mirror of
https://github.com/brl/mutter.git
synced 2024-12-30 22:52:15 +00:00
cb5582c4ab
This adds a clutter backend for running under the wayland window system. Initial cogl framebuffer integration by Robert Bragg.
149 lines
3.5 KiB
C
149 lines
3.5 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Copyright (C) 2010 Intel Corporation.
|
|
*
|
|
* 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/>.
|
|
|
|
* Authors:
|
|
* Matthew Allum
|
|
* Robert Bragg
|
|
* Kristian Høgsberg
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <wayland-client.h>
|
|
|
|
#include "../clutter-event.h"
|
|
#include "../clutter-main.h"
|
|
|
|
typedef struct _ClutterEventSourceWayland
|
|
{
|
|
GSource source;
|
|
GPollFD pfd;
|
|
uint32_t mask;
|
|
struct wl_display *display;
|
|
} ClutterEventSourceWayland;
|
|
|
|
static gboolean
|
|
clutter_event_source_wayland_prepare (GSource *base, gint *timeout)
|
|
{
|
|
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
|
|
gboolean retval;
|
|
|
|
clutter_threads_enter ();
|
|
|
|
*timeout = -1;
|
|
|
|
/* We have to add/remove the GPollFD if we want to update our
|
|
* poll event mask dynamically. Instead, let's just flush all
|
|
* write on idle instead, which is what this amounts to. */
|
|
|
|
while (source->mask & WL_DISPLAY_WRITABLE)
|
|
wl_display_iterate (source->display, WL_DISPLAY_WRITABLE);
|
|
|
|
retval = clutter_events_pending ();
|
|
|
|
clutter_threads_leave ();
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
clutter_event_source_wayland_check (GSource *base)
|
|
{
|
|
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
|
|
gboolean retval;
|
|
|
|
clutter_threads_enter ();
|
|
|
|
retval = clutter_events_pending () || source->pfd.revents;
|
|
|
|
clutter_threads_leave ();
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
clutter_event_source_wayland_dispatch (GSource *base,
|
|
GSourceFunc callback,
|
|
gpointer data)
|
|
{
|
|
ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
|
|
ClutterEvent *event;
|
|
|
|
clutter_threads_enter ();
|
|
|
|
if (source->pfd.revents)
|
|
{
|
|
wl_display_iterate (source->display, WL_DISPLAY_READABLE);
|
|
source->pfd.revents = 0;
|
|
}
|
|
|
|
event = clutter_event_get ();
|
|
|
|
if (event)
|
|
{
|
|
/* forward the event into clutter for emission etc. */
|
|
clutter_do_event (event);
|
|
clutter_event_free (event);
|
|
}
|
|
|
|
clutter_threads_leave ();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GSourceFuncs clutter_event_source_wayland_funcs = {
|
|
clutter_event_source_wayland_prepare,
|
|
clutter_event_source_wayland_check,
|
|
clutter_event_source_wayland_dispatch,
|
|
NULL
|
|
};
|
|
|
|
static int
|
|
clutter_event_source_wayland_update (uint32_t mask, void *data)
|
|
{
|
|
ClutterEventSourceWayland *source = data;
|
|
|
|
source->mask = mask;
|
|
|
|
return 0;
|
|
}
|
|
|
|
GSource *
|
|
_clutter_event_source_wayland_new (struct wl_display *display)
|
|
{
|
|
ClutterEventSourceWayland *source;
|
|
|
|
source = (ClutterEventSourceWayland *)
|
|
g_source_new (&clutter_event_source_wayland_funcs,
|
|
sizeof (ClutterEventSourceWayland));
|
|
source->display = display;
|
|
source->pfd.fd =
|
|
wl_display_get_fd (display,
|
|
clutter_event_source_wayland_update, source);
|
|
source->pfd.events = G_IO_IN | G_IO_ERR;
|
|
g_source_add_poll (&source->source, &source->pfd);
|
|
|
|
return &source->source;
|
|
}
|