mutter/clutter/clutter/clutter-damage-history.h
Jonas Ådahl ae4d299499 clutter/stage-cogl: Extract damage history logic
Move the damage history tracking to a new ClutterDamageHistory helper
type. The aim is to be able to track damage history elsewhere without
reimplementing the data structure and tracking logic.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237
2020-05-26 13:54:28 +00:00

43 lines
1.6 KiB
C

/*
* Copyright (C) 2007,2008,2009,2010,2011 Intel Corporation.
* Copyright (C) 2020 Red Hat Inc
*
* 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/>.
*/
#ifndef CLUTTER_DAMAGE_HISTORY_H
#define CLUTTER_DAMAGE_HISTORY_H
#include <cairo.h>
#include <glib.h>
typedef struct _ClutterDamageHistory ClutterDamageHistory;
ClutterDamageHistory * clutter_damage_history_new (void);
void clutter_damage_history_free (ClutterDamageHistory *history);
gboolean clutter_damage_history_is_age_valid (ClutterDamageHistory *history,
int age);
void clutter_damage_history_record (ClutterDamageHistory *history,
const cairo_region_t *damage);
void clutter_damage_history_step (ClutterDamageHistory *history);
const cairo_region_t * clutter_damage_history_lookup (ClutterDamageHistory *history,
int age);
#endif /* CLUTTER_DAMAGE_HISTORY_H */