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866 lines
24 KiB
C
866 lines
24 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstglwindow.h"
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#include <locale.h>
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#include <GL/glx.h>
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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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ARG_DISPLAY
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};
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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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gint screen_num;
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Visual *visual;
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Window root;
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gulong white;
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gulong black;
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gint depth;
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gint device_width;
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gint device_height;
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gint connection;
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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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gpointer resize_data;
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GstGLWindowCB close_cb;
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gpointer close_data;
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};
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G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "GstGLWindow"
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gboolean _gst_gl_window_debug = FALSE;
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/* Must be called in the gl thread */
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static void
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gst_gl_window_finalize (GObject * object)
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{
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GstGLWindow *window = GST_GL_WINDOW (object);
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GstGLWindowPrivate *priv = window->priv;
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XEvent event;
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Bool ret = TRUE;
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g_mutex_lock (priv->x_lock);
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priv->parent = 0;
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XUnmapWindow (priv->device, priv->internal_win_id);
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ret = glXMakeCurrent (priv->device, None, NULL);
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if (!ret)
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g_debug ("failed to release opengl context\n");
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glXDestroyContext (priv->device, priv->gl_context);
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XFree (priv->visual_info);
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XReparentWindow (priv->device, priv->internal_win_id, priv->root, 0, 0);
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XDestroyWindow (priv->device, priv->internal_win_id);
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XSync (priv->device, FALSE);
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while (XPending (priv->device))
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XNextEvent (priv->device, &event);
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XSetCloseDownMode (priv->device, DestroyAll);
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/*XAddToSaveSet (display, w)
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Display *display;
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Window w; */
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//FIXME: it seems it causes destroy all created windows, even by other display connection:
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//This is case in: gst-launch-0.10 videotestsrc ! tee name=t t. ! queue ! glimagesink t. ! queue ! glimagesink
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//When the first window is closed and so its display is closed by the following line, then the other Window managed by the
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//other glimagesink, is not useable and so each opengl call causes a segmentation fault.
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//Maybe the solution is to use: XAddToSaveSet
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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 sender closed\n");
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if (priv->cond_send_message) {
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g_cond_free (priv->cond_send_message);
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priv->cond_send_message = NULL;
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}
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g_mutex_unlock (priv->x_lock);
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if (priv->x_lock) {
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g_mutex_free (priv->x_lock);
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priv->x_lock = NULL;
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}
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G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
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}
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static void
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gst_gl_window_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstGLWindow *window;
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GstGLWindowPrivate *priv;
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g_return_if_fail (GST_GL_IS_WINDOW (object));
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window = GST_GL_WINDOW (object);
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priv = window->priv;
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switch (prop_id) {
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case ARG_DISPLAY:
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priv->display_name = g_strdup (g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstGLWindow *window;
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GstGLWindowPrivate *priv;
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g_return_if_fail (GST_GL_IS_WINDOW (object));
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window = GST_GL_WINDOW (object);
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priv = window->priv;
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switch (prop_id) {
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case ARG_DISPLAY:
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g_value_set_string (value, priv->display_name);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_log_handler (const gchar * domain, GLogLevelFlags flags,
