Added () operator for swizzling

glm/core/type_vec2.hpp

@@ -185,8 +185,10 @@ namespace detail
 		GLM_FUNC_DECL tref2<T> & operator= (tref2<T> const & r);
 		GLM_FUNC_DECL tref2<T> & operator= (tvec2<T> const & v);
 
-		T& x;
-		T& y;
+		GLM_FUNC_DECL tvec2<T> operator() ();
+
+		T & x;
+		T & y;
 	};
 
 	GLM_DETAIL_IS_VECTOR(tvec2);

glm/core/type_vec2.inl

@@ -1006,5 +1006,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec2<T> tref2<T>::operator() ()
+	{
+		return tvec2<T>(this->x, this->y);
+	}
+
 }//namespace detail
 }//namespace glm

glm/core/type_vec3.hpp

@@ -198,6 +198,8 @@ namespace detail
 		GLM_FUNC_DECL tref3<T> & operator= (tref3<T> const & r);
 		GLM_FUNC_DECL tref3<T> & operator= (tvec3<T> const & v);
 
+		GLM_FUNC_DECL tvec3<T> operator() ();
+
 		T & x;
 		T & y;
 		T & z;

glm/core/type_vec3.inl

@@ -1129,5 +1129,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec3<T> tref3<T>::operator() ()
+	{
+		return tvec3<T>(this->x, this->y, this->z);
+	}
+
 }//namespace detail
 }//namespace glm

glm/core/type_vec4.hpp

@@ -230,6 +230,8 @@ namespace detail
 		GLM_FUNC_DECL tref4<T> & operator= (tref4<T> const & r);
 		GLM_FUNC_DECL tref4<T> & operator= (tvec4<T> const & v);
 
+		GLM_FUNC_DECL tvec4<T> operator() ();
+
 		T & x;
 		T & y;
 		T & z;

glm/core/type_vec4.inl

@@ -1355,5 +1355,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec4<T> tref4<T>::operator() ()
+	{
+		return tvec4<T>(this->x, this->y, this->z, this->w);
+	}
+
 }//namespace detail
 }//namespace glm