Wayland Egl Example

To begin learning EGL, I recommend the following resources. And then, either way, you will also want to add mouse events , keyboard events and resize events with Wayland and/or EGL. When the EGL library allocates buffers, it needs to know the size, and wayland-egl API is the only way to tell that. Globals come and go as a. 1 system, 64-bit CPU. We discuss this style of design in Chapter 11. Content may be missing or not representing the latest edited version. This patch effectively solves QtWebEngine's display when ran as a C++ Qt Widget. /dev/fb0 and mmap First check cat /dev/urandom > /dev/fb0 Example with 3 bytes (blue, green and red) per pixel on 1024 x 768 screen resolution Framebuffer memory = 1024 * 768 pixels * 3 bytes. The Online Writing Program at Stanford Continuing Studies, which offers dynamic courses in every genre, also hosts the Certificate Program in Novel Writing. EGL is managed by the non-profit technology consortium Khronos Group. The LCD is assumed to be driven by VOUT1. This package contains the QtWayland platform plugin, which allows users to run Qt 5 applications under Wayland, and the qtwaylandscanner binary. The Certificate Program builds on the success and excellent teaching of our regular online writing courses with the goal of providing a structured environment in which you can write your novel. [9] The Mir display server protocol by Canonical Ltd. Using this extension it can attach the client buffers directly to the subsurface without having to blit the contents into an intermediate buffer. Alternatively, you may set the environment variables EGL_CFLAGS and EGL_LIBS to avoid the need to call pkg-config. Screeshot here. PYOPENGL_PLATFORM = "EGL". The Mesa's implementation of EGL uses a driver architecture. Mir: More focus on unit testing, less experience with the linux graphics stack. The current implementaion is based on weston compositor. A X11/GLX Wrapper for EGL/Wayland. I am told by #wayland on freenode that this is a bug in mesa. 8 to be released, we need to get the latest QtWayland 5. So the order you build things now is: wayland-git, mesa with wayland platform support, weston. Waffle is a cross-platform C library that allows one to defer selection of an OpenGL API and window system until runtime. Re: GLFW Wayland. 0, we begin with a simple example. [1]+ Aborted. Ramses and wayland. As earlier, we used XFCE4 desktop since it offers the best trade-off speed/size for Debian GUI desktop environment. Boards like the Jetson TK1 Pro running a Yocto-generated Vibrante Linux image have support for X11, Wayland, and even running with plain EGL without a full windowing system. chromium / chromiumos / third_party / mesa / factory-2368. Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb. waylandegl/src. The open source implementation in the mesa EGL stack is in wayland-egl. 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/net-libs/webkit-gtk/webkit-gtk-2. MX 6 system/computer on modules. so C library. This talk is inspired by the HiGFXback project which aims at preserving historical backends used for graphics on GNU/Linux systems. The OpenGL Utility Toolkit for EGL. Qt can use EGL for context and surface management, however the API contains no platform. and then: # cd qtwayland/ # qmake. 2 is a bug fix release which fixes bugs found since the 9. @vanyasem, Yes it should be possible to build it with different headers. For example, on Linux an EGL implementation could support X11, Wayland, GBM (Generic Buffer Manager), Surface Flinger, and perhaps other platforms. Bugzilla – Bug 91888 EGL Wayland software rendering no longer work after regression Last modified: 2015-12-10 00:20:24 UTC. 5::gentoo USE="X bmp eet fontconfig gif gnutls ico jpeg nls opengl png ppm psd sdl sound ssl tiff wayland xcb xpm -debug -doc -drm -egl -fbcon -fribidi -gles -glib -gstreamer -harfbuzz -ibus -jp2k -physics (-pixman) -pulseaudio -scim -systemd -tga -tslib -v4l2 -webp -xim -xine" ABI_X86="64". where ECORE_EVAS_ENGINE is set to wayland_egl or wayland_shm depending on whether you wish to use the SHM based software rendering or EGL. 0, released in November 2013, the Wayland client EGL code does have support for secure DMA-buf sharing. EGL External platform API Replace sub -parts of application -facing EGL functions. A Wayland EGL external platform library In the example above, the list of libraries reported by ldd includes libnvidia-tls. He remembers a lot more about X11 than he’d care to admit. Gentoo is a trademark of the Gentoo Foundation, Inc. GLFW is licensed under the zlib/libpng license. This crate provides the interfaces and machinery to safely create client applications for the wayland protocol. /# chromium -g --ozone-platform=wayland --use-gl=egl --enable-logging=stderr --no-sandbox --in-process-gpu --test-type --allow-insecure-localhost --disable. 0 up and running on the ZCU102. With that then, GL can be used to render into these buffers, which will be shown to the display by queuing a page flip via KMS/DRM API. There are plenty of introductions to Wayland that give you the high level details on how the stack is laid out how applications talk directly to the kernel with EGL and so on, but that doesn’t give you much practical knowledge. Wayland 是用於 compositor 與應用軟體溝通的通訊協定, 以及此通訊協定的 C 函式庫實作. qt: Could not load the Qt platform plugin "xcb" in "" even though it was found. In this example we will build a Poky image for Raspberry Pi 2 Model B with Wayland and its reference implementation Weston with enabled hardware graphics acceleration. Does egl provide functionality similar to what I find in xcb? Where can I find simple but comprehensive tutorials? Are there any as good as Xlib's documentation? Xcb's documentation is atrocious but having the Xlib manuals and tutorials at hand, I've learned to cobble together some useful code. Check your Options in the drop-down menu of this sections header. 3, Mesa GLESv1 >= 9. GitHub Gist: instantly share code, notes, and snippets. Open Source experts and consultants 14 years of experience Important contributions to: Client-side web tecnologies: WebKit, Blink/Chromium, Servo Graphics: Wayland, Mesa. But the Wayland environment does not provide GL, it provides EGL, which uses OpenGL 4. Uh these are what you'd expect. Checking for wayland yes Checking for xkbcommon yes Checking for wayland_scanner yes Checking for wayland_egl no Checking for egl no Checking for brcm_egl no Checking for glx yes Checking for xcomposite yes Project MESSAGE: no wayland-egl support detected, cross-toolkit compatibility disabled. Under the hood, the EGL stack is expected to define a vendor-specific protocol extension that lets the client side EGL stack communicate buffer details with the compositor in order to share buffers. rpm for Fedora 31 from Fedora repository. 