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const gchar * message, gpointer user_data)
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{
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if (_gst_gl_window_debug) {
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g_log_default_handler (domain, flags, message, user_data);
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}
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}
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static void
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gst_gl_window_class_init (GstGLWindowClass * klass)
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{
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GObjectClass *obj_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
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obj_class->finalize = gst_gl_window_finalize;
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obj_class->set_property = gst_gl_window_set_property;
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obj_class->get_property = gst_gl_window_get_property;
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g_object_class_install_property (obj_class, ARG_DISPLAY,
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g_param_spec_string ("display", "Display", "X Display name", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_gl_window_init (GstGLWindow * window)
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{
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window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
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if (g_getenv ("GST_GL_WINDOW_DEBUG") != NULL)
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_gst_gl_window_debug = TRUE;
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g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
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gst_gl_window_log_handler, NULL);
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}
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/* Must be called in the gl thread */
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GstGLWindow *
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gst_gl_window_new (gint width, gint height)
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{
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GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
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GstGLWindowPrivate *priv = window->priv;
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gint attrib[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER,
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None
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};
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Bool ret = FALSE;
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gint error_base;
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gint event_base;
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XSetWindowAttributes win_attr;
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XTextProperty text_property;
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XWMHints wm_hints;
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unsigned long mask;
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const gchar *title = "OpenGL renderer";
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Atom wm_atoms[3];
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static gint x = 0;
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static gint y = 0;
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setlocale (LC_NUMERIC, "C");
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priv->x_lock = g_mutex_new ();
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priv->cond_send_message = g_cond_new ();
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priv->running = TRUE;
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priv->visible = FALSE;
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priv->parent = 0;
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priv->allow_extra_expose_events = TRUE;
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g_mutex_lock (priv->x_lock);
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priv->device = XOpenDisplay (priv->display_name);
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XSynchronize (priv->device, FALSE);
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g_debug ("gl device id: %ld\n", (gulong) priv->device);
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priv->disp_send = XOpenDisplay (priv->display_name);
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XSynchronize (priv->disp_send, FALSE);
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g_debug ("gl display sender: %ld\n", (gulong) priv->disp_send);
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priv->screen = DefaultScreenOfDisplay (priv->device);
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priv->screen_num = DefaultScreen (priv->device);
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priv->visual = DefaultVisual (priv->device, priv->screen_num);
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priv->root = DefaultRootWindow (priv->device);
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priv->white = XWhitePixel (priv->device, priv->screen_num);
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priv->black = XBlackPixel (priv->device, priv->screen_num);
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priv->depth = DefaultDepthOfScreen (priv->screen);
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g_debug ("gl root id: %" G_GUINT64_FORMAT "\n", (guint64) priv->root);
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priv->device_width = DisplayWidth (priv->device, priv->screen_num);
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priv->device_height = DisplayHeight (priv->device, priv->screen_num);
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priv->connection = ConnectionNumber (priv->device);
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ret = glXQueryExtension (priv->device, &error_base, &event_base);
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if (!ret)
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g_debug ("No GLX extension");
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priv->visual_info = glXChooseVisual (priv->device, priv->screen_num, attrib);
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if (!priv->visual_info) {
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g_warning ("glx visual is null (bad attributes)\n");
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return NULL;
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}
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if (priv->visual_info->visual != priv->visual)
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g_debug ("selected visual is different from the default\n");
