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Clean up Hash Functions

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Clean up and do fixes to hash functions and newly introduced murmur3 hashes in #61934
* Clean up usage of murmur3
* Fixed usages of binary murmur3 on floats (this is invalid)
* Changed DJB2 to use xor (which seems to be better)
This commit is contained in:
reduz 2022-06-18 16:20:55 +02:00
parent 8e3d9a23aa
commit 141c375581
40 changed files with 391 additions and 236 deletions
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4
core/io/file_access_pack.h
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@ -84,8 +84,8 @@ private:
return (a == p_val.a) && (b == p_val.b);
}
static uint32_t hash(const PathMD5 &p_val) {
uint32_t h = hash_djb2_one_32(p_val.a);
return hash_djb2_one_32(p_val.b, h);
uint32_t h = hash_murmur3_one_32(p_val.a);
return hash_fmix32(hash_murmur3_one_32(p_val.b, h));
}
PathMD5() {}

20
core/io/resource.cpp
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@ -100,14 +100,14 @@ String Resource::generate_scene_unique_id() {
// If it's not unique it does not matter because the saver will try again.
OS::Date date = OS::get_singleton()->get_date();
OS::Time time = OS::get_singleton()->get_time();
uint32_t hash = hash_djb2_one_32(OS::get_singleton()->get_ticks_usec());
hash = hash_djb2_one_32(date.year, hash);
hash = hash_djb2_one_32(date.month, hash);
hash = hash_djb2_one_32(date.day, hash);
hash = hash_djb2_one_32(time.hour, hash);
hash = hash_djb2_one_32(time.minute, hash);
hash = hash_djb2_one_32(time.second, hash);
hash = hash_djb2_one_32(Math::rand(), hash);
uint32_t hash = hash_murmur3_one_32(OS::get_singleton()->get_ticks_usec());
hash = hash_murmur3_one_32(date.year, hash);
hash = hash_murmur3_one_32(date.month, hash);
hash = hash_murmur3_one_32(date.day, hash);
hash = hash_murmur3_one_32(time.hour, hash);
hash = hash_murmur3_one_32(time.minute, hash);
hash = hash_murmur3_one_32(time.second, hash);
hash = hash_murmur3_one_32(Math::rand(), hash);
static constexpr uint32_t characters = 5;
static constexpr uint32_t char_count = ('z' - 'a');
@ -328,7 +328,7 @@ void Resource::notify_change_to_owners() {
#ifdef TOOLS_ENABLED
uint32_t Resource::hash_edited_version() const {
uint32_t hash = hash_djb2_one_32(get_edited_version());
uint32_t hash = hash_murmur3_one_32(get_edited_version());
List<PropertyInfo> plist;
get_property_list(&plist);
@ -337,7 +337,7 @@ uint32_t Resource::hash_edited_version() const {
if (E.usage & PROPERTY_USAGE_STORAGE && E.type == Variant::OBJECT && E.hint == PROPERTY_HINT_RESOURCE_TYPE) {
Ref<Resource> res = get(E.name);
if (res.is_valid()) {
hash = hash_djb2_one_32(res->hash_edited_version(), hash);
hash = hash_murmur3_one_32(res->hash_edited_version(), hash);
}
}
}

2
core/math/delaunay_3d.h
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@ -101,7 +101,7 @@ class Delaunay3D {
_FORCE_INLINE_ static uint32_t hash(const Triangle &p_triangle) {
uint32_t h = hash_djb2_one_32(p_triangle.triangle[0]);
h = hash_djb2_one_32(p_triangle.triangle[1], h);
return hash_djb2_one_32(p_triangle.triangle[2], h);
return hash_fmix32(hash_djb2_one_32(p_triangle.triangle[2], h));
}
};

11
core/multiplayer/multiplayer_peer.cpp
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@ -36,17 +36,18 @@ uint32_t MultiplayerPeer::generate_unique_id() const {
uint32_t hash = 0;
while (hash == 0 || hash == 1) {
hash = hash_djb2_one_32(
hash = hash_murmur3_one_32(
(uint32_t)OS::get_singleton()->get_ticks_usec());
hash = hash_djb2_one_32(
hash = hash_murmur3_one_32(
(uint32_t)OS::get_singleton()->get_unix_time(), hash);
hash = hash_djb2_one_32(
hash = hash_murmur3_one_32(
(uint32_t)OS::get_singleton()->get_user_data_dir().hash64(), hash);
hash = hash_djb2_one_32(
hash = hash_murmur3_one_32(
(uint32_t)((uint64_t)this), hash); // Rely on ASLR heap
hash = hash_djb2_one_32(
hash = hash_murmur3_one_32(
(uint32_t)((uint64_t)&hash), hash); // Rely on ASLR stack
hash = hash_fmix32(hash);
hash = hash & 0x7FFFFFFF; // Make it compatible with unsigned, since negative ID is used for exclusion
}

4
core/object/callable_method_pointer.cpp
View File

@ -85,9 +85,9 @@ void CallableCustomMethodPointerBase::_setup(uint32_t *p_base_ptr, uint32_t p_pt
// Precompute hash.
for (uint32_t i = 0; i < comp_size; i++) {
if (i == 0) {
h = hash_djb2_one_32(comp_ptr[i]);
h = hash_murmur3_one_32(comp_ptr[i]);
} else {
h = hash_djb2_one_32(comp_ptr[i], h);
h = hash_murmur3_one_32(comp_ptr[i], h);
}
}
}

52
core/object/class_db.cpp
View File

@ -164,7 +164,7 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
OBJTYPE_RLOCK;
#ifdef DEBUG_METHODS_ENABLED
uint64_t hash = hash_djb2_one_64(HashMapHasherDefault::hash(VERSION_FULL_CONFIG));
uint64_t hash = hash_murmur3_one_64(HashMapHasherDefault::hash(VERSION_FULL_CONFIG));
List<StringName> class_list;
ClassDB::get_class_list(&class_list);
@ -177,8 +177,8 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
if (t->api != p_api || !t->exposed) {
continue;
}
hash = hash_djb2_one_64(t->name.hash(), hash);
hash = hash_djb2_one_64(t->inherits.hash(), hash);
hash = hash_murmur3_one_64(t->name.hash(), hash);
hash = hash_murmur3_one_64(t->inherits.hash(), hash);
{ //methods
@ -200,27 +200,27 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
for (const StringName &F : snames) {
MethodBind *mb = t->method_map[F];
hash = hash_djb2_one_64(mb->get_name().hash(), hash);
hash = hash_djb2_one_64(mb->get_argument_count(), hash);
hash = hash_djb2_one_64(mb->get_argument_type(-1), hash); //return
hash = hash_murmur3_one_64(mb->get_name().hash(), hash);
hash = hash_murmur3_one_64(mb->get_argument_count(), hash);
hash = hash_murmur3_one_64(mb->get_argument_type(-1), hash); //return
for (int i = 0; i < mb->get_argument_count(); i++) {
const PropertyInfo info = mb->get_argument_info(i);
hash = hash_djb2_one_64(info.type, hash);
hash = hash_djb2_one_64(info.name.hash(), hash);
hash = hash_djb2_one_64(info.hint, hash);
hash = hash_djb2_one_64(info.hint_string.hash(), hash);
hash = hash_murmur3_one_64(info.type, hash);
hash = hash_murmur3_one_64(info.name.hash(), hash);
hash = hash_murmur3_one_64(info.hint, hash);
hash = hash_murmur3_one_64(info.hint_string.hash(), hash);
}
hash = hash_djb2_one_64(mb->get_default_argument_count(), hash);
hash = hash_murmur3_one_64(mb->get_default_argument_count(), hash);
for (int i = 0; i < mb->get_default_argument_count(); i++) {
//hash should not change, i hope for tis
Variant da = mb->get_default_argument(i);
hash = hash_djb2_one_64(da.hash(), hash);
hash = hash_murmur3_one_64(da.hash(), hash);
}
hash = hash_djb2_one_64(mb->get_hint_flags(), hash);
hash = hash_murmur3_one_64(mb->get_hint_flags(), hash);
}
}
@ -235,8 +235,8 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
snames.sort_custom<StringName::AlphCompare>();
for (const StringName &F : snames) {
hash = hash_djb2_one_64(F.hash(), hash);
hash = hash_djb2_one_64(t->constant_map[F], hash);
hash = hash_murmur3_one_64(F.hash(), hash);
hash = hash_murmur3_one_64(t->constant_map[F], hash);
}
}
@ -252,9 +252,9 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
for (const StringName &F : snames) {
MethodInfo &mi = t->signal_map[F];
hash = hash_djb2_one_64(F.hash(), hash);
hash = hash_murmur3_one_64(F.hash(), hash);
for (int i = 0; i < mi.arguments.size(); i++) {
hash = hash_djb2_one_64(mi.arguments[i].type, hash);
hash = hash_murmur3_one_64(mi.arguments[i].type, hash);
}
}
}
@ -273,23 +273,23 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
PropertySetGet *psg = t->property_setget.getptr(F);
ERR_FAIL_COND_V(!psg, 0);
hash = hash_djb2_one_64(F.hash(), hash);
hash = hash_djb2_one_64(psg->setter.hash(), hash);
hash = hash_djb2_one_64(psg->getter.hash(), hash);
hash = hash_murmur3_one_64(F.hash(), hash);
hash = hash_murmur3_one_64(psg->setter.hash(), hash);
hash = hash_murmur3_one_64(psg->getter.hash(), hash);
}
}
//property list
for (const PropertyInfo &F : t->property_list) {
hash = hash_djb2_one_64(F.name.hash(), hash);
hash = hash_djb2_one_64(F.type, hash);
hash = hash_djb2_one_64(F.hint, hash);
hash = hash_djb2_one_64(F.hint_string.hash(), hash);
hash = hash_djb2_one_64(F.usage, hash);
hash = hash_murmur3_one_64(F.name.hash(), hash);
hash = hash_murmur3_one_64(F.type, hash);
hash = hash_murmur3_one_64(F.hint, hash);
hash = hash_murmur3_one_64(F.hint_string.hash(), hash);
hash = hash_murmur3_one_64(F.usage, hash);
}
}
return hash;
return hash_fmix32(hash);
#else
return 0;
#endif