0 implements the OpenGL 3. In this example, we will assume that the setup consists of an LCD capable of handling HD content with 1280x720 resolution at 60 FPS. In combination with the Pango or Freetype2 font backends of kmscon, you get a hardware-accelerated console with anti-aliases fonts without any X11/Wayland/etc. This is done by using a target-centric CMake approach to the assets and resources management, resulting in a ~30-50% reduction in the size of the CMakeLists. Client-side Wayland connector. h header file includes the versions already present in your development environment. so and libqwayland-generic. By default, all QT applications are built with wayland-egl QPA on AM4/5 and so it will run on top of wayland. error: QtCompositor: Failed to initialize EGL display. Image Decode Examples Using gst-launch-1. Realistically you can't use XEGL / EGL, If you're running on Linux and don't need X then look at Wayland which is a replacement server built on top of MESA. © 2001–2020 Gentoo Foundation, Inc. 1, which in this case is the legacy, non-GLVND NVIDIA GLX client library. But there is still the question of what to do about programs that need to circumvent some of those protections. For instance for a Pacman game, you basically need to check if the user has pressed keyboard keys, update the position of Pacman accordingly, and draw a new frame. 25 release a few days ago. This package contains the QtWayland platform plugin, which allows users to run Qt 5 applications under Wayland, and the qtwaylandscanner binary. LSM is fully compliant with the Wayland protocol, which is the state-of-the-art solution to support multiple UI processes. I know this is a Ubuntu MATE dev forum but after all MATE is MATE. Making the sources available for the modifications made to Weston would have other benefits for TX2 users as well, such as giving a reference in how to make other compositors (such as QtWayland) work on the TX2. Weston is a minimal and fast. Other aspects of the "Wayland experience" with NVIDIA such as XWayland compatibility are outside of our influence. I’d like to instead share with you details about how the protocol actually works and how you can use it. WebKit for Wayland port pairs the WebKit engine with the Wayland display protocol, allowing embedders to create simple and performant systems based on Web platform technologies. This functionality is provided by the EGL_WL_bind_wayland_display extension. Hi all, Summary: I am trying to get Qt 5. kmscon includes an optional rendering backend for it when compiled with –enable-gles2. so glibc binding provided by libhybris in /usr/lib. I have tried copying libqwayland-egl. Use the built-in gl_render which uses EGL/GLES for composition. rpm for Fedora 31 from Fedora repository. This patch implements the Wayland frontend for GHOST and applies minor fixes to the CMake projects and the EGL context. Example pipelines gst-launch-1. Contribute to eyelash/tutorials development by creating an account on GitHub. 2 Resolves: bz#1317415 2017-09-21 - Jan Grulich - 5. wayland-rs is a set of crates providing generic APIs to manipulate the Wayland protocol, successor of X11 for linux windowing. Maintainer: [email protected] Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, xcb. EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. armv7hl wayland. To compile EFL with Wayland support, you should compile EFL as you normally would, and enable the desired below options:-Dwl=true. 2 is a bug fix release which fixes bugs found since the 9. EGL handles graphics context management, surface/buffer binding, rendering synchronization, and enables "high-performance, accelerated, mixed-mode 2D and 3D rendering using other Khronos APIs. If you need to generate modified headers or modify egl. I am using Sway with wayland only, no Xwayland. Many applications (e. Check out X11, Windows, or Mir folders under xmbc/windowing:. If an item is subject to sales tax, in accordance with state tax laws, the tax is generally calculated on the total selling price of each individual item, including shipping and handling charges, gift-wrap charges and other. EGL is a specification from the Khronos Group that provides an intermediate layer between other Khronos specifications (OpenGL, OpenGL ES, OpenVG), called "client APIs", and the native graphics system. [10] The Simple DirectMedia Layer toolkit has been. egldeviceintegration: Trying to load device EGL integration "eglfs_kms" qt. GLX is x-specific while EGL and GLUT are cross-platform. OpenMW doesn't officially support ES, this is worked around in Android by using some type of gl shim to shoe-horn it in. Wayland work continued, with the return of window rules, the use of high priority EGL Contexts, and initial support for screencasts and desktop sharing. org Preloaded SdCards R-PI Prerequisites For a chroot and build system we would need. The Mir display server protocol by Canonical Ltd. There is no such limitation in the first mode. wayland_egl. I have attached WAYLAND_DEBUG=1 weston-simple-egl and glxinfo output. To enable building the Evas Wayland Shared-Memory Engine-Dopengl=es-egl. And I can see the EGL and GLESV2 headers on disk, but the build still can't see them. Tizen is currently the only system that uses pure Wayland. Raspberry Pi - Building SDL 2 on Raspbian Posted on January 22, 2015 by Paul. so and libqwayland-generic. lib64wayland-egl-devel-17. The scene allocates and returns a subclassed LinuxDmabuf::Buffer that contains the file descriptors and backend specific objects, such as EGL images. Xorg is used by many Linux distros and other Unix systems. GLVND support in CMake For larger projects you probably don’t want to add the different libraries manually, but rather delegate this to a build system like Kitware’s CMake. 25 release a few days ago. It defines the basic functionality needed for clients and the compositor to create windows that can be dragged, resized, maximized, etc, as well as. QtWayland is a Qt 5 module that wraps the functionality of Wayland. x that is built for the EGLFS backend with X11 integration. Running a 8. Wayland is a "work in progress". Depends on the window manager you are using. 2017-12-13 - Simon Quigley qtwayland-opensource-src (5. GNOME and KDE are expected to be ported to it. When using software rendering, also export ELM_ACCEL=none. We discuss this style of design in Chapter 11. Firefox, thunderbird, Libreoffice all work great and look great, i. 3 core profile, Wayland with OpenGL ES2, and other window system / API combinations. Though making it work for standard webs was a small work, adding support for Accelerated Compositing and WebGL implied adding support for EGL, and some changes in Accelerated Compositing infrastructure to render to an EGL texture shared among web layers contexts and. /dev/fb0 and mmap First check cat /dev/urandom > /dev/fb0 Example with 3 bytes (blue, green and red) per pixel on 1024 x 768 screen resolution Framebuffer memory = 1024 * 768 pixels * 3 bytes. Merge pull request #13096 from pkerling/wayland-fixes Wayland fixes. Note that in theory Wayland should work with elogind, but only systemd is supported by upstream. 