From 8df8569563fefb233135c1e0069a95ae1fbddb0d Mon Sep 17 00:00:00 2001
From: Christophe Riccio <mail@g-truc.net>
Date: Mon, 3 Oct 2011 12:39:56 +0100
Subject: [PATCH] Added () operator for swizzling

---
 glm/core/type_vec2.hpp | 6 ++++--
 glm/core/type_vec2.inl | 6 ++++++
 glm/core/type_vec3.hpp | 2 ++
 glm/core/type_vec3.inl | 6 ++++++
 glm/core/type_vec4.hpp | 2 ++
 glm/core/type_vec4.inl | 6 ++++++
 6 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/glm/core/type_vec2.hpp b/glm/core/type_vec2.hpp
index ae266e15..2cd87074 100644
--- a/glm/core/type_vec2.hpp
+++ b/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);
diff --git a/glm/core/type_vec2.inl b/glm/core/type_vec2.inl
index 28f8edbe..d3278bf2 100644
--- a/glm/core/type_vec2.inl
+++ b/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
diff --git a/glm/core/type_vec3.hpp b/glm/core/type_vec3.hpp
index 1b661ad8..2d8d2a29 100644
--- a/glm/core/type_vec3.hpp
+++ b/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;
diff --git a/glm/core/type_vec3.inl b/glm/core/type_vec3.inl
index ab308c06..0a587f24 100644
--- a/glm/core/type_vec3.inl
+++ b/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
diff --git a/glm/core/type_vec4.hpp b/glm/core/type_vec4.hpp
index 3fe2fa21..17b029a8 100644
--- a/glm/core/type_vec4.hpp
+++ b/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;
diff --git a/glm/core/type_vec4.inl b/glm/core/type_vec4.inl
index 9e5d2eea..74ad1da7 100644
--- a/glm/core/type_vec4.inl
+++ b/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