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compositing in kde

…which has most likely a systematic error as can be seen in the discussion thread to the benchmark. run kwin with KWIN_DIRECT_GL=1, but it’s no joy doing so. This means especially for distributions: don’t use the build flag for the default package, but provide an additional one. Amazing stuff has been landing left and right every day this week! I have been also feeling your pain too :-). 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. Kubuntu 14.04, KDE 4, HD5770, no flickering. >but telling the nvidia driver to clean it’s cache helps. Among the Wayland work in Plasma 5.20 includes Klipper support and middle-click paste, mouse and touchpad support nearly on … You need to change it to 99% to make the effect kick in. I am back to the blob on my nvidia system. The code to access the underlying graphics system is shared with the OpenGL 2.x backend. if OpenGL 2 is not available OpenGL 1 is used. SPOILER ALERT: Scroll down and watch the video tutorial at the end of this article. Especially when another window is openend. Content is available under, Tutorial 2 - composite transition and Blue Screen, https://userbase.kde.org/index.php?title=Kdenlive/Manual/Transitions/Composite&oldid=455450. 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. Linux kernel version: 3.0 KWin also supports no compositing at all. So the old code would simply not compile against the libraries and that’s why it is a compile time option. To enable use the CMake flag “KWIN_BUILD_WITH_OPENGLES”. I noticed the driver always reported the RAM with 512MB instead of the 256MB for my gfx. With it I have to reboot once every 2-3 days. OpenGL shading language version string: 4.10 NVIDIA via Cg compiler According the FAQ, KDE Neon isn’t quite a Linux distribution. Namely the texture from pixmap extension to get an OpenGL texture from an XPixmap (the window content). For informations with a Dell Precision M4600, openSUSE Factory, KDE 4.7, OpenGL vendor string: NVIDIA Corporation This website uses cookies to improve your experience. Purchase books, mugs, apparel, and more to support KDE. Be aware that EGL is not supported by all drivers. This is our legacy backend and the code we only had in 4.6 and before. It can be selected in the advanced Desktop Effect settings in the dropdown “Compositing type”. Top. The code uses only fixed functionality. Instead of GLX we use EGL and the EGL_KHR_image_pixmap to bind an XPixmap (window content) to an OpenGL texture. Warning: video below may be inappropriate for some users. 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”. 60.8k Is there a way to enable compositing (desktop effects) with 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 ). 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. https://bugs.kde.org/show_bug.cgi?id=273697, Links 31/5/2011: Linaro Milestones, Ricoh Makes Linux Tablets | Techrights. intel (mesa 7.10 )| KDE's own KHTML engine will continue to be developed. Open “System Settings” from the K-menu or press Alt+F2 and type “System Settings”. Furthermore there is an option to enforce this mode in the Advanced Desktop Effect settings: uncheck option “Use OpenGL 2 Shaders”. OpenGL version: 4.1 Present Windows on Netbook Shell) 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. Could you at least tell us a bit more about your configuration and experiences with GLES, nouveau and 3D performance? 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. For the next release cycle I hope to make it a runtime option. With this blog post I hope to shed light on the various modes. X server version: 1.9.3 GLSL version: 4.10 Not really a backend, but also a mode which has to be mentioned. Under Workspace Appearance and Behavior, click “Desktop Effects”. no Cube effect. GLSL shaders: yes always gives me responsive edge & corner handles. Note: The disadvantages of the Composite transition are: luma bleed, and less precise position control. 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 :)! 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). Recognizing XRender is even more difficult. 1 Reply Last reply . I'm using KUbuntu 9, and two monitors: CRT+DVI. 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. Scroll through and uncheck the boxes next to all of the enabled effects and you should see a slight increase in speed and performance. 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 clip with alpha information is located on the bottom track: we see only the top clip. 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. 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. 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). Well… Still depressing, on a quadcore 4 gb ram SSD system , http://www.phoronix.com/scan.php?page=article&item=linux_desktop_managers1&num=1. Composite effects are stunning on KDE. And I think my experience is not of interest to anyone as it is not representative. Like OpenGL 2.x it uses the programmable pipeline and shaders written in GLSL. 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. 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. Disabling compositig in kwin is known to fix glitches such as parts of windows being displayed in random places, seemingly corrupted framebuffer, and similar. 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. The difference is in the way how to access the underlying graphics system. This page was last edited on 15 July 2020, at 18:26. Up to 4.6 it was possible to also use Shaders written in GLSL. 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. This is our default compositing backend. In fact the OpenGL ES 2.0 and OpenGL 2.x backend are identical to more than ~ 95 %. Gwen-Dragon Moderator last edited by @hstoellinger. 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. I have massive slow downs in KDE4 (a lot of different nvidia binary drivers tested – and always using the latest KDE). This was a pretty huge week for KDE. There are two many hardware/driver/Xorg/kernel combinations to say anything about it. ... Thats explicitly stated in KDE, with a disable in fullscreen option. 