25
core/object/method_bind.cpp
View File

@ -35,32 +35,27 @@
#include "method_bind.h"
uint32_t MethodBind::get_hash() const {
uint32_t hash = hash_djb2_one_32(has_return() ? 1 : 0);
hash = hash_djb2_one_32(get_argument_count(), hash);
#ifndef _MSC_VER
#warning This needs proper class name and argument type for hashing
#endif
#if 0
uint32_t hash = hash_murmur3_one_32(has_return() ? 1 : 0);
hash = hash_murmur3_one_32(get_argument_count(), hash);
for (int i = (has_return() ? -1 : 0); i < get_argument_count(); i++) {
PropertyInfo pi = i == -1 ? get_return_info() : get_argument_info(i);
hash = hash_djb2_one_32(get_argument_type(i), hash);
hash = hash_murmur3_one_32(get_argument_type(i), hash);
if (pi.class_name != StringName()) {
hash = hash_djb2_one_32(pi.class_name.operator String().hash(), hash);
hash = hash_murmur3_one_32(pi.class_name.operator String().hash(), hash);
}
}
#endif
hash = hash_djb2_one_32(get_default_argument_count(), hash);
hash = hash_murmur3_one_32(get_default_argument_count(), hash);
for (int i = 0; i < get_default_argument_count(); i++) {
Variant v = get_default_argument(i);
hash = hash_djb2_one_32(v.hash(), hash);
hash = hash_murmur3_one_32(v.hash(), hash);
}
hash = hash_djb2_one_32(is_const(), hash);
hash = hash_djb2_one_32(is_vararg(), hash);
hash = hash_murmur3_one_32(is_const(), hash);
hash = hash_murmur3_one_32(is_vararg(), hash);
return hash;
return hash_fmix32(hash);
}
PropertyInfo MethodBind::get_argument_info(int p_argument) const {

