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gl: wayland: Fix hinding the window on close()

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When the window is called, we properly destroy all surfaces, which effectively
will unmap that surface and should make it disapear on screen, but we also
destroy the wl_source, a GSource that is resposibble of dispatching and executing
messages to/from the Wayland server.

As a side effect, the server never gets the message and the surfaces are
"leaked" on the server. We fix this using wl_display_flush() before destroying
the wl_source.

Fixes #815

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1226>
This commit is contained in:
Nicolas Dufresne 2021-07-14 11:43:10 -04:00 committed by GStreamer Marge Bot
parent 88e19f857a
commit 3e69c5546b
1 changed files with 5 additions and 0 deletions
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5
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c
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@ -469,6 +469,11 @@ gst_gl_window_wayland_egl_close (GstGLWindow * gl_window)
destroy_surfaces (window_egl);
/* As we are about to destroy the wl_source, we need to ensure everything
* has been sent synchronously, otherwise we will be leaking surfaces on
* server, leaving the window visible and unrefreshed on screen. */
wl_display_flush (GST_GL_DISPLAY_WAYLAND (gl_window->display)->display);
g_source_destroy (window_egl->wl_source);
g_source_unref (window_egl->wl_source);
window_egl->wl_source = NULL;