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. The clip with alpha information is located on the top track: the selected color acquires transparency. Check the “Enable desktop effects” box. Some of those effects you enjoy from KWin are available in other compositing engines. I will try it again on the final release. Now this is where Compton will make a significant difference to performance. Direct rendering: yes #!/bin/sh Furthermore it is used as a fallback when the OpenGL backend fails in an expected way (e.g. 50.4k Thank you very much for the clarification. Top. intel (mesa 7.11 )| OpenGL version string: 4.1.0 NVIDIA 280.13 Aspirational goal - a compositing experiment made using detonation films free sample effects. The XRender backend can only provide 2D animations, so e.g. of course we know about it and what might help is using graphicssystem raster with 4.7. Texture NPOT support: yes. 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. 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. KPackageKit was suggested to replace it but it didn't make it to replace it. https://bugs.kde.org/show_bug.cgi?id=273697 the debug output I showed is wih r600g. KDE 4.0.5 Changelog : KDE.org Changes in KDE 4.0.5 kdelibs[ all SVN changes ] klauncher Bugfixes: Remove reading of X … —————————————————————- The clip with the alpha information is located on the top track: the selected color becomes transparent. @hstoellinger Looks like with GPU or … Driver version: 280.13 I deactivated "Use of Hardware Acceleration" but left "Compositing in KDE settings" activated (OpenGL 3.1). —————————————————————- nouveau | Is it nvidias fault? It has worked now for more than an hour already! KDE. KDE is happy to announce the immediate availability of Plasma Desktop and Plasma Netbook 4.6. 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. KPackage has been deprecated. Requires strict binding: no This is no longer possible. The Compositor tries to choose the best available settings for your GPU by querying the driver for what the hardware supports. The other effects are fine. nvidia-settings -a PixmapCache=0 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. Show your love for KDE! Thanks for the write-up, and I agree that it is rather nice to see how far the XRender backend has come. {{#ev:youtube|vo-xntF1bns}}. For the interaction with the underlying graphics system we use GLX and the extensions for compositing. However, Martin Graesslin has revealed some details about what they are planning for KDE 4.7. On the other hand on DEs like LXDE, compositing is not available by default. 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. As far as I know from your previous posts you are testing the OpenGL 2 ES mode on a nvidia based machine. They add shadow and depth to your applications. Disable compositing. 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. For me some effects are not as fast as with 4.6, even when I disable the usage of OpenGL 2 Shaders. fglrx | This looks for OpenGL like this: There are several reasons why I started to work on the OpenGL 2/OpenGL ES 2.0 backend. Or it would ruin the performance? richyrich Level 19 Posts: 9056 We'll assume you're ok with this, but you can opt-out if you wish. When I minimize all the other apps, the sliding down animation is a bit smoother. There are minor details like an “ES” in the OpenGL ES case. KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. sleep 2s 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 no as we don’t know that. All my Arch's prior Plasma versions also correctly supported Vivaldi manual resizing [& again always using compositing]. KDE … Save your mattes to /usr/share/kdenlive/lumas. Or if OpenGL fails, KWin might fall back to XRender. Driver: NVIDIA The clip with alpha information is located on the bottom track: the selected color acquires transparency. Especially the “minimize animation” is noticeably sluggish, when I unminimize a window. I hope in 4.7 KDE/Kwin will be even better. 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 Composite transition combines the video data from two video tracks into one. Also you can disable some of KDE features like compositing, akonadi if those are the things you do not need. KDE SC 4.6. Dell E6400 with Nvidia 160m here. This Alpha Channel data describes how the data from the two video tracks should be combined. For rendering we use only shaders written in the OpenGL Shading Language (GLSL) without making use of any fixed-functionality emulation code. Would it be possible with a follow-up post listing which drivers support which backends? my notebook uses a Nvidia Quadro NVS135M gpu and for quite some time (years?) The desktop now reacts so quickly it’s almost violent. Many apps require compositing for proper working. Driver | opengl1.x opengl2.x opengl ES Without that, my system becomes unusable within half a day. E.g. I think this was the test I vaguely remembered. Before installing Plasma, make sure you have a working Xorg installation on your system.Install the plasma-meta meta-package or the plasma group. I can't find the option in XFCE. 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. :)))). KDE is an international and diverse technology team creating user-friendly free and open source software for desktop and portable computing. KDE Disable compositing in kwin. The default compositor for versions up until 16.04 was Compiz. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. GPU class: Unknown XRender is a completely different backend. 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. 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. My Arch KDE, with Plasma 5.20.2 atm, & compositing always On [we must haves our desktop effects, my precccccioussssssssss] set for. Of course, it can be tweaked in the KDE System Settings – your mileage may vary. 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. Applications could first request a region of memory outside the current display region for use as bitmap. In the KDE Plasma Workspaces 4.7 we introduce new Compositing backends/modes in our Compositor. KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows. To distinguish OpenGL 1 from OpenGL 2 backend there is one debug message related to "KWin::ShaderManager::initShaders". 