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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[283/906] better result in cube and doublecube example. And some clean up debug and comments
This commit is contained in:
Julien Isorce
Matthew Waters
parent
0ada2fab05
commit
98acd38039
1 changed files with 32 additions and 63 deletions
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@ -29,6 +29,11 @@
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#define GST_GL_WINDOW_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
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/* A gl window is created and deleted in a thread dedicated to opengl calls
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The name contains "window" because an opengl context is used in cooperation
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with a window */
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enum
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{
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ARG_0,
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@ -37,12 +42,14 @@ enum
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struct _GstGLWindowPrivate
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{
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/* X is not thread safe */
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GMutex *x_lock;
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GCond *cond_send_message;
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gboolean running;
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gboolean visible;
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gboolean allow_extra_expose_events;
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/* opengl context */
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gchar *display_name;
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Display *device;
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Screen *screen;
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@ -58,11 +65,14 @@ struct _GstGLWindowPrivate
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XVisualInfo *visual_info;
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Window parent;
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/* We use a specific connection to send events */
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Display *disp_send;
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/* X window */
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Window internal_win_id;
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GLXContext gl_context;
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/* frozen callbacks */
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GstGLWindowCB draw_cb;
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gpointer draw_data;
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GstGLWindowCB2 resize_cb;
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@ -89,8 +99,6 @@ gst_gl_window_finalize (GObject * object)
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g_mutex_lock (priv->x_lock);
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g_debug ("gl window finalizing\n");
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priv->parent = 0;
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XUnmapWindow (priv->device, priv->internal_win_id);
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@ -110,10 +118,7 @@ gst_gl_window_finalize (GObject * object)
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XSync (priv->device, FALSE);
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while(XPending (priv->device))
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{
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g_debug ("one more last pending x msg\n");
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XNextEvent (priv->device, &event);
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}
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XSetCloseDownMode (priv->device, DestroyAll);
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@ -129,9 +134,11 @@ gst_gl_window_finalize (GObject * object)
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//The following line is commented to avoid the disagreement explained before.
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//XCloseDisplay (priv->device);
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g_debug ("display receiver closed\n");
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XCloseDisplay (priv->disp_send);
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g_debug ("display closed\n");
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g_debug ("display sender closed\n");
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if (priv->cond_send_message)
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{
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@ -148,8 +155,6 @@ gst_gl_window_finalize (GObject * object)
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}
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G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
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g_debug ("lock deleted\n");
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}
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static void
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@ -406,10 +411,10 @@ gst_gl_window_error_quark (void)
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return g_quark_from_static_string ("gst-gl-window-error");
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}
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/* Not called by the gl thread */
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void
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gst_gl_window_set_external_window_id (GstGLWindow *window, guint64 id)
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{
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g_debug ("SET EXTERNAL WIN IN\n");
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if (window)
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{
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GstGLWindowPrivate *priv = window->priv;
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@ -429,7 +434,6 @@ gst_gl_window_set_external_window_id (GstGLWindow *window, guint64 id)
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("SET EXTERNAL WIN OUT\n");
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}
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void
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@ -438,7 +442,6 @@ gst_gl_window_set_external_gl_context (GstGLWindow *window, guint64 context)
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g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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@ -452,7 +455,6 @@ gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gp
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g_mutex_unlock (priv->x_lock);
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback , gpointer data)
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{
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@ -466,7 +468,6 @@ gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback
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g_mutex_unlock (priv->x_lock);
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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@ -480,6 +481,7 @@ gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, g
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g_mutex_unlock (priv->x_lock);
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}
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/* Called in the gl thread */
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void
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gst_gl_window_draw_unlocked (GstGLWindow *window)
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{
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@ -507,11 +509,10 @@ gst_gl_window_draw_unlocked (GstGLWindow *window)
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}
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}
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/* Thread safe */
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/* Not called by the gl thread */
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void
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gst_gl_window_draw (GstGLWindow *window)
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{
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g_debug ("DRAW IN\n");
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if (window)
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{
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GstGLWindowPrivate *priv = window->priv;
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@ -562,9 +563,9 @@ gst_gl_window_draw (GstGLWindow *window)
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("DRAW OUT\n");
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}
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/* Called in the gl thread */
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void
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gst_gl_window_run_loop (GstGLWindow *window)
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{
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@ -581,15 +582,14 @@ gst_gl_window_run_loop (GstGLWindow *window)
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g_mutex_unlock (priv->x_lock);
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g_debug("Before XNextEvent\n");
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/* XSendEvent (which are called in other threads) are done from another display structure */
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XNextEvent(priv->device, &event);
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g_debug("After XNextEvent\n");
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g_mutex_lock (priv->x_lock);
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// use in generic/cube and other related uses
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priv->allow_extra_expose_events = XPending (priv->device) <= 2;
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switch (event.type)
