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compositing in kde

It is Ubuntu LTS (18.04 in this case) with some packages removed and with PPAs that provide the absolute latest KDE goodness. Under Workspace Appearance and Behavior, click “Desktop Effects”. ... Thats explicitly stated in KDE, with a disable in fullscreen option. Martin Gräßlin, the KDE developer known for working on KWin and working on advanced features like OpenGL 3.x compositing in KDE 4.7, has written a new blog post in which he details some of the driver issues currently being experienced by some users of the recently released KDE 4.5 desktop… Read more at Phoronix As far as I know from your previous posts you are testing the OpenGL 2 ES mode on a nvidia based machine. For informations with a Dell Precision M4600, openSUSE Factory, KDE 4.7, OpenGL vendor string: NVIDIA Corporation Amazing stuff has been landing left and right every day this week! KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. With KDE SC 4.7 is where we're looking at the KDE world to potentially begin tapping OpenGL 3.0 for a better compositing experience. The programmable pipeline is a way nicer API to write GL code and especially the ES code can benefit users as it throws out all the legacy code and state tracking, which is rather complex in OpenGL and should ensure better drivers. my notebook uses a Nvidia Quadro NVS135M gpu and for quite some time (years?) :)))). KDE 4.0.5 Changelog : KDE.org Changes in KDE 4.0.5 kdelibs[ all SVN changes ] klauncher Bugfixes: Remove reading of X … Sometimes helping KWin on what the hardware really supports can … Alpha operation options are Over, And, Or and Xor, Operation Or clears any alpha information. The code uses only fixed functionality. Also you can disable some of KDE features like compositing, akonadi if those are the things you do not need. KDE Plasma 5 also has an option in its settings to unredirect full-screen windows. This page was last edited on 15 July 2020, at 18:26. Open “System Settings” from the K-menu or press Alt+F2 and type “System Settings”. XRender is a completely different backend. When I minimize all the other apps, the sliding down animation is a bit smoother. Will it be fixed with the new modes in KDE4.7? I frequently run the following script to clean up the caches: I can't find the option in XFCE. Docky. 50.4k KDE SC 4.5 is about to be released and KDE SC 4.6 is being discussed. It’s responsible for any fancy effects like drop-shadows, as well drawing windows while dragging, resizing and minimizing or maximizing them. —————————————————————- Not really a backend, but also a mode which has to be mentioned. But as we do not make use of anything provided by OpenGL 3, there is no need for this. There are minor details like an “ES” in the OpenGL ES case. a Wipe File or matte) to create an effect where you can make it appear that one video is playing on the screen of a still of a computer monitor. Disable compositing. This is our legacy backend and the code we only had in 4.6 and before. Alternatively, for a more minimal Plasma installation, install the plasma-desktop package.To enable support for Wayland in Plasma, also install the plasma-wayland-session package. Something like: The Amiga windowing system would then use a series of bit blits using the system's hardware blitter to build a composite of these applications' bitmaps - along with buttons and sliders - in display memory, without requiring these applications to redraw any of their bitmaps. Anyway, such a test probably doesn't really say much. KWin always prints out the used OpenGL version information. eg. >but telling the nvidia driver to clean it’s cache helps. I’m now running nouveau with KDE 4.6.3 (Arch) and performance has gotten better compared to the 4.5 cycle with Nvidia blob although most of the time I still disable Desktop effects since e.G dragging a window causes a delay. I have massive slow downs in KDE4 (a lot of different nvidia binary drivers tested – and always using the latest KDE). See this tutorial that describes how to use: Tutorial showing how to use the "Blue screen" function, composite transition and Keyframes to animate one image moving over another in the Kdenlive video editor. Many apps require compositing for proper working. The clip with alpha information is located on the bottom track: the selected color acquires transparency. KPackage has been deprecated. It would appear that you need to stop and restart Kdenlive in order for it to pick up new matte/wipe files saved in the above directory. xfwm4 + compositing uses the Window Manager Tweaks program (others do not), where you can still use the other tweaks available, and turn off compositing in the Compositor tab. Nvidia's TwinView works fine, but enabling Xinerama extension disables compositing in KDE. Scroll through and uncheck the boxes next to all of the enabled effects and you should see a slight increase in speed