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if (priv->visual_info->class == TrueColor)
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g_debug ("visual is using TrueColor\n");
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g_debug ("visual ID: %d\n",
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(gint) XVisualIDFromVisual (priv->visual_info->visual));
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g_debug ("visual info screen: %d\n", priv->visual_info->screen);
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g_debug ("visual info visualid: %d\n", (gint) priv->visual_info->visualid);
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g_debug ("visual info depth: %d\n", priv->visual_info->depth);
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g_debug ("visual info class: %d\n", priv->visual_info->class);
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g_debug ("visual info red_mask: %ld\n", priv->visual_info->red_mask);
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g_debug ("visual info green_mask: %ld\n", priv->visual_info->green_mask);
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g_debug ("visual info blue_mask: %ld\n", priv->visual_info->blue_mask);
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g_debug ("visual info bits_per_rgb: %d\n", priv->visual_info->bits_per_rgb);
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win_attr.event_mask =
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StructureNotifyMask | ExposureMask | VisibilityChangeMask;
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win_attr.do_not_propagate_mask = NoEventMask;
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win_attr.background_pixmap = None;
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win_attr.background_pixel = 0;
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win_attr.border_pixel = 0;
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win_attr.colormap =
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XCreateColormap (priv->device, priv->root, priv->visual_info->visual,
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AllocNone);
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mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
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priv->internal_win_id = XCreateWindow (priv->device, priv->root, x, y,
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width, height, 0, priv->visual_info->depth, InputOutput,
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priv->visual_info->visual, mask, &win_attr);
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x += 20;
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y += 20;
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XSync (priv->device, FALSE);
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XSetWindowBackgroundPixmap (priv->device, priv->internal_win_id, None);
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g_debug ("gl window id: %" G_GUINT64_FORMAT "\n",
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(guint64) priv->internal_win_id);
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g_debug ("gl window props: x:%d y:%d w:%d h:%d\n", x, y, width, height);
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wm_atoms[0] = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
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if (wm_atoms[0] == None)
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g_debug ("Cannot create WM_DELETE_WINDOW\n");
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wm_atoms[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
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if (wm_atoms[1] == None)
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g_debug ("Cannot create WM_GL_WINDOW\n");
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wm_atoms[2] = XInternAtom (priv->device, "WM_QUIT_LOOP", False);
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if (wm_atoms[2] == None)
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g_debug ("Cannot create WM_QUIT_LOOP\n");
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XSetWMProtocols (priv->device, priv->internal_win_id, wm_atoms, 2);
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priv->gl_context =
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glXCreateContext (priv->device, priv->visual_info, NULL, TRUE);
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g_debug ("gl context id: %ld\n", (gulong) priv->gl_context);
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if (!glXIsDirect (priv->device, priv->gl_context))
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g_debug ("direct rendering failed\n");
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wm_hints.flags = StateHint;
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wm_hints.initial_state = NormalState;
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wm_hints.input = False;
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XStringListToTextProperty ((char **) &title, 1, &text_property);
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XSetWMProperties (priv->device, priv->internal_win_id, &text_property,
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&text_property, 0, 0, NULL, &wm_hints, NULL);
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XFree (text_property.value);
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ret = glXMakeCurrent (priv->device, priv->internal_win_id, priv->gl_context);
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if (!ret)
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g_debug ("failed to make opengl context current\n");
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if (glXIsDirect (priv->device, priv->gl_context))
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g_debug ("Direct Rendering: yes\n");
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else
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g_debug ("Direct Rendering: no\n");
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g_mutex_unlock (priv->x_lock);
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return window;
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}
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GQuark
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gst_gl_window_error_quark (void)
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{
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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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if (window) {
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GstGLWindowPrivate *priv = window->priv;
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XWindowAttributes attr;
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g_mutex_lock (priv->x_lock);
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priv->parent = (Window) id;
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g_debug ("set parent window id: %" G_GUINT64_FORMAT "\n", id);
