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/*
* Copyright 2011, Blender Foundation.
*
* 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.
*/
#ifndef __TILE_H__
#define __TILE_H__
#include <limits.h>
#include "buffers.h"
#include "util_list.h"
CCL_NAMESPACE_BEGIN
/* Tile */
class Tile {
public:
int x, y, w, h;
int device;
bool rendering;
Tile()
{}
Tile(int x_, int y_, int w_, int h_, int device_)
: x(x_), y(y_), w(w_), h(h_), device(device_), rendering(false) {}
};
/* Tile Manager */
class TileManager {
public:
BufferParams params;
struct State {
BufferParams buffer;
int sample;
int num_samples;
int resolution_divider;
int num_tiles;
int num_rendered_tiles;
list<Tile> tiles;
} state;
TileManager(bool progressive, int num_samples, int2 tile_size, int start_resolution, int num_devices = 1);
~TileManager();
void reset(BufferParams& params, int num_samples);
void set_samples(int num_samples);
bool next();
bool next_tile(Tile& tile, int device = 0);
bool done();
protected:
void set_tiles();
bool progressive;
int num_samples;
int2 tile_size;
int start_resolution;
int num_devices;
list<Tile>::iterator next_center_tile(int device = 0);
};
CCL_NAMESPACE_END
#endif /* __TILE_H__ */
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