/// @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; } }