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diff --git a/3rdparty/glm/source/glm/ext/scalar_int_sized.hpp b/3rdparty/glm/source/glm/ext/scalar_int_sized.hpp
new file mode 100644
index 0000000..8e9c511
--- /dev/null
+++ b/3rdparty/glm/source/glm/ext/scalar_int_sized.hpp
@@ -0,0 +1,70 @@
+/// @ref ext_scalar_int_sized
+/// @file glm/ext/scalar_int_sized.hpp
+///
+/// @defgroup ext_scalar_int_sized GLM_EXT_scalar_int_sized
+/// @ingroup ext
+///
+/// Exposes sized signed integer scalar types.
+///
+/// Include <glm/ext/scalar_int_sized.hpp> to use the features of this extension.
+///
+/// @see ext_scalar_uint_sized
+
+#pragma once
+
+#include "../detail/setup.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_EXT_scalar_int_sized extension included")
+#endif
+
+namespace glm{
+namespace detail
+{
+#	if GLM_HAS_EXTENDED_INTEGER_TYPE
+		typedef std::int8_t			int8;
+		typedef std::int16_t		int16;
+		typedef std::int32_t		int32;
+#	else
+		typedef signed char			int8;
+		typedef signed short		int16;
+		typedef signed int			int32;
+#endif//
+
+	template<>
+	struct is_int<int8>
+	{
+		enum test {value = ~0};
+	};
+
+	template<>
+	struct is_int<int16>
+	{
+		enum test {value = ~0};
+	};
+
+	template<>
+	struct is_int<int64>
+	{
+		enum test {value = ~0};
+	};
+}//namespace detail
+
+
+	/// @addtogroup ext_scalar_int_sized
+	/// @{
+
+	/// 8 bit signed integer type.
+	typedef detail::int8		int8;
+
+	/// 16 bit signed integer type.
+	typedef detail::int16		int16;
+
+	/// 32 bit signed integer type.
+	typedef detail::int32		int32;
+
+	/// 64 bit signed integer type.
+	typedef detail::int64		int64;
+
+	/// @}
+}//namespace glm