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XGetWindowAttributes (priv->disp_send, priv->parent, &attr);
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XResizeWindow (priv->disp_send, priv->internal_win_id, attr.width,
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attr.height);
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XReparentWindow (priv->disp_send, priv->internal_win_id, priv->parent,
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attr.x, attr.y);
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XSync (priv->disp_send, FALSE);
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g_mutex_unlock (priv->x_lock);
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}
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}
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void
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gst_gl_window_set_external_gl_context (GstGLWindow * window, guint64 context)
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{
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g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
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}
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void
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gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
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gpointer data)
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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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priv->draw_cb = callback;
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priv->draw_data = data;
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g_mutex_unlock (priv->x_lock);
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}
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void
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gst_gl_window_set_resize_callback (GstGLWindow * window,
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GstGLWindowCB2 callback, gpointer data)
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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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priv->resize_cb = callback;
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priv->resize_data = data;
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g_mutex_unlock (priv->x_lock);
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}
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void
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gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
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gpointer data)
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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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priv->close_cb = callback;
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priv->close_data = data;
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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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GstGLWindowPrivate *priv = window->priv;
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if (priv->running && priv->allow_extra_expose_events) {
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XEvent event;
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XWindowAttributes attr;
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XGetWindowAttributes (priv->device, priv->internal_win_id, &attr);
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event.xexpose.type = Expose;
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event.xexpose.send_event = TRUE;
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event.xexpose.display = priv->device;
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event.xexpose.window = priv->internal_win_id;
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event.xexpose.x = attr.x;
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event.xexpose.y = attr.y;
|
|
event.xexpose.width = attr.width;
|
|
event.xexpose.height = attr.height;
|
|
event.xexpose.count = 0;
|
|
|
|
XSendEvent (priv->device, priv->internal_win_id, FALSE, ExposureMask,
|
|
&event);
|
|
XSync (priv->disp_send, FALSE);
|
|
}
|
|
}
|
|
|
|
/* Not called by the gl thread */
|
|
void
|
|
gst_gl_window_draw (GstGLWindow * window)
|
|
{
|
|
if (window) {
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
g_mutex_lock (priv->x_lock);
|
|
|
|
if (priv->running) {
|
|
XEvent event;
|
|
XWindowAttributes attr;
|
|
|
|
if (!priv->visible) {
|
|
XMapWindow (priv->disp_send, priv->internal_win_id);
|
|
priv->visible = TRUE;
|
|
}
|
|
|
|
XGetWindowAttributes (priv->disp_send, priv->internal_win_id, &attr);
|
|
|
|
if (priv->parent) {
|
|
XWindowAttributes attr_parent;
|
|
XGetWindowAttributes (priv->disp_send, priv->parent, &attr_parent);
|
|
|
|
if (attr.x != attr_parent.x || attr.y != attr_parent.y ||
|
|
attr.width != attr_parent.width
|
|
|| attr.height != attr_parent.height) {
|
|
XMoveResizeWindow (priv->disp_send, priv->internal_win_id,
|
|
attr_parent.x, attr_parent.y, attr_parent.width,
|
|
attr_parent.height);
|
|
XSync (priv->disp_send, FALSE);
|
|
|
|
attr.x = attr_parent.x;
|
|
attr.y = attr_parent.y;
|
|
|
|
attr.width = attr_parent.width;
|
|
attr.height = attr_parent.height;
|
|
|
|
g_debug ("parent resize: %d, %d, %d, %d\n", attr_parent.x,
|
|
attr_parent.y, attr_parent.width, attr_parent.height);
|
|
}
|
|
}
|
|
|
|
event.xexpose.type = Expose;
|
|
event.xexpose.send_event = TRUE;
|
|
event.xexpose.display = priv->disp_send;
|
|
event.xexpose.window = priv->internal_win_id;
|
|
event.xexpose.x = attr.x;
|
|
event.xexpose.y = attr.y;
|
|
event.xexpose.width = attr.width;
|
|
event.xexpose.height = attr.height;
|
|
event.xexpose.count = 0;
|
|
|
|
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, ExposureMask,
|
|
&event);
|
|
XSync (priv->disp_send, FALSE);
|
|
}
|
|
|
|
g_mutex_unlock (priv->x_lock);
|
|
}
|
|
}
|
|
|
|
/* Called in the gl thread */
|
|
void
|
|
gst_gl_window_run_loop (GstGLWindow * window)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
g_debug ("begin loop\n");
|
|
|
|
g_mutex_lock (priv->x_lock);
|
|
|
|
while (priv->running) {
|
|
XEvent event;
|
|
XEvent pending_event;
|
|
|
|
g_mutex_unlock (priv->x_lock);
|
|
|
|
/* XSendEvent (which are called in other threads) are done from another display structure */
|
|
XNextEvent (priv->device, &event);
|
|
|
|
g_mutex_lock (priv->x_lock);
|
|
|
|
// use in generic/cube and other related uses
|
|
priv->allow_extra_expose_events = XPending (priv->device) <= 2;
|
|
|
|
switch (event.type) {
|
|
case ClientMessage:
|
|
{
|
|
|
|
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");
|
|
|
|
/* Message sent with gst_gl_window_send_message */
|
|
if (wm_gl != None && event.xclient.message_type == wm_gl) {
|
|
if (priv->running) {
|
|
#if SIZEOF_VOID_P == 8
|
|
GstGLWindowCB custom_cb =
|
|
(GstGLWindowCB) (((event.xclient.
|
|
data.l[0] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[1] & 0xffffffff));
|
|
gpointer custom_data =
|
|
(gpointer) (((event.xclient.
