/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Copyright 2011, Blender Foundation.
 */

#pragma once

#ifdef WITH_CXX_GUARDEDALLOC
#  include "MEM_guardedalloc.h"
#endif

#include "COM_ChunkOrderHotspot.h"

namespace blender::compositor {

/** Helper to determine the order how chunks are prioritized during execution. */
struct ChunkOrder {
  unsigned int index = 0;
  int x = 0;
  int y = 0;
  double distance = 0.0;

  friend bool operator<(const ChunkOrder &a, const ChunkOrder &b);

  void update_distance(ChunkOrderHotspot *hotspots, unsigned int len_hotspots);

#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("COM:ChunkOrderHotspot")
#endif
};

}  // namespace blender::compositor