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. This Alpha Channel data describes how the data from the two video tracks should be combined. Something like: But that’s exactly why I say that the benchmark has a systematic error. 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. Nvidia's TwinView works fine, but enabling Xinerama extension disables compositing in KDE. I frequently run the following script to clean up the caches: A game under Proton was suddenly running at 60+ FPS, where previously it was struggling. As you seem to be an KDE expert: Do you know about this problem? Well i don know, i posted it in a comment beacuse it has kde+kwin in the comparation, the results seem good to KDE. nvidia |. Let’s hope that 2.X support/performance will improve in the incoming intel drivers. But as we do not make use of anything provided by OpenGL 3, there is no need for this. Fortunately, there is a way to give lightweight desktop environments true window compositing. Alpha operation options are Over, And, Or and Xor, Operation Or clears any alpha information. 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. Martin, is it possible to run fglrx with OpenGL 2 backend? The clip with alpha information is located on the bottom track: everything in the image becomes transparent, except for the selected color. One of the first systems with a compositing windowing system was the Commodore Amiga, released in 1985. nvidia-settings -a PixmapCache=1. 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. Apparently people had a lot of pent-up work, because right after Akademy finished last week, the floodgates started opening! stewbrew on Mar 25, 2018. No not likely, for what the benchmark tested, I expect that KWin 4.7 would do worse. Also at runtime self checks may disable compositing and also applications can block compositing bringing KWin into this mode. 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”. Effects requering shaders may provide a shader using the ARB Shader extension which can be used only in this mode. 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. 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. KDE SC 4.6 was released on 26 January 2011 and has better OpenGL compositing along with the usual myriad of fixes and features. No Compositing. Currently Wayland requires an EGL backend, so having support for EGL is a prerequisite. Thanks for the hint! This can be quite tricky, because KWin automatically falls back to a different backend if one fails. KDE SC 4.5 is about to be released and KDE SC 4.6 is being discussed. Reply Quote 1. The clip with alpha information is located on the top track: everything in the image becomes transparent, except for the selected color. Software Rasterizer). 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). In case that we face issues for debugging we will add more precise debug messages. The Composited mode can be re-enabled through the same shortcut. Screenshot of Composite transition using a custom wipe file to mask out a section of video - as described in Tutorial 3. In opposite to the other two OpenGL backends this one is not a runtime option, but a compile time option. 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. 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). Not really a backend, but also a mode which has to be mentioned. KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows. KWin also supports no compositing at all. For differences between plasma-meta and plasma reference Package group. However, in my testing, I have observed that this only disables again after closing the application. It is Ubuntu LTS (18.04 in this case) with some packages removed and with PPAs that provide the absolute latest KDE goodness. OpenGL ES 2.0 is (mostly) a subset of OpenGL 2.0 without the legacy code. Perhaps also which backend is recommended for each driver. 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. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. Will it be fixed with the new modes in KDE4.7? 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. 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). It’s responsible for any fancy effects like drop-shadows, as well drawing windows while dragging, resizing and minimizing or maximizing them. Simply alt-tabbing out does not re-enable compositing like on GNOME 3. Even disabling the KDE desktop effects doesn’t help, but telling the nvidia driver to clean it’s cache helps. There should be three messages for valid - then OpenGL 2 is used or at least one message on failure, then OpenGL 1 is used. Some highlights are touch support in Dolphin, user-configurable per-view sort ordering in Elisa, optional Systemd startup,… Last but not least to give our users the best possible performance and user experience. KWin does nowhere log which backend is really used, but there are some messages printed to stdout which can help recognizing the version. To my knowledge only the Gallium radeon and nouveau drivers support it at the moment. radeon | 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…. 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. Sometimes helping KWin on what the hardware really supports can … Read the section to OpenGL 2 and think again. This tutorial uses the Composite transition and a custom video mask (a.k.a. Docky. It uses only the so-called programmable pipeline or also known as the “core” profile. This is the backend for the future. The legacy backend is used automatically for all drivers not supporting at least OpenGL 2.0 and the fglrx driver. OpenGL renderer string: Quadro 2000M/PCI/SSE2 Anyway, such a test probably doesn't really say much. how do you do that? The Composite transition combines the video data from two video tracks into one. Compared to KDE’s native compositor, there was a substantial increase in speed and responsiveness. KWin always prints out the used OpenGL version information. 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. KDE Plasma 5 also has an option in its settings to unredirect full-screen windows. Sliding down Yakuake is also stuttering. 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. eg. OpenGL 3.0 provides support for frame buffer objects, hardware instancing, vertex array objects, and sRGB framebuffers."

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