162
core/templates/hashfuncs.h
View File

@ -62,7 +62,7 @@ static _FORCE_INLINE_ uint32_t hash_djb2(const char *p_cstr) {
uint32_t c;
while ((c = *chr++)) {
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
hash = ((hash << 5) + hash) ^ c; /* hash * 33 ^ c */
}
return hash;
@ -72,14 +72,14 @@ static _FORCE_INLINE_ uint32_t hash_djb2_buffer(const uint8_t *p_buff, int p_len
uint32_t hash = p_prev;
for (int i = 0; i < p_len; i++) {
hash = ((hash << 5) + hash) + p_buff[i]; /* hash * 33 + c */
hash = ((hash << 5) + hash) ^ p_buff[i]; /* hash * 33 + c */
}
return hash;
}
static _FORCE_INLINE_ uint32_t hash_djb2_one_32(uint32_t p_in, uint32_t p_prev = 5381) {
return ((p_prev << 5) + p_prev) + p_in;
return ((p_prev << 5) + p_prev) ^ p_in;
}
/**
@ -100,14 +100,76 @@ static _FORCE_INLINE_ uint32_t hash_one_uint64(const uint64_t p_int) {
return uint32_t(v);
}
#define HASH_MURMUR3_SEED 0x7F07C65
// Murmurhash3 32-bit version.
// All MurmurHash versions are public domain software, and the author disclaims all copyright to their code.
static _FORCE_INLINE_ uint32_t rotl32(uint32_t x, int8_t r) {
static _FORCE_INLINE_ uint32_t hash_murmur3_one_32(uint32_t p_in, uint32_t p_seed = HASH_MURMUR3_SEED) {
p_in *= 0xcc9e2d51;
p_in = (p_in << 15) | (p_in >> 17);
p_in *= 0x1b873593;
p_seed ^= p_in;
p_seed = (p_seed << 13) | (p_seed >> 19);
p_seed = p_seed * 5 + 0xe6546b64;
return p_seed;
}
static _FORCE_INLINE_ uint32_t hash_murmur3_one_float(float p_in, uint32_t p_seed = HASH_MURMUR3_SEED) {
union {
float f;
uint32_t i;
} u;
// Normalize +/- 0.0 and NaN values so they hash the same.
if (p_in == 0.0f) {
u.f = 0.0;
} else if (Math::is_nan(p_in)) {
u.f = NAN;
} else {
u.f = p_in;
}
return hash_murmur3_one_32(u.i, p_seed);
}
static _FORCE_INLINE_ uint32_t hash_murmur3_one_64(uint64_t p_in, uint32_t p_seed = HASH_MURMUR3_SEED) {
p_seed = hash_murmur3_one_32(p_in & 0xFFFFFFFF, p_seed);
return hash_murmur3_one_32(p_in >> 32, p_seed);
}
static _FORCE_INLINE_ uint32_t hash_murmur3_one_double(double p_in, uint32_t p_seed = HASH_MURMUR3_SEED) {
union {
double d;
uint64_t i;
} u;
// Normalize +/- 0.0 and NaN values so they hash the same.
if (p_in == 0.0f) {
u.d = 0.0;
} else if (Math::is_nan(p_in)) {
u.d = NAN;
} else {
u.d = p_in;
}
return hash_murmur3_one_64(u.i, p_seed);
}
static _FORCE_INLINE_ uint32_t hash_murmur3_one_real(real_t p_in, uint32_t p_seed = HASH_MURMUR3_SEED) {
#ifdef REAL_T_IS_DOUBLE
return hash_murmur3_one_double(p_in, p_seed);
#else
return hash_murmur3_one_float(p_in, p_seed);
#endif
}
static _FORCE_INLINE_ uint32_t hash_rotl32(uint32_t x, int8_t r) {
return (x << r) | (x >> (32 - r));
}
static _FORCE_INLINE_ uint32_t fmix32(uint32_t h) {
static _FORCE_INLINE_ uint32_t hash_fmix32(uint32_t h) {
h ^= h >> 16;
h *= 0x85ebca6b;
h ^= h >> 13;
@ -117,7 +179,7 @@ static _FORCE_INLINE_ uint32_t fmix32(uint32_t h) {
return h;
}
static _FORCE_INLINE_ uint32_t hash_murmur3_32(const void *key, int length, const uint32_t seed = 0x7F07C65) {
static _FORCE_INLINE_ uint32_t hash_murmur3_buffer(const void *key, int length, const uint32_t seed = HASH_MURMUR3_SEED) {
// Although not required, this is a random prime number.
const uint8_t *data = (const uint8_t *)key;
const int nblocks = length / 4;
@ -133,11 +195,11 @@ static _FORCE_INLINE_ uint32_t hash_murmur3_32(const void *key, int length, cons
uint32_t k1 = blocks[i];
k1 *= c1;
k1 = rotl32(k1, 15);
k1 = hash_rotl32(k1, 15);
k1 *= c2;
h1 ^= k1;
h1 = rotl32(h1, 13);
h1 = hash_rotl32(h1, 13);
h1 = h1 * 5 + 0xe6546b64;
}
@ -155,14 +217,14 @@ static _FORCE_INLINE_ uint32_t hash_murmur3_32(const void *key, int length, cons
case 1:
k1 ^= tail[0];
k1 *= c1;
k1 = rotl32(k1, 15);
k1 = hash_rotl32(k1, 15);
k1 *= c2;
h1 ^= k1;
};
// Finalize with additional bit mixing.
h1 ^= length;
return fmix32(h1);
return hash_fmix32(h1);
}
static _FORCE_INLINE_ uint32_t hash_djb2_one_float(double p_in, uint32_t p_prev = 5381) {
@ -184,7 +246,7 @@ static _FORCE_INLINE_ uint32_t hash_djb2_one_float(double p_in, uint32_t p_prev
}
template <class T>
static _FORCE_INLINE_ uint32_t make_uint32_t(T p_in) {
static _FORCE_INLINE_ uint32_t hash_make_uint32_t(T p_in) {
union {
T t;
uint32_t _u32;
@ -213,11 +275,11 @@ static _FORCE_INLINE_ uint64_t hash_djb2_one_float_64(double p_in, uint64_t p_pr
}
static _FORCE_INLINE_ uint64_t hash_djb2_one_64(uint64_t p_in, uint64_t p_prev = 5381) {
return ((p_prev << 5) + p_prev) + p_in;
return ((p_prev << 5) + p_prev) ^ p_in;
}
template <class T>
static _FORCE_INLINE_ uint64_t make_uint64_t(T p_in) {
static _FORCE_INLINE_ uint64_t hash_make_uint64_t(T p_in) {
union {
T t;
uint64_t _u64;
@ -241,9 +303,9 @@ struct HashMapHasherDefault {
static _FORCE_INLINE_ uint32_t hash(const String &p_string) { return p_string.hash(); }
static _FORCE_INLINE_ uint32_t hash(const char *p_cstr) { return hash_djb2(p_cstr); }
static _FORCE_INLINE_ uint32_t hash(const wchar_t p_wchar) { return fmix32(p_wchar); }
static _FORCE_INLINE_ uint32_t hash(const char16_t p_uchar) { return fmix32(p_uchar); }
static _FORCE_INLINE_ uint32_t hash(const char32_t p_uchar) { return fmix32(p_uchar); }
static _FORCE_INLINE_ uint32_t hash(const wchar_t p_wchar) { return hash_fmix32(p_wchar); }
static _FORCE_INLINE_ uint32_t hash(const char16_t p_uchar) { return hash_fmix32(p_uchar); }
static _FORCE_INLINE_ uint32_t hash(const char32_t p_uchar) { return hash_fmix32(p_uchar); }
static _FORCE_INLINE_ uint32_t hash(const RID &p_rid) { return hash_one_uint64(p_rid.get_id()); }
static _FORCE_INLINE_ uint32_t hash(const StringName &p_string_name) { return p_string_name.hash(); }
static _FORCE_INLINE_ uint32_t hash(const NodePath &p_path) { return p_path.hash(); }
@ -251,21 +313,59 @@ struct HashMapHasherDefault {
static _FORCE_INLINE_ uint32_t hash(const uint64_t p_int) { return hash_one_uint64(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int64_t p_int) { return hash_one_uint64(p_int); }
static _FORCE_INLINE_ uint32_t hash(const float p_float) { return hash_djb2_one_float(p_float); }
static _FORCE_INLINE_ uint32_t hash(const double p_double) { return hash_djb2_one_float(p_double); }
static _FORCE_INLINE_ uint32_t hash(const uint32_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int32_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const uint16_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int16_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const uint8_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int8_t p_int) { return fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const Vector2i &p_vec) { return hash_murmur3_32(&p_vec, sizeof(Vector2i)); }
static _FORCE_INLINE_ uint32_t hash(const Vector3i &p_vec) { return hash_murmur3_32(&p_vec, sizeof(Vector3i)); }
static _FORCE_INLINE_ uint32_t hash(const Vector2 &p_vec) { return hash_murmur3_32(&p_vec, sizeof(Vector2)); }
static _FORCE_INLINE_ uint32_t hash(const Vector3 &p_vec) { return hash_murmur3_32(&p_vec, sizeof(Vector3)); }
static _FORCE_INLINE_ uint32_t hash(const Rect2i &p_rect) { return hash_murmur3_32(&p_rect, sizeof(Rect2i)); }
static _FORCE_INLINE_ uint32_t hash(const Rect2 &p_rect) { return hash_murmur3_32(&p_rect, sizeof(Rect2)); }
static _FORCE_INLINE_ uint32_t hash(const AABB &p_aabb) { return hash_murmur3_32(&p_aabb, sizeof(AABB)); }
static _FORCE_INLINE_ uint32_t hash(const float p_float) { return hash_murmur3_one_float(p_float); }
static _FORCE_INLINE_ uint32_t hash(const double p_double) { return hash_murmur3_one_double(p_double); }
static _FORCE_INLINE_ uint32_t hash(const uint32_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int32_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const uint16_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int16_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const uint8_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const int8_t p_int) { return hash_fmix32(p_int); }
static _FORCE_INLINE_ uint32_t hash(const Vector2i &p_vec) {
uint32_t h = hash_murmur3_one_32(p_vec.x);
h = hash_murmur3_one_32(p_vec.y, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const Vector3i &p_vec) {
uint32_t h = hash_murmur3_one_32(p_vec.x);
h = hash_murmur3_one_32(p_vec.y, h);
h = hash_murmur3_one_32(p_vec.z, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const Vector2 &p_vec) {
uint32_t h = hash_murmur3_one_real(p_vec.x);
h = hash_murmur3_one_real(p_vec.y, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const Vector3 &p_vec) {
uint32_t h = hash_murmur3_one_real(p_vec.x);
h = hash_murmur3_one_real(p_vec.y, h);
h = hash_murmur3_one_real(p_vec.z, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const Rect2i &p_rect) {
uint32_t h = hash_murmur3_one_32(p_rect.position.x);
h = hash_murmur3_one_32(p_rect.position.y, h);
h = hash_murmur3_one_32(p_rect.size.x, h);
h = hash_murmur3_one_32(p_rect.size.y, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const Rect2 &p_rect) {
uint32_t h = hash_murmur3_one_real(p_rect.position.x);
h = hash_murmur3_one_real(p_rect.position.y, h);
h = hash_murmur3_one_real(p_rect.size.x, h);
h = hash_murmur3_one_real(p_rect.size.y, h);
return hash_fmix32(h);
}
static _FORCE_INLINE_ uint32_t hash(const AABB &p_aabb) {
uint32_t h = hash_murmur3_one_real(p_aabb.position.x);
h = hash_murmur3_one_real(p_aabb.position.y, h);
h = hash_murmur3_one_real(p_aabb.position.z, h);
h = hash_murmur3_one_real(p_aabb.size.x, h);
h = hash_murmur3_one_real(p_aabb.size.y, h);
h = hash_murmur3_one_real(p_aabb.size.z, h);
return hash_fmix32(h);
}
};
template <typename T>

