mirror of
https://github.com/brl/mutter.git
synced 2024-11-27 10:30:47 -05:00
268 lines
8.5 KiB
C
268 lines
8.5 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Authored By Neil Roberts <neil@linux.intel.com>
|
|
*
|
|
* Copyright (C) 2008 OpenedHand
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#define CLUTTER_DISABLE_DEPRECATION_WARNINGS
|
|
|
|
#include "clutter-main.h"
|
|
#include "clutter-private.h"
|
|
|
|
#include "deprecated/clutter-frame-source.h"
|
|
#include "deprecated/clutter-timeout-interval.h"
|
|
|
|
typedef struct _ClutterFrameSource ClutterFrameSource;
|
|
|
|
struct _ClutterFrameSource
|
|
{
|
|
GSource source;
|
|
|
|
ClutterTimeoutInterval timeout;
|
|
};
|
|
|
|
static gboolean clutter_frame_source_prepare (GSource *source,
|
|
gint *timeout);
|
|
static gboolean clutter_frame_source_check (GSource *source);
|
|
static gboolean clutter_frame_source_dispatch (GSource *source,
|
|
GSourceFunc callback,
|
|
gpointer user_data);
|
|
|
|
static GSourceFuncs clutter_frame_source_funcs =
|
|
{
|
|
clutter_frame_source_prepare,
|
|
clutter_frame_source_check,
|
|
clutter_frame_source_dispatch,
|
|
NULL
|
|
};
|
|
|
|
/**
|
|
* clutter_frame_source_add_full:
|
|
* @priority: the priority of the frame source. Typically this will be in the
|
|
* range between %G_PRIORITY_DEFAULT and %G_PRIORITY_HIGH.
|
|
* @fps: the number of times per second to call the function
|
|
* @func: function to call
|
|
* @data: data to pass to the function
|
|
* @notify: function to call when the timeout source is removed
|
|
*
|
|
* Sets a function to be called at regular intervals with the given
|
|
* priority. The function is called repeatedly until it returns
|
|
* %FALSE, at which point the timeout is automatically destroyed and
|
|
* the function will not be called again. The @notify function is
|
|
* called when the timeout is destroyed. The first call to the
|
|
* function will be at the end of the first @interval.
|
|
*
|
|
* This function is similar to g_timeout_add_full() except that it
|
|
* will try to compensate for delays. For example, if @func takes half
|
|
* the interval time to execute then the function will be called again
|
|
* half the interval time after it finished. In contrast
|
|
* g_timeout_add_full() would not fire until a full interval after the
|
|
* function completes so the delay between calls would be 1.0 / @fps *
|
|
* 1.5. This function does not however try to invoke the function
|
|
* multiple times to catch up missing frames if @func takes more than
|
|
* @interval ms to execute.
|
|
*
|
|
* Rename to: clutter_frame_source_add
|
|
*
|
|
* Return value: the ID (greater than 0) of the event source.
|
|
*
|
|
*
|
|
*
|
|
* Deprecated: 1.6
|
|
*/
|
|
guint
|
|
clutter_frame_source_add_full (gint priority,
|
|
guint fps,
|
|
GSourceFunc func,
|
|
gpointer data,
|
|
GDestroyNotify notify)
|
|
{
|
|
guint ret;
|
|
GSource *source = g_source_new (&clutter_frame_source_funcs,
|
|
sizeof (ClutterFrameSource));
|
|
ClutterFrameSource *frame_source = (ClutterFrameSource *) source;
|
|
|
|
_clutter_timeout_interval_init (&frame_source->timeout, fps);
|
|
|
|
if (priority != G_PRIORITY_DEFAULT)
|
|
g_source_set_priority (source, priority);
|
|
|
|
g_source_set_name (source, "Clutter frame timeout");
|
|
g_source_set_callback (source, func, data, notify);
|
|
|
|
ret = g_source_attach (source, NULL);
|
|
|
|
g_source_unref (source);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* clutter_frame_source_add: (skip)
|
|
* @fps: the number of times per second to call the function
|
|
* @func: function to call
|
|
* @data: data to pass to the function
|
|
*
|
|
* Simple wrapper around clutter_frame_source_add_full().
|
|
*
|
|
* Return value: the ID (greater than 0) of the event source.