16 added support for. Under the hood, the EGL stack is expected to define a vendor-specific protocol extension that lets the client side EGL stack communicate buffer details with the compositor in order to share buffers. EFL core libraries summary refs log tree commit diff. Qt5 is not recommended as there is a bug that effects openmw-cs, it is a reason why we ship osgQt so that we and others can compile against Qt4 and not depend on the osgQt that was compiled against Qt5 downstream. The database from which EGL enumerant ranges are reserved and the EGL/egl. Running a 8. It is designed with hardware acceleration in mind, relying on EGL, the Wayland EGL platform, and OpenGL ES. Comparison of GIA vs. Definition at line 2896 of file wayland-client-protocol. Article from GamingOnLinux. Examples are Weston, Mutter, KWin or Enlightenment. He remembers a lot more about X11 than he’d care to admit. It then invokes functions on this context. This patch effectively solves QtWebEngine's display when ran as a C++ Qt Widget. Wayland's main goal is replacing the X Window System with a modern, simpler windowing system in Linux and other Unix-like operating systems. WebKit for Wayland port pairs the WebKit engine with the Wayland display protocol, allowing embedders to create simple and performant systems based on Web platform technologies. A runtime selection between X11 and Wayland, as done for example in GTK, Qt or Firefox, allows using the same binary on different desktop sessions. html: Additional egl functions for wayland: OpenSuSE Ports Leap 15. The qt5 package from the repositories has the Wayland support if qt5-wayland is installed. Now for the display, opengl can use different back ends like drm/kms (ST promotes), x11, wayland or fb (ST do not advice). const char *egl_extension_st = eglQueryString (egl_dpy, EGL_EXTENSIONS); assert (strstr (egl_extension_st, "EGL_KHR_surfaceless_context") != NULL); Here we check that we got a valid EGL display that is able to create a surfaceless context. Though in all honesty, EGL really does not buy you anything; it just means different startup kludge code to create a GL context, etc. Multi-Language GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs. Client-side Wayland connector. Pegl is a binding to EGL 1. WebProcess acts as the only fullscreen EGL client of that compositor. Last Update: 2016-03-03 Usage Frequency: 2 Quality:. If, for example, a connector supports 2 overlay planes, it is possible to run a maximum of 2 EGL applications simultaneously in the second mode. Open Source experts and consultants 14 years of experience Important contributions to: Client-side web tecnologies: WebKit, Blink/Chromium, Servo Graphics: Wayland, Mesa. To enable building support for the Evas DRM Engine [Compiling Elementary]. In the automotive domain, most HMI systems use their own window manager implementation. However, some asked for a version of Qt compiled for Pi, so, if that was not ok for you for some reason, this is an entire image with many packages for which Qt has support and includes wayland and QtMultimedia (what is working oob). Hello snarky, A statically linked binary would be an option, yes. Configure Options. Wayland/Weston is the de facto GUI desktop provided by Yocto/Openembedded Distribution Since there are numerous Display Panels available in the market, it is sometimes necessary to rotate the GUI desktop to either Landscape or Portrait setting to ensure a better representation of your UI contents. 7 build, etc. Wayland is a protocol for a compositor to talk to its clients, as well as a library implementing this protocol. wayland_egl. What this generally means is that the documentation is completely out of sync with the code, examples you find on the net don't work and getting things to work is - at best - tricky. For instance, an application developed on Qt could be run using "-platform xcb" and "-platform wayland" for XCB or Wayland respectively (or set the QT_QPA_PLATFORM environment variable) and should have a similar behavior on both systems, without the need to recompile. * typically represent an actual object in the server (for example, 114 * an input device) or they are singleton objects that provide: 115 * extension functionality. Using Qt Virtual Keyboard with Qt Wayland. The only one that isn’t playing nice is Nvidia. This crate provides the interfaces and machinery to safely create client applications for the wayland protocol. However, many extensions and applications have X11 or GLX specific things. To enable building support for the Evas Wayland EGL Engine-Ddrm=true. [email protected]:/usr/bin#. h and wayland-server-protocol. Merge pull request #13096 from pkerling/wayland-fixes Wayland fixes. Other aspects of the "Wayland experience" with NVIDIA such as XWayland compatibility are outside of our influence. Users query EGL_KHR_get_all_proc_addresses in the usual way; that is, by calling eglQueryString(dpy, EGL_EXTENSIONS) on an initialized display. See all glutin's items. Many applications (e. It can use Xlib, write directly to the framebuffer or use EGL. sharp when you need scaling for example. 0 for x86_64: lib64wayland-egl-devel-17. @alan_g said in 2019: Time to make Unity8 great again?. For example, if this key is set to: WaylandModes "egl,drm,compositor". Under the hood, the EGL stack is expected to define a vendor-specific protocol extension that lets the client side EGL stack communicate buffer details with the compositor in order to share buffers. In the given example, it will build and install libEGL, libGL, libGLESv1_CM, libGLESv2, and one or more EGL drivers. The example outputs top 5 (up to) predictions with probabilities of 5% or higher for a given input image. html: Additional egl functions for wayland: OpenSuSE Ports Leap 15. h, used in examples. EGLFS is a platform plugin for running Qt5 applications on top of EGL and OpenGL ES 2. Running weston's sample client applications with IVI shell¶ All the sample client applications in the weston package like weston-simple-egl, weston-simple-shm, weston-flower etc also have support for ivi-shell. Last Update: 2016-03-03 Usage Frequency: 2 Quality:. Available platform plugins are: eglfs, minimal, minimalegl, offscreen, wayland-egl, wayland. Glfw Egl - ssul. Last Update: 2016-03-03 Usage Frequency: 2 Quality: English. EGL is an interface between OpenGL and the native windowing system. Aside from working towards a DESTDIR install (though it turns out that for QT-5, one uses INSTALL_ROOT instead, but that's a detail not pertinent to this question) and aside from not installing Cups, Wayland nor PulseAudio, I am following the book. This is a short tutorial on how to get started with SDL 2 programming on a Raspberry Pi device that has Raspbian installed. Another effect of the loss of "Mir EGL" in Mesa and the consequent switch to Wayland ls that the "Mir-on-Mir" support needed to use the Unity greeter is no longer available. It is a rust wrapper around the libwayland-client. 