6
core/variant/array.cpp
View File

@ -190,13 +190,13 @@ uint32_t Array::recursive_hash(int recursion_count) const {
return 0;
}
uint32_t h = hash_djb2_one_32(Variant::ARRAY);
uint32_t h = hash_murmur3_one_32(Variant::ARRAY);
recursion_count++;
for (int i = 0; i < _p->array.size(); i++) {
h = hash_djb2_one_32(_p->array[i].recursive_hash(recursion_count), h);
h = hash_murmur3_one_32(_p->array[i].recursive_hash(recursion_count), h);
}
return h;
return hash_fmix32(h);
}
bool Array::_assign(const Array &p_array) {

3
core/variant/callable.cpp
View File

@ -143,7 +143,8 @@ uint32_t Callable::hash() const {
return custom->hash();
} else {
uint32_t hash = method.hash();
return hash_djb2_one_64(object, hash);
hash = hash_murmur3_one_64(object, hash);
return hash_fmix32(hash);
}
}

8
core/variant/dictionary.cpp
View File

@ -298,15 +298,15 @@ uint32_t Dictionary::recursive_hash(int recursion_count) const {
return 0;
}
uint32_t h = hash_djb2_one_32(Variant::DICTIONARY);
uint32_t h = hash_murmur3_one_32(Variant::DICTIONARY);
recursion_count++;
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
h = hash_djb2_one_32(E.key.recursive_hash(recursion_count), h);
h = hash_djb2_one_32(E.value.recursive_hash(recursion_count), h);
h = hash_murmur3_one_32(E.key.recursive_hash(recursion_count), h);
h = hash_murmur3_one_32(E.value.recursive_hash(recursion_count), h);
}
return h;
return hash_fmix32(h);
}
Array Dictionary::keys() const {