|
|
*
|
|
*
|
|
*
|
|
* Deprecated: 1.6
|
|
*/
|
|
guint
|
|
clutter_frame_source_add (guint fps,
|
|
GSourceFunc func,
|
|
gpointer data)
|
|
{
|
|
return clutter_frame_source_add_full (G_PRIORITY_DEFAULT,
|
|
fps, func, data, NULL);
|
|
}
|
|
|
|
static gboolean
|
|
clutter_frame_source_prepare (GSource *source,
|
|
gint *delay)
|
|
{
|
|
ClutterFrameSource *frame_source = (ClutterFrameSource *) source;
|
|
gint64 current_time;
|
|
|
|
#if GLIB_CHECK_VERSION (2, 27, 3)
|
|
current_time = g_source_get_time (source) / 1000;
|
|
#else
|
|
{
|
|
GTimeVal source_time;
|
|
g_source_get_current_time (source, &source_time);
|
|
current_time = source_time.tv_sec * 1000 + source_time.tv_usec / 1000;
|
|
}
|
|
#endif
|
|
|
|
return _clutter_timeout_interval_prepare (current_time,
|
|
&frame_source->timeout,
|
|
delay);
|
|
}
|
|
|
|
static gboolean
|
|
clutter_frame_source_check (GSource *source)
|
|
{
|
|
return clutter_frame_source_prepare (source, NULL);
|
|
}
|
|
|
|
static gboolean
|
|
clutter_frame_source_dispatch (GSource *source,
|
|
GSourceFunc callback,
|
|
gpointer user_data)
|
|
{
|
|
ClutterFrameSource *frame_source = (ClutterFrameSource *) source;
|
|
|
|
return _clutter_timeout_interval_dispatch (&frame_source->timeout,
|
|
callback, user_data);
|
|
}
|
|
|
|
/**
|
|
* clutter_threads_add_frame_source_full:
|
|
* @priority: the priority of the frame source. Typically this will be in the
|
|
* range between %G_PRIORITY_DEFAULT and %G_PRIORITY_HIGH.
|
|
* @fps: the number of times per second to call the function
|
|
* @func: function to call
|
|
* @data: data to pass to the function
|
|
* @notify: function to call when the timeout source is removed
|
|
*
|
|
* Sets a function to be called at regular intervals holding the Clutter
|
|
* threads lock, with the given priority. The function is called repeatedly
|
|
* until it returns %FALSE, at which point the timeout is automatically
|
|
* removed and the function will not be called again. The @notify function
|
|
* is called when the timeout is removed.
|
|
*
|
|
* This function is similar to clutter_threads_add_timeout_full()
|
|
* except that it will try to compensate for delays. For example, if
|
|
* @func takes half the interval time to execute then the function
|
|
* will be called again half the interval time after it finished. In
|
|
* contrast clutter_threads_add_timeout_full() would not fire until a
|
|
* full interval after the function completes so the delay between
|
|
* calls would be @interval * 1.5. This function does not however try
|
|
* to invoke the function multiple times to catch up missing frames if
|
|
* @func takes more than @interval ms to execute.
|
|
*
|
|
* See also clutter_threads_add_idle_full().
|
|
*
|
|
* Rename to: clutter_threads_add_frame_source
|
|
*
|
|
* Return value: the ID (greater than 0) of the event source.
|
|
*
|
|
*
|
|
*
|
|
* Deprecated: 1.6
|
|
*/
|
|
guint
|
|
clutter_threads_add_frame_source_full (gint priority,
|
|
guint fps,
|
|
GSourceFunc func,
|
|
gpointer data,
|
|
GDestroyNotify notify)
|
|
{
|
|
ClutterThreadsDispatch *dispatch;
|
|
|
|
g_return_val_if_fail (func != NULL, 0);
|
|
|
|
dispatch = g_slice_new (ClutterThreadsDispatch);
|
|
dispatch->func = func;
|
|
dispatch->data = data;
|
|
dispatch->notify = notify;
|
|
|
|
return clutter_frame_source_add_full (priority,
|
|
fps,
|
|
_clutter_threads_dispatch, dispatch,
|
|
_clutter_threads_dispatch_free);
|
|
}
|
|
|
|
/**
|
|
* clutter_threads_add_frame_source: (skip)
|
|
* @fps: the number of times per second to call the function
|
|
* @func: function to call
|
|
* @data: data to pass to the function
|
|
*
|
|
* Simple wrapper around clutter_threads_add_frame_source_full().
|
|
*
|
|
* Return value: the ID (greater than 0) of the event source.
|
|
*
|
|
*
|
|
*
|
|
* Deprecated: 1.6
|
|
*/
|
|
guint
|
|
clutter_threads_add_frame_source (guint fps,
|
|
GSourceFunc func,
|
|
gpointer data)
|
|
{
|
|
g_return_val_if_fail (func != NULL, 0);
|
|
|
|
return clutter_threads_add_frame_source_full (G_PRIORITY_DEFAULT,
|
|
fps,
|
|
func, data,
|
|
NULL);
|
|
}
|