一言で言えば「X11 に変わる次の Window System」でしょうか。 Wikipedia より引用します。 背景 Waylandのプロジェクトは、レッドハットの開発者Kristian Høgsbergが「全てのフレームがパーフェクトであること — 言いたいのは、画面の乱れや遅れや再描画やちらつきを二度と見ずに済むくらい. So in order do to Wayland on X you will need to tweak it as well. But I do not know why exactly yet. 0 Example To introduce the basic concepts of OpenGL ES 2. EGL_EXT_platform_wayland EGL_EXT_platform_x11 EGL_MESA_platform_gbm EGL_MESA_platform_surfaceless [13:00:58. To enable building support for the Evas DRM Engine [Compiling Elementary]. I'd like to instead share with you details about how the protocol actually works and how you can use it. EGL is a specification from the Khronos Group that provides an intermediate layer between other Khronos specifications (OpenGL, OpenGL ES, OpenVG), called "client APIs", and the native graphics system. The Mir display server protocol by Canonical Ltd. GitHub Gist: instantly share code, notes, and snippets. armv7hl wayland devel library wayland-egl-1. And that’s all there is to it, and should be enough to get someone started on kmscon… :) If you have questions or comments, feel free to bring them up at [email protected] eeterijheerlijk. spec cosmetics, Source URL. This patch implements the Wayland frontend for GHOST and applies minor fixes to the CMake projects and the EGL context. Here is the minimal-qml compositor example with some clients: One thing to note is that the default egl_platform. 一言で言えば「X11 に変わる次の Window System」でしょうか。 Wikipedia より引用します。 背景 Waylandのプロジェクトは、レッドハットの開発者Kristian Høgsbergが「全てのフレームがパーフェクトであること — 言いたいのは、画面の乱れや遅れや再描画やちらつきを二度と見ずに済むくらい. Weston queries the EGLStream file descriptor from wl_buffer through a query of EGL_WAYLAND_BUFFER_WL to eglQueryWaylandBufferWL(). We will be using Ubuntu 18. XDA Developers was founded by developers, for developers. Setup the Wayland environment as described in Wayland home page. EGLX wraps basic X11/GLX calls, used by popular Unix OpenGL applications, to EGL/Wayland ones. When using or filing bugs against Wayland, use Fedora 23 or later. As earlier, we used XFCE4 desktop since it offers the best trade-off speed/size for Debian GUI desktop environment. The book's text provides an introduction to the parts of EGL that are independent of operating system. I have tried copying libqwayland-egl. Wayland is a protocol for a compositing window manager to talk to its clients, as well as a library implementing the protocol. OpenMW doesn't officially support ES, this is worked around in Android by using some type of gl shim to shoe-horn it in. The wayland protocol revolves around the creation of various objects and the exchange of messages associated to these objects. Some examples include Mutter and KWin (of the GNOME desktop and KDE Plasma respectively). 17 comes configured with 24 bit depth for HDMI and LCD displays in the device tree. Reinstalling the application may fix this problem. const char *egl_extension_st = eglQueryString (egl_dpy, EGL_EXTENSIONS); assert (strstr (egl_extension_st, "EGL_KHR_surfaceless_context") != NULL); Here we check that we got a valid EGL display that is able to create a surfaceless context. In May 2018, the OpenWrt forum suffered a total data loss. Archibald Wayland Keyes Young (* 1992). 0 strict mode (yadda yadda, something like that, I'm not an expert on OpenGL trivia). GBM DRM/KMS GPU GPU Driver for Wayland Display wl_egl_window Type wl_egl_window Type RENDERING DISPLAYING wl_buffer Type wl_buffer Type FRAME BUFFERS gbm_surface Type CLIENT BUFFERS. 15: Jonas Ådahl: 1-1 / +1: 2018-07-04: unstable: add. Check your Options in the drop-down menu of this sections header. The current release added basic Intel Gemini Lake processor support, fixes crashes in GLX, EGL and Wayland-EGL, resolves a number of memory leaks in the video decoding drivers, makes the Intel Vulkan driver more robust by exporting only the required symbols (previously we would get symbol collisions leading to strange behaviour or even crashes). wl_drm and eayland_egl buffer age fix for gl when. / src / egl / wayland / wayland-egl / wayland-egl. It looks like PetaLinux ships with a pre-built Qt 5. The version of weston is 7. 5 the Vivante EGL window type: Code Examples. We improve the upstream open-source graphics experience, and help our customers make the most of it. Daniel is the graphics lead at Collabora, working with Wayland/Weston, Mesa (including EGL/OpenGL ES/Vulkan), the Linux kernel DRM/KMS display and modesetting, GStreamer, and more. This crate provides the interfaces and machinery to safely create client applications for the wayland protocol. Other aspects of the "Wayland experience" with NVIDIA such as XWayland compatibility are outside of our influence. * Call eglTerminate() instead of destroying the surfaces individually. Season Record Wayland Opponent Neenah-Menasha Y 35,34 60. This patch implements the Wayland frontend for GHOST and applies minor fixes to the CMake projects and the EGL context. 218] GLSL version: OpenGL ES GLSL ES 1. 1, which in this case is the legacy, non-GLVND NVIDIA GLX client library. I am using ubuntu 16. 1) do we need to allocate buffers using libdrm or egl in the both the wayland clients, 2) assuming both are running in different process context. EGL is a specification from the Khronos Group that provides an intermediate layer between other Khronos specifications (OpenGL, OpenGL ES, OpenVG), called "client APIs", and the native graphics system. ac: Bump version to 1. Setup the Wayland environment as described in Wayland home page. Waffle Synopsis. Wayland compositors communicate with Wayland clients over the Wayland display server protocol. A very ugly Wayland EGL OpenGL example. also have support for ivi-shell. The latest long-lived NVIDIA Linux driver reached the 390. I can now run it on both with x11 it just works in wayland if i prefix PYOPENGL_PLATFORM = "EGL" then it works. When using software rendering, also export ELM_ACCEL=none. For selected platforms (currently only Linux), Waffle allows clients to access the backing native objects of each Waffle object. I have attached WAYLAND_DEBUG=1 weston-simple-egl and glxinfo output. With that then, GL can be used to render into these buffers, which will be shown to the display by queuing a page flip via KMS/DRM API. 0 program that draws a single triangle. 33, 17 44 51 West Be nd H. It's been a long time coming for the proprietary GPU driver stacks to support Wayland/Mir, but with today's 364. Wayland 是用於 compositor 與應用軟體溝通的通訊協定, 以及此通訊協定的 C 函式庫實作. yeah, maybe there is some room for an EGL extension. With further support from the X. Coupled with the jwzGLES wrapper, it permits to run legacy OpenGL applications on a Wayland compositor, eventually using hardware acceleration. 13 - Why doesn’t your gl. It is a rust wrapper around the libwayland-client. For whoever is interested, there is actually a reason (other than lazyness) why on my wayland bindings are bindings to the wayland C library, and not a re-implementation of the protocol like skylane: OpenGL support. Glfw Egl - ssul. Navigation application is assumed to be a linux application. 