129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
/*
|
|
* Copyright 2011-2013 Blender Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef __TILE_H__
|
|
#define __TILE_H__
|
|
|
|
#include <limits.h>
|
|
|
|
#include "buffers.h"
|
|
#include "util_list.h"
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* Tile */
|
|
|
|
class Tile {
|
|
public:
|
|
int index;
|
|
int x, y, w, h;
|
|
int device;
|
|
bool rendering;
|
|
|
|
Tile()
|
|
{}
|
|
|
|
Tile(int index_, int x_, int y_, int w_, int h_, int device_)
|
|
: index(index_), x(x_), y(y_), w(w_), h(h_), device(device_), rendering(false) {}
|
|
};
|
|
|
|
/* Tile order */
|
|
|
|
/* Note: this should match enum_tile_order in properties.py */
|
|
enum TileOrder {
|
|
TILE_CENTER = 0,
|
|
TILE_RIGHT_TO_LEFT = 1,
|
|
TILE_LEFT_TO_RIGHT = 2,
|
|
TILE_TOP_TO_BOTTOM = 3,
|
|
TILE_BOTTOM_TO_TOP = 4
|
|
};
|
|
|
|
/* 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;
|
|
|
|
int num_samples;
|
|
|
|
TileManager(bool progressive, int num_samples, int2 tile_size, int start_resolution,
|
|
bool preserve_tile_device, bool background, TileOrder tile_order, 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();
|
|
|
|
void set_tile_order(TileOrder tile_order_) { tile_order = tile_order_; }
|
|
protected:
|
|
|
|
void set_tiles();
|
|
|
|
bool progressive;
|
|
int2 tile_size;
|
|
TileOrder tile_order;
|
|
int start_resolution;
|
|
int num_devices;
|
|
|
|
/* in some cases it is important that the same tile will be returned for the same
|
|
* device it was originally generated for (i.e. viewport rendering when buffer is
|
|
* allocating once for tile and then always used by it)
|
|
*
|
|
* in other cases any tile could be handled by any device (i.e. final rendering
|
|
* without progressive refine)
|
|
*/
|
|
bool preserve_tile_device;
|
|
|
|
/* for background render tiles should exactly match render parts generated from
|
|
* blender side, which means image first gets split into tiles and then tiles are
|
|
* assigning to render devices
|
|
*
|
|
* however viewport rendering expects tiles to be allocated in a special way,
|
|
* meaning image is being sliced horizontally first and every device handles
|
|
* it's own slice
|
|
*/
|
|
bool background;
|
|
|
|
/* splits image into tiles and assigns equal amount of tiles to every render device */
|
|
void gen_tiles_global();
|
|
|
|
/* slices image into as much pieces as how many devices are rendering this image */
|
|
void gen_tiles_sliced();
|
|
|
|
/* returns tiles for background render */
|
|
list<Tile>::iterator next_background_tile(int device, TileOrder tile_order);
|
|
|
|
/* returns first unhandled tile for viewport render */
|
|
list<Tile>::iterator next_viewport_tile(int device);
|
|
};
|
|
|
|
CCL_NAMESPACE_END
|
|
|
|
#endif /* __TILE_H__ */
|
|
|