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glwindow: Deactivate window before changing handle

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When setting a new window handle, we need to ensure all implementations
will detect the change.

For that we deactivate the context before setting the window handle, then
reactivate the context

https://bugzilla.gnome.org/show_bug.cgi?id=745090
This commit is contained in:
Edward Hervey 2015-02-24 14:01:04 +01:00
parent 7075b25288
commit a12ca13750
1 changed files with 35 additions and 1 deletions
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36
gst-libs/gst/gl/gstglwindow.c
View file

@ -290,6 +290,30 @@ gst_gl_window_finalize (GObject * object)
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
typedef struct _GstSetWindowHandleCb
{
GstGLWindow *window;
guintptr handle;
} GstSetWindowHandleCb;
static void
_set_window_handle_cb (GstSetWindowHandleCb * data)
{
GstGLContext *context = gst_gl_window_get_context (data->window);
GstGLWindowClass *window_class = GST_GL_WINDOW_GET_CLASS (data->window);
gst_gl_context_activate (context, FALSE);
window_class->set_window_handle (data->window, data->handle);
gst_gl_context_activate (context, TRUE);
}
static void
_free_swh_cb (GstSetWindowHandleCb * data)
{
gst_object_unref (data->window);
g_slice_free (GstSetWindowHandleCb, data);
}
/**
* gst_gl_window_set_window_handle:
* @window: a #GstGLWindow
@ -304,13 +328,23 @@ void
gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
{
GstGLWindowClass *window_class;
GstSetWindowHandleCb *data;
g_return_if_fail (GST_GL_IS_WINDOW (window));
g_return_if_fail (handle != 0);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->set_window_handle != NULL);
window_class->set_window_handle (window, handle);
data = g_slice_new (GstSetWindowHandleCb);
data->window = gst_object_ref (window);
data->handle = handle;
/* FIXME: Move to a message which deactivates, calls implementation, activates */
gst_gl_window_send_message_async (window,
(GstGLWindowCB) _set_window_handle_cb, data,
(GDestroyNotify) _free_swh_cb);
/* window_class->set_window_handle (window, handle); */
}
/**