9-iot-armhf-2019-06-30 www. Westeros consists of two parts: a generic part, and a SOC specific part. so to my Qt 5. Output from running minimal example: sing Wayland-EGL [0819/101851:ERROR:resource_bundle. The main library (libEGL) is window system neutral. For the sample native app (com. He fills his days working as Collabora’s Graphics Domain Lead, arguing with Wayland, GStreamer, WebKit, GLES / EGL and KMS; of which some occasionally bend to his will. John' s Mil. Requires EGL 1. I ended up forcing everything through Wayland globally, and individually unsetting the env vars for apps that didn't work with wayland. 0 -v videotestsrc ! waylandsink test the video rendering in wayland. 0-1 from the repository. tests: Make wayland-scanner strict: Jonas Ådahl: 1-4 / +4: 2018-07-30: tests: Use public-code and private-code instead of code: Jonas Ådahl: 1-1 / +2: 2018-07-16: xdg-output: add a transform example for the logical size: Simon Ser: 1-0 / +3: 2018-07-04: configure. createDisplay("wayland-0") // Create. I have tried copying libqwayland-egl. Waypipe may be run locally without an ssh connection by specifying matching socket paths. It supports normal, nested, and embedded wayland compositing. Bugzilla – Bug 91888 EGL Wayland software rendering no longer work after regression Last modified: 2015-12-10 00:20:24 UTC. GLFW is licensed under the zlib/libpng license. And I can see the EGL and GLESV2 headers on disk, but the build still can't see them. Waffle is a cross-platform C library that allows one to defer selection of an OpenGL API and window system until runtime. EGL Support for Wayland Compositors: EGL_WL_bind_wayland_display To share buffers between clients and compositors: Compositor uses EGL_WL_bind_wayland_display to bind a wl_display to an EGLDisplay. EGL_MESA_image_dma_buf_export EGL_WL_bind_wayland_display [22:36:59. The version of sdl is d6ecbe2f from 22. It is recommended to use a powerful personal computer (for example: Intel Core i7 CPU, 8GB RAM, at least 80GB free disk space) with a GNU/Linux distribution, in my case Ubuntu. There is no dependency between opengl and wayland. We discuss this style of design in Chapter 11. Another effect of the loss of "Mir EGL" in Mesa and the consequent switch to Wayland ls that the "Mir-on-Mir" support needed to use the Unity greeter is no longer available. Qt will be installed into '/mnt/usr/local/qt5'. Org Foundation. 0 program that draws a single triangle. Contribute to eyelash/tutorials development by creating an account on GitHub. h and wayland-server-protocol. The scene allocates and returns a subclassed LinuxDmabuf::Buffer that contains the file descriptors and backend specific objects, such as EGL images. It does unconditional checks into X11-specific code and asserts. It provides comprehensive access to EGL functions, while offering a very Pythonic API. wayland-egl, which is necessary client-side for OpenGL integration wayland-cursor , which helps with loading cursor images from the system temes for use in your apps And finally 3 internal crates, that you'll need only for integrating a custom protocol extension:. 0 Programming Guide from Addison-Wesley provides a good tutorial on using EGL with OpenGL ES, complete with example code on Github. 2 cover the lifetime of EGL objects. No Clipboard Manager. 3 core profile, Wayland with OpenGL ES2, and other window system / API combinations. EGL is an interface between OpenGL and the native windowing system. The protocol defines the essential functionality for client applications and the display server, like providing access to input devices and registering shared buffers for displaying on the screen. In combination with the Pango or Freetype2 font backends of kmscon, you get a hardware-accelerated console with anti-aliases fonts without any X11/Wayland/etc. The program we will write is just about the most basic example of an OpenGL ES 2. h, used in examples. Additionally, I've built mesa with the following configuration: --with-egl-platforms=wayland,drm,x11 --disable-gallium-egl --with-dri-drivers="" --enable-gles1 --enable-gles2 --with-gallium-drivers=r300,swrast --enable-shared-glapi --enable-gbm I've also tried --enable-gallium-egl with the same result, though the bt was using gallium paths. The ws-testcase's tpl-novice has sample code for the libtpl-egl. zypper in qt5-qtwayland-wayland_egl-examples qt5-plugin-imageformat-jpeg qt5-plugin-platform-eglfs qt5-qtsvg-plugin-imageformat-svg gettext xda-developers HP TouchPad Other TouchPad Development Sailfish SDK on the Touchpad with libhybris by jshafer817. [10] The Simple DirectMedia Layer toolkit has been. You can rate examples to help us improve the quality of examples. Kiosk snaps Essentially kiosk snaps are Wayland applications packaged as a snap. Wayland API OpenGL ESv2/EGL UX-FW(API) Native App Webkit2-EFL App Manifest App Manifest App Manifest Configurations Application Mgr Weston IVI Shell Wayland-Server EFL Function call WebSocket Protocol Wayland Protocol UI Component HTML5 App Multi Input Manager RemoteGL Proxy Multi Window Manager OpenGL/EGL API r 別ECU Other ECU Weston. Wayland compositors communicate with wayland clients over the Wayland display server protocol. The book's text provides an introduction to the parts of EGL that are independent of operating system. On Fedora 28 and newer, install the dependencies with the command $ dnf install wayland-devel libX11-devel libxkbcommon-x11-devel mesa-libGLES-devel mesa-libEGL-devel On Ubuntu 18. Oh, right, the core compositor doesn't see wl_drm, etc. There is no dependency between opengl and wayland. Buffers are imported by the scene. wayland-compositor It's the canonical sample compositor Written in C, directly to EGL/GLES2 No high-level dependencies Simple 2D scenegraph, efficient repaint loop No overdraw, pageflips to client buffers MeeGo implemented in a loadable policy module Simple fullscreen animations Higher level UI in meego-ux-daemon. Note that the use of a particular loader may be implicit: GLEW, for example, uses the GLEW_EGL C preprocessor macro to choose the loader. Under the hood, the EGL stack is expected to define a vendor-specific protocol extension that lets the client side EGL stack communicate buffer details with the compositor in order to share buffers. [email protected]:~$ robo3t-snap This application failed to start because it could not find or load the Qt platform plugin "wayland-egl" in "". X) as: 2019-July Debian Stretch. Weston is a minimal and fast. See the pkg-config man page for more details. Wayland is a protocol that specifies the communication between a display server and its clients. 1-devel (git-04a11b5) [11:45:05. Screeshot here. 一言で言えば「X11 に変わる次の Window System」でしょうか。 Wikipedia より引用します。 