144
core/variant/variant.cpp
View File

@ -2780,7 +2780,7 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
return hash_one_uint64((uint64_t)_data._int);
} break;
case FLOAT: {
return hash_djb2_one_float(_data._float);
return hash_murmur3_one_float(_data._float);
} break;
case STRING: {
return reinterpret_cast<const String *>(_data._mem)->hash();
@ -2788,50 +2788,102 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
// math types
case VECTOR2: {
return hash_murmur3_32(reinterpret_cast<const Vector2 *>(_data._mem), sizeof(Vector2));
return HashMapHasherDefault::hash(*reinterpret_cast<const Vector2 *>(_data._mem));
} break;
case VECTOR2I: {
return hash_murmur3_32(reinterpret_cast<const Vector2i *>(_data._mem), sizeof(Vector2i));
return HashMapHasherDefault::hash(*reinterpret_cast<const Vector2i *>(_data._mem));
} break;
case RECT2: {
return hash_murmur3_32(reinterpret_cast<const Rect2 *>(_data._mem), sizeof(Rect2));
return HashMapHasherDefault::hash(*reinterpret_cast<const Rect2 *>(_data._mem));
} break;
case RECT2I: {
return hash_murmur3_32(reinterpret_cast<const Rect2i *>(_data._mem), sizeof(Rect2i));
return HashMapHasherDefault::hash(*reinterpret_cast<const Rect2i *>(_data._mem));
} break;
case TRANSFORM2D: {
return hash_murmur3_32(reinterpret_cast<const Transform2D *>(_data._transform2d), sizeof(Transform2D));
uint32_t h = HASH_MURMUR3_SEED;
const Transform2D &t = *_data._transform2d;
h = hash_murmur3_one_real(t[0].x, h);
h = hash_murmur3_one_real(t[0].y, h);
h = hash_murmur3_one_real(t[1].x, h);
h = hash_murmur3_one_real(t[1].y, h);
h = hash_murmur3_one_real(t[2].x, h);
h = hash_murmur3_one_real(t[2].y, h);
return hash_fmix32(h);
} break;
case VECTOR3: {
return hash_murmur3_32(reinterpret_cast<const Vector3 *>(_data._mem), sizeof(Vector3));
return HashMapHasherDefault::hash(*reinterpret_cast<const Vector3 *>(_data._mem));
} break;
case VECTOR3I: {
return hash_murmur3_32(reinterpret_cast<const Vector3i *>(_data._mem), sizeof(Vector3i));
return HashMapHasherDefault::hash(*reinterpret_cast<const Vector3i *>(_data._mem));
} break;
case PLANE: {
return hash_murmur3_32(reinterpret_cast<const Plane *>(_data._mem), sizeof(Plane));
uint32_t h = HASH_MURMUR3_SEED;
const Plane &p = *reinterpret_cast<const Plane *>(_data._mem);
h = hash_murmur3_one_real(p.normal.x, h);
h = hash_murmur3_one_real(p.normal.y, h);
h = hash_murmur3_one_real(p.normal.z, h);
h = hash_murmur3_one_real(p.d, h);
return hash_fmix32(h);
} break;
case AABB: {
return hash_murmur3_32(_data._aabb, sizeof(AABB));
return HashMapHasherDefault::hash(*_data._aabb);
} break;
case QUATERNION: {
return hash_murmur3_32(reinterpret_cast<const Quaternion *>(_data._mem), sizeof(Quaternion));
uint32_t h = HASH_MURMUR3_SEED;
const Quaternion &q = *reinterpret_cast<const Quaternion *>(_data._mem);
h = hash_murmur3_one_real(q.x, h);
h = hash_murmur3_one_real(q.y, h);
h = hash_murmur3_one_real(q.z, h);
h = hash_murmur3_one_real(q.w, h);
return hash_fmix32(h);
} break;
case BASIS: {
return hash_murmur3_32(_data._basis, sizeof(Basis));
uint32_t h = HASH_MURMUR3_SEED;
const Basis &b = *_data._basis;
h = hash_murmur3_one_real(b[0].x, h);
h = hash_murmur3_one_real(b[0].y, h);
h = hash_murmur3_one_real(b[0].z, h);
h = hash_murmur3_one_real(b[1].x, h);
h = hash_murmur3_one_real(b[1].y, h);
h = hash_murmur3_one_real(b[1].z, h);
h = hash_murmur3_one_real(b[2].x, h);
h = hash_murmur3_one_real(b[2].y, h);
h = hash_murmur3_one_real(b[2].z, h);
return hash_fmix32(h);
} break;
case TRANSFORM3D: {
return hash_murmur3_32(_data._transform3d, sizeof(Transform3D));
uint32_t h = HASH_MURMUR3_SEED;
const Transform3D &t = *_data._transform3d;
h = hash_murmur3_one_real(t.basis[0].x, h);
h = hash_murmur3_one_real(t.basis[0].y, h);
h = hash_murmur3_one_real(t.basis[0].z, h);
h = hash_murmur3_one_real(t.basis[1].x, h);
h = hash_murmur3_one_real(t.basis[1].y, h);
h = hash_murmur3_one_real(t.basis[1].z, h);
h = hash_murmur3_one_real(t.basis[2].x, h);
h = hash_murmur3_one_real(t.basis[2].y, h);
h = hash_murmur3_one_real(t.basis[2].z, h);
h = hash_murmur3_one_real(t.origin.x, h);
h = hash_murmur3_one_real(t.origin.y, h);
h = hash_murmur3_one_real(t.origin.z, h);
return hash_fmix32(h);
} break;
// misc types
case COLOR: {
return hash_murmur3_32(reinterpret_cast<const Color *>(_data._mem), sizeof(Color));
uint32_t h = HASH_MURMUR3_SEED;
const Color &c = *reinterpret_cast<const Color *>(_data._mem);
h = hash_murmur3_one_float(c.r, h);
h = hash_murmur3_one_float(c.g, h);
h = hash_murmur3_one_float(c.b, h);
h = hash_murmur3_one_float(c.a, h);
return hash_fmix32(h);
} break;
case RID: {
return hash_one_uint64(reinterpret_cast<const ::RID *>(_data._mem)->get_id());
} break;
case OBJECT: {
return hash_one_uint64(make_uint64_t(_get_obj().obj));
return hash_one_uint64(hash_make_uint64_t(_get_obj().obj));
} break;
case STRING_NAME: {
return reinterpret_cast<const StringName *>(_data._mem)->hash();
@ -2850,7 +2902,7 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
case SIGNAL: {
const Signal &s = *reinterpret_cast<const Signal *>(_data._mem);
uint32_t hash = s.get_name().hash();
return hash_djb2_one_64(s.get_object_id(), hash);
return hash_murmur3_one_64(s.get_object_id(), hash);
} break;
case ARRAY: {
const Array &arr = *reinterpret_cast<const Array *>(_data._mem);
@ -2862,9 +2914,9 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
int len = arr.size();
if (likely(len)) {
const uint8_t *r = arr.ptr();
return hash_murmur3_32((uint8_t *)&r[0], len);
return hash_murmur3_buffer((uint8_t *)&r[0], len);
} else {
return hash_djb2_one_64(0);
return hash_murmur3_one_64(0);
}
} break;
@ -2873,9 +2925,9 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
int len = arr.size();
if (likely(len)) {
const int32_t *r = arr.ptr();
return hash_murmur3_32((uint8_t *)&r[0], len * sizeof(int32_t));
return hash_murmur3_buffer((uint8_t *)&r[0], len * sizeof(int32_t));
} else {
return hash_djb2_one_64(0);
return hash_murmur3_one_64(0);
}
} break;
@ -2884,9 +2936,9 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
int len = arr.size();
if (likely(len)) {
const int64_t *r = arr.ptr();
return hash_murmur3_32((uint8_t *)&r[0], len * sizeof(int64_t));
return hash_murmur3_buffer((uint8_t *)&r[0], len * sizeof(int64_t));
} else {
return hash_djb2_one_64(0);
return hash_murmur3_one_64(0);
}
} break;
@ -2896,9 +2948,13 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
if (likely(len)) {
const float *r = arr.ptr();
return hash_murmur3_32((uint8_t *)&r[0], len * sizeof(float));
uint32_t h = HASH_MURMUR3_SEED;
for (int32_t i = 0; i < len; i++) {
h = hash_murmur3_one_float(r[i], h);
}
return hash_fmix32(h);
} else {
return hash_djb2_one_float(0.0);
return hash_murmur3_one_float(0.0);
}
} break;
@ -2908,14 +2964,18 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
if (likely(len)) {
const double *r = arr.ptr();
return hash_murmur3_32((uint8_t *)&r[0], len * sizeof(double));
uint32_t h = HASH_MURMUR3_SEED;
for (int32_t i = 0; i < len; i++) {
h = hash_murmur3_one_double(r[i], h);
}
return hash_fmix32(h);
} else {
return hash_djb2_one_float(0.0);
return hash_murmur3_one_float(0.0);
}
} break;
case PACKED_STRING_ARRAY: {
uint32_t hash = 5831;
uint32_t hash = HASH_MURMUR3_SEED;
const Vector<String> &arr = PackedArrayRef<String>::get_array(_data.packed_array);
int len = arr.size();
@ -2923,14 +2983,15 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
const String *r = arr.ptr();
for (int i = 0; i < len; i++) {
hash = hash_djb2_one_32(r[i].hash(), hash);
hash = hash_murmur3_one_32(r[i].hash(), hash);
}
hash = hash_fmix32(hash);
}
return hash;
} break;
case PACKED_VECTOR2_ARRAY: {
uint32_t hash = 5831;
uint32_t hash = HASH_MURMUR3_SEED;
const Vector<Vector2> &arr = PackedArrayRef<Vector2>::get_array(_data.packed_array);
int len = arr.size();
@ -2938,15 +2999,16 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
const Vector2 *r = arr.ptr();
for (int i = 0; i < len; i++) {
hash = hash_djb2_one_float(r[i].x, hash);
hash = hash_djb2_one_float(r[i].y, hash);
hash = hash_murmur3_one_real(r[i].x, hash);
hash = hash_murmur3_one_real(r[i].y, hash);
}
hash = hash_fmix32(hash);
}
return hash;
} break;
case PACKED_VECTOR3_ARRAY: {
uint32_t hash = 5831;
uint32_t hash = HASH_MURMUR3_SEED;
const Vector<Vector3> &arr = PackedArrayRef<Vector3>::get_array(_data.packed_array);
int len = arr.size();
@ -2954,16 +3016,17 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
const Vector3 *r = arr.ptr();
for (int i = 0; i < len; i++) {
hash = hash_djb2_one_float(r[i].x, hash);
hash = hash_djb2_one_float(r[i].y, hash);
hash = hash_djb2_one_float(r[i].z, hash);
hash = hash_murmur3_one_real(r[i].x, hash);
hash = hash_murmur3_one_real(r[i].y, hash);
hash = hash_murmur3_one_real(r[i].z, hash);
}
hash = hash_fmix32(hash);
}
return hash;
} break;
case PACKED_COLOR_ARRAY: {
uint32_t hash = 5831;
uint32_t hash = HASH_MURMUR3_SEED;
const Vector<Color> &arr = PackedArrayRef<Color>::get_array(_data.packed_array);
int len = arr.size();
@ -2971,11 +3034,12 @@ uint32_t Variant::recursive_hash(int recursion_count) const {
const Color *r = arr.ptr();
for (int i = 0; i < len; i++) {
hash = hash_djb2_one_float(r[i].r, hash);
hash = hash_djb2_one_float(r[i].g, hash);
hash = hash_djb2_one_float(r[i].b, hash);
hash = hash_djb2_one_float(r[i].a, hash);
hash = hash_murmur3_one_float(r[i].r, hash);
hash = hash_murmur3_one_float(r[i].g, hash);
hash = hash_murmur3_one_float(r[i].b, hash);
hash = hash_murmur3_one_float(r[i].a, hash);
}
hash = hash_fmix32(hash);
}
return hash;

16
core/variant/variant_call.cpp
View File

@ -1170,19 +1170,19 @@ uint32_t Variant::get_builtin_method_hash(Variant::Type p_type, const StringName
ERR_FAIL_INDEX_V(p_type, Variant::VARIANT_MAX, 0);
const VariantBuiltInMethodInfo *method = builtin_method_info[p_type].lookup_ptr(p_method);
ERR_FAIL_COND_V(!method, 0);
uint32_t hash = hash_djb2_one_32(method->is_const);
hash = hash_djb2_one_32(method->is_static, hash);
hash = hash_djb2_one_32(method->is_vararg, hash);
hash = hash_djb2_one_32(method->has_return_type, hash);
uint32_t hash = hash_murmur3_one_32(method->is_const);
hash = hash_murmur3_one_32(method->is_static, hash);
hash = hash_murmur3_one_32(method->is_vararg, hash);
hash = hash_murmur3_one_32(method->has_return_type, hash);
if (method->has_return_type) {
hash = hash_djb2_one_32(method->return_type, hash);
hash = hash_murmur3_one_32(method->return_type, hash);
}
hash = hash_djb2_one_32(method->argument_count, hash);
hash = hash_murmur3_one_32(method->argument_count, hash);
for (int i = 0; i < method->argument_count; i++) {
hash = method->get_argument_type(i);
hash = hash_murmur3_one_32(method->get_argument_type(i), hash);
}
return hash;
return hash_fmix32(hash);
}
void Variant::get_method_list(List<MethodInfo> *p_list) const {

