Sets keygrab value of the window. The EFL toolkit with the upcoming v1.21 release will now be hooking into Wayland's frame callbacks to better dealing with drawing, only drawing when necessary, and doing so without the possibility of tearing. Attach the new wl_buffer to our surface. So if the Counter increases by one, something changed on the surface. A real world example of event queue usage is Mesa's implementation of glSwapBuffers() for the Wayland platform. Implement and upstream: frame callback, presentation feedback, zero-copy/native gpu memory buffers, gpu rasterization and better performance. wayland objects¶. Raw image is here. Let's enable it again and make sure we don't flush the drawings between Lock()/Commit() compositor calls which is controlled by mBufferCommitAllowed. Steps to reproduce: 1. xwayland: Do not discard frame callbacks on allow commits Currently, when a X11 client (usually the X11 window manager from a Wayland compositor) changes the value of the X11 property `_XWAYLAND_ALLOW_COMMITS` from `false` to `true`, all pending frame callbacks on the window are discarded so that the commit occurs immediately. Sep 22 2017, 7:06 PM ManMower added a commit: rE077ae0695507: Fix wayland frame callback failure . Observe how Qt keeps creating new wl_callback objects with constantly increasing id and the weston-tablet-shell. The third step, broken down, is: Update our state with a new offset, using the time since the last frame to scroll at a consistent rate. The documentation for this struct was generated from the following file: libweston/backend-wayland/ wayland.c. SUMMARY The Firefox Wayland backend uses a rather unconventional but, according to spec and with a clear consensus of Weston, Gnome and wlroots devs, valid method to use frame callbacks: it tries to emulate vsync by constantly requesting frame callbacks in a dedicated loop for the main surface - even though it may not trigger any repaints (i.e. wayland e is now locking up majorly for me. Add a comment | 1 Answer Sorted by: Reset to default . The custom data can be fetched via weston_output_get_destroy_listener() followed by container_of(). Commit the surface of a wayland window. A subreddit dedicated to the Sway window manager, a drop-in replacement for the i … For instance, if I ctrl+shift+c from kitty, I can ctrl+v into Firefox - no problems. It is undefined whether the time of receiving wl_surface.commit with a new buffer attached, applying the wl_surface state, wl_surface.frame callback trigger, presentation, or any other point in the compositor cycle is used to measure the frame or field times. 14 Branches. javascript three.js aframe. Request a notification when it is a good time to start drawing a new frame, by creating a frame callback. On gtk3 (at least at some point) frame extents was drawn by the window manager and on X11 we could use the WM _NET_FRAME_EXTENTS extension. After attaching a new buffer, this request is used to describe the regions where the new buffer is different from the previous buffer and needs to be repainted. See MR description for example output on my devices. However, the callback function was not invoked, after my display rendered. wayland: unset hidden state in frame callback: Dudemanguy: 2021-07-26: 1-8 / +1 * egl_helpers: fix create_context fallback behavior: Dudemanguy: 2021-07-25: 3-16 / +47 * command: handle changes to image-display-duration: Guido Cella: 2021-07-25: 1-0 / +5 * github/workflows: separate jobs with an endline: Jan Ekström: 2021-07-25: 1-0 / +2 * ci . coral / imx-gst-plugins-bad / refs/heads/staging / . Thanks for your experience sharing. When a client is animating on a wl_surface, it can use the 'frame' request to get notified when it is a good time to draw and commit the next frame of animation. 773 Commits. @@ -1177,9 +1185,7 @@ xwl_window_post_damage(struct xwl_window *xwl_window)}} In Mesa, this is in platform_wayland.c, it will block in get_back_bo function when starting to render. From the log it looks like mutter is flooded with wayland objects - see the large [email protected]_id chunk on a log end. Understanding Window Sizing and Decorations on Gtk4. /* This is useful for throttling redrawing operations, and driving animations. Data Drivers. 