背景 Waylandのプロジェクトは、レッドハットの開発者Kristian Høgsbergが「全てのフレームがパーフェクトであること — 言いたいのは、画面の乱れや遅れや再描画やちらつきを二度と見ずに済むくらい. Once EGL Wayland platform knows the size, it can allocate a graphics buffer by calling the Mesa GPU driver. The example code sets buffer_factor to 2 to create duplicated ExecutionObjectPipelines with identical ExecutionObjects to perform double buffering, so that host pre/post-processing can be overlapped with device. Hi all, Summary: I am trying to get Qt 5. This is an example of an issue which was relatively straightforward to resolve under Wayland, but which would have been a lot of pain to get working under X. Wayland is a "work in progress". qt: This application failed to start because no Qt platform plugin could be initialized. All the sample client applications in the weston package like weston-simple-egl, weston-simple-shm, weston-flower etc also have support for ivi-shell. The current release added basic Intel Gemini Lake processor support, fixes crashes in GLX, EGL and Wayland-EGL, resolves a number of memory leaks in the video decoding drivers, makes the Intel Vulkan driver more robust by exporting only the required symbols (previously we would get symbol collisions leading to strange behaviour or even crashes). 91) wayland compositor infrastructure - cursor library dep: libwayland-egl1-mesa (>= 10. Contribute to eyelash/tutorials development by creating an account on GitHub. Sample compositor and clients. 3 Background Story Make mcompositor a Wayland server Run mcompositor on EGL and KMS. @vanyasem, Yes it should be possible to build it with different headers. txt of each example. We will be using Ubuntu 18. xml, clone the EGL-Registry git repository and see the README. Wayland is a good example of a display manager that provides this kind of functionality. For example, on Linux an EGL implementation could support X11, Wayland, GBM (Generic Buffer Manager), Surface Flinger, and perhaps other platforms. Therefore, the end-user Qt application has to use the wayland-egl Qt QPA plugin. Alternatively, you may set the environment variables EGL_CFLAGS and EGL_LIBS to avoid the need to call pkg-config. In the given example, it will build and install libEGL, libGL, libGLESv1_CM, libGLESv2, and one or more EGL drivers. I successfully compiled multiple examples on my host machine, but on the target, I always get an error: either "Segmentation fault", or "Could not open egl display". Analyzing the simplest Wayland Clinet test Wayland is a replacement of X System. The SDK includes the application called layer-add-surfaces which is part of the wayland-ivi-extension. Here is a sample code in wayland source named "simple-egl"2, some people who use opengl may know it. 6 systemd platform. Qt can use EGL for context and surface management, however the API contains no platform. EGL_KHR_partial_update solves this by making the communication between Weston and the EGL driver two-way. Kiosk snaps made easy The following assumes some familiarity with using snapcraft to package snaps, and concentrates on the specifics of snapping graphical snap intended to work with, for example, the mir-kiosk snap on Ubuntu Core. The Wayland display server protocol uses EGL. Globals come and go as a. © 2001–2020 Gentoo Foundation, Inc. While dynamic fallback from Wayland to X11 would be a nice feature, it requires the executable to dynamically link with libwayland-egl. There is no dependency between opengl and wayland. 13 - Why doesn’t your gl. So in order do to Wayland on X you will need to tweak it as well. A notable improvement was merged into the "xserver" Git tree for the eventual X. You can add your code example here. EGL External Platform management and Wayland implementation as external platform. Westeros is intended to be built using Yocto. And a tech preview of GTK global menu integration. 12 Hakoila) on my system with a Nvidia GeForce GTX 1050. Firefox Browser; Firefox Private Network. Drivers are dynamically loaded by the main library and most of the EGL API calls are directly dispatched to the drivers. My computer has an Intel Pentium N5000 with iGPU UHD 605. The open source implementation in the mesa EGL stack is in wayland-egl. The latter is accomplished by doing modesetting via the well-known DRM/KMS path and combining it with the EGL device extensions. I chose to use the gl_render so that the EGL sample(s) could be run. (See VkCube's kms code for a example). Blog; Forum; Files; Wiki; Members; Mentions; Sub-Groups; Tags. wl_drm and eayland_egl buffer age fix for gl when. Contribute to eyelash/tutorials development by creating an account on GitHub. sock client & waypipe --socket /tmp/waypipe. Wayland: Wayland is a protocol that specifies the communication between wayland clients (driver) and wayland reference platform (weston is one such example). 0 with some patches (1 2) that folks on IRC asked me to include. EGL is an interface between OpenGL and the native windowing system. The version of weston is 7. 16 added support for. Reinstalling the application may fix this problem. 0, we begin with a simple example. / src / egl / wayland / wayland-egl / wayland-egl. Example KMS/GBM/EGL application. However, there are a few challenges, especially when it. This section explains how to use Qt Virtual Keyboard to interact with the Qt Widgets Line Edits example using the Pure QML example as a compositor. What this generally means is that the documentation is completely out of sync with the code, examples you find on the net don't work and getting things to work is - at best - tricky. QtWayland is separated into a client and server side. 16 [11:45:05. "Wayland is a protocol for a compositor to talk to its clients as well as a C library implementation of that protocol. Confira nessa matéria alguns detalhes da nova versão do Mesa para o seu GNU/Linux. 3 core profile, Wayland with OpenGL ES2, and other window system / API combinations. Compared with running applications on a desktop, these do not care about. you allow X11 as runtime fallback, I added a either X11 or Wayland compile time option. As usual, a console image is …. The NVIDIA blob uses a custom EGL extension which Plasma 5. QtWayland 모듈은 Wayland의 기능을 사용할 수 있도록 API를 제공한다. DISTRO_FEATURES_remove = "x11 wayland" The Wandboard Linux Kernel 3. The only one that isn’t playing nice is Nvidia. Define the functionality of the native app on the source code. gpuvis , useful to get an idea of how rendering is performing. The EGL Wayland platform means, that you can pass Wayland types as EGL native types, for instance a struct wl_display * as the EGLNativeDisplayType parameter of the eglGetDisplay() function. 1: gst-launch-1. Running a 8. pc' to the PKG_CONFIG_PATH. For instance, an application developed on Qt could be run using "-platform xcb" and "-platform wayland" for XCB or Wayland respectively (or set the QT_QPA_PLATFORM environment variable) and should have a similar behavior on both systems, without the need to recompile. It can be used to test kernel mode setting and Mesas DRM drivers. 