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wayland: use a local event queue to avoid lock contention.

Browse source 
This improves performance when rendering several surfaces from within
the same process. e.g. a tee of vaapidecode'd buffers to vaapisink.
This commit is contained in:
Gwenole Beauchesne 2013-01-28 18:09:09 +01:00
parent 96d12f9eb1
commit 1d16669aca
1 changed files with 19 additions and 6 deletions
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25
gst-libs/gst/vaapi/gstvaapiwindow_wayland.c
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@ -50,6 +50,7 @@ struct _GstVaapiWindowWaylandPrivate {
struct wl_surface *surface;
struct wl_buffer *buffer;
struct wl_region *opaque_region;
struct wl_event_queue *event_queue;
guint redraw_pending : 1;
guint is_shown : 1;
guint fullscreen_on_show : 1;
@ -76,19 +77,17 @@ gst_vaapi_window_wayland_sync(GstVaapiWindow *window)
{
GstVaapiWindowWaylandPrivate * const priv =
GST_VAAPI_WINDOW_WAYLAND(window)->priv;
gboolean success = TRUE;
if (priv->redraw_pending) {
struct wl_display * const wl_display =
GST_VAAPI_OBJECT_WL_DISPLAY(window);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
do {
success = wl_display_dispatch(wl_display) >= 0;
} while (success && priv->redraw_pending);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (wl_display_dispatch_queue(wl_display, priv->event_queue) < 0)
return FALSE;
} while (priv->redraw_pending);
}
return success;
return TRUE;
}
static void
@ -157,11 +156,18 @@ gst_vaapi_window_wayland_create(
g_return_val_if_fail(priv_display->compositor != NULL, FALSE);
g_return_val_if_fail(priv_display->shell != NULL, FALSE);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->event_queue = wl_display_create_queue(priv_display->wl_display);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!priv->event_queue)
return FALSE;
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->surface = wl_compositor_create_surface(priv_display->compositor);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!priv->surface)
return FALSE;
wl_proxy_set_queue((struct wl_proxy *)priv->surface, priv->event_queue);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->shell_surface =
@ -169,6 +175,8 @@ gst_vaapi_window_wayland_create(
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!priv->shell_surface)
return FALSE;
wl_proxy_set_queue((struct wl_proxy *)priv->shell_surface,
priv->event_queue);
wl_shell_surface_add_listener(priv->shell_surface,
&shell_surface_listener, priv);
@ -203,6 +211,11 @@ gst_vaapi_window_wayland_destroy(GstVaapiWindow * window)
wl_buffer_destroy(priv->buffer);
priv->buffer = NULL;
}
if (priv->event_queue) {
wl_event_queue_destroy(priv->event_queue);
priv->event_queue = NULL;
}
}
static gboolean