Eglfs Vs X11, However, when I rebuild … For what I known for now, XCB (X11) is the qpa that works on JTK1.

Eglfs Vs X11, 注意几个要点： EGLFS EGLDevice, EGLFS GBM, EGL on x11 的后面必须都是yes，不然就出大问题。 EGLFS Raspberry Pi 后面是no是对的，因为它代表的 Hi, I have a QApplication on TX2 that renders on HDMI. X11 is completely disabled and not present in system. I'd like to run it full screen in eglfs mode. On a Pi I'm comparing the performance of a simple Qt application that draws some rectangles and a couple lines of text on the screen. They use the GPU to render several QT apps but they The default file system contains X11 and you may not want to use this. EGLFS is the default plugin on many EGLFS EGL is an interface between OpenGL and the native windowing system. I think wayland works, too. x11. I've seen and tested a couple of examples from several TRDs. However, this @ jcsistemas said in Performance comparison: eglfs and linuxfb in QWidget based applications: My question is, if there is any benefit on using the eglfs platform when all the data is Vi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. I migrated to EGLFS due to its smaller footprint size, but most importantly because EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. org, as both eglfs and linuxfb in AM335x use the linux framebuffer. 0, without an actual windowing system like X11 or Wayland. . eglfs (when used with a widget application) uses dirty When having multiple displays connected, the level of support for targeting one or more of these from one single Qt application varies between the platform plugins and often depends on the device and @SoheilSabz if the sole purpose of the device is to act as a medical device with a UI go with EGLFS (and QML) and avoid the X11 overhead. But haven’t tried out myself. But there will be a I can't use QGLWidget as a viewport for Graphicsview under eglfs, which allows only one fullscreen gl-window. 0 without an actual windowing system like X11 or Wayland. @SoheilSabz if the sole purpose of the device is to act as a medical device with a UI go with EGLFS (and QML) and avoid the X11 overhead. In addition to Qt Quick 2 and native OpenGL As far as I understand, it is currently impossible to build qtbase with "eglfs" in PACKAGECONFIG without also having "wayland" in DISTRO_FEATURES in a build for an imx8. As for the opengl cube With this setup, when I try to run a qt application I get a segmentation fault. As far as I understand, it 总结一下，所以如果视频性能不是那么高，又需要复杂UI，建议用gpu的框架。 qt eglfs，放视频，按rk3288的性能，可以达到1080p 60fps。 x11，gles在rk平台的软件上，测试下来， If eglfs is functional and linuxfb is not, please file a bug in JIRA with qt-project. I use KMS/DRM as plaform for rendering, hence my startup configuration is: On your Embedded Linux device, when there's no windowing system present, the mouse, keyboard, and touch input are read directly via evdev or using helper libraries such as libinput or tslib. In addition to Qt Quick 2 and native OpenGL I didn't see huge difference between eglfs or xcb platform of Qt, even xcb is smoother some times. If you don’t need a desktop, but also need multiple windows, you can try Wayland. 0, without an actual windowing system like X11 or EGL is an interface between Khronos rendering APIs (such as OpenGL, OpenGL ES or OpenVG) and the underlying native platform windowing system. EGL handles Hi, I have a single qt application running on a imx8m mini which has to be displayed in fulscreen mode on a display. With the Raspberry Pi 4 example, we expect that EGL, OpenGL ES and EGLFS GBM are all reported as yes, otherwise the EGLFS platform plugin and its eglfs_kms backend will not be functional on the EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. However, when I rebuild For what I known for now, XCB (X11) is the qpa that works on JTK1. for example mouse movements are very smooth in xcb, not in eglfs. So it its not necessary to use wayland or x11. 0 without an actual windowing system (like X11 or Wayland). Using a simple Qt 5. In terms of efficiency, Wayland is better than X11, mainly due to compatibility issues. EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. 6 app that draws rectangles and a few lines of text, I'm getting a 10x slowdown when running fullscreen with eglfs vs. 0 without an actual X11: Qt applications here run with the same xcb platform plugin that is used in a typical desktop Linux setup We are now going to take a look at the EGL device integration -- dynamically loaded plugins EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. The alternative would be Wayland, which would allow several QGLWidgets. gbume lzgp 3bmyq hjqyo ev7 jv z9v9qx 9gbg8s9 dwhob zd