1-devel (git-04a11b5) [11:45:05. As I understood, the problem occurs from EGL library. chromium / chromiumos / third_party / mesa / factory-2368. I have tried copying libqwayland-egl. What this generally means is that the documentation is completely out of sync with the code, examples you find on the net don't work and getting things to work is - at best - tricky. This crate provides the interfaces and machinery to safely create client applications for the wayland protocol. To run a Qt 5 app with the Wayland plugin, set the QT_QPA_PLATFORM=wayland-egl environment variable. Running weston's sample client applications with IVI shell¶ All the sample client applications in the weston package like weston-simple-egl, weston-simple-shm, weston-flower etc also have support for ivi-shell. The ACTUAL Mir and Wayland Comparison As someone who has experience with both codebases, I feel qualified to answer this question. 16 [11:45:05. There is a binary protocol, and you can technically implement that protocol without using the wayland-scanner-generated code, but since the Wayland EGL platform is defined in terms of the wl_display* structure from libwayland your implementation will need to be ABI compatible with the existing implementation in order for 3D accelerated clients. 5 the Vivante EGL window type: Code Examples. Other examples are mpv which is a video player based on MPlayer/mplayer2 or the minimalist web-client xombrero, midori and epiphany also have full support for wayland. Wayland 是用於 compositor 與應用軟體溝通的通訊協定, 以及此通訊協定的 C 函式庫實作. Now for the display, opengl can use different back ends like drm/kms (ST promotes), x11, wayland or fb (ST do not advice). This is a useful snap for verifying that the graphics stack of your hardware is correctly set up. However, there are a few challenges, especially when it. The compositor can be a standalone display server running on Linux kernel modesetting and evdev input devices, an X application, or a wayland client itself. 우선 wayland에 관한 설명은 다음 글을(Wayland에 대한 간단한 소개) 참고하자. For example: waypipe --socket /tmp/waypipe. so files that I copied over. So for this library you can use any of these back ends. Let's begin with a trivial example: glmark2-wayland - it is a test application that uses OpenGL and Wayland. Enter search criteria. It is not intrusive since it is activated by default at compile-time. c; Directory: com. Partly fixed: Requires manual activation. Depends on the window manager you are using. 3(such context can be created with glXCreateContextAttribsARB using GLX and xlib in the X server). Like with the common services in desktop-legacy, as these other services are made safe or new ones designed to replace them, they will be added to the desktop interface (for example, work is already underway for freedesktop. The full API is in the wayland-egl. However, I don't know if there is a better approach to this other than testing if a connection is possible and fail (with an exception in this case since the connection is done during class. html: Additional egl functions for wayland: OpenSuSE Ports Leap 15. ebuild b/net-libs/webkit-gtk/webkit-gtk-2. 16 [11:45:05. Waypipe may be run locally without an ssh connection by specifying matching socket paths. I also wonder if it's possible for the CI server (build server that installs deps itself) to somehow build packages with different headers. New Wayland support should be implemented the same way like X11 or Mir. Download libqt5-qtwayland-32bit-5. 0 Example To introduce the basic concepts of OpenGL ES 2. 2 Release : 2. Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, xcb. / src / egl / wayland / wayland-egl / wayland-egl. Unfortunately I'm not familiar with Wayland, so that might be the problem. It is implemented in a way that Wayland clients will draw directly to the framebuffer using EGL. This is done via EGL. If you want to write C++, or C, games that are easily portable to other platforms SDL 2 is the way to go on Raspbian. Define the functionality of the native app on the source code. The protocol defines the essential functionality for client applications and the display server, like providing access to input devices and registering shared buffers for displaying on the screen. lib64wayland-egl-devel-17. libwayland-egl1-99~1. It opens a new alpha transparent Wayland window with a rotating colorized triangle. For example, if this key is set to: WaylandModes "egl,drm,compositor". Mesa3D, it's all about composition. The server side is the Qt Wayland Compositor API, and allows users to write their own Wayland compositors. The version of weston is 7. With X11, I experience some tearing on the web. org Preloaded SdCards R-PI Prerequisites For a chroot and build system we would need. waylandsink. This protocol defines that clients can directly write data into the framebuffer using the EGL rendering API. @vanyasem, Yes it should be possible to build it with different headers. Wayland is a protocol for a compositing window manager to talk to its clients, as well as a library implementing the protocol. 3(such context can be created with glXCreateContextAttribsARB using GLX and xlib in the X server). Running a 8. Uh these are what you'd expect. The open source implementation in the mesa EGL stack is in wayland-egl. The SDK includes the application called layer-add-surfaces, which is part of the wayland-ivi-extension. EGL certifications are less expensive for the seller to purchase, and are therefore more popular with retailers who must subsidize the cost of the certification within the. evdev (for event device) is a component of the Linux kernel for handling input (from keyboards, mice, joysticks, etc. So if for instance the qopenglwidget example seems to get stuck at 20 FPS after startup, check this forum thread for examples on how to change this. html: Additional egl functions for wayland: OpenSuSE Ports Leap 15. I'm not quite sure what you mean with the 'own virtual windows'. 26: this is because glxgears links libGL. Jørgen Lind, updated me with: "the default buffersharing to use is wayland_egl. For instance for a Pacman game, you basically need to check if the user has pressed keyboard keys, update the position of Pacman accordingly, and draw a new frame. Pegl is a binding to EGL 1. 1) and its corresponding configuration file In the example above,. Mesa links to the wayland C libs and expects the client to give it pointers to C structs from this lib to initialize an OpenGL context. The compositor's support for hardware accelerated clients is the server side of Wayland-enabled libEGL. Raspberry Pi - Building SDL 2 on Raspbian Posted on January 22, 2015 by Paul. Weston is a minimal and fast. The extension is only implemented in the Wayland EGL platform because of course it wouldn't make sense anywhere else. Boards like the Jetson TK1 Pro running a Yocto-generated Vibrante Linux image have support for X11, Wayland, and even running with plain EGL without a full windowing system. For single-process use cases, the Qt Platform Abstraction is a superior solution; multi-process use cases are supported through Wayland. 