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diff --git a/src/glm/gtx/color_space.hpp b/src/glm/gtx/color_space.hpp
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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2007-02-22
+// Licence : This source is under MIT License
+// File    : glm/gtx/color_space.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_color_space
+#define glm_gtx_color_space
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_color_space extension included")
+#endif
+
+namespace glm{
+namespace gtx{
+namespace color_space ///< GLM_GTX_color_space extension: Related to RGB to HSV conversions and operations
+{
+	/// \addtogroup gtx_color_space
+	/// @{
+
+	//! Converts a color from HSV color space to its color in RGB color space.
+	//! From GLM_GTX_color_space extension.
+    template <typename valType> 
+	detail::tvec3<valType> rgbColor(
+		detail::tvec3<valType> const & hsvValue);
+
+	//! Converts a color from RGB color space to its color in HSV color space.
+	//! From GLM_GTX_color_space extension.
+    template <typename valType> 
+	detail::tvec3<valType> hsvColor(
+		detail::tvec3<valType> const & rgbValue);
+		
+	//! Build a saturation matrix.
+	//! From GLM_GTX_color_space extension
+    template <typename valType> 
+	detail::tmat4x4<valType> saturation(
+		valType const s);
+
+    //! Modify the saturation of a color.
+	//! From GLM_GTX_color_space extension.
+	template <typename valType> 
+	detail::tvec3<valType> saturation(
+		valType const s, 
+		detail::tvec3<valType> const & color);
+		
+	//! Modify the saturation of a color.
+	//! From GLM_GTX_color_space extension.
+    template <typename valType> 
+	detail::tvec4<valType> saturation(
+		valType const s, 
+		detail::tvec4<valType> const & color);
+		
+	//! Compute color luminosity associating ratios (0.33, 0.59, 0.11) to RGB canals.
+	//! From GLM_GTX_color_space extension.
+	template <typename valType> 
+	valType luminosity(
+		detail::tvec3<valType> const & color);
+
+	/// @}
+}//namespace color_space
+}//namespace gtx
+}//namespace glm
+
+#include "color_space.inl"
+
+namespace glm{using namespace gtx::color_space;}
+
+#endif//glm_gtx_color_space