12
core/variant/variant_utility.cpp
View File

@ -1423,17 +1423,17 @@ uint32_t Variant::get_utility_function_hash(const StringName &p_name) {
const VariantUtilityFunctionInfo *bfi = utility_function_table.lookup_ptr(p_name);
ERR_FAIL_COND_V(!bfi, 0);
uint32_t hash = hash_djb2_one_32(bfi->is_vararg);
hash = hash_djb2_one_32(bfi->returns_value, hash);
uint32_t hash = hash_murmur3_one_32(bfi->is_vararg);
hash = hash_murmur3_one_32(bfi->returns_value, hash);
if (bfi->returns_value) {
hash = hash_djb2_one_32(bfi->return_type, hash);
hash = hash_murmur3_one_32(bfi->return_type, hash);
}
hash = hash_djb2_one_32(bfi->argcount, hash);
hash = hash_murmur3_one_32(bfi->argcount, hash);
for (int i = 0; i < bfi->argcount; i++) {
hash = hash_djb2_one_32(bfi->get_arg_type(i), hash);
hash = hash_murmur3_one_32(bfi->get_arg_type(i), hash);
}
return hash;
return hash_fmix32(hash);
}
void Variant::get_utility_function_list(List<StringName> *r_functions) {

14
drivers/vulkan/rendering_device_vulkan.h
View File

@ -457,17 +457,17 @@ class RenderingDeviceVulkan : public RenderingDevice {
uint32_t hash() const {
int vdc = vertex_formats.size();
uint32_t h = hash_djb2_one_32(vdc);
uint32_t h = hash_murmur3_one_32(vdc);
const VertexAttribute *ptr = vertex_formats.ptr();
for (int i = 0; i < vdc; i++) {
const VertexAttribute &vd = ptr[i];
h = hash_djb2_one_32(vd.location, h);
h = hash_djb2_one_32(vd.offset, h);
h = hash_djb2_one_32(vd.format, h);
h = hash_djb2_one_32(vd.stride, h);
h = hash_djb2_one_32(vd.frequency, h);
h = hash_murmur3_one_32(vd.location, h);
h = hash_murmur3_one_32(vd.offset, h);
h = hash_murmur3_one_32(vd.format, h);
h = hash_murmur3_one_32(vd.stride, h);
h = hash_murmur3_one_32(vd.frequency, h);
}
return h;
return hash_fmix32(h);
}
};

2
editor/debugger/debug_adapter/debug_adapter_types.h
View File

@ -220,7 +220,7 @@ struct StackFrame {
int column;
static uint32_t hash(const StackFrame &p_frame) {
return hash_djb2_one_32(p_frame.id);
return hash_murmur3_one_32(p_frame.id);
}
bool operator==(const StackFrame &p_other) const {
return id == p_other.id;

2
editor/debugger/editor_debugger_node.h
View File

@ -72,7 +72,7 @@ private:
static uint32_t hash(const Breakpoint &p_val) {
uint32_t h = HashMapHasherDefault::hash(p_val.source);
return hash_djb2_one_32(p_val.line, h);
return hash_murmur3_one_32(p_val.line, h);
}
bool operator==(const Breakpoint &p_b) const {
return (line == p_b.line && source == p_b.source);

4
editor/plugins/mesh_instance_3d_editor_plugin.cpp
View File

@ -350,8 +350,8 @@ struct MeshInstance3DEditorEdgeSort {
Vector2 b;
static uint32_t hash(const MeshInstance3DEditorEdgeSort &p_edge) {
uint32_t h = hash_djb2_one_32(HashMapHasherDefault::hash(p_edge.a));
return hash_djb2_one_32(HashMapHasherDefault::hash(p_edge.b), h);
uint32_t h = hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.a));
return hash_fmix32(hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.b), h));
}
bool operator==(const MeshInstance3DEditorEdgeSort &p_b) const {

6
modules/csg/csg.h
View File

@ -130,9 +130,9 @@ struct CSGBrushOperation {
struct VertexKeyHash {
static _FORCE_INLINE_ uint32_t hash(const VertexKey &p_vk) {
uint32_t h = hash_djb2_one_32(p_vk.x);
h = hash_djb2_one_32(p_vk.y, h);
h = hash_djb2_one_32(p_vk.z, h);
uint32_t h = hash_murmur3_one_32(p_vk.x);
h = hash_murmur3_one_32(p_vk.y, h);
h = hash_murmur3_one_32(p_vk.z, h);
return h;
}
};

6
modules/csg/csg_shape.h
View File

@ -74,9 +74,9 @@ private:
struct Vector3Hasher {
_ALWAYS_INLINE_ uint32_t hash(const Vector3 &p_vec3) const {
uint32_t h = hash_djb2_one_float(p_vec3.x);
h = hash_djb2_one_float(p_vec3.y, h);
h = hash_djb2_one_float(p_vec3.z, h);
uint32_t h = hash_murmur3_one_float(p_vec3.x);
h = hash_murmur3_one_float(p_vec3.y, h);
h = hash_murmur3_one_float(p_vec3.z, h);
return h;
}
};

6
modules/gdscript/gdscript_lambda_callable.cpp
View File

@ -91,7 +91,7 @@ GDScriptLambdaCallable::GDScriptLambdaCallable(Ref<GDScript> p_script, GDScriptF
function = p_function;
captures = p_captures;
h = (uint32_t)hash_djb2_one_64((uint64_t)this);
h = (uint32_t)hash_murmur3_one_64((uint64_t)this);
}
bool GDScriptLambdaSelfCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
@ -161,7 +161,7 @@ GDScriptLambdaSelfCallable::GDScriptLambdaSelfCallable(Ref<RefCounted> p_self, G
function = p_function;
captures = p_captures;
h = (uint32_t)hash_djb2_one_64((uint64_t)this);
h = (uint32_t)hash_murmur3_one_64((uint64_t)this);
}
GDScriptLambdaSelfCallable::GDScriptLambdaSelfCallable(Object *p_self, GDScriptFunction *p_function, const Vector<Variant> &p_captures) {
@ -169,5 +169,5 @@ GDScriptLambdaSelfCallable::GDScriptLambdaSelfCallable(Object *p_self, GDScriptF
function = p_function;
captures = p_captures;
h = (uint32_t)hash_djb2_one_64((uint64_t)this);
h = (uint32_t)hash_murmur3_one_64((uint64_t)this);
}

2
modules/gdscript/gdscript_rpc_callable.cpp
View File

@ -71,7 +71,7 @@ GDScriptRPCCallable::GDScriptRPCCallable(Object *p_object, const StringName &p_m
object = p_object;
method = p_method;
h = method.hash();
h = hash_djb2_one_64(object->get_instance_id(), h);
h = hash_murmur3_one_64(object->get_instance_id(), h);
node = Object::cast_to<Node>(object);
ERR_FAIL_COND_MSG(!node, "RPC can only be defined on class that extends Node.");
}

30
modules/lightmapper_rd/lightmapper_rd.h
View File

@ -110,12 +110,12 @@ class LightmapperRD : public Lightmapper {
struct EdgeHash {
_FORCE_INLINE_ static uint32_t hash(const Edge &p_edge) {
uint32_t h = hash_djb2_one_float(p_edge.a.x);
h = hash_djb2_one_float(p_edge.a.y, h);
h = hash_djb2_one_float(p_edge.a.z, h);
h = hash_djb2_one_float(p_edge.b.x, h);
h = hash_djb2_one_float(p_edge.b.y, h);
h = hash_djb2_one_float(p_edge.b.z, h);
uint32_t h = hash_murmur3_one_float(p_edge.a.x);
h = hash_murmur3_one_float(p_edge.a.y, h);
h = hash_murmur3_one_float(p_edge.a.z, h);
h = hash_murmur3_one_float(p_edge.b.x, h);
h = hash_murmur3_one_float(p_edge.b.y, h);
h = hash_murmur3_one_float(p_edge.b.z, h);
return h;
}
};
@ -146,15 +146,15 @@ class LightmapperRD : public Lightmapper {
struct VertexHash {
_FORCE_INLINE_ static uint32_t hash(const Vertex &p_vtx) {
uint32_t h = hash_djb2_one_float(p_vtx.position[0]);
h = hash_djb2_one_float(p_vtx.position[1], h);
h = hash_djb2_one_float(p_vtx.position[2], h);
h = hash_djb2_one_float(p_vtx.uv[0], h);
h = hash_djb2_one_float(p_vtx.uv[1], h);
h = hash_djb2_one_float(p_vtx.normal_xy[0], h);
h = hash_djb2_one_float(p_vtx.normal_xy[1], h);
h = hash_djb2_one_float(p_vtx.normal_z, h);
return h;
uint32_t h = hash_murmur3_one_float(p_vtx.position[0]);
h = hash_murmur3_one_float(p_vtx.position[1], h);
h = hash_murmur3_one_float(p_vtx.position[2], h);
h = hash_murmur3_one_float(p_vtx.uv[0], h);
h = hash_murmur3_one_float(p_vtx.uv[1], h);
h = hash_murmur3_one_float(p_vtx.normal_xy[0], h);
h = hash_murmur3_one_float(p_vtx.normal_xy[1], h);
h = hash_murmur3_one_float(p_vtx.normal_z, h);
return hash_fmix32(h);
}
};

