blender/intern/cycles/integrator/tile.h
Brecht Van Lommel 9cfc7967dd Cycles: use SPDX license headers
* Replace license text in headers with SPDX identifiers.
* Remove specific license info from outdated readme.txt, instead leave details
  to the source files.
* Add list of SPDX license identifiers used, and corresponding license texts.
* Update copyright dates while we're at it.

Ref D14069, T95597
2022-02-11 17:47:34 +01:00

46 lines
1.3 KiB
C++

/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#pragma once
#include <ostream>
#include "util/types.h"
CCL_NAMESPACE_BEGIN
struct TileSize {
TileSize() = default;
inline TileSize(int width, int height, int num_samples)
: width(width), height(height), num_samples(num_samples)
{
}
inline bool operator==(const TileSize &other) const
{
return width == other.width && height == other.height && num_samples == other.num_samples;
}
inline bool operator!=(const TileSize &other) const
{
return !(*this == other);
}
int width = 0, height = 0;
int num_samples = 0;
};
std::ostream &operator<<(std::ostream &os, const TileSize &tile_size);
/* Calculate tile size which is best suitable for rendering image of a given size with given number
* of active path states.
* Will attempt to provide best guess to keep path tracing threads of a device as localized as
* possible, and have as many threads active for every tile as possible. */
TileSize tile_calculate_best_size(const bool accel_rt,
const int2 &image_size,
const int num_samples,
const int max_num_path_states,
const float scrambling_distance);
CCL_NAMESPACE_END