and performance. E.g. The Plasma Workspaces have seen both polish in existing functionality as well as the introduction of significant new innovations extending Plasma's capabilities further towards a more semantic, task-driven workflow. Compositing in kde without kwin Kwin is awful for me, with or without compositing after 15 mins of use the entire desktop becomes unusable because of unresponsiveness. Once in the desktop effects area, you’ll be able to see a lot of the graphical effects that the KDE Plasma 5 system uses. KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows. Like OpenGL 2.x it uses the programmable pipeline and shaders written in GLSL. For the interaction with the underlying graphics system we use GLX and the extensions for compositing. Among the Wayland work in Plasma 5.20 includes Klipper support and middle-click paste, mouse and touchpad support nearly on … Furthermore it is used as a fallback when the OpenGL backend fails in an expected way (e.g. One of the first systems with a compositing windowing system was the Commodore Amiga, released in 1985. Disabling compositig in kwin is known to fix glitches such as parts of windows being displayed in random places, seemingly corrupted framebuffer, and similar. So i use other WMs like xfwm4, openbox etc with kde(I dont like compiz).But with those WMs activating compositing does not make the panel transparent, so is the case with cairo-compmgr and xcompmgr. In KDE environment when you go to Desktop Effects and in the Advanced tab there is an option named "Compositing type" which can be set to OpenGl or XRenderer. KDE. Well… how do you do that? KDE compositing in openSUSE11.1 Submitted by Lubos Lunak As you might have noticed, KDE 4.1.3 has been released , codename "Change" (in line with other C- codenames recently, as a kind of a joke on all those people who fail to see that still writing comments with overuse of K after 10 years of KDE's existence can only be a sign of brain damage). Driver | opengl1.x opengl2.x opengl ES KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. This Alpha Channel data describes how the data from the two video tracks should be combined. Compositing in KDE SC 4.6 should be much faster, support mobile rendering using OpenGL ES 1.1/2.0, and potentially offer a stable ABI. My Arch KDE, with Plasma 5.20.2 atm, & compositing always On [we must haves our desktop effects, my precccccioussssssssss] set for. GLSL version: 4.10 KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows. KWin also supports no compositing at all. FYI, Fedora ships (only) r600g, not r600 Classic, so the debugging output even in GLX mode will look very similar, if not identical, to your OpenGL ES one. The clip with alpha information is located on the bottom track: everything in the image becomes transparent, except for the selected color. The KDE Project released today KDE Plasma 5.20.2 as the second maintenance update to the latest KDE Plasma 5.20 desktop environment series to address more bugs. We'll assume you're ok with this, but you can opt-out if you wish. Recognizing XRender is even more difficult. All my Arch's prior Plasma versions also correctly supported Vivaldi manual resizing [& again always using compositing]. KDE SC 4.6. GLSL shaders: yes It can be selected in the advanced Desktop Effect settings in the dropdown “Compositing type”. always gives me responsive edge & corner handles. I noticed the driver always reported the RAM with 512MB instead of the 256MB for my gfx. The clip with alpha information is located on the bottom track: we see only the top clip. KWin does nowhere log which backend is really used, but there are some messages printed to stdout which can help recognizing the version. Now this is where Compton will make a significant difference to performance. This is no longer possible. When you try a new distro it’s hard to distinguish between “it has virtualbox/vmware/whatever extensions already built-in” and “it’s using Xrender. Performance on the backend depends on the driver, but can be rather fair (I once did not notice that the XRender backend was used in a virtual machine). KDE … And I think my experience is not of interest to anyone as it is not representative. This transition is used in combination with Alpha Channel information supplied by one of the Alpha Manipulation Effects or by the use of a Wipe File. With this blog post I hope to shed light on the various modes. https://bugs.kde.org/show_bug.cgi?id=273697, Links 31/5/2011: Linaro Milestones, Ricoh Makes Linux Tablets | Techrights. nvidia |. The legacy backend is used automatically for all drivers not supporting at least OpenGL 2.0 and the fglrx driver. Top. run kwin with KWIN_DIRECT_GL=1, but it’s no joy doing so. {{#ev:youtube|vo-xntF1bns}}. This tutorial uses the Composite transition and a custom video mask (a.k.a. For differences between plasma-meta and plasma reference Package group. Of course, it can be tweaked in the KDE System Settings – your mileage may vary. …which has most likely a systematic error as can be seen in the discussion thread to the benchmark. 