207. Other browsers don't wait for a vsync to kick off rendering work and so are able to achieve frame-rates between 30fps and 60fps, when measured over multiple frames (all of these browsers are . Description When a browser based on qtwebengine is not shown in wayland, it blocks. Run the application again from another terminal. If an application is not throttled to the frame callback, it's possible it will start a new frame before it has given the compositor a chance to get the current frame on screen. This is wayland I.e. Set the wp_presentation callback to return when the new front buffer is presented. $ WAYLAND_DEBUG=1 test.exe -> [email protected]_registry registry:+2 -> [email protected] callback:+3 The client connects to the server's socket at /run/user/1000/wayland- and sends two messages to object 1 (of type wl_display), which is the only object available in a new connection. That way the compositor gains more flexibility, it can optimize compositing whether it implements or not workspaces, minimization or whatever new window management mechanism. callback id for the new wl_callback - callback object for the sync request The sync request asks the server to emit the 'done' event on the returned wl_callback object. I would like to ask I am using Gstreamer to display FPS (Framerate) of a playing video on Linux terminal using fpsdisplaysink. 2. Then the apps need to realize they are not getting frame callbacks, and do the necessary clean-ups, if simply stopping repaint is not . Prepares all frame callbacks for sending. on any layer that is part of repaint), the frame callbacks will not be sent. This registers a callback in the Wayland server to be notified once the next frame for this Surface has been rendered. * global event for each global currently in the registry. Dispatch wayland frame callbacks in the correct order. run with ./wayland_example <path_to_image>. correctly set E_POINTER_RESIZE_BR mode for client keyboard resizing. Continue working on having an upstreamable solution for FileDialog implementation. and only after that the compositor can actually show the frame on screen. Fix wayland frame callback times. GTK3 now has a workaround for such issues, allowing multiple callbacks to be requested via gdk_wayland_window_add_frame_callback_surface (). I want to get a GTK4 Window's X, Y, Height and Width coordinates. For that: On DRM always do an atomic commit to receive a swap event. the surface is off-screen, or completely obscured by other opaque surfaces. The (*enter) , (*motion) , (*button) , (*axis) and (*frame) callbacks has corresponding wayland protocol equivalents. In Compositor go through all Wayland windows (including subsurfaces) and send frame callbacks to windows that requested one. This is an example of how to use the Wayland C++ bindings with EGL and OpenGL. compile with gcc wayland_example.cpp -lwayland-client -o wayland_example. When a client is animating on a wl_surface, it can use the 'frame' request to get notified when it is a good time to draw and commit the next frame of animation. Comment 7 Eero Tamminen 2016-11-25 16:23:28 UTC. Return the time when the new front buffer is displayed. Using the frame callback based VsyncSource (widget.wayland_vsync.enabled: true), apart from bringing a better experience on non-60hz monitors, offers significant power savings in in scenarios where FF is not visible. From a purely downstream perspective, I'd like to have Fedora Linux switch to Wayland by default for SDL-based applications (which we are able to do relatively quickly and easily since all SDL applications now use SDL2 since Fedora . Learn more about clone URLs. The Surface will emit the signal frameRendered after receiving the callback from the server. / ext / wayland / gstwaylandsink.c. Socket pairs created inside a container cannot always be shared with the host compositor. Now when I try to start weston via UART connection and the command: openvt -c 7 -w -v -- weston --tty=/dev/tty7 --device=/dev/fb0. Download ZIP. Delete a callback that fires when the window's surface_frame callback fires. Share. This is useful for throttling redrawing operations, and driving animations. This is useful for throttling redrawing operations, and driving animations. Globals come and. 101 votes, 12 comments. nouveau x86 has an extra awesome bug where the entire kernel goes . Use a monotonic clock for frame callback times. Definition at line 117 of file wayland.c. # define _POSIX_C_SOURCE 200112L. A.12.1.3. 