In case that we face issues for debugging we will add more precise debug messages. This tutorial uses the Composite transition and a custom video mask (a.k.a. The Composited mode can be re-enabled through the same shortcut. KWin does nowhere log which backend is really used, but there are some messages printed to stdout which can help recognizing the version. no as we don’t know that. My Arch KDE, with Plasma 5.20.2 atm, & compositing always On [we must haves our desktop effects, my precccccioussssssssss] set for. Up to 4.6 it was possible to also use Shaders written in GLSL. In fact the OpenGL ES 2.0 and OpenGL 2.x backend are identical to more than ~ 95 %. As you seem to be an KDE expert: Do you know about this problem? 1 Reply Last reply . run kwin with KWIN_DIRECT_GL=1, but it’s no joy doing so. 60.8k …which has most likely a systematic error as can be seen in the discussion thread to the benchmark. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. For differences between plasma-meta and plasma reference Package group. Not really a backend, but also a mode which has to be mentioned. The clip with the alpha information is located on the top track: the selected color becomes transparent. 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). Let’s hope that 2.X support/performance will improve in the incoming intel drivers. 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. Apparently people had a lot of pent-up work, because right after Akademy finished last week, the floodgates started opening! Applications could first request a region of memory outside the current display region for use as bitmap. According to Martin's blog post, they are looking at OpenGL 3.0 to provide the compositing effects in KDE SC 4.7. All my Arch's prior Plasma versions also correctly supported Vivaldi manual resizing [& again always using compositing]. OpenGL renderer string: Quadro 2000M/PCI/SSE2 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 :)! 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 ). Or if OpenGL fails, KWin might fall back to XRender. 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). The difference is in the way how to access the underlying graphics system. Gwen-Dragon Moderator last edited by @hstoellinger. KDE's own KHTML engine will continue to be developed. The Composite transition combines the video data from two video tracks into one. The XRender backend can only provide 2D animations, so e.g. This was a pretty huge week for KDE. 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. Namely the texture from pixmap extension to get an OpenGL texture from an XPixmap (the window content). KDE Plasma 5 also has an option in its settings to unredirect full-screen windows. The 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). Still depressing, on a quadcore 4 gb ram SSD system , Some highlights are touch support in Dolphin, user-configurable per-view sort ordering in Elisa, optional Systemd startup,… Content is available under, Tutorial 2 - composite transition and Blue Screen, GPU class: Unknown Without that, my system becomes unusable within half a day. The code to access the underlying graphics system is shared with the OpenGL 2.x backend. On the other hand on DEs like LXDE, compositing is not available by default. 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. Like OpenGL 2.x it uses the programmable pipeline and shaders written in GLSL. 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…. Also at runtime self checks may disable compositing and also applications can block compositing bringing KWin into this mode. E.g. 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. richyrich Level 19 Posts: 9056 if OpenGL 2 is not available OpenGL 1 is used. To distinguish OpenGL 1 from OpenGL 2 backend there is one debug message related to "KWin::ShaderManager::initShaders". According the FAQ, KDE Neon isn’t quite a Linux distribution. The desktop now reacts so quickly it’s almost violent. 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.

compositing in kde

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