1 Reply Last reply . stewbrew on Mar 25, 2018. I'm using KUbuntu 9, and two monitors: CRT+DVI. This means especially for distributions: don’t use the build flag for the default package, but provide an additional one. https://bugs.kde.org/show_bug.cgi?id=273697 Gwen-Dragon Moderator last edited by @hstoellinger. The performance of Desktop Effects in the KDE Plasma Workspaces is mostly determined by the interaction of the graphics hardware (GPU), it's driver and the Compositor ( Kwin ). Driver: NVIDIA Aspirational goal - a compositing experiment made using detonation films free sample effects. The desktop now reacts so quickly it’s almost violent. fglrx | As you seem to be an KDE expert: Do you know about this problem? of course we know about it and what might help is using graphicssystem raster with 4.7. There are two many hardware/driver/Xorg/kernel combinations to say anything about it. The nvnews.net forum has some error reports like mine – but they (nvidia) never admit that the problem is real , (using opensuse 11.3 64bit, Dell D630 notebook with intel dual core, 4GB ram, ocz vertex2 ssd). KDE is an open community of friendly people who want to create a world in which everyone has control over their digital life and enjoys freedom and privacy. Check the “Enable desktop effects” box. Well i don know, i posted it in a comment beacuse it has kde+kwin in the comparation, the results seem good to KDE. The clip with the alpha information is located on the top track: the selected color becomes transparent. OpenGL version string: 4.1.0 NVIDIA 280.13 Would it be possible with a follow-up post listing which drivers support which backends? It’s primary target are mobile devices (Plasma Active), but also on the desktop it is very important as it is the requirement for supporting Wayland. Or it would ruin the performance? Texture NPOT support: yes. Without that, my system becomes unusable within half a day. Driver version: 280.13 The XRender backend can only provide 2D animations, so e.g. A game under Proton was suddenly running at 60+ FPS, where previously it was struggling. The Compositor tries to choose the best available settings for your GPU by querying the driver for what the hardware supports. nvidia-settings -a PixmapCache=1. Screenshot of Composite transition using a custom wipe file to mask out a section of video - as described in Tutorial 3. The clip with alpha information is located on the top track: everything in the image becomes transparent, except for the selected color. The default compositor for versions up until 16.04 was Compiz. Compared to KDE’s native compositor, there was a substantial increase in speed and responsiveness. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. On the other hand on DEs like LXDE, compositing is not available by default. Anyway , if i turn on Opengl 2 shaders , KWin reports OpenGL 2.1 is used, But , no sphere , so i guess OpenGL 1.x is used…. intel (mesa 7.11 )| I will try it again on the final release. I am back to the blob on my nvidia system. Save your mattes to /usr/share/kdenlive/lumas. OpenGL version: 4.1 Some highlights are touch support in Dolphin, user-configurable per-view sort ordering in Elisa, optional Systemd startup,… nvidia-settings -a PixmapCache=0 OpenGL 3.0 provides support for frame buffer objects, hardware instancing, vertex array objects, and sRGB framebuffers." OpenGL renderer string: Quadro 2000M/PCI/SSE2 Perhaps also which backend is recommended for each driver. 60.8k The code to access the underlying graphics system is shared with the OpenGL 2.x backend. Some of those effects you enjoy from KWin are available in other compositing engines. Fortunately, there is a way to give lightweight desktop environments true window compositing. For others, a lack of window compositing is probably one of the main reason people go back to heavier desktop environments like KDE and Gnome. nouveau | Last but not least to give our users the best possible performance and user experience. —————————————————————- As the code matches the core profile it would be easy to add “support” for OpenGL 3 or 4, just in case someone is wondering. intel (mesa 7.10 )| no Cube effect. This looks for OpenGL like this: There are several reasons why I started to work on the OpenGL 2/OpenGL ES 2.0 backend. Purchase books, mugs, apparel, and more to support KDE. The Composite transition combines the video data from two video tracks into one. Present Windows on Netbook Shell) Linux kernel version: 3.0 KWin also supports no compositing at all. When I was running blob I noticed that sometimes I had to switch off the computer and switch it on again to gain back performance so this might be related. This is why I leave it disabled and just switch off compositing if I actually need the best