x86), more or less the default configuration. Everything seems to be fine but: Dropdowns don't behave nice, when clicking a drop down, I have problems to select ...
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3 votes
2 answers
572 views

Ugly shadows around applications

When I updated to 11.10, I thought that any problems would be solved and all graphical glitches would be better. After upgrading, my whole system got borked, and everything looked ugly. I ended up ...
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16 votes
1 answer
21k views

Compositing in Lubuntu

Is there any compositing built in Lubuntu? I do not mean installing compiz but rather something simple like Metacity compositing to satisfy apps that require it.
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6 votes
1 answer
2k views

What does a composite-manager do?

I know it's used for true transparancy, but what else is it good for?
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