murmurhash.cpp File Reference

#include <stdlib.h>
#include <string.h>
#include "util/math.h"
#include "util/murmurhash.h"

Go to the source code of this file.

Macros
#define	ROTL32(x, y)   rotl32(x, y)
#define	BIG_CONSTANT(x)   (x##LLU)

Functions
ccl_device_inline uint32_t	rotl32 (uint32_t x, int8_t r)
CCL_NAMESPACE_BEGIN ccl_device_inline uint32_t	mm_hash_getblock32 (const uint32_t *p, int i)
ccl_device_inline uint32_t	mm_hash_fmix32 (uint32_t h)
uint32_t	util_murmur_hash3 (const void *key, int len, uint32_t seed)
float	util_hash_to_float (uint32_t hash)

Macro Definition Documentation

BIG_CONSTANT

#define BIG_CONSTANT

(

x

)

(x##LLU)

Definition at line 27 of file murmurhash.cpp.

ROTL32

#define ROTL32	(		x,
			y )   rotl32(x, y)

Definition at line 26 of file murmurhash.cpp.

Referenced by util_murmur_hash3().

Function Documentation

mm_hash_fmix32()

ccl_device_inline uint32_t mm_hash_fmix32

(

uint32_t

h

)

Definition at line 40 of file murmurhash.cpp.

Referenced by util_murmur_hash3().

mm_hash_getblock32()

CCL_NAMESPACE_BEGIN ccl_device_inline uint32_t mm_hash_getblock32	(	const uint32_t *	p,
		int	i )

Definition at line 34 of file murmurhash.cpp.

Referenced by util_murmur_hash3().

rotl32()

ccl_device_inline uint32_t rotl32	(	uint32_t	x,
		int8_t	r )

Definition at line 22 of file murmurhash.cpp.

util_hash_to_float()

float util_hash_to_float

(

uint32_t

hash

)

Definition at line 99 of file murmurhash.cpp.

References hash, max, and min.

Referenced by ShaderManager::device_update_common(), and ObjectManager::device_update_object_transform().

util_murmur_hash3()

uint32_t util_murmur_hash3	(	const void *	key,
		int	len,
		uint32_t	seed )

Definition at line 50 of file murmurhash.cpp.

References ATTR_FALLTHROUGH, len, mm_hash_fmix32(), mm_hash_getblock32(), ROTL32, and seed.

Referenced by add_cryptomatte_layer(), ShaderManager::device_update_common(), ObjectManager::device_update_object_transform(), ObjectManager::get_cryptomatte_assets(), ShaderManager::get_cryptomatte_materials(), and ObjectManager::get_cryptomatte_objects().