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{
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case ClientMessage:
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@ -606,6 +606,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
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if (wm_quit_loop == None)
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g_debug ("Cannot create WM_QUIT_LOOP\n");
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/* Message sent with gst_gl_window_send_message */
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if (wm_gl != None && event.xclient.message_type == wm_gl)
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{
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if (priv->running)
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@ -616,9 +617,6 @@ gst_gl_window_run_loop (GstGLWindow *window)
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if (!custom_cb || !custom_data)
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g_debug ("custom cb not initialized\n");
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if (glXGetCurrentContext () != priv->gl_context)
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g_warning ("current gl context has changed\n");
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custom_cb (custom_data);
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}
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@ -627,6 +625,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
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g_cond_signal (priv->cond_send_message);
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}
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/* User clicked on the cross */
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else if (wm_delete != None && (Atom) event.xclient.data.l[0] == wm_delete)
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{
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g_debug ("Close %lld\n", (guint64) priv->internal_win_id);
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@ -642,6 +641,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
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priv->close_data = NULL;
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}
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/* message sent with gst_gl_window_quit_loop */
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else if (wm_quit_loop != None && event.xclient.message_type == wm_quit_loop)
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{
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GstGLWindowCB destroy_cb = (GstGLWindowCB) event.xclient.data.l[0];
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@ -649,8 +649,10 @@ gst_gl_window_run_loop (GstGLWindow *window)
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g_debug ("Quit loop message %lld\n", (guint64) priv->internal_win_id);
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/* exit loop */
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priv->running = FALSE;
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/* make sure last pendings send message calls are executed */
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XFlush (priv->device);
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while (XCheckTypedEvent (priv->device, ClientMessage, &pending_event))
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{
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@ -667,19 +669,15 @@ gst_gl_window_run_loop (GstGLWindow *window)
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g_cond_signal (priv->cond_send_message);
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}
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/* Finally we can destroy opengl ressources (texture/shaders/fbo) */
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if (!destroy_cb || !destroy_data)
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g_debug ("destroy cb not initialized\n");
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if (glXGetCurrentContext () != priv->gl_context)
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g_warning ("current gl context has changed\n");
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g_debug ("destroy cb not correclty set\n");
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destroy_cb (destroy_data);
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}
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else
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{
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g_debug("not reconized client message\n");
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}
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g_debug("client message not reconized \n");
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break;
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}
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@ -698,8 +696,6 @@ gst_gl_window_run_loop (GstGLWindow *window)
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case Expose:
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if (priv->draw_cb)
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{
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if (glXGetCurrentContext () != priv->gl_context)
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g_warning ("current gl context has changed\n");
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priv->draw_cb (priv->draw_data);
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glFlush();
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glXSwapBuffers (priv->device, priv->internal_win_id);
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@ -731,30 +727,11 @@ gst_gl_window_run_loop (GstGLWindow *window)
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}
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default:
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g_print("unknow\n");
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g_debug ("unknow\n");
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break;
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}// switch
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// use in cube example
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if (XPending (priv->device) > 10)
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{
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XEvent extra_expose_event;
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priv->allow_extra_expose_events = FALSE;
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while (XCheckTypedWindowEvent (priv->device, priv->internal_win_id, Expose, &extra_expose_event))
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{
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if (priv->draw_cb)
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{
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if (glXGetCurrentContext () != priv->gl_context)
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g_warning ("current gl context has changed\n");
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priv->draw_cb (priv->draw_data);
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glFlush();
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glXSwapBuffers (priv->device, priv->internal_win_id);
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}
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}
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priv->allow_extra_expose_events = TRUE;
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}
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}// while running
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g_mutex_unlock (priv->x_lock);
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@ -762,7 +739,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
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g_debug ("end loop\n");
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}
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/* Thread safe */
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/* Not called by the gl thread */
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void
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gst_gl_window_quit_loop (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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@ -790,25 +767,19 @@ gst_gl_window_quit_loop (GstGLWindow *window, GstGLWindowCB callback, gpointer d
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}
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("QUIT LOOP OUT\n");
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}
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/* Thread safe */
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/* Not called by the gl thread */
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void
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gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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g_debug ("CUSTOM IN\n");
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if (window)
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->x_lock);
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g_debug ("AA CUSTOM IN: %lld\n", (guint64)priv->internal_win_id);
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if (priv->running)
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{
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XEvent event;
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@ -825,12 +796,10 @@ gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointe
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XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, NoEventMask, &event);
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XSync (priv->disp_send, FALSE);
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/* block until opengl calls have been executed in the gl thread */
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g_cond_wait (priv->cond_send_message, priv->x_lock);
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}
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("CUSTOM OUT\n");
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}
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