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[275/906] Make sure the gl ressoures are destroyed before to destroy gl window

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Julien Isorce 2008-11-21 01:31:19 +01:00 committed by Matthew Waters
parent f2c3f8baa3
commit 3dd5eb98e6
3 changed files with 54 additions and 24 deletions
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42
gst-libs/gst/gl/gstgldisplay.c
View file

@ -112,6 +112,7 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
//conditions
display->cond_create_context = g_cond_new ();
display->cond_destroy_context = g_cond_new ();
//action redisplay
display->redisplay_texture = 0;
@ -338,12 +339,29 @@ gst_gl_display_finalize (GObject* object)
{
GstGLDisplay* display = GST_GL_DISPLAY (object);
//leave gl window loop
gst_gl_display_lock (display);
GST_INFO ("send quit gl window loop");
gst_gl_window_quit_loop (display->gl_window);
GST_INFO ("quit sent to gl window loop");
gst_gl_display_unlock (display);
if (display->mutex && display->gl_window)
{
gst_gl_display_lock (display);
GST_INFO ("send message thread destroy context");
gst_gl_window_send_message (display->gl_window, GST_GL_WINDOW_CB (gst_gl_display_thread_destroy_context), display);
gst_gl_window_set_resize_callback (display->gl_window, NULL, NULL);
gst_gl_window_set_draw_callback (display->gl_window, NULL, NULL);
gst_gl_window_set_close_callback (display->gl_window, NULL, NULL);
//leave gl window loop
GST_INFO ("send quit gl window loop");
gst_gl_window_quit_loop (display->gl_window);
GST_INFO ("quit sent to gl window loop");
g_cond_wait (display->cond_destroy_context, display->mutex);
GST_INFO ("quit received from gl window");
gst_gl_display_unlock (display);
}
if (display->gl_thread)
{
@ -363,6 +381,10 @@ gst_gl_display_finalize (GObject* object)
g_mutex_free (display->mutex);
display->mutex = NULL;
}
if (display->cond_destroy_context) {
g_cond_free (display->cond_destroy_context);
display->cond_destroy_context = NULL;
}
if (display->cond_create_context) {
g_cond_free (display->cond_create_context);
display->cond_create_context = NULL;
@ -453,12 +475,12 @@ gst_gl_display_thread_create_context (GstGLDisplay *display)
display->isAlive = FALSE;
gst_gl_display_thread_destroy_context (display);
g_object_unref (G_OBJECT (display->gl_window));
display->gl_window = NULL;
g_cond_signal (display->cond_destroy_context);
gst_gl_display_unlock (display);
return NULL;
@ -579,10 +601,6 @@ gst_gl_display_thread_destroy_context (GstGLDisplay *display)
g_hash_table_foreach_remove (display->texture_pool, gst_gl_display_texture_pool_func_clean,
NULL);
gst_gl_window_set_resize_callback (display->gl_window, NULL, NULL);
gst_gl_window_set_draw_callback (display->gl_window, NULL, NULL);
gst_gl_window_set_close_callback (display->gl_window, NULL, NULL);
GST_INFO ("Context destroyed");
}

1
gst-libs/gst/gl/gstgldisplay.h
View file

@ -86,6 +86,7 @@ struct _GstGLDisplay {
//conditions
GCond* cond_create_context;
GCond* cond_destroy_context;
//generic gl code
GstGLDisplayThreadFunc generic_callback;

35
gst-libs/gst/gl/gstglwindow_x11.c
View file

@ -248,7 +248,7 @@ gst_gl_window_new (gint width, gint height)
XWMHints wm_hints;
unsigned long mask;
const gchar *title = "OpenGL renderer";
Atom wm_delete_and_gl[2];
Atom wm_atoms[3];
static gint x = 0;
static gint y = 0;
@ -326,15 +326,19 @@ gst_gl_window_new (gint width, gint height)
g_debug ("gl window id: %lld\n", (guint64) priv->internal_win_id);
wm_delete_and_gl[0] = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
if (wm_delete_and_gl[0] == None)
wm_atoms[0] = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
if (wm_atoms[0] == None)
g_debug ("Cannot create WM_DELETE_WINDOW\n");
wm_delete_and_gl[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
if (wm_delete_and_gl[1] == None)
wm_atoms[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
if (wm_atoms[1] == None)
g_debug ("Cannot create WM_GL_WINDOW\n");
XSetWMProtocols (priv->device, priv->internal_win_id, wm_delete_and_gl, 2);
wm_atoms[2] = XInternAtom (priv->device, "WM_QUIT_LOOP", False);
if (wm_atoms[2] == None)
g_debug ("Cannot create WM_QUIT_LOOP\n");
XSetWMProtocols (priv->device, priv->internal_win_id, wm_atoms, 2);
priv->gl_context = glXCreateContext (priv->device, priv->visual_info, NULL, TRUE);
@ -542,11 +546,14 @@ gst_gl_window_run_loop (GstGLWindow *window)
Atom wm_delete = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
Atom wm_gl = XInternAtom (priv->device, "WM_GL_WINDOW", True);
Atom wm_quit_loop = XInternAtom (priv->device, "WM_QUIT_LOOP", True);
if (wm_delete == None)
g_debug ("Cannot create WM_DELETE_WINDOW\n");
if (wm_gl == None)
g_debug ("Cannot create WM_GL_WINDOW\n");
if (wm_quit_loop == None)
g_debug ("Cannot create WM_QUIT_LOOP\n");
if (wm_gl != None && event.xclient.message_type == wm_gl)
{
@ -568,12 +575,8 @@ gst_gl_window_run_loop (GstGLWindow *window)
else if (wm_delete != None && (Atom) event.xclient.data.l[0] == wm_delete)
{
XEvent event;
g_debug ("Close %lld\n", (guint64) priv->internal_win_id);
priv->running = FALSE;
if (priv->close_cb)
priv->close_cb (priv->close_data);
@ -583,6 +586,15 @@ gst_gl_window_run_loop (GstGLWindow *window)
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
}
else if (wm_quit_loop != None && event.xclient.message_type == wm_quit_loop)
{
XEvent event;
g_debug ("Quit loop message %lld\n", (guint64) priv->internal_win_id);
priv->running = FALSE;
XFlush (priv->device);
while (XCheckTypedEvent (priv->device, ClientMessage, &event))
@ -687,9 +699,8 @@ gst_gl_window_quit_loop (GstGLWindow *window)
event.xclient.send_event = TRUE;
event.xclient.display = disp;
event.xclient.window = priv->internal_win_id;
event.xclient.message_type = 0;
event.xclient.message_type = XInternAtom (disp, "WM_QUIT_LOOP", True);;
event.xclient.format = 32;
event.xclient.data.l[0] = XInternAtom (disp, "WM_DELETE_WINDOW", True);
XSendEvent (disp, priv->internal_win_id, FALSE, NoEventMask, &event);
XSync (disp, FALSE);