3
modules/mono/managed_callable.cpp
View File

@ -66,9 +66,8 @@ bool ManagedCallable::compare_less(const CallableCustom *p_a, const CallableCust
}
uint32_t ManagedCallable::hash() const {
// hmm
uint32_t hash = delegate_invoke->get_name().hash();
return hash_djb2_one_64(delegate_handle.handle, hash);
return hash_murmur3_one_64(delegate_handle.handle, hash);
}
String ManagedCallable::get_as_text() const {

4
modules/mono/signal_awaiter_utils.cpp
View File

@ -63,7 +63,7 @@ bool SignalAwaiterCallable::compare_less(const CallableCustom *p_a, const Callab
uint32_t SignalAwaiterCallable::hash() const {
uint32_t hash = signal.hash();
return hash_djb2_one_64(target_id, hash);
return hash_murmur3_one_64(target_id, hash);
}
String SignalAwaiterCallable::get_as_text() const {
@ -164,7 +164,7 @@ bool EventSignalCallable::compare_less(const CallableCustom *p_a, const Callable
uint32_t EventSignalCallable::hash() const {
uint32_t hash = event_signal->field->get_name().hash();
return hash_djb2_one_64(owner->get_instance_id(), hash);
return hash_murmur3_one_64(owner->get_instance_id(), hash);
}
String EventSignalCallable::get_as_text() const {

4
modules/raycast/raycast_occlusion_cull.h
View File

@ -87,8 +87,8 @@ private:
RID instance;
static uint32_t hash(const InstanceID &p_ins) {
uint32_t h = hash_djb2_one_64(p_ins.scenario.get_id());
return hash_djb2_one_64(p_ins.instance.get_id(), h);
uint32_t h = hash_murmur3_one_64(p_ins.scenario.get_id());
return hash_fmix32(hash_murmur3_one_64(p_ins.instance.get_id(), h));
}
bool operator==(const InstanceID &rhs) const {
return instance == rhs.instance && rhs.scenario == scenario;

2
scene/3d/label_3d.cpp
View File

@ -376,7 +376,7 @@ void Label3D::_generate_glyph_surfaces(const Glyph &p_glyph, Vector2 &r_offset,
} else {
mat_hash = hash_one_uint64(0);
}
mat_hash = hash_djb2_one_64(p_priority | (p_outline_size << 31), mat_hash);
mat_hash = hash_fmix32(hash_murmur3_one_64(p_priority | (p_outline_size << 31), mat_hash));
if (!surfaces.has(mat_hash)) {
SurfaceData surf;

4
scene/3d/lightmap_gi.cpp
View File

@ -665,7 +665,7 @@ void LightmapGI::_plot_triangle_into_octree(GenProbesOctree *p_cell, float p_cel
}
}
void LightmapGI::_gen_new_positions_from_octree(const GenProbesOctree *p_cell, float p_cell_size, const Vector<Vector3> &probe_positions, LocalVector<Vector3> &new_probe_positions, HashMap<Vector3i, bool, Vector3iHash> &positions_used, const AABB &p_bounds) {
void LightmapGI::_gen_new_positions_from_octree(const GenProbesOctree *p_cell, float p_cell_size, const Vector<Vector3> &probe_positions, LocalVector<Vector3> &new_probe_positions, HashMap<Vector3i, bool> &positions_used, const AABB &p_bounds) {
for (int i = 0; i < 8; i++) {
Vector3i pos = p_cell->offset;
if (i & 1) {
@ -934,7 +934,7 @@ LightmapGI::BakeError LightmapGI::bake(Node *p_from_node, String p_image_data_pa
}
LocalVector<Vector3> new_probe_positions;
HashMap<Vector3i, bool, Vector3iHash> positions_used;
HashMap<Vector3i, bool> positions_used;
for (uint32_t i = 0; i < 8; i++) { //insert bounding endpoints
Vector3i pos;
if (i & 1) {

10
scene/3d/lightmap_gi.h
View File

@ -212,16 +212,8 @@ private:
}
};
struct Vector3iHash {
_FORCE_INLINE_ static uint32_t hash(const Vector3i &p_vtx) {
uint32_t h = hash_djb2_one_32(p_vtx.x);
h = hash_djb2_one_32(p_vtx.y, h);
return hash_djb2_one_32(p_vtx.z, h);
}
};
void _plot_triangle_into_octree(GenProbesOctree *p_cell, float p_cell_size, const Vector3 *p_triangle);
void _gen_new_positions_from_octree(const GenProbesOctree *p_cell, float p_cell_size, const Vector<Vector3> &probe_positions, LocalVector<Vector3> &new_probe_positions, HashMap<Vector3i, bool, Vector3iHash> &positions_used, const AABB &p_bounds);
void _gen_new_positions_from_octree(const GenProbesOctree *p_cell, float p_cell_size, const Vector<Vector3> &probe_positions, LocalVector<Vector3> &new_probe_positions, HashMap<Vector3i, bool> &positions_used, const AABB &p_bounds);
protected:
void _validate_property(PropertyInfo &property) const override;

4
scene/animation/animation_player.h
View File

@ -155,8 +155,8 @@ private:
static uint32_t hash(const TrackNodeCacheKey &p_key) {
uint32_t h = hash_one_uint64(p_key.id);
h = hash_djb2_one_32(p_key.bone_idx, h);
return hash_djb2_one_32(p_key.blend_shape_idx, h);
h = hash_murmur3_one_32(p_key.bone_idx, h);
return hash_fmix32(hash_murmur3_one_32(p_key.blend_shape_idx, h));
}
inline bool operator==(const TrackNodeCacheKey &p_right) const {

2
scene/resources/canvas_item_material.h
View File

@ -64,7 +64,7 @@ private:
uint32_t key = 0;
static uint32_t hash(const MaterialKey &p_key) {
return hash_djb2_one_32(p_key.key);
return hash_murmur3_one_32(p_key.key);
}
bool operator==(const MaterialKey &p_key) const {
return key == p_key.key;

4
scene/resources/concave_polygon_shape_3d.h
View File

@ -43,8 +43,8 @@ class ConcavePolygonShape3D : public Shape3D {
Vector3 a;
Vector3 b;
static uint32_t hash(const DrawEdge &p_edge) {
uint32_t h = hash_djb2_one_32(HashMapHasherDefault::hash(p_edge.a));
return hash_djb2_one_32(HashMapHasherDefault::hash(p_edge.b), h);
uint32_t h = hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.a));
return hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.b), h);
}
bool operator==(const DrawEdge &p_edge) const {
return (a == p_edge.a && b == p_edge.b);

