tornavis/source/blender/blenlib/BLI_hash_mm2a.hh

32 lines
674 B
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bli
*/
#include "BLI_sys_types.h"
struct BLI_HashMurmur2A {
uint32_t hash;
uint32_t tail;
uint32_t count;
uint32_t size;
};
void BLI_hash_mm2a_init(BLI_HashMurmur2A *mm2, uint32_t seed);
void BLI_hash_mm2a_add(BLI_HashMurmur2A *mm2, const unsigned char *data, size_t len);
void BLI_hash_mm2a_add_int(BLI_HashMurmur2A *mm2, int data);
uint32_t BLI_hash_mm2a_end(BLI_HashMurmur2A *mm2);
/**
* Non-incremental version, quicker for small keys.
*/
uint32_t BLI_hash_mm2(const unsigned char *data, size_t len, uint32_t seed);