performance (alt+shift+f12) and reenable it when I'm finished playing (alt+shift+f12). Namely the texture from pixmap extension to get an OpenGL texture from an XPixmap (the window content). Until you define some alpha channel data using an Alpha Manipulation Effect or a Wipe File, changes in the Composite transition settings will have no visible effect. For rendering we use only shaders written in the OpenGL Shading Language (GLSL) without making use of any fixed-functionality emulation code. This mode can be entered at all time by the Shortcut Alt+Shift+F12 and in the General Desktop Effects settings through option “Enable desktop effects at startup”. For me some effects are not as fast as with 4.6, even when I disable the usage of OpenGL 2 Shaders. Show your love for KDE! With it I have to reboot once every 2-3 days. Still depressing, on a quadcore 4 gb ram SSD system , http://www.phoronix.com/scan.php?page=article&item=linux_desktop_managers1&num=1. KDE Disable compositing in kwin. In fact the OpenGL ES 2.0 and OpenGL 2.x backend are identical to more than ~ 95 %. This transition is used in combination with Alpha Channel information supplied by one of the Alpha Manipulation Effects or by the use of a Wipe File. Currently Wayland requires an EGL backend, so having support for EGL is a prerequisite. Personally I test which backend is used by using functionality tests: the Cube Effect requires at least OpenGL and the Sphere and Cylinder effects require at least OpenGL 2. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. However, in my testing, I have observed that this only disables again after closing the application. KDE SC 4.6 was released on 26 January 2011 and has better OpenGL compositing along with the usual myriad of fixes and features. I have been also feeling your pain too :-). Applications could first request a region of memory outside the current display region for use as bitmap. SPOILER ALERT: Scroll down and watch the video tutorial at the end of this article. Not really a backend, but also a mode which has to be mentioned. The clip with alpha information is located on the top track: the selected color acquires transparency. It uses only the so-called programmable pipeline or also known as the “core” profile. @hstoellinger Looks like with GPU or … It has worked now for more than an hour already! Composite effects are stunning on KDE. Could you at least tell us a bit more about your configuration and experiences with GLES, nouveau and 3D performance? Two new window types _KDE_WM_WINDOW_TYPE_WIDGET and _KDE_WM_WINDOW_TYPE_DASHBOARD might be useful Global Shortcuts could be blocked when dashboard is active if there is a window type Wallpaper could be used in effects currently showing black background (e.g. no as we don’t know that. KPackageKit was suggested to replace it but it didn't make it to replace it. However, because Gnome based Ubuntu systems have been making drastic changes to their compositors for the last few years that forks into two answers: 16.04 with Unity/Compiz. Or if OpenGL fails, KWin might fall back to XRender. In opposite to the other two OpenGL backends this one is not a runtime option, but a compile time option. KDE's Plasma 5.20 is now available, bringing a bunch of refinements as well as some larger features.Some of the KDE Plasma 5.20 highlights include (via Phoronix): -Numerous fixes to the KWin window manager / compositor including a number of Wayland fixes. If you cannot check the box and it tells you that it could not be enabled, KDE may have your graphics card on its black list. Be aware that EGL is not supported by all drivers. For the next release cycle I hope to make it a runtime option. Even disabling the KDE desktop effects doesn’t help, but telling the nvidia driver to clean it’s cache helps. The Composite transition combines the video data from two video tracks into one. richyrich Level 19 Posts: 9056 Also at runtime self checks may disable compositing and also applications can block compositing bringing KWin into this mode. But that’s exactly why I say that the benchmark has a systematic error. To my knowledge only the Gallium radeon and nouveau drivers support it at the moment. I think this was the test I vaguely remembered. Sliding down Yakuake is also stuttering. radeon | #!