8
scene/resources/font.cpp
View File

@ -2273,7 +2273,7 @@ Size2 Font::get_string_size(const String &p_text, int p_size, HorizontalAlignmen
uint64_t hash = p_text.hash64();
if (p_alignment == HORIZONTAL_ALIGNMENT_FILL) {
hash = hash_djb2_one_64(hash_djb2_one_float(p_width), hash);
hash = hash_djb2_one_64(hash_murmur3_one_float(p_width), hash);
hash = hash_djb2_one_64(p_flags, hash);
}
hash = hash_djb2_one_64(p_size, hash);
@ -2297,7 +2297,7 @@ Size2 Font::get_multiline_string_size(const String &p_text, float p_width, int p
}
uint64_t hash = p_text.hash64();
uint64_t wrp_hash = hash_djb2_one_64(hash_djb2_one_float(p_width), hash);
uint64_t wrp_hash = hash_djb2_one_64(hash_murmur3_one_float(p_width), hash);
wrp_hash = hash_djb2_one_64(p_flags, wrp_hash);
wrp_hash = hash_djb2_one_64(p_size, wrp_hash);
@ -2335,7 +2335,7 @@ void Font::draw_string(RID p_canvas_item, const Point2 &p_pos, const String &p_t
uint64_t hash = p_text.hash64();
if (p_alignment == HORIZONTAL_ALIGNMENT_FILL) {
hash = hash_djb2_one_64(hash_djb2_one_float(p_width), hash);
hash = hash_djb2_one_64(hash_murmur3_one_float(p_width), hash);
hash = hash_djb2_one_64(p_flags, hash);
}
hash = hash_djb2_one_64(p_size, hash);
@ -2374,7 +2374,7 @@ void Font::draw_multiline_string(RID p_canvas_item, const Point2 &p_pos, const S
}
uint64_t hash = p_text.hash64();
uint64_t wrp_hash = hash_djb2_one_64(hash_djb2_one_float(p_width), hash);
uint64_t wrp_hash = hash_djb2_one_64(hash_murmur3_one_float(p_width), hash);
wrp_hash = hash_djb2_one_64(p_flags, wrp_hash);
wrp_hash = hash_djb2_one_64(p_size, wrp_hash);

2
scene/resources/material.cpp
View File

@ -2209,7 +2209,7 @@ Ref<Material> BaseMaterial3D::get_material_for_2d(bool p_shaded, bool p_transpar
if (p_fixed_size) {
hash |= 1 << 9;
}
hash = hash_djb2_one_64(p_filter, hash);
hash = hash_murmur3_one_64(p_filter, hash);
if (materials_for_2d.has(hash)) {
if (r_shader_rid) {

2
scene/resources/particles_material.h
View File

@ -110,7 +110,7 @@ private:
uint32_t key = 0;
static uint32_t hash(const MaterialKey &p_key) {
return hash_djb2_one_32(p_key.key);
return hash_murmur3_one_32(p_key.key);
}
bool operator==(const MaterialKey &p_key) const {

4
scene/resources/primitive_meshes.cpp
View File

@ -2435,7 +2435,7 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
}
if (glyphs[i].font_rid != RID()) {
uint32_t hash = hash_one_uint64(glyphs[i].font_rid.get_id());
hash = hash_djb2_one_32(glyphs[i].index, hash);
hash = hash_murmur3_one_32(glyphs[i].index, hash);
_generate_glyph_mesh_data(hash, glyphs[i]);
GlyphMeshData &gl_data = cache[hash];
@ -2494,7 +2494,7 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
}
if (glyphs[i].font_rid != RID()) {
uint32_t hash = hash_one_uint64(glyphs[i].font_rid.get_id());
hash = hash_djb2_one_32(glyphs[i].index, hash);
hash = hash_murmur3_one_32(glyphs[i].index, hash);
const GlyphMeshData &gl_data = cache[hash];

3
scene/resources/surface_tool.cpp
View File

@ -141,7 +141,8 @@ uint32_t SurfaceTool::VertexHasher::hash(const Vertex &p_vtx) {
h = hash_djb2_buffer((const uint8_t *)p_vtx.bones.ptr(), p_vtx.bones.size() * sizeof(int), h);
h = hash_djb2_buffer((const uint8_t *)p_vtx.weights.ptr(), p_vtx.weights.size() * sizeof(float), h);
h = hash_djb2_buffer((const uint8_t *)&p_vtx.custom[0], sizeof(Color) * RS::ARRAY_CUSTOM_COUNT, h);
h = hash_djb2_one_32(p_vtx.smooth_group, h);
h = hash_murmur3_one_32(p_vtx.smooth_group, h);
h = hash_fmix32(h);
return h;
}

6
servers/physics_2d/godot_area_2d.h
View File

@ -70,9 +70,9 @@ class GodotArea2D : public GodotCollisionObject2D {
static uint32_t hash(const BodyKey &p_key) {
uint32_t h = hash_one_uint64(p_key.rid.get_id());
h = hash_djb2_one_64(p_key.instance_id, h);
h = hash_djb2_one_32(p_key.area_shape, h);
return hash_djb2_one_32(p_key.body_shape, h);
h = hash_murmur3_one_64(p_key.instance_id, h);
h = hash_murmur3_one_32(p_key.area_shape, h);
return hash_fmix32(hash_murmur3_one_32(p_key.body_shape, h));
}
_FORCE_INLINE_ bool operator==(const BodyKey &p_key) const {

6
servers/physics_3d/godot_area_3d.h
View File

@ -74,9 +74,9 @@ class GodotArea3D : public GodotCollisionObject3D {
static uint32_t hash(const BodyKey &p_key) {
uint32_t h = hash_one_uint64(p_key.rid.get_id());
h = hash_djb2_one_64(p_key.instance_id, h);
h = hash_djb2_one_32(p_key.area_shape, h);
return hash_djb2_one_32(p_key.body_shape, h);
h = hash_murmur3_one_64(p_key.instance_id, h);
h = hash_murmur3_one_32(p_key.area_shape, h);
return hash_fmix32(hash_murmur3_one_32(p_key.body_shape, h));
}
_FORCE_INLINE_ bool operator==(const BodyKey &p_key) const {

18
servers/rendering/renderer_rd/uniform_set_cache_rd.h
View File

@ -57,13 +57,13 @@ class UniformSetCacheRD : public Object {
Cache *hash_table[HASH_TABLE_SIZE] = {};
static _FORCE_INLINE_ uint32_t _hash_uniform(const RD::Uniform &u, uint32_t h) {
h = hash_djb2_one_32(u.uniform_type, h);
h = hash_djb2_one_32(u.binding, h);
h = hash_murmur3_one_32(u.uniform_type, h);
h = hash_murmur3_one_32(u.binding, h);
uint32_t rsize = u.get_id_count();
for (uint32_t j = 0; j < rsize; j++) {
h = hash_djb2_one_64(u.get_id(j).get_id(), h);
h = hash_murmur3_one_64(u.get_id(j).get_id(), h);
}
return h;
return hash_fmix32(h);
}
static _FORCE_INLINE_ bool _compare_uniform(const RD::Uniform &a, const RD::Uniform &b) {
@ -154,8 +154,8 @@ class UniformSetCacheRD : public Object {
public:
template <typename... Args>
RID get_cache(RID p_shader, uint32_t p_set, Args... args) {
uint32_t h = hash_djb2_one_64(p_shader.get_id());
h = hash_djb2_one_32(p_set, h);
uint32_t h = hash_murmur3_one_64(p_shader.get_id());
h = hash_murmur3_one_32(p_set, h);
h = _hash_args(h, args...);
uint32_t table_idx = h % HASH_TABLE_SIZE;
@ -180,12 +180,14 @@ public:
template <typename... Args>
RID get_cache_vec(RID p_shader, uint32_t p_set, const Vector<RD::Uniform> &p_uniforms) {
uint32_t h = hash_djb2_one_64(p_shader.get_id());
h = hash_djb2_one_32(p_set, h);
uint32_t h = hash_murmur3_one_64(p_shader.get_id());
h = hash_murmur3_one_32(p_set, h);
for (int i = 0; i < p_uniforms.size(); i++) {
h = _hash_uniform(p_uniforms[i], h);
}
h = hash_fmix32(h);
uint32_t table_idx = h % HASH_TABLE_SIZE;
{
const Cache *c = hash_table[table_idx];