206. WaylandIntegration. Request a notification when it is a good time to start drawing a new frame, by creating a frame callback. mark part of the surface damaged callback_t frame () request a frame throttling hint void set_opaque_region ( region_t const ®ion) set opaque region void set_input_region ( region_t const ®ion) set input region void commit () commit pending surface state void set_buffer_transform ( output_transform const &transform) This function might need to block until a frame callback is received, but dispatching the default queue could cause an event handler on the client to start drawing again. graphic acceleration. The latest Wayland work on the Enlightenment/EFL front has been improving the application redraw process. 633 1 1 gold badge 12 12 silver badges 31 31 bronze badges. Marcel Hollerbach (1): tiling: dont use floating state when toggling. blob: 265c466aa3eb8d6b2afdfc31b56555fe91afb169 [] [] [] Socket pairs created inside a container cannot always be shared with the host compositor. Swap the buffers using eglSwapBuffers (), so the most recently rendered buffer is now in the front. Mike Blumenkrantz (11): null out animator pointers in efx stop() operations. * When a client creates a registry object, the registry object will emit a. Sommelier provides a data driver option as a solution for this. Created attachment 333214 test application On Wayland, if the window of the application contains GtkGLArea and it's not on the current workspace, the application will not respond to D-Bus messages until it is moved to the current workspace or otherwise made visible again. Frame sync • Frame callback from Wayland • Avoid unnecessary repaints • Avoid blocking the mainloop • Avoid tearing, sync with display update • Implemented in SHM backend first, EGL backend a few months later. :(happens on pi and on nouveau x86. This is not a problem as Xwayland and other clients handle back pressure themselves using Wayland frame callbacks or similar mechanism. Content of widget/gtk/MozContainerWayland.cpp at revision 6e185ec2c4a42c00a07707e6fe7cb5c45df64988 in mozilla-esr91 The Wayland display, or wl_display, implicitly exists on every Wayland connection. For example, Enlightenment 0.21.7 makes the xwayland process start exactly 2 seconds after all modules have been loaded and the Wayland frame callbacks to be dispatched in the right order. A server should avoid signaling the frame callbacks if the surface is not visible in any way, e.g. A compositor may have to estimate the intended field rate from the incoming buffer rate. (Ubuntu 16.04 version of) Gnome Wayland is NOT a valid test-case for this bug. static int output_frame (kr_wayland_path *window, int num); static int request_frame (kr_wayland_path *window); static void handle_frame_done ( void *ptr, struct wl_callback *cb, uint32_t time); When moving the mouse, the callback is never called. Request a notification when it is a good time to start drawing a new frame, by creating a frame callback. • First Wayland release (0.85) in February, 2012 • Wayland 1.0 released in October, 2012. Bug 1580152 - [Wayland] Fix rendering glitches on wayland , r=jhorak a=RyanVM - Recently we're missing some drawings as we disabled flushing cached images in frame callback. This function might need to block until a frame callback is received, but dispatching the main queue could cause an event handler on the client to start drawing again. The main purpose of the listener is to allow hooking up custom data to the output. Hi Chris , I was using Yocto morty to build system, and will try to use Yocto rocko or sumo to create this new stuff. On Gnome Shell this includes being hidden by other windows (new in 3.36) or being on a not focused workspace. g_signal_connect(G_OBJECT(window), "configure-event", G_CALLBACK(frame_callback), NULL); And in the callback we could get the x and y position of the window with: void frame_callback(GtkWindow *window, GdkEvent *event, gpointer data) { int x . It is not yet used for vsync in content processes. FWIW I still believe this is fixable in EGL/WSI: timeout after 1s when waiting for the wl_surface frame callback. This may be delayed by a backend in some cases. Add a callback that fires when the window's surface_frame callback fires. The Wireless gadget was also improved, and you can find the full changelog . A real world example of event queue usage is Mesa's implementation of eglSwapBuffers () for the Wayland platform. copy+paste). Data Drivers. like the whole os starts to grind and hang for a second at a time with: Ozone/X11 upstreaming (requirement from Google as part of the Ozone/Wayland patches upstreaming effort). Prepare a new wl_buffer and render a frame for it. after a few seconds (30 or 60)of moving windows around hang - mainloop is alive just no more render buffers swapped. 