/bin/sh Thank you very much for the clarification. Dell E6400 with Nvidia 160m here. if OpenGL 2 is not available OpenGL 1 is used. When compared to Affine, the Composite transition, it does not support rotation or skewing but it is much faster, albeit at the cost of luma bleed. Simply alt-tabbing out does not re-enable compositing like on GNOME 3. Software Rasterizer). The difference is in the way how to access the underlying graphics system. I was a little bit depressed after see my composite performance descend because of the OpenGL 2.0 backend, and reading that I could enable the old 1.X based made my day :)! KDE's own KHTML engine will continue to be developed. Lately I noticed that there is some misunderstanding on what are the differences between the modes, why we wrote new code and what is the best mode for whom (at least one distribution did it wrong in their first packaging approach). OpenGL shading language version string: 4.10 NVIDIA via Cg compiler According the FAQ, KDE Neon isn’t quite a Linux distribution. This Alpha Channel data describes how the data from the two video tracks should be combined. the debug output I showed is wih r600g. Requires strict binding: no I hope in 4.7 KDE/Kwin will be even better. Before installing Plasma, make sure you have a working Xorg installation on your system.Install the plasma-meta meta-package or the plasma group. No Compositing. Up to 4.6 it was possible to also use Shaders written in GLSL. You need to change it to 99% to make the effect kick in. Instead of GLX we use EGL and the EGL_KHR_image_pixmap to bind an XPixmap (window content) to an OpenGL texture. Overall it seems to be the blob’s fault as we neither can investigate it (it’s a blob so no debugging) and it’s not present with any other driver. Furthermore there is an option to enforce this mode in the Advanced Desktop Effect settings: uncheck option “Use OpenGL 2 Shaders”. First of all we wanted to have support for everything which is nowadays known as Plasma Active, but also Wayland is very important on the longer term. There should be three messages for valid - then OpenGL 2 is used or at least one message on failure, then OpenGL 1 is used. Kubuntu 14.04, KDE 4, HD5770, no flickering. This website uses cookies to improve your experience. Content is available under, Tutorial 2 - composite transition and Blue Screen, https://userbase.kde.org/index.php?title=Kdenlive/Manual/Transitions/Composite&oldid=455450. The Composited mode can be re-enabled through the same shortcut. This was a pretty huge week for KDE. X server version: 1.9.3 In the KDE Plasma Workspaces 4.7 we introduce new Compositing backends/modes in our Compositor. However, Martin Graesslin has revealed some details about what they are planning for KDE 4.7. Martin, is it possible to run fglrx with OpenGL 2 backend? I tried kwin 4.7 (beta 1) yesterday on my laptop, with a nvidia Quadro FX770 (same as a GeForce 9600M GT) and the closed source drivers (275.09). The other effects are fine. Direct rendering: yes This is the backend for the future. Especially the “minimize animation” is noticeably sluggish, when I unminimize a window. Thanks for the hint! To distinguish OpenGL 1 from OpenGL 2 backend there is one debug message related to "KWin::ShaderManager::initShaders". GPU class: Unknown Thanks for the write-up, and I agree that it is rather nice to see how far the XRender backend has come. Top. OpenGL ES 2.0 is (mostly) a subset of OpenGL 2.0 without the legacy code. sleep 2s So the old code would simply not compile against the libraries and that’s why it is a compile time option. Effects requering shaders may provide a shader using the ARB Shader extension which can be used only in this mode. I switched my XFCE machines over to use Compton for window compositing today - and it’s a noticeable improvement.. A compositor glues your stacks of windows together to form the final image that you see on screen. Reply Quote 1. Warning: video below may be inappropriate for some users. Is there a way to enable compositing (desktop effects) with Apparently people had a lot of pent-up work, because right after Akademy finished last week, the floodgates started opening! This can be quite tricky, because KWin automatically falls back to a different backend if one fails. The performance depends on settings which are different between KWin and Compiz and in 4.7 we changed the default, so we behave like Compiz. In case that we face issues for debugging we will add more precise debug messages. Read the section to OpenGL 2 and think again. No not likely, for what the benchmark tested, I expect that KWin 4.7 would do worse. KDE is happy to announce the immediate availability of Plasma Desktop and Plasma Netbook 4.6. This is our default compositing backend. They add shadow and depth to your applications. Let’s hope that 2.X support/performance will improve in the incoming intel drivers. Especially when another window is openend. To enable use the CMake flag “KWIN_BUILD_WITH_OPENGLES”. This mode can be entered at all time by the Shortcut Alt+Shift+F12 and in the General Desktop Effects settings through option “Enable desktop effects at startup”. I deactivated "Use of Hardware Acceleration" but left "Compositing in KDE settings" activated (OpenGL 3.1). Note: The disadvantages of the Composite transition are: luma bleed, and less precise position control. Is it nvidias fault? There appears to be a defect in this functionality which means that when the composite is on 100% Opacity, the wipe file does not work.

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