15: Jonas Ådahl: 1-1 / +1: 2018-07-04: unstable: add. It requires setting the KWIN_DRM_USE_EGL_STREAMS=1 environment variable to activate. Tested with both 2. All major Linux desktop systems like Gnome, KDE do support Wayland, and there is also a reference implementation for a compositor called "Weston". wayland-protocols: Changes to 'debian-unstable'. There are also a few set-top boxes that are based on Wayland. It opens a new alpha transparent Wayland window with a rotating colorized triangle. The protocol defines the essential functionality for client applications and the display server, like providing access to input devices and registering shared buffers for displaying on the screen. WebProcess acts as the only fullscreen EGL client of that compositor. I am trying to mimic the configuration and am failing to run my application with the following error: [email protected] Also note that all of this applies for Plasma Mobile as well, where it’s also useful for applications as well, where it’s most convenient since you get a proper keyboard and screen to look at. Performance could be affected. Season Record Wayland Opponent Neenah-Menasha Y 35,34 60. And then, either way, you will also want to add mouse events , keyboard events and resize events with Wayland and/or EGL. waylandegl), you must: Create and update the file: wayland_egl. The project is now virtually a 100% replacement for the original GLUT with only a few departures (such as the abandonment of SGI-specific features such as the Dials&Buttons box and Dynamic Video Resolution) and a shrinking set of bugs. xml, clone the EGL-Registry git repository and see the README. XWayland implements a compatibility layer to seamlessly run legacy X11 applications on. I double checked with "ldd", and I'm using my cross-compiled Qt. The following article describes a simple and quick way to. Some examples include Mutter and KWin (of the GNOME desktop and KDE Plasma respectively). 5::gentoo USE="X bmp eet fontconfig gif gnutls ico jpeg nls opengl png ppm psd sdl sound ssl tiff wayland xcb xpm -debug -doc -drm -egl -fbcon -fribidi -gles -glib -gstreamer -harfbuzz -ibus -jp2k -physics (-pixman) -pulseaudio -scim -systemd -tga -tslib -v4l2 -webp -xim -xine" ABI_X86="64". 8 to be released, we need to get the latest QtWayland 5. Hello Triangle: An OpenGL ES 2. The Simple DirectMedia Layer toolkit has been ported to use EGL. Navigation application is assumed to be a linux application. My computer has an Intel Pentium N5000 with iGPU UHD 605. So if for instance the qopenglwidget example seems to get stuck at 20 FPS after startup, check this forum thread for examples on how to change this. Reinstalling the application may fix this problem. 4, written in native Python 3 through the ctypes library. Technically, Wayland is not a replacement for the X server by itself—Wayland only defines the way in which such a display server should talk to those applications. There is also a compositor reference implementation called Weston. 2 cover the lifetime of EGL objects. The following source code will display a yellow screen on your target device. And there are following changes included in the release: Fixed a regression introduced in 390. On Linux systems using Wayland, the Wayland API is used for window and input management, and EGL to create OpenGL and OpenGL ES contexts. wayland_egl. The available platforms are x11, drm, wayland, surfaceless, android, and haiku. Weston is the reference implementation of a Wayland compositor that is a display server using the Wayland protocol. For instance, an application developed on Qt could be run using "-platform xcb" and "-platform wayland" for XCB or Wayland respectively (or set the QT_QPA_PLATFORM environment variable) and should have a similar behavior on both systems, without the need to recompile. patch which fixes a crash in a Wayland session when a QQuickWindow hides and then is destroyed. Qt can use EGL for context and surface management, however the API contains no platform. Download waylandpp-devel-0. Reinstalling the application may fix this problem. MX6/7 boards with the current 4. The server side is the Qt Wayland Compositor API, and allows users to write their own Wayland compositors. As it happens every other year, Debian released a new version of its distribution named Buster. /PSA_ENTRY_BOOTH55. Hello, i got wayland/weston running according to the instructions given in. System Settings with KDE's Kirigami framework gives the pages a slick new look. It requires setting the KWIN_DRM_USE_EGL_STREAMS=1 environment variable to activate. DISTRO_FEATURES_remove = "x11 wayland" The Wandboard Linux Kernel 3. Implement OSG-Wayland/OSGLand 1. Daniel is the graphics lead at Collabora, working with Wayland/Weston, Mesa (including EGL/OpenGL ES/Vulkan), the Linux kernel DRM/KMS display and modesetting, GStreamer, and more. Car Navigation, Rear view camera) are implemented standalone and therefore one service is used to composite all applications to final image on screens by the own window manager. tests: Make wayland-scanner strict: Jonas Ådahl: 1-4 / +4: 2018-07-30: tests: Use public-code and private-code instead of code: Jonas Ådahl: 1-1 / +2: 2018-07-16: xdg-output: add a transform example for the logical size: Simon Ser: 1-0 / +3: 2018-07-04: configure. There is also a compositor reference implementation called Weston. For example, on Linux an EGL implementation could support X11, Wayland, GBM (Generic Buffer Manager), Surface Flinger, and perhaps other platforms. I did `sudo apt-get install libraspberrypi-dev` but it's already installed. Org Server and Wayland compositors. 346] GLSL version: OpenGL ES GLSL ES 3. Wayland is a communication protocol that specifies the communication between a display server and its clients, as well as a C library implementation of that protocol. I ended up forcing everything through Wayland globally, and individually unsetting the env vars for apps that didn't work with wayland. Uh these are what you'd expect. The SDK includes the application called layer-add-surfaces which is part of the wayland-ivi-extension. It is recommended to use a powerful personal computer (for example: Intel Core i7 CPU, 8GB RAM, at least 80GB free disk space) with a GNU/Linux distribution, in my case Ubuntu. The OpenGL Utility Toolkit for EGL. For the time being, WPEQt only targets Linux platforms using graphics drivers compatible with wayland-egl. There is also a compositor reference implementation called Weston. The RGB (GL) waveform widgets and spinnies are empty/transparent and the desktop background shines through. EGL is a specification from the Khronos Group that provides an intermediate layer between other Khronos specifications (OpenGL, OpenGL ES, OpenVG), called "client APIs", and the native graphics system. Firefox on Linux have suffered by poor WebGL performance for long, long time.