1 files changed, 134 insertions, 0 deletions
diff --git a/external/include/glm/gtx/hash.hpp b/external/include/glm/gtx/hash.hpp
new file mode 100644
index 0000000..2262618
--- /dev/null
+++ b/external/include/glm/gtx/hash.hpp
@@ -0,0 +1,134 @@
+/// @ref gtx_hash
+/// @file glm/gtx/hash.hpp
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_hash GLM_GTX_hash
+/// @ingroup gtx
+/// 
+/// @brief Add std::hash support for glm types
+/// 
+/// <glm/gtx/hash.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+#include <functional>
+
+#include "../vec2.hpp"
+#include "../vec3.hpp"
+#include "../vec4.hpp"
+#include "../gtc/vec1.hpp"
+
+#include "../gtc/quaternion.hpp"
+#include "../gtx/dual_quaternion.hpp"
+
+#include "../mat2x2.hpp"
+#include "../mat2x3.hpp"
+#include "../mat2x4.hpp"
+
+#include "../mat3x2.hpp"
+#include "../mat3x3.hpp"
+#include "../mat3x4.hpp"
+
+#include "../mat4x2.hpp"
+#include "../mat4x3.hpp"
+#include "../mat4x4.hpp"
+
+#if !GLM_HAS_CXX11_STL
+#	error "GLM_GTX_hash requires C++11 standard library support"
+#endif
+
+namespace std
+{
+	template <typename T, glm::precision P>
+	struct hash<glm::tvec1<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tvec1<T, P> const & v) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tvec2<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tvec2<T, P> const & v) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tvec3<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tvec3<T, P> const & v) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tvec4<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tvec4<T, P> const & v) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tquat<T,P>>
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tquat<T, P> const & q) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tdualquat<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tdualquat<T,P> const & q) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat2x2<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat2x2<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat2x3<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat2x3<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat2x4<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat2x4<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat3x2<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat3x2<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat3x3<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat3x3<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat3x4<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat3x4<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat4x2<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat4x2<T,P> const & m) const;
+	};
+	
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat4x3<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat4x3<T,P> const & m) const;
+	};
+
+	template <typename T, glm::precision P>
+	struct hash<glm::tmat4x4<T,P> >
+	{
+		GLM_FUNC_DECL size_t operator()(glm::tmat4x4<T,P> const & m) const;
+	};
+} // namespace std
+
+#include "hash.inl"