具体的には、クライアントが描画指示の前にwl_surface.frameリクエストでwl_callback . Lets Wayland sessions run vsync off wayland surface frame callbacks by creating an interface for widgets to return a local VsyncSource, if applicable. Wayland's frame callback The idea is quite simple: the compositor will tell you when to draw. C++ (Cpp) GST_WAYLAND_SINK - 25 examples found. Registers a frame rendered callback. wl_surface::damage - mark part of the surface damaged. A monotonic clock is now used for frame callback times on Wayland, and the gadget editor pop-up was made scrollable. bad. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. How can I ensure it is called correctly? This is not a problem as Xwayland and other clients handle back pressure themselves using Wayland frame callbacks or similar mechanism. This function might need to block until a frame callback is received, but dispatching the default queue could cause an event handler on the client to start drawing gain. creation: you can use new_id in the request, this is the usual way, returns an object, like wl_surface creation from wl_compositor.. having a new_id in event, passed as an argument, I am supposed to store it.Said not to use it if unnecessary. . # include <assert.h>. The Wayland Protocol The Wayland display Up to this point, we've left a crucial detail out of our explanation of how the Wayland protocol manages joint ownership over objects between the client and server: how those objects are created in the first place. # include <errno.h>. After page flip is done, weston broadcast frame done event to all clients. The last two is a little special here(we should probably merge them), the are for handling the events to grab itself. Render and submit the new frame. Waylandはこの2番で役割を果たすものであるといえます。 . No changes in Weston core needed. Fuzzel is a Wayland-native application launcher, similar to rofi's drun mode. commit aa7bc501d59feff5fbf2fd50edf0bb06948df90f Author: Jonas Ådahl <jadahl gmail com> Date: Tue Mar 15 12:46:06 2016 +0800 wayland: Replace buffer destroy wl_signal . We can immediately see that when a frame exceeds the 16.67ms/60fps rendering budget in WebKit/WPE under the Wayland backend, that it hard drops to 30fps. This interface is currently used for the compositor, and for refresh drivers in the parent process. Bugzilla issue: #1616894 Request a new callback for the next frame. xwayland: Use frame callbacks for Present vblank events Overview 15 Commits 3 Pipelines 3 Changes 3 Instead of only the fallback timer. When a client is animating on a wl_surface, it can use the 'frame' request to get notified when it is a good time to draw and commit the next frame of animation. So framebuffer only, no opengl or something like that. What we need is providing frame callbacks to every surface, which requested one. Mike Blumenkrantz (24): Revert "re-enable getting and setting output rotations in wl_drm" . Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. In applications using EGL, the frame callback and buffer release events are handled by the EGL platform code, so it will probably block in a eglSwapBuffers or when starting to render a frame, in glClear for example. Screenshot Fuzzel, with transparency, on top of a browser window showing a diff of a fuzzel commit Features: Wayland native Rofi drun-like mode of operation dmenu mode where newline separated entries are read from stdin Emacs key bindings Icons! doesn't attach new buffers nor submits any damage). Due to fundamental differences between X11 and Wayland protocols, the exact work split between video output (render) and video window provider (GUI) must change in Wayland. Coordinates are relative to the new buffer. These are the top rated real world C++ (Cpp) examples of GST_WAYLAND_SINK extracted from open source projects. Sign in. Compile the test application and run it. window->callback = wl_surface_frame(window->surface); wl_callback_add_listener(window->callback, &frame_listener, window); The server's related callstack is as fallows. Wait until the callback is received. 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