/// @ref gtx_hash | |
/// @file glm/gtx/hash.inl | |
/// | |
/// @see core (dependence) | |
/// | |
/// @defgroup gtx_hash GLM_GTX_hash | |
/// @ingroup gtx | |
/// | |
/// @brief Add std::hash support for glm types | |
/// | |
/// <glm/gtx/hash.inl> need to be included to use these functionalities. | |
namespace glm { | |
namespace detail | |
{ | |
GLM_INLINE void hash_combine(size_t &seed, size_t hash) | |
{ | |
hash += 0x9e3779b9 + (seed << 6) + (seed >> 2); | |
seed ^= hash; | |
} | |
}} | |
namespace std | |
{ | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tvec1<T, P>>::operator()(glm::tvec1<T, P> const & v) const | |
{ | |
hash<T> hasher; | |
return hasher(v.x); | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tvec2<T, P>>::operator()(glm::tvec2<T, P> const & v) const | |
{ | |
size_t seed = 0; | |
hash<T> hasher; | |
glm::detail::hash_combine(seed, hasher(v.x)); | |
glm::detail::hash_combine(seed, hasher(v.y)); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tvec3<T, P>>::operator()(glm::tvec3<T, P> const & v) const | |
{ | |
size_t seed = 0; | |
hash<T> hasher; | |
glm::detail::hash_combine(seed, hasher(v.x)); | |
glm::detail::hash_combine(seed, hasher(v.y)); | |
glm::detail::hash_combine(seed, hasher(v.z)); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tvec4<T, P>>::operator()(glm::tvec4<T, P> const & v) const | |
{ | |
size_t seed = 0; | |
hash<T> hasher; | |
glm::detail::hash_combine(seed, hasher(v.x)); | |
glm::detail::hash_combine(seed, hasher(v.y)); | |
glm::detail::hash_combine(seed, hasher(v.z)); | |
glm::detail::hash_combine(seed, hasher(v.w)); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tquat<T, P>>::operator()(glm::tquat<T,P> const & q) const | |
{ | |
size_t seed = 0; | |
hash<T> hasher; | |
glm::detail::hash_combine(seed, hasher(q.x)); | |
glm::detail::hash_combine(seed, hasher(q.y)); | |
glm::detail::hash_combine(seed, hasher(q.z)); | |
glm::detail::hash_combine(seed, hasher(q.w)); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tdualquat<T, P>>::operator()(glm::tdualquat<T, P> const & q) const | |
{ | |
size_t seed = 0; | |
hash<glm::tquat<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(q.real)); | |
glm::detail::hash_combine(seed, hasher(q.dual)); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat2x2<T, P>>::operator()(glm::tmat2x2<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec2<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat2x3<T, P>>::operator()(glm::tmat2x3<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec3<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat2x4<T, P>>::operator()(glm::tmat2x4<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec4<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat3x2<T, P>>::operator()(glm::tmat3x2<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec2<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat3x3<T, P>>::operator()(glm::tmat3x3<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec3<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat3x4<T, P>>::operator()(glm::tmat3x4<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec4<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat4x2<T,P>>::operator()(glm::tmat4x2<T,P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec2<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
glm::detail::hash_combine(seed, hasher(m[3])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat4x3<T,P>>::operator()(glm::tmat4x3<T,P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec3<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
glm::detail::hash_combine(seed, hasher(m[3])); | |
return seed; | |
} | |
template <typename T, glm::precision P> | |
GLM_FUNC_QUALIFIER size_t hash<glm::tmat4x4<T,P>>::operator()(glm::tmat4x4<T, P> const & m) const | |
{ | |
size_t seed = 0; | |
hash<glm::tvec4<T, P>> hasher; | |
glm::detail::hash_combine(seed, hasher(m[0])); | |
glm::detail::hash_combine(seed, hasher(m[1])); | |
glm::detail::hash_combine(seed, hasher(m[2])); | |
glm::detail::hash_combine(seed, hasher(m[3])); | |
return seed; | |
} | |
} |