|
|
data.l[2] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[3] & 0xffffffff));
|
|
#else
|
|
GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
|
|
gpointer custom_data = (gpointer) event.xclient.data.l[1];
|
|
#endif
|
|
|
|
if (!custom_cb || !custom_data)
|
|
g_debug ("custom cb not initialized\n");
|
|
|
|
custom_cb (custom_data);
|
|
}
|
|
|
|
g_cond_signal (priv->cond_send_message);
|
|
}
|
|
|
|
/* User clicked on the cross */
|
|
else if (wm_delete != None
|
|
&& (Atom) event.xclient.data.l[0] == wm_delete) {
|
|
g_debug ("Close %" G_GUINT64_FORMAT "\n",
|
|
(guint64) priv->internal_win_id);
|
|
|
|
if (priv->close_cb)
|
|
priv->close_cb (priv->close_data);
|
|
|
|
priv->draw_cb = NULL;
|
|
priv->draw_data = NULL;
|
|
priv->resize_cb = NULL;
|
|
priv->resize_data = NULL;
|
|
priv->close_cb = NULL;
|
|
priv->close_data = NULL;
|
|
}
|
|
|
|
/* message sent with gst_gl_window_quit_loop */
|
|
else if (wm_quit_loop != None
|
|
&& event.xclient.message_type == wm_quit_loop) {
|
|
#if SIZEOF_VOID_P == 8
|
|
GstGLWindowCB destroy_cb =
|
|
(GstGLWindowCB) (((event.xclient.
|
|
data.l[0] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[1] & 0xffffffff));
|
|
gpointer destroy_data =
|
|
(gpointer) (((event.xclient.
|
|
data.l[2] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[3] & 0xffffffff));
|
|
#else
|
|
GstGLWindowCB destroy_cb = (GstGLWindowCB) event.xclient.data.l[0];
|
|
gpointer destroy_data = (gpointer) event.xclient.data.l[1];
|
|
#endif
|
|
|
|
g_debug ("Quit loop message %" G_GUINT64_FORMAT "\n",
|
|
(guint64) priv->internal_win_id);
|
|
|
|
/* exit loop */
|
|
priv->running = FALSE;
|
|
|
|
/* make sure last pendings send message calls are executed */
|
|
XFlush (priv->device);
|
|
while (XCheckTypedEvent (priv->device, ClientMessage, &pending_event)) {
|
|
#if SIZEOF_VOID_P == 8
|
|
GstGLWindowCB custom_cb =
|
|
(GstGLWindowCB) (((event.xclient.
|
|
data.l[0] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[1] & 0xffffffff));
|
|
gpointer custom_data =
|
|
(gpointer) (((event.xclient.
|
|
data.l[2] & 0xffffffff) << 32) | (event.xclient.
|
|
data.l[3] & 0xffffffff));
|
|
#else
|
|
GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
|
|
gpointer custom_data = (gpointer) event.xclient.data.l[1];
|
|
#endif
|
|
g_debug ("execute last pending custom x events\n");
|
|
|
|
if (!custom_cb || !custom_data)
|
|
g_debug ("custom cb not initialized\n");
|
|
|
|
custom_cb (custom_data);
|
|
|
|
g_cond_signal (priv->cond_send_message);
|
|
}
|
|
|
|
/* Finally we can destroy opengl ressources (texture/shaders/fbo) */
|
|
if (!destroy_cb || !destroy_data)
|
|
g_debug ("destroy cb not correclty set\n");
|
|
|
|
destroy_cb (destroy_data);
|
|
|
|
} else
|
|
g_debug ("client message not reconized \n");
|
|
break;
|
|
}
|
|
|
|
case CreateNotify:
|
|
case ConfigureNotify:
|
|
{
|
|
if (priv->resize_cb)
|
|
priv->resize_cb (priv->resize_data, event.xconfigure.width,
|
|
event.xconfigure.height);
|
|
break;
|
|
}
|
|
|
|
case DestroyNotify:
|
|
g_debug ("DestroyNotify\n");
|
|
break;
|
|
|
|
case Expose:
|
|
if (priv->draw_cb) {
|
|
priv->draw_cb (priv->draw_data);
|
|
