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gl/wayland: use wayland's roundtrip_queue()

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There's no need to roll our own anymore
This commit is contained in:
Matthew Waters 2020-03-05 12:29:49 +11:00 committed by GStreamer Merge Bot
parent 0739fafd62
commit f58914b93b
3 changed files with 4 additions and 77 deletions
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8
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c
View file

@ -554,8 +554,8 @@ gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
wl_registry_add_listener (window_egl->display.registry, &registry_listener,
window_egl);
if (gst_gl_wl_display_roundtrip_queue (window_egl->display.display,
display->display, window_egl->window.queue) < 0) {
if (wl_display_roundtrip_queue (display->display,
window_egl->window.queue) < 0) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to perform a wayland roundtrip");
@ -610,8 +610,8 @@ _roundtrip_async (GstGLWindow * window)
create_surfaces (window_egl);
if (gst_gl_wl_display_roundtrip_queue (window_egl->display.display,
display->display, window_egl->window.queue) < 0)
if (wl_display_roundtrip_queue (display->display,
window_egl->window.queue) < 0)
GST_WARNING_OBJECT (window, "failed a roundtrip");
}

69
gst-libs/gst/gl/wayland/wayland_event_source.c
View file

@ -54,75 +54,6 @@ init_debug (void)
}
}
static void
sync_callback (void *data, struct wl_callback *callback, uint32_t serial)
{
gboolean *done = data;
GST_TRACE ("roundtrip done. callback:%p", callback);
*done = TRUE;
wl_callback_destroy (callback);
}
static const struct wl_callback_listener sync_listener = {
sync_callback
};
/* only thread safe iff called on the same thread @queue is being dispatched on.
* Otherwise, two prepare_read{_queue}()'s can be indicated for the same
* queue and dispatch{_queue}() may be called for different threads which
* will cause deadlocks as no guarantees for thread-safety are given when
* pumping the same queue from multiple threads.
* As a concrete example, if the wayland event source (below) for a @queue is
* running on a certain thread, then this function must only be called in that
* thread (with that @queue). */
/* @sync_display is the wl_display that is used to create the sync object and
* may be a proxy wrapper.
* @dispatch_display must not be a proxy wrapper.
* @queue can be NULL. */
gint
gst_gl_wl_display_roundtrip_queue (struct wl_display *sync_display,
struct wl_display *dispatch_display, struct wl_event_queue *queue)
{
struct wl_callback *callback;
gboolean done = FALSE;
gint ret = 0;
init_debug ();
GST_TRACE ("roundtrip start for dpy %p and queue %p", dispatch_display,
queue);
if (!(callback = wl_display_sync (sync_display))) {
GST_WARNING ("creating sync callback failed");
return -1;
}
GST_TRACE ("create roundtrip callback %p", callback);
wl_callback_add_listener (callback, &sync_listener, &done);
if (queue) {
while (!done && ret >= 0) {
ret = wl_display_dispatch_queue (dispatch_display, queue);
GST_TRACE ("dispatch ret: %i, errno: (%i, 0x%x) \'%s\'", ret, errno,
errno, g_strerror (errno));
}
} else {
while (!done && ret >= 0) {
ret = wl_display_dispatch (dispatch_display);
GST_TRACE ("dispatch ret: %i, errno: (%i, 0x%x) \'%s\'", ret, errno,
errno, g_strerror (errno));
}
}
if (ret == -1 && !done)
wl_callback_destroy (callback);
GST_DEBUG ("roundtrip done for dpy %p and queue %p. ret %i, "
"errno: (%i, 0x%x) \'%s\'", dispatch_display, queue, ret, errno, errno,
g_strerror (errno));
return ret;
}
typedef struct _WaylandEventSource
{
GSource source;

4
gst-libs/gst/gl/wayland/wayland_event_source.h
View file

@ -36,8 +36,4 @@
GSource * wayland_event_source_new (struct wl_display *display,
struct wl_event_queue *queue);
G_GNUC_INTERNAL gint gst_gl_wl_display_roundtrip_queue (struct wl_display *sync_display,
struct wl_display *dispatch_display,
struct wl_event_queue *queue);
#endif /* __WAYLAND_EVENT_SOURCE_H__ */