src/common/hash.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include "common/common.h"

u32 HashFletcher(const u8* data_u8, size_t length);  // FAST. Length & 1 == 0.
u32 HashAdler32(const u8* data, size_t len);         // Fairly accurate, slightly slower
u32 HashFNV(const u8* ptr, int length);              // Another fast and decent hash
u32 HashEctor(const u8* ptr, int length);            // JUNK. DO NOT USE FOR NEW THINGS
u64 GetCRC32(const u8 *src, int len, u32 samples); // SSE4.2 version of CRC32
u64 GetHashHiresTexture(const u8 *src, int len, u32 samples);
u64 GetMurmurHash3(const u8 *src, int len, u32 samples);
u64 GetHash64(const u8 *src, int len, u32 samples);
void SetHash64Function(bool useHiresTextures);