glFlush ();
|
|
glXSwapBuffers (priv->device, priv->internal_win_id);
|
|
}
|
|
break;
|
|
|
|
case VisibilityNotify:
|
|
{
|
|
switch (event.xvisibility.state) {
|
|
case VisibilityUnobscured:
|
|
if (priv->draw_cb)
|
|
priv->draw_cb (priv->draw_data);
|
|
break;
|
|
|
|
case VisibilityPartiallyObscured:
|
|
if (priv->draw_cb)
|
|
priv->draw_cb (priv->draw_data);
|
|
break;
|
|
|
|
case VisibilityFullyObscured:
|
|
break;
|
|
|
|
default:
|
|
g_debug ("unknown xvisibility event: %d\n",
|
|
event.xvisibility.state);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
g_debug ("unknow\n");
|
|
break;
|
|
|
|
} // switch
|
|
|
|
} // while running
|
|
|
|
g_mutex_unlock (priv->x_lock);
|
|
|
|
g_debug ("end loop\n");
|
|
}
|
|
|
|
/* Not called by the gl thread */
|
|
void
|
|
gst_gl_window_quit_loop (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
if (window) {
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
g_mutex_lock (priv->x_lock);
|
|
|
|
if (priv->running) {
|
|
XEvent event;
|
|
|
|
event.xclient.type = ClientMessage;
|
|
event.xclient.send_event = TRUE;
|
|
event.xclient.display = priv->disp_send;
|
|
event.xclient.window = priv->internal_win_id;
|
|
event.xclient.message_type =
|
|
XInternAtom (priv->disp_send, "WM_QUIT_LOOP", True);;
|
|
event.xclient.format = 32;
|
|
#if SIZEOF_VOID_P == 8
|
|
event.xclient.data.l[0] = (((long) callback) >> 32) & 0xffffffff;
|
|
event.xclient.data.l[1] = (((long) callback)) & 0xffffffff;
|
|
event.xclient.data.l[2] = (((long) data) >> 32) & 0xffffffff;
|
|
event.xclient.data.l[3] = (((long) data)) & 0xffffffff;
|
|
#else
|
|
event.xclient.data.l[0] = (long) callback;
|
|
event.xclient.data.l[1] = (long) data;
|
|
#endif
|
|
|
|
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, NoEventMask,
|
|
&event);
|
|
XSync (priv->disp_send, FALSE);
|
|
}
|
|
|
|
g_mutex_unlock (priv->x_lock);
|
|
}
|
|
}
|
|
|
|
/* Not called by the gl thread */
|
|
void
|
|
gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
if (window) {
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
g_mutex_lock (priv->x_lock);
|
|
|
|
if (priv->running) {
|
|
XEvent event;
|
|
|
|
event.xclient.type = ClientMessage;
|
|
event.xclient.send_event = TRUE;
|
|
event.xclient.display = priv->disp_send;
|
|
event.xclient.window = priv->internal_win_id;
|
|
event.xclient.message_type =
|
|
XInternAtom (priv->disp_send, "WM_GL_WINDOW", True);
|
|
event.xclient.format = 32;
|
|
#if SIZEOF_VOID_P == 8
|
|
event.xclient.data.l[0] = (((long) callback) >> 32) & 0xffffffff;
|
|
event.xclient.data.l[1] = (((long) callback)) & 0xffffffff;
|
|
event.xclient.data.l[2] = (((long) data) >> 32) & 0xffffffff;
|
|
event.xclient.data.l[3] = (((long) data)) & 0xffffffff;
|
|
#else
|
|
event.xclient.data.l[0] = (long) callback;
|
|
event.xclient.data.l[1] = (long) data;
|
|
#endif
|
|
|
|
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, NoEventMask,
|
|
&event);
|
|
XSync (priv->disp_send, FALSE);
|
|
|
|
/* block until opengl calls have been executed in the gl thread */
|
|
g_cond_wait (priv->cond_send_message, priv->x_lock);
|
|
}
|
|
|
|
g_mutex_unlock (priv->x_lock);
|
|
}
|
|
}
|