Update GLM to latest version (0.9.9.3). This includes GLM's change of matrices no longer default initializing to the identity matrix. This commit thus also includes the update of all of LearnOpenGL's code to reflect this: all matrices are now constructor-initialized to the identity matrix where relevant.

includes/glm/ext/scalar_uint_sized.hpp

@@ -0,0 +1,70 @@
+/// @ref ext_scalar_uint_sized
+/// @file glm/ext/scalar_uint_sized.hpp
+///
+/// @defgroup ext_scalar_uint_sized GLM_EXT_scalar_uint_sized
+/// @ingroup ext
+///
+/// Exposes sized unsigned integer scalar types.
+///
+/// Include <glm/ext/scalar_uint_sized.hpp> to use the features of this extension.
+///
+/// @see ext_scalar_int_sized
+
+#pragma once
+
+#include "../detail/setup.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_EXT_scalar_uint_sized extension included")
+#endif
+
+namespace glm{
+namespace detail
+{
+#	if GLM_HAS_EXTENDED_INTEGER_TYPE
+		typedef std::uint8_t		uint8;
+		typedef std::uint16_t		uint16;
+		typedef std::uint32_t		uint32;
+#	else
+		typedef unsigned char		uint8;
+		typedef unsigned short		uint16;
+		typedef unsigned int		uint32;
+#endif
+
+	template<>
+	struct is_int<uint8>
+	{
+		enum test {value = ~0};
+	};
+
+	template<>
+	struct is_int<uint16>
+	{
+		enum test {value = ~0};
+	};
+
+	template<>
+	struct is_int<uint64>
+	{
+		enum test {value = ~0};
+	};
+}//namespace detail
+
+
+	/// @addtogroup ext_scalar_uint_sized
+	/// @{
+
+	/// 8 bit unsigned integer type.
+	typedef detail::uint8		uint8;
+
+	/// 16 bit unsigned integer type.
+	typedef detail::uint16		uint16;
+
+	/// 32 bit unsigned integer type.
+	typedef detail::uint32		uint32;
+
+	/// 64 bit unsigned integer type.
+	typedef detail